--- loncom/homework/grades.pm 2002/07/07 20:08:45 1.36 +++ loncom/homework/grades.pm 2008/03/17 20:39:50 1.515 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # The LON-CAPA Grading handler # -# $Id: grades.pm,v 1.36 2002/07/07 20:08:45 ng Exp $ +# $Id: grades.pm,v 1.515 2008/03/17 20:39:50 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -25,13 +25,6 @@ # # http://www.lon-capa.org/ # -# 2/9,2/13 Guy Albertelli -# 6/8 Gerd Kortemeyer -# 7/26 H.K. Ng -# 8/20 Gerd Kortemeyer -# Year 2002 -# June, July 2002 H.K. Ng -# package Apache::grades; use strict; @@ -39,370 +32,1396 @@ use Apache::style; use Apache::lonxml; use Apache::lonnet; use Apache::loncommon; +use Apache::lonhtmlcommon; +use Apache::lonnavmaps; use Apache::lonhomework; +use Apache::lonpickcode; +use Apache::loncoursedata; +use Apache::lonmsg(); use Apache::Constants qw(:common); +use Apache::lonlocal; +use Apache::lonenc; +use String::Similarity; +use LONCAPA; + +use POSIX qw(floor); + + + +my %perm=(); + +# These variables are used to recover from ssi errors + +my $ssi_retries = 5; +my $ssi_error; +my $ssi_error_resource; +my $ssi_error_message; + + +# Do an ssi with retries: +# While I'd love to factor out this with the vesrion in lonprintout, +# that would either require a data coupling between modules, which I refuse to perpetuate +# (there's quite enough of that already), or would require the invention of another infrastructure +# I'm not quite ready to invent (e.g. an ssi_with_retry object). +# +# At least the logic that drives this has been pulled out into loncommon. + + +# +# ssi_with_retries - Does the server side include of a resource. +# if the ssi call returns an error we'll retry it up to +# the number of times requested by the caller. +# If we still have a proble, no text is appended to the +# output and we set some global variables. +# to indicate to the caller an SSI error occured. +# All of this is supposed to deal with the issues described +# in LonCAPA BZ 5631 see: +# http://bugs.lon-capa.org/show_bug.cgi?id=5631 +# by informing the user that this happened. +# +# Parameters: +# resource - The resource to include. This is passed directly, without +# interpretation to lonnet::ssi. +# form - The form hash parameters that guide the interpretation of the resource +# +# retries - Number of retries allowed before giving up completely. +# Returns: +# On success, returns the rendered resource identified by the resource parameter. +# Side Effects: +# The following global variables can be set: +# ssi_error - If an unrecoverable error occured this becomes true. +# It is up to the caller to initialize this to false +# if desired. +# ssi_last_error_resource - If an unrecoverable error occured, this is the value +# of the resource that could not be rendered by the ssi +# call. +# ssi_last_error - The error string fetched from the ssi response +# in the event of an error. +# +sub ssi_with_retries { + my ($resource, $retries, %form) = @_; + my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form); + if ($response->is_error) { + $ssi_error = 1; + $ssi_error_resource = $resource; + $ssi_error_message = $response->code . " " . $response->message; + } + + return $content; -sub moreinfo { - my ($request,$reason) = @_; - $request->print("Unable to process request: $reason"); - if ( $Apache::grades::viewgrades eq 'F' ) { - $request->print('
'."\n"); - if ($ENV{'form.url'}) { - $request->print(''."\n"); - } - if ($ENV{'form.symb'}) { - $request->print(''."\n"); - } -# $request->print(''."\n"); - $request->print(''."\n"); - $request->print("Student:".''."
\n"); - $request->print("Domain:".''."
\n"); - $request->print(''."
\n"); - $request->print('
'); - } - return ''; } +# +# Prodcuces an ssi retry failure error message to the user: +# -sub verifyreceipt { - my $request=shift; - my $courseid=$ENV{'request.course.id'}; -# my $cdom=$ENV{"course.$courseid.domain"}; -# my $cnum=$ENV{"course.$courseid.num"}; - my $receipt=unpack("%32C*",$Apache::lonnet::perlvar{'lonHostID'}).'-'. - $ENV{'form.receipt'}; - $receipt=~s/[^\-\d]//g; - my $symb=$ENV{'form.symb'}; - unless ($symb) { - $symb=&Apache::lonnet::symbread($ENV{'form.url'}); - } - if ((&Apache::lonnet::allowed('mgr',$courseid)) && ($symb)) { - $request->print('

Verifying Submission Receipt '.$receipt.'

'); - my $matches=0; - my ($classlist) = &getclasslist('all','0'); - foreach my $student ( sort(@{ $$classlist{'all'} }) ) { - my ($uname,$udom)=split(/\:/,$student); - if ($receipt eq - &Apache::lonnet::ireceipt($uname,$udom,$courseid,$symb)) { - $request->print('Matching '.$student.'
'); - $matches++; - } - } - $request->printf('

'.$matches." match%s

",$matches <= 1 ? '' : 'es'); -# needs to print who is matched +sub ssi_print_error { + my ($r) = @_; + $r->print('

Unrecoverable network error

'); + $r->print('

Unable to perform a resource fetch from a server:
'); + $r->print("Resource: $ssi_error_resource
"); + $r->print("Error: $ssi_error_message
Try again later."); + $r->print('If errors persist, contact LonCAPA support for assistance

'); +} + +# +# --- Retrieve the parts from the metadata file.--- +sub getpartlist { + my ($symb) = @_; + + my $navmap = Apache::lonnavmaps::navmap->new(); + my $res = $navmap->getBySymb($symb); + my $partlist = $res->parts(); + my $url = $res->src(); + my @metakeys = split(/,/,&Apache::lonnet::metadata($url,'keys')); + + my @stores; + foreach my $part (@{ $partlist }) { + foreach my $key (@metakeys) { + if ($key =~ m/^stores_\Q$part\E_/) { push(@stores,$key); } + } } - return ''; + return @stores; } -sub student_gradeStatus { - my ($url,$udom,$uname) = @_; - my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url))); - my %record= &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname); - foreach my $part (&getpartlist($url)) { - my ($temp,$part,$type)=split(/_/,$part); - if ($type eq 'solved') { - my ($status,$foo)=split(/_/,$record{"resource.$part.$type"},2); - $status = 'partial' if ($foo =~ /^partially/); - $status = 'nothing' if ($status eq ''); - return $type,$status; +# --- Get the symbolic name of a problem and the url +sub get_symb { + my ($request,$silent) = @_; + (my $url=$env{'form.url'}) =~ s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--; + my $symb=($env{'form.symb'} ne '' ? $env{'form.symb'} : (&Apache::lonnet::symbread($url))); + if ($symb eq '') { + if (!$silent) { + $request->print("Unable to handle ambiguous references:$url:."); + return (); + } } - } - return ''; + &Apache::lonenc::check_decrypt(\$symb); + return ($symb); } -sub get_fullname { - my ($sname,$sdom) = @_; - my %name=&Apache::lonnet::get('environment', ['lastname','generation', - 'firstname','middlename'], - $sdom,$sname); - my $fullname; - my ($tmp) = keys(%name); - if ($tmp !~ /^(con_lost|error|no_such_host)/i) { - $fullname=$name{'lastname'}.$name{'generation'}; - if ($fullname =~ /[^\s]+/) { $fullname.=', '; } - $fullname.=$name{'firstname'}.' '.$name{'middlename'}; +#--- Format fullname, username:domain if different for display +#--- Use anywhere where the student names are listed +sub nameUserString { + my ($type,$fullname,$uname,$udom) = @_; + if ($type eq 'header') { + return ' '.&mt('Fullname').' ('.&mt('Username').')'; + } else { + return ' '.$fullname.' ('.$uname. + ($env{'user.domain'} eq $udom ? '' : ' ('.$udom.')').')'; } - return $fullname; } -sub listStudents { - my ($request) = shift; - my $cdom =$ENV{"course.$ENV{'request.course.id'}.domain"}; - my $cnum =$ENV{"course.$ENV{'request.course.id'}.num"}; - my $getsec =$ENV{'form.section'}; - my $submitonly=$ENV{'form.submitonly'}; - - $request->print(< View Submissions for a Student or a Group of StudentsResource: $ENV{'form.url'}

-
 View Options
View Problem: no - yes -   Submissions: last - all - - - - -
- - - - -ENDTABLEST - if ($ENV{'form.url'}) { - $request->print(''."\n"); - } - if ($ENV{'form.symb'}) { - $request->print(''."\n"); - } - $request->print(''."\n"); +#--- Get the partlist and the response type for a given problem. --- +#--- Indicate if a response type is coded handgraded or not. --- +sub response_type { + my ($symb) = shift; + + my $navmap = Apache::lonnavmaps::navmap->new(); + my $res = $navmap->getBySymb($symb); + my $partlist = $res->parts(); + my %vPart = + map { $_ => 1 } (&Apache::loncommon::get_env_multiple('form.vPart')); + my (%response_types,%handgrade); + foreach my $part (@{ $partlist }) { + next if (%vPart && !exists($vPart{$part})); + + my @types = $res->responseType($part); + my @ids = $res->responseIds($part); + for (my $i=0; $i < scalar(@ids); $i++) { + $response_types{$part}{$ids[$i]} = $types[$i]; + $handgrade{$part.'_'.$ids[$i]} = + &Apache::lonnet::EXT('resource.'.$part.'_'.$ids[$i]. + '.handgrade',$symb); + } + } + return ($partlist,\%handgrade,\%response_types); +} - my ($classlist) = &getclasslist($getsec,'0'); - foreach my $student ( sort(@{ $$classlist{$getsec} }) ) { - my ($sname,$sdom) = split(/:/,$student); - my ($type,$status) = &student_gradeStatus($ENV{'form.url'},$cdom,$sname); - next if ($status eq 'nothing' && $submitonly eq 'yes'); - - my $fullname = &get_fullname($sname,$sdom); - if ( $Apache::grades::viewgrades eq 'F' ) { - $request->print("\n".''. - ''."\n". - ''."\n". - ''."\n". - ''."\n"); - $request->print(''."\n"); +sub flatten_responseType { + my ($responseType) = @_; + my @part_response_id = + map { + my $part = $_; + map { + [$part,$_] + } sort(keys(%{ $responseType->{$part} })); + } sort(keys(%$responseType)); + return @part_response_id; +} + +sub get_display_part { + my ($partID,$symb)=@_; + my $display=&Apache::lonnet::EXT('resource.'.$partID.'.display',$symb); + if (defined($display) and $display ne '') { + $display.= " (id $partID)"; + } else { + $display=$partID; + } + return $display; +} - $request->print(''); - } - } - $request->print('
 Select  Username  Fullname  Domain  Grade Status 
 '.$sname.'  '.$fullname.'  '.$sdom.'  '.$status.' 
'); - $request->print(''); +#--- Show resource title +#--- and parts and response type +sub showResourceInfo { + my ($symb,$probTitle,$checkboxes) = @_; + my $col=3; + if ($checkboxes) { $col=4; } + my $result = '

'.&mt('Current Resource').': '.$probTitle.'

'."\n"; + $result .=''; + my ($partlist,$handgrade,$responseType) = &response_type($symb); + my %resptype = (); + my $hdgrade='no'; + my %partsseen; + foreach my $partID (sort keys(%$responseType)) { + foreach my $resID (sort keys(%{ $responseType->{$partID} })) { + my $handgrade=$$handgrade{$partID.'_'.$resID}; + my $responsetype = $responseType->{$partID}->{$resID}; + $hdgrade = $handgrade if ($handgrade eq 'yes'); + $result.=''; + if ($checkboxes) { + if (exists($partsseen{$partID})) { + $result.=""; + } else { + $result.=""; + } + $partsseen{$partID}=1; + } + my $display_part=&get_display_part($partID,$symb); + $result.=''. + ''; +# ''; + } + } + $result.='
 '.&mt('Part: [_1]',$display_part).' '. + $resID.''.&mt('Type: [_1]',$responsetype).'
'.&mt('Handgrade: [_1]',$handgrade).'
'."\n"; + return $result,$responseType,$hdgrade,$partlist,$handgrade; } -sub processGroup { - my ($request) = shift; - my $ctr = 0; - my @stuchecked = (ref($ENV{'form.stuinfo'}) ? @{$ENV{'form.stuinfo'}} - : ($ENV{'form.stuinfo'})); - my $total = scalar(@stuchecked)-1; - if ($stuchecked[0] eq '') { - &userError($request,'No student was selected for viewing/grading.'); - return; - } - foreach (@stuchecked) { - my ($sname,$sdom,$fullname) = split(/:/); - $ENV{'form.student'} = $sname; - $ENV{'form.fullname'} = $fullname; - &submission($request,$ctr,$total); - $ctr++; - } - return 'The End'; +sub reset_caches { + &reset_analyze_cache(); + &reset_perm(); } -sub userError { - my ($request, $reason, $step) = @_; - $request->print('

LON-CAPA User Error


'."\n"); - $request->print('Reason: '.$reason.'

'."\n"); - $request->print('Step: '.($step ne '' ? $step : 'Use your browser back button to correct') - .'

'."\n"); - return ''; +{ + my %analyze_cache; + + sub reset_analyze_cache { + undef(%analyze_cache); + } + + sub get_analyze { + my ($symb,$uname,$udom)=@_; + my $key = "$symb\0$uname\0$udom"; + return $analyze_cache{$key} if (exists($analyze_cache{$key})); + + my (undef,undef,$url)=&Apache::lonnet::decode_symb($symb); + $url=&Apache::lonnet::clutter($url); + my $subresult=&ssi_with_retries($url, $ssi_retries, + ('grade_target' => 'analyze'), + ('grade_domain' => $udom), + ('grade_symb' => $symb), + ('grade_courseid' => + $env{'request.course.id'}), + ('grade_username' => $uname)); + (undef,$subresult)=split(/_HASH_REF__/,$subresult,2); + my %analyze=&Apache::lonnet::str2hash($subresult); + return $analyze_cache{$key} = \%analyze; + } + + sub get_order { + my ($partid,$respid,$symb,$uname,$udom)=@_; + my $analyze = &get_analyze($symb,$uname,$udom); + return $analyze->{"$partid.$respid.shown"}; + } + + sub get_radiobutton_correct_foil { + my ($partid,$respid,$symb,$uname,$udom)=@_; + my $analyze = &get_analyze($symb,$uname,$udom); + foreach my $foil (@{&get_order($partid,$respid,$symb,$uname,$udom)}) { + if ($analyze->{"$partid.$respid.foil.value.$foil"} eq 'true') { + return $foil; + } + } + } } -#FIXME - needs to handle multiple matches -sub finduser { - my ($name) = @_; - my $domain = ''; - if ( $Apache::grades::viewgrades eq 'F' ) { - my ($classlist) = &getclasslist('all','0'); - foreach ( sort(@{ $$classlist{'all'} }) ) { - my ($posname,$posdomain) = split(/:/); - if ($posname =~ $name) { $name=$posname; $domain=$posdomain; last; } - } - return ($name,$domain); - } else { - return ($ENV{'user.name'},$ENV{'user.domain'}); - } +#--- Clean response type for display +#--- Currently filters option/rank/radiobutton/match/essay/Task +# response types only. +sub cleanRecord { + my ($answer,$response,$symb,$partid,$respid,$record,$order,$version, + $uname,$udom) = @_; + my $grayFont = ''; + if ($response =~ /^(option|rank)$/) { + my %answer=&Apache::lonnet::str2hash($answer); + my %grading=&Apache::lonnet::str2hash($record->{$version."resource.$partid.$respid.submissiongrading"}); + my ($toprow,$bottomrow); + foreach my $foil (@$order) { + if ($grading{$foil} == 1) { + $toprow.=''.$answer{$foil}.' '; + } else { + $toprow.=''.$answer{$foil}.' '; + } + $bottomrow.=''.$grayFont.$foil.' '; + } + return '
'. + ''.$toprow.''. + ''. + $grayFont.$bottomrow.''.'
'.&mt('Answer').'
'.$grayFont.&mt('Option ID').'
'; + } elsif ($response eq 'match') { + my %answer=&Apache::lonnet::str2hash($answer); + my %grading=&Apache::lonnet::str2hash($record->{$version."resource.$partid.$respid.submissiongrading"}); + my @items=&Apache::lonnet::str2array($record->{$version."resource.$partid.$respid.submissionitems"}); + my ($toprow,$middlerow,$bottomrow); + foreach my $foil (@$order) { + my $item=shift(@items); + if ($grading{$foil} == 1) { + $toprow.=''.$item.' '; + $middlerow.=''.$grayFont.$answer{$foil}.' '; + } else { + $toprow.=''.$item.' '; + $middlerow.=''.$grayFont.$answer{$foil}.' '; + } + $bottomrow.=''.$grayFont.$foil.' '; + } + return '
'. + ''.$toprow.''. + ''. + $middlerow.''. + ''. + $bottomrow.''.'
'.&mt('Answer').'
'.$grayFont.&mt('Item ID').'
'.$grayFont.&mt('Option ID').'
'; + } elsif ($response eq 'radiobutton') { + my %answer=&Apache::lonnet::str2hash($answer); + my ($toprow,$bottomrow); + my $correct = + &get_radiobutton_correct_foil($partid,$respid,$symb,$uname,$udom); + foreach my $foil (@$order) { + if (exists($answer{$foil})) { + if ($foil eq $correct) { + $toprow.=''.&mt('true').''; + } else { + $toprow.=''.&mt('true').''; + } + } else { + $toprow.=''.&mt('false').''; + } + $bottomrow.=''.$grayFont.$foil.' '; + } + return '
'. + ''.$toprow.''. + ''. + $grayFont.$bottomrow.''.'
'.&mt('Answer').'
'.$grayFont.&mt('Option ID').'
'; + } elsif ($response eq 'essay') { + if (! exists ($env{'form.'.$symb})) { + my (%keyhash) = &Apache::lonnet::dump('nohist_handgrade', + $env{'course.'.$env{'request.course.id'}.'.domain'}, + $env{'course.'.$env{'request.course.id'}.'.num'}); + + my $loginuser = $env{'user.name'}.':'.$env{'user.domain'}; + $env{'form.keywords'} = $keyhash{$symb.'_keywords'} ne '' ? $keyhash{$symb.'_keywords'} : ''; + $env{'form.kwclr'} = $keyhash{$loginuser.'_kwclr'} ne '' ? $keyhash{$loginuser.'_kwclr'} : 'red'; + $env{'form.kwsize'} = $keyhash{$loginuser.'_kwsize'} ne '' ? $keyhash{$loginuser.'_kwsize'} : '0'; + $env{'form.kwstyle'} = $keyhash{$loginuser.'_kwstyle'} ne '' ? $keyhash{$loginuser.'_kwstyle'} : ''; + $env{'form.'.$symb} = 1; # so that we don't have to read it from disk for multiple sub of the same prob. + } + $answer =~ s-\n-
-g; + return '

'.&keywords_highlight($answer).'
'; + } elsif ( $response eq 'organic') { + my $result='Smile representation: "'.$answer.'"'; + my $jme=$record->{$version."resource.$partid.$respid.molecule"}; + $result.=&Apache::chemresponse::jme_img($jme,$answer,400); + return $result; + } elsif ( $response eq 'Task') { + if ( $answer eq 'SUBMITTED') { + my $files = $record->{$version."resource.$respid.$partid.bridgetask.portfiles"}; + my $result = &Apache::bridgetask::file_list($files,$uname,$udom); + return $result; + } elsif ( grep(/^\Q$version\E.*?\.instance$/, keys(%{$record})) ) { + my @matches = grep(/^\Q$version\E.*?\.instance$/, + keys(%{$record})); + return join('
',($version,@matches)); + + + } else { + my $result = + '

' + .&mt('Overall result: [_1]', + $record->{$version."resource.$respid.$partid.status"}) + .'

'; + + $result .= ''; + return $result; + } + } elsif ( $response =~ m/(?:numerical|formula)/) { + $answer = + &Apache::loncommon::format_previous_attempt_value('submission', + $answer); + } + return $answer; +} + +#-- A couple of common js functions +sub commonJSfunctions { + my $request = shift; + $request->print(< + function radioSelection(radioButton) { + var selection=null; + if (radioButton.length > 1) { + for (var i=0; i 1) { + for (var i=0; i +COMMONJSFUNCTIONS } +#--- Dumps the class list with usernames,list of sections, +#--- section, ids and fullnames for each user. sub getclasslist { - my ($getsec,$hideexpired) = @_; - my ($coursedomain,$coursenum) = split(/_/,$ENV{'request.course.id'}); - my %classlist=&Apache::lonnet::dump('classlist',$coursedomain,$coursenum); - my $now = time; - my (@holdsec,@sections); - foreach my $student (keys(%classlist)) { - my ($end,$start)=split(/:/,$classlist{$student}); - # still a student? - if (($hideexpired) && ($end) && ($end < $now)) { - next; - } - my ($unam,$udom) = split(/:/,$student,2); - my $section = &Apache::lonnet::usection($udom,$unam,$ENV{'request.course.id'}); - $section = ($section ne '-1' ? $section : 'no'); - push @holdsec,$section; - push (@{ $classlist{$getsec} }, $student) if ($getsec eq 'all' || $getsec eq $section); - } - my %seen = (); - foreach my $item (@holdsec) { - push (@sections, $item) unless $seen{$item}++; - } - return (\%classlist,\@sections); + my ($getsec,$filterlist,$getgroup) = @_; + my @getsec; + my @getgroup; + my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status')); + if (!ref($getsec)) { + if ($getsec ne '' && $getsec ne 'all') { + @getsec=($getsec); + } + } else { + @getsec=@{$getsec}; + } + if (grep(/^all$/,@getsec)) { undef(@getsec); } + if (!ref($getgroup)) { + if ($getgroup ne '' && $getgroup ne 'all') { + @getgroup=($getgroup); + } + } else { + @getgroup=@{$getgroup}; + } + if (grep(/^all$/,@getgroup)) { undef(@getgroup); } + + my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist(); + # Bail out if we were unable to get the classlist + return if (! defined($classlist)); + &Apache::loncoursedata::get_group_memberships($classlist,$keylist); + # + my %sections; + my %fullnames; + foreach my $student (keys(%$classlist)) { + my $end = + $classlist->{$student}->[&Apache::loncoursedata::CL_END()]; + my $start = + $classlist->{$student}->[&Apache::loncoursedata::CL_START()]; + my $id = + $classlist->{$student}->[&Apache::loncoursedata::CL_ID()]; + my $section = + $classlist->{$student}->[&Apache::loncoursedata::CL_SECTION()]; + my $fullname = + $classlist->{$student}->[&Apache::loncoursedata::CL_FULLNAME()]; + my $status = + $classlist->{$student}->[&Apache::loncoursedata::CL_STATUS()]; + my $group = + $classlist->{$student}->[&Apache::loncoursedata::CL_GROUP()]; + # filter students according to status selected + if ($filterlist && (!($stu_status =~ /Any/))) { + if (!($stu_status =~ $status)) { + delete($classlist->{$student}); + next; + } + } + # filter students according to groups selected + my @stu_groups = split(/,/,$group); + if (@getgroup) { + my $exclude = 1; + foreach my $grp (@getgroup) { + foreach my $stu_group (@stu_groups) { + if ($stu_group eq $grp) { + $exclude = 0; + } + } + if (($grp eq 'none') && !$group) { + $exclude = 0; + } + } + if ($exclude) { + delete($classlist->{$student}); + } + } + $section = ($section ne '' ? $section : 'none'); + if (&canview($section)) { + if (!@getsec || grep(/^\Q$section\E$/,@getsec)) { + $sections{$section}++; + if ($classlist->{$student}) { + $fullnames{$student}=$fullname; + } + } else { + delete($classlist->{$student}); + } + } else { + delete($classlist->{$student}); + } + } + my %seen = (); + my @sections = sort(keys(%sections)); + return ($classlist,\@sections,\%fullnames); } -sub getpartlist { - my ($url) = @_; - my @parts =(); - my (@metakeys) = split(/,/,&Apache::lonnet::metadata($url,'keys')); - foreach my $key (@metakeys) { - if ( $key =~ m/stores_([0-9]+)_.*/) { - push(@parts,$key); +sub canmodify { + my ($sec)=@_; + if ($perm{'mgr'}) { + if (!defined($perm{'mgr_section'})) { + # can modify whole class + return 1; + } else { + if ($sec eq $perm{'mgr_section'}) { + #can modify the requested section + return 1; + } else { + # can't modify the request section + return 0; + } + } } - } - return @parts; + #can't modify + return 0; } -sub viewstudentgrade { - my ($url,$symb,$courseid,$student,@parts) = @_; - my $result =''; - my $cellclr = '"#ffffdd"'; - my ($username,$domain) = split(/:/,$student); - - my $fullname = &get_fullname($username,$domain); - my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$username); - - $result.="$username$fullname$domain\n"; - foreach my $part (@parts) { - my ($temp,$part,$type)=split(/_/,$part); - my $score=$record{"resource.$part.$type"}; - if ($type eq 'awarded' || $type eq 'tries') { - $result.=''."\n"; - } elsif ($type eq 'solved') { - my ($status,$foo)=split(/_/,$score,2); - $result.="\n"; +sub canview { + my ($sec)=@_; + if ($perm{'vgr'}) { + if (!defined($perm{'vgr_section'})) { + # can modify whole class + return 1; + } else { + if ($sec eq $perm{'vgr_section'}) { + #can modify the requested section + return 1; + } else { + # can't modify the request section + return 0; + } + } } - } - $result.=''; - return $result; + #can't modify + return 0; } -#FIXME need to look at the metadata spec on what type of data to accept and provide an -#interface based on that, also do that to above function. -sub setstudentgrade { - my ($url,$symb,$courseid,$student,@parts) = @_; - print "set student grade parts=@parts
"; - my $result =''; - my ($stuname,$domain) = split(/:/,$student); - my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$stuname); - my %newrecord; - - foreach my $part (@parts) { - my ($temp,$part,$type)=split(/_/,$part); - my $oldscore=$record{"resource.$part.$type"}; - my $newscore=$ENV{"form.GRADE.$student.$part.$type"}; - print "old=$oldscore:new=$newscore:
"; - if ($type eq 'solved') { - my $update=0; - if ($newscore eq 'nothing' ) { - if ($oldscore ne '') { - $update=1; - $newscore = ''; - } - } elsif ($oldscore !~ m/^$newscore/) { - $update=1; - $result.="Updating $stuname to $newscore
\n"; - if ($newscore eq 'correct') { $newscore = 'correct_by_override'; } - if ($newscore eq 'incorrect') { $newscore = 'incorrect_by_override'; } - if ($newscore eq 'excused') { $newscore = 'excused'; } - if ($newscore eq 'ungraded') { $newscore = 'ungraded_attempted'; } - if ($newscore eq 'partial') { $newscore = 'correct_partially_by_override'; } - } else { - #$result.="$stuname:$part:$type:unchanged $oldscore to $newscore:
\n"; - } - if ($update) { $newrecord{"resource.$part.$type"}=$newscore; } - } else { - if ($oldscore ne $newscore) { - $newrecord{"resource.$part.$type"}=$newscore; - $result.="Updating $student"."'s status for $part.$type to $newscore
\n"; - } else { - #$result.="$stuname:$part:$type:unchanged $oldscore to $newscore:
\n"; - } +#--- Retrieve the grade status of a student for all the parts +sub student_gradeStatus { + my ($symb,$udom,$uname,$partlist) = @_; + my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},$udom,$uname); + my %partstatus = (); + foreach (@$partlist) { + my ($status,undef) = split(/_/,$record{"resource.$_.solved"},2); + $status = 'nothing' if ($status eq ''); + $partstatus{$_} = $status; + my $subkey = "resource.$_.submitted_by"; + $partstatus{$subkey} = $record{$subkey} if ($record{$subkey} ne ''); } - } - if ( scalar(keys(%newrecord)) > 0 ) { - $newrecord{'resource.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}"; -# &Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$stuname); + return %partstatus; +} - $result.="Stored away ".scalar(keys(%newrecord))." elements.
\n"; - } - return $result; +# hidden form and javascript that calls the form +# Use by verifyscript and viewgrades +# Shows a student's view of problem and submission +sub jscriptNform { + my ($symb) = @_; + my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status')); + my $jscript=''."\n"; + $jscript.= ''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n"; + return $jscript; } + + +# Given the score (as a number [0-1] and the weight) what is the final +# point value? This function will round to the nearest tenth, third, +# or quarter if one of those is within the tolerance of .00001. +sub compute_points { + my ($score, $weight) = @_; + + my $tolerance = .00001; + my $points = $score * $weight; + + # Check for nearness to 1/x. + my $check_for_nearness = sub { + my ($factor) = @_; + my $num = ($points * $factor) + $tolerance; + my $floored_num = floor($num); + if ($num - $floored_num < 2 * $tolerance * $factor) { + return $floored_num / $factor; + } + return $points; + }; + + $points = $check_for_nearness->(10); + $points = $check_for_nearness->(3); + $points = $check_for_nearness->(4); + + return $points; +} + +#------------------ End of general use routines -------------------- + # -# --------------------------- show submissions of a student, option to grade -------- -sub submission { - my ($request,$counter,$total) = @_; +# Find most similar essay +# + +sub most_similar { + my ($uname,$udom,$uessay,$old_essays)=@_; + +# ignore spaces and punctuation + + $uessay=~s/\W+/ /gs; + +# ignore empty submissions (occuring when only files are sent) - if ($counter == 0) { - $request->print(<{$tkey}; + $tessay=~s/\W+/ /gs; +# String similarity gives up if not even limit + my $tsimilar=&String::Similarity::similarity($uessay,$tessay,$limit); +# Found one + if ($tsimilar>$limit) { + $limit=$tsimilar; + $sname=$tname; + $sdom=$tdom; + $scrsid=$tcrsid; + $sessay=$old_essays->{$tkey}; + } + } + if ($limit>0.6) { + return ($sname,$sdom,$scrsid,$sessay,$limit); + } else { + return ('','','','',0); + } +} + +#------------------------------------------------------------------- + +#------------------------------------ Receipt Verification Routines +# +#--- Check whether a receipt number is valid.--- +sub verifyreceipt { + my $request = shift; + + my $courseid = $env{'request.course.id'}; + my $receipt = &Apache::lonnet::recprefix($courseid).'-'. + $env{'form.receipt'}; + $receipt =~ s/[^\-\d]//g; + my ($symb) = &get_symb($request); + + my $title.= + '

'. + &mt('Verifying Submission Receipt [_1]',$receipt). + '

'."\n". + '

'.&mt('Resource: [_1]',$env{'form.probTitle'}). + '

'."\n"; + + my ($string,$contents,$matches) = ('','',0); + my (undef,undef,$fullname) = &getclasslist('all','0'); + + my $receiptparts=0; + if ($env{"course.$courseid.receiptalg"} eq 'receipt2' || + $env{"course.$courseid.receiptalg"} eq 'receipt3') { $receiptparts=1; } + my $parts=['0']; + if ($receiptparts) { ($parts)=&response_type($symb); } + + my $header = + &Apache::loncommon::start_data_table(). + &Apache::loncommon::start_data_table_header_row(). + ' '.&mt('Fullname').' '."\n". + ' '.&mt('Username').' '."\n". + ' '.&mt('Domain').' '; + if ($receiptparts) { + $header.=' '.&mt('Problem Part').' '; + } + $header.= + &Apache::loncommon::end_data_table_header_row(); + + foreach (sort + { + if (lc($$fullname{$a}) ne lc($$fullname{$b})) { + return (lc($$fullname{$a}) cmp lc($$fullname{$b})); + } + return $a cmp $b; + } (keys(%$fullname))) { + my ($uname,$udom)=split(/\:/); + foreach my $part (@$parts) { + if ($receipt eq &Apache::lonnet::ireceipt($uname,$udom,$courseid,$symb,$part)) { + $contents.= + &Apache::loncommon::start_data_table_row(). + ' '."\n". + ''.$$fullname{$_}.' '."\n". + ' '.$uname.' '. + ' '.$udom.' '; + if ($receiptparts) { + $contents.=' '.$part.' '; + } + $contents.= + &Apache::loncommon::end_data_table_row()."\n"; + + $matches++; + } + } + } + if ($matches == 0) { + $string = $title.&mt('No match found for the above receipt.'); + } else { + $string = &jscriptNform($symb).$title. + '

'. + &mt('The above receipt matches the following [numerate,_1,student].',$matches). + '

'. + $header. + $contents. + &Apache::loncommon::end_data_table()."\n"; + } + return $string.&show_grading_menu_form($symb); +} + +#--- This is called by a number of programs. +#--- Called from the Grading Menu - View/Grade an individual student +#--- Also called directly when one clicks on the subm button +# on the problem page. +sub listStudents { + my ($request) = shift; + + my ($symb) = &get_symb($request); + my $cdom = $env{"course.$env{'request.course.id'}.domain"}; + my $cnum = $env{"course.$env{'request.course.id'}.num"}; + my $getsec = $env{'form.section'} eq '' ? 'all' : $env{'form.section'}; + my $getgroup = $env{'form.group'} eq '' ? 'all' : $env{'form.group'}; + my $submitonly= $env{'form.submitonly'} eq '' ? 'all' : $env{'form.submitonly'}; + my $viewgrade = $env{'form.showgrading'} eq 'yes' ? 'View/Grade/Regrade' : 'View'; + $env{'form.probTitle'} = $env{'form.probTitle'} eq '' ? + &Apache::lonnet::gettitle($symb) : $env{'form.probTitle'}; + + my $result='

 '. + &mt($viewgrade.' Submissions for a Student or a Group of Students') + .'

'; + + my ($table,undef,$hdgrade,$partlist,$handgrade) = &showResourceInfo($symb,$env{'form.probTitle'},($env{'form.showgrading'} eq 'yes')); + + my %lt = ( 'multiple' => + "Please select a student or group of students before clicking on the Next button.", + 'single' => + "Please select the student before clicking on the Next button.", + ); + %lt = &Apache::lonlocal::texthash(%lt); + $request->print(< - function updateRadio(radioButton,formtextbox,formsel,wgt) { - var pts = formtextbox.value; - var resetbox =false; - if (isNaN(pts) || pts < 0) { - alert("A number equal or greater than 0 is expected. Entered value = "+pts); + function checkSelect(checkBox) { + var ctr=0; + var sense=""; + if (checkBox.length > 1) { + for (var i=0; i +LISTJAVASCRIPT + + &commonJSfunctions($request); + $request->print($result); + + my $checkhdgrade = ($env{'form.handgrade'} eq 'yes' && scalar(@$partlist) > 1 ) ? 'checked="checked"' : ''; + my $checklastsub = $checkhdgrade eq '' ? 'checked="checked"' : ''; + my $gradeTable='
'. + "\n".$table; + + $gradeTable .= + ' '. + &mt('View Problem Text: [_1]', + ''."\n". + ''."\n". + '').'
'."\n"; + $gradeTable .= + ' '. + &mt('View Answer: [_1]', + ''."\n". + ''."\n". + '').'
'."\n"; + + my $submission_options; + if ($env{'form.handgrade'} eq 'yes' && scalar(@$partlist) > 1) { + $submission_options.= + ''."\n"; + } + my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status')); + my $saveStatus = $stu_status eq '' ? 'Active' : $stu_status; + $env{'form.Status'} = $saveStatus; + $submission_options.= + ''."\n". + ''."\n". + ''."\n". + ''; + $gradeTable .= + ' '. + &mt('Submissions: [_1]',$submission_options).'
'."\n"; + + $gradeTable .= + ' '. + &mt('Grading Increments: [_1]', + ''); + + $gradeTable .= + &build_section_inputs(). + ''."\n". + '
'."\n". + '
'."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n"; + + if (exists($env{'form.gradingMenu'}) && exists($env{'form.Status'})) { + $gradeTable.=''."\n"; + } else { + $gradeTable.=&mt('Student Status: [_1]', + &Apache::lonhtmlcommon::StatusOptions($saveStatus,undef,1,'javascript:reLoadList(this.form);')).'
'; + } + + $gradeTable.=&mt('To '.lc($viewgrade).' a submission or a group of submissions, click on the check box(es) '. + 'next to the student\'s name(s). Then click on the Next button.').'
'."\n". + ''."\n"; + +# checkall buttons + $gradeTable.=&check_script('gradesub', 'stuinfo'); + $gradeTable.='
'."\n"; + $gradeTable.=&check_buttons(); + $gradeTable.=''; + my ($classlist, undef, $fullname) = &getclasslist($getsec,'1',$getgroup); + $gradeTable.= &Apache::loncommon::start_data_table(). + &Apache::loncommon::start_data_table_header_row(); + my $loop = 0; + while ($loop < 2) { + $gradeTable.=''.&mt('No.').''.&mt('Select').''. + ''.&nameUserString('header').' '.&mt('Section/Group').''; + if ($env{'form.showgrading'} eq 'yes' + && $submitonly ne 'queued' + && $submitonly ne 'all') { + foreach my $part (sort(@$partlist)) { + my $display_part= + &get_display_part((split(/_/,$part))[0],$symb); + $gradeTable.= + ''.&mt('Part: [_1] Status',$display_part).''; + } + } elsif ($submitonly eq 'queued') { + $gradeTable.=''.&mt('Queue Status').' '; + } + $loop++; +# $gradeTable.='' if ($loop%2 ==1); + } + $gradeTable.=&Apache::loncommon::end_data_table_header_row()."\n"; + + my $ctr = 0; + foreach my $student (sort + { + if (lc($$fullname{$a}) ne lc($$fullname{$b})) { + return (lc($$fullname{$a}) cmp lc($$fullname{$b})); + } + return $a cmp $b; + } + (keys(%$fullname))) { + my ($uname,$udom) = split(/:/,$student); + + my %status = (); + + if ($submitonly eq 'queued') { + my %queue_status = + &Apache::bridgetask::get_student_status($symb,$cdom,$cnum, + $udom,$uname); + next if (!defined($queue_status{'gradingqueue'})); + $status{'gradingqueue'} = $queue_status{'gradingqueue'}; + } + + if ($env{'form.showgrading'} eq 'yes' + && $submitonly ne 'queued' + && $submitonly ne 'all') { + (%status) =&student_gradeStatus($symb,$udom,$uname,$partlist); + my $submitted = 0; + my $graded = 0; + my $incorrect = 0; + foreach (keys(%status)) { + $submitted = 1 if ($status{$_} ne 'nothing'); + $graded = 1 if ($status{$_} =~ /^ungraded/); + $incorrect = 1 if ($status{$_} =~ /^incorrect/); + + my ($foo,$partid,$foo1) = split(/\./,$_); + if ($status{'resource.'.$partid.'.submitted_by'} ne '') { + $submitted = 0; + my ($part)=split(/\./,$partid); + $gradeTable.=''; + } + } + + next if (!$submitted && ($submitonly eq 'yes' || + $submitonly eq 'incorrect' || + $submitonly eq 'graded')); + next if (!$graded && ($submitonly eq 'graded')); + next if (!$incorrect && $submitonly eq 'incorrect'); + } + + $ctr++; + my $section = $classlist->{$student}->[&Apache::loncoursedata::CL_SECTION()]; + my $group = $classlist->{$student}->[&Apache::loncoursedata::CL_GROUP()]; + if ( $perm{'vgr'} eq 'F' ) { + if ($ctr%2 ==1) { + $gradeTable.= &Apache::loncommon::start_data_table_row(); + } + $gradeTable.=''.$ctr.' '. + ''."\n".''. + &nameUserString(undef,$$fullname{$student},$uname,$udom). + ' '.$section.($group ne '' ?'/'.$group:'').''."\n"; + + if ($env{'form.showgrading'} eq 'yes' && $submitonly ne 'all') { + foreach (sort keys(%status)) { + next if ($_ =~ /^resource.*?submitted_by$/); + $gradeTable.=' '.&mt($status{$_}).' '."\n"; + } + } +# $gradeTable.='' if ($ctr%2 ==1); + if ($ctr%2 ==0) { + $gradeTable.=&Apache::loncommon::end_data_table_row()."\n"; + } + } + } + if ($ctr%2 ==1) { + $gradeTable.='   '; + if ($env{'form.showgrading'} eq 'yes' + && $submitonly ne 'queued' + && $submitonly ne 'all') { + foreach (@$partlist) { + $gradeTable.=' '; + } + } elsif ($submitonly eq 'queued') { + $gradeTable.=' '; + } + $gradeTable.=&Apache::loncommon::end_data_table_row(); + } + + $gradeTable.=&Apache::loncommon::end_data_table()."\n". + '
'."\n"; + if ($ctr == 0) { + my $num_students=(scalar(keys(%$fullname))); + if ($num_students eq 0) { + $gradeTable='
 '.&mt('There are no students currently enrolled.').''; + } else { + my $submissions='submissions'; + if ($submitonly eq 'incorrect') { $submissions = 'incorrect submissions'; } + if ($submitonly eq 'graded' ) { $submissions = 'ungraded submissions'; } + if ($submitonly eq 'queued' ) { $submissions = 'queued submissions'; } + $gradeTable='
 '. + &mt('No '.$submissions.' found for this resource for any students. ([_1] students checked for '.$submissions.')', + $num_students). + '
'; + } + } elsif ($ctr == 1) { + $gradeTable =~ s/type="checkbox"/type="checkbox" checked="checked"/; + } + $gradeTable.=&show_grading_menu_form($symb); + $request->print($gradeTable); + return ''; +} + +#---- Called from the listStudents routine + +sub check_script { + my ($form, $type)=@_; + my $chkallscript=''."\n"; + return $chkallscript; +} + +sub check_buttons { + my $buttons.=''; + $buttons.=' '; + $buttons.=''; + $buttons.=' '; + return $buttons; +} + +# Displays the submissions for one student or a group of students +sub processGroup { + my ($request) = shift; + my $ctr = 0; + my @stuchecked = &Apache::loncommon::get_env_multiple('form.stuinfo'); + my $total = scalar(@stuchecked)-1; + + foreach my $student (@stuchecked) { + my ($uname,$udom,$fullname) = split(/:/,$student); + $env{'form.student'} = $uname; + $env{'form.userdom'} = $udom; + $env{'form.fullname'} = $fullname; + &submission($request,$ctr,$total); + $ctr++; + } + return ''; +} + +#------------------------------------------------------------------------------------ +# +#-------------------------- Next few routines handles grading by student, essentially +# handles essay response type problem/part +# +#--- Javascript to handle the submission page functionality --- +sub sub_page_js { + my $request = shift; + $request->print(< + function updateRadio(formname,id,weight) { + var gradeBox = formname["GD_BOX"+id]; + var radioButton = formname["RADVAL"+id]; + var oldpts = formname["oldpts"+id].value; + var pts = checkSolved(formname,id) == 'update' ? gradeBox.value : oldpts; + gradeBox.value = pts; + var resetbox = false; + if (isNaN(pts) || pts < 0) { + alert("A number equal or greater than 0 is expected. Entered value = "+pts); + for (var i=0; i weight) { + var resp = confirm("You entered a value ("+pts+ + ") greater than the weight for the part. Accept?"); + if (resp == false) { + gradeBox.value = oldpts; + return; + } + } + for (var i=0; i 0 && pts < wgt) { - formsel[4].selected = true; + +//=========== Check that a point is assigned for all the parts ============ + function checksubmit(formname,val,total,parttot) { + formname.gradeOpt.value = val; + if (val == "Save & Next") { + for (i=0;i<=total;i++) { + for (j=0;j +SUBJAVASCRIPT +} + +#--- javascript for essay type problem -- +sub sub_page_kw_js { + my $request = shift; + my $iconpath = $request->dir_config('lonIconsURL'); + &commonJSfunctions($request); + + my $inner_js_msg_central=< + function checkInput() { + opener.document.SCORE.msgsub.value = opener.checkEntities(document.msgcenter.msgsub.value); + var nmsg = opener.document.SCORE.savemsgN.value; + var usrctr = document.msgcenter.usrctr.value; + var newval = opener.document.SCORE["newmsg"+usrctr]; + newval.value = opener.checkEntities(document.msgcenter.newmsg.value); + + var msgchk = ""; + if (document.msgcenter.subchk.checked) { + msgchk = "msgsub,"; + } + var includemsg = 0; + for (var i=1; i<=nmsg; i++) { + var opnmsg = opener.document.SCORE["savemsg"+i]; + var frmmsg = document.msgcenter["msg"+i]; + opnmsg.value = opener.checkEntities(frmmsg.value); + var showflg = opener.document.SCORE["shownOnce"+i]; + showflg.value = "1"; + var chkbox = document.msgcenter["msgn"+i]; + if (chkbox.checked) { + msgchk += "savemsg"+i+","; + includemsg = 1; + } + } + if (document.msgcenter.newmsgchk.checked) { + msgchk += "newmsg"+usrctr; + includemsg = 1; + } + imgformname = opener.document.SCORE["mailicon"+usrctr]; + imgformname.src = "$iconpath/"+((includemsg) ? "mailto.gif" : "mailbkgrd.gif"); + var includemsg = opener.document.SCORE["includemsg"+usrctr]; + includemsg.value = msgchk; + + self.close() + } - if (pts == wgt) { - formsel[0].selected = true; + +INNERJS + + my $inner_js_highlight_central=< + function updateChoice(flag) { + opener.document.SCORE.kwclr.value = opener.radioSelection(document.hlCenter.kwdclr); + opener.document.SCORE.kwsize.value = opener.radioSelection(document.hlCenter.kwdsize); + opener.document.SCORE.kwstyle.value = opener.radioSelection(document.hlCenter.kwdstyle); + opener.document.SCORE.refresh.value = "on"; + if (opener.document.SCORE.keywords.value!=""){ + opener.document.SCORE.submit(); + } + self.close() + } + +INNERJS + + my $start_page_msg_central = + &Apache::loncommon::start_page('Message Central',$inner_js_msg_central, + {'js_ready' => 1, + 'only_body' => 1, + 'bgcolor' =>'#FFFFFF',}); + my $end_page_msg_central = + &Apache::loncommon::end_page({'js_ready' => 1}); + + + my $start_page_highlight_central = + &Apache::loncommon::start_page('Highlight Central', + $inner_js_highlight_central, + {'js_ready' => 1, + 'only_body' => 1, + 'bgcolor' =>'#FFFFFF',}); + my $end_page_highlight_central = + &Apache::loncommon::end_page({'js_ready' => 1}); + + my $docopen=&Apache::lonhtmlcommon::javascript_docopen(); + $docopen=~s/^document\.//; + $request->print(< + +//===================== Show list of keywords ==================== + function keywords(formname) { + var nret = prompt("Keywords list, separated by a space. Add/delete to list if desired.",formname.keywords.value); + if (nret==null) return; + formname.keywords.value = nret; + + if (formname.keywords.value != "") { + formname.refresh.value = "on"; + formname.submit(); } return; } - function keywords(keyform) { - var keywds = keyform.value; - var nret = prompt("Keywords list, separated by a space. Add/delete to list if desired.",keywds); - if (nret==null) return; - keyform.value = nret; +//===================== Script to view submitted by ================== + function viewSubmitter(submitter) { + document.SCORE.refresh.value = "on"; + document.SCORE.NCT.value = "1"; + document.SCORE.unamedom0.value = submitter; + document.SCORE.submit(); return; } @@ -413,115 +1432,130 @@ sub submission { else return; var cleantxt = txt.replace(new RegExp('([\\f\\n\\r\\t\\v ])+', 'g')," "); if (cleantxt=="") { - alert("Select a word or group of words from document and then click this link."); + alert("Please select a word or group of words from document and then click this link."); return; } - var nret = prompt("Add selection to keyword list?",cleantxt); + var nret = prompt("Add selection to keyword list? Edit if desired.",cleantxt); if (nret==null) return; - var curlist = document.SCORE.keywords.value; - document.SCORE.keywords.value = curlist+" "+nret; + document.SCORE.keywords.value = document.SCORE.keywords.value+" "+nret; + if (document.SCORE.keywords.value != "") { + document.SCORE.refresh.value = "on"; + document.SCORE.submit(); + } return; } //====================== Script for composing message ============== + // preload images + img1 = new Image(); + img1.src = "$iconpath/mailbkgrd.gif"; + img2 = new Image(); + img2.src = "$iconpath/mailto.gif"; + function msgCenter(msgform,usrctr,fullname) { var Nmsg = msgform.savemsgN.value; savedMsgHeader(Nmsg,usrctr,fullname); var subject = msgform.msgsub.value; - displaySubject(subject); + var msgchk = document.SCORE["includemsg"+usrctr].value; + re = /msgsub/; + var shwsel = ""; + if (re.test(msgchk)) { shwsel = "checked" } + subject = (document.SCORE.shownSub.value == 0 ? checkEntities(subject) : subject); + displaySubject(checkEntities(subject),shwsel); for (var i=1; i<=Nmsg; i++) { - var message = eval("document.SCORE.savemsg"+i+".value"); - displaySavedMsg(i,message); + var testmsg = "savemsg"+i+","; + re = new RegExp(testmsg,"g"); + shwsel = ""; + if (re.test(msgchk)) { shwsel = "checked" } + var message = document.SCORE["savemsg"+i].value; + message = (document.SCORE["shownOnce"+i].value == 0 ? checkEntities(message) : message); + displaySavedMsg(i,message,shwsel); //I do not get it. w/o checkEntities on saved messages, + //any < is already converted to <, etc. However, only once!! } - newmsg = eval("document.SCORE.newmsg"+usrctr+".value"); - newMsg(newmsg); + newmsg = document.SCORE["newmsg"+usrctr].value; + shwsel = ""; + re = /newmsg/; + if (re.test(msgchk)) { shwsel = "checked" } + newMsg(newmsg,shwsel); msgTail(); return; } -function savedMsgHeader(Nmsg,usrctr,fullname) { - var height = 30*Nmsg+250; + function checkEntities(strx) { + if (strx.length == 0) return strx; + var orgStr = ["&", "<", ">", '"']; + var newStr = ["&", "<", ">", """]; + var counter = 0; + while (counter < 4) { + strx = strReplace(strx,orgStr[counter],newStr[counter]); + counter++; + } + return strx; + } + + function strReplace(strx, orgStr, newStr) { + return strx.split(orgStr).join(newStr); + } + + function savedMsgHeader(Nmsg,usrctr,fullname) { + var height = 70*Nmsg+250; var scrollbar = "no"; if (height > 600) { height = 600; scrollbar = "yes"; } - pWin = window.open('', 'MessageCenter', 'toolbar=no,location=no,scrollbars='+scrollbar+',width=600,height='+height); - pWin.document.write(""); - pWin.document.write("Message Central"); - - pWin.document.write(" SUBJAVASCRIPT } - (my $url=$ENV{'form.url'})=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--; - if ($ENV{'form.student'} eq '') { &moreinfo($request,'Need student login id'); return ''; } - my ($uname,$udom) = &finduser($ENV{'form.student'}); - if ($uname eq '') { &moreinfo($request,'Unable to find student'); return ''; } - - my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url))); - if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; } - my $last = ($ENV{'form.lastSub'} eq 'last' ? 'last' : ''); -# -# header info - if ($counter == 0) { - $request->print('

 Submission Record

'. - ' Resource: '.$url.''); - } +sub get_increment { + my $increment = $env{'form.increment'}; + if ($increment != 1 && $increment != .5 && $increment != .25 && + $increment != .1) { + $increment = 1; + } + return $increment; +} + +#--- displays the grading box, used in essay type problem and grading by page/sequence +sub gradeBox { + my ($request,$symb,$uname,$udom,$counter,$partid,$record) = @_; + my $checkIcon = ''.&mt('Check Mark').
+	''; + my $wgt = &Apache::lonnet::EXT('resource.'.$partid.'.weight',$symb,$udom,$uname); + my $wgtmsg = ($wgt > 0) ? &mt('(problem weight)') + : ''.&mt('problem weight assigned by computer').''; + $wgt = ($wgt > 0 ? $wgt : '1'); + my $score = ($$record{'resource.'.$partid.'.awarded'} eq '' ? + '' : &compute_points($$record{'resource.'.$partid.'.awarded'},$wgt)); + my $result=''."\n"; + my $display_part= &get_display_part($partid,$symb); + my %last_resets = &get_last_resets($symb,$env{'request.course.id'}, + [$partid]); + my $aggtries = $$record{'resource.'.$partid.'.tries'}; + if ($last_resets{$partid}) { + $aggtries = &get_num_tries($record,$last_resets{$partid},$partid); + } + $result.=''; + my $ctr = 0; + my $thisweight = 0; + my $increment = &get_increment(); + + my $radio.='
'."\n"; # display radio buttons in a nice table 10 across + while ($thisweight<=$wgt) { + $radio.= '\n"; + $radio.=(($ctr+1)%10 == 0 ? '' : ''); + $thisweight += $increment; + $ctr++; + } + $radio.='
'; + + my $line.=''."\n"; + $line.='/'.$wgt.' '.$wgtmsg. + ($$record{'resource.'.$partid.'.solved'} eq 'correct_by_student' ? ' '.$checkIcon : ''). + ' '."\n"; + $line.=''."\n"; + + + $result .= + &mt('Part:[_1]Points:[_2]or[_3]',$display_part,$radio,$line); + + + $result.=''."\n"; + $result.=''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n"; + $result.=&handback_box($symb,$uname,$udom,$counter,$partid,$record); + return $result; +} + +sub handback_box { + my ($symb,$uname,$udom,$counter,$partid,$record) = @_; + my ($partlist,$handgrade,$responseType) = &response_type($symb); + my (@respids); + my @part_response_id = &flatten_responseType($responseType); + foreach my $part_response_id (@part_response_id) { + my ($part,$resp) = @{ $part_response_id }; + if ($part eq $partid) { + push(@respids,$resp); + } + } + my $result; + foreach my $respid (@respids) { + my $prefix = $counter.'_'.$partid.'_'.$respid.'_'; + my $files=&get_submitted_files($udom,$uname,$partid,$respid,$record); + next if (!@$files); + my $file_counter = 1; + foreach my $file (@$files) { + if ($file =~ /\/portfolio\//) { + my ($file_path, $file_disp) = ($file =~ m|(.+/)(.+)$|); + my ($name,$version,$ext) = &file_name_version_ext($file_disp); + $file_disp = "$name.$ext"; + $file = $file_path.$file_disp; + $result.=&mt('Return commented version of [_1] to student.', + ''.$file_disp.''); + $result.=''."\n"; + $result.='
'; + $result.='('.&mt('File will be uploaded when you click on Save & Next below.').')
'; + $file_counter++; + } + } + } + return $result; +} + +sub show_problem { + my ($request,$symb,$uname,$udom,$removeform,$viewon,$mode,$form) = @_; + my $rendered; + my %form = ((ref($form) eq 'HASH')? %{$form} : ()); + &Apache::lonxml::remember_problem_counter(); + if ($mode eq 'both' or $mode eq 'text') { + $rendered=&Apache::loncommon::get_student_view($symb,$uname,$udom, + $env{'request.course.id'}, + undef,\%form); + } + if ($removeform) { + $rendered=~s|||g; + $rendered=~s|||g; + $rendered=~s|(]*name\s*=\s*"?)(\w+)("?)|$1would_have_been_$2$3|g; + } + my $companswer; + if ($mode eq 'both' or $mode eq 'answer') { + &Apache::lonxml::restore_problem_counter(); + $companswer= + &Apache::loncommon::get_student_answers($symb,$uname,$udom, + $env{'request.course.id'}, + %form); + } + if ($removeform) { + $companswer=~s|||g; + $companswer=~s|||g; + $companswer=~s|name="submit"|name="would_have_been_submit"|g; + } + $rendered= + '
'. + &mt('View of the problem'). + '
'. + $rendered. + '
'; + $companswer= + '
'. + &mt('Correct answer'). + '
'. + $companswer. + '
'; + my $result; + if ($mode eq 'both') { + $result=$rendered.$companswer; + } elsif ($mode eq 'text') { + $result=$rendered; + } elsif ($mode eq 'answer') { + $result=$companswer; + } + $result='
'.$result.'
'; + return $result; +} + +sub files_exist { + my ($r, $symb) = @_; + my @students = &Apache::loncommon::get_env_multiple('form.stuinfo'); + + foreach my $student (@students) { + my ($uname,$udom,$fullname) = split(/:/,$student); + my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'}, + $udom,$uname); + my ($string,$timestamp)= &get_last_submission(\%record); + foreach my $submission (@$string) { + my ($partid,$respid) = + ($submission =~ /^resource\.([^\.]*)\.([^\.]*)\.submission/); + my $files=&get_submitted_files($udom,$uname,$partid,$respid, + \%record); + return 1 if (@$files); + } + } + return 0; +} + +sub download_all_link { + my ($r,$symb) = @_; + my $all_students = + join("\n", &Apache::loncommon::get_env_multiple('form.stuinfo')); + + my $parts = + join("\n",&Apache::loncommon::get_env_multiple('form.vPart')); + + my $identifier = &Apache::loncommon::get_cgi_id(); + &Apache::lonnet::appenv({'cgi.'.$identifier.'.students' => $all_students, + 'cgi.'.$identifier.'.symb' => $symb, + 'cgi.'.$identifier.'.parts' => $parts,}); + $r->print(''. + &mt('Download All Submitted Documents').''); + return +} + +sub build_section_inputs { + my $section_inputs; + if ($env{'form.section'} eq '') { + $section_inputs .= ''."\n"; + } else { + my @sections = &Apache::loncommon::get_env_multiple('form.section'); + foreach my $section (@sections) { + $section_inputs .= ''."\n"; + } + } + return $section_inputs; +} + +# --------------------------- show submissions of a student, option to grade +sub submission { + my ($request,$counter,$total) = @_; + my ($uname,$udom) = ($env{'form.student'},$env{'form.userdom'}); + $udom = ($udom eq '' ? $env{'user.domain'} : $udom); #has form.userdom changed for a student? + my $usec = &Apache::lonnet::getsection($udom,$uname,$env{'request.course.id'}); + $env{'form.fullname'} = &Apache::loncommon::plainname($uname,$udom,'lastname') if $env{'form.fullname'} eq ''; + my $symb = &get_symb($request); + if ($symb eq '') { $request->print("Unable to handle ambiguous references:."); return ''; } + + if (!&canview($usec)) { + $request->print('Unable to view requested student.('. + $uname.':'.$udom.' in section '.$usec.' in course id '. + $env{'request.course.id'}.')'); + $request->print(&show_grading_menu_form($symb)); + return; + } + + if (!$env{'form.lastSub'}) { $env{'form.lastSub'} = 'datesub'; } + if (!$env{'form.vProb'}) { $env{'form.vProb'} = 'yes'; } + if (!$env{'form.vAns'}) { $env{'form.vAns'} = 'yes'; } + my $last = ($env{'form.lastSub'} eq 'last' ? 'last' : ''); + my $checkIcon = ''.&mt('Check Mark').
+	''; + + my %old_essays; + # header info + if ($counter == 0) { + &sub_page_js($request); + &sub_page_kw_js($request) if ($env{'form.handgrade'} eq 'yes'); + $env{'form.probTitle'} = $env{'form.probTitle'} eq '' ? + &Apache::lonnet::gettitle($symb) : $env{'form.probTitle'}; + if ($env{'form.handgrade'} eq 'yes' && &files_exist($request, $symb)) { + &download_all_link($request, $symb); + } + $request->print('

 '.&mt('Submission Record').'

'."\n". + '

 '.&mt('Resource: [_1]',$env{'form.probTitle'}).'

'."\n"); + + # option to display problem, only once else it cause problems + # with the form later since the problem has a form. + if ($env{'form.vProb'} eq 'yes' or $env{'form.vAns'} eq 'yes') { + my $mode; + if ($env{'form.vProb'} eq 'yes' && $env{'form.vAns'} eq 'yes') { + $mode='both'; + } elsif ($env{'form.vProb'} eq 'yes') { + $mode='text'; + } elsif ($env{'form.vAns'} eq 'yes') { + $mode='answer'; + } + &Apache::lonxml::clear_problem_counter(); + $request->print(&show_problem($request,$symb,$uname,$udom,0,1,$mode)); + } + + # kwclr is the only variable that is guaranteed to be non blank + # if this subroutine has been called once. + my %keyhash = (); + if ($env{'form.kwclr'} eq '' && $env{'form.handgrade'} eq 'yes') { + %keyhash = &Apache::lonnet::dump('nohist_handgrade', + $env{'course.'.$env{'request.course.id'}.'.domain'}, + $env{'course.'.$env{'request.course.id'}.'.num'}); + + my $loginuser = $env{'user.name'}.':'.$env{'user.domain'}; + $env{'form.keywords'} = $keyhash{$symb.'_keywords'} ne '' ? $keyhash{$symb.'_keywords'} : ''; + $env{'form.kwclr'} = $keyhash{$loginuser.'_kwclr'} ne '' ? $keyhash{$loginuser.'_kwclr'} : 'red'; + $env{'form.kwsize'} = $keyhash{$loginuser.'_kwsize'} ne '' ? $keyhash{$loginuser.'_kwsize'} : '0'; + $env{'form.kwstyle'} = $keyhash{$loginuser.'_kwstyle'} ne '' ? $keyhash{$loginuser.'_kwstyle'} : ''; + $env{'form.msgsub'} = $keyhash{$symb.'_subject'} ne '' ? + $keyhash{$symb.'_subject'} : $env{'form.probTitle'}; + $env{'form.savemsgN'} = $keyhash{$symb.'_savemsgN'} ne '' ? $keyhash{$symb.'_savemsgN'} : '0'; + } + my $overRideScore = $env{'form.overRideScore'} eq '' ? 'no' : $env{'form.overRideScore'}; + my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status')); + $request->print('
'."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n". + &build_section_inputs(). + ''."\n". + ''."\n". + ''."\n"); + if ($env{'form.handgrade'} eq 'yes') { + $request->print(''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n"); + foreach my $partid (&Apache::loncommon::get_env_multiple('form.vPart')) { + $request->print(''."\n"); + } + } + + my ($cts,$prnmsg) = (1,''); + while ($cts <= $env{'form.savemsgN'}) { + $prnmsg.=''."\n". + ''."\n"; + $cts++; + } + $request->print($prnmsg); + + if ($env{'form.handgrade'} eq 'yes' && $env{'form.showgrading'} eq 'yes') { # -# option to display problem, only once else it cause problems with the form later since the problem has a form. - if ($ENV{'form.vProb'} eq 'yes' && $counter == 0) { - my $rendered=&Apache::loncommon::get_student_view($symb,$uname,$udom, - $ENV{'request.course.id'}); - my $companswer=&Apache::loncommon::get_student_answers($symb,$uname,$udom, - $ENV{'request.course.id'}); - my $result.='
'; - $result.='
'; - $result.='Student\'s view of the problem
'.$rendered.'
'; - $result.='Correct answer:
'.$companswer; - $result.='
'; - $result.='

'; - $request->print($result); - } +# Print out the keyword options line # -# beginning of form - if ($counter == 0) { - my %keyhash = &Apache::lonnet::get - ('nohist_handgrade',[$symb.'_keywords'], - $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}, - $ENV{'course.'.$ENV{'request.course.id'}.'.num'}); - - $request->print(''."\n". - ''."\n". - ''."\n". - ''."\n". - ''."\n". - ''."\n". - ''."\n". - ''."\n". - ''."\n". - ''."\n". - ''."\n". - ''."\n". - ''."\n". - ''."\n". - ''."\n". - ''."\n". - ''."\n". - ''."\n". - ''."\n". - ''."\n". - ''."\n"); - - if ($ENV{'form.handgrade'} eq 'yes') { - $request->print(<Keyword Options  -Keyword List    + $request->print(<Keyword Options:  +List    Paste Selection to Keyword list (requires N4+ and IE5+)    -Keyword Highlight Attribute

+ CLASS="page">Paste Selection to List    +Highlight Attribute

KEYWORDS - } - } - # -# Student info - $request->print(($counter == 0 ? '' : '


')); - my $fullname = ($ENV{'form.fullname'} ne '' ? $ENV{'form.fullname'} : &get_fullname($uname,$udom)); - my $result.=''; - if ($ENV{'form.handgrade'} eq 'yes') { - my $subonly = &get_last_submission($symb,$uname,$udom,$ENV{'request.course.id'}); - my ($classlist) = &getclasslist('all','0'); - my @collaborators; - foreach ( sort(@{ $$classlist{'all'} }) ) { - my ($sname,$sdom) = split(/:/); - push @collaborators,$sname if (grep /\b$sname(\b|\.)/i,$subonly); - } - push @collaborators,'leede','carlandmm','freyniks'; # as a test to display collaborators. - if (scalar(@collaborators) != 0) { - $result.=''."\n"; - $result.=''."\n"; - } - } - $result.='
Username: '.$uname. - 'Fullname: '.$fullname. -# ($ENV{'form.fullname'} ne '' ? $ENV{'form.fullname'} : &get_fullname($uname,$udom)). - 'Domain: '.$udom.'
Collaborators: '; - foreach (@collaborators) { - $result.=$_.' ('.&get_fullname($_,$udom).')    '; - } - $result.='
'."\n"; - $request->print($result); +# Load the other essays for similarity check # -# print student answer - $request->print(&Apache::loncommon::get_previous_attempt($symb,$uname,$udom, - $ENV{'request.course.id'},$last, - '.submission','Apache::grades::keywords_highlight')); -# -# - my $wgt = &Apache::lonnet::EXT('resource.partid.weight',$symb,$udom,$uname); - my $wgtmsg = ($wgt > 0 ? '(problem weight)' : 'problem weight assigned by computer'); - $wgt = ($wgt > 0 ? $wgt : '1'); - my %record = &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname); - my $score = ($record{'resource.0.awarded'} eq '' ? '' : $record{'resource.0.awarded'}*$wgt); - -# -# display grading options - $result=''. - ''."\n"; - $result.=''."\n". - $result.=''."\n". - $result.=''; - $result.=''."\n"; - $result.=''."\n"; +# This is where output for one specific student would start + my $add_class = ($counter%2) ? 'LC_grade_show_user_odd_row' : ''; + $request->print("\n\n". + '
'. + '
'.&nameUserString(undef,$env{'form.fullname'},$uname,$udom).'
'. + '
'."\n"); + + if ($env{'form.vProb'} eq 'all' or $env{'form.vAns'} eq 'all') { + my $mode; + if ($env{'form.vProb'} eq 'all' && $env{'form.vAns'} eq 'all') { + $mode='both'; + } elsif ($env{'form.vProb'} eq 'all' ) { + $mode='text'; + } elsif ($env{'form.vAns'} eq 'all') { + $mode='answer'; + } + &Apache::lonxml::clear_problem_counter(); + $request->print(&show_problem($request,$symb,$uname,$udom,1,1,$mode,{'request.prefix' => 'ctr'.$counter})); } - } - $result.='
Points'; - my $ctr = 0; - - $result.=''; # display radio buttons in a nice table with 10 across - while ($ctr<=$wgt) { - $result.= '\n"; - $result.=(($ctr+1)%10 == 0 ? '' : ''); - $ctr++; - } - $result.='
'.$ctr."
'; + my (undef,undef,$essayurl) = &Apache::lonnet::decode_symb($symb); + my ($adom,$aname,$apath)=($essayurl=~/^($LONCAPA::domain_re)\/($LONCAPA::username_re)\/(.*)$/); + $apath=&escape($apath); + $apath=~s/\W/\_/gs; + %old_essays=&Apache::lonnet::dump('nohist_essay_'.$apath,$adom,$aname); + } + } - $result.='
 or /'.$wgt.' '.$wgtmsg.' '; - - foreach my $part (&getpartlist($url)) { - my ($temp,$part,$type)=split(/_/,$part); - if ($type eq 'solved') { - my ($status,$foo)=split(/_/,$record{"resource.$part.$type"},2); - $status = 'partial' if ($foo =~ /partially/); - $status = 'nothing' if ($status eq ''); - $result.='  \n"; - $result.='Compose Message
'; - $request->print($result); -# -# print end of form - if ($counter == $total) { - my $endform.='
'; - my $ntstu =''."\n"; - my $nsel = ($ENV{'form.NTSTU'} ne '' ? $ENV{'form.NTSTU'} : '1'); - $ntstu =~ s/
'; - $request->print($endform); - } - return ''; + + my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},$udom,$uname); + my ($partlist,$handgrade,$responseType) = &response_type($symb); + + # Display student info + $request->print(($counter == 0 ? '' : '
')); + my $result='
'; + + $result.='
'; + $result.= &mt('Submissions'); + $result.=''."\n"; + if ($env{'form.handgrade'} eq 'no') { + $result.=''. + &mt('Part(s) graded correct by the computer is marked with a [_1] symbol.',$checkIcon)."\n"; + + } + + + + # If any part of the problem is an essay-response (handgraded), then check for collaborators + my $fullname; + my $col_fullnames = []; + if ($env{'form.handgrade'} eq 'yes') { + (my $sub_result,$fullname,$col_fullnames)= + &check_collaborators($symb,$uname,$udom,\%record,$handgrade, + $counter); + $result.=$sub_result; + } + $request->print($result."\n"); + $request->print('
'."\n"); + # print student answer/submission + # Options are (1) Handgaded submission only + # (2) Last submission, includes submission that is not handgraded + # (for multi-response type part) + # (3) Last submission plus the parts info + # (4) The whole record for this student + if ($env{'form.lastSub'} =~ /^(lastonly|hdgrade)$/) { + my ($string,$timestamp)= &get_last_submission(\%record); + + my $lastsubonly; + + if ($$timestamp eq '') { + $lastsubonly.='
'.$$string[0].'
'; + } else { + $lastsubonly = '
Date Submitted: '.$$timestamp."\n"; + + my %seenparts; + my @part_response_id = &flatten_responseType($responseType); + foreach my $part (@part_response_id) { + next if ($env{'form.lastSub'} eq 'hdgrade' + && $$handgrade{$$part[0].'_'.$$part[1]} ne 'yes'); + + my ($partid,$respid) = @{ $part }; + my $display_part=&get_display_part($partid,$symb); + if ($env{"form.$uname:$udom:$partid:submitted_by"}) { + if (exists($seenparts{$partid})) { next; } + $seenparts{$partid}=1; + my $submitby='Part: '.$display_part. + ' Collaborative submission by: '. + ''. + $$fullname{$env{"form.$uname:$udom:$partid:submitted_by"}}.'
'; + $request->print($submitby); + next; + } + my $responsetype = $responseType->{$partid}->{$respid}; + if (!exists($record{"resource.$partid.$respid.submission"})) { + $lastsubonly.="\n".'
Part: '. + $display_part.' ( ID '.$respid. + ' )   '. + ''.&mt('Nothing submitted - no attempts').'

'; + next; + } + foreach my $submission (@$string) { + my ($partid,$respid) = ($submission =~ /^resource\.([^\.]*)\.([^\.]*)\.submission/); + if (join('_',@{$part}) ne ($partid.'_'.$respid)) { next; } + my ($ressub,$subval) = split(/:/,$submission,2); + # Similarity check + my $similar=''; + if($env{'form.checkPlag'}){ + my ($oname,$odom,$ocrsid,$oessay,$osim)= + &most_similar($uname,$udom,$subval,\%old_essays); + if ($osim) { + $osim=int($osim*100.0); + my %old_course_desc = + &Apache::lonnet::coursedescription($ocrsid, + {'one_time' => 1}); + + $similar="

". + &mt('Essay is [_1]% similar to an essay by [_2] ([_3]:[_4]) in course [_5] (course id [_6]:[_7])', + $osim, + &Apache::loncommon::plainname($oname,$odom), + $oname,$odom, + $old_course_desc{'description'}, + $old_course_desc{'num'}, + $old_course_desc{'domain'}). + '

'. + &keywords_highlight($oessay). + '

'; + } + } + my $order=&get_order($partid,$respid,$symb,$uname,$udom); + if ($env{'form.lastSub'} eq 'lastonly' || + ($env{'form.lastSub'} eq 'hdgrade' && + $$handgrade{$$part[0].'_'.$$part[1]} eq 'yes')) { + my $display_part=&get_display_part($partid,$symb); + $lastsubonly.='
Part: '. + $display_part.' ( ID '.$respid. + ' )   '; + my $files=&get_submitted_files($udom,$uname,$partid,$respid,\%record); + if (@$files) { + $lastsubonly.='
'.&mt('Like all files provided by users, this file may contain virusses').'
'; + my $file_counter = 0; + foreach my $file (@$files) { + $file_counter++; + &Apache::lonnet::allowuploaded('/adm/grades',$file); + $lastsubonly.='
'.$file.''; + } + $lastsubonly.='
'; + } + $lastsubonly.=''.&mt('Submitted Answer:').' '. + &cleanRecord($subval,$responsetype,$symb,$partid, + $respid,\%record,$order); + if ($similar) {$lastsubonly.="

$similar\n";} + $lastsubonly.='
'; + } + } + } + $lastsubonly.='
'."\n"; + } + $request->print($lastsubonly); + } elsif ($env{'form.lastSub'} eq 'datesub') { + my (undef,$responseType,undef,$parts) = &showResourceInfo($symb); + $request->print(&displaySubByDates($symb,\%record,$parts,$responseType,$checkIcon,$uname,$udom)); + } elsif ($env{'form.lastSub'} =~ /^(last|all)$/) { + $request->print(&Apache::loncommon::get_previous_attempt($symb,$uname,$udom, + $env{'request.course.id'}, + $last,'.submission', + 'Apache::grades::keywords_highlight')); + } + + $request->print(''."\n"); + # return if view submission with no grading option + if ($env{'form.showgrading'} eq '' || (!&canmodify($usec))) { + my $toGrade.='  '."\n" if (&canmodify($usec)); + $toGrade.='
'."\n"; + if (($env{'form.command'} eq 'submission') || + ($env{'form.command'} eq 'processGroup' && $counter == $total)) { + $toGrade.=''.&show_grading_menu_form($symb); + } + $request->print($toGrade); + return; + } else { + $request->print(''."\n"); + } + + # essay grading message center + if ($env{'form.handgrade'} eq 'yes') { + my $result='
'; + + $result.='
'. + &mt('Send Message').'
'; + my ($lastname,$givenn) = split(/,/,$env{'form.fullname'}); + my $msgfor = $givenn.' '.$lastname; + if (scalar(@$col_fullnames) > 0) { + my $lastone = pop(@$col_fullnames); + $msgfor .= ', '.(join ', ',@$col_fullnames).' and '.$lastone.'.'; + } + $msgfor =~ s/\'/\\'/g; #' stupid emacs - no! javascript + $result.=''."\n". + ''."\n"; + $result.=' '. + &mt('Compose message to student').(scalar(@$col_fullnames) >= 1 ? 's' : '').')'. + ''."\n". + '
 ('. + &mt('Message will be sent when you click on Save & Next below.').")\n"; + $result.='
'; + $request->print($result); + } + + my %seen = (); + my @partlist; + my @gradePartRespid; + my @part_response_id = &flatten_responseType($responseType); + $request->print('
'. + + '
'. + &mt('Assign Grades').'
'. + '
'); + foreach my $part_response_id (@part_response_id) { + my ($partid,$respid) = @{ $part_response_id }; + my $part_resp = join('_',@{ $part_response_id }); + next if ($seen{$partid} > 0); + $seen{$partid}++; + next if ($$handgrade{$part_resp} ne 'yes' + && $env{'form.lastSub'} eq 'hdgrade'); + push @partlist,$partid; + push @gradePartRespid,$partid.'.'.$respid; + $request->print(&gradeBox($request,$symb,$uname,$udom,$counter,$partid,\%record)); + } + $request->print('
'); + + $request->print(''); + + $result=''."\n"; + $result.=''."\n" if ($counter == 0); + my $ctr = 0; + while ($ctr < scalar(@partlist)) { + $result.=''."\n"; + $ctr++; + } + $request->print($result.''."\n"); + +# Done with printing info for one student + + $request->print('');#LC_grade_show_user_body + $request->print('');#LC_grade_show_user + + + # print end of form + if ($counter == $total) { + my $endform='
'."\n"; + $endform.='  '."\n"; + my $ntstu =''."\n"; + my $nsel = ($env{'form.NTSTU'} ne '' ? $env{'form.NTSTU'} : '1'); + $ntstu =~ s/
'; + $endform.=&show_grading_menu_form($symb); + $request->print($endform); + } + return ''; } +sub check_collaborators { + my ($symb,$uname,$udom,$record,$handgrade,$counter) = @_; + my ($result,@col_fullnames); + my ($classlist,undef,$fullname) = &getclasslist('all','0'); + foreach my $part (keys(%$handgrade)) { + my $ncol = &Apache::lonnet::EXT('resource.'.$part. + '.maxcollaborators', + $symb,$udom,$uname); + next if ($ncol <= 0); + $part =~ s/\_/\./g; + next if ($record->{'resource.'.$part.'.collaborators'} eq ''); + my (@good_collaborators, @bad_collaborators); + foreach my $possible_collaborator + (split(/,?\s+/,$record->{'resource.'.$part.'.collaborators'})) { + $possible_collaborator =~ s/[\$\^\(\)]//g; + next if ($possible_collaborator eq ''); + my ($co_name,$co_dom) = split(/\@|:/,$possible_collaborator); + $co_dom = $udom if (! defined($co_dom) || $co_dom =~ /^domain$/i); + next if ($co_name eq $uname && $co_dom eq $udom); + # Doing this grep allows 'fuzzy' specification + my @matches = grep(/^\Q$co_name\E:\Q$co_dom\E$/i, + keys(%$classlist)); + if (! scalar(@matches)) { + push(@bad_collaborators, $possible_collaborator); + } else { + push(@good_collaborators, @matches); + } + } + if (scalar(@good_collaborators) != 0) { + $result.='
'.&mt('Collaborators: '); + foreach my $name (@good_collaborators) { + my ($lastname,$givenn) = split(/,/,$$fullname{$name}); + push(@col_fullnames, $givenn.' '.$lastname); + $result.=$fullname->{$name}.'     '; + } + $result.='
'."\n"; + my ($part)=split(/\./,$part); + $result.=''. + "\n"; + } + if (scalar(@bad_collaborators) > 0) { + $result.='
'; + $result.=&mt('This student has submitted [quant,_1,invalid collaborator]: [_2]',scalar(@bad_collaborators),join(', ',@bad_collaborators)); + $result .= '
'; + } + if (scalar(@bad_collaborators > $ncol)) { + $result .= '
'; + $result .= &mt('This student has submitted too many '. + 'collaborators. Maximum is [_1].',$ncol); + $result .= '
'; + } + } + return ($result,$fullname,\@col_fullnames); +} + +#--- Retrieve the last submission for all the parts sub get_last_submission { - my ($symb,$username,$domain,$course)=@_; - if ($symb) { - my (%returnhash)=&Apache::lonnet::restore($symb,$course,$domain,$username); - if ($returnhash{'version'}) { + my ($returnhash)=@_; + my (@string,$timestamp); + if ($$returnhash{'version'}) { my %lasthash=(); - my $version; - for ($version=1;$version<=$returnhash{'version'};$version++) { - foreach (sort(split(/\:/,$returnhash{$version.':keys'}))) { - $lasthash{$_}=$returnhash{$version.':'.$_}; - } - } - foreach ((keys %lasthash)) { - if ($_ =~ /\.submission$/) {return $lasthash{$_}} + my ($version); + for ($version=1;$version<=$$returnhash{'version'};$version++) { + foreach my $key (sort(split(/\:/, + $$returnhash{$version.':keys'}))) { + $lasthash{$key}=$$returnhash{$version.':'.$key}; + $timestamp = + scalar(localtime($$returnhash{$version.':timestamp'})); + } + } + foreach my $key (keys(%lasthash)) { + next if ($key !~ /\.submission$/); + + my ($partid,$foo) = split(/submission$/,$key); + my $draft = $lasthash{$partid.'awarddetail'} eq 'DRAFT' ? + 'Draft Copy ' : ''; + push(@string, join(':', $key, $draft.$lasthash{$key})); } - return ''; } - } + if (!@string) { + $string[0] = + 'Nothing submitted - no attempts.'; + } + return (\@string,\$timestamp); } +#--- High light keywords, with style choosen by user. sub keywords_highlight { - my $string = shift; - (my $url=$ENV{'form.url'})=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--; - my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url))); - my %keyhash = &Apache::lonnet::get - ('nohist_handgrade',[$symb.'_keywords'], - $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}, - $ENV{'course.'.$ENV{'request.course.id'}.'.num'}); - my @keylist = split(/[,\s+]/,$keyhash{$symb.'_keywords'}); - foreach my $word (@keylist) { - next if ($word eq ''); - $string =~ s/\b$word(\b|\.)/\$word\<\/font\>/gi; - } - return $string; + my $string = shift; + my $size = $env{'form.kwsize'} eq '0' ? '' : 'size='.$env{'form.kwsize'}; + my $styleon = $env{'form.kwstyle'} eq '' ? '' : $env{'form.kwstyle'}; + (my $styleoff = $styleon) =~ s/\$styleon$keyword$styleoff<\/font>/gi; + } + return $string; } +#--- Called from submission routine sub processHandGrade { - my ($request) = shift; - my $url = $ENV{'form.url'}; - my $symb = $ENV{'form.symb'}; - my $button = $ENV{'form.gradeOpt'}; - my $ngrade = $ENV{'form.NCT'}; - my $ntstu = $ENV{'form.NTSTU'}; - my $keywords= $ENV{'form.keywords'}; - my $newmsg0 = $ENV{'form.newmsg0'}; - print "newmsg0=$newmsg0
"; - my $newmsg1 = $ENV{'form.newmsg1'}; - print "newmsg1=$newmsg1
"; - my $oldmsg1 = $ENV{'form.savemsg1'}; - print "oldmsg1=$oldmsg1
"; - my $oldmsg2 = $ENV{'form.savemsg2'}; - print "oldmsg1=$oldmsg2
"; - my $oldmsg3 = $ENV{'form.savemsg3'}; - print "oldmsg1=$oldmsg3
"; - my $oldmsg4 = $ENV{'form.savemsg4'}; - print "oldmsg1=$oldmsg4
"; - my $messages = $ENV{'form.includemsg0'}; - print "messages=$messages
"; - if ($keywords ne '') { - my $crsname = $ENV{'course.'.$ENV{'request.course.id'}.'.num'}; - my $crsdom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}; -# my $putresult = &Apache::lonnet::put -# ('nohist_handgrade',{$symb.'_keywords' => $keywords}, -# $crsdom,$crsname); - } - my (@parts) = sort(&getpartlist($url)); + my ($request) = shift; + my $symb = &get_symb($request); + my (undef,undef,$url) = &Apache::lonnet::decode_symb($symb); + my $button = $env{'form.gradeOpt'}; + my $ngrade = $env{'form.NCT'}; + my $ntstu = $env{'form.NTSTU'}; + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + + if ($button eq 'Save & Next') { + my $ctr = 0; + while ($ctr < $ngrade) { + my ($uname,$udom) = split(/:/,$env{'form.unamedom'.$ctr}); + my ($errorflag,$pts,$wgt) = &saveHandGrade($request,$symb,$uname,$udom,$ctr); + if ($errorflag eq 'no_score') { + $ctr++; + next; + } + if ($errorflag eq 'not_allowed') { + $request->print("Not allowed to modify grades for $uname:$udom"); + $ctr++; + next; + } + my $includemsg = $env{'form.includemsg'.$ctr}; + my ($subject,$message,$msgstatus) = ('','',''); + my $restitle = &Apache::lonnet::gettitle($symb); + my ($feedurl,$showsymb) = + &get_feedurl_and_symb($symb,$uname,$udom); + my $messagetail; + if ($includemsg =~ /savemsg|newmsg\Q$ctr\E/) { + $subject = $env{'form.msgsub'} if ($includemsg =~ /msgsub/); + unless ($subject=~/\w/) { $subject=&mt('Grading Feedback'); } + $subject.=' ['.$restitle.']'; + my (@msgnum) = split(/,/,$includemsg); + foreach (@msgnum) { + $message.=$env{'form.'.$_} if ($_ =~ /savemsg|newmsg/ && $_ ne ''); + } + $message =&Apache::lonfeedback::clear_out_html($message); + if ($env{'form.withgrades'.$ctr}) { + $message.="\n\nPoint".($pts > 1 ? 's':'').' awarded = '.$pts.' out of '.$wgt; + $messagetail = " for $env{'form.probTitle'}"; + } + $msgstatus = + &Apache::lonmsg::user_normal_msg($uname,$udom,$subject, + $message.$messagetail, + undef,$feedurl,undef, + undef,undef,$showsymb, + $restitle); + $request->print('
'.&mt('Sending message to [_1]:[_2]',$uname,$udom).': '. + $msgstatus); + } + if ($env{'form.collaborator'.$ctr}) { + my @collabstrs=&Apache::loncommon::get_env_multiple("form.collaborator$ctr"); + foreach my $collabstr (@collabstrs) { + my ($part,@collaborators) = split(/:/,$collabstr); + foreach my $collaborator (@collaborators) { + my ($errorflag,$pts,$wgt) = + &saveHandGrade($request,$symb,$collaborator,$udom,$ctr, + $env{'form.unamedom'.$ctr},$part); + if ($errorflag eq 'not_allowed') { + $request->print("".&mt('Not allowed to modify grades for [_1]',"$collaborator:$udom").""); + next; + } elsif ($message ne '') { + my ($baseurl,$showsymb) = + &get_feedurl_and_symb($symb,$collaborator, + $udom); + if ($env{'form.withgrades'.$ctr}) { + $messagetail = " for $env{'form.probTitle'}"; + } + $msgstatus = + &Apache::lonmsg::user_normal_msg($collaborator,$udom,$subject,$message.$messagetail,undef,$baseurl,undef,undef,undef,$showsymb,$restitle); + } + } + } + } + $ctr++; + } + } - if ($button eq 'Save & Next') { - my $ctr = 0; - while ($ctr < $ENV{'form.NCT'}) { - my ($uname,$udom) = split(/:/,$ENV{'form.unamedom'.$ctr}); - &saveHandGrade($url,$symb,$uname,$udom,$ctr,@parts); - if ($ENV{'form.collaborator'.$ctr}) { - my (@collaborators) = split(/:/,$ENV{'form.collaborator'.$ctr}); - foreach (@collaborators) { - &saveHandGrade($url,$symb,$_,$udom,$ctr,@parts); - } - } - $ctr++; - } - } - my $firststu = $ENV{'form.unamedom0'}; - my $laststu = $ENV{'form.unamedom'.($ngrade-1)}; + if ($env{'form.handgrade'} eq 'yes') { + # Keywords sorted in alphabatical order + my $loginuser = $env{'user.name'}.':'.$env{'user.domain'}; + my %keyhash = (); + $env{'form.keywords'} =~ s/,\s{0,}|\s+/ /g; + $env{'form.keywords'} =~ s/^\s+|\s+$//; + my (@keywords) = sort(split(/\s+/,$env{'form.keywords'})); + $env{'form.keywords'} = join(' ',@keywords); + $keyhash{$symb.'_keywords'} = $env{'form.keywords'}; + $keyhash{$symb.'_subject'} = $env{'form.msgsub'}; + $keyhash{$loginuser.'_kwclr'} = $env{'form.kwclr'}; + $keyhash{$loginuser.'_kwsize'} = $env{'form.kwsize'}; + $keyhash{$loginuser.'_kwstyle'} = $env{'form.kwstyle'}; + + # message center - Order of message gets changed. Blank line is eliminated. + # New messages are saved in env for the next student. + # All messages are saved in nohist_handgrade.db + my ($ctr,$idx) = (1,1); + while ($ctr <= $env{'form.savemsgN'}) { + if ($env{'form.savemsg'.$ctr} ne '') { + $keyhash{$symb.'_savemsg'.$idx} = $env{'form.savemsg'.$ctr}; + $idx++; + } + $ctr++; + } + $ctr = 0; + while ($ctr < $ngrade) { + if ($env{'form.newmsg'.$ctr} ne '') { + $keyhash{$symb.'_savemsg'.$idx} = $env{'form.newmsg'.$ctr}; + $env{'form.savemsg'.$idx} = $env{'form.newmsg'.$ctr}; + $idx++; + } + $ctr++; + } + $env{'form.savemsgN'} = --$idx; + $keyhash{$symb.'_savemsgN'} = $env{'form.savemsgN'}; + my $putresult = &Apache::lonnet::put + ('nohist_handgrade',\%keyhash,$cdom,$cnum); + } + # Called by Save & Refresh from Highlight Attribute Window + my (undef,undef,$fullname) = &getclasslist($env{'form.section'},'1'); + if ($env{'form.refresh'} eq 'on') { + my ($ctr,$total) = (0,0); + while ($ctr < $ngrade) { + $total++ if $env{'form.unamedom'.$ctr} ne ''; + $ctr++; + } + $env{'form.NTSTU'}=$ngrade; + $ctr = 0; + while ($ctr < $total) { + my $processUser = $env{'form.unamedom'.$ctr}; + ($env{'form.student'},$env{'form.userdom'}) = split(/:/,$processUser); + $env{'form.fullname'} = $$fullname{$processUser}; + &submission($request,$ctr,$total-1); + $ctr++; + } + return ''; + } - my ($classlist) = &getclasslist($ENV{'form.section'},'0'); +# Go directly to grade student - from submission or link from chart page + if ($button eq 'Grade Student') { + (undef,undef,$env{'form.handgrade'},undef,undef) = &showResourceInfo($symb); + my $processUser = $env{'form.unamedom'.$env{'form.studentNo'}}; + ($env{'form.student'},$env{'form.userdom'}) = split(/:/,$processUser); + $env{'form.fullname'} = $$fullname{$processUser}; + &submission($request,0,0); + return ''; + } - my (@nextlist,@prevlist); - my ($nextflg,$prevflg,$ctr,$ctprev) = (0,0,0,0); - foreach my $student ( sort(@{ $$classlist{$ENV{'form.section'}} }) ) { - my ($uname,$udom) = split(/:/,$student); - if ($nextflg == 1 && $button =~ /Next$/) { - push @nextlist,$uname if ($ctr < $ntstu); - $ctr++; - } - $nextflg = 1 if ($student eq $laststu); - $prevflg = 1 if ($student eq $firststu); - if ($prevflg == 0 && $button eq 'Previous') { - push @prevlist,$uname; - $ctprev++; - } - } - if ($button eq 'Previous') { - if ($ctprev <= $ntstu) { - @nextlist = @prevlist; - } else { - my $idx = 0; - my $start = $ctprev - $ntstu; - while ($idx < $ntstu) { - $nextlist[$idx] = $prevlist[$start+$idx]; - $idx++; - } - } - } - $ctr = 0; - my $total = scalar(@nextlist)-1; - foreach my $student (@nextlist) { - $ENV{'form.student'} = $student; - &submission($request,$ctr,$total); - $ctr++; - } + # Get the next/previous one or group of students + my $firststu = $env{'form.unamedom0'}; + my $laststu = $env{'form.unamedom'.($ngrade-1)}; + my $ctr = 2; + while ($laststu eq '') { + $laststu = $env{'form.unamedom'.($ngrade-$ctr)}; + $ctr++; + $laststu = $firststu if ($ctr > $ngrade); + } + + my (@parsedlist,@nextlist); + my ($nextflg) = 0; + foreach (sort + { + if (lc($$fullname{$a}) ne lc($$fullname{$b})) { + return (lc($$fullname{$a}) cmp lc($$fullname{$b})); + } + return $a cmp $b; + } (keys(%$fullname))) { + if ($nextflg == 1 && $button =~ /Next$/) { + push @parsedlist,$_; + } + $nextflg = 1 if ($_ eq $laststu); + if ($button eq 'Previous') { + last if ($_ eq $firststu); + push @parsedlist,$_; + } + } + $ctr = 0; + @parsedlist = reverse @parsedlist if ($button eq 'Previous'); + my ($partlist) = &response_type($symb); + foreach my $student (@parsedlist) { + my $submitonly=$env{'form.submitonly'}; + my ($uname,$udom) = split(/:/,$student); + + if ($submitonly eq 'queued') { + my %queue_status = + &Apache::bridgetask::get_student_status($symb,$cdom,$cnum, + $udom,$uname); + next if (!defined($queue_status{'gradingqueue'})); + } + + if ($submitonly =~ /^(yes|graded|incorrect)$/) { +# my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},$udom,$uname); + my %status=&student_gradeStatus($symb,$udom,$uname,$partlist); + my $submitted = 0; + my $ungraded = 0; + my $incorrect = 0; + foreach (keys(%status)) { + $submitted = 1 if ($status{$_} ne 'nothing'); + $ungraded = 1 if ($status{$_} =~ /^ungraded/); + $incorrect = 1 if ($status{$_} =~ /^incorrect/); + my ($foo,$partid,$foo1) = split(/\./,$_); + if ($status{'resource.'.$partid.'.submitted_by'} ne '') { + $submitted = 0; + } + } + next if (!$submitted && ($submitonly eq 'yes' || + $submitonly eq 'incorrect' || + $submitonly eq 'graded')); + next if (!$ungraded && ($submitonly eq 'graded')); + next if (!$incorrect && $submitonly eq 'incorrect'); + } + push @nextlist,$student if ($ctr < $ntstu); + last if ($ctr == $ntstu); + $ctr++; + } + + $ctr = 0; + my $total = scalar(@nextlist)-1; - return 'The End'; + foreach (sort @nextlist) { + my ($uname,$udom,$submitter) = split(/:/); + $env{'form.student'} = $uname; + $env{'form.userdom'} = $udom; + $env{'form.fullname'} = $$fullname{$_}; + &submission($request,$ctr,$total); + $ctr++; + } + if ($total < 0) { + my $the_end = '

'.&mt('LON-CAPA User Message').'


'."\n"; + $the_end.=&mt('Message: No more students for this section or class.').'

'."\n"; + $the_end.=&mt('Click on the button below to return to the grading menu.').'

'."\n"; + $the_end.=&show_grading_menu_form($symb); + $request->print($the_end); + } + return ''; } +#---- Save the score and award for each student, if changed sub saveHandGrade { - my ($url,$symb,$stuname,$domain,$newflg,@parts) = @_; - my %record=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},$domain,$stuname); - my %newrecord; - - foreach my $part (@parts) { - my ($temp,$part,$type)=split(/_/,$part); - my $oldscore=$record{"resource.$part.$type"}; - my $newscore; - if ($type eq 'awarded' && $newflg >= 0) { - my $pts = ($ENV{'form.GRADE_BOX'.$newflg} ne '' ? - $ENV{'form.GRADE_BOX'.$newflg} : $ENV{'form.RADVAL'.$newflg}); - my $wgt = $ENV{'form.WGT'.$newflg}; -# my $sel = $ENV{'form.GRADE_SEL'.$newflg}; - $newscore = $pts/$wgt if ($wgt != 0); - } - if ($type eq 'solved') { - $newscore = $ENV{'form.GRADE_SEL'.$newflg} if ($newflg >= 0); - my $update=0; - if ($newscore eq 'nothing' ) { - if ($oldscore ne '') { - $update=1; - $newscore = ''; - } - } elsif ($oldscore !~ m/^$newscore/) { - $update=1; - if ($newscore eq 'correct') { $newscore = 'correct_by_override'; } - if ($newscore eq 'incorrect') { $newscore = 'incorrect_by_override'; } - if ($newscore eq 'excused') { $newscore = 'excused'; } - if ($newscore eq 'ungraded') { $newscore = 'ungraded_attempted'; } - if ($newscore eq 'partial') { $newscore = 'correct_partially_by_override'; } - } - if ($update) { $newrecord{"resource.$part.$type"}=$newscore; } - } else { - if ($oldscore ne $newscore) { - $newrecord{"resource.$part.$type"}=$newscore; - } + my ($request,$symb,$stuname,$domain,$newflg,$submitter,$part) = @_; + my @version_parts; + my $usec = &Apache::lonnet::getsection($domain,$stuname, + $env{'request.course.id'}); + if (!&canmodify($usec)) { return('not_allowed'); } + my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},$domain,$stuname); + my @parts_graded; + my %newrecord = (); + my ($pts,$wgt) = ('',''); + my %aggregate = (); + my $aggregateflag = 0; + my @parts = split(/:/,$env{'form.partlist'.$newflg}); + foreach my $new_part (@parts) { + #collaborator ($submi may vary for different parts + if ($submitter && $new_part ne $part) { next; } + my $dropMenu = $env{'form.GD_SEL'.$newflg.'_'.$new_part}; + if ($dropMenu eq 'excused') { + if ($record{'resource.'.$new_part.'.solved'} ne 'excused') { + $newrecord{'resource.'.$new_part.'.solved'} = 'excused'; + if (exists($record{'resource.'.$new_part.'.awarded'})) { + $newrecord{'resource.'.$new_part.'.awarded'} = ''; + } + $newrecord{'resource.'.$new_part.'.regrader'}="$env{'user.name'}:$env{'user.domain'}"; + } + } elsif ($dropMenu eq 'reset status' + && exists($record{'resource.'.$new_part.'.solved'})) { #don't bother if no old records -> no attempts + foreach my $key (keys (%record)) { + if ($key=~/^resource\.\Q$new_part\E\./) { $newrecord{$key} = ''; } + } + $newrecord{'resource.'.$new_part.'.regrader'}= + "$env{'user.name'}:$env{'user.domain'}"; + my $totaltries = $record{'resource.'.$part.'.tries'}; + + my %last_resets = &get_last_resets($symb,$env{'request.course.id'}, + [$new_part]); + my $aggtries =$totaltries; + if ($last_resets{$new_part}) { + $aggtries = &get_num_tries(\%record,$last_resets{$new_part}, + $new_part); + } + + my $solvedstatus = $record{'resource.'.$new_part.'.solved'}; + if ($aggtries > 0) { + &decrement_aggs($symb,$new_part,\%aggregate,$aggtries,$totaltries,$solvedstatus); + $aggregateflag = 1; + } + } elsif ($dropMenu eq '') { + $pts = ($env{'form.GD_BOX'.$newflg.'_'.$new_part} ne '' ? + $env{'form.GD_BOX'.$newflg.'_'.$new_part} : + $env{'form.RADVAL'.$newflg.'_'.$new_part}); + if ($pts eq '' && $env{'form.GD_SEL'.$newflg.'_'.$new_part} eq '') { + next; + } + $wgt = $env{'form.WGT'.$newflg.'_'.$new_part} eq '' ? 1 : + $env{'form.WGT'.$newflg.'_'.$new_part}; + my $partial= $pts/$wgt; + if ($partial eq $record{'resource.'.$new_part.'.awarded'}) { + #do not update score for part if not changed. + &handback_files($request,$symb,$stuname,$domain,$newflg,$new_part,\%newrecord); + next; + } else { + push @parts_graded, $new_part; + } + if ($record{'resource.'.$new_part.'.awarded'} ne $partial) { + $newrecord{'resource.'.$new_part.'.awarded'} = $partial; + } + my $reckey = 'resource.'.$new_part.'.solved'; + if ($partial == 0) { + if ($record{$reckey} ne 'incorrect_by_override') { + $newrecord{$reckey} = 'incorrect_by_override'; + } + } else { + if ($record{$reckey} ne 'correct_by_override') { + $newrecord{$reckey} = 'correct_by_override'; + } + } + if ($submitter && + ($record{'resource.'.$new_part.'.submitted_by'} ne $submitter)) { + $newrecord{'resource.'.$new_part.'.submitted_by'} = $submitter; + } + $newrecord{'resource.'.$new_part.'.regrader'}= + "$env{'user.name'}:$env{'user.domain'}"; + } + # unless problem has been graded, set flag to version the submitted files + unless ($record{'resource.'.$new_part.'.solved'} =~ /^correct_/ || + $record{'resource.'.$new_part.'.solved'} eq 'incorrect_by_override' || + $dropMenu eq 'reset status') + { + push (@version_parts,$new_part); + } + } + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + + if (%newrecord) { + if (@version_parts) { + my @changed_keys = &version_portfiles(\%record, \@parts_graded, + $env{'request.course.id'}, $symb, $domain, $stuname, \@version_parts); + @newrecord{@changed_keys} = @record{@changed_keys}; + foreach my $new_part (@version_parts) { + &handback_files($request,$symb,$stuname,$domain,$newflg, + $new_part,\%newrecord); + } + } + &Apache::lonnet::cstore(\%newrecord,$symb, + $env{'request.course.id'},$domain,$stuname); + &check_and_remove_from_queue(\@parts,\%record,\%newrecord,$symb, + $cdom,$cnum,$domain,$stuname); + } + if ($aggregateflag) { + &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate, + $cdom,$cnum); + } + return ('',$pts,$wgt); +} + +sub check_and_remove_from_queue { + my ($parts,$record,$newrecord,$symb,$cdom,$cnum,$domain,$stuname) = @_; + my @ungraded_parts; + foreach my $part (@{$parts}) { + if ( $record->{ 'resource.'.$part.'.awarded'} eq '' + && $record->{ 'resource.'.$part.'.solved' } ne 'excused' + && $newrecord->{'resource.'.$part.'.awarded'} eq '' + && $newrecord->{'resource.'.$part.'.solved' } ne 'excused' + ) { + push(@ungraded_parts, $part); + } + } + if ( !@ungraded_parts ) { + &Apache::bridgetask::remove_from_queue('gradingqueue',$symb,$cdom, + $cnum,$domain,$stuname); } - } - if ( scalar(keys(%newrecord)) > 0 ) { - $newrecord{'resource.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}"; -# while (my ($k,$v) = each %newrecord) { -# print "k=$k:v=$v:
\n"; -# } -# print "symb=$symb,courseid=$ENV{'request.course.id'},dom=$domain,name=$stuname
"; -# &Apache::lonnet::cstore(\%newrecord,$symb,$ENV{'request.course.id'},$domain,$stuname); - } - return ''; } -sub get_symb_and_url { - my ($request) = @_; - (my $url=$ENV{'form.url'}) =~ s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--; - my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url))); - if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; } - return ($symb,$url); +sub handback_files { + my ($request,$symb,$stuname,$domain,$newflg,$new_part,$newrecord) = @_; + my $portfolio_root = &propath($domain,$stuname).'/userfiles/portfolio'; + my ($partlist,$handgrade,$responseType) = &response_type($symb); + + my @part_response_id = &flatten_responseType($responseType); + foreach my $part_response_id (@part_response_id) { + my ($part_id,$resp_id) = @{ $part_response_id }; + my $part_resp = join('_',@{ $part_response_id }); + if (($env{'form.'.$newflg.'_'.$part_resp.'_returndoc1'}) && ($new_part == $part_id)) { + # if multiple files are uploaded names will be 'returndoc2','returndoc3' + my $file_counter = 1; + my $file_msg; + while ($env{'form.'.$newflg.'_'.$part_resp.'_returndoc'.$file_counter}) { + my $fname=$env{'form.'.$newflg.'_'.$part_resp.'_returndoc'.$file_counter.'.filename'}; + my ($directory,$answer_file) = + ($env{'form.'.$newflg.'_'.$part_resp.'_origdoc'.$file_counter} =~ /^(.*?)([^\/]*)$/); + my ($answer_name,$answer_ver,$answer_ext) = + &file_name_version_ext($answer_file); + my ($portfolio_path) = ($directory =~ /^.+$stuname\/portfolio(.*)/); + my @dir_list = &Apache::lonnet::dirlist($portfolio_path,$domain,$stuname,$portfolio_root); + my $version = &get_next_version($answer_name, $answer_ext, \@dir_list); + # fix file name + my ($save_file_name) = (($directory.$answer_name.".$version.".$answer_ext) =~ /^.+\/${stuname}\/(.*)/); + my $result=&Apache::lonnet::finishuserfileupload($stuname,$domain, + $newflg.'_'.$part_resp.'_returndoc'.$file_counter, + $save_file_name); + if ($result !~ m|^/uploaded/|) { + $request->print('An error occurred ('.$result. + ') while trying to upload '.$newflg.'_'.$part_resp.'_returndoc'.$file_counter.'
'); + } else { + # mark the file as read only + my @files = ($save_file_name); + my @what = ($symb,$env{'request.course.id'},'handback'); + &Apache::lonnet::mark_as_readonly($domain,$stuname,\@files,\@what); + if (exists($$newrecord{"resource.$new_part.$resp_id.handback"})) { + $$newrecord{"resource.$new_part.$resp_id.handback"}.=','; + } + $$newrecord{"resource.$new_part.$resp_id.handback"} .= $save_file_name; + $file_msg.= "\n".'
'.$save_file_name."
"; + + } + $request->print("
".$fname." will be the uploaded file name"); + $request->print(" ".$env{'form.'.$newflg.'_'.$part_resp.'_origdoc'.$file_counter}); + $file_counter++; + } + my $subject = "File Handed Back by Instructor "; + my $message = "A file has been returned that was originally submitted in reponse to:
"; + $message .= "".&Apache::lonnet::gettitle($symb)."
"; + $message .= ' The returned file(s) are named: '. $file_msg; + $message .= " and can be found in your portfolio space."; + my ($feedurl,$showsymb) = + &get_feedurl_and_symb($symb,$domain,$stuname); + my $restitle = &Apache::lonnet::gettitle($symb); + my $msgstatus = + &Apache::lonmsg::user_normal_msg($stuname,$domain,$subject. + ' (File Returned) ['.$restitle.']',$message,undef, + $feedurl,undef,undef,undef,$showsymb,$restitle); + } + } + return; } -sub show_grading_menu_form { - my ($symb,$url)=@_; - my $result.='
'."\n". - ''."\n". - ''."\n". - ''."\n". - ''."\n". - '
'."\n"; - return $result; -} - -sub gradingmenu { - my ($request) = @_; - my ($symb,$url)=&get_symb_and_url($request); - if (!$symb) {return '';} - my $allkeys = &Apache::lonnet::metadata($url,'keys'); - my $handgrade = ($allkeys =~ /parameter_.*?_handgrade/ ? 'yes' : 'no'); - my ($responsetype,$foo) = split(/_/,&Apache::lonnet::metadata($url,'packages')); - - my $result='

 Select a Grading Method

'; - $result.=''; - $result.=''. - ''; - $result.=''. - ''; - $result.='
Resource: '.$url.'
Type: '.$responsetype.'  Handgrade: '.$handgrade.'
'; - - $result.=&view_edit_entire_class_form($symb,$url).'
'; - $result.=&upcsvScores_form($symb,$url).'
'; - $result.=&viewGradeaStu_form($symb,$url,$responsetype,$handgrade).'
'; - $result.=&verifyReceipt_form($symb,$url); - return $result; -} - -sub view_edit_entire_class_form { - my ($symb,$url)=@_; - my $result.='
'."\n"; - $result.=''."\n"; - $result.='
'."\n"; - $result.=' View/Grade Entire Class
'."\n"; - $result.='
'."\n". - ''."\n". - ''."\n". - ''."\n"; - $result.=' Display students who has: '. - ' submitted'. - ' everybody

'; - $result.=' 
'."\n"; - $result.='
'."\n"; - $result.='
'."\n"; - return $result; +sub get_feedurl_and_symb { + my ($symb,$uname,$udom) = @_; + my (undef,undef,$url) = &Apache::lonnet::decode_symb($symb); + $url = &Apache::lonnet::clutter($url); + my $encrypturl=&Apache::lonnet::EXT('resource.0.encrypturl', + $symb,$udom,$uname); + if ($encrypturl =~ /^yes$/i) { + &Apache::lonenc::encrypted(\$url,1); + &Apache::lonenc::encrypted(\$symb,1); + } + return ($url,$symb); } -sub upcsvScores_form { - my ($symb,$url) = @_; - if (!$symb) {return '';} - my $result.='
'."\n"; - $result.=''."\n"; - $result.='
'."\n"; - $result.=' Specify a file containing the class scores for above resource
'."\n"; - my $upfile_select=&Apache::loncommon::upfile_select_html(); - $result.=< - - - -$upfile_select -
  - -ENDUPFORM - $result.='
'."\n"; - $result.='
'."\n"; - return $result; -} - -sub viewGradeaStu_form { - my ($symb,$url,$response,$handgrade) = @_; - my ($classlist,$sections) = &getclasslist('all','0'); - my $result.='
'."\n"; - $result.=''."\n"; - $result.='
'."\n"; - $result.=' View/Grade an Individual Student\'s Submission
'."\n"; - $result.='
'."\n". - ''."\n". - ''."\n". - ''."\n". - ''."\n". - ''."\n"; - - $result.=' Select section: '."\n"; - $result.='  Display students who has: '. - ' submitted'. - ' everybody
'; - $result.=' (Section "no" implies the students were not assigned a section.)
' - if (grep /no/,@$sections); - - $result.='
 '."\n". - '
'."\n"; - $result.='
'."\n"; - $result.='
'."\n"; - return $result; -} - -sub verifyReceipt_form { - my ($symb,$url) = @_; - my $cdom=$ENV{"course.$ENV{'request.course.id'}.domain"}; - my $cnum=$ENV{"course.$ENV{'request.course.id'}.num"}; - my $hostver=unpack("%32C*",$Apache::lonnet::perlvar{'lonHostID'}); - - my $result.='
'."\n"; - $result.=''."\n"; - $result.='
'."\n"; - $result.=' Verify a Submission Receipt Issued by this Server
'."\n"; - $result.='
'."\n"; - $result.=' '.$hostver.'-
'."\n"; - $result.=' '."\n"; - $result.=''."\n"; - if ($ENV{'form.url'}) { - $result.=''; - } - if ($ENV{'form.symb'}) { - $result.=''; - } - $result.='
'; - $result.='
'."\n"; - $result.='
'."\n"; - return $result; +sub get_submitted_files { + my ($udom,$uname,$partid,$respid,$record) = @_; + my @files; + if ($$record{"resource.$partid.$respid.portfiles"}) { + my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio'; + foreach my $file (split(',',$$record{"resource.$partid.$respid.portfiles"})) { + push(@files,$file_url.$file); + } + } + if ($$record{"resource.$partid.$respid.uploadedurl"}) { + push(@files,$$record{"resource.$partid.$respid.uploadedurl"}); + } + return (\@files); +} + +# ----------- Provides number of tries since last reset. +sub get_num_tries { + my ($record,$last_reset,$part) = @_; + my $timestamp = ''; + my $num_tries = 0; + if ($$record{'version'}) { + for (my $version=$$record{'version'};$version>=1;$version--) { + if (exists($$record{$version.':resource.'.$part.'.solved'})) { + $timestamp = $$record{$version.':timestamp'}; + if ($timestamp > $last_reset) { + $num_tries ++; + } else { + last; + } + } + } + } + return $num_tries; +} + +# ----------- Determine decrements required in aggregate totals +sub decrement_aggs { + my ($symb,$part,$aggregate,$aggtries,$totaltries,$solvedstatus) = @_; + my %decrement = ( + attempts => 0, + users => 0, + correct => 0 + ); + $decrement{'attempts'} = $aggtries; + if ($solvedstatus =~ /^correct/) { + $decrement{'correct'} = 1; + } + if ($aggtries == $totaltries) { + $decrement{'users'} = 1; + } + foreach my $type (keys (%decrement)) { + $$aggregate{$symb."\0".$part."\0".$type} = -$decrement{$type}; + } + return; +} + +# ----------- Determine timestamps for last reset of aggregate totals for parts +sub get_last_resets { + my ($symb,$courseid,$partids) =@_; + my %last_resets; + my $cdom = $env{'course.'.$courseid.'.domain'}; + my $cname = $env{'course.'.$courseid.'.num'}; + my @keys; + foreach my $part (@{$partids}) { + push(@keys,"$symb\0$part\0resettime"); + } + my %results=&Apache::lonnet::get('nohist_resourcetracker',\@keys, + $cdom,$cname); + foreach my $part (@{$partids}) { + $last_resets{$part}=$results{"$symb\0$part\0resettime"}; + } + return %last_resets; +} + +# ----------- Handles creating versions for portfolio files as answers +sub version_portfiles { + my ($record, $parts_graded, $courseid, $symb, $domain, $stu_name, $v_flag) = @_; + my $version_parts = join('|',@$v_flag); + my @returned_keys; + my $parts = join('|', @$parts_graded); + my $portfolio_root = &propath($domain,$stu_name). + '/userfiles/portfolio'; + foreach my $key (keys(%$record)) { + my $new_portfiles; + if ($key =~ /^resource\.($version_parts)\./ && $key =~ /\.portfiles$/ ) { + my @versioned_portfiles; + my @portfiles = split(/\s*,\s*/,$$record{$key}); + foreach my $file (@portfiles) { + &Apache::lonnet::unmark_as_readonly($domain,$stu_name,[$symb,$env{'request.course.id'}],$file); + my ($directory,$answer_file) =($file =~ /^(.*?)([^\/]*)$/); + my ($answer_name,$answer_ver,$answer_ext) = + &file_name_version_ext($answer_file); + my @dir_list = &Apache::lonnet::dirlist($directory,$domain,$stu_name,$portfolio_root); + my $version = &get_next_version($answer_name, $answer_ext, \@dir_list); + my $new_answer = &version_selected_portfile($domain, $stu_name, $directory, $answer_file, $version); + if ($new_answer ne 'problem getting file') { + push(@versioned_portfiles, $directory.$new_answer); + &Apache::lonnet::mark_as_readonly($domain,$stu_name, + [$directory.$new_answer], + [$symb,$env{'request.course.id'},'graded']); + } + } + $$record{$key} = join(',',@versioned_portfiles); + push(@returned_keys,$key); + } + } + return (@returned_keys); +} + +sub get_next_version { + my ($answer_name, $answer_ext, $dir_list) = @_; + my $version; + foreach my $row (@$dir_list) { + my ($file) = split(/\&/,$row,2); + my ($file_name,$file_version,$file_ext) = + &file_name_version_ext($file); + if (($file_name eq $answer_name) && + ($file_ext eq $answer_ext)) { + # gets here if filename and extension match, regardless of version + if ($file_version ne '') { + # a versioned file is found so save it for later + if ($file_version > $version) { + $version = $file_version; + } + } + } + } + $version ++; + return($version); } +sub version_selected_portfile { + my ($domain,$stu_name,$directory,$file_name,$version) = @_; + my ($answer_name,$answer_ver,$answer_ext) = + &file_name_version_ext($file_name); + my $new_answer; + $env{'form.copy'} = &Apache::lonnet::getfile("/uploaded/$domain/$stu_name/portfolio$directory$file_name"); + if($env{'form.copy'} eq '-1') { + $new_answer = 'problem getting file'; + } else { + $new_answer = $answer_name.'.'.$version.'.'.$answer_ext; + my $copy_result = &Apache::lonnet::finishuserfileupload( + $stu_name,$domain,'copy', + '/portfolio'.$directory.$new_answer); + } + return ($new_answer); +} + +sub file_name_version_ext { + my ($file)=@_; + my @file_parts = split(/\./, $file); + my ($name,$version,$ext); + if (@file_parts > 1) { + $ext=pop(@file_parts); + if (@file_parts > 1 && $file_parts[-1] =~ /^\d+$/) { + $version=pop(@file_parts); + } + $name=join('.',@file_parts); + } else { + $name=join('.',@file_parts); + } + return($name,$version,$ext); +} + +#-------------------------------------------------------------------------------------- +# +#-------------------------- Next few routines handles grading by section or whole class +# +#--- Javascript to handle grading by section or whole class +sub viewgrades_js { + my ($request) = shift; + + $request->print(< + function writePoint(partid,weight,point) { + var radioButton = document.classgrade["RADVAL_"+partid]; + var textbox = document.classgrade["TEXTVAL_"+partid]; + if (point == "textval") { + point = document.classgrade["TEXTVAL_"+partid].value; + if (isNaN(point) || parseFloat(point) < 0) { + alert("A number equal or greater than 0 is expected. Entered value = "+parseFloat(point)); + var resetbox = false; + for (var i=0; i parseFloat(weight)) { + var resp = confirm("You entered a value ("+parseFloat(point)+ + ") greater than the weight for the part. Accept?"); + if (resp == false) { + textbox.value = ""; + return; + } + } + for (var i=0; i parseFloat(weight)) { + var resp = confirm("You entered a value ("+parseFloat(point)+ + ") greater than the weight of the part. Accept?"); + if (resp == false) { + textbox.value = ""; + return; + } + } + selval[0].selected = true; + } + + function changeOneScore(partid,user) { + var selval = document.classgrade["GD_"+user+'_'+partid+"_solved"]; + if (selval[1].selected || selval[2].selected) { + document.classgrade["GD_"+user+'_'+partid+"_awarded"].value = ""; + if (selval[2].selected) { + document.classgrade["GD_"+user+'_'+partid+"_tries"].value = "0"; + } + } + } + + function resetEntry(numpart) { + for (ctpart=0;ctpart +VIEWJAVASCRIPT +} + +#--- show scores for a section or whole class w/ option to change/update a score sub viewgrades { - my ($request) = @_; - my $result=''; + my ($request) = shift; + &viewgrades_js($request); - #get resource reference - my ($symb,$url)=&get_symb_and_url($request); - if (!$symb) {return '';} - #get classlist - my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'}); - #print "Found $cdom:$cnum
"; - my ($classlist) = &getclasslist('all','0'); - my $headerclr = '"#ccffff"'; - my $cellclr = '"#ffffcc"'; - - #get list of parts for this problem - my (@parts) = sort(&getpartlist($url)); - - $request->print ("

Manual Grading

"); - - #start the form - $result = '
'."\n". - ''."\n". - ''."\n". + my ($symb) = &get_symb($request); + #need to make sure we have the correct data for later EXT calls, + #thus invalidate the cache + &Apache::lonnet::devalidatecourseresdata( + $env{'course.'.$env{'request.course.id'}.'.num'}, + $env{'course.'.$env{'request.course.id'}.'.domain'}); + &Apache::lonnet::clear_EXT_cache_status(); + + my $result='

'.&mt('Manual Grading').'

'; + $result.='

'.&mt('Current Resource: [_1]',$env{'form.probTitle'}).'

'."\n"; + + #view individual student submission form - called using Javascript viewOneStudent + $result.=&jscriptNform($symb); + + #beginning of class grading form + my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status')); + $result.= ''."\n". + ''."\n". ''."\n". - ''."\n". - '
'."\n". - ''."\n". - ''."\n"; - foreach my $part (@parts) { - my $display=&Apache::lonnet::metadata($url,$part.'.display'); - if (!$display) { $display = &Apache::lonnet::metadata($url,$part.'.name'); } - $result.=''."\n"; - } - $result.=''; - #get info for each student - foreach my $student ( sort(@{ $$classlist{'all'} }) ) { - my $display=&viewstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts); -# print "ID=$ENV{'request.course.id'}:STU=$student:DIS=$display:
\n"; - $result.=&viewstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts); - } - $result.='
UsernameNameDomain'.$display.'
'; - $result.='
'; - $result.=&show_grading_menu_form($symb,$url); - return $result; + &build_section_inputs(). + ''."\n". + ''."\n". + ''."\n"; + + my $sectionClass; + my $section_display = join (", ",&Apache::loncommon::get_env_multiple('form.section')); + if ($env{'form.section'} eq 'all') { + $sectionClass='Class'; + } elsif ($env{'form.section'} eq 'none') { + $sectionClass='Students in no Section'; + } else { + $sectionClass='Students in Section(s) [_1]'; + } + $result.= + '

'. + &mt("Assign Common Grade To $sectionClass",$section_display).'

'; + $result.= &Apache::loncommon::start_data_table(); + #radio buttons/text box for assigning points for a section or class. + #handles different parts of a problem + my ($partlist,$handgrade,$responseType) = &response_type($symb); + my %weight = (); + my $ctsparts = 0; + my %seen = (); + my @part_response_id = &flatten_responseType($responseType); + foreach my $part_response_id (@part_response_id) { + my ($partid,$respid) = @{ $part_response_id }; + my $part_resp = join('_',@{ $part_response_id }); + next if $seen{$partid}; + $seen{$partid}++; + my $handgrade=$$handgrade{$part_resp}; + my $wgt = &Apache::lonnet::EXT('resource.'.$partid.'.weight',$symb); + $weight{$partid} = $wgt eq '' ? '1' : $wgt; + + my $display_part=&get_display_part($partid,$symb); + my $radio.=''; + my $ctr = 0; + while ($ctr<=$weight{$partid}) { # display radio buttons in a nice table 10 across + $radio.= '\n"; + $result.=(($ctr+1)%10 == 0 ? '' : ''); + $ctr++; + } + $radio.='
'; + my $line = ' /'. + $weight{$partid}.' (problem weight)'."\n"; + $line.= ''. + ''; + $line.=''."\n"; + $line.=''."\n"; + + $result.= + &Apache::loncommon::start_data_table_row()."\n". + &mt('Part:[_1]Points:[_2]or[_3]',$display_part,$radio,$line). + &Apache::loncommon::end_data_table_row()."\n"; + $ctsparts++; + } + $result.=&Apache::loncommon::end_data_table()."\n". + ''; + $result.=''; + + #table listing all the students in a section/class + #header of table + $result.= '

'.&mt('Assign Grade to Specific Students in '.$sectionClass, + $section_display).'

'; + $result.= &Apache::loncommon::start_data_table(). + &Apache::loncommon::start_data_table_header_row(). + ''.&mt('No.').''. + ''.&nameUserString('header')."\n"; + my (@parts) = sort(&getpartlist($symb)); + my (undef,undef,$url)=&Apache::lonnet::decode_symb($symb); + my @partids = (); + foreach my $part (@parts) { + my $display=&Apache::lonnet::metadata($url,$part.'.display'); + $display =~ s|^Number of Attempts|Tries
|; # makes the column narrower + if (!$display) { $display = &Apache::lonnet::metadata($url,$part.'.name'); } + my ($partid) = &split_part_type($part); + push(@partids, $partid); + my $display_part=&get_display_part($partid,$symb); + if ($display =~ /^Partial Credit Factor/) { + $result.=''. + &mt('Score Part: [_1]
(weight = [_2])', + $display_part,$weight{$partid}).''."\n"; + next; + + } else { + if ($display =~ /Problem Status/) { + my $grade_status_mt = &mt('Grade Status'); + $display =~ s{Problem Status}{$grade_status_mt
}; + } + my $part_mt = &mt('Part:'); + $display =~s{\[Part: \Q$partid\E\]}{$part_mt $display_part}; + } + + $result.=''.$display.''."\n"; + } + $result.=&Apache::loncommon::end_data_table_header_row(); + + my %last_resets = + &get_last_resets($symb,$env{'request.course.id'},\@partids); + + #get info for each student + #list all the students - with points and grade status + my (undef,undef,$fullname) = &getclasslist($env{'form.section'},'1'); + my $ctr = 0; + foreach (sort + { + if (lc($$fullname{$a}) ne lc($$fullname{$b})) { + return (lc($$fullname{$a}) cmp lc($$fullname{$b})); + } + return $a cmp $b; + } (keys(%$fullname))) { + $ctr++; + $result.=&viewstudentgrade($symb,$env{'request.course.id'}, + $_,$$fullname{$_},\@parts,\%weight,$ctr,\%last_resets); + } + $result.=&Apache::loncommon::end_data_table(); + $result.=''."\n"; + $result.=''."\n"; + if (scalar(%$fullname) eq 0) { + my $colspan=3+scalar(@parts); + my $section_display = join (", ",&Apache::loncommon::get_env_multiple('form.section')); + my $stu_status = join(' or ',&Apache::loncommon::get_env_multiple('form.Status')); + $result=''. + &mt('There are no students in section(s) [_1] with enrollment status [_2] to modify or grade.', + $section_display, $stu_status). + ''; + } + $result.=&show_grading_menu_form($symb); + return $result; } +#--- call by previous routine to display each student +sub viewstudentgrade { + my ($symb,$courseid,$student,$fullname,$parts,$weight,$ctr,$last_resets) = @_; + my ($uname,$udom) = split(/:/,$student); + my %record=&Apache::lonnet::restore($symb,$courseid,$udom,$uname); + my %aggregates = (); + my $result=&Apache::loncommon::start_data_table_row().''. + ''. + "\n".$ctr.'  '. + ''.$fullname.' '. + '('.$uname.($env{'user.domain'} eq $udom ? '' : ':'.$udom).')'."\n"; + $student=~s/:/_/; # colon doen't work in javascript for names + foreach my $apart (@$parts) { + my ($part,$type) = &split_part_type($apart); + my $score=$record{"resource.$part.$type"}; + $result.=''; + my ($aggtries,$totaltries); + unless (exists($aggregates{$part})) { + $totaltries = $record{'resource.'.$part.'.tries'}; + + $aggtries = $totaltries; + if ($$last_resets{$part}) { + $aggtries = &get_num_tries(\%record,$$last_resets{$part}, + $part); + } + $result.=''."\n"; + $result.=''."\n"; + $aggregates{$part} = 1; + } + if ($type eq 'awarded') { + my $pts = $score eq '' ? '' : &compute_points($score,$$weight{$part}); + $result.=''."\n"; + $result.=''."\n"; + } elsif ($type eq 'solved') { + my ($status,$foo)=split(/_/,$score,2); + $status = 'nothing' if ($status eq ''); + $result.=''."\n"; + $result.='  \n"; + } else { + $result.=''. + "\n"; + $result.=''."\n"; + } + } + $result.=&Apache::loncommon::end_data_table_row(); + return $result; +} + +#--- change scores for all the students in a section/class +# record does not get update if unchanged sub editgrades { - my ($request) = @_; - my $result=''; + my ($request) = @_; + + my $symb=&get_symb($request); + my $section_display = join (", ",&Apache::loncommon::get_env_multiple('form.section')); + my $title='

'.&mt('Current Grade Status').'

'; + $title.='

'.&mt('Current Resource: [_1]',$env{'form.probTitle'}).'

'."\n"; + $title.='

'.&mt('Section: [_1]',$section_display).'

'."\n"; + + my $result= &Apache::loncommon::start_data_table(). + &Apache::loncommon::start_data_table_header_row(). + ''.&mt('No.').''. + ''.&nameUserString('header')."\n"; + my %scoreptr = ( + 'correct' =>'correct_by_override', + 'incorrect'=>'incorrect_by_override', + 'excused' =>'excused', + 'ungraded' =>'ungraded_attempted', + 'nothing' => '', + ); + my ($classlist,undef,$fullname) = &getclasslist($env{'form.section'},'0'); + + my (@partid); + my %weight = (); + my %columns = (); + my ($i,$ctr,$count,$rec_update) = (0,0,0,0); + + my (@parts) = sort(&getpartlist($symb)); + my $header; + while ($ctr < $env{'form.totalparts'}) { + my $partid = $env{'form.partid_'.$ctr}; + push @partid,$partid; + $weight{$partid} = $env{'form.weight_'.$partid}; + $ctr++; + } + my (undef,undef,$url) = &Apache::lonnet::decode_symb($symb); + foreach my $partid (@partid) { + $header .= ''.&mt('Old Score').''. + ''.&mt('New Score').''; + $columns{$partid}=2; + foreach my $stores (@parts) { + my ($part,$type) = &split_part_type($stores); + if ($part !~ m/^\Q$partid\E/) { next;} + if ($type eq 'awarded' || $type eq 'solved') { next; } + my $display=&Apache::lonnet::metadata($url,$stores.'.display'); + $display =~ s/\[Part: (\w)+\]//; + $display =~ s/Number of Attempts/Tries/; + $header .= ''.&mt('Old '.$display).''. + ''.&mt('New '.$display).''; + $columns{$partid}+=2; + } + } + foreach my $partid (@partid) { + my $display_part=&get_display_part($partid,$symb); + $result .= ''. + &mt('Part: [_1] (Weight = [_2])',$display_part,$weight{$partid}). + ''; - my $symb=$ENV{'form.symb'}; - if ($symb eq '') { $request->print("Unable to handle ambiguous references:$symb:$ENV{'form.url'}"); return ''; } - my $url=$ENV{'form.url'}; - #get classlist -# my ($cdom,$cnum) = split(/_/,$ENV{'request.course.id'}); - #print "Found $cdom:$cnum
"; - my ($classlist) = &getclasslist('all','0'); - - #get list of parts for this problem - my (@parts) = &getpartlist($url); - - $result.='
'."\n". - ''."\n". - ''."\n". - ''."\n". - '
'."\n"; + } + $result .= &Apache::loncommon::end_data_table_header_row(). + &Apache::loncommon::start_data_table_header_row(). + $header. + &Apache::loncommon::end_data_table_header_row(); + my @noupdate; + my ($updateCtr,$noupdateCtr) = (1,1); + for ($i=0; $i<$env{'form.total'}; $i++) { + my $line; + my $user = $env{'form.ctr'.$i}; + my ($uname,$udom)=split(/:/,$user); + my %newrecord; + my $updateflag = 0; + $line .= ''.&nameUserString(undef,$$fullname{$user},$uname,$udom).''; + my $usec=$classlist->{"$uname:$udom"}[5]; + if (!&canmodify($usec)) { + my $numcols=scalar(@partid)*4+2; + push(@noupdate, + $line."". + &mt('Not allowed to modify student').""); + next; + } + my %aggregate = (); + my $aggregateflag = 0; + $user=~s/:/_/; # colon doen't work in javascript for names + foreach (@partid) { + my $old_aw = $env{'form.GD_'.$user.'_'.$_.'_awarded_s'}; + my $old_part_pcr = $old_aw/($weight{$_} ne '0' ? $weight{$_}:1); + my $old_part = $old_aw eq '' ? '' : $old_part_pcr; + my $old_score = $scoreptr{$env{'form.GD_'.$user.'_'.$_.'_solved_s'}}; + my $awarded = $env{'form.GD_'.$user.'_'.$_.'_awarded'}; + my $pcr = $awarded/($weight{$_} ne '0' ? $weight{$_} : 1); + my $partial = $awarded eq '' ? '' : $pcr; + my $score; + if ($partial eq '') { + $score = $scoreptr{$env{'form.GD_'.$user.'_'.$_.'_solved_s'}}; + } elsif ($partial > 0) { + $score = 'correct_by_override'; + } elsif ($partial == 0) { + $score = 'incorrect_by_override'; + } + my $dropMenu = $env{'form.GD_'.$user.'_'.$_.'_solved'}; + $score = 'excused' if (($dropMenu eq 'excused') && ($score ne 'excused')); + + $newrecord{'resource.'.$_.'.regrader'}= + "$env{'user.name'}:$env{'user.domain'}"; + if ($dropMenu eq 'reset status' && + $old_score ne '') { # ignore if no previous attempts => nothing to reset + $newrecord{'resource.'.$_.'.tries'} = ''; + $newrecord{'resource.'.$_.'.solved'} = ''; + $newrecord{'resource.'.$_.'.award'} = ''; + $newrecord{'resource.'.$_.'.awarded'} = ''; + $updateflag = 1; + if ($env{'form.GD_'.$user.'_'.$_.'_aggtries'} > 0) { + my $aggtries = $env{'form.GD_'.$user.'_'.$_.'_aggtries'}; + my $totaltries = $env{'form.GD_'.$user.'_'.$_.'_totaltries'}; + my $solvedstatus = $env{'form.GD_'.$user.'_'.$_.'_solved_s'}; + &decrement_aggs($symb,$_,\%aggregate,$aggtries,$totaltries,$solvedstatus); + $aggregateflag = 1; + } + } elsif (!($old_part eq $partial && $old_score eq $score)) { + $updateflag = 1; + $newrecord{'resource.'.$_.'.awarded'} = $partial if $partial ne ''; + $newrecord{'resource.'.$_.'.solved'} = $score; + $rec_update++; + } + + $line .= ''.$old_aw.' '. + ''.$awarded. + ($score eq 'excused' ? $score : '').' '; + + + my $partid=$_; + foreach my $stores (@parts) { + my ($part,$type) = &split_part_type($stores); + if ($part !~ m/^\Q$partid\E/) { next;} + if ($type eq 'awarded' || $type eq 'solved') { next; } + my $old_aw = $env{'form.GD_'.$user.'_'.$part.'_'.$type.'_s'}; + my $awarded = $env{'form.GD_'.$user.'_'.$part.'_'.$type}; + if ($awarded ne '' && $awarded ne $old_aw) { + $newrecord{'resource.'.$part.'.'.$type}= $awarded; + $newrecord{'resource.'.$part.'.regrader'}="$env{'user.name'}:$env{'user.domain'}"; + $updateflag=1; + } + $line .= ''.$old_aw.' '. + ''.$awarded.' '; + } + } + $line.="\n"; - foreach my $student ( sort(@{ $$classlist{'all'} }) ) { - $result.=&setstudentgrade($url,$symb,$ENV{'request.course.id'},$student,@parts); - } + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; - $result.='
'; - return $result; + if ($updateflag) { + $count++; + &Apache::lonnet::cstore(\%newrecord,$symb,$env{'request.course.id'}, + $udom,$uname); + + if (&Apache::bridgetask::in_queue('gradingqueue',$symb,$cdom, + $cnum,$udom,$uname)) { + # need to figure out if should be in queue. + my %record = + &Apache::lonnet::restore($symb,$env{'request.course.id'}, + $udom,$uname); + my $all_graded = 1; + my $none_graded = 1; + foreach my $part (@parts) { + if ( $record{'resource.'.$part.'.awarded'} eq '' ) { + $all_graded = 0; + } else { + $none_graded = 0; + } + } + + if ($all_graded || $none_graded) { + &Apache::bridgetask::remove_from_queue('gradingqueue', + $symb,$cdom,$cnum, + $udom,$uname); + } + } + + $result.=&Apache::loncommon::start_data_table_row(). + ' '.$updateCtr.' '.$line. + &Apache::loncommon::end_data_table_row(); + $updateCtr++; + } else { + push(@noupdate, + ' '.$noupdateCtr.' '.$line); + $noupdateCtr++; + } + if ($aggregateflag) { + &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate, + $cdom,$cnum); + } + } + if (@noupdate) { +# my $numcols=(scalar(@partid)*(scalar(@parts)-1)*2)+3; + my $numcols=scalar(@partid)*4+2; + $result .= &Apache::loncommon::start_data_table_row('LC_empty_row'). + ''. + &mt('No Changes Occurred For the Students Below'). + ''. + &Apache::loncommon::end_data_table_row(); + foreach my $line (@noupdate) { + $result.= + &Apache::loncommon::start_data_table_row(). + $line. + &Apache::loncommon::end_data_table_row(); + } + } + $result .= &Apache::loncommon::end_data_table(). + &show_grading_menu_form($symb); + my $msg = '

'. + &mt('Number of records updated = [_1] for [quant,_2,student].', + $rec_update,$count).'
'. + ''.&mt('Total number of students = [_1]',$env{'form.total'}). + '

'; + return $title.$msg.$result; +} + +sub split_part_type { + my ($partstr) = @_; + my ($temp,@allparts)=split(/_/,$partstr); + my $type=pop(@allparts); + my $part=join('_',@allparts); + return ($part,$type); } +#------------- end of section for handling grading by section/class --------- +# +#---------------------------------------------------------------------------- + + +#---------------------------------------------------------------------------- +# +#-------------------------- Next few routines handles grading by csv upload +# +#--- Javascript to handle csv upload sub csvupload_javascript_reverse_associate { + my $error1=&mt('You need to specify the username or ID'); + my $error2=&mt('You need to specify at least one grading field'); return(<2) { foundsomething=1; } - } - if (founduname==0 || founddomain==0) { - alert('You need to specify at both the username and domain'); - return; + if (tw==1) { foundID=1; } + if (tw==2) { founduname=1; } + if (tw>3) { foundsomething=1; } + } + if (founduname==0 && foundID==0) { + alert('$error1'); + return; } if (foundsomething==0) { - alert('You need to specify at least one grading field'); - return; + alert('$error2'); + return; } vf.submit(); } @@ -1260,60 +3721,73 @@ ENDPICK } sub csvuploadmap_header { - my ($request,$symb,$url,$datatoken,$distotal)= @_; - my $result; - my $javascript; - if ($ENV{'form.upfile_associate'} eq 'reverse') { - $javascript=&csvupload_javascript_reverse_associate(); - } else { - $javascript=&csvupload_javascript_forward_associate(); - } - $request->print(<print(< -

Uploading Class Grades for resource $url

-
+

Uploading Class Grades

+$result +

Identify fields

Total number of records found in file: $distotal
Enter as many fields as you can. The system will inform you and bring you back to this page if the data selected is insufficient to run your class.
+ - - + + + value="$env{'form.upfile_associate'}" /> - - + + +
ENDPICK - return ''; + return ''; } sub csvupload_fields { - my ($url) = @_; - my (@parts) = &getpartlist($url); - my @fields=(['username','Student Username'],['domain','Student Domain']); - foreach my $part (sort(@parts)) { - my @datum; - my $display=&Apache::lonnet::metadata($url,$part.'.display'); - my $name=$part; - if (!$display) { $display = $name; } - @datum=($name,$display); - push(@fields,\@datum); - } - return (@fields); + my ($symb) = @_; + my (@parts) = &getpartlist($symb); + my @fields=(['ID','Student ID'], + ['username','Student Username'], + ['domain','Student Domain']); + my (undef,undef,$url) = &Apache::lonnet::decode_symb($symb); + foreach my $part (sort(@parts)) { + my @datum; + my $display=&Apache::lonnet::metadata($url,$part.'.display'); + my $name=$part; + if (!$display) { $display = $name; } + @datum=($name,$display); + if ($name=~/^stores_(.*)_awarded/) { + push(@fields,['stores_'.$1.'_points',"Points [Part: $1]"]); + } + push(@fields,\@datum); + } + return (@fields); } sub csvuploadmap_footer { - my ($request,$i,$keyfields) =@_; - $request->print(<print(< @@ -1322,206 +3796,4886 @@ sub csvuploadmap_footer { ENDPICK } +sub checkforfile_js { + my $result =< + function checkUpload(formname) { + if (formname.upfile.value == "") { + alert("Please use the browse button to select a file from your local directory."); + return false; + } + formname.submit(); + } + +CSVFORMJS + return $result; +} + +sub upcsvScores_form { + my ($request) = shift; + my ($symb)=&get_symb($request); + if (!$symb) {return '';} + my $result=&checkforfile_js(); + $env{'form.probTitle'} = &Apache::lonnet::gettitle($symb); + my ($table) = &showResourceInfo($symb,$env{'form.probTitle'}); + $result.=$table; + $result.='
'."\n"; + $result.=''."\n"; + $result.='
'."\n"; + $result.=' '.&mt('Specify a file containing the class scores for current resource'). + '.
'."\n"; + my $upload=&mt("Upload Scores"); + my $upfile_select=&Apache::loncommon::upfile_select_html(); + my $ignore=&mt('Ignore First Line'); + $symb = &Apache::lonenc::check_encrypt($symb); + $result.=< + + + + +$upfile_select +
+ + +ENDUPFORM + $result.=&Apache::loncommon::help_open_topic("Course_Convert_To_CSV", + &mt("How do I create a CSV file from a spreadsheet")) + .'
'."\n"; + $result.='


'."\n"; + $result.=&show_grading_menu_form($symb); + return $result; +} + + sub csvuploadmap { - my ($request)= @_; - my ($symb,$url)=&get_symb_and_url($request); - if (!$symb) {return '';} - my $datatoken; - if (!$ENV{'form.datatoken'}) { - $datatoken=&Apache::loncommon::upfile_store($request); - } else { - $datatoken=$ENV{'form.datatoken'}; - &Apache::loncommon::load_tmp_file($request); - } - my @records=&Apache::loncommon::upfile_record_sep(); - &csvuploadmap_header($request,$symb,$url,$datatoken,$#records+1); - my $i; - my $keyfields; - if (@records) { - my @fields=&csvupload_fields($url); - if ($ENV{'form.upfile_associate'} eq 'reverse') { - &Apache::loncommon::csv_print_samples($request,\@records); - $i=&Apache::loncommon::csv_print_select_table($request,\@records, - \@fields); - foreach (@fields) { $keyfields.=$_->[0].','; } - chop($keyfields); - } else { - unshift(@fields,['none','']); - $i=&Apache::loncommon::csv_samples_select_table($request,\@records, - \@fields); - my %sone=&Apache::loncommon::record_sep($records[0]); - $keyfields=join(',',sort(keys(%sone))); + my ($request)= @_; + my ($symb)=&get_symb($request); + if (!$symb) {return '';} + + my $datatoken; + if (!$env{'form.datatoken'}) { + $datatoken=&Apache::loncommon::upfile_store($request); + } else { + $datatoken=$env{'form.datatoken'}; + &Apache::loncommon::load_tmp_file($request); } - } - &csvuploadmap_footer($request,$i,$keyfields); - return ''; + my @records=&Apache::loncommon::upfile_record_sep(); + if ($env{'form.noFirstLine'}) { shift(@records); } + &csvuploadmap_header($request,$symb,$datatoken,$#records+1); + my ($i,$keyfields); + if (@records) { + my @fields=&csvupload_fields($symb); + + if ($env{'form.upfile_associate'} eq 'reverse') { + &Apache::loncommon::csv_print_samples($request,\@records); + $i=&Apache::loncommon::csv_print_select_table($request,\@records, + \@fields); + foreach (@fields) { $keyfields.=$_->[0].','; } + chop($keyfields); + } else { + unshift(@fields,['none','']); + $i=&Apache::loncommon::csv_samples_select_table($request,\@records, + \@fields); + foreach my $rec (@records) { + my %temp = &Apache::loncommon::record_sep($rec); + if (%temp) { + $keyfields=join(',',sort(keys(%temp))); + last; + } + } + } + } + &csvuploadmap_footer($request,$i,$keyfields); + $request->print(&show_grading_menu_form($symb)); + + return ''; +} + +sub csvuploadoptions { + my ($request)= @_; + my ($symb)=&get_symb($request); + my $checked=(($env{'form.noFirstLine'})?'1':'0'); + my $ignore=&mt('Ignore First Line'); + $request->print(< +

Uploading Class Grade Options

+ + +

+ +

+ENDPICK + my %fields=&get_fields(); + if (!defined($fields{'domain'})) { + my $domform = &Apache::loncommon::select_dom_form($env{'request.role.domain'},'default_domain'); + $request->print("\n

Users are in domain: ".$domform."

\n"); + } + foreach my $key (sort(keys(%env))) { + if ($key !~ /^form\.(.*)$/) { next; } + my $cleankey=$1; + if ($cleankey eq 'command') { next; } + $request->print(''."\n"); + } + # FIXME do a check for any duplicated user ids... + # FIXME do a check for any invalid user ids?... + $request->print('
+
'."\n"); + $request->print(&show_grading_menu_form($symb)); + return ''; +} + +sub get_fields { + my %fields; + my @keyfields = split(/\,/,$env{'form.keyfields'}); + for (my $i=0; $i<=$env{'form.nfields'}; $i++) { + if ($env{'form.upfile_associate'} eq 'reverse') { + if ($env{'form.f'.$i} ne 'none') { + $fields{$keyfields[$i]}=$env{'form.f'.$i}; + } + } else { + if ($env{'form.f'.$i} ne 'none') { + $fields{$env{'form.f'.$i}}=$keyfields[$i]; + } + } + } + return %fields; } sub csvuploadassign { - my ($request)= @_; - my ($symb,$url)=&get_symb_and_url($request); - if (!$symb) {return '';} - &Apache::loncommon::load_tmp_file($request); - my @gradedata=&Apache::loncommon::upfile_record_sep(); - my @keyfields = split(/\,/,$ENV{'form.keyfields'}); - my %fields=(); - for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) { - if ($ENV{'form.upfile_associate'} eq 'reverse') { - if ($ENV{'form.f'.$i} ne 'none') { - $fields{$keyfields[$i]}=$ENV{'form.f'.$i}; - } + my ($request)= @_; + my ($symb)=&get_symb($request); + if (!$symb) {return '';} + my $error_msg = ''; + &Apache::loncommon::load_tmp_file($request); + my @gradedata = &Apache::loncommon::upfile_record_sep(); + if ($env{'form.noFirstLine'}) { shift(@gradedata); } + my %fields=&get_fields(); + $request->print('

Assigning Grades

'); + my $courseid=$env{'request.course.id'}; + my ($classlist) = &getclasslist('all',0); + my @notallowed; + my @skipped; + my $countdone=0; + foreach my $grade (@gradedata) { + my %entries=&Apache::loncommon::record_sep($grade); + my $domain; + if ($entries{$fields{'domain'}}) { + $domain=$entries{$fields{'domain'}}; + } else { + $domain=$env{'form.default_domain'}; + } + $domain=~s/\s//g; + my $username=$entries{$fields{'username'}}; + $username=~s/\s//g; + if (!$username) { + my $id=$entries{$fields{'ID'}}; + $id=~s/\s//g; + my %ids=&Apache::lonnet::idget($domain,$id); + $username=$ids{$id}; + } + if (!exists($$classlist{"$username:$domain"})) { + my $id=$entries{$fields{'ID'}}; + $id=~s/\s//g; + if ($id) { + push(@skipped,"$id:$domain"); + } else { + push(@skipped,"$username:$domain"); + } + next; + } + my $usec=$classlist->{"$username:$domain"}[5]; + if (!&canmodify($usec)) { + push(@notallowed,"$username:$domain"); + next; + } + my %points; + my %grades; + foreach my $dest (keys(%fields)) { + if ($dest eq 'ID' || $dest eq 'username' || + $dest eq 'domain') { next; } + if ($entries{$fields{$dest}} =~ /^\s*$/) { next; } + if ($dest=~/stores_(.*)_points/) { + my $part=$1; + my $wgt =&Apache::lonnet::EXT('resource.'.$part.'.weight', + $symb,$domain,$username); + if ($wgt) { + $entries{$fields{$dest}}=~s/\s//g; + my $pcr=$entries{$fields{$dest}} / $wgt; + my $award=($pcr == 0) ? 'incorrect_by_override' + : 'correct_by_override'; + $grades{"resource.$part.awarded"}=$pcr; + $grades{"resource.$part.solved"}=$award; + $points{$part}=1; + } else { + $error_msg = "
" . + &mt("Some point values were assigned" + ." for problems with a weight " + ."of zero. These values were " + ."ignored."); + } + } else { + if ($dest=~/stores_(.*)_awarded/) { if ($points{$1}) {next;} } + if ($dest=~/stores_(.*)_solved/) { if ($points{$1}) {next;} } + my $store_key=$dest; + $store_key=~s/^stores/resource/; + $store_key=~s/_/\./g; + $grades{$store_key}=$entries{$fields{$dest}}; + } + } + if (! %grades) { + push(@skipped,&mt("[_1]: no data to save","$username:$domain")); + } else { + $grades{"resource.regrader"}="$env{'user.name'}:$env{'user.domain'}"; + my $result=&Apache::lonnet::cstore(\%grades,$symb, + $env{'request.course.id'}, + $domain,$username); + if ($result eq 'ok') { + $request->print('.'); + } else { + $request->print("

". + &mt("Failed to save data for student [_1]. Message when trying to save was: [_2]", + "$username:$domain",$result)."

"); + } + $request->rflush(); + $countdone++; + } + } + $request->print('
'.&mt("Saved [_1] students",$countdone)."\n"); + if (@skipped) { + $request->print('

'.&mt('Skipped Students').'

'); + foreach my $student (@skipped) { $request->print("$student
\n"); } + } + if (@notallowed) { + $request->print('

'.&mt('Students Not Allowed to Modify').'

'); + foreach my $student (@notallowed) { $request->print("$student
\n"); } + } + $request->print("
\n"); + $request->print(&show_grading_menu_form($symb)); + return $error_msg; +} +#------------- end of section for handling csv file upload --------- +# +#------------------------------------------------------------------- +# +#-------------- Next few routines handle grading by page/sequence +# +#--- Select a page/sequence and a student to grade +sub pickStudentPage { + my ($request) = shift; + + $request->print(< + +function checkPickOne(formname) { + if (radioSelection(formname.student) == null) { + alert("Please select the student you wish to grade."); + return; + } + ptr = pullDownSelection(formname.selectpage); + formname.page.value = formname["page"+ptr].value; + formname.title.value = formname["title"+ptr].value; + formname.submit(); +} + + +LISTJAVASCRIPT + &commonJSfunctions($request); + my ($symb) = &get_symb($request); + my $cdom = $env{"course.$env{'request.course.id'}.domain"}; + my $cnum = $env{"course.$env{'request.course.id'}.num"}; + my $getsec = $env{'form.section'} eq '' ? 'all' : $env{'form.section'}; + + my $result='

 '. + &mt('Manual Grading by Page or Sequence').'

'; + + $result.='
'."\n"; + my ($titles,$symbx) = &getSymbMap(); + my ($curpage) =&Apache::lonnet::decode_symb($symb); +# my ($curpage,$mapId) =&Apache::lonnet::decode_symb($symb); +# my $type=($curpage =~ /\.(page|sequence)/); + my $select = ''; + $result.=&mt(' Problems from: [_1]',$select)."
\n"; + + $ctr=0; + foreach (@$titles) { + my ($minder,$showtitle) = ($_ =~ /(\d+)\.(.*)/); + $result.=''."\n"; + $result.=''."\n"; + $ctr++; + } + $result.=''."\n". + ''."\n"; + + my $options = + ''."\n". + ''."
\n"; + $result.=' '.&mt('View Problems Text: [_1]',$options); + + $options = + ''."\n". + ''."\n". + ''."\n"; + $result.=' '.&mt('Submission Details: [_1]',$options); + + $result.=&build_section_inputs(); + my $stu_status = join(':',&Apache::loncommon::get_env_multiple('form.Status')); + $result.=''."\n". + ''."\n". + ''."\n". + ''."
\n"; + + $result.=' '.&mt('Use CODE: [_1] ', + ''). + '
'."\n"; + + $result.=' 
'."\n"; + + $request->print($result); + + my $studentTable.=' '.&mt('Select a student you wish to grade and then click on the Next button.').'
'. + &Apache::loncommon::start_data_table(). + &Apache::loncommon::start_data_table_header_row(). + ' '.&mt('No.').''. + ''.&nameUserString('header').''. + ' '.&mt('No.').''. + ''.&nameUserString('header').''. + &Apache::loncommon::end_data_table_header_row(); + + my (undef,undef,$fullname) = &getclasslist($getsec,'1'); + my $ptr = 1; + foreach my $student (sort + { + if (lc($$fullname{$a}) ne lc($$fullname{$b})) { + return (lc($$fullname{$a}) cmp lc($$fullname{$b})); + } + return $a cmp $b; + } (keys(%$fullname))) { + my ($uname,$udom) = split(/:/,$student); + $studentTable.=($ptr%2==1 ? &Apache::loncommon::start_data_table_row() + : ''); + $studentTable.=''.$ptr.' '; + $studentTable.=' \n"; + $studentTable.= + ($ptr%2 == 0 ? ''.&Apache::loncommon::end_data_table_row() + : ''); + $ptr++; + } + if ($ptr%2 == 0) { + $studentTable.='  '. + &Apache::loncommon::end_data_table_row(); + } + $studentTable.=&Apache::loncommon::end_data_table()."\n"; + $studentTable.='
'."\n"; + + $studentTable.=&show_grading_menu_form($symb); + $request->print($studentTable); + + return ''; +} + +sub getSymbMap { + my $navmap = Apache::lonnavmaps::navmap->new(); + + my %symbx = (); + my @titles = (); + my $minder = 0; + + # Gather every sequence that has problems. + my @sequences = $navmap->retrieveResources(undef, sub { shift->is_map(); }, + 1,0,1); + for my $sequence ($navmap->getById('0.0'), @sequences) { + if ($navmap->hasResource($sequence, sub { shift->is_problem(); }, 0) ) { + my $title = $minder.'.'. + &HTML::Entities::encode($sequence->compTitle(),'"\'&'); + push(@titles, $title); # minder in case two titles are identical + $symbx{$title} = &HTML::Entities::encode($sequence->symb(),'"\'&'); + $minder++; + } + } + return \@titles,\%symbx; +} + +# +#--- Displays a page/sequence w/wo problems, w/wo submissions +sub displayPage { + my ($request) = shift; + + my ($symb) = &get_symb($request); + my $cdom = $env{"course.$env{'request.course.id'}.domain"}; + my $cnum = $env{"course.$env{'request.course.id'}.num"}; + my $getsec = $env{'form.section'} eq '' ? 'all' : $env{'form.section'}; + my $pageTitle = $env{'form.page'}; + my ($classlist,undef,$fullname) = &getclasslist($getsec,'1'); + my ($uname,$udom) = split(/:/,$env{'form.student'}); + my $usec=$classlist->{$env{'form.student'}}[5]; + + #need to make sure we have the correct data for later EXT calls, + #thus invalidate the cache + &Apache::lonnet::devalidatecourseresdata( + $env{'course.'.$env{'request.course.id'}.'.num'}, + $env{'course.'.$env{'request.course.id'}.'.domain'}); + &Apache::lonnet::clear_EXT_cache_status(); + + if (!&canview($usec)) { + $request->print(''.&mt('Unable to view requested student. ([_1])',$env{'form.student'}).''); + $request->print(&show_grading_menu_form($symb)); + return; + } + my $result='

 '.$env{'form.title'}.'

'; + $result.='

 '.&mt('Student: [_1]',&nameUserString(undef,$$fullname{$env{'form.student'}},$uname,$udom)). + '

'."\n"; + $env{'form.CODE'} = uc($env{'form.CODE'}); + if (&Apache::lonnet::validCODE(uc($env{'form.CODE'}))) { + $result.='

 '.&mt('CODE: [_1]',$env{'form.CODE'}).'

'."\n"; } else { - if ($ENV{'form.f'.$i} ne 'none') { - $fields{$ENV{'form.f'.$i}}=$keyfields[$i]; - } + delete($env{'form.CODE'}); } - } - $request->print('

Assigning Grades

'); - my $courseid=$ENV{'request.course.id'}; -# my $cdom=$ENV{"course.$courseid.domain"}; -# my $cnum=$ENV{"course.$courseid.num"}; - my ($classlist) = &getclasslist('all','1'); - my @skipped; - my $countdone=0; - foreach my $grade (@gradedata) { - my %entries=&Apache::loncommon::record_sep($grade); - my $username=$entries{$fields{'username'}}; - my $domain=$entries{$fields{'domain'}}; - if (!exists($$classlist{"$username:$domain"})) { - push(@skipped,"$username:$domain"); - next; - } - my %grades; - foreach my $dest (keys(%fields)) { - if ($dest eq 'username' || $dest eq 'domain') { next; } - if ($entries{$fields{$dest}} eq '') { next; } - my $store_key=$dest; - $store_key=~s/^stores/resource/; - $store_key=~s/_/\./g; - $grades{$store_key}=$entries{$fields{$dest}}; - } - $grades{"resource.regrader"}="$ENV{'user.name'}:$ENV{'user.domain'}"; - &Apache::lonnet::cstore(\%grades,$symb,$ENV{'request.course.id'}, - $domain,$username); - $request->print('.'); - $request->rflush(); - $countdone++; - } - $request->print("
Stored $countdone students\n"); - if (@skipped) { - $request->print('
Skipped Students
'); - foreach my $student (@skipped) { $request->print("
$student"); } - } - $request->print(&view_edit_entire_class_form($symb,$url)); - $request->print(&show_grading_menu_form($symb,$url)); - return ''; -} - -sub send_header { - my ($request)= @_; - $request->print(&Apache::lontexconvert::header()); -# $request->print(" -#"); - $request->print(''); -} - -sub send_footer { - my ($request)= @_; - $request->print(''); - $request->print(&Apache::lontexconvert::footer()); + &sub_page_js($request); + $request->print($result); + + my $navmap = Apache::lonnavmaps::navmap->new(); + my ($mapUrl, $id, $resUrl)=&Apache::lonnet::decode_symb($env{'form.page'}); + my $map = $navmap->getResourceByUrl($resUrl); # add to navmaps + if (!$map) { + $request->print(''.&mt('Unable to view requested sequence. ([_1])',$resUrl).''); + $request->print(&show_grading_menu_form($symb)); + return; + } + my $iterator = $navmap->getIterator($map->map_start(), + $map->map_finish()); + + my $studentTable='
'."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n"; + + if (defined($env{'form.CODE'})) { + $studentTable.= + ''."\n"; + } + my $checkIcon = ''.&mt('Check Mark').
+	''; + + $studentTable.=' '.&mt('Note: Problems graded correct by the computer are marked with a [_1] symbol.',$checkIcon)."\n". + &Apache::loncommon::start_data_table(). + &Apache::loncommon::start_data_table_header_row(). + ' Prob. '. + ' '.($env{'form.vProb'} eq 'no' ? &mt('Title') : &mt('Problem Text')).'/'.&mt('Grade').''. + &Apache::loncommon::end_data_table_header_row(); + + &Apache::lonxml::clear_problem_counter(); + my ($depth,$question,$prob) = (1,1,1); + $iterator->next(); # skip the first BEGIN_MAP + my $curRes = $iterator->next(); # for "current resource" + while ($depth > 0) { + if($curRes == $iterator->BEGIN_MAP) { $depth++; } + if($curRes == $iterator->END_MAP) { $depth--; } + + if (ref($curRes) && $curRes->is_problem()) { + my $parts = $curRes->parts(); + my $title = $curRes->compTitle(); + my $symbx = $curRes->symb(); + $studentTable.= + &Apache::loncommon::start_data_table_row(). + ''.$prob. + (scalar(@{$parts}) == 1 ? '' + : '
('.&mt('[_1] parts)', + scalar(@{$parts})) + ). + ''; + $studentTable.=''; + my %form = ('CODE' => $env{'form.CODE'},); + if ($env{'form.vProb'} eq 'yes' ) { + $studentTable.=&show_problem($request,$symbx,$uname,$udom,1, + undef,'both',\%form); + } else { + my $companswer = &Apache::loncommon::get_student_answers($symbx,$uname,$udom,$env{'request.course.id'},%form); + $companswer =~ s|||g; + $companswer =~ s|||g; +# while ($companswer =~ /()/s) { #\n"); +# } +# $companswer =~ s||
|g; + $studentTable.=' '.$title.' 
 '.&mt('Correct answer:
[_1]',$companswer); + } + + my %record = &Apache::lonnet::restore($symbx,$env{'request.course.id'},$udom,$uname); + + if ($env{'form.lastSub'} eq 'datesub') { + if ($record{'version'} eq '') { + $studentTable.='
 '.&mt('No recorded submission for this problem.').'
'; + } else { + my %responseType = (); + foreach my $partid (@{$parts}) { + my @responseIds =$curRes->responseIds($partid); + my @responseType =$curRes->responseType($partid); + my %responseIds; + for (my $i=0;$i<=$#responseIds;$i++) { + $responseIds{$responseIds[$i]}=$responseType[$i]; + } + $responseType{$partid} = \%responseIds; + } + $studentTable.= &displaySubByDates($symbx,\%record,$parts,\%responseType,$checkIcon,$uname,$udom); + + } + } elsif ($env{'form.lastSub'} eq 'all') { + my $last = ($env{'form.lastSub'} eq 'last' ? 'last' : ''); + $studentTable.=&Apache::loncommon::get_previous_attempt($symbx,$uname,$udom, + $env{'request.course.id'}, + '','.submission'); + + } + if (&canmodify($usec)) { + foreach my $partid (@{$parts}) { + $studentTable.=&gradeBox($request,$symbx,$uname,$udom,$question,$partid,\%record); + $studentTable.=''."\n"; + $question++; + } + $prob++; + } + $studentTable.=''; + + } + $curRes = $iterator->next(); + } + + $studentTable.='
'."\n". + ''. + ''."\n"; + $studentTable.=&show_grading_menu_form($symb); + $request->print($studentTable); + + return ''; } -sub handler { - my $request=$_[0]; +sub displaySubByDates { + my ($symb,$record,$parts,$responseType,$checkIcon,$uname,$udom) = @_; + my $isCODE=0; + my $isTask = ($symb =~/\.task$/); + if (exists($record->{'resource.CODE'})) { $isCODE=1; } + my $studentTable=&Apache::loncommon::start_data_table(). + &Apache::loncommon::start_data_table_header_row(). + ''.&mt('Date/Time').''. + ($isCODE?''.&mt('CODE').'':''). + ''.&mt('Submission').''. + ''.&mt('Status').''. + &Apache::loncommon::end_data_table_header_row(); + my ($version); + my %mark; + my %orders; + $mark{'correct_by_student'} = $checkIcon; + if (!exists($$record{'1:timestamp'})) { + return '
 '.&mt('Nothing submitted - no attempts').'
'; + } - if ($ENV{'browser.mathml'}) { - $request->content_type('text/xml'); - } else { - $request->content_type('text/html'); - } - $request->send_http_header; - return OK if $request->header_only; - &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}); - my $url=$ENV{'form.url'}; - my $symb=$ENV{'form.symb'}; - my $command=$ENV{'form.command'}; - if (!$url) { - my ($temp1,$temp2); - ($temp1,$temp2,$ENV{'form.url'})=split(/___/,$symb); - $url = $ENV{'form.url'}; - } - &send_header($request); - if ($url eq '' && $symb eq '') { - if ($ENV{'user.adv'}) { - if (($ENV{'form.codeone'}) && ($ENV{'form.codetwo'}) && - ($ENV{'form.codethree'})) { - my $token=$ENV{'form.codeone'}.'*'.$ENV{'form.codetwo'}.'*'. - $ENV{'form.codethree'}; - my ($tsymb,$tuname,$tudom,$tcrsid)= - &Apache::lonnet::checkin($token); - if ($tsymb) { - my ($map,$id,$url)=split(/\_\_\_/,$tsymb); - if (&Apache::lonnet::allowed('mgr',$tcrsid)) { - $request->print( - &Apache::lonnet::ssi('/res/'.$url, - ('grade_username' => $tuname, - 'grade_domain' => $tudom, - 'grade_courseid' => $tcrsid, - 'grade_symb' => $tsymb))); - } else { - $request->print('

Not authorized: '.$token.'

'); - } + my $interaction; + for ($version=1;$version<=$$record{'version'};$version++) { + my $timestamp = + &Apache::lonlocal::locallocaltime($$record{$version.':timestamp'}); + if (exists($$record{$version.':resource.0.version'})) { + $interaction = $$record{$version.':resource.0.version'}; + } + + my $where = ($isTask ? "$version:resource.$interaction" + : "$version:resource"); + $studentTable.=&Apache::loncommon::start_data_table_row(). + ''.$timestamp.''; + if ($isCODE) { + $studentTable.=''.$record->{$version.':resource.CODE'}.''; + } + my @versionKeys = split(/\:/,$$record{$version.':keys'}); + my @displaySub = (); + foreach my $partid (@{$parts}) { + my @matchKey = ($isTask ? sort(grep /^resource\.\d+\.\Q$partid\E\.award$/,@versionKeys) + : sort(grep /^resource\.\Q$partid\E\..*?\.submission$/,@versionKeys)); + + +# next if ($$record{"$version:resource.$partid.solved"} eq ''); + my $display_part=&get_display_part($partid,$symb); + foreach my $matchKey (@matchKey) { + if (exists($$record{$version.':'.$matchKey}) && + $$record{$version.':'.$matchKey} ne '') { + + my ($responseId)= ($isTask ? ($matchKey=~ /^resource\.(.*?)\.\Q$partid\E\.award$/) + : ($matchKey=~ /^resource\.\Q$partid\E\.(.*?)\.submission$/)); + $displaySub[0].=''.&mt('Part:').' '.$display_part.' '; + $displaySub[0].='('.&mt('ID').' '. + $responseId.') '; + if ($$record{"$where.$partid.tries"} eq '') { + $displaySub[0].=&mt('Trial not counted'); + } else { + $displaySub[0].=&mt('Trial [_1]', + $$record{"$where.$partid.tries"}); + } + my $responseType=($isTask ? 'Task' + : $responseType->{$partid}->{$responseId}); + if (!exists($orders{$partid})) { $orders{$partid}={}; } + if (!exists($orders{$partid}->{$responseId})) { + $orders{$partid}->{$responseId}= + &get_order($partid,$responseId,$symb,$uname,$udom); + } + $displaySub[0].='  '. + &cleanRecord($$record{$version.':'.$matchKey},$responseType,$symb,$partid,$responseId,$record,$orders{$partid}->{$responseId},"$version:",$uname,$udom).'
'; + } + } + if (exists($$record{"$where.$partid.checkedin"})) { + $displaySub[1].=&mt('Checked in by [_1] into slot [_2]', + $$record{"$where.$partid.checkedin"}, + $$record{"$where.$partid.checkedin.slot"}). + '
'; + } + if (exists $$record{"$where.$partid.award"}) { + $displaySub[1].=''.&mt('Part:').' '.$display_part.'  '. + lc($$record{"$where.$partid.award"}).' '. + $mark{$$record{"$where.$partid.solved"}}. + '
'; + } + if (exists $$record{"$where.$partid.regrader"}) { + $displaySub[2].=$$record{"$where.$partid.regrader"}. + ' ('.&mt('Part').': '.$display_part.')'; + } elsif ($$record{"$version:resource.$partid.regrader"} =~ /\S/) { + $displaySub[2].= + $$record{"$version:resource.$partid.regrader"}. + ' ('.&mt('Part').': '.$display_part.')'; + } + } + # needed because old essay regrader has not parts info + if (exists $$record{"$version:resource.regrader"}) { + $displaySub[2].=$$record{"$version:resource.regrader"}; + } + $studentTable.=''.$displaySub[0].' '.$displaySub[1]; + if ($displaySub[2]) { + $studentTable.=&mt('Manually graded by [_1]',$displaySub[2]); + } + $studentTable.=' '. + &Apache::loncommon::end_data_table_row(); + } + $studentTable.=&Apache::loncommon::end_data_table(); + return $studentTable; +} + +sub updateGradeByPage { + my ($request) = shift; + + my $cdom = $env{"course.$env{'request.course.id'}.domain"}; + my $cnum = $env{"course.$env{'request.course.id'}.num"}; + my $getsec = $env{'form.section'} eq '' ? 'all' : $env{'form.section'}; + my $pageTitle = $env{'form.page'}; + my ($classlist,undef,$fullname) = &getclasslist($getsec,'1'); + my ($uname,$udom) = split(/:/,$env{'form.student'}); + my $usec=$classlist->{$env{'form.student'}}[5]; + if (!&canmodify($usec)) { + $request->print('Unable to modify requested student.('.$env{'form.student'}.''); + $request->print(&show_grading_menu_form($env{'form.symb'})); + return; + } + my $result='

 '.$env{'form.title'}.'

'; + $result.='

 Student: '.&nameUserString(undef,$env{'form.fullname'},$uname,$udom). + '

'."\n"; + + $request->print($result); + + my $navmap = Apache::lonnavmaps::navmap->new(); + my ($mapUrl, $id, $resUrl) = &Apache::lonnet::decode_symb( $env{'form.page'}); + my $map = $navmap->getResourceByUrl($resUrl); # add to navmaps + if (!$map) { + $request->print('Unable to grade requested sequence. ('.$resUrl.')'); + my ($symb)=&get_symb($request); + $request->print(&show_grading_menu_form($symb)); + return; + } + my $iterator = $navmap->getIterator($map->map_start(), + $map->map_finish()); + + my $studentTable= + &Apache::loncommon::start_data_table(). + &Apache::loncommon::start_data_table_header_row(). + ' '.&mt('Prob.').' '. + ' '.&mt('Title').' '. + ' '.&mt('Previous Score').' '. + ' '.&mt('New Score').' '. + &Apache::loncommon::end_data_table_header_row(); + + $iterator->next(); # skip the first BEGIN_MAP + my $curRes = $iterator->next(); # for "current resource" + my ($depth,$question,$prob,$changeflag)= (1,1,1,0); + while ($depth > 0) { + if($curRes == $iterator->BEGIN_MAP) { $depth++; } + if($curRes == $iterator->END_MAP) { $depth--; } + + if (ref($curRes) && $curRes->is_problem()) { + my $parts = $curRes->parts(); + my $title = $curRes->compTitle(); + my $symbx = $curRes->symb(); + $studentTable.= + &Apache::loncommon::start_data_table_row(). + ''.$prob. + (scalar(@{$parts}) == 1 ? '' + : '
('.&mt('[quant,_1, parts]',scalar(@{$parts})) + ).')'; + $studentTable.=' '.$title.' '; + + my %newrecord=(); + my @displayPts=(); + my %aggregate = (); + my $aggregateflag = 0; + foreach my $partid (@{$parts}) { + my $newpts = $env{'form.GD_BOX'.$question.'_'.$partid}; + my $oldpts = $env{'form.oldpts'.$question.'_'.$partid}; + + my $wgt = $env{'form.WGT'.$question.'_'.$partid} != 0 ? + $env{'form.WGT'.$question.'_'.$partid} : 1; + my $partial = $newpts/$wgt; + my $score; + if ($partial > 0) { + $score = 'correct_by_override'; + } elsif ($newpts ne '') { #empty is taken as 0 + $score = 'incorrect_by_override'; + } + my $dropMenu = $env{'form.GD_SEL'.$question.'_'.$partid}; + if ($dropMenu eq 'excused') { + $partial = ''; + $score = 'excused'; + } elsif ($dropMenu eq 'reset status' + && $env{'form.solved'.$question.'_'.$partid} ne '') { #update only if previous record exists + $newrecord{'resource.'.$partid.'.tries'} = 0; + $newrecord{'resource.'.$partid.'.solved'} = ''; + $newrecord{'resource.'.$partid.'.award'} = ''; + $newrecord{'resource.'.$partid.'.awarded'} = 0; + $newrecord{'resource.'.$partid.'.regrader'} = "$env{'user.name'}:$env{'user.domain'}"; + $changeflag++; + $newpts = ''; + + my $aggtries = $env{'form.aggtries'.$question.'_'.$partid}; + my $totaltries = $env{'form.totaltries'.$question.'_'.$partid}; + my $solvedstatus = $env{'form.solved'.$question.'_'.$partid}; + if ($aggtries > 0) { + &decrement_aggs($symbx,$partid,\%aggregate,$aggtries,$totaltries,$solvedstatus); + $aggregateflag = 1; + } + } + my $display_part=&get_display_part($partid,$curRes->symb()); + my $oldstatus = $env{'form.solved'.$question.'_'.$partid}; + $displayPts[0].=' Part: '.$display_part.' = '. + (($oldstatus eq 'excused') ? 'excused' : $oldpts). + ' 
'; + $displayPts[1].=' Part: '.$display_part.' = '. + (($score eq 'excused') ? 'excused' : $newpts). + ' 
'; + $question++; + next if ($dropMenu eq 'reset status' || ($newpts eq $oldpts && $score ne 'excused')); + + $newrecord{'resource.'.$partid.'.awarded'} = $partial if $partial ne ''; + $newrecord{'resource.'.$partid.'.solved'} = $score if $score ne ''; + $newrecord{'resource.'.$partid.'.regrader'} = "$env{'user.name'}:$env{'user.domain'}" + if (scalar(keys(%newrecord)) > 0); + + $changeflag++; + } + if (scalar(keys(%newrecord)) > 0) { + my %record = + &Apache::lonnet::restore($symbx,$env{'request.course.id'}, + $udom,$uname); + + if (&Apache::lonnet::validCODE($env{'form.CODE'})) { + $newrecord{'resource.CODE'} = $env{'form.CODE'}; + } elsif (&Apache::lonnet::validCODE($record{'resource.CODE'})) { + $newrecord{'resource.CODE'} = ''; + } + &Apache::lonnet::cstore(\%newrecord,$symbx,$env{'request.course.id'}, + $udom,$uname); + %record = &Apache::lonnet::restore($symbx, + $env{'request.course.id'}, + $udom,$uname); + &check_and_remove_from_queue($parts,\%record,undef,$symbx, + $cdom,$cnum,$udom,$uname); + } + + if ($aggregateflag) { + &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate, + $env{'course.'.$env{'request.course.id'}.'.domain'}, + $env{'course.'.$env{'request.course.id'}.'.num'}); + } + + $studentTable.=''.$displayPts[0].''. + ''.$displayPts[1].''. + &Apache::loncommon::end_data_table_row(); + + $prob++; + } + $curRes = $iterator->next(); + } + + $studentTable.=&Apache::loncommon::end_data_table(); + $studentTable.=&show_grading_menu_form($env{'form.symb'}); + my $grademsg=($changeflag == 0 ? 'No score was changed or updated.' : + 'The scores were changed for '. + $changeflag.' problem'.($changeflag == 1 ? '.' : 's.')); + $request->print($grademsg.$studentTable); + + return ''; +} + +#-------- end of section for handling grading by page/sequence --------- +# +#------------------------------------------------------------------- + +#--------------------Scantron Grading----------------------------------- +# +#------ start of section for handling grading by page/sequence --------- + +=pod + +=head1 Bubble sheet grading routines + + For this documentation: + + 'scanline' refers to the full line of characters + from the file that we are parsing that represents one entire sheet + + 'bubble line' refers to the data + representing the line of bubbles that are on the physical bubble sheet + + +The overall process is that a scanned in bubble sheet data is uploaded +into a course. When a user wants to grade, they select a +sequence/folder of resources, a file of bubble sheet info, and pick +one of the predefined configurations for what each scanline looks +like. + +Next each scanline is checked for any errors of either 'missing +bubbles' (it's an error because it may have been mis-scanned +because too light bubbling), 'double bubble' (each bubble line should +have no more that one letter picked), invalid or duplicated CODE, +invalid student ID + +If the CODE option is used that determines the randomization of the +homework problems, either way the student ID is looked up into a +username:domain. + +During the validation phase the instructor can choose to skip scanlines. + +After the validation phase, there are now 3 bubble sheet files + + scantron_original_filename (unmodified original file) + scantron_corrected_filename (file where the corrected information has replaced the original information) + scantron_skipped_filename (contains the exact text of scanlines that where skipped) + +Also there is a separate hash nohist_scantrondata that contains extra +correction information that isn't representable in the bubble sheet +file (see &scantron_getfile() for more information) + +After all scanlines are either valid, marked as valid or skipped, then +foreach line foreach problem in the picked sequence, an ssi request is +made that simulates a user submitting their selected letter(s) against +the homework problem. + +=over 4 + + + +=item defaultFormData + + Returns html hidden inputs used to hold context/default values. + + Arguments: + $symb - $symb of the current resource + +=cut + +sub defaultFormData { + my ($symb)=@_; + return ''."\n". + ''."\n". + ''."\n"; +} + + +=pod + +=item getSequenceDropDown + + Return html dropdown of possible sequences to grade + + Arguments: + $symb - $symb of the current resource + +=cut + +sub getSequenceDropDown { + my ($symb)=@_; + my $result=''; + return $result; +} + +my %bubble_lines_per_response; # no. bubble lines for each response. + # index is "symb.part_id" + +my %first_bubble_line; # First bubble line no. for each bubble. + +my %subdivided_bubble_lines; # no. bubble lines for optionresponse, + # matchresponse or rankresponse, where + # an individual response can have multiple + # lines + +my %responsetype_per_response; # responsetype for each response + +# Save and restore the bubble lines array to the form env. + + +sub save_bubble_lines { + foreach my $line (keys(%bubble_lines_per_response)) { + $env{"form.scantron.bubblelines.$line"} = $bubble_lines_per_response{$line}; + $env{"form.scantron.first_bubble_line.$line"} = + $first_bubble_line{$line}; + $env{"form.scantron.sub_bubblelines.$line"} = + $subdivided_bubble_lines{$line}; + $env{"form.scantron.responsetype.$line"} = + $responsetype_per_response{$line}; + } +} + + +sub restore_bubble_lines { + my $line = 0; + %bubble_lines_per_response = (); + while ($env{"form.scantron.bubblelines.$line"}) { + my $value = $env{"form.scantron.bubblelines.$line"}; + $bubble_lines_per_response{$line} = $value; + $first_bubble_line{$line} = + $env{"form.scantron.first_bubble_line.$line"}; + $subdivided_bubble_lines{$line} = + $env{"form.scantron.sub_bubblelines.$line"}; + $responsetype_per_response{$line} = + $env{"form.scantron.responsetype.$line"}; + $line++; + } + +} + +# Given the parsed scanline, get the response for +# 'answer' number n: + +sub get_response_bubbles { + my ($parsed_line, $response) = @_; + + + my $bubble_line = $first_bubble_line{$response-1} +1; + my $bubble_lines= $bubble_lines_per_response{$response-1}; + + my $selected = ""; + + for (my $bline = 0; $bline < $bubble_lines; $bline++) { + $selected .= $$parsed_line{"scantron.$bubble_line.answer"}.":"; + $bubble_line++; + } + return $selected; +} + +=pod + +=item scantron_filenames + + Returns a list of the scantron files in the current course + +=cut + +sub scantron_filenames { + my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'}; + my $cname=$env{'course.'.$env{'request.course.id'}.'.num'}; + my @files=&Apache::lonnet::dirlist('userfiles',$cdom,$cname, + &propath($cdom,$cname)); + my @possiblenames; + foreach my $filename (sort(@files)) { + ($filename)=split(/&/,$filename); + if ($filename!~/^scantron_orig_/) { next ; } + $filename=~s/^scantron_orig_//; + push(@possiblenames,$filename); + } + return @possiblenames; +} + +=pod + +=item scantron_uploads + + Returns html drop-down list of scantron files in current course. + + Arguments: + $file2grade - filename to set as selected in the dropdown + +=cut + +sub scantron_uploads { + my ($file2grade) = @_; + my $result= '"; + return $result; +} + +=pod + +=item scantron_scantab + + Returns html drop down of the scantron formats in the scantronformat.tab + file. + +=cut + +sub scantron_scantab { + my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab'); + my $result=''."\n"; + + return $result; +} + +=pod + +=item scantron_CODElist + + Returns html drop down of the saved CODE lists from current course, + generated from earlier printings. + +=cut + +sub scantron_CODElist { + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum); + my $namechoice=''; + foreach my $name (sort {uc($a) cmp uc($b)} @names) { + if ($name =~ /^error: 2 /) { next; } + if ($name =~ /^type\0/) { next; } + $namechoice.=''; + } + $namechoice=''; + return $namechoice; +} + +=pod + +=item scantron_CODEunique + + Returns the html for "Each CODE to be used once" radio. + +=cut + +sub scantron_CODEunique { + my $result=' + + + + + '; + return $result; +} + +=pod + +=item scantron_selectphase + + Generates the initial screen to start the bubble sheet process. + Allows for - starting a grading run. + - downloading existing scan data (original, corrected + or skipped info) + + - uploading new scan data + + Arguments: + $r - The Apache request object + $file2grade - name of the file that contain the scanned data to score + +=cut + +sub scantron_selectphase { + my ($r,$file2grade) = @_; + my ($symb)=&get_symb($r); + if (!$symb) {return '';} + my $sequence_selector=&getSequenceDropDown($symb); + my $default_form_data=&defaultFormData($symb); + my $grading_menu_button=&show_grading_menu_form($symb); + my $file_selector=&scantron_uploads($file2grade); + my $format_selector=&scantron_scantab(); + my $CODE_selector=&scantron_CODElist(); + my $CODE_unique=&scantron_CODEunique(); + my $result; + + $ssi_error = 0; + + # Chunk of form to prompt for a file to grade and how: + + $result.= ' +
+
+ + '.$default_form_data.' + '.&Apache::loncommon::start_data_table('LC_scantron_action').' + '.&Apache::loncommon::start_data_table_header_row().' + +  '.&mt('Specify file and which Folder/Sequence to grade').' + + '.&Apache::loncommon::end_data_table_header_row().' + '.&Apache::loncommon::start_data_table_row().' + '.&mt('Sequence to grade:').' '.$sequence_selector.' + '.&Apache::loncommon::end_data_table_row().' + '.&Apache::loncommon::start_data_table_row().' + '.&mt('Filename of scoring office file:').' '.$file_selector.' + '.&Apache::loncommon::end_data_table_row().' + '.&Apache::loncommon::start_data_table_row().' + '.&mt('Format of data file:').' '.$format_selector.' + '.&Apache::loncommon::end_data_table_row().' + '.&Apache::loncommon::start_data_table_row().' + '.&mt('Saved CODEs to validate against:').' '.$CODE_selector.' + '.&Apache::loncommon::end_data_table_row().' + '.&Apache::loncommon::start_data_table_row().' + '.&mt('Each CODE is only to be used once:').' '.$CODE_unique.' + '.&Apache::loncommon::end_data_table_row().' + '.&Apache::loncommon::start_data_table_row().' + '.&mt('Options:').' + +
+
+ + + '.&Apache::loncommon::end_data_table_row().' + '.&Apache::loncommon::start_data_table_row().' + + + + '.&Apache::loncommon::end_data_table_row().' + '.&Apache::loncommon::end_data_table().' +
+'; + + $r->print($result); + + if (&Apache::lonnet::allowed('usc',$env{'request.role.domain'}) || + &Apache::lonnet::allowed('usc',$env{'request.course.id'})) { + + # Chunk of form to prompt for a scantron file upload. + + $r->print(' +
+ '.&Apache::loncommon::start_data_table('LC_scantron_action').' + '.&Apache::loncommon::start_data_table_header_row().' + +  '.&mt('Specify a Scantron data file to upload.').' + + '.&Apache::loncommon::end_data_table_header_row().' + '.&Apache::loncommon::start_data_table_row().' + +'); + my $default_form_data=&defaultFormData(&get_symb($r,1)); + my $cdom= $env{'course.'.$env{'request.course.id'}.'.domain'}; + my $cnum= $env{'course.'.$env{'request.course.id'}.'.num'}; + $r->print(' + + +
+ '.$default_form_data.' + + + + '.&mt('File to upload: [_1]','').' +
+ +
+'); + + $r->print(' + + '.&Apache::loncommon::end_data_table_row().' + '.&Apache::loncommon::end_data_table().' +'); + } + + # Chunk of the form that prompts to view a scoring office file, + # corrected file, skipped records in a file. + + $r->print(' +
+
+ '.$default_form_data.' + + '.&Apache::loncommon::start_data_table('LC_scantron_action').' + '.&Apache::loncommon::start_data_table_header_row().' + +  '.&mt('Download a scoring office file').' + + '.&Apache::loncommon::end_data_table_header_row().' + '.&Apache::loncommon::start_data_table_row().' + '.&mt('Filename of scoring office file: [_1]',$file_selector).' +
+ + '.&Apache::loncommon::end_data_table_row().' + '.&Apache::loncommon::end_data_table().' +
+
+'); + + &Apache::lonpickcode::code_list($r,2); + $r->print($grading_menu_button); + return +} + +=pod + +=item get_scantron_config + + Parse and return the scantron configuration line selected as a + hash of configuration file fields. + + Arguments: + which - the name of the configuration to parse from the file. + + + Returns: + If the named configuration is not in the file, an empty + hash is returned. + a hash with the fields + name - internal name for the this configuration setup + description - text to display to operator that describes this config + CODElocation - if 0 or the string 'none' + - no CODE exists for this config + if -1 || the string 'letter' + - a CODE exists for this config and is + a string of letters + Unsupported value (but planned for future support) + if a positive integer + - The CODE exists as the first n items from + the question section of the form + if the string 'number' + - The CODE exists for this config and is + a string of numbers + CODEstart - (only matter if a CODE exists) column in the line where + the CODE starts + CODElength - length of the CODE + IDstart - column where the student ID number starts + IDlength - length of the student ID info + Qstart - column where the information from the bubbled + 'questions' start + Qlength - number of columns comprising a single bubble line from + the sheet. (usually either 1 or 10) + Qon - either a single character representing the character used + to signal a bubble was chosen in the positional setup, or + the string 'letter' if the letter of the chosen bubble is + in the final, or 'number' if a number representing the + chosen bubble is in the file (1->A 0->J) + Qoff - the character used to represent that a bubble was + left blank + PaperID - if the scanning process generates a unique number for each + sheet scanned the column that this ID number starts in + PaperIDlength - number of columns that comprise the unique ID number + for the sheet of paper + FirstName - column that the first name starts in + FirstNameLength - number of columns that the first name spans + + LastName - column that the last name starts in + LastNameLength - number of columns that the last name spans + +=cut + +sub get_scantron_config { + my ($which) = @_; + my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab'); + my %config; + #FIXME probably should move to XML it has already gotten a bit much now + foreach my $line (<$fh>) { + my ($name,$descrip)=split(/:/,$line); + if ($name ne $which ) { next; } + chomp($line); + my @config=split(/:/,$line); + $config{'name'}=$config[0]; + $config{'description'}=$config[1]; + $config{'CODElocation'}=$config[2]; + $config{'CODEstart'}=$config[3]; + $config{'CODElength'}=$config[4]; + $config{'IDstart'}=$config[5]; + $config{'IDlength'}=$config[6]; + $config{'Qstart'}=$config[7]; + $config{'Qlength'}=$config[8]; + $config{'Qoff'}=$config[9]; + $config{'Qon'}=$config[10]; + $config{'PaperID'}=$config[11]; + $config{'PaperIDlength'}=$config[12]; + $config{'FirstName'}=$config[13]; + $config{'FirstNamelength'}=$config[14]; + $config{'LastName'}=$config[15]; + $config{'LastNamelength'}=$config[16]; + last; + } + return %config; +} + +=pod + +=item username_to_idmap + + creates a hash keyed by student id with values of the corresponding + student username:domain. + + Arguments: + + $classlist - reference to the class list hash. This is a hash + keyed by student name:domain whose elements are references + to arrays containing various chunks of information + about the student. (See loncoursedata for more info). + + Returns + %idmap - the constructed hash + +=cut + +sub username_to_idmap { + my ($classlist)= @_; + my %idmap; + foreach my $student (keys(%$classlist)) { + $idmap{$classlist->{$student}->[&Apache::loncoursedata::CL_ID]}= + $student; + } + return %idmap; +} + +=pod + +=item scantron_fixup_scanline + + Process a requested correction to a scanline. + + Arguments: + $scantron_config - hash from &get_scantron_config() + $scan_data - hash of correction information + (see &scantron_getfile()) + $line - existing scanline + $whichline - line number of the passed in scanline + $field - type of change to process + (either + 'ID' -> correct the student ID number + 'CODE' -> correct the CODE + 'answer' -> fixup the submitted answers) + + $args - hash of additional info, + - 'ID' + 'newid' -> studentID to use in replacement + of existing one + - 'CODE' + 'CODE_ignore_dup' - set to true if duplicates + should be ignored. + 'CODE' - is new code or 'use_unfound' + if the existing unfound code should + be used as is + - 'answer' + 'response' - new answer or 'none' if blank + 'question' - the bubble line to change + 'questionnum' - the question identifier, + may include subquestion. + + Returns: + $line - the modified scanline + + Side effects: + $scan_data - may be updated + +=cut + + +sub scantron_fixup_scanline { + my ($scantron_config,$scan_data,$line,$whichline,$field,$args)=@_; + if ($field eq 'ID') { + if (length($args->{'newid'}) > $$scantron_config{'IDlength'}) { + return ($line,1,'New value too large'); + } + if (length($args->{'newid'}) < $$scantron_config{'IDlength'}) { + $args->{'newid'}=sprintf('%-'.$$scantron_config{'IDlength'}.'s', + $args->{'newid'}); + } + substr($line,$$scantron_config{'IDstart'}-1, + $$scantron_config{'IDlength'})=$args->{'newid'}; + if ($args->{'newid'}=~/^\s*$/) { + &scan_data($scan_data,"$whichline.user", + $args->{'username'}.':'.$args->{'domain'}); + } + } elsif ($field eq 'CODE') { + if ($args->{'CODE_ignore_dup'}) { + &scan_data($scan_data,"$whichline.CODE_ignore_dup",'1'); + } + &scan_data($scan_data,"$whichline.useCODE",'1'); + if ($args->{'CODE'} ne 'use_unfound') { + if (length($args->{'CODE'}) > $$scantron_config{'CODElength'}) { + return ($line,1,'New CODE value too large'); + } + if (length($args->{'CODE'}) < $$scantron_config{'CODElength'}) { + $args->{'CODE'}=sprintf('%-'.$$scantron_config{'CODElength'}.'s',$args->{'CODE'}); + } + substr($line,$$scantron_config{'CODEstart'}-1, + $$scantron_config{'CODElength'})=$args->{'CODE'}; + } + } elsif ($field eq 'answer') { + my $length=$scantron_config->{'Qlength'}; + my $off=$scantron_config->{'Qoff'}; + my $on=$scantron_config->{'Qon'}; + my $answer=${off}x$length; + if ($args->{'response'} eq 'none') { + &scan_data($scan_data, + "$whichline.no_bubble.".$args->{'questionnum'},'1'); + } else { + if ($on eq 'letter') { + my @alphabet=('A'..'Z'); + $answer=$alphabet[$args->{'response'}]; + } elsif ($on eq 'number') { + $answer=$args->{'response'}+1; + if ($answer == 10) { $answer = '0'; } } else { - $request->print('

Not a valid DocID: '.$token.'

'); + substr($answer,$args->{'response'},1)=$on; + } + &scan_data($scan_data, + "$whichline.no_bubble.".$args->{'questionnum'},undef,'1'); + } + my $where=$length*($args->{'question'}-1)+$scantron_config->{'Qstart'}; + substr($line,$where-1,$length)=$answer; + } + return $line; +} + +=pod + +=item scan_data + + Edit or look up an item in the scan_data hash. + + Arguments: + $scan_data - The hash (see scantron_getfile) + $key - shorthand of the key to edit (actual key is + scantronfilename_key). + $data - New value of the hash entry. + $delete - If true, the entry is removed from the hash. + + Returns: + The new value of the hash table field (undefined if deleted). + +=cut + + +sub scan_data { + my ($scan_data,$key,$value,$delete)=@_; + my $filename=$env{'form.scantron_selectfile'}; + if (defined($value)) { + $scan_data->{$filename.'_'.$key} = $value; + } + if ($delete) { delete($scan_data->{$filename.'_'.$key}); } + return $scan_data->{$filename.'_'.$key}; +} + +# ----- These first few routines are general use routines.---- + +# Return the number of occurences of a pattern in a string. + +sub occurence_count { + my ($string, $pattern) = @_; + + my @matches = ($string =~ /$pattern/g); + + return scalar(@matches); +} + + +# Take a string known to have digits and convert all the +# digits into letters in the range J,A..I. + +sub digits_to_letters { + my ($input) = @_; + + my @alphabet = ('J', 'A'..'I'); + + my @input = split(//, $input); + my $output =''; + for (my $i = 0; $i < scalar(@input); $i++) { + if ($input[$i] =~ /\d/) { + $output .= $alphabet[$input[$i]]; + } else { + $output .= $input[$i]; + } + } + return $output; +} + +=pod + +=item scantron_parse_scanline + + Decodes a scanline from the selected scantron file + + Arguments: + line - The text of the scantron file line to process + whichline - Line number + scantron_config - Hash describing the format of the scantron lines. + scan_data - Hash of extra information about the scanline + (see scantron_getfile for more information) + just_header - True if should not process question answers but only + the stuff to the left of the answers. + Returns: + Hash containing the result of parsing the scanline + + Keys are all proceeded by the string 'scantron.' + + CODE - the CODE in use for this scanline + useCODE - 1 if the CODE is invalid but it usage has been forced + by the operator + CODE_ignore_dup - 1 if the CODE is a duplicated use when unique + CODEs were selected, but the usage has been + forced by the operator + ID - student ID + PaperID - if used, the ID number printed on the sheet when the + paper was scanned + FirstName - first name from the sheet + LastName - last name from the sheet + + if just_header was not true these key may also exist + + missingerror - a list of bubble ranges that are considered to be answers + to a single question that don't have any bubbles filled in. + Of the form questionnumber:firstbubblenumber:count. + doubleerror - a list of bubble ranges that are considered to be answers + to a single question that have more than one bubble filled in. + Of the form questionnumber::firstbubblenumber:count + + In the above, count is the number of bubble responses in the + input line needed to represent the possible answers to the question. + e.g. a radioresponse with 15 choices in an answer sheet with 10 choices + per line would have count = 2. + + maxquest - the number of the last bubble line that was parsed + + ( starts at 1) + .answer - zero or more letters representing the selected + letters from the scanline for the bubble line + . + if blank there was either no bubble or there where + multiple bubbles, (consult the keys missingerror and + doubleerror if this is an error condition) + +=cut + +sub scantron_parse_scanline { + my ($line,$whichline,$scantron_config,$scan_data,$just_header)=@_; + + my %record; + my $questions=substr($line,$$scantron_config{'Qstart'}-1); # Answers + my $data=substr($line,0,$$scantron_config{'Qstart'}-1); # earlier stuff + if (!($$scantron_config{'CODElocation'} eq 0 || + $$scantron_config{'CODElocation'} eq 'none')) { + if ($$scantron_config{'CODElocation'} < 0 || + $$scantron_config{'CODElocation'} eq 'letter' || + $$scantron_config{'CODElocation'} eq 'number') { + $record{'scantron.CODE'}=substr($data, + $$scantron_config{'CODEstart'}-1, + $$scantron_config{'CODElength'}); + if (&scan_data($scan_data,"$whichline.useCODE")) { + $record{'scantron.useCODE'}=1; + } + if (&scan_data($scan_data,"$whichline.CODE_ignore_dup")) { + $record{'scantron.CODE_ignore_dup'}=1; + } + } else { + #FIXME interpret first N questions + } + } + $record{'scantron.ID'}=substr($data,$$scantron_config{'IDstart'}-1, + $$scantron_config{'IDlength'}); + $record{'scantron.PaperID'}= + substr($data,$$scantron_config{'PaperID'}-1, + $$scantron_config{'PaperIDlength'}); + $record{'scantron.FirstName'}= + substr($data,$$scantron_config{'FirstName'}-1, + $$scantron_config{'FirstNamelength'}); + $record{'scantron.LastName'}= + substr($data,$$scantron_config{'LastName'}-1, + $$scantron_config{'LastNamelength'}); + if ($just_header) { return \%record; } + + my @alphabet=('A'..'Z'); + my $questnum=0; + my $ansnum =1; # Multiple 'answer lines'/question. + + chomp($questions); # Get rid of any trailing \n. + $questions =~ s/\r$//; # Get rid of trailing \r too (MAC or Win uploads). + while (length($questions)) { + my $answers_needed = $bubble_lines_per_response{$questnum}; + my $answer_length = ($$scantron_config{'Qlength'} * $answers_needed) + || 1; + $questnum++; + my $quest_id = $questnum; + my $currentquest = substr($questions,0,$answer_length); + $questions = substr($questions,$answer_length); + if (length($currentquest) < $answer_length) { next; } + + if ($subdivided_bubble_lines{$questnum-1} =~ /,/) { + my $subquestnum = 1; + my $subquestions = $currentquest; + my @subanswers_needed = + split(/,/,$subdivided_bubble_lines{$questnum-1}); + foreach my $subans (@subanswers_needed) { + my $subans_length = + ($$scantron_config{'Qlength'} * $subans) || 1; + my $currsubquest = substr($subquestions,0,$subans_length); + $subquestions = substr($subquestions,$subans_length); + $quest_id = "$questnum.$subquestnum"; + if (($$scantron_config{'Qon'} eq 'letter') || + ($$scantron_config{'Qon'} eq 'number')) { + $ansnum = &scantron_validator_lettnum($ansnum, + $questnum,$quest_id,$subans,$currsubquest,$whichline, + \@alphabet,\%record,$scantron_config,$scan_data); + } else { + $ansnum = &scantron_validator_positional($ansnum, + $questnum,$quest_id,$subans,$currsubquest,$whichline, \@alphabet,\%record,$scantron_config,$scan_data); + } + $subquestnum ++; + } + } else { + if (($$scantron_config{'Qon'} eq 'letter') || + ($$scantron_config{'Qon'} eq 'number')) { + $ansnum = &scantron_validator_lettnum($ansnum,$questnum, + $quest_id,$answers_needed,$currentquest,$whichline, + \@alphabet,\%record,$scantron_config,$scan_data); + } else { + $ansnum = &scantron_validator_positional($ansnum,$questnum, + $quest_id,$answers_needed,$currentquest,$whichline, + \@alphabet,\%record,$scantron_config,$scan_data); + } + } + } + $record{'scantron.maxquest'}=$questnum; + return \%record; +} + +sub scantron_validator_lettnum { + my ($ansnum,$questnum,$quest_id,$answers_needed,$currquest,$whichline, + $alphabet,$record,$scantron_config,$scan_data) = @_; + + # Qon 'letter' implies for each slot in currquest we have: + # ? or * for doubles, a letter in A-Z for a bubble, and + # about anything else (esp. a value of Qoff) for missing + # bubbles. + # + # Qon 'number' implies each slot gives a digit that indexes the + # bubbles filled, or Qoff, or a non-number for unbubbled lines, + # and * or ? for double bubbles on a single line. + # + + my $matchon; + if ($$scantron_config{'Qon'} eq 'letter') { + $matchon = '[A-Z]'; + } elsif ($$scantron_config{'Qon'} eq 'number') { + $matchon = '\d'; + } + my $occurrences = 0; + if (($responsetype_per_response{$questnum-1} eq 'essayresponse') || + ($responsetype_per_response{$questnum-1} eq 'formularesponse') || + ($responsetype_per_response{$questnum-1} eq 'stringresponse') || + ($responsetype_per_response{$questnum-1} eq 'imageresponse') || + ($responsetype_per_response{$questnum-1} eq 'reactionresponse') || + ($responsetype_per_response{$questnum-1} eq 'organicresponse')) { + my @singlelines = split('',$currquest); + foreach my $entry (@singlelines) { + $occurrences = &occurence_count($entry,$matchon); + if ($occurrences > 1) { + last; } - } else { - $request->print(&Apache::lonxml::tokeninputfield()); + } + } else { + $occurrences = &occurence_count($currquest,$matchon); + } + if (($currquest =~ /\?/ || $currquest =~ /\*/) || ($occurrences > 1)) { + push(@{$record->{'scantron.doubleerror'}},$quest_id); + for (my $ans=0; $ans<$answers_needed; $ans++) { + my $bubble = substr($currquest,$ans,1); + if ($bubble =~ /$matchon/ ) { + if ($$scantron_config{'Qon'} eq 'number') { + if ($bubble == 0) { + $bubble = 10; + } + $record->{"scantron.$ansnum.answer"} = + $alphabet->[$bubble-1]; + } else { + $record->{"scantron.$ansnum.answer"} = $bubble; + } + } else { + $record->{"scantron.$ansnum.answer"}=''; + } + $ansnum++; + } + } elsif (!defined($currquest) + || (&occurence_count($currquest, $$scantron_config{'Qoff'}) == length($currquest)) + || (&occurence_count($currquest,$matchon) == 0)) { + for (my $ans=0; $ans<$answers_needed; $ans++ ) { + $record->{"scantron.$ansnum.answer"}=''; + $ansnum++; + } + if (!&scan_data($scan_data,"$whichline.no_bubble.$quest_id")) { + push(@{$record->{'scantron.missingerror'}},$quest_id); + } + } else { + if ($$scantron_config{'Qon'} eq 'number') { + $currquest = &digits_to_letters($currquest); + } + for (my $ans=0; $ans<$answers_needed; $ans++) { + my $bubble = substr($currquest,$ans,1); + $record->{"scantron.$ansnum.answer"} = $bubble; + $ansnum++; + } + } + return $ansnum; +} + +sub scantron_validator_positional { + my ($ansnum,$questnum,$quest_id,$answers_needed,$currquest, + $whichline,$alphabet,$record,$scantron_config,$scan_data) = @_; + + # Otherwise there's a positional notation; + # each bubble line requires Qlength items, and there are filled in + # bubbles for each case where there 'Qon' characters. + # + + my @array=split($$scantron_config{'Qon'},$currquest,-1); + + # If the split only gives us one element.. the full length of the + # answer string, no bubbles are filled in: + + if ($answers_needed eq '') { + return; + } + + if (length($array[0]) eq $$scantron_config{'Qlength'}*$answers_needed) { + for (my $ans=0; $ans<$answers_needed; $ans++ ) { + $record->{"scantron.$ansnum.answer"}=''; + $ansnum++; + } + if (!&scan_data($scan_data,"$whichline.no_bubble.$quest_id")) { + push(@{$record->{"scantron.missingerror"}},$quest_id); + } + } elsif (scalar(@array) == 2) { + my $location = length($array[0]); + my $line_num = int($location / $$scantron_config{'Qlength'}); + my $bubble = $alphabet->[$location % $$scantron_config{'Qlength'}]; + for (my $ans=0; $ans<$answers_needed; $ans++) { + if ($ans eq $line_num) { + $record->{"scantron.$ansnum.answer"} = $bubble; + } else { + $record->{"scantron.$ansnum.answer"} = ' '; + } + $ansnum++; } - } - } else { - #&Apache::lonhomework::showhashsubset(\%ENV,'^form'); - $Apache::grades::viewgrades=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'}); - if ($command eq 'submission') { - &listStudents($request) if ($ENV{'form.student'} eq ''); - &submission($request,0,0) if ($ENV{'form.student'} ne ''); - } elsif ($command eq 'processGroup') { - &processGroup($request); - } elsif ($command eq 'gradingmenu') { - $request->print(&gradingmenu($request)); - } elsif ($command eq 'viewgrades') { - $request->print(&viewgrades($request)); - } elsif ($command eq 'handgrade') { - $request->print(&processHandGrade($request)); - } elsif ($command eq 'editgrades') { - $request->print(&editgrades($request)); - } elsif ($command eq 'verify') { - $request->print(&verifyreceipt($request)); - } elsif ($command eq 'csvupload') { - $request->print(&csvupload($request)); - } elsif ($command eq 'csvuploadmap') { - $request->print(&csvuploadmap($request)); -# } elsif ($command eq 'receiptInput') { -# &receiptInput($request); - } elsif ($command eq 'csvuploadassign') { - if ($ENV{'form.associate'} ne 'Reverse Association') { - $request->print(&csvuploadassign($request)); - } else { - if ( $ENV{'form.upfile_associate'} ne 'reverse' ) { - $ENV{'form.upfile_associate'} = 'reverse'; + } else { + # If there's more than one instance of a bubble character + # That's a double bubble; with positional notation we can + # record all the bubbles filled in as well as the + # fact this response consists of multiple bubbles. + # + if (($responsetype_per_response{$questnum-1} eq 'essayresponse') || + ($responsetype_per_response{$questnum-1} eq 'formularesponse') || + ($responsetype_per_response{$questnum-1} eq 'stringresponse') || + ($responsetype_per_response{$questnum-1} eq 'imageresponse') || + ($responsetype_per_response{$questnum-1} eq 'reactionresponse') || + ($responsetype_per_response{$questnum-1} eq 'organicresponse')) { + my $doubleerror = 0; + while (($currquest >= $$scantron_config{'Qlength'}) && + (!$doubleerror)) { + my $currline = substr($currquest,0,$$scantron_config{'Qlength'}); + $currquest = substr($currquest,$$scantron_config{'Qlength'}); + my @currarray = split($$scantron_config{'Qon'},$currline,-1); + if (length(@currarray) > 2) { + $doubleerror = 1; + } + } + if ($doubleerror) { + push(@{$record->{'scantron.doubleerror'}},$quest_id); + } + } else { + push(@{$record->{'scantron.doubleerror'}},$quest_id); + } + my $item = $ansnum; + for (my $ans=0; $ans<$answers_needed; $ans++) { + $record->{"scantron.$item.answer"} = ''; + $item ++; + } + + my @ans=@array; + my $i=0; + my $increment = 0; + while ($#ans) { + $i+=length($ans[0]) + $increment; + my $line = int($i/$$scantron_config{'Qlength'} + $ansnum); + my $bubble = $i%$$scantron_config{'Qlength'}; + $record->{"scantron.$line.answer"}.=$alphabet->[$bubble]; + shift(@ans); + $increment = 1; + } + $ansnum += $answers_needed; + } + return $ansnum; +} + +=pod + +=item scantron_add_delay + + Adds an error message that occurred during the grading phase to a + queue of messages to be shown after grading pass is complete + + Arguments: + $delayqueue - arrary ref of hash ref of error messages + $scanline - the scanline that caused the error + $errormesage - the error message + $errorcode - a numeric code for the error + + Side Effects: + updates the $delayqueue to have a new hash ref of the error + +=cut + +sub scantron_add_delay { + my ($delayqueue,$scanline,$errormessage,$errorcode)=@_; + push(@$delayqueue, + {'line' => $scanline, 'emsg' => $errormessage, + 'ecode' => $errorcode } + ); +} + +=pod + +=item scantron_find_student + + Finds the username for the current scanline + + Arguments: + $scantron_record - hash result from scantron_parse_scanline + $scan_data - hash of correction information + (see &scantron_getfile() form more information) + $idmap - hash from &username_to_idmap() + $line - number of current scanline + + Returns: + Either 'username:domain' or undef if unknown + +=cut + +sub scantron_find_student { + my ($scantron_record,$scan_data,$idmap,$line)=@_; + my $scanID=$$scantron_record{'scantron.ID'}; + if ($scanID =~ /^\s*$/) { + return &scan_data($scan_data,"$line.user"); + } + foreach my $id (keys(%$idmap)) { + if (lc($id) eq lc($scanID)) { + return $$idmap{$id}; + } + } + return undef; +} + +=pod + +=item scantron_filter + + Filter sub for lonnavmaps, filters out hidden resources if ignore + hidden resources was selected + +=cut + +sub scantron_filter { + my ($curres)=@_; + + if (ref($curres) && $curres->is_problem()) { + # if the user has asked to not have either hidden + # or 'randomout' controlled resources to be graded + # don't include them + if ($env{'form.scantron_options_hidden'} eq 'ignore_hidden' + && $curres->randomout) { + return 0; + } + return 1; + } + return 0; +} + +=pod + +=item scantron_process_corrections + + Gets correction information out of submitted form data and corrects + the scanline + +=cut + +sub scantron_process_corrections { + my ($r) = @_; + my %scantron_config=&get_scantron_config($env{'form.scantron_format'}); + my ($scanlines,$scan_data)=&scantron_getfile(); + my $classlist=&Apache::loncoursedata::get_classlist(); + my $which=$env{'form.scantron_line'}; + my $line=&scantron_get_line($scanlines,$scan_data,$which); + my ($skip,$err,$errmsg); + if ($env{'form.scantron_skip_record'}) { + $skip=1; + } elsif ($env{'form.scantron_corrections'} =~ /^(duplicate|incorrect)ID$/) { + my $newstudent=$env{'form.scantron_username'}.':'. + $env{'form.scantron_domain'}; + my $newid=$classlist->{$newstudent}->[&Apache::loncoursedata::CL_ID]; + ($line,$err,$errmsg)= + &scantron_fixup_scanline(\%scantron_config,$scan_data,$line,$which, + 'ID',{'newid'=>$newid, + 'username'=>$env{'form.scantron_username'}, + 'domain'=>$env{'form.scantron_domain'}}); + } elsif ($env{'form.scantron_corrections'} =~ /^(duplicate|incorrect)CODE$/) { + my $resolution=$env{'form.scantron_CODE_resolution'}; + my $newCODE; + my %args; + if ($resolution eq 'use_unfound') { + $newCODE='use_unfound'; + } elsif ($resolution eq 'use_found') { + $newCODE=$env{'form.scantron_CODE_selectedvalue'}; + } elsif ($resolution eq 'use_typed') { + $newCODE=$env{'form.scantron_CODE_newvalue'}; + } elsif ($resolution =~ /^use_closest_(\d+)/) { + $newCODE=$env{"form.scantron_CODE_closest_$1"}; + } + if ($env{'form.scantron_corrections'} eq 'duplicateCODE') { + $args{'CODE_ignore_dup'}=1; + } + $args{'CODE'}=$newCODE; + ($line,$err,$errmsg)= + &scantron_fixup_scanline(\%scantron_config,$scan_data,$line,$which, + 'CODE',\%args); + } elsif ($env{'form.scantron_corrections'} =~ /^(missing|double)bubble$/) { + foreach my $question (split(',',$env{'form.scantron_questions'})) { + ($line,$err,$errmsg)= + &scantron_fixup_scanline(\%scantron_config,$scan_data,$line, + $which,'answer', + { 'question'=>$question, + 'response'=>$env{"form.scantron_correct_Q_$question"}, + 'questionnum'=>$env{"form.scantron_questionnum_Q_$question"}}); + if ($err) { last; } + } + } + if ($err) { + $r->print("Unable to accept last correction, an error occurred :$errmsg:"); + } else { + &scantron_put_line($scanlines,$scan_data,$which,$line,$skip); + &scantron_putfile($scanlines,$scan_data); + } +} + +=pod + +=item reset_skipping_status + + Forgets the current set of remember skipped scanlines (and thus + reverts back to considering all lines in the + scantron_skipped_ file) + +=cut + +sub reset_skipping_status { + my ($scanlines,$scan_data)=&scantron_getfile(); + &scan_data($scan_data,'remember_skipping',undef,1); + &scantron_putfile(undef,$scan_data); +} + +=pod + +=item start_skipping + + Marks a scanline to be skipped. + +=cut + +sub start_skipping { + my ($scan_data,$i)=@_; + my %remembered=split(':',&scan_data($scan_data,'remember_skipping')); + if ($env{'form.scantron_options_redo'} =~ /^redo_/) { + $remembered{$i}=2; + } else { + $remembered{$i}=1; + } + &scan_data($scan_data,'remember_skipping',join(':',%remembered)); +} + +=pod + +=item should_be_skipped + + Checks whether a scanline should be skipped. + +=cut + +sub should_be_skipped { + my ($scanlines,$scan_data,$i)=@_; + if ($env{'form.scantron_options_redo'} !~ /^redo_/) { + # not redoing old skips + if ($scanlines->{'skipped'}[$i]) { return 1; } + return 0; + } + my %remembered=split(':',&scan_data($scan_data,'remember_skipping')); + + if (exists($remembered{$i}) && $remembered{$i} != 2 ) { + return 0; + } + return 1; +} + +=pod + +=item remember_current_skipped + + Discovers what scanlines are in the scantron_skipped_ + file and remembers them into scan_data for later use. + +=cut + +sub remember_current_skipped { + my ($scanlines,$scan_data)=&scantron_getfile(); + my %to_remember; + for (my $i=0;$i<=$scanlines->{'count'};$i++) { + if ($scanlines->{'skipped'}[$i]) { + $to_remember{$i}=1; + } + } + + &scan_data($scan_data,'remember_skipping',join(':',%to_remember)); + &scantron_putfile(undef,$scan_data); +} + +=pod + +=item check_for_error + + Checks if there was an error when attempting to remove a specific + scantron_.. bubble sheet data file. Prints out an error if + something went wrong. + +=cut + +sub check_for_error { + my ($r,$result)=@_; + if ($result ne 'ok' && $result ne 'not_found' ) { + $r->print(&mt("An error occurred ([_1]) when trying to remove the existing corrections.",$result)); + } +} + +=pod + +=item scantron_warning_screen + + Interstitial screen to make sure the operator has selected the + correct options before we start the validation phase. + +=cut + +sub scantron_warning_screen { + my ($button_text)=@_; + my $title=&Apache::lonnet::gettitle($env{'form.selectpage'}); + my %scantron_config=&get_scantron_config($env{'form.scantron_format'}); + my $CODElist; + if ($scantron_config{'CODElocation'} && + $scantron_config{'CODEstart'} && + $scantron_config{'CODElength'}) { + $CODElist=$env{'form.scantron_CODElist'}; + if ($env{'form.scantron_CODElist'} eq '') { $CODElist='None'; } + $CODElist= + ''.&mt('List of CODES to validate against:').''. + $env{'form.scantron_CODElist'}.''; + } + return (' +

+ +'.&mt('Please double check the information below before clicking on \'[_1]\'',&mt($button_text)).' +

+ + + +'.$CODElist.' +
'.&mt('Sequence to be Graded:').''.$title.'
'.&mt('Data File that will be used:').''.$env{'form.scantron_selectfile'}.'
+
+

'.&mt('If this information is correct, please click on \'[_1]\'.',&mt($button_text)).'

+

'.&mt('If something is incorrect, please click the \'Grading Menu\' button to start over.').'

+ +
+'); +} + +=pod + +=item scantron_do_warning + + Check if the operator has picked something for all required + fields. Error out if something is missing. + +=cut + +sub scantron_do_warning { + my ($r)=@_; + my ($symb)=&get_symb($r); + if (!$symb) {return '';} + my $default_form_data=&defaultFormData($symb); + $r->print(&scantron_form_start().$default_form_data); + if ( $env{'form.selectpage'} eq '' || + $env{'form.scantron_selectfile'} eq '' || + $env{'form.scantron_format'} eq '' ) { + $r->print("

".&mt('You have forgetten to specify some information. Please go Back and try again.')."

"); + if ( $env{'form.selectpage'} eq '') { + $r->print('

'.&mt('You have not selected a Sequence to grade').'

'); + } + if ( $env{'form.scantron_selectfile'} eq '') { + $r->print('

'.&mt('You have not selected a file that contains the student\'s response data.').'

'); + } + if ( $env{'form.scantron_format'} eq '') { + $r->print('

'.&mt('You have not selected a the format of the student\'s response data.').'

'); + } + } else { + my $warning=&scantron_warning_screen('Grading: Validate Records'); + $r->print(' +'.$warning.' + + +'); + } + $r->print("
".&show_grading_menu_form($symb)); + return ''; +} + +=pod + +=item scantron_form_start + + html hidden input for remembering all selected grading options + +=cut + +sub scantron_form_start { + my ($max_bubble)=@_; + my $result= < + + + + + + + + + +SCANTRONFORM + + my $line = 0; + while (defined($env{"form.scantron.bubblelines.$line"})) { + my $chunk = + ''."\n"; + $chunk .= + ''."\n"; + $chunk .= + ''."\n"; + $chunk .= + ''."\n"; + $result .= $chunk; + $line++; + } + return $result; +} + +=pod + +=item scantron_validate_file + + Dispatch routine for doing validation of a bubble sheet data file. + + Also processes any necessary information resets that need to + occur before validation begins (ignore previous corrections, + restarting the skipped records processing) + +=cut + +sub scantron_validate_file { + my ($r) = @_; + my ($symb)=&get_symb($r); + if (!$symb) {return '';} + my $default_form_data=&defaultFormData($symb); + + # do the detection of only doing skipped records first befroe we delete + # them when doing the corrections reset + if ($env{'form.scantron_options_redo'} ne 'redo_skipped_ready') { + &reset_skipping_status(); + } + if ($env{'form.scantron_options_redo'} eq 'redo_skipped') { + &remember_current_skipped(); + $env{'form.scantron_options_redo'}='redo_skipped_ready'; + } + + if ($env{'form.scantron_options_ignore'} eq 'ignore_corrections') { + &check_for_error($r,&scantron_remove_file('corrected')); + &check_for_error($r,&scantron_remove_file('skipped')); + &check_for_error($r,&scantron_remove_scan_data()); + $env{'form.scantron_options_ignore'}='done'; + } + + if ($env{'form.scantron_corrections'}) { + &scantron_process_corrections($r); + } + $r->print('

'.&mt('Gathering necessary information.').'

');$r->rflush(); + #get the student pick code ready + $r->print(&Apache::loncommon::studentbrowser_javascript()); + my $max_bubble=&scantron_get_maxbubble(); + my $result=&scantron_form_start($max_bubble).$default_form_data; + $r->print($result); + + my @validate_phases=( 'sequence', + 'ID', + 'CODE', + 'doublebubble', + 'missingbubbles'); + if (!$env{'form.validatepass'}) { + $env{'form.validatepass'} = 0; + } + my $currentphase=$env{'form.validatepass'}; + + + my $stop=0; + while (!$stop && $currentphase < scalar(@validate_phases)) { + $r->print(&mt('Validating '.$validate_phases[$currentphase]).'
'); + $r->rflush(); + my $which="scantron_validate_".$validate_phases[$currentphase]; + { + no strict 'refs'; + ($stop,$currentphase)=&$which($r,$currentphase); + } + } + if (!$stop) { + my $warning=&scantron_warning_screen('Start Grading'); + $r->print(&mt('Validation process complete.').'
+'.$warning.' + + +'); + + } else { + $r->print(''); + $r->print(""); + } + if ($stop) { + if ($validate_phases[$currentphase] eq 'sequence') { + $r->print(''); + $r->print(' '.&mt('this error').'
'); + + $r->print("

".&mt("Or click the 'Grading Menu' button to start over.")."

"); + } else { + if ($validate_phases[$currentphase] eq 'doublebubble' || $validate_phases[$currentphase] eq 'missingbubbles') { + $r->print(''); + } else { + $r->print(''); + } + $r->print(' '.&mt('using corrected info').'
'); + $r->print(""); + $r->print(" ".&mt("this scanline saving it for later.")); + } + } + $r->print("
".&show_grading_menu_form($symb)); + return ''; +} + + +=pod + +=item scantron_remove_file + + Removes the requested bubble sheet data file, makes sure that + scantron_original_ is never removed + + +=cut + +sub scantron_remove_file { + my ($which)=@_; + my $cname=$env{'course.'.$env{'request.course.id'}.'.num'}; + my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'}; + my $file='scantron_'; + if ($which eq 'corrected' || $which eq 'skipped') { + $file.=$which.'_'; + } else { + return 'refused'; + } + $file.=$env{'form.scantron_selectfile'}; + return &Apache::lonnet::removeuserfile($cname,$cdom,$file); +} + + +=pod + +=item scantron_remove_scan_data + + Removes all scan_data correction for the requested bubble sheet + data file. (In the case that both the are doing skipped records we need + to remember the old skipped lines for the time being so that element + persists for a while.) + +=cut + +sub scantron_remove_scan_data { + my $cname=$env{'course.'.$env{'request.course.id'}.'.num'}; + my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'}; + my @keys=&Apache::lonnet::getkeys('nohist_scantrondata',$cdom,$cname); + my @todelete; + my $filename=$env{'form.scantron_selectfile'}; + foreach my $key (@keys) { + if ($key=~/^\Q$filename\E_/) { + if ($env{'form.scantron_options_redo'} eq 'redo_skipped_ready' && + $key=~/remember_skipping/) { + next; + } + push(@todelete,$key); + } + } + my $result; + if (@todelete) { + $result = &Apache::lonnet::del('nohist_scantrondata', + \@todelete,$cdom,$cname); + } else { + $result = 'ok'; + } + return $result; +} + + +=pod + +=item scantron_getfile + + Fetches the requested bubble sheet data file (all 3 versions), and + the scan_data hash + + Arguments: + None + + Returns: + 2 hash references + + - first one has + orig - + corrected - + skipped - each of which points to an array ref of the specified + file broken up into individual lines + count - number of scanlines + + - second is the scan_data hash possible keys are + ($number refers to scanline numbered $number and thus the key affects + only that scanline + $bubline refers to the specific bubble line element and the aspects + refers to that specific bubble line element) + + $number.user - username:domain to use + $number.CODE_ignore_dup + - ignore the duplicate CODE error + $number.useCODE + - use the CODE in the scanline as is + $number.no_bubble.$bubline + - it is valid that there is no bubbled in bubble + at $number $bubline + remember_skipping + - a frozen hash containing keys of $number and values + of either + 1 - we are on a 'do skipped records pass' and plan + on processing this line + 2 - we are on a 'do skipped records pass' and this + scanline has been marked to skip yet again + +=cut + +sub scantron_getfile { + #FIXME really would prefer a scantron directory + my $cname=$env{'course.'.$env{'request.course.id'}.'.num'}; + my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'}; + my $lines; + $lines=&Apache::lonnet::getfile('/uploaded/'.$cdom.'/'.$cname.'/'. + 'scantron_orig_'.$env{'form.scantron_selectfile'}); + my %scanlines; + $scanlines{'orig'}=[(split("\n",$lines,-1))]; + my $temp=$scanlines{'orig'}; + $scanlines{'count'}=$#$temp; + + $lines=&Apache::lonnet::getfile('/uploaded/'.$cdom.'/'.$cname.'/'. + 'scantron_corrected_'.$env{'form.scantron_selectfile'}); + if ($lines eq '-1') { + $scanlines{'corrected'}=[]; + } else { + $scanlines{'corrected'}=[(split("\n",$lines,-1))]; + } + $lines=&Apache::lonnet::getfile('/uploaded/'.$cdom.'/'.$cname.'/'. + 'scantron_skipped_'.$env{'form.scantron_selectfile'}); + if ($lines eq '-1') { + $scanlines{'skipped'}=[]; + } else { + $scanlines{'skipped'}=[(split("\n",$lines,-1))]; + } + my @tmp=&Apache::lonnet::dump('nohist_scantrondata',$cdom,$cname); + if ($tmp[0] =~ /^(error:|no_such_host)/) { @tmp=(); } + my %scan_data = @tmp; + return (\%scanlines,\%scan_data); +} + +=pod + +=item lonnet_putfile + + Wrapper routine to call &Apache::lonnet::finishuserfileupload + + Arguments: + $contents - data to store + $filename - filename to store $contents into + + Returns: + result value from &Apache::lonnet::finishuserfileupload + +=cut + +sub lonnet_putfile { + my ($contents,$filename)=@_; + my $docuname=$env{'course.'.$env{'request.course.id'}.'.num'}; + my $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'}; + $env{'form.sillywaytopassafilearound'}=$contents; + &Apache::lonnet::finishuserfileupload($docuname,$docudom,'sillywaytopassafilearound',$filename); + +} + +=pod + +=item scantron_putfile + + Stores the current version of the bubble sheet data files, and the + scan_data hash. (Does not modify the original version only the + corrected and skipped versions. + + Arguments: + $scanlines - hash ref that looks like the first return value from + &scantron_getfile() + $scan_data - hash ref that looks like the second return value from + &scantron_getfile() + +=cut + +sub scantron_putfile { + my ($scanlines,$scan_data) = @_; + #FIXME really would prefer a scantron directory + my $cname=$env{'course.'.$env{'request.course.id'}.'.num'}; + my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'}; + if ($scanlines) { + my $prefix='scantron_'; +# no need to update orig, shouldn't change +# &lonnet_putfile(join("\n",@{$scanlines->{'orig'}}),$prefix.'orig_'. +# $env{'form.scantron_selectfile'}); + &lonnet_putfile(join("\n",@{$scanlines->{'corrected'}}), + $prefix.'corrected_'. + $env{'form.scantron_selectfile'}); + &lonnet_putfile(join("\n",@{$scanlines->{'skipped'}}), + $prefix.'skipped_'. + $env{'form.scantron_selectfile'}); + } + &Apache::lonnet::put('nohist_scantrondata',$scan_data,$cdom,$cname); +} + +=pod + +=item scantron_get_line + + Returns the correct version of the scanline + + Arguments: + $scanlines - hash ref that looks like the first return value from + &scantron_getfile() + $scan_data - hash ref that looks like the second return value from + &scantron_getfile() + $i - number of the requested line (starts at 0) + + Returns: + A scanline, (either the original or the corrected one if it + exists), or undef if the requested scanline should be + skipped. (Either because it's an skipped scanline, or it's an + unskipped scanline and we are not doing a 'do skipped scanlines' + pass. + +=cut + +sub scantron_get_line { + my ($scanlines,$scan_data,$i)=@_; + if (&should_be_skipped($scanlines,$scan_data,$i)) { return undef; } + #if ($scanlines->{'skipped'}[$i]) { return undef; } + if ($scanlines->{'corrected'}[$i]) {return $scanlines->{'corrected'}[$i];} + return $scanlines->{'orig'}[$i]; +} + +=pod + +=item scantron_todo_count + + Counts the number of scanlines that need processing. + + Arguments: + $scanlines - hash ref that looks like the first return value from + &scantron_getfile() + $scan_data - hash ref that looks like the second return value from + &scantron_getfile() + + Returns: + $count - number of scanlines to process + +=cut + +sub get_todo_count { + my ($scanlines,$scan_data)=@_; + my $count=0; + for (my $i=0;$i<=$scanlines->{'count'};$i++) { + my $line=&scantron_get_line($scanlines,$scan_data,$i); + if ($line=~/^[\s\cz]*$/) { next; } + $count++; + } + return $count; +} + +=pod + +=item scantron_put_line + + Updates the 'corrected' or 'skipped' versions of the bubble sheet + data file. + + Arguments: + $scanlines - hash ref that looks like the first return value from + &scantron_getfile() + $scan_data - hash ref that looks like the second return value from + &scantron_getfile() + $i - line number to update + $newline - contents of the updated scanline + $skip - if true make the line for skipping and update the + 'skipped' file + +=cut + +sub scantron_put_line { + my ($scanlines,$scan_data,$i,$newline,$skip)=@_; + if ($skip) { + $scanlines->{'skipped'}[$i]=$newline; + &start_skipping($scan_data,$i); + return; + } + $scanlines->{'corrected'}[$i]=$newline; +} + +=pod + +=item scantron_clear_skip + + Remove a line from the 'skipped' file + + Arguments: + $scanlines - hash ref that looks like the first return value from + &scantron_getfile() + $scan_data - hash ref that looks like the second return value from + &scantron_getfile() + $i - line number to update + +=cut + +sub scantron_clear_skip { + my ($scanlines,$scan_data,$i)=@_; + if (exists($scanlines->{'skipped'}[$i])) { + undef($scanlines->{'skipped'}[$i]); + return 1; + } + return 0; +} + +=pod + +=item scantron_filter_not_exam + + Filter routine used by &Apache::lonnavmaps::retrieveResources(), to + filter out resources that are not marked as 'exam' mode + +=cut + +sub scantron_filter_not_exam { + my ($curres)=@_; + + if (ref($curres) && $curres->is_problem() && !$curres->is_exam()) { + # if the user has asked to not have either hidden + # or 'randomout' controlled resources to be graded + # don't include them + if ($env{'form.scantron_options_hidden'} eq 'ignore_hidden' + && $curres->randomout) { + return 0; + } + return 1; + } + return 0; +} + +=pod + +=item scantron_validate_sequence + + Validates the selected sequence, checking for resource that are + not set to exam mode. + +=cut + +sub scantron_validate_sequence { + my ($r,$currentphase) = @_; + + my $navmap=Apache::lonnavmaps::navmap->new(); + my (undef,undef,$sequence)= + &Apache::lonnet::decode_symb($env{'form.selectpage'}); + + my $map=$navmap->getResourceByUrl($sequence); + + $r->print(''); + if ($env{'form.validate_sequence_exam'} ne 'ignore') { + my @resources= + $navmap->retrieveResources($map,\&scantron_filter_not_exam,1,0); + if (@resources) { + $r->print("

".&mt('Some resources in the sequence currently are not set to exam mode. Grading these resources currently may not work correctly.')."

"); + return (1,$currentphase); + } + } + + return (0,$currentphase+1); +} + +=pod + +=item scantron_validate_ID + + Validates all scanlines in the selected file to not have any + invalid or underspecified student IDs + +=cut + +sub scantron_validate_ID { + my ($r,$currentphase) = @_; + + #get student info + my $classlist=&Apache::loncoursedata::get_classlist(); + my %idmap=&username_to_idmap($classlist); + + #get scantron line setup + my %scantron_config=&get_scantron_config($env{'form.scantron_format'}); + my ($scanlines,$scan_data)=&scantron_getfile(); + + &scantron_get_maxbubble(); # parse needs the bubble_lines.. array. + + my %found=('ids'=>{},'usernames'=>{}); + for (my $i=0;$i<=$scanlines->{'count'};$i++) { + my $line=&scantron_get_line($scanlines,$scan_data,$i); + if ($line=~/^[\s\cz]*$/) { next; } + my $scan_record=&scantron_parse_scanline($line,$i,\%scantron_config, + $scan_data); + my $id=$$scan_record{'scantron.ID'}; + my $found; + foreach my $checkid (keys(%idmap)) { + if (lc($checkid) eq lc($id)) { $found=$checkid;last; } + } + if ($found) { + my $username=$idmap{$found}; + if ($found{'ids'}{$found}) { + &scantron_get_correction($r,$i,$scan_record,\%scantron_config, + $line,'duplicateID',$found); + return(1,$currentphase); + } elsif ($found{'usernames'}{$username}) { + &scantron_get_correction($r,$i,$scan_record,\%scantron_config, + $line,'duplicateID',$username); + return(1,$currentphase); + } + #FIXME store away line we previously saw the ID on to use above + $found{'ids'}{$found}++; + $found{'usernames'}{$username}++; + } else { + if ($id =~ /^\s*$/) { + my $username=&scan_data($scan_data,"$i.user"); + if (defined($username) && $found{'usernames'}{$username}) { + &scantron_get_correction($r,$i,$scan_record, + \%scantron_config, + $line,'duplicateID',$username); + return(1,$currentphase); + } elsif (!defined($username)) { + &scantron_get_correction($r,$i,$scan_record, + \%scantron_config, + $line,'incorrectID'); + return(1,$currentphase); + } + $found{'usernames'}{$username}++; + } else { + &scantron_get_correction($r,$i,$scan_record,\%scantron_config, + $line,'incorrectID'); + return(1,$currentphase); + } + } + } + + return (0,$currentphase+1); +} + +=pod + +=item scantron_get_correction + + Builds the interface screen to interact with the operator to fix a + specific error condition in a specific scanline + + Arguments: + $r - Apache request object + $i - number of the current scanline + $scan_record - hash ref as returned from &scantron_parse_scanline() + $scan_config - hash ref as returned from &get_scantron_config() + $line - full contents of the current scanline + $error - error condition, valid values are + 'incorrectCODE', 'duplicateCODE', + 'doublebubble', 'missingbubble', + 'duplicateID', 'incorrectID' + $arg - extra information needed + For errors: + - duplicateID - paper number that this studentID was seen before on + - duplicateCODE - array ref of the paper numbers this CODE was + seen on before + - incorrectCODE - current incorrect CODE + - doublebubble - array ref of the bubble lines that have double + bubble errors + - missingbubble - array ref of the bubble lines that have missing + bubble errors + +=cut + +sub scantron_get_correction { + my ($r,$i,$scan_record,$scan_config,$line,$error,$arg)=@_; +#FIXME in the case of a duplicated ID the previous line, probably need +#to show both the current line and the previous one and allow skipping +#the previous one or the current one + + if ( $$scan_record{'scantron.PaperID'} =~ /\S/) { + $r->print("

".&mt("An error was detected ($error)". + " for PaperID [_1]", + $$scan_record{'scantron.PaperID'})."

\n"); + } else { + $r->print("

".&mt("An error was detected ($error)". + " in scanline [_1]

[_2]
", + $i,$line)."

\n"); + } + my $message="

".&mt("The ID on the form is [_1]
". + "The name on the paper is [_2],[_3]", + $$scan_record{'scantron.ID'}, + $$scan_record{'scantron.LastName'}, + $$scan_record{'scantron.FirstName'})."

"; + + $r->print(''."\n"); + $r->print(''."\n"); + # Array populated for doublebubble or + my @lines_to_correct; # missingbubble errors to build javascript + # to validate radio button checking + + if ($error =~ /ID$/) { + if ($error eq 'incorrectID') { + $r->print("

".&mt("The encoded ID is not in the classlist"). + "

\n"); + } elsif ($error eq 'duplicateID') { + $r->print("

".&mt("The encoded ID has also been used by a previous paper [_1]",$arg)."

\n"); + } + $r->print($message); + $r->print("

".&mt("How should I handle this?")."
\n"); + $r->print("\n

  • "); + #FIXME it would be nice if this sent back the user ID and + #could do partial userID matches + $r->print(&Apache::loncommon::selectstudent_link('scantronupload', + 'scantron_username','scantron_domain')); + $r->print(": "); + $r->print("\n@". + &Apache::loncommon::select_dom_form($env{'request.role.domain'},'scantron_domain')); + + $r->print('
  • '); + } elsif ($error =~ /CODE$/) { + if ($error eq 'incorrectCODE') { + $r->print("

    ".&mt("The encoded CODE is not in the list of possible CODEs.")."

    \n"); + } elsif ($error eq 'duplicateCODE') { + $r->print("

    ".&mt("The encoded CODE has also been used by a previous paper [_1], and CODEs are supposed to be unique.",join(', ',@{$arg}))."

    \n"); + } + $r->print("

    ".&mt("The CODE on the form is '[_1]'", + $$scan_record{'scantron.CODE'})."
    \n"); + $r->print($message); + $r->print("

    ".&mt("How should I handle this?")."
    \n"); + $r->print("\n
    "); + my $i=0; + if ($error eq 'incorrectCODE' + && $$scan_record{'scantron.CODE'}=~/\S/ ) { + my ($max,$closest)=&scantron_get_closely_matching_CODEs($arg,$$scan_record{'scantron.CODE'}); + if ($closest > 0) { + foreach my $testcode (@{$closest}) { + my $checked=''; + if (!$i) { $checked=' checked="checked" '; } + $r->print(" + + "); + $r->print("\n
    "); + $i++; + } + } + } + if ($$scan_record{'scantron.CODE'}=~/\S/ ) { + my $checked; if (!$i) { $checked=' checked="checked" '; } + $r->print(" + "); + $r->print("\n
    "); + } + + $r->print(< +function change_radio(field) { + var slct=document.scantronupload.scantron_CODE_resolution; + var i; + for (i=0;i +ENDSCRIPT + my $href="/adm/pickcode?". + "form=".&escape("scantronupload"). + "&scantron_format=".&escape($env{'form.scantron_format'}). + "&scantron_CODElist=".&escape($env{'form.scantron_CODElist'}). + "&curCODE=".&escape($$scan_record{'scantron.CODE'}). + "&scantron_selectfile=".&escape($env{'form.scantron_selectfile'}); + if ($env{'form.scantron_CODElist'} =~ /\S/) { + $r->print(" +
    ","")." + + ".&mt("Selected CODE is [_1]","")); + $r->print("\n
    "); + } + $r->print(" + ")); + $r->print("\n

    "); + } elsif ($error eq 'doublebubble') { + $r->print("

    ".&mt("There have been multiple bubbles scanned for some question(s)")."

    \n"); + + # The form field scantron_questions is acutally a list of line numbers. + # represented by this form so: + + my $line_list = &questions_to_line_list($arg); + + $r->print(''); + $r->print($message); + $r->print("

    ".&mt("Please indicate which bubble should be used for grading")."

    "); + foreach my $question (@{$arg}) { + my @linenums = &prompt_for_corrections($r,$question,$scan_config, + $scan_record, $error); + push (@lines_to_correct,@linenums); + } + $r->print(&verify_bubbles_checked(@lines_to_correct)); + } elsif ($error eq 'missingbubble') { + $r->print("

    ".&mt("There have been no bubbles scanned for some question(s)")."

    \n"); + $r->print($message); + $r->print("

    ".&mt("Please indicate which bubble should be used for grading.")."

    "); + $r->print(&mt("Some questions have no scanned bubbles.")."\n"); + + # The form field scantron_questions is actually a list of line numbers not + # a list of question numbers. Therefore: + # + + my $line_list = &questions_to_line_list($arg); + + $r->print(''); + foreach my $question (@{$arg}) { + my @linenums = &prompt_for_corrections($r,$question,$scan_config, + $scan_record, $error); + push (@lines_to_correct,@linenums); + } + $r->print(&verify_bubbles_checked(@lines_to_correct)); + } else { + $r->print("\n
      "); + } + $r->print("\n
    "); +} + +sub verify_bubbles_checked { + my (@ansnums) = @_; + my $ansnumstr = join('","',@ansnums); + my $warning = &mt("A bubble or 'No bubble' selection has not been made for one or more lines."); + my $output = (< +function verify_bubble_radio(form) { + var ansnumArray = new Array ("$ansnumstr"); + var need_bubble_count = 0; + for (var i=0; i 1) { + var bubble_picked = 0; + for (var j=0; j +ENDSCRIPT + return $output; +} + +=pod + +=item questions_to_line_list + +Converts a list of questions into a string of comma separated +line numbers in the answer sheet used by the questions. This is +used to fill in the scantron_questions form field. + + Arguments: + questions - Reference to an array of questions. + +=cut + + +sub questions_to_line_list { + my ($questions) = @_; + my @lines; + + foreach my $item (@{$questions}) { + my $question = $item; + my ($first,$count,$last); + if ($item =~ /^(\d+)\.(\d+)$/) { + $question = $1; + my $subquestion = $2; + $first = $first_bubble_line{$question-1} + 1; + my @subans = split(/,/,$subdivided_bubble_lines{$question-1}); + my $subcount = 1; + while ($subcount<$subquestion) { + $first += $subans[$subcount-1]; + $subcount ++; + } + $count = $subans[$subquestion-1]; + } else { + $first = $first_bubble_line{$question-1} + 1; + $count = $bubble_lines_per_response{$question-1}; + } + $last = $first+$count-1; + push(@lines, ($first..$last)); + } + return join(',', @lines); +} + +=pod + +=item prompt_for_corrections + +Prompts for a potentially multiline correction to the +user's bubbling (factors out common code from scantron_get_correction +for multi and missing bubble cases). + + Arguments: + $r - Apache request object. + $question - The question number to prompt for. + $scan_config - The scantron file configuration hash. + $scan_record - Reference to the hash that has the the parsed scanlines. + $error - Type of error + + Implicit inputs: + %bubble_lines_per_response - Starting line numbers for each question. + Numbered from 0 (but question numbers are from + 1. + %first_bubble_line - Starting bubble line for each question. + %subdivided_bubble_lines - optionresponse, matchresponse and rankresponse + type problems render as separate sub-questions, + in exam mode. This hash contains a + comma-separated list of the lines per + sub-question. + %responsetype_per_response - essayresponse, formularesponse, + stringresponse, imageresponse, reactionresponse, + and organicresponse type problem parts can have + multiple lines per response if the weight + assigned exceeds 10. In this case, only + one bubble per line is permitted, but more + than one line might contain bubbles, e.g. + bubbling of: line 1 - J, line 2 - J, + line 3 - B would assign 22 points. + +=cut + +sub prompt_for_corrections { + my ($r, $question, $scan_config, $scan_record, $error) = @_; + my ($current_line,$lines); + my @linenums; + my $questionnum = $question; + if ($question =~ /^(\d+)\.(\d+)$/) { + $question = $1; + $current_line = $first_bubble_line{$question-1} + 1 ; + my $subquestion = $2; + my @subans = split(/,/,$subdivided_bubble_lines{$question-1}); + my $subcount = 1; + while ($subcount<$subquestion) { + $current_line += $subans[$subcount-1]; + $subcount ++; + } + $lines = $subans[$subquestion-1]; + } else { + $current_line = $first_bubble_line{$question-1} + 1 ; + $lines = $bubble_lines_per_response{$question-1}; + } + if ($lines > 1) { + $r->print(&mt('The group of bubble lines below responds to a single question.').'
    '); + if (($responsetype_per_response{$question-1} eq 'essayresponse') || + ($responsetype_per_response{$question-1} eq 'formularesponse') || + ($responsetype_per_response{$question-1} eq 'stringresponse') || + ($responsetype_per_response{$question-1} eq 'imageresponse') || + ($responsetype_per_response{$question-1} eq 'reactionresponse') || + ($responsetype_per_response{$question-1} eq 'organicresponse')) { + $r->print(&mt("Although this particular question type requires handgrading, the instructions for this question in the exam directed students to leave [quant,_1,line] blank on their scantron sheets.",$lines).'

    '.&mt('A non-zero score can be assigned to the student during scantron grading by selecting a bubble in at least one line.').'
    '.&mt('The score for this question will be a sum of the numeric values for the selected bubbles from each line, where A=1 point, B=2 points etc.').'
    '.&mt("To assign a score of zero for this question, mark all lines as 'No bubble'.").'

    '); + } else { + $r->print(&mt("Select at most one bubble in a single line and select 'No Bubble' in all the other lines. ")."
    "); + } + } + for (my $i =0; $i < $lines; $i++) { + my $selected = $$scan_record{"scantron.$current_line.answer"}; + &scantron_bubble_selector($r,$scan_config,$current_line, + $questionnum,$error,split('', $selected)); + push (@linenums,$current_line); + $current_line++; + } + if ($lines > 1) { + $r->print("

    "); + } + return @linenums; +} + +=pod + +=item scantron_bubble_selector + + Generates the html radiobuttons to correct a single bubble line + possibly showing the existing the selected bubbles if known + + Arguments: + $r - Apache request object + $scan_config - hash from &get_scantron_config() + $line - Number of the line being displayed. + $questionnum - Question number (may include subquestion) + $error - Type of error. + @selected - Array of bubbles picked on this line. + +=cut + +sub scantron_bubble_selector { + my ($r,$scan_config,$line,$questionnum,$error,@selected)=@_; + my $max=$$scan_config{'Qlength'}; + + my $scmode=$$scan_config{'Qon'}; + if ($scmode eq 'number' || $scmode eq 'letter') { $max=10; } + + my @alphabet=('A'..'Z'); + $r->print(&Apache::loncommon::start_data_table(). + &Apache::loncommon::start_data_table_row()); + $r->print(''.$line.''); + for (my $i=0;$i<$max+1;$i++) { + $r->print("\n".''); + if ($selected[0] eq $alphabet[$i]) { $r->print('X'); shift(@selected) } + else { $r->print(' '); } + $r->print(''); + } + $r->print(&Apache::loncommon::end_data_table_row(). + &Apache::loncommon::start_data_table_row()); + for (my $i=0;$i<$max;$i++) { + $r->print("\n". + '"); + } + my $nobub_checked = ' '; + if ($error eq 'missingbubble') { + $nobub_checked = ' checked = "checked" '; + } + $r->print("\n".''."\n".''); + $r->print(&Apache::loncommon::end_data_table_row(). + &Apache::loncommon::end_data_table()); +} + +=pod + +=item num_matches + + Counts the number of characters that are the same between the two arguments. + + Arguments: + $orig - CODE from the scanline + $code - CODE to match against + + Returns: + $count - integer count of the number of same characters between the + two arguments + +=cut + +sub num_matches { + my ($orig,$code) = @_; + my @code=split(//,$code); + my @orig=split(//,$orig); + my $same=0; + for (my $i=0;$i{'count'};$i++) { + my $line=&scantron_get_line($scanlines,$scan_data,$i); + if ($line=~/^[\s\cz]*$/) { next; } + my $scan_record=&scantron_parse_scanline($line,$i,\%scantron_config, + $scan_data); + my $CODE=$$scan_record{'scantron.CODE'}; + my $error=0; + if (!&Apache::lonnet::validCODE($CODE)) { + &scantron_get_correction($r,$i,$scan_record, + \%scantron_config, + $line,'incorrectCODE',\%allcodes); + return(1,$currentphase); + } + if (%allcodes && !exists($allcodes{$CODE}) + && !$$scan_record{'scantron.useCODE'}) { + &scantron_get_correction($r,$i,$scan_record, + \%scantron_config, + $line,'incorrectCODE',\%allcodes); + return(1,$currentphase); + } + if (exists($usedCODEs{$CODE}) + && $env{'form.scantron_CODEunique'} eq 'yes' + && !$$scan_record{'scantron.CODE_ignore_dup'}) { + &scantron_get_correction($r,$i,$scan_record, + \%scantron_config, + $line,'duplicateCODE',$usedCODEs{$CODE}); + return(1,$currentphase); + } + push (@{$usedCODEs{$CODE}},$$scan_record{'scantron.PaperID'}); + } + return (0,$currentphase+1); +} + +=pod + +=item scantron_validate_doublebubble + + Validates all scanlines in the selected file to not have any + bubble lines with multiple bubbles marked. + +=cut + +sub scantron_validate_doublebubble { + my ($r,$currentphase) = @_; + #get student info + my $classlist=&Apache::loncoursedata::get_classlist(); + my %idmap=&username_to_idmap($classlist); + + #get scantron line setup + my %scantron_config=&get_scantron_config($env{'form.scantron_format'}); + my ($scanlines,$scan_data)=&scantron_getfile(); + &scantron_get_maxbubble(); # parse needs the bubble line array. + + for (my $i=0;$i<=$scanlines->{'count'};$i++) { + my $line=&scantron_get_line($scanlines,$scan_data,$i); + if ($line=~/^[\s\cz]*$/) { next; } + my $scan_record=&scantron_parse_scanline($line,$i,\%scantron_config, + $scan_data); + if (!defined($$scan_record{'scantron.doubleerror'})) { next; } + &scantron_get_correction($r,$i,$scan_record,\%scantron_config,$line, + 'doublebubble', + $$scan_record{'scantron.doubleerror'}); + return (1,$currentphase); + } + return (0,$currentphase+1); +} + +=pod + +=item scantron_get_maxbubble + + Returns the maximum number of bubble lines that are expected to + occur. Does this by walking the selected sequence rendering the + resource and then checking &Apache::lonxml::get_problem_counter() + for what the current value of the problem counter is. + + Caches the results to $env{'form.scantron_maxbubble'}, + $env{'form.scantron.bubble_lines.n'}, + $env{'form.scantron.first_bubble_line.n'} and + $env{"form.scantron.sub_bubblelines.n"} + which are the total number of bubble, lines, the number of bubble + lines for response n and number of the first bubble line for response n, + and a comma separated list of numbers of bubble lines for sub-questions + (for optionresponse, matchresponse, and rankresponse items), for response n. + +=cut + +sub scantron_get_maxbubble { + if (defined($env{'form.scantron_maxbubble'}) && + $env{'form.scantron_maxbubble'}) { + &restore_bubble_lines(); + return $env{'form.scantron_maxbubble'}; + } + + my (undef, undef, $sequence) = + &Apache::lonnet::decode_symb($env{'form.selectpage'}); + + my $navmap=Apache::lonnavmaps::navmap->new(); + my $map=$navmap->getResourceByUrl($sequence); + my @resources=$navmap->retrieveResources($map,\&scantron_filter,1,0); + + &Apache::lonxml::clear_problem_counter(); + + my $uname = $env{'form.student'}; + my $udom = $env{'form.userdom'}; + my $cid = $env{'request.course.id'}; + my $total_lines = 0; + %bubble_lines_per_response = (); + %first_bubble_line = (); + %subdivided_bubble_lines = (); + %responsetype_per_response = (); + + my $response_number = 0; + my $bubble_line = 0; + foreach my $resource (@resources) { + my $symb = $resource->symb(); + # Need to retrieve part IDs and response IDs because essayresponse, + # reactionresponse and organicresponse items are not included in + # $analysis{'parts'} from lonnet::ssi. + my %possible_part_ids; + if (ref($resource->parts()) eq 'ARRAY') { + foreach my $part (@{$resource->parts()}) { + if (!&Apache::loncommon::check_if_partid_hidden($part,$symb,$udom,$uname)) { + my @resp_ids = $resource->responseIds($part); + foreach my $id (@resp_ids) { + $possible_part_ids{$part.'.'.$id} = 1; + } + } + } + } + my $result=&ssi_with_retries($resource->src(), $ssi_retries, + ('symb' => $symb), + ('grade_target' => 'analyze'), + ('grade_courseid' => $cid), + ('grade_domain' => $udom), + ('grade_username' => $uname)); + my (undef, $an) = + split(/_HASH_REF__/,$result, 2); + + my @parts; + + my %analysis = &Apache::lonnet::str2hash($an); + + if (ref($analysis{'parts'}) eq 'ARRAY') { + foreach my $part (@{$analysis{'parts'}}) { + my ($id,$respid) = split(/\./,$part); + if (!&Apache::loncommon::check_if_partid_hidden($id,$symb,$udom,$uname)) { + push(@parts,$part); + } + } + } + # Add part_ids for any essayresponse items. + foreach my $part_id (keys(%possible_part_ids)) { + if (($analysis{$part_id.'.type'} eq 'essayresponse') || + ($analysis{$part_id.'.type'} eq 'reactionresponse') || + ($analysis{$part_id.'.type'} eq 'organicresponse')) { + if (!grep(/^\Q$part_id\E$/,@parts)) { + push (@parts,$part_id); + } + } + } + + foreach my $part_id (@parts) { + my $lines = $analysis{"$part_id.bubble_lines"}; + + # TODO - make this a persistent hash not an array. + + # optionresponse, matchresponse and rankresponse type items + # render as separate sub-questions in exam mode. + if (($analysis{$part_id.'.type'} eq 'optionresponse') || + ($analysis{$part_id.'.type'} eq 'matchresponse') || + ($analysis{$part_id.'.type'} eq 'rankresponse')) { + my ($numbub,$numshown); + if ($analysis{$part_id.'.type'} eq 'optionresponse') { + if (ref($analysis{$part_id.'.options'}) eq 'ARRAY') { + $numbub = scalar(@{$analysis{$part_id.'.options'}}); + } + } elsif ($analysis{$part_id.'.type'} eq 'matchresponse') { + if (ref($analysis{$part_id.'.items'}) eq 'ARRAY') { + $numbub = scalar(@{$analysis{$part_id.'.items'}}); + } + } elsif ($analysis{$part_id.'.type'} eq 'rankresponse') { + if (ref($analysis{$part_id.'.foils'}) eq 'ARRAY') { + $numbub = scalar(@{$analysis{$part_id.'.foils'}}); + } + } + if (ref($analysis{$part_id.'.shown'}) eq 'ARRAY') { + $numshown = scalar(@{$analysis{$part_id.'.shown'}}); + } + my $bubbles_per_line = 10; + my $inner_bubble_lines = int($numshown/$bubbles_per_line); + if (($numshown % $bubbles_per_line) != 0) { + $inner_bubble_lines++; + } + for (my $i=0; $i<$numshown; $i++) { + $subdivided_bubble_lines{$response_number} .= + $inner_bubble_lines.','; + } + $subdivided_bubble_lines{$response_number} =~ s/,$//; + } + + $first_bubble_line{$response_number} = $bubble_line; + $bubble_lines_per_response{$response_number} = $lines; + $responsetype_per_response{$response_number} = + $analysis{$part_id.'.type'}; + $response_number++; + + $bubble_line += $lines; + $total_lines += $lines; + } + + } + &Apache::lonnet::delenv('scantron\.'); + + &save_bubble_lines(); + $env{'form.scantron_maxbubble'} = + $total_lines; + return $env{'form.scantron_maxbubble'}; +} + +=pod + +=item scantron_validate_missingbubbles + + Validates all scanlines in the selected file to not have any + answers that don't have bubbles that have not been verified + to be bubble free. + +=cut + +sub scantron_validate_missingbubbles { + my ($r,$currentphase) = @_; + #get student info + my $classlist=&Apache::loncoursedata::get_classlist(); + my %idmap=&username_to_idmap($classlist); + + #get scantron line setup + my %scantron_config=&get_scantron_config($env{'form.scantron_format'}); + my ($scanlines,$scan_data)=&scantron_getfile(); + my $max_bubble=&scantron_get_maxbubble(); + if (!$max_bubble) { $max_bubble=2**31; } + for (my $i=0;$i<=$scanlines->{'count'};$i++) { + my $line=&scantron_get_line($scanlines,$scan_data,$i); + if ($line=~/^[\s\cz]*$/) { next; } + my $scan_record=&scantron_parse_scanline($line,$i,\%scantron_config, + $scan_data); + if (!defined($$scan_record{'scantron.missingerror'})) { next; } + my @to_correct; + + # Probably here's where the error is... + + foreach my $missing (@{$$scan_record{'scantron.missingerror'}}) { + my $lastbubble; + if ($missing =~ /^(\d+)\.(\d+)$/) { + my $question = $1; + my $subquestion = $2; + if (!defined($first_bubble_line{$question -1})) { next; } + my $first = $first_bubble_line{$question-1}; + my @subans = split(/,/,$subdivided_bubble_lines{$question-1}); + my $subcount = 1; + while ($subcount<$subquestion) { + $first += $subans[$subcount-1]; + $subcount ++; + } + my $count = $subans[$subquestion-1]; + $lastbubble = $first + $count; + } else { + if (!defined($first_bubble_line{$missing - 1})) { next; } + $lastbubble = $first_bubble_line{$missing - 1} + $bubble_lines_per_response{$missing - 1}; + } + if ($lastbubble > $max_bubble) { next; } + push(@to_correct,$missing); + } + if (@to_correct) { + &scantron_get_correction($r,$i,$scan_record,\%scantron_config, + $line,'missingbubble',\@to_correct); + return (1,$currentphase); + } + + } + return (0,$currentphase+1); +} + +=pod + +=item scantron_process_students + + Routine that does the actual grading of the bubble sheet information. + + The parsed scanline hash is added to %env + + Then foreach unskipped scanline it does an &Apache::lonnet::ssi() + foreach resource , with the form data of + + 'submitted' =>'scantron' + 'grade_target' =>'grade', + 'grade_username'=> username of student + 'grade_domain' => domain of student + 'grade_courseid'=> of course + 'grade_symb' => symb of resource to grade + + This triggers a grading pass. The problem grading code takes care + of converting the bubbled letter information (now in %env) into a + valid submission. + +=cut + +sub scantron_process_students { + my ($r) = @_; + + my (undef,undef,$sequence)=&Apache::lonnet::decode_symb($env{'form.selectpage'}); + my ($symb)=&get_symb($r); + if (!$symb) { + return ''; + } + my $default_form_data=&defaultFormData($symb); + + my %scantron_config=&get_scantron_config($env{'form.scantron_format'}); + my ($scanlines,$scan_data)=&scantron_getfile(); + my $classlist=&Apache::loncoursedata::get_classlist(); + my %idmap=&username_to_idmap($classlist); + my $navmap=Apache::lonnavmaps::navmap->new(); + my $map=$navmap->getResourceByUrl($sequence); + my @resources=$navmap->retrieveResources($map,\&scantron_filter,1,0); +# $r->print("geto ".scalar(@resources)."
    "); + my $result= < + + $default_form_data +SCANTRONFORM + $r->print($result); + + my @delayqueue; + my %completedstudents; + + my $count=&get_todo_count($scanlines,$scan_data); + my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Scantron Status', + 'Scantron Progress',$count, + 'inline',undef,'scantronupload'); + &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state, + 'Processing first student'); + my $start=&Time::HiRes::time(); + my $i=-1; + my ($uname,$udom,$started); + + &scantron_get_maxbubble(); # Need the bubble lines array to parse. + + + # If an ssi failed in scantron_get_maxbubble, put an error message out to + # the user and return. + + if ($ssi_error) { + $r->print(""); + &ssi_print_error($r); + $r->print(&show_grading_menu_form($symb)); + return ''; # Dunno why the other returns return '' rather than just returning. + } + + while ($i<$scanlines->{'count'}) { + ($uname,$udom)=('',''); + $i++; + my $line=&scantron_get_line($scanlines,$scan_data,$i); + if ($line=~/^[\s\cz]*$/) { next; } + if ($started) { + &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state, + 'last student'); + } + $started=1; + my $scan_record=&scantron_parse_scanline($line,$i,\%scantron_config, + $scan_data); + unless ($uname=&scantron_find_student($scan_record,$scan_data, + \%idmap,$i)) { + &scantron_add_delay(\@delayqueue,$line, + 'Unable to find a student that matches',1); + next; + } + if (exists $completedstudents{$uname}) { + &scantron_add_delay(\@delayqueue,$line, + 'Student '.$uname.' has multiple sheets',2); + next; + } + ($uname,$udom)=split(/:/,$uname); + + &Apache::lonxml::clear_problem_counter(); + &Apache::lonnet::appenv($scan_record); + + if (&scantron_clear_skip($scanlines,$scan_data,$i)) { + &scantron_putfile($scanlines,$scan_data); + } + + my $i=0; + foreach my $resource (@resources) { + $i++; + my %form=('submitted' =>'scantron', + 'grade_target' =>'grade', + 'grade_username'=>$uname, + 'grade_domain' =>$udom, + 'grade_courseid'=>$env{'request.course.id'}, + 'grade_symb' =>$resource->symb()); + if (exists($scan_record->{'scantron.CODE'}) + && + &Apache::lonnet::validCODE($scan_record->{'scantron.CODE'})) { + $form{'CODE'}=$scan_record->{'scantron.CODE'}; + } else { + $form{'CODE'}=''; + } + my $result=&ssi_with_retries($resource->src(), $ssi_retries, %form); + if ($ssi_error) { + $ssi_error = 0; # So end of handler error message does not trigger. + $r->print(""); + &ssi_print_error($r); + $r->print(&show_grading_menu_form($symb)); + return ''; # Why return ''? Beats me. + } + + if (&Apache::loncommon::connection_aborted($r)) { last; } + } + $completedstudents{$uname}={'line'=>$line}; + if (&Apache::loncommon::connection_aborted($r)) { last; } + } continue { + &Apache::lonxml::clear_problem_counter(); + &Apache::lonnet::delenv('scantron\.'); + } + &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); +# my $lasttime = &Time::HiRes::time()-$start; +# $r->print("

    took $lasttime

    "); + + $r->print(""); + $r->print(&show_grading_menu_form($symb)); + return ''; +} + +=pod + +=item scantron_upload_scantron_data + + Creates the screen for adding a new bubble sheet data file to a course. + +=cut + +sub scantron_upload_scantron_data { + my ($r)=@_; + $r->print(&Apache::loncommon::coursebrowser_javascript($env{'request.role.domain'})); + my $select_link=&Apache::loncommon::selectcourse_link('rules','courseid', + 'domainid', + 'coursename'); + my $domsel=&Apache::loncommon::select_dom_form($env{'request.role.domain'}, + 'domainid'); + my $default_form_data=&defaultFormData(&get_symb($r,1)); + $r->print(' + + +
    +'.$default_form_data.' + + + + + + + + + + +
    '.$select_link.'
    '.&mt('Course ID:').'
    '.&mt('Course Name:').'
    '.&mt('Domain:').' '.$domsel.'
    '.&mt('File to upload:').'
    + + +
    +'); + return ''; +} + +=pod + +=item scantron_upload_scantron_data_save + + Adds a provided bubble information data file to the course if user + has the correct privileges to do so. + +=cut + +sub scantron_upload_scantron_data_save { + my($r)=@_; + my ($symb)=&get_symb($r,1); + my $doanotherupload= + '
    '."\n". + ''."\n". + ''."\n". + '
    '."\n"; + if (!&Apache::lonnet::allowed('usc',$env{'form.domainid'}) && + !&Apache::lonnet::allowed('usc', + $env{'form.domainid'}.'_'.$env{'form.courseid'})) { + $r->print(&mt("You are not allowed to upload Scantron data to the requested course.")."
    "); + if ($symb) { + $r->print(&show_grading_menu_form($symb)); + } else { + $r->print($doanotherupload); + } + return ''; + } + my %coursedata=&Apache::lonnet::coursedescription($env{'form.domainid'}.'_'.$env{'form.courseid'}); + $r->print(&mt("Doing upload to [_1]",$coursedata{'description'})."
    "); + my $fname=$env{'form.upfile.filename'}; + #FIXME + #copied from lonnet::userfileupload() + #make that function able to target a specified course + # Replace Windows backslashes by forward slashes + $fname=~s/\\/\//g; + # Get rid of everything but the actual filename + $fname=~s/^.*\/([^\/]+)$/$1/; + # Replace spaces by underscores + $fname=~s/\s+/\_/g; + # Replace all other weird characters by nothing + $fname=~s/[^\w\.\-]//g; + # See if there is anything left + unless ($fname) { return 'error: no uploaded file'; } + my $uploadedfile=$fname; + $fname='scantron_orig_'.$fname; + if (length($env{'form.upfile'}) < 2) { + $r->print(&mt("Error: The file you attempted to upload, [_1] contained no information. Please check that you entered the correct filename.",''.&HTML::Entities::encode($env{'form.upfile.filename'},'<>&"')."")); + } else { + my $result=&Apache::lonnet::finishuserfileupload($env{'form.courseid'},$env{'form.domainid'},'upfile',$fname); + if ($result =~ m|^/uploaded/|) { + $r->print(&mt("Success: Successfully uploaded [_1] bytes of data into location [_2]", + (length($env{'form.upfile'})-1), + ''.$result."")); + } else { + $r->print(&mt("Error: An error ([_1]) occurred when attempting to upload the file, [_2]", + $result, + ''.&HTML::Entities::encode($env{'form.upfile.filename'},'<>&"')."")); + + } + } + if ($symb) { + $r->print(&scantron_selectphase($r,$uploadedfile)); + } else { + $r->print($doanotherupload); + } + return ''; +} + +=pod + +=item valid_file + + Validates that the requested bubble data file exists in the course. + +=cut + +sub valid_file { + my ($requested_file)=@_; + foreach my $filename (sort(&scantron_filenames())) { + if ($requested_file eq $filename) { return 1; } + } + return 0; +} + +=pod + +=item scantron_download_scantron_data + + Shows a list of the three internal files (original, corrected, + skipped) for a specific bubble sheet data file that exists in the + course. + +=cut + +sub scantron_download_scantron_data { + my ($r)=@_; + my $default_form_data=&defaultFormData(&get_symb($r,1)); + my $cname=$env{'course.'.$env{'request.course.id'}.'.num'}; + my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'}; + my $file=$env{'form.scantron_selectfile'}; + if (! &valid_file($file)) { + $r->print(' +

    + '.&mt('The requested file name was invalid.').' +

    +'); + $r->print(&show_grading_menu_form(&get_symb($r,1))); + return; + } + my $orig='/uploaded/'.$cdom.'/'.$cname.'/scantron_orig_'.$file; + my $corrected='/uploaded/'.$cdom.'/'.$cname.'/scantron_corrected_'.$file; + my $skipped='/uploaded/'.$cdom.'/'.$cname.'/scantron_skipped_'.$file; + &Apache::lonnet::allowuploaded('/adm/grades',$orig); + &Apache::lonnet::allowuploaded('/adm/grades',$corrected); + &Apache::lonnet::allowuploaded('/adm/grades',$skipped); + $r->print(' +

    + '.&mt('[_1]Original[_2] file as uploaded by the scantron office.', + '','').' +

    +

    + '.&mt('[_1]Corrections[_2], a file of corrected records that were used in grading.', + '','').' +

    +

    + '.&mt('[_1]Skipped[_2], a file of records that were skipped.', + '','').' +

    +'); + $r->print(&show_grading_menu_form(&get_symb($r,1))); + return ''; +} + +=pod + +=back + +=cut + +#-------- end of section for handling grading scantron forms ------- +# +#------------------------------------------------------------------- + +#-------------------------- Menu interface ------------------------- +# +#--- Show a Grading Menu button - Calls the next routine --- +sub show_grading_menu_form { + my ($symb)=@_; + my $result.='
    '."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n". + '
    '."\n"; + return $result; +} + +# -- Retrieve choices for grading form +sub savedState { + my %savedState = (); + if ($env{'form.saveState'}) { + foreach (split(/:/,$env{'form.saveState'})) { + my ($key,$value) = split(/=/,$_,2); + $savedState{$key} = $value; + } + } + return \%savedState; +} + +sub grading_menu { + my ($request) = @_; + my ($symb)=&get_symb($request); + if (!$symb) {return '';} + my $probTitle = &Apache::lonnet::gettitle($symb); + my ($table,undef,$hdgrade) = &showResourceInfo($symb,$probTitle); + + $request->print($table); + my %fields = ('symb'=>&Apache::lonenc::check_encrypt($symb), + 'handgrade'=>$hdgrade, + 'probTitle'=>$probTitle, + 'command'=>'submit_options', + 'saveState'=>"", + 'gradingMenu'=>1, + 'showgrading'=>"yes"); + my $url = &Apache::lonhtmlcommon::build_url('grades/',\%fields); + my @menu = ({ url => $url, + name => &mt('Manual Grading/View Submissions'), + short_description => + &mt('Start the process of hand grading submissions.'), + }); + $fields{'command'} = 'csvform'; + $url = &Apache::lonhtmlcommon::build_url('grades/',\%fields); + push (@menu, { url => $url, + name => &mt('Upload Scores'), + short_description => + &mt('Specify a file containing the class scores for current resource.')}); + $fields{'command'} = 'processclicker'; + $url = &Apache::lonhtmlcommon::build_url('grades/',\%fields); + push (@menu, { url => $url, + name => &mt('Process Clicker'), + short_description => + &mt('Specify a file containing the clicker information for this resource.')}); + $fields{'command'} = 'scantron_selectphase'; + $url = &Apache::lonhtmlcommon::build_url('grades/',\%fields); + push (@menu, { url => $url, + name => &mt('Grade/Manage Scantron Forms'), + short_description => + &mt('')}); + $fields{'command'} = 'verify'; + $url = &Apache::lonhtmlcommon::build_url('grades/',\%fields); + push (@menu, { url => "", + name => &mt('Verify Receipt'), + short_description => + &mt('')}); + # + # Create the menu + my $Str; + # $Str .= '

    '.&mt('Please select a grading task').'

    '; + $Str .= '
    '; + $Str .= ''. + ''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n"; + + foreach my $menudata (@menu) { + if ($menudata->{'name'} ne &mt('Verify Receipt')) { + $Str .='

    {'jscript'}. + ' href="'. + $menudata->{'url'}.'" >'. + $menudata->{'name'}."

    \n"; + } else { + $Str .='
    {'jscript'}. + ' onClick="javascript:checkChoice(document.forms.gradingMenu,\'5\',\'verify\')" '. + ' /> '. + &Apache::lonnet::recprefix($env{'request.course.id'}). + '-'; + } + $Str .= ' '.(' 'x8).$menudata->{'short_description'}. + "\n"; + } + $Str .="
    \n"; + $request->print(< + function checkChoice(formname,val,cmdx) { + if (val <= 2) { + var cmd = radioSelection(formname.radioChoice); + var cmdsave = cmd; + } else { + cmd = cmdx; + cmdsave = 'submission'; + } + formname.command.value = cmd; + if (val < 5) formname.submit(); + if (val == 5) { + if (!checkReceiptNo(formname,'notOK')) { + return false; + } else { + formname.submit(); + } + } + } + + function checkReceiptNo(formname,nospace) { + var receiptNo = formname.receipt.value; + var checkOpt = false; + if (nospace == "OK" && isNaN(receiptNo)) {checkOpt = true;} + if (nospace == "notOK" && (isNaN(receiptNo) || receiptNo == "")) {checkOpt = true;} + if (checkOpt) { + alert("Please enter a receipt number given by a student in the receipt box."); + formname.receipt.value = ""; + formname.receipt.focus(); + return false; + } + return true; + } + +GRADINGMENUJS + &commonJSfunctions($request); + return $Str; +} + + +#--- Displays the submissions first page ------- +sub submit_options { + my ($request) = @_; + my ($symb)=&get_symb($request); + if (!$symb) {return '';} + my $probTitle = &Apache::lonnet::gettitle($symb); + + $request->print(< + function checkChoice(formname,val,cmdx) { + if (val <= 2) { + var cmd = radioSelection(formname.radioChoice); + var cmdsave = cmd; } else { - $ENV{'form.upfile_associate'} = 'forward'; + cmd = cmdx; + cmdsave = 'submission'; + } + formname.command.value = cmd; + formname.saveState.value = "saveCmd="+cmdsave+":saveSec="+pullDownSelection(formname.section)+ + ":saveSub="+pullDownSelection(formname.submitonly)+":saveStatus="+pullDownSelection(formname.Status); + if (val < 5) formname.submit(); + if (val == 5) { + if (!checkReceiptNo(formname,'notOK')) { return false;} + formname.submit(); + } + if (val < 7) formname.submit(); + } + + function checkReceiptNo(formname,nospace) { + var receiptNo = formname.receipt.value; + var checkOpt = false; + if (nospace == "OK" && isNaN(receiptNo)) {checkOpt = true;} + if (nospace == "notOK" && (isNaN(receiptNo) || receiptNo == "")) {checkOpt = true;} + if (checkOpt) { + alert("Please enter a receipt number given by a student in the receipt box."); + formname.receipt.value = ""; + formname.receipt.focus(); + return false; + } + return true; + } + +GRADINGMENUJS + &commonJSfunctions($request); + my ($table,undef,$hdgrade) = &showResourceInfo($symb,$probTitle); + my $result; + my (undef,$sections) = &getclasslist('all','0'); + my $savedState = &savedState(); + my $saveCmd = ($$savedState{'saveCmd'} eq '' ? 'submission' : $$savedState{'saveCmd'}); + my $saveSec = ($$savedState{'saveSec'} eq '' ? 'all' : $$savedState{'saveSec'}); + my $saveSub = ($$savedState{'saveSub'} eq '' ? 'all' : $$savedState{'saveSub'}); + my $saveStatus = ($$savedState{'saveStatus'} eq '' ? 'Active' : $$savedState{'saveStatus'}); + + $result.='
    '."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n". + ''."\n"; + + $result.=' +
    +
    +

    + '.&mt('Grade Current Resource').' +

    +
    +
    + '.$table.' +
    +
    +
    + '.&mt('Sections').' +
    +
    +   '; + $result.=' +
    +
    +
    +
    + '.&mt('Groups').' +
    +
    + '.&Apache::lonstatistics::GroupSelect('group','multiple',5).' +
    +
    +
    +
    + '.&mt('Access Status').' +
    +
    + '.&Apache::lonhtmlcommon::StatusOptions($saveStatus,undef,5,undef,'mult').' +
    +
    +
    +
    + '.&mt('Submission Status').' +
    +
    + +
    +
    +
    +
    + +
    +
    + +
    +
    + +
    +
    +
    +
    +
    +

    + '.&mt('Grade Complete Folder for One Student').' +

    +
    +
    +
    + +
    +
    + +
    +
    +
    +
    +
    +
    '; + $result .= &show_grading_menu_form($symb); + return $result; +} + +sub reset_perm { + undef(%perm); +} + +sub init_perm { + &reset_perm(); + foreach my $test_perm ('vgr','mgr','opa') { + + my $scope = $env{'request.course.id'}; + if (!($perm{$test_perm}=&Apache::lonnet::allowed($test_perm,$scope))) { + + $scope .= '/'.$env{'request.course.sec'}; + if ( $perm{$test_perm}= + &Apache::lonnet::allowed($test_perm,$scope)) { + $perm{$test_perm.'_section'}=$env{'request.course.sec'}; + } else { + delete($perm{$test_perm}); + } + } + } +} + +sub gather_clicker_ids { + my %clicker_ids; + + my $classlist = &Apache::loncoursedata::get_classlist(); + + # Set up a couple variables. + my $username_idx = &Apache::loncoursedata::CL_SNAME(); + my $domain_idx = &Apache::loncoursedata::CL_SDOM(); + my $status_idx = &Apache::loncoursedata::CL_STATUS(); + + foreach my $student (keys(%$classlist)) { + if ($classlist->{$student}->[$status_idx] ne 'Active') { next; } + my $username = $classlist->{$student}->[$username_idx]; + my $domain = $classlist->{$student}->[$domain_idx]; + my $clickers = + (&Apache::lonnet::userenvironment($domain,$username,'clickers'))[1]; + foreach my $id (split(/\,/,$clickers)) { + $id=~s/^[\#0]+//; + $id=~s/[\-\:]//g; + if (exists($clicker_ids{$id})) { + $clicker_ids{$id}.=','.$username.':'.$domain; + } else { + $clicker_ids{$id}=$username.':'.$domain; + } + } + } + return %clicker_ids; +} + +sub gather_adv_clicker_ids { + my %clicker_ids; + my $cnum=$env{'course.'.$env{'request.course.id'}.'.num'}; + my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'}; + my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum); + foreach my $element (sort(keys(%coursepersonnel))) { + foreach my $person (split(/\,/,$coursepersonnel{$element})) { + my ($puname,$pudom)=split(/\:/,$person); + my $clickers = + (&Apache::lonnet::userenvironment($pudom,$puname,'clickers'))[1]; + foreach my $id (split(/\,/,$clickers)) { + $id=~s/^[\#0]+//; + $id=~s/[\-\:]//g; + if (exists($clicker_ids{$id})) { + $clicker_ids{$id}.=','.$puname.':'.$pudom; + } else { + $clicker_ids{$id}=$puname.':'.$pudom; + } + } + } + } + return %clicker_ids; +} + +sub clicker_grading_parameters { + return ('gradingmechanism' => 'scalar', + 'upfiletype' => 'scalar', + 'specificid' => 'scalar', + 'pcorrect' => 'scalar', + 'pincorrect' => 'scalar'); +} + +sub process_clicker { + my ($r)=@_; + my ($symb)=&get_symb($r); + if (!$symb) {return '';} + my $result=&checkforfile_js(); + $env{'form.probTitle'} = &Apache::lonnet::gettitle($symb); + my ($table) = &showResourceInfo($symb,$env{'form.probTitle'}); + $result.=$table; + $result.='
    '."\n"; + $result.=''."\n"; + $result.='
    '."\n"; + $result.=' '.&mt('Specify a file containing the clicker information for this resource'). + '.
    '."\n"; +# Attempt to restore parameters from last session, set defaults if not present + my %Saveable_Parameters=&clicker_grading_parameters(); + &Apache::loncommon::restore_course_settings('grades_clicker', + \%Saveable_Parameters); + if (!$env{'form.pcorrect'}) { $env{'form.pcorrect'}=100; } + if (!$env{'form.pincorrect'}) { $env{'form.pincorrect'}=100; } + if (!$env{'form.gradingmechanism'}) { $env{'form.gradingmechanism'}='attendance'; } + if (!$env{'form.upfiletype'}) { $env{'form.upfiletype'}='iclicker'; } + + my %checked; + foreach my $gradingmechanism ('attendance','personnel','specific') { + if ($env{'form.gradingmechanism'} eq $gradingmechanism) { + $checked{$gradingmechanism}="checked='checked'"; + } + } + + my $upload=&mt("Upload File"); + my $type=&mt("Type"); + my $attendance=&mt("Award points just for participation"); + my $personnel=&mt("Correctness determined from response by course personnel"); + my $specific=&mt("Correctness determined from response with clicker ID(s)"); + my $pcorrect=&mt("Percentage points for correct solution"); + my $pincorrect=&mt("Percentage points for incorrect solution"); + my $selectform=&Apache::loncommon::select_form($env{'form.upfiletype'},'upfiletype', + ('iclicker' => 'i>clicker', + 'interwrite' => 'interwrite PRS')); + $symb = &Apache::lonenc::check_encrypt($symb); + $result.=< +function sanitycheck() { +// Accept only integer percentages + document.forms.gradesupload.pcorrect.value=Math.round(document.forms.gradesupload.pcorrect.value); + document.forms.gradesupload.pincorrect.value=Math.round(document.forms.gradesupload.pincorrect.value); +// Find out grading choice + for (i=0; i +
    + + + + + +
    +
    +
    +
    + + +
    +
    +
    +
    +ENDUPFORM + $result.='
    '."\n". + '


    '."\n"; + $result.=&show_grading_menu_form($symb); + return $result; +} + +sub process_clicker_file { + my ($r)=@_; + my ($symb)=&get_symb($r); + if (!$symb) {return '';} + + my %Saveable_Parameters=&clicker_grading_parameters(); + &Apache::loncommon::store_course_settings('grades_clicker', + \%Saveable_Parameters); + + my ($result) = &showResourceInfo($symb,$env{'form.probTitle'}); + if (($env{'form.gradingmechanism'} eq 'specific') && ($env{'form.specificid'}!~/\w/)) { + $result.=''.&mt('You need to specify a clicker ID for the correct answer').''; + return $result.&show_grading_menu_form($symb); + } + my %clicker_ids=&gather_clicker_ids(); + my %correct_ids; + if ($env{'form.gradingmechanism'} eq 'personnel') { + %correct_ids=&gather_adv_clicker_ids(); + } + if ($env{'form.gradingmechanism'} eq 'specific') { + foreach my $correct_id (split(/[\s\,]/,$env{'form.specificid'})) {; + $correct_id=~tr/a-z/A-Z/; + $correct_id=~s/\s//gs; + $correct_id=~s/^[\#0]+//; + $correct_id=~s/[\-\:]//g; + if ($correct_id) { + $correct_ids{$correct_id}='specified'; + } + } + } + if ($env{'form.gradingmechanism'} eq 'attendance') { + $result.=&mt('Score based on attendance only'); } else { - $request->print("Unknown action: $command:"); + my $number=0; + $result.='

    '.&mt('Correctness determined by the following IDs').''; + foreach my $id (sort(keys(%correct_ids))) { + $result.='
    '.$id.' - '; + if ($correct_ids{$id} eq 'specified') { + $result.=&mt('specified'); + } else { + my ($uname,$udom)=split(/\:/,$correct_ids{$id}); + $result.=&Apache::loncommon::plainname($uname,$udom); + } + $number++; + } + $result.="

    \n"; + if ($number==0) { + $result.=''.&mt('No IDs found to determine correct answer').''; + return $result.&show_grading_menu_form($symb); + } } - } - &send_footer($request); - return OK; + if (length($env{'form.upfile'}) < 2) { + $result.=&mt('[_1] Error: [_2] The file you attempted to upload, [_3] contained no information. Please check that you entered the correct filename.', + '', + '', + ''.&HTML::Entities::encode($env{'form.upfile.filename'},'<>&"').''); + return $result.&show_grading_menu_form($symb); + } + +# Were able to get all the info needed, now analyze the file + + $result.=&Apache::loncommon::studentbrowser_javascript(); + $symb = &Apache::lonenc::check_encrypt($symb); + my $heading=&mt('Scanning clicker file'); + $result.=(<
    +
    +$heading
    +
    + + + + + + + +ENDHEADER + my %responses; + my @questiontitles; + my $errormsg=''; + my $number=0; + if ($env{'form.upfiletype'} eq 'iclicker') { + ($errormsg,$number)=&iclicker_eval(\@questiontitles,\%responses); + } + if ($env{'form.upfiletype'} eq 'interwrite') { + ($errormsg,$number)=&interwrite_eval(\@questiontitles,\%responses); + } + $result.='
    '.&mt('Found [_1] question(s)',$number).'
    '. + ''. + &mt('Awarding [_1] percent for correct and [_2] percent for incorrect responses', + $env{'form.pcorrect'},$env{'form.pincorrect'}). + '
    '; +# Remember Question Titles +# FIXME: Possibly need delimiter other than ":" + for (my $i=0;$i<$number;$i++) { + $result.='').'" />'; + } + my $correct_count=0; + my $student_count=0; + my $unknown_count=0; +# Match answers with usernames +# FIXME: Possibly need delimiter other than ":" + foreach my $id (keys(%responses)) { + if ($correct_ids{$id}) { + $result.="\n".''; + $correct_count++; + } elsif ($clicker_ids{$id}) { + if ($clicker_ids{$id}=~/\,/) { +# More than one user with the same clicker! + $result.="\n
    ".&mt('Clicker registered more than once').": ".$id."
    "; + $result.="\n".''. + "'; + $unknown_count++; + } else { +# Good: found one and only one user with the right clicker + $result.="\n".''; + $student_count++; + } + } else { + $result.="\n
    ".&mt('Unregistered Clicker')." ".$id."
    "; + $result.="\n".''. + "\n".&mt("Username").":  ". + "\n".&mt("Domain").": ". + &Apache::loncommon::select_dom_form($env{'course.'.$env{'request.course.id'}.'.domain'},'udom'.$id).' '. + &Apache::loncommon::selectstudent_link('clickeranalysis','uname'.$id,'udom'.$id); + $unknown_count++; + } + } + $result.='
    '. + &mt('Found [_1] registered and [_2] unregistered clickers.',$student_count,$unknown_count); + if ($env{'form.gradingmechanism'} ne 'attendance') { + if ($correct_count==0) { + $errormsg.="Found no correct answers answers for grading!"; + } elsif ($correct_count>1) { + $result.='
    '.&mt("Found [_1] entries for grading!",$correct_count).''; + } + } + if ($number<1) { + $errormsg.="Found no questions."; + } + if ($errormsg) { + $result.='
    '.&mt($errormsg).''; + } else { + $result.='
    '; + } + $result.='
    '."\n". + '


    '."\n"; + return $result.&show_grading_menu_form($symb); +} + +sub iclicker_eval { + my ($questiontitles,$responses)=@_; + my $number=0; + my $errormsg=''; + foreach my $line (split(/[\n\r]/,$env{'form.upfile'})) { + my %components=&Apache::loncommon::record_sep($line); + my @entries=map {$components{$_}} (sort(keys(%components))); + if ($entries[0] eq 'Question') { + for (my $i=3;$i<$#entries;$i+=6) { + $$questiontitles[$number]=$entries[$i]; + $number++; + } + } + if ($entries[0]=~/^\#/) { + my $id=$entries[0]; + my @idresponses; + $id=~s/^[\#0]+//; + for (my $i=0;$i<$number;$i++) { + my $idx=3+$i*6; + push(@idresponses,$entries[$idx]); + } + $$responses{$id}=join(',',@idresponses); + } + } + return ($errormsg,$number); +} + +sub interwrite_eval { + my ($questiontitles,$responses)=@_; + my $number=0; + my $errormsg=''; + my $skipline=1; + my $questionnumber=0; + my %idresponses=(); + foreach my $line (split(/[\n\r]/,$env{'form.upfile'})) { + my %components=&Apache::loncommon::record_sep($line); + my @entries=map {$components{$_}} (sort(keys(%components))); + if ($entries[1] eq 'Time') { $skipline=0; next; } + if ($entries[1] eq 'Response') { $skipline=1; } + next if $skipline; + if ($entries[0]!=$questionnumber) { + $questionnumber=$entries[0]; + $$questiontitles[$number]=&mt('Question [_1]',$questionnumber); + $number++; + } + my $id=$entries[4]; + $id=~s/^[\#0]+//; + $id=~s/^v\d*\://i; + $id=~s/[\-\:]//g; + $idresponses{$id}[$number]=$entries[6]; + } + foreach my $id (keys %idresponses) { + $$responses{$id}=join(',',@{$idresponses{$id}}); + $$responses{$id}=~s/^\s*\,//; + } + return ($errormsg,$number); +} + +sub assign_clicker_grades { + my ($r)=@_; + my ($symb)=&get_symb($r); + if (!$symb) {return '';} +# See which part we are saving to + my ($partlist,$handgrade,$responseType) = &response_type($symb); +# FIXME: This should probably look for the first handgradeable part + my $part=$$partlist[0]; +# Start screen output + my ($result) = &showResourceInfo($symb,$env{'form.probTitle'}); + + my $heading=&mt('Assigning grades based on clicker file'); + $result.=(<
    +
    +$heading
    +ENDHEADER +# Get correct result +# FIXME: Possibly need delimiter other than ":" + my @correct=(); + my $gradingmechanism=$env{'form.gradingmechanism'}; + my $number=$env{'form.number'}; + if ($gradingmechanism ne 'attendance') { + foreach my $key (keys(%env)) { + if ($key=~/^form\.correct\:/) { + my @input=split(/\,/,$env{$key}); + for (my $i=0;$i<=$#input;$i++) { + if (($correct[$i]) && ($input[$i]) && + ($correct[$i] ne $input[$i])) { + $result.='
    '. + &mt('More than one correct result given for question "[_1]": [_2] versus [_3].', + $env{'form.question:'.$i},$correct[$i],$input[$i]).''; + } elsif ($input[$i]) { + $correct[$i]=$input[$i]; + } + } + } + } + for (my $i=0;$i<$number;$i++) { + if (!$correct[$i]) { + $result.='
    '. + &mt('No correct result given for question "[_1]"!', + $env{'form.question:'.$i}).''; + } + } + $result.='
    '.&mt("Correct answer: [_1]",join(', ',map { ($_?$_:'-') } @correct)); + } +# Start grading + my $pcorrect=$env{'form.pcorrect'}; + my $pincorrect=$env{'form.pincorrect'}; + my $storecount=0; + foreach my $key (keys(%env)) { + my $user=''; + if ($key=~/^form\.student\:(.*)$/) { + $user=$1; + } + if ($key=~/^form\.unknown\:(.*)$/) { + my $id=$1; + if (($env{'form.uname'.$id}) && ($env{'form.udom'.$id})) { + $user=$env{'form.uname'.$id}.':'.$env{'form.udom'.$id}; + } elsif ($env{'form.multi'.$id}) { + $user=$env{'form.multi'.$id}; + } + } + if ($user) { + my @answer=split(/\,/,$env{$key}); + my $sum=0; + for (my $i=0;$i<$number;$i++) { + if ($answer[$i]) { + if ($gradingmechanism eq 'attendance') { + $sum+=$pcorrect; + } else { + if ($answer[$i] eq $correct[$i]) { + $sum+=$pcorrect; + } else { + $sum+=$pincorrect; + } + } + } + } + my $ave=$sum/(100*$number); +# Store + my ($username,$domain)=split(/\:/,$user); + my %grades=(); + $grades{"resource.$part.solved"}='correct_by_override'; + $grades{"resource.$part.awarded"}=$ave; + $grades{"resource.regrader"}="$env{'user.name'}:$env{'user.domain'}"; + my $returncode=&Apache::lonnet::cstore(\%grades,$symb, + $env{'request.course.id'}, + $domain,$username); + if ($returncode ne 'ok') { + $result.="
    Failed to save student $username:$domain. Message when trying to save was ($returncode)"; + } else { + $storecount++; + } + } + } +# We are done + $result.='
    '.&mt('Successfully stored grades for [_1] student(s).',$storecount). + '
    '."\n". + '


    '."\n"; + return $result.&show_grading_menu_form($symb); +} + +sub handler { + my $request=$_[0]; + &reset_caches(); + if ($env{'browser.mathml'}) { + &Apache::loncommon::content_type($request,'text/xml'); + } else { + &Apache::loncommon::content_type($request,'text/html'); + } + $request->send_http_header; + return '' if $request->header_only; + &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}); + my $symb=&get_symb($request,1); + my @commands=&Apache::loncommon::get_env_multiple('form.command'); + my $command=$commands[0]; + + if ($#commands > 0) { + &Apache::lonnet::logthis("grades got multiple commands ".join(':',@commands)); + } + + $ssi_error = 0; + $request->print(&Apache::loncommon::start_page('Grading')); + if ($symb eq '' && $command eq '') { + if ($env{'user.adv'}) { + if (($env{'form.codeone'}) && ($env{'form.codetwo'}) && + ($env{'form.codethree'})) { + my $token=$env{'form.codeone'}.'*'.$env{'form.codetwo'}.'*'. + $env{'form.codethree'}; + my ($tsymb,$tuname,$tudom,$tcrsid)= + &Apache::lonnet::checkin($token); + if ($tsymb) { + my ($map,$id,$url)=&Apache::lonnet::decode_symb($tsymb); + if (&Apache::lonnet::allowed('mgr',$tcrsid)) { + $request->print(&ssi_with_retries('/res/'.$url, $ssi_retries, + ('grade_username' => $tuname, + 'grade_domain' => $tudom, + 'grade_courseid' => $tcrsid, + 'grade_symb' => $tsymb))); + } else { + $request->print('

    Not authorized: '.$token.'

    '); + } + } else { + $request->print('

    Not a valid DocID: '.$token.'

    '); + } + } else { + $request->print(&Apache::lonxml::tokeninputfield()); + } + } + } else { + &init_perm(); + if ($command eq 'submission' && $perm{'vgr'}) { + ($env{'form.student'} eq '' ? &listStudents($request) : &submission($request,0,0)); + } elsif ($command eq 'pickStudentPage' && $perm{'vgr'}) { + &pickStudentPage($request); + } elsif ($command eq 'displayPage' && $perm{'vgr'}) { + &displayPage($request); + } elsif ($command eq 'gradeByPage' && $perm{'mgr'}) { + &updateGradeByPage($request); + } elsif ($command eq 'processGroup' && $perm{'vgr'}) { + &processGroup($request); + } elsif ($command eq 'gradingmenu' && $perm{'vgr'}) { + $request->print(&grading_menu($request)); + } elsif ($command eq 'submit_options' && $perm{'vgr'}) { + $request->print(&submit_options($request)); + } elsif ($command eq 'viewgrades' && $perm{'vgr'}) { + $request->print(&viewgrades($request)); + } elsif ($command eq 'handgrade' && $perm{'mgr'}) { + $request->print(&processHandGrade($request)); + } elsif ($command eq 'editgrades' && $perm{'mgr'}) { + $request->print(&editgrades($request)); + } elsif ($command eq 'verify' && $perm{'vgr'}) { + $request->print(&verifyreceipt($request)); + } elsif ($command eq 'processclicker' && $perm{'mgr'}) { + $request->print(&process_clicker($request)); + } elsif ($command eq 'processclickerfile' && $perm{'mgr'}) { + $request->print(&process_clicker_file($request)); + } elsif ($command eq 'assignclickergrades' && $perm{'mgr'}) { + $request->print(&assign_clicker_grades($request)); + } elsif ($command eq 'csvform' && $perm{'mgr'}) { + $request->print(&upcsvScores_form($request)); + } elsif ($command eq 'csvupload' && $perm{'mgr'}) { + $request->print(&csvupload($request)); + } elsif ($command eq 'csvuploadmap' && $perm{'mgr'} ) { + $request->print(&csvuploadmap($request)); + } elsif ($command eq 'csvuploadoptions' && $perm{'mgr'}) { + if ($env{'form.associate'} ne 'Reverse Association') { + $request->print(&csvuploadoptions($request)); + } else { + if ( $env{'form.upfile_associate'} ne 'reverse' ) { + $env{'form.upfile_associate'} = 'reverse'; + } else { + $env{'form.upfile_associate'} = 'forward'; + } + $request->print(&csvuploadmap($request)); + } + } elsif ($command eq 'csvuploadassign' && $perm{'mgr'} ) { + $request->print(&csvuploadassign($request)); + } elsif ($command eq 'scantron_selectphase' && $perm{'mgr'}) { + $request->print(&scantron_selectphase($request)); + } elsif ($command eq 'scantron_warning' && $perm{'mgr'}) { + $request->print(&scantron_do_warning($request)); + } elsif ($command eq 'scantron_validate' && $perm{'mgr'}) { + $request->print(&scantron_validate_file($request)); + } elsif ($command eq 'scantron_process' && $perm{'mgr'}) { + $request->print(&scantron_process_students($request)); + } elsif ($command eq 'scantronupload' && + (&Apache::lonnet::allowed('usc',$env{'request.role.domain'})|| + &Apache::lonnet::allowed('usc',$env{'request.course.id'}))) { + $request->print(&scantron_upload_scantron_data($request)); + } elsif ($command eq 'scantronupload_save' && + (&Apache::lonnet::allowed('usc',$env{'request.role.domain'})|| + &Apache::lonnet::allowed('usc',$env{'request.course.id'}))) { + $request->print(&scantron_upload_scantron_data_save($request)); + } elsif ($command eq 'scantron_download' && + &Apache::lonnet::allowed('usc',$env{'request.course.id'})) { + $request->print(&scantron_download_scantron_data($request)); + } elsif ($command) { + $request->print("Access Denied ($command)"); + } + } + if ($ssi_error) { + &ssi_print_error($request); + } + $request->print(&Apache::loncommon::end_page()); + &reset_caches(); + return ''; } 1; 500 Internal Server Error

    Internal Server Error

    The server encountered an internal error or misconfiguration and was unable to complete your request.

    Please contact the server administrator at root@localhost to inform them of the time this error occurred, and the actions you performed just before this error.

    More information about this error may be available in the server error log.