--- loncom/interface/lonstatistics.pm 2003/02/25 20:47:47 1.60 +++ loncom/interface/lonstatistics.pm 2008/09/16 15:40:15 1.141 @@ -1,6 +1,6 @@ # The LearningOnline Network with CAPA # -# $Id: lonstatistics.pm,v 1.60 2003/02/25 20:47:47 matthew Exp $ +# $Id: lonstatistics.pm,v 1.141 2008/09/16 15:40:15 bisitz Exp $ # # Copyright Michigan State University Board of Trustees # @@ -38,21 +38,6 @@ lonstatistics Main handler for statistics and chart. -=head1 PACKAGES USED - - use strict; - use Apache::Constants qw(:common :http); - use Apache::lonnet(); - use Apache::lonhomework; - use Apache::loncommon; - use Apache::loncoursedata; - use Apache::lonhtmlcommon; - use Apache::lonproblemanalysis; - use Apache::lonproblemstatistics; - use Apache::lonstudentassessment; - use Apache::lonpercentage; - use GDBM_File; - =over 4 =cut @@ -61,20 +46,37 @@ package Apache::lonstatistics; use strict; use Apache::Constants qw(:common :http); -use Apache::lonnet(); +use vars qw( + @FullClasslist + @Students + @Sections + @Groups + %StudentData + @StudentDataOrder + @SelectedStudentData + $enrollment_status); + +use Apache::lonnet; use Apache::lonhomework; use Apache::loncommon; use Apache::loncoursedata; use Apache::lonhtmlcommon; -use Apache::lonproblemanalysis; -use Apache::lonproblemstatistics; -use Apache::lonstudentassessment; +use Apache::lonmysql; +use Apache::lonlocal; +use Apache::longroup; +use Time::HiRes; +# +# Statistics Packages +use Apache::lonproblemanalysis(); +use Apache::lonsubmissiontimeanalysis(); +use Apache::loncorrectproblemplot(); +use Apache::lonproblemstatistics(); +use Apache::lonstudentassessment(); use Apache::lonpercentage; -use GDBM_File; - -use vars qw/@FullClasslist @Students @Sections @SelectedSections - $curr_student $prev_student $next_student - $top_map @Sequences @Assessments /; +use Apache::lonstudentsubmissions(); +use Apache::lonsurveyreports(); +use Apache::longradinganalysis(); +use LONCAPA; ####################################################### ####################################################### @@ -89,6 +91,8 @@ use vars qw/@FullClasslist @Students @Se =item @Sections The sections available in this class +=item @Groups The groups available in the class + =item $curr_student The student currently being examined =item $prev_student The student previous in the classlist @@ -104,10 +108,6 @@ use vars qw/@FullClasslist @Students @Se # # Classlist variables # -my @FullClasslist; -my @Students; -my @Sections; -my @SelectedSections; my $curr_student; my $prev_student; my $next_student; @@ -129,7 +129,13 @@ undef the following package variables: =item @Sections -=item @SelectedSections +=item @Groups + +=item %StudentData + +=item @StudentDataOrder + +=item @SelectedStudentData =item $curr_student @@ -147,7 +153,9 @@ sub clear_classlist_variables { undef(@FullClasslist); undef(@Students); undef(@Sections); - undef(@SelectedSections); + undef(@Groups); + undef(%StudentData); + undef(@SelectedStudentData); undef($curr_student); undef($prev_student); undef($next_student); @@ -171,7 +179,11 @@ the following package variables: =item @Sections -=item @SelectedSections +=item @Groups + +=item %StudentData + +=item @SelectedStudentData =item $curr_student @@ -189,38 +201,70 @@ upon the calling context. ####################################################### ####################################################### sub PrepareClasslist { - my $r = shift; my %Sections; &clear_classlist_variables(); # # Retrieve the classlist - my $cid = $ENV{'request.course.id'}; - my $cdom = $ENV{'course.'.$cid.'.domain'}; - my $cnum = $ENV{'course.'.$cid.'.num'}; - my ($classlist,$field_names) = &Apache::loncoursedata::get_classlist($cid, - $cdom,$cnum); - if (exists($ENV{'form.Section'})) { - if (ref($ENV{'form.Section'})) { - @SelectedSections = @$ENV{'form.Section'}; - # Remove the empty sections - for (my $i=0; $i<=$#SelectedSections; $i++) { - if ($SelectedSections[$i] =~ /^\s*$/) { - splice(@SelectedSections,$i,1); - } - } - } else { - if ($ENV{'form.Section'} !~ /^\s*$/) { - @SelectedSections = ($ENV{'form.Section'}); - } - } + my $cid = $env{'request.course.id'}; + my $cdom = $env{'course.'.$cid.'.domain'}; + my $cnum = $env{'course.'.$cid.'.num'}; + my ($classlist,$field_names) = &Apache::loncoursedata::get_classlist($cdom, + $cnum); + my @selected_sections = &get_selected_sections(); + my @selected_groups = &get_selected_groups(); + # + # Deal with instructors with restricted section access + if ($env{'request.course.sec'} !~ /^\s*$/) { + @selected_sections = ($env{'request.course.sec'}); } - @SelectedSections = ('any') if (! @SelectedSections); # + # Set up %StudentData + @StudentDataOrder = qw/fullname username domain id section status groups comments/; + foreach my $field (@StudentDataOrder) { + $StudentData{$field}->{'title'} = &mt($field); + $StudentData{$field}->{'base_width'} = length(&mt($field)); + $StudentData{$field}->{'width'} = + $StudentData{$field}->{'base_width'}; + } + # + # get the status requested + $enrollment_status = 'Active'; + $enrollment_status = $env{'form.Status'} if (exists($env{'form.Status'})); + # + # Get groupmembership + my ($classgroups,$studentgroups); + my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum); + if (%curr_groups) { + ($classgroups,$studentgroups) = + &Apache::loncoursedata::get_group_memberships($classlist, + $field_names, + $cdom,$cnum); + } + my $now = time; + # Process the classlist while (my ($student,$student_data) = each (%$classlist)) { my $studenthash = (); for (my $i=0; $i< scalar(@$field_names);$i++) { - $studenthash->{$field_names->[$i]}=$student_data->[$i]; + my $field = $field_names->[$i]; + # Store the data + $studenthash->{$field}=$student_data->[$i]; + # Keep track of the width of the fields + next if (! exists($StudentData{$field})); + my $length = length($student_data->[$i]); + if ($StudentData{$field}->{'width'} < $length) { + $StudentData{$field}->{'width'} = $length; + } + } + my @studentsgroups = &Apache::loncoursedata::get_students_groups + ($student,$enrollment_status, + $classgroups); + if (@studentsgroups) { + $studenthash->{'groups'} = join(', ',@studentsgroups); + $studenthash->{'groupref'} = \@studentsgroups; + } else { + $studenthash->{'groups'} = 'none'; + $studenthash->{'groupref'} = []; } push (@FullClasslist,$studenthash); # @@ -233,29 +277,66 @@ sub PrepareClasslist { $Sections{$section}++; # # Only put in the list those students we are interested in - foreach my $sect (@SelectedSections) { - if (($sect eq 'any') || ($section eq $sect)) { - push (@Students,$studenthash); - last; + foreach my $sect (@selected_sections) { + if ( (($sect eq 'all') || + ($section eq $sect)) && + (($studenthash->{'status'} eq $enrollment_status) || + ($enrollment_status eq 'Any')) + ){ + my $groupcheck = 0; + if (grep(/^all$/,@selected_groups)) { + push(@Students,$studenthash); + last; + } elsif (grep(/^none$/,@selected_groups)) { + if ($studenthash->{'groups'} eq 'none') { + push(@Students,$studenthash); + last; + } + } else { + foreach my $group (@selected_groups) { + if (grep(/^$group$/,@studentsgroups)) { + push(@Students,$studenthash); + $groupcheck = 1; + last; + } + } + if ($groupcheck) { + last; + } + } } } } # # Put the consolidated section data in the right place - @Sections = sort {$a cmp $b} keys(%Sections); + if ($env{'request.course.sec'} !~ /^\s*$/) { + @Sections = ($env{'request.course.sec'}); + } else { + @Sections = sort { + if ($a == $a && $b == $b ) { return $a <=> $b; } + return $a cmp $b; + } keys(%Sections); + + unshift(@Sections,'all'); # Put 'all' at the front of the list + } + # Sort the groups + @Groups = sort {$a cmp $b} keys(%{$studentgroups}); + unshift(@Groups,'all'); # Put 'all' at the front of the list + # # Sort the Students my $sortby = 'fullname'; - $sortby = $ENV{'form.sort'} if (exists($ENV{'form.sort'})); - my @TmpStudents = sort { $a->{$sortby} cmp $b->{$sortby} || - $a->{'fullname'} cmp $b->{'fullname'} } @Students; - + $sortby = $env{'form.sort'} if (exists($env{'form.sort'})); + my @TmpStudents = sort { lc($a->{$sortby}) cmp lc($b->{$sortby}) || + lc($a->{'fullname'}) cmp lc($b->{'fullname'}) || + lc($a->{'username'}) cmp lc($b->{'username'}) } @Students; @Students = @TmpStudents; # # Now deal with that current student thing.... - if (exists($ENV{'form.StudentAssessmentStudent'})) { + $curr_student = undef; + if (exists($env{'form.SelectedStudent'})) { my ($current_uname,$current_dom) = - split(':',$ENV{'form.StudentAssessmentStudent'}); + split(':',$env{'form.SelectedStudent'}); my $i; for ($i = 0; $i<=$#Students; $i++) { next if (($Students[$i]->{'username'} ne $current_uname) || @@ -263,189 +344,255 @@ sub PrepareClasslist { $curr_student = $Students[$i]; last; # If we get here, we have our student. } - if ($i == 0) { - $prev_student = 'none'; - } else { - $prev_student = $Students[$i-1]; + if (defined($curr_student)) { + if ($i == 0) { + $prev_student = undef; + } else { + $prev_student = $Students[$i-1]; + } + if ($i == $#Students) { + $next_student = undef; + } else { + $next_student = $Students[$i+1]; + } } - if ($i == $#Students) { - $next_student = 'none'; - } else { - $next_student = $Students[$i+1]; + } + # + if (exists($env{'form.StudentData'})) { + @SelectedStudentData = + &Apache::loncommon::get_env_multiple('form.StudentData'); + } else { + @SelectedStudentData = ('username'); + } + foreach (@SelectedStudentData) { + if ($_ eq 'all') { + @SelectedStudentData = ('all'); + last; } } + # + return; } ####################################################### ####################################################### -# -# Course Sequences variables -# -my $top_map; -my @Sequences; -my @Assessments; + +=pod + +=item get_selected_sections + +Returns an array of the selected sections + +=cut ####################################################### ####################################################### +sub get_selected_sections { + my @selected_sections = + &Apache::loncommon::get_env_multiple('form.Section'); + @selected_sections = ('all') if (! @selected_sections); + foreach (@selected_sections) { + if ($_ eq 'all') { + @selected_sections = ('all'); + } + } + # + # Deal with instructors with restricted section access + if ($env{'request.course.sec'} !~ /^\s*$/) { + @selected_sections = ($env{'request.course.sec'}); + } + return @selected_sections; +} +####################################################### +####################################################### + +=pod + +=item get_selected_groups + +Returns an array of the selected groups + +=cut + +####################################################### +####################################################### +sub get_selected_groups { + my @selected_groups = + &Apache::loncommon::get_env_multiple('form.Group'); + @selected_groups = ('all') if (! @selected_groups); + foreach my $grp (@selected_groups) { + if ($grp eq 'all') { + @selected_groups = ('all'); + last; + } + } + return @selected_groups; +} + =pod -=item &clear_sequence_variables() +=item §ion_and_enrollment_description + +Returns a string describing the currently selected section(s), group(s) and +access status. + +Inputs: mode = 'plaintext' or 'localized' (defaults to 'localized') + 'plaintext' is used for example in Excel spreadsheets. +Returns: scalar description string. =cut ####################################################### ####################################################### -sub clear_sequence_variables { - undef($top_map); - undef(@Sequences); - undef(@Assessments); +sub section_and_enrollment_description { + my ($mode) = @_; + if (! defined($mode)) { $mode = 'localized'; } + my @sections = &Apache::lonstatistics::get_selected_sections(); + my @groups = &Apache::lonstatistics::get_selected_groups(); + my $description; + if ($mode eq 'localized') { + $description = &mt('Unable to determine section, groups and access status'); + } elsif ($mode eq 'plaintext') { + $description = 'Unable to determine section, groups and access status'; + } else { + $description = 'Bad parameter passed to lonstatistics::section_and_enrollment_description'; + &Apache::lonnet::logthis($description); + } + $description = §ion_or_group_text($mode,'section',@sections). + ' '.§ion_or_group_text($mode,'group',@groups); + if ($mode eq 'localized') { + $description .= &mt(' [_1] access status.',$env{'form.Status'}); + } elsif ($mode eq 'plaintext') { + $description .= ' '.$env{'form.Status'}.' access status.'; + } + return $description; } ####################################################### ####################################################### +sub section_or_group_text { + my ($mode,$type,@items) = @_; + my $text; + my %phrases = (); + %{$phrases{'section'}} = ( + single => 'Section', + all => 'All sections', + plural => 'Sections', + ); + %{$phrases{'group'}} = ( + single => 'Group', + all => 'All groups', + plural => 'Groups', + ); + if (scalar(@items) == 1 && $items[0] ne 'all') { + if ($mode eq 'localized') { + $text = &mt('[_1] [_2].',$phrases{$type}{single},$items[0]); + } elsif ($mode eq 'plaintext') { + $text = $phrases{$type}{single}.' '.$items[0].'.'; + + } + } elsif (scalar(@items) && $items[0] eq 'all') { + if ($mode eq 'localized') { + $text = &mt('[_1].',$phrases{$type}{all}); + } elsif ($mode eq 'plaintext') { + $text = $phrases{$type}{all}.'.'; + } + } elsif (scalar(@items)) { + my $lastitem = pop(@items); + if ($mode eq 'localized') { + $text = &mt('[_1] [_2] and [_3].',$phrases{$type}{plural}, + join(', ',@items),$lastitem); + } elsif ($mode eq 'plaintext') { + $text = $phrases{$type}{plural}.' '.join(', ',@items).' and '. + $lastitem.'.'; + } + } + return $text; +} + + =pod -=item &PrepareCourseData($r) +=item get_students + +Returns a list of the selected students =cut ####################################################### ####################################################### -sub PrepareCourseData { - my ($r) = @_; - &clear_sequence_variables(); - my ($top,$sequences,$assessments) = &Apache::loncoursedata::get_sequence_assessment_data(); - if (! defined($top) || ! ref($top)) { - # There has been an error, better report it - &Apache::lonnet::logthis('top is undefined'); - return; +sub get_students { + if (! @Students) { + &PrepareClasslist() } - $top_map = $top if (ref($top)); - @Sequences = @{$sequences} if (ref($sequences) eq 'ARRAY'); - @Assessments = @{$assessments} if (ref($assessments) eq 'HASH'); + return @Students; +} + +####################################################### +####################################################### =pod - ## - ## Debugging code - ## - foreach my $s (@Sequences) { - next if ($s->{'title'} ne 'Bioenergetics: Enzyme Regulation'); - &Apache::lonnet::logthis('-----------------------------------'); - &Apache::lonnet::logthis('title = '.$s->{'title'}); - &Apache::lonnet::logthis('symb = '.$s->{'symb'}); - &Apache::lonnet::logthis('num_assess = '.$s->{'num_assess'}); - foreach my $a (@{$s->{'contents'}}) { - &Apache::lonnet::logthis(' --------------------------------'); - &Apache::lonnet::logthis(' title = '.$a->{'title'}); - &Apache::lonnet::logthis(' symb = '.$a->{'symb'}); - } - } +=item ¤t_student() + +Returns a pointer to a hash containing data about the currently +selected student. =cut - return; +####################################################### +####################################################### +sub current_student { + return $curr_student; } -############################################## -############################################## - -=pod +####################################################### +####################################################### -=item &MapSelect($elementname,$status,$numvisible,$selected,$restriction) +=pod -Returns html for a selection box allowing the user to choose one (or more) -of the sequences in the course. The values of the sequences are the symbs. -If the top sequence is selected, the value 'top' will result. +=item &previous_student() -=over 4 +Returns a pointer to a hash containing data about the student prior +in the list of students. Or something. -=item $elementname The name of the HTML form element +=cut -=item $status 'multiple' or 'single' selection box +####################################################### +####################################################### +sub previous_student { + return $prev_student; +} -=item $numvisible The number of options to be visible +####################################################### +####################################################### -=item $selected Array ref to the names of the already selected maps. -If undef, $ENV{'form.'.$elementname} is used. -If $ENV{'form.'.$elementname} is also empty, none will be selected. +=pod -=item $restriction Code reference to subroutine which returns true or -false. The code must expect a reference to a sequence data structure. +=item &next_student() -=back +Returns a pointer to a hash containing data about the next student +to be viewed. =cut -############################################## -############################################## -sub MapSelect { - my ($elementname,$status,$numvisible,$selected,$restriction)=@_; - if ($numvisible < 1) { - return; - } - # - # Set up array of selected items - my @Selected; - if (! defined($selected)) { - if (exists($ENV{'form.'.$elementname})) { - if (ref($ENV{'form.'.$elementname})) { - @Selected = @$ENV{'form.'.$elementname}; - } else { - @Selected = ($ENV{'form.'.$elementname}); - } - } else { - @Selected = (); - } - } else { - if (ref($selected)) { - @Selected = @$selected; - } else { - @Selected = ($selected); - } - } - # - # Set up the restriction call - if (! defined($restriction)) { - $restriction = sub { 1; }; - } - # - # Build the form element - my $Str = "\n"; - $Str .= '\n"; - return $Str; +####################################################### +####################################################### +sub next_student { + return $next_student; } - ############################################## ############################################## =pod -=item &SectionSelect($elementname,$status,$numvisible) +=item &StudentDataSelect($elementname,$status,$numvisible,$selected) Returns html for a selection box allowing the user to choose one (or more) -of the sections in the course. +of the fields of student data available (fullname, username, id, section, etc) =over 4 @@ -455,20 +602,13 @@ of the sections in the course. =item $numvisible The number of options to be visible -=item $selected Array ref to the names of the already selected sections. -If undef, $ENV{'form.'.$elementname} is used. -If $ENV{'form.'.$elementname} is also empty, none will be selected. - -=item $restriction Code reference to subroutine which returns true or -false. The code must expect a reference to a sequence data structure. - =back =cut ############################################## ############################################## -sub SectionSelect { +sub StudentDataSelect { my ($elementname,$status,$numvisible)=@_; if ($numvisible < 1) { return; @@ -482,430 +622,431 @@ sub SectionSelect { } $Str .= 'size="'.$numvisible.'" >'."\n"; # - # Loop through the sequences - foreach my $s (@Sections) { - $Str .= ' \n"; } $Str .= "\n"; return $Str; } -############################################## -############################################## +####################################################### +####################################################### -sub CheckFormElement { - my ($cache, $ENVName, $cacheName, $default)=@_; +=pod - if(defined($ENV{'form.'.$ENVName})) { - $cache->{$cacheName} = $ENV{'form.'.$ENVName}; - } elsif(!defined($cache->{$cacheName})) { - $cache->{$cacheName} = $default; - } else { - $ENV{'form.'.$ENVName} = $cache->{$cacheName}; - } - return; -} +=item &get_selected_maps($elementname) -sub ProcessFormData{ - my ($cache)=@_; +Input: Name of the '."\n"; + # + # Put in option for 'all' + $form .= ' \n"; } - - return; + $form .= "\n"; + return $form; } -sub PrepareData { - my ($c, $cacheDB, $studentInformation, $headings,$r)=@_; +############################################## +############################################## - # Test for access to the cache data - my $courseID=$ENV{'request.course.id'}; - my $isRecalculate=0; - if(defined($ENV{'form.Recalculate'})) { - $isRecalculate=1; - } +=pod - my $isCached = &Apache::loncoursedata::TestCacheData($cacheDB, - $isRecalculate); - if($isCached < 0) { - return "Unable to tie hash to db file."; - } +=item &SectionSelect($elementname,$status,$numvisible) - # Download class list information if not using cached data - my %cache; - unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_WRCREAT(),0640)) { - return "Unable to tie hash to db file."; - } +Returns html for a selection box allowing the user to choose one (or more) +of the sections in the course. -# if(!$isCached) { - my $processTopResourceMapReturn= - &Apache::loncoursedata::ProcessTopResourceMap(\%cache, $c); - if($processTopResourceMapReturn ne 'OK') { - untie(%cache); - return $processTopResourceMapReturn; - } - # } +Uses the package variables @Sections +=over 4 - if($c->aborted()) { - untie(%cache); - return 'aborted'; - } +=item $elementname The name of the HTML form element - my $classlist=&Apache::loncoursedata::DownloadClasslist($courseID, - $cache{'ClasslistTimestamp'}, - $c); - foreach (keys(%$classlist)) { - if(/^(con_lost|error|no_such_host)/i) { - untie(%cache); - return "Error getting student data."; - } - } +=item $status 'multiple' or 'single' selection box - if($c->aborted()) { - untie(%cache); - return 'aborted'; - } +=item $numvisible The number of options to be visible - # Active is a temporary solution, remember to change - Apache::loncoursedata::ProcessClasslist(\%cache,$classlist,$courseID,$c); - if($c->aborted()) { - untie(%cache); - return 'aborted'; - } +=back - &ProcessFormData(\%cache); - my $students = &SortStudents(\%cache); - &SpaceColumns($students, $studentInformation, $headings, \%cache); - $cache{'updateTime:columnWidth'}=24; +=cut - my $download = $cache{'download'}; - my $downloadAll = $cache{'DownloadAll'}; - my @allStudents=(); - if($download ne 'false') { - $cache{'download'} = 'false'; - } elsif($downloadAll ne 'false') { - $cache{'DownloadAll'} = 'false'; - if($downloadAll eq 'sorted') { - @allStudents = @$students; - } else { - @allStudents = split(':::', $cache{'NamesOfStudents'}); +############################################## +############################################## +sub SectionSelect { + my ($elementname,$status,$numvisible)=@_; + if ($numvisible < 1) { + return; + } + # + # Make sure we have the data we need to continue + if (! @Sections) { + &PrepareClasslist() + } + # + # Build the form element + my $Str = "\n"; + $Str .= '\n"; + return $Str; +} - untie(%cache); - - if($download ne 'false') { - my @who = ($download); - if(&Apache::loncoursedata::DownloadStudentCourseData(\@who, 'false', - $cacheDB, 'true', - 'false', $courseID, - $r, $c) ne 'OK') { - return 'Stop at download individual'; - } - } elsif($downloadAll ne 'false') { - if(&Apache::loncoursedata::DownloadStudentCourseData(\@allStudents, - 'false', - $cacheDB, 'true', - 'true', $courseID, - $r, $c) ne 'OK') { - return 'Stop at download all'; +############################################## +############################################## + +=pod + +=item &GroupSelect($elementname,$status,$numvisible) + +Returns html for a selection box allowing the user to choose one (or more) +of the groups in the course. + +Uses the package variables @Groups +=over 4 + +=item $elementname The name of the HTML form element + +=item $status 'multiple' or 'single' selection box + +=item $numvisible The number of options to be visible + +=back + +=cut + +############################################## +############################################## +sub GroupSelect { + my ($elementname,$status,$numvisible)=@_; + if ($numvisible < 1) { + return; + } + # + # Make sure we have the data we need to continue + if (! @Groups) { + &PrepareClasslist(); + } + # + # Build the form element + my $Str = "\n"; + $Str .= '\n"; } + +################################################## +################################################## sub DisplayClasslist { my ($r)=@_; + &Apache::lonhtmlcommon::add_breadcrumb + ({text=>'Select One Student'}); # - my @Fields = ('fullname','username','domain','id','section'); + # Output some of the standard interface components + my $Str; + $Str .= &Apache::lonhtmlcommon::breadcrumbs('Select One Student'); + $Str .= '

'."\n"; + $Str .= ''; + $Str .= ''; + $Str .= ''; + $Str .= ''; + $Str .= ''.$/; + $Str .= ''; + $Str .= ''; + $Str .= ''; + $Str .= ''; + + $Str .= ''.$/; + $Str .= '
'.&mt('Sections').''.&mt('Groups').''.&mt('Access Status').'
'. + &Apache::lonstatistics::SectionSelect('Section','multiple',5). + ''. + &Apache::lonstatistics::GroupSelect('Group','multiple',5). + ''. + &Apache::lonhtmlcommon::StatusOptions(undef,undef,5). + '

'; + $Str .= ''; + $r->print($Str); + $r->rflush(); # - my $Str=''; - $Str .= '
'."\n"; - $Str .= ''."\n"; + my @Fields = ('fullname','username','domain','id','section','status','groups'); + # + $Str = ''; + my @selected_sections = &get_selected_sections(); + if (! @Students) { + if ($selected_sections[0] eq 'all') { + if (lc($env{'form.Status'}) eq 'active') { + $Str .= '

'. + &mt('There are no currently enrolled students in the course.'). + '

'; + } elsif (lc($env{'form.Status'}) eq 'expired') { + $Str .= '

'. + &mt('There are no previously enrolled students in the course.'). + '

'; + } elsif (lc($env{'form.Status'}) eq 'future') { + $Str .= '

'. + &mt('There are no students with future access in the course.'). + '

'; + } else { # 'any' and any others + $Str .= '

'. + &mt('There are no students in the course.'). + '

'; + } + } else { + if (lc($env{'form.Status'}) eq 'active') { + $Str .= '

'. + &mt('There are no currently enrolled students in the selected sections.'). + '

'; + } elsif (lc($env{'form.Status'}) eq 'expired') { + $Str .= '

'. + &mt('There are no previously enrolled students in the selected sections.'). + '

'; + } elsif (lc($env{'form.Status'}) eq 'future') { + $Str .= '

'. + &mt('There are no students with future access in the selected sections.'). + '

'; + } else { # 'any' and any others + $Str .= '

'. + &mt('There are no students in the selected sections.'). + '

'; + } + } + $Str.= '

' + .'' + .&mt('Return to the chart').'' + .'

'; + $r->print($Str); + $r->rflush(); + return; + } + + $Str .= '

'.&mt('Select One Student').'

' + .'

'.&mt("Click on a student's name or username to view their chart").'

' + .&Apache::loncommon::start_data_table() + .&Apache::loncommon::start_data_table_header_row(); foreach my $field (@Fields) { - $Str .= ''; } - $Str .= ''."\n"; + $Str .= &Apache::loncommon::end_data_table_header_row(); # - my $alternate = 0; - foreach my $student (@Students) { + foreach my $student (@Students) { # @Students is a package variable my $sname = $student->{'username'}.':'.$student->{'domain'}; - if($alternate) { - $Str .= ''; - } else { - $Str .= ''; - } - $alternate = ($alternate + 1) % 2; + $Str .= &Apache::loncommon::start_data_table_row(); # foreach my $field (@Fields) { $Str .= ''; } - $Str .= "\n"; + $Str .= &Apache::loncommon::end_data_table_row(); } - $Str .= '
'.$field. + $Str .= ''.&mt($field). '
'; - if ($field eq 'fullname') { + if ($field eq 'fullname' || $field eq 'username') { $Str .= ''; + $Str .= &escape('student_assessment'); + $Str .= '&sort='.&escape($env{'form.sort'}); + $Str .= '&SelectedStudent='; + $Str .= &escape($sname).'">'; $Str .= $student->{$field}.' '; $Str .= ''; + } elsif ($field eq 'status') { + $Str .= &mt($student->{$field}); } else { $Str .= $student->{$field}; } $Str .= '
'."\n"; + $Str .= &Apache::loncommon::end_data_table(); # $r->print($Str); $r->rflush(); @@ -913,288 +1054,235 @@ sub DisplayClasslist { return; } -sub BuildClasslist { - my ($cacheDB,$students,$studentInformation,$headings,$r)=@_; - - my %cache; - unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) { - return 'Unable to tie database.'; - } - -# my $Ptr = ''; -# $Ptr .= ''; -# $Ptr .= ''."\n"; -# $Ptr .= '
Select Sections'; -# $Ptr .= ''."\n"; -# my @sectionsSelected = split(':',$cache{'sectionsSelected'}); -# my @sections = split(':',$cache{'sectionList'}); -# $Ptr .= &Apache::lonhtmlcommon::MultipleSectionSelect(\@sections, -# \@sectionsSelected, -# 'Statistics'); -# $Ptr .= '

'; -# $r->print($Ptr); -# $r->rflush(); -# my %mySections = (); -# foreach (@sections) { $mySections{$_} = 'True'; } -# $r->print("
$cache{'sectionsSelected'}
"); - - my $Str=''; - $Str .= '
'."\n"; - $Str .= ''."\n"; - - my $displayString = ''."\n"; - $Str .= &Apache::lonhtmlcommon::CreateHeadings(\%cache, - $studentInformation, - $headings, $displayString); - $Str .= ''."\n"; - - my $alternate=0; - foreach (@$students) { -# if ($mySections{$cache{$_.':'.'section'}} ne 'True') {next;} - my ($username, $domain) = split(':', $_); - if($alternate) { - $Str .= ''; - } else { - $Str .= ''; - } - $alternate = ($alternate + 1) % 2; - foreach my $data (@$studentInformation) { - $Str .= ''."\n"; - } - } - - $Str .= ''."\n"; - $Str .= '
DISPLAYDATA 
'; - if($data eq 'fullname') { - $Str .= ''; - $Str .= $cache{$_.':'.$data}.' '; - $Str .= ''; - } elsif($data eq 'updateTime') { - $Str .= ''; - $Str .= $cache{$_.':'.$data}.' '; - $Str .= ' '; - } else { - $Str .= $cache{$_.':'.$data}.' '; - } - - $Str .= '
'."\n"; - $r->print($Str); - $r->rflush(); - - untie(%cache); - - return; -} - +############################################## +############################################## sub CreateMainMenu { - my ($status, $reports)=@_; - - my $Str = ''; - - $Str .= ''."\n"; - $Str .= ''."\n"; - $Str .= ''."\n"; - $Str .= ''."\n"; - $Str .= ''."\n"; - $Str .= ''."\n"; - - $Str .= ''."\n"; - - $Str .= '
Select a ReportStudent Status
{'reportSelected'} eq $reports->{$_}) { - $Str .= ' selected=""'; - } - $Str .= '>'.$reports->{$_}.''."\n"; - } - $Str .= ''; - $Str .= &Apache::lonhtmlcommon::StatusOptions($status, 'Statistics'); - $Str .= '
'."\n"; - $Str .= '
'."\n"; - - return $Str; -} - -sub BuildStatistics { - my ($r)=@_; - - my $c = $r->connection; - my @studentInformation=('fullname','section','id','domain','username', - 'updateTime'); - my @headings=('Full Name', 'Section', 'PID', 'Domain', 'User Name', - 'Last Updated'); - my $spacing = ' '; - - my %reports = ('classlist' => 'Class list', - 'problem_statistics' => 'Problem Statistics', - 'student_assessment' => 'Student Assessment', - 'percentage' => 'Correct-problems Plot', -# 'activitylog' => 'Activity Log', - 'reportSelected' => 'Class list'); - - my %cache; - my $courseID=$ENV{'request.course.id'}; - my $cacheDB = "/home/httpd/perl/tmp/$ENV{'user.name'}". - "_$ENV{'user.domain'}_$courseID\_statistics.db"; - - $r->print(&Apache::lonhtmlcommon::Title('Course Statistics and Charts')); - - my ($returnValue, $students) = &PrepareData($c, $cacheDB, - \@studentInformation, - \@headings,$r); - if($returnValue ne 'OK') { - $r->print($returnValue."\n".''); - return OK; - } - if(!$c->aborted()) { - &Apache::loncoursedata::CheckForResidualDownload($cacheDB, - 'true', 'true', - $courseID, - $r, $c); - } - - my $GoToPage; - if(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) { - $GoToPage = $cache{'reportSelected'}; - $reports{'reportSelected'} = $cache{'reportSelected'}; - if(defined($cache{'reportKey'}) && - !exists($reports{$cache{'reportKey'}}) && - $cache{'reportKey'} ne 'false') { - $reports{$cache{'reportKey'}} = $cache{'reportSelected'}; - } - - if(defined($cache{'OptionResponses'})) { - $reports{'problem_analysis'} = 'Option Response Analysis'; - } - - $r->print('
print('method="post" action="/adm/statistics">'); - $r->print(&CreateMainMenu($cache{'Status'}, \%reports)); - $r->rflush(); - untie(%cache); - } else { - $r->print('Unable to tie database.'); - return OK; - } - - if($GoToPage eq 'Activity Log') { - &Apache::lonproblemstatistics::Activity(); - } elsif($GoToPage eq 'Problem Statistics') { - &Apache::lonproblemstatistics::BuildProblemStatisticsPage($cacheDB, - $students, - $courseID, - $c,$r); - } elsif($GoToPage eq 'Option Response Analysis') { - &Apache::lonproblemanalysis::BuildProblemAnalysisPage($cacheDB, $r); - } elsif($GoToPage eq 'Student Assessment') { - &Apache::lonstudentassessment::BuildStudentAssessmentPage($cacheDB, - $students, - $courseID, - 'Statistics', - \@headings, - $spacing, - \@studentInformation, - $r, $c); - } elsif($GoToPage eq 'Analyze') { - &Apache::lonproblemanalysis::BuildAnalyzePage($cacheDB, $students, - $courseID, $r); - } elsif($GoToPage eq 'DoDiffGraph' || $GoToPage eq 'PercentWrongGraph') { - my $courseDescription = $ENV{'course.'.$courseID.'.description'}; - $courseDescription =~ s/\ /"_"/eg; - &Apache::lonproblemstatistics::BuildGraphicChart($GoToPage, $cacheDB, - $courseDescription, - $students, $courseID, - $r, $c); - } elsif($GoToPage eq 'Class list') { - &DisplayClasslist($r); -# &BuildClasslist($cacheDB, $students, \@studentInformation, -# \@headings, $r); - } elsif($GoToPage eq 'Correct-problems Plot') { - &Apache::lonpercentage::BuildPercentageGraph($cacheDB, $students, - $courseID, $c, $r); + # + # Define menu data + my @reports = ({ internal_name => 'problem_statistics', + name => &mt('Overall Problem Statistics'), + short_description => + &mt('Student performance statistics on all problems.'), + }, + { internal_name => 'problem_analysis', + name => &mt('Detailed Problem Analysis'), + short_description => + &mt('Detailed statistics and graphs of student performance on problems.'), + }, + { internal_name => 'submissiontime_analysis', + name => &mt('Submission Time Plots'), + short_description => + &mt('Display and analysis of submission times on assessments.'), + }, + { internal_name => 'student_submission_reports', + name => &mt('Student Submission Reports'), + short_description => + &mt('Prepare reports of student submissions.'), + }, + { internal_name => 'survey_reports', + name => &mt('Survey Reports'), + short_description => + &mt('Prepare reports on survey results.'), + }, + { internal_name => 'correct_problems_plot', + name => &mt('Correct Problems Plot'), + short_description => + &mt('Display a histogram of student performance in the course.'), + }, +# { internal_name => 'grading_analysis', +# name => &mt('Detailed Grading Analysis'), +# short_description => +# &mt('Display statistics about who graded who.'), +# }, +# { internal_name => 'student_assessment', +# name => &mt('Problem Status Chart'), +# short_description => +# &mt('Brief view of each students performance in course.'), +# }, + # 'percentage' => 'Correct-problems Plot', + # 'activitylog' => 'Activity Log', + ); + # + # Create the menu + my $Str; + $Str .= '

'.&mt('Please select a report to generate').'

'; + foreach my $reportdata (@reports) { + $Str .='

'. + $reportdata->{'name'}."

\n"; + $Str .= ' '.(' 'x8).$reportdata->{'short_description'}. + "\n"; } - - $r->print('
'."\n"); - $r->print("\n".''."\n".''); - $r->rflush(); - - return OK; + $Str .="\n"; + # + return $Str; } -# ================================================================ Main Handler - +############################################## +############################################## sub handler { my $r=shift; - -# $jr = $r; - + my $c = $r->connection(); + # + # Check for overloading my $loaderror=&Apache::lonnet::overloaderror($r); if ($loaderror) { return $loaderror; } $loaderror= &Apache::lonnet::overloaderror($r, - $ENV{'course.'.$ENV{'request.course.id'}.'.home'}); + $env{'course.'.$env{'request.course.id'}.'.home'}); if ($loaderror) { return $loaderror; } - - unless(&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) { - $ENV{'user.error.msg'}= - $r->uri.":vgr:0:0:Cannot view grades for complete course"; - return HTTP_NOT_ACCEPTABLE; - } - - # Set document type for header only - if($r->header_only) { - if ($ENV{'browser.mathml'}) { - $r->content_type('text/xml'); - } else { - $r->content_type('text/html'); + # + # Check for access + if (! &Apache::lonnet::allowed('vgr',$env{'request.course.id'})) { + $env{'user.error.msg'}= + $r->uri.":vgr:0:0:Cannot view grades for complete course"; + if (! &Apache::lonnet::allowed('vgr', + $env{'request.course.id'}.'/'.$env{'request.course.sec'})) { + $env{'user.error.msg'}= + $r->uri.":vgr:0:0:Cannot view grades with given role"; + return HTTP_NOT_ACCEPTABLE; } - &Apache::loncommon::no_cache($r); - $r->send_http_header; - return OK; } - - unless($ENV{'request.course.fn'}) { - my $requrl=$r->uri; - $ENV{'user.error.msg'}="$requrl:bre:0:0:Course not initialized"; - return HTTP_NOT_ACCEPTABLE; - } - - $r->content_type('text/html'); + # + # Send the header + &Apache::loncommon::no_cache($r); + &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; - + if ($r->header_only) { return OK; } + # + # Extract form elements from query string &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, - ['sort']); - - &PrepareClasslist($r); - - &PrepareCourseData($r); - - &BuildStatistics($r); - + ['sort','reportSelected', + 'SelectedStudent']); + # + # Give the LON-CAPA page header + my $style = < + ul.sub_studentans { list-style-type: none } + ul.sub_correctans { list-style-type: none } + tr.even { background-color: \#CCCCCC } + td.essay { border: 1px solid gray; } + +ENDSTYLE + + $r->print(&Apache::loncommon::start_page('Course Statistics and Charts', + $style)); + $r->rflush(); + # + # Either print out a menu for them or send them to a report + &Apache::lonhtmlcommon::clear_breadcrumbs(); + &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/statistics', + title=>'Statistics', + text =>'Statistics', + faq=>139, + bug=>'Statistics and Charts'}); + if (! exists($env{'form.reportSelected'}) || + $env{'form.reportSelected'} eq '') { + $r->print(&Apache::lonhtmlcommon::breadcrumbs('Statistics Main Page'). + &CreateMainMenu()); + } else { + # + if (! &Apache::lonmysql::verify_sql_connection()) { + my $serveradmin = $r->dir_config('lonAdmEMail'); + $r->print('

'. + &mt('Unable to connect to database!'). + '

'); + $r->print('

' + .&mt('Please notify the server administrator [_1]', + ,''.$serveradmin.'') + .'

'); + $r->print('

'. + &mt('Course Statistics and Charts cannot be '. + 'retrieved until the database is restarted. '. + 'Your data is intact but cannot be displayed '. + 'at this time.').'

'); + $r->print(&Apache::loncommon::end_page()); + return; + } + # + # Clean out the caches + if (exists($env{'form.ClearCache'})) { + &Apache::loncoursedata::delete_caches($env{'requres.course.id'}); + } + # + # Begin form output + $r->print('
print('method="post" action="/adm/statistics">'); + $r->rflush(); + # + my $GoToPage = $env{'form.reportSelected'}; + # + $r->print(''); + if($GoToPage eq 'activitylog') { +# &Apache::lonproblemstatistics::Activity(); + } elsif($GoToPage eq 'problem_statistics') { + &Apache::lonhtmlcommon::add_breadcrumb + ({href=>'/adm/statistics?reportselected=problem_statistics', + text=>'Overall Problem Statistics'}); + &Apache::lonproblemstatistics::BuildProblemStatisticsPage($r,$c); + } elsif($GoToPage eq 'problem_analysis') { + &Apache::lonhtmlcommon::add_breadcrumb + ({href=>'/adm/statistics?reportselected=problem_analysis', + text=>'Detailed Problem Analysis'}); + &Apache::lonproblemanalysis::BuildProblemAnalysisPage($r,$c); + } elsif($GoToPage eq 'submissiontime_analysis') { + &Apache::lonhtmlcommon::add_breadcrumb + ({href=> + '/adm/statistics?reportselected=submissiontime_analysis', + text=>'Submission Time Plots'}); + &Apache::lonsubmissiontimeanalysis::BuildSubmissionTimePage($r,$c); + } elsif($GoToPage eq 'student_submission_reports') { + &Apache::lonhtmlcommon::add_breadcrumb + ({href=> + '/adm/statistics?reportselected=student_submission_reports', + text=>'Student Submission Reports'}); + &Apache::lonstudentsubmissions::BuildStudentSubmissionsPage($r,$c); + } elsif($GoToPage eq 'survey_reports') { + &Apache::lonhtmlcommon::add_breadcrumb + ({href=> + '/adm/statistics?reportselected=survey_reports', + text=>'Survey Reports'}); + &Apache::lonsurveyreports::BuildSurveyReportsPage($r,$c); + } elsif($GoToPage eq 'correct_problems_plot') { + &Apache::lonhtmlcommon::add_breadcrumb + ({href=>'/adm/statistics?reportselected=correct_problems_plot', + text=>'Correct Problems Plot'}); + &Apache::loncorrectproblemplot::BuildCorrectProblemsPage($r,$c); + } elsif($GoToPage eq 'student_assessment') { + &Apache::lonhtmlcommon::clear_breadcrumbs(); + &Apache::lonhtmlcommon::add_breadcrumb + ({href=>'/adm/statistics?reportselected=student_assessment', + text=>'Chart'}); + &Apache::lonstudentassessment::BuildStudentAssessmentPage($r,$c); + } elsif($GoToPage eq 'grading_analysis') { + &Apache::lonhtmlcommon::add_breadcrumb + ({href=>'/adm/statistics?reportselected=grading_anaylsis', + text=>'Grading Analysis'}); + &Apache::longradinganalysis::build_grading_analysis_page($r,$c); + } + # + $r->print("
\n"); + } + $r->print(&Apache::loncommon::end_page()); + $r->rflush(); + # return OK; } + 1; +####################################################### +####################################################### + =pod =back =cut +####################################################### +####################################################### + __END__ 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.