--- loncom/interface/loncoursedata.pm 2004/11/02 20:48:02 1.141 +++ loncom/interface/loncoursedata.pm 2005/04/19 00:44:31 1.147 @@ -1,6 +1,6 @@ # The LearningOnline Network with CAPA # -# $Id: loncoursedata.pm,v 1.141 2004/11/02 20:48:02 albertel Exp $ +# $Id: loncoursedata.pm,v 1.147 2005/04/19 00:44:31 matthew Exp $ # # Copyright Michigan State University Board of Trustees # @@ -50,7 +50,7 @@ package Apache::loncoursedata; use strict; use Apache::Constants qw(:common :http); -use Apache::lonnet(); +use Apache::lonnet; use Apache::lonhtmlcommon; use Time::HiRes; use Apache::lonmysql; @@ -66,158 +66,13 @@ and/or itself. =cut -#################################################### -#################################################### - -=pod - -=item &get_sequence_assessment_data() - -Use lonnavmaps to build a data structure describing the order and -assessment contents of each sequence in the current course. - -The returned structure is a hash reference. - -{ title => 'title', - symb => 'symb', - src => '/s/o/u/r/c/e', - type => (container|assessment), - num_assess => 2, # only for container - parts => [11,13,15], # only for assessment - response_ids => [12,14,16], # only for assessment - contents => [........] # only for container -} - -$hash->{'contents'} is a reference to an array of hashes of the same structure. - -Also returned are array references to the sequences and assessments contained -in the course. - - -=cut - -#################################################### -#################################################### -sub get_sequence_assessment_data { - my $fn=$ENV{'request.course.fn'}; - ## - ## use navmaps - my $navmap = Apache::lonnavmaps::navmap->new(); - if (!defined($navmap)) { - return 'Can not open Coursemap'; - } - # We explicity grab the top level map because I am not sure we - # are pulling it from the iterator. - my $top_level_map = $navmap->getById('0.0'); - # - my $iterator = $navmap->getIterator(undef, undef, undef, 1); - my $curRes = $iterator->next(); # Top level sequence - ## - ## Prime the pump - ## - ## We are going to loop until we run out of sequences/pages to explore for - ## resources. This means we have to start out with something to look - ## at. - my $title = $ENV{'course.'.$ENV{'request.course.id'}.'.description'}; - my $symb = $top_level_map->symb(); - my $src = $top_level_map->src(); - my $randompick = $top_level_map->randompick(); - # - my @Sequences; - my @Assessments; - my @Nested_Sequences = (); # Stack of sequences, keeps track of depth - my $top = { title => $title, - src => $src, - symb => $symb, - type => 'container', - num_assess => 0, - num_assess_parts => 0, - contents => [], - randompick => $randompick, - }; - push (@Sequences,$top); - push (@Nested_Sequences, $top); - # - # We need to keep track of which sequences contain homework problems - # - my $previous_too; - my $previous; - while (scalar(@Nested_Sequences)) { - $previous_too = $previous; - $previous = $curRes; - $curRes = $iterator->next(); - my $currentmap = $Nested_Sequences[-1]; # Last one on the stack - if ($curRes == $iterator->BEGIN_MAP()) { - if (! ref($previous)) { - $previous = $previous_too; - } - if (! ref($previous)) { - next; - } - # get the map itself, instead of BEGIN_MAP - $title = $previous->compTitle; - $symb = $previous->symb(); - $src = $previous->src(); - $randompick = $previous->randompick(); - my $newmap = { title => $title, - src => $src, - symb => $symb, - type => 'container', - num_assess => 0, - randompick => $randompick, - contents => [], - }; - push (@{$currentmap->{'contents'}},$newmap); # this is permanent - push (@Sequences,$newmap); - push (@Nested_Sequences, $newmap); # this is a stack - next; - } - if ($curRes == $iterator->END_MAP()) { - pop(@Nested_Sequences); - next; - } - next if (! ref($curRes)); - next if (! $curRes->is_problem() && $curRes->src() !~ /\.survey$/); - # Okay, from here on out we only deal with assessments - $title = $curRes->compTitle(); - $symb = $curRes->symb(); - $src = $curRes->src(); - my $parts = $curRes->parts(); - my %partdata; - foreach my $part (@$parts) { - my @Responses = $curRes->responseType($part); - my @Ids = $curRes->responseIds($part); - $partdata{$part}->{'ResponseTypes'}= \@Responses; - $partdata{$part}->{'ResponseIds'} = \@Ids; - $partdata{$part}->{'Survey'} = $curRes->is_survey($part); - # Count how many responses of each type there are in this part - foreach (@Responses) { - $partdata{$part}->{$_}++; - } - } - my $assessment = { title => $title, - src => $src, - symb => $symb, - type => 'assessment', - parts => $parts, - num_parts => scalar(@$parts), - partdata => \%partdata, - }; - push(@Assessments,$assessment); - push(@{$currentmap->{'contents'}},$assessment); - $currentmap->{'num_assess'}++; - $currentmap->{'num_assess_parts'}+= scalar(@$parts); - } - return ($top,\@Sequences,\@Assessments); -} - sub LoadDiscussion { my ($courseID)=@_; my %Discuss=(); my %contrib=&Apache::lonnet::dump( $courseID, - $ENV{'course.'.$courseID.'.domain'}, - $ENV{'course.'.$courseID.'.num'}); + $env{'course.'.$courseID.'.domain'}, + $env{'course.'.$courseID.'.num'}); #my %contrib=&DownloadCourseInformation($name, $courseID, 0); @@ -777,13 +632,20 @@ sub init_dbs { =item &delete_caches() +This routine drops all the tables associated with a course from the +MySQL database. + +Input: course id (optional, determined by environment if omitted) + +Returns: nothing + =cut ################################################ ################################################ sub delete_caches { my $courseid = shift; - $courseid = $ENV{'request.course.id'} if (! defined($courseid)); + $courseid = $env{'request.course.id'} if (! defined($courseid)); # &setup_table_names($courseid); # @@ -999,7 +861,7 @@ sub get_student { sub populate_student_table { my ($courseid) = @_; if (! defined($courseid)) { - $courseid = $ENV{'request.course.id'}; + $courseid = $env{'request.course.id'}; } # &setup_table_names($courseid); @@ -1058,7 +920,6 @@ sub clear_internal_caches { undef(%students_by_id); } - ################################################ ################################################ @@ -1409,23 +1270,28 @@ sub store_student_data { # make sure the symb is set up properly my $symb_id = &get_symb_id($current_symb); # - # Load data into the tables + # Parameters while (my ($parameter,$value) = each(%$param_hash)) { - my $newstring; if ($parameter !~ /(timestamp|resource\.(.*)\.(solved|tries|awarded|award|awarddetail|previous))/) { - $newstring = "('".join("','", - $symb_id,$student_id, - $parameter)."',". - $dbh->quote($value)."),\n"; + my $sql_parameter = "('".join("','", + $symb_id,$student_id, + $parameter)."',". + $dbh->quote($value)."),\n"; $num_parameters ++; - if ($newstring !~ /''/) { - $store_parameters_command .= $newstring; + if ($sql_parameter !~ /''/) { + $store_parameters_command .= $sql_parameter; $rows_stored++; } } - next if ($parameter !~ /^resource\.(.*)\.solved$/); - # + } + # Performance + my %stored; + while (my ($parameter,$value) = each(%$param_hash)) { + next if ($parameter !~ /^resource\.(.*)\.(solved|awarded)$/); my $part = $1; + next if (exists($stored{$part})); + $stored{$part}++; + # my $part_id = &get_part_id($part); next if (!defined($part_id)); my $solved = $value; @@ -1440,29 +1306,30 @@ sub store_student_data { $awarded = '' if (! defined($awarded)); $award = '' if (! defined($award)); $awarddetail = '' if (! defined($awarddetail)); - $newstring = "('".join("','",$symb_id,$student_id,$part_id,$part, - $solved,$tries,$awarded,$award, - $awarddetail,$timestamp)."'),\n"; - $store_performance_command .= $newstring; + my $sql_performance = + "('".join("','",$symb_id,$student_id,$part_id,$part, + $solved,$tries,$awarded,$award, + $awarddetail,$timestamp)."'),\n"; + $store_performance_command .= $sql_performance; $rows_stored++; } } - chop $store_parameters_command; - chop $store_parameters_command; - chop $store_performance_command; - chop $store_performance_command; + $store_parameters_command =~ s|,\n$||; + $store_performance_command =~ s|,\n$||; my $start = Time::HiRes::time; $dbh->do($store_performance_command); if ($dbh->err()) { - &Apache::lonnet::logthis(' bigass insert error:'.$dbh->errstr()); - &Apache::lonnet::logthis('command = '.$store_performance_command); + &Apache::lonnet::logthis('performance bigass insert error:'. + $dbh->errstr()); + &Apache::lonnet::logthis('command = '.$/.$store_performance_command); $returnstatus = 'error: unable to insert performance into database'; return ($returnstatus,$student_data); } $dbh->do($store_parameters_command) if ($num_parameters>0); if ($dbh->err()) { - &Apache::lonnet::logthis(' bigass insert error:'.$dbh->errstr()); - &Apache::lonnet::logthis('command = '.$store_parameters_command); + &Apache::lonnet::logthis('parameters bigass insert error:'. + $dbh->errstr()); + &Apache::lonnet::logthis('command = '.$/.$store_parameters_command); &Apache::lonnet::logthis('rows_stored = '.$rows_stored); &Apache::lonnet::logthis('student_id = '.$student_id); $returnstatus = 'error: unable to insert parameters into database'; @@ -1490,7 +1357,7 @@ Returns nothing on success and 'error' o ###################################### sub ensure_tables_are_set_up { my ($courseid) = @_; - $courseid = $ENV{'request.course.id'} if (! defined($courseid)); + $courseid = $env{'request.course.id'} if (! defined($courseid)); # # Clean out package variables &setup_table_names($courseid); @@ -1547,7 +1414,7 @@ sub ensure_current_data { my ($sname,$sdom,$courseid) = @_; my $status = 'okay'; # return value # - $courseid = $ENV{'request.course.id'} if (! defined($courseid)); + $courseid = $env{'request.course.id'} if (! defined($courseid)); &ensure_tables_are_set_up($courseid); # # Get the update time for the user @@ -1596,7 +1463,7 @@ sub ensure_current_full_data { my ($sname,$sdom,$courseid) = @_; my $status = 'okay'; # return value # - $courseid = $ENV{'request.course.id'} if (! defined($courseid)); + $courseid = $env{'request.course.id'} if (! defined($courseid)); &ensure_tables_are_set_up($courseid); # # Get the update time for the user @@ -1772,7 +1639,7 @@ an empty list is returned. sub get_current_state { my ($sname,$sdom,$symb,$courseid,$forcedownload)=@_; # - $courseid = $ENV{'request.course.id'} if (! defined($courseid)); + $courseid = $env{'request.course.id'} if (! defined($courseid)); # return () if (! defined($sname) || ! defined($sdom)); # @@ -1875,7 +1742,7 @@ able to answer it correctly. sub get_problem_statistics { my ($Sections,$status,$symb,$part,$courseid,$starttime,$endtime) = @_; return if (! defined($symb) || ! defined($part)); - $courseid = $ENV{'request.course.id'} if (! defined($courseid)); + $courseid = $env{'request.course.id'} if (! defined($courseid)); # &setup_table_names($courseid); my $symb_id = &get_symb_id($symb); @@ -2024,14 +1891,28 @@ sub execute_SQL_request { sub populate_weight_table { my ($courseid) = @_; if (! defined($courseid)) { - $courseid = $ENV{'request.course.id'}; + $courseid = $env{'request.course.id'}; } # &setup_table_names($courseid); - my ($top,$sequences,$assessments) = get_sequence_assessment_data(); - if (! defined($top) || ! ref($top)) { - # There has been an error, better report it - &Apache::lonnet::logthis('top is undefined'); + my $navmap = Apache::lonnavmaps::navmap->new(); + if (!defined($navmap)) { + &Apache::lonnet::logthis('loncoursedata::populate_weight_table:'.$/. + ' unable to get navmaps resource'.$/. + ' '.join(' ',(caller))); + return; + } + my @sequences = $navmap->retrieveResources(undef, + sub { shift->is_map(); },1,0,1); + my @resources; + foreach my $seq (@sequences) { + push(@resources,$navmap->retrieveResources($seq, + sub {shift->is_problem();}, + 0,0,0)); + } + if (! scalar(@resources)) { + &Apache::lonnet::logthis('loncoursedata::populate_weight_table:'.$/. + ' no resources returned for '.$courseid); return; } # Since we use lonnet::EXT to retrieve problem weights, @@ -2041,12 +1922,12 @@ sub populate_weight_table { my $request = 'INSERT IGNORE INTO '.$weight_table. "(symb_id,part_id,weight) VALUES "; my $weight; - foreach my $res (@$assessments) { - my $symb_id = &get_symb_id($res->{'symb'}); - foreach my $part (@{$res->{'parts'}}) { + foreach my $res (@resources) { + my $symb_id = &get_symb_id($res->symb); + foreach my $part (@{$res->parts}) { my $part_id = &get_part_id($part); $weight = &Apache::lonnet::EXT('resource.'.$part.'.weight', - $res->{'symb'}, + $res->symb, undef,undef,undef); if (!defined($weight) || ($weight eq '')) { $weight=1; @@ -2160,7 +2041,7 @@ sub rank_students_by_scores_on_resources my ($resources,$Sections,$enrollment,$courseid,$starttime,$endtime) = @_; return if (! defined($resources) || ! ref($resources) eq 'ARRAY'); if (! defined($courseid)) { - $courseid = $ENV{'request.course.id'}; + $courseid = $env{'request.course.id'}; } # &setup_table_names($courseid); @@ -2218,9 +2099,9 @@ Returns: the sum of the score on the pro ######################################################## ######################################################## sub get_sum_of_scores { - my ($resource,$part,$students,$courseid,$starttime,$endtime) = @_; + my ($symb,$part,$students,$courseid,$starttime,$endtime) = @_; if (! defined($courseid)) { - $courseid = $ENV{'request.course.id'}; + $courseid = $env{'request.course.id'}; } if (defined($students) && ((@$students == 0) || @@ -2237,7 +2118,7 @@ sub get_sum_of_scores { my $request = 'SELECT SUM(a.awarded*w.weight),SUM(w.weight) FROM '. $performance_table.' AS a '. 'NATURAL LEFT JOIN '.$weight_table.' AS w '; - $request .= 'WHERE a.symb_id='.&get_symb_id($resource->{'symb'}). + $request .= 'WHERE a.symb_id='.&get_symb_id($symb). ' AND a.part_id='.&get_part_id($part); if (defined($time_limits)) { $request .= ' AND '.$time_limits; @@ -2284,7 +2165,7 @@ Returns: minimum, maximum, mean, s.d., n sub score_stats { my ($Sections,$enrollment,$symbs,$starttime,$endtime,$courseid)=@_; if (! defined($courseid)) { - $courseid = $ENV{'request.course.id'}; + $courseid = $env{'request.course.id'}; } # &setup_table_names($courseid); @@ -2358,7 +2239,7 @@ Returns: minimum, maximum, mean, s.d., a sub count_stats { my ($Sections,$enrollment,$symbs,$starttime,$endtime,$courseid)=@_; if (! defined($courseid)) { - $courseid = $ENV{'request.course.id'}; + $courseid = $env{'request.course.id'}; } # &setup_table_names($courseid); @@ -2415,7 +2296,7 @@ sub count_stats { ###################################################### sub get_student_data { my ($students,$courseid) = @_; - $courseid = $ENV{'request.course.id'} if (! defined($courseid)); + $courseid = $env{'request.course.id'} if (! defined($courseid)); &setup_table_names($courseid); my $dbh = &Apache::lonmysql::get_dbh(); return undef if (! defined($dbh)); @@ -2456,7 +2337,7 @@ sub get_response_data { my ($Sections,$enrollment,$symb,$response,$courseid) = @_; return undef if (! defined($symb) || ! defined($response)); - $courseid = $ENV{'request.course.id'} if (! defined($courseid)); + $courseid = $env{'request.course.id'} if (! defined($courseid)); # &setup_table_names($courseid); my $symb_id = &get_symb_id($symb); @@ -2529,7 +2410,7 @@ sub get_response_data_by_student { my ($student,$symb,$response,$courseid) = @_; return undef if (! defined($symb) || ! defined($response)); - $courseid = $ENV{'request.course.id'} if (! defined($courseid)); + $courseid = $env{'request.course.id'} if (! defined($courseid)); # &setup_table_names($courseid); my $symb_id = &get_symb_id($symb); @@ -2582,32 +2463,46 @@ sub RT_tries { return 2; } sub RT_timestamp { return 3; } sub get_response_time_data { - my ($students,$symb,$part,$courseid) = @_; + my ($sections,$enrollment,$symb,$part,$courseid) = @_; return undef if (! defined($symb) || ! defined($part)); - $courseid = $ENV{'request.course.id'} if (! defined($courseid)); + $courseid = $env{'request.course.id'} if (! defined($courseid)); # &setup_table_names($courseid); my $symb_id = &get_symb_id($symb); + if (! defined($symb_id)) { + &Apache::lonnet::logthis('Unable to find symb for '.$symb.' in '.$courseid); + return undef; + } my $part_id = &get_part_id($part); + if (! defined($part_id)) { + &Apache::lonnet::logthis('Unable to find id for '.$part.' in '.$courseid); + return undef; + } # my $dbh = &Apache::lonmysql::get_dbh(); return undef if (! defined($dbh)); + my ($student_requirements,$enrollment_requirements) = + &limit_by_section_and_status($sections,$enrollment,'d'); my $request = 'SELECT '. 'a.student_id, a.awarded, a.tries, b.timestamp '. 'FROM '.$fulldump_part_table.' AS a '. - 'NATURAL LEFT JOIN '.$fulldump_timestamp_table.' AS b '. -# 'ON a.symb_id=b.symb_id AND a.student_id=b.student_id AND '. -# 'a.transaction = b.transaction '. + 'LEFT JOIN '.$fulldump_timestamp_table.' AS b '. + 'ON a.symb_id=b.symb_id AND a.student_id=b.student_id AND '. + 'a.transaction = b.transaction '. + 'LEFT JOIN '.$student_table.' as d '. + 'ON a.student_id=d.student_id '. 'WHERE '. 'a.symb_id='.$symb_id.' AND a.part_id='.$part_id; - if (defined($students)) { - $request .= ' AND ('. - join(' OR ', map {'a.student_id='. - &get_student_id($_->{'username'}, - $_->{'domain'}) - } @$students - ).')'; + if (defined($student_requirements) || defined($enrollment_requirements)) { + $request .= ' AND '; + if (defined($student_requirements)) { + $request .= $student_requirements.' AND '; + } + if (defined($enrollment_requirements)) { + $request .= $enrollment_requirements.' AND '; + } + $request =~ s/( AND )$//; } $request .= ' ORDER BY b.timestamp'; # &Apache::lonnet::logthis("request =\n".$request); @@ -2637,12 +2532,15 @@ sub get_response_time_data { ################################################ ################################################ sub get_student_scores { - my ($Sections,$Symbs,$enrollment,$courseid,$starttime,$endtime) = @_; - $courseid = $ENV{'request.course.id'} if (! defined($courseid)); + my ($sections,$Symbs,$enrollment,$courseid,$starttime,$endtime) = @_; + $courseid = $env{'request.course.id'} if (! defined($courseid)); &setup_table_names($courseid); my $dbh = &Apache::lonmysql::get_dbh(); return (undef) if (! defined($dbh)); my $tmptable = $courseid.'_temp_'.time; + my $request = 'DROP TABLE IF EXISTS '.$tmptable; +# &Apache::lonnet::logthis('request = '.$/.$request); + $dbh->do($request); # my $symb_requirements; if (defined($Symbs) && @$Symbs) { @@ -2653,34 +2551,17 @@ sub get_student_scores { } @$Symbs).')'; } # - my $student_requirements; - if ( (defined($Sections) && $Sections->[0] ne 'all')) { - $student_requirements = '('. - join(' OR ', map { "b.section='".$_."'" } @$Sections - ).')'; - } - # - my $enrollment_requirements=undef; - if (defined($enrollment) && $enrollment ne 'Any') { - $enrollment_requirements = "b.status='".$enrollment."'"; - } + my ($student_requirements,$enrollment_requirements) = + &limit_by_section_and_status($sections,$enrollment,'b'); # - my $time_requirements = undef; - if (defined($starttime)) { - $time_requirements .= "a.timestamp>='".$starttime."'"; - if (defined($endtime)) { - $time_requirements .= " AND a.timestamp<='".$endtime."'"; - } - } elsif (defined($endtime)) { - $time_requirements .= "a.timestamp<='".$endtime."'"; - } - ## + my $time_requirements = &limit_by_start_end_time($starttime,$endtime,'a'); ## - my $request = 'CREATE TEMPORARY TABLE IF NOT EXISTS '.$tmptable. - ' SELECT a.student_id,SUM(a.awarded) AS score FROM '. + $request = 'CREATE TEMPORARY TABLE IF NOT EXISTS '.$tmptable. + ' SELECT a.student_id,SUM(a.awarded*c.weight) AS score FROM '. $performance_table.' AS a '; + $request .= "LEFT JOIN ".$weight_table.' AS c ON a.symb_id=c.symb_id AND a.part_id=c.part_id '; if (defined($student_requirements) || defined($enrollment_requirements)) { - $request .= ' NATURAL LEFT JOIN '.$student_table.' AS b '; + $request .= ' LEFT JOIN '.$student_table.' AS b ON a.student_id=b.student_id'; } if (defined($symb_requirements) || defined($student_requirements) || @@ -2742,7 +2623,7 @@ Cleans up the package variables for loca sub setup_table_names { my ($courseid) = @_; if (! defined($courseid)) { - $courseid = $ENV{'request.course.id'}; + $courseid = $env{'request.course.id'}; } # if (! defined($current_course) || $current_course ne $courseid) { @@ -2817,8 +2698,8 @@ from the students environment. Optional arguments are $cid, $cdom, and $cnum (course id, course domain, and course number, respectively). Any omitted arguments will be taken -from the current environment ($ENV{'request.course.id'}, -$ENV{'course.'.$cid.'.domain'}, and $ENV{'course.'.$cid.'.num'}). +from the current environment ($env{'request.course.id'}, +$env{'course.'.$cid.'.domain'}, and $env{'course.'.$cid.'.num'}). Returns a reference to a hash which contains: keys '$sname:$sdom' @@ -2846,9 +2727,9 @@ sub CL_LOCKEDTYPE { return 9; } sub get_classlist { my ($cid,$cdom,$cnum) = @_; - $cid = $cid || $ENV{'request.course.id'}; - $cdom = $cdom || $ENV{'course.'.$cid.'.domain'}; - $cnum = $cnum || $ENV{'course.'.$cid.'.num'}; + $cid = $cid || $env{'request.course.id'}; + $cdom = $cdom || $env{'course.'.$cid.'.domain'}; + $cnum = $cnum || $env{'course.'.$cid.'.num'}; my $now = time; # my %classlist=&Apache::lonnet::dump('classlist',$cdom,$cnum);