version 1.6, 2002/03/02 23:22:32
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version 1.64, 2003/03/07 18:46:38
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# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
# (Publication Handler |
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# |
# |
# $Id$ |
# $Id$ |
# |
# |
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Line 25
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# http://www.lon-capa.org/ |
# http://www.lon-capa.org/ |
# |
# |
# (Navigate problems for statistical reports |
# (Navigate problems for statistical reports |
# YEAR=2001 |
# |
# 5/05,7/09,7/25/01,8/11,9/13,9/26,10/5,10/9,10/22,10/26 Behrouz Minaei |
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# 11/1, 11/4, 11/16, 12/14, 12/16, 12/18,12/20,12/31 Behrouz Minaei |
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# YEAR=2002 |
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# 1/22, 2/1, 2/6, 2/25, 3/2 Behrouz Minaei |
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### |
### |
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package Apache::lonstatistics; |
=pod |
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=head1 NAME |
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lonstatistics |
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=head1 SYNOPSIS |
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Main handler for statistics and chart. |
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=head1 PACKAGES USED |
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use strict; |
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use Apache::Constants qw(:common :http); |
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use Apache::lonnet(); |
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use Apache::lonhomework; |
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use Apache::loncommon; |
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use Apache::loncoursedata; |
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use Apache::lonhtmlcommon; |
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use Apache::lonproblemanalysis; |
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use Apache::lonproblemstatistics; |
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use Apache::lonstudentassessment; |
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use Apache::lonpercentage; |
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use GDBM_File; |
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=over 4 |
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=cut |
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package Apache::lonstatistics; |
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use strict; |
use strict; |
use Apache::Constants qw(:common :http); |
use Apache::Constants qw(:common :http); |
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use vars qw( |
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@FullClasslist |
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@Students |
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@Sections |
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@SelectedSections |
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%StudentData |
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@StudentDataOrder |
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@SelectedStudentData |
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$top_map |
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@Sequences |
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@SelectedMaps |
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@Assessments); |
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use Apache::lonnet(); |
use Apache::lonnet(); |
use Apache::lonhomework; |
use Apache::lonhomework; |
use HTML::TokeParser; |
use Apache::loncommon; |
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use Apache::loncoursedata; |
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use Apache::lonhtmlcommon; |
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use Apache::lonproblemanalysis(); |
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use Apache::lonproblemstatistics(); |
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use Apache::lonstudentassessment(); |
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use Apache::lonpercentage; |
use GDBM_File; |
use GDBM_File; |
#use Benchmark; |
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# -------------------------------------------------------------- Module Globals |
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my %hash; |
####################################################### |
my %CachData; |
####################################################### |
my %GraphDat; |
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my %maps; |
=pod |
my %mapsort; |
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my %section; |
=item Package Variables |
my %StuBox; |
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my %DiscFac; |
=item @FullClasslist The full classlist |
my $CurMap; |
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my $CurSec; |
=item @Students The students we are concerned with for this invocation |
my $CurStu; |
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my @cols; |
=item @Sections The sections available in this class |
my @list; |
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my @students; |
=item $curr_student The student currently being examined |
my $p_count; |
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my $Pos; |
=item $prev_student The student previous in the classlist |
my $r; |
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my $OpSel1; |
=item $next_student The student next in the classlist |
my $OpSel2; |
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my $OpSelDis1; |
=over |
my $OpSelDis2; |
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my $CurDis=0; |
=cut |
my $OpSel3; |
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my $OpSel4; |
####################################################### |
my $GData; |
####################################################### |
my $cid; |
# |
my $firstres; |
# Classlist variables |
my $lastres; |
# |
my $DiscFlag; |
my $curr_student; |
my $HWN; |
my $prev_student; |
my $P_Order; |
my $next_student; |
my %Header = (0,"Homework Sets Order",1,"#Stdnts",2,"Tries",3,"Mod", |
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4,"Mean",5,"#YES",6,"#yes",7,"%Wrng",8,"DoDiff", |
####################################################### |
9,"S.D.",10,"Skew.",11,"Map"); |
####################################################### |
# 11,"Dis.F.",12,"Resourse URL"); |
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=pod |
sub NumericSort { |
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$a <=> $b; |
=item &clear_classlist_variables() |
} |
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undef the following package variables: |
# ------ Create different Student Report |
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sub StudentReport { |
=over |
my ($sname,$sdom)=@_; |
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if ( $sname eq 'All Students' ) { |
=item @FullClasslist |
$r->print( '<h3><font color=blue>WARNING: |
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Please select a student</font></h3>' ); |
=item @Students |
return; |
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} |
=item @Sections |
my $shome=&Apache::lonnet::homeserver( $sname,$sdom ); |
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my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.':'.$cid,$shome ); |
=item @SelectedSections |
my %result = (); |
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my $ResId; |
=item %StudentData |
my $PrOrd; |
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my $Code; |
=item @StudentDataOrder |
my $Tries; |
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my $TotalTries = 0; |
=item @SelectedStudentData |
my $ParCr = 0; |
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my $Wrongs; |
=item $curr_student |
my %TempHash; |
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my $Version; |
=item $prev_student |
my $LatestVersion; |
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my $PtrTry=''; |
=item $next_student |
my $PtrCod=''; |
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my $SetNo=0; |
=back |
my $Str = "\n".'<table border=2>'. |
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"\n".'<tr>'. |
=cut |
"\n".'<th> # </th>'. |
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"\n".'<th> Set Title </th>'. |
####################################################### |
"\n".'<th> Results </th>'. |
####################################################### |
"\n".'<th> Tries </th>'. |
sub clear_classlist_variables { |
"\n".'</tr>'; |
undef(@FullClasslist); |
unless ($reply=~/^error\:/) { |
undef(@Students); |
foreach (split(/\&/,$reply)){ |
undef(@Sections); |
my ($name,$value)=split(/\=/,&Apache::lonnet::unescape($_)); |
undef(@SelectedSections); |
$result{$name}=$value; |
undef(%StudentData); |
} |
undef(@SelectedStudentData); |
foreach my $CurCol (@cols) { |
undef($curr_student); |
if (!$CurCol){ |
undef($prev_student); |
my $Set=&Apache::lonnet::declutter($hash{'map_id_'.$1}); |
undef($next_student); |
if ( $Set ) { |
} |
$SetNo++; |
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$Str .= "\n"."<tr>". |
####################################################### |
"\n"."<td> $SetNo </td>". |
####################################################### |
"\n"."<td> $Set </td>". |
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"\n"."<td> $PtrCod </td>". |
=pod |
"\n"."<td> $PtrTry</td>". |
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"\n"."</tr>"; |
=item &PrepareClasslist() |
} |
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$PtrTry=''; |
Build up the classlist information. The classlist information is kept in |
$PtrCod=''; |
the following package variables: |
next; |
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} |
=over |
($PrOrd,$ResId)=split(/\:/,$CurCol); |
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$ResId=~/(\d+)\.(\d+)/; |
=item @FullClasslist |
my $Map = &Apache::lonnet::declutter( $hash{'map_id_'.$1} ); |
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if ( $CurMap ne 'All Maps' ) { |
=item @Students |
my ( $ResMap, $NameMap ) = split(/\=/,$CurMap); |
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if ( $Map ne $ResMap ) { next; } |
=item @Sections |
} |
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my $meta=$hash{'src_'.$ResId}; |
=item @SelectedSections |
my $PartNo = 0; |
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undef %TempHash; |
=item %StudentData |
foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))){ |
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if ($_=~/^stores\_(\d+)\_tries$/) { |
=item @SelectedStudentData |
my $Part=&Apache::lonnet::metadata($meta,$_.'.part'); |
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if ( $TempHash{"$Part"} eq '' ) { |
=item $curr_student |
$TempHash{"$Part"} = $Part; |
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$TempHash{$PartNo}=$Part; |
=item $prev_student |
$TempHash{"$Part.Code"} = '-'; |
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$TempHash{"$Part.PrOrd"} = $PrOrd+$PartNo; |
=item $next_student |
$PartNo++; |
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} |
=back |
} |
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$curr_student, $prev_student, and $next_student may not be defined, depending |
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upon the calling context. |
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=cut |
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####################################################### |
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####################################################### |
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sub PrepareClasslist { |
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my $r = shift; |
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my %Sections; |
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&clear_classlist_variables(); |
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# |
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# Retrieve the classlist |
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my $cid = $ENV{'request.course.id'}; |
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my $cdom = $ENV{'course.'.$cid.'.domain'}; |
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my $cnum = $ENV{'course.'.$cid.'.num'}; |
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my ($classlist,$field_names) = &Apache::loncoursedata::get_classlist($cid, |
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$cdom,$cnum); |
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if (exists($ENV{'form.Section'})) { |
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if (ref($ENV{'form.Section'})) { |
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@SelectedSections = @{$ENV{'form.Section'}}; |
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} elsif ($ENV{'form.Section'} !~ /^\s*$/) { |
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@SelectedSections = ($ENV{'form.Section'}); |
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} |
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} |
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@SelectedSections = ('all') if (! @SelectedSections); |
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foreach (@SelectedSections) { |
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if ($_ eq 'all') { |
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@SelectedSections = ('all'); |
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} |
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} |
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# |
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# Set up %StudentData |
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@StudentDataOrder = qw/fullname username domain id section status/; |
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foreach my $field (@StudentDataOrder) { |
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$StudentData{$field}->{'title'} = $field; |
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$StudentData{$field}->{'base_width'} = length($field); |
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$StudentData{$field}->{'width'} = |
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$StudentData{$field}->{'base_width'}; |
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} |
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# |
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# Process the classlist |
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while (my ($student,$student_data) = each (%$classlist)) { |
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my $studenthash = (); |
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for (my $i=0; $i< scalar(@$field_names);$i++) { |
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my $field = $field_names->[$i]; |
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# Store the data |
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$studenthash->{$field}=$student_data->[$i]; |
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# Keep track of the width of the fields |
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next if (! exists($StudentData{$field})); |
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my $length = length($student_data->[$i]); |
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if ($StudentData{$field}->{'width'} < $length) { |
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$StudentData{$field}->{'width'} = $length; |
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} |
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} |
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push (@FullClasslist,$studenthash); |
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# |
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# Build up a list of sections |
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my $section = $studenthash->{'section'}; |
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if (! defined($section) || $section =~/^\s*$/ || $section == -1) { |
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$studenthash->{'section'} = 'none'; |
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$section = $studenthash->{'section'}; |
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} |
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$Sections{$section}++; |
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# |
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# Only put in the list those students we are interested in |
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foreach my $sect (@SelectedSections) { |
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if (($sect eq 'all') || ($section eq $sect)) { |
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push (@Students,$studenthash); |
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last; |
} |
} |
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} |
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} |
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# |
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# Put the consolidated section data in the right place |
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@Sections = sort {$a cmp $b} keys(%Sections); |
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unshift(@Sections,'all'); # Put 'all' at the front of the list |
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# |
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# Sort the Students |
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my $sortby = 'fullname'; |
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$sortby = $ENV{'form.sort'} if (exists($ENV{'form.sort'})); |
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my @TmpStudents = sort { $a->{$sortby} cmp $b->{$sortby} || |
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$a->{'fullname'} cmp $b->{'fullname'} } @Students; |
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@Students = @TmpStudents; |
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# |
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# Now deal with that current student thing.... |
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if (exists($ENV{'form.StudentAssessmentStudent'})) { |
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my ($current_uname,$current_dom) = |
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split(':',$ENV{'form.StudentAssessmentStudent'}); |
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my $i; |
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for ($i = 0; $i<=$#Students; $i++) { |
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next if (($Students[$i]->{'username'} ne $current_uname) || |
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($Students[$i]->{'domain'} ne $current_dom)); |
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$curr_student = $Students[$i]; |
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last; # If we get here, we have our student. |
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} |
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if ($i == 0) { |
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$prev_student = 'none'; |
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} else { |
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$prev_student = $Students[$i-1]; |
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} |
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if ($i == $#Students) { |
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$next_student = 'none'; |
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} else { |
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$next_student = $Students[$i+1]; |
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} |
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} |
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# |
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if (exists($ENV{'form.StudentData'})) { |
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if (ref($ENV{'form.StudentData'}) eq 'ARRAY') { |
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@SelectedStudentData = @{$ENV{'form.StudentData'}}; |
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} else { |
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@SelectedStudentData = ($ENV{'form.StudentData'}); |
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} |
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} else { |
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@SelectedStudentData = ('fullname'); |
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} |
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foreach (@SelectedStudentData) { |
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if ($_ eq 'all') { |
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@SelectedStudentData = ('all'); |
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last; |
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} |
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} |
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# |
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return; |
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} |
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####################################################### |
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####################################################### |
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=pod |
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=item ¤t_student() |
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my $Prob = $Map.'___'.$2.'___'. |
Returns a pointer to a hash containing data about the currently |
&Apache::lonnet::declutter( $hash{'src_'.$ResId} ); |
selected student. |
$Code='U'; |
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$Tries = 0; |
=cut |
$Wrongs = 0; |
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$LatestVersion = $result{"version:$Prob"}; |
####################################################### |
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####################################################### |
if ( $LatestVersion ) { |
sub current_student { |
for ( my $Version=1; $Version<=$LatestVersion; $Version++ ) { |
if (defined($curr_student)) { |
my $vkeys = $result{"$Version:keys:$Prob"}; |
return $curr_student; |
my @keys = split(/\:/,$vkeys); |
} else { |
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return 'All Students'; |
foreach my $Key (@keys) { |
} |
if (($Key=~/\.(\w+)\.solved$/) && ($Key!~/^\d+\:/)) { |
} |
my $Part = $1; |
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$Tries = $result{"$Version:$Prob:resource.$Part.tries"}; |
####################################################### |
$TempHash{"$Part.Tries"} = ($Tries) ? $Tries : 0; |
####################################################### |
$TotalTries += $Tries; |
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my $Val = $result{"$Version:$Prob:resource.$Part.solved"}; |
=pod |
if ( $Val eq 'correct_by_student' ) |
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{ $Wrongs = $Tries - 1; $Code = 'Y'; } |
=item &previous_student() |
elsif ( $Val eq 'correct_by_override' ) |
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{ $Wrongs = $Tries - 1; $Code = 'y'; } |
Returns a pointer to a hash containing data about the student prior |
elsif ( $Val eq 'incorrect_attempted' || |
in the list of students. Or something. |
$Val eq 'incorrect_by_override' ) |
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{ $Wrongs = $Tries; $Code = 'N'; } |
=cut |
$TempHash{"$Part.Code"} = $Code; |
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$TempHash{"$Part.Wrongs"} = $Wrongs; |
####################################################### |
} |
####################################################### |
} |
sub previous_student { |
} |
if (defined($prev_student)) { |
for ( my $n = 0; $n < $PartNo; $n++ ) { |
return $prev_student; |
my $part = $TempHash{$n}; |
} else { |
if ($PtrTry ne '') {$PtrTry .= ',';} |
return 'No Student Selected'; |
$PtrTry .= "$TempHash{$part.'.Tries'}"; |
} |
$PtrCod .= "$TempHash{$part.'.Code'}"; |
} |
} |
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####################################################### |
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####################################################### |
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=pod |
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=item &next_student() |
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Returns a pointer to a hash containing data about the next student |
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to be viewed. |
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=cut |
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####################################################### |
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####################################################### |
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sub next_student { |
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if (defined($next_student)) { |
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return $next_student; |
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} else { |
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return 'No Student Selected'; |
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} |
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} |
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####################################################### |
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####################################################### |
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=pod |
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=item &clear_sequence_variables() |
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=cut |
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####################################################### |
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####################################################### |
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sub clear_sequence_variables { |
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undef($top_map); |
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undef(@Sequences); |
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undef(@Assessments); |
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} |
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####################################################### |
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####################################################### |
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=pod |
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=item &SetSelectedMaps($elementname) |
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Sets the @SelectedMaps array from $ENV{'form.'.$elementname}; |
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=cut |
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####################################################### |
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####################################################### |
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sub SetSelectedMaps { |
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my $elementname = shift; |
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if (exists($ENV{'form.'.$elementname})) { |
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if (ref($ENV{'form.'.$elementname})) { |
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@SelectedMaps = @{$ENV{'form.'.$elementname}}; |
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} else { |
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@SelectedMaps = ($ENV{'form.'.$elementname}); |
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} |
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} else { |
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@SelectedMaps = ('all'); |
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} |
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} |
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####################################################### |
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####################################################### |
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=pod |
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=item &Sequences_with_Assess() |
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Returns an array containing the subset of @Sequences which contain |
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assessments. |
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=cut |
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####################################################### |
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####################################################### |
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sub Sequences_with_Assess { |
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my @Sequences_to_Show; |
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foreach my $map_symb (@SelectedMaps) { |
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foreach my $sequence (@Sequences) { |
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next if ($sequence->{'symb'} ne $map_symb && $map_symb ne 'all'); |
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next if ($sequence->{'num_assess'} < 1); |
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push (@Sequences_to_Show,$sequence); |
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} |
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} |
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return @Sequences_to_Show; |
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} |
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####################################################### |
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####################################################### |
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=pod |
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=item &PrepareCourseData($r) |
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=cut |
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####################################################### |
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####################################################### |
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sub PrepareCourseData { |
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my ($r) = @_; |
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&clear_sequence_variables(); |
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my ($top,$sequences,$assessments) = |
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&Apache::loncoursedata::get_sequence_assessment_data(); |
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if (! defined($top) || ! ref($top)) { |
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# There has been an error, better report it |
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&Apache::lonnet::logthis('top is undefined'); |
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return; |
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} |
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$top_map = $top if (ref($top)); |
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@Sequences = @{$sequences} if (ref($sequences) eq 'ARRAY'); |
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@Assessments = @{$assessments} if (ref($assessments) eq 'ARRAY'); |
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# |
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# Compute column widths |
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foreach my $seq (@Sequences) { |
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my $name_length = length($seq->{'title'}); |
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my $num_parts = $seq->{'num_assess_parts'}; |
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# |
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# The number of columns needed for the summation text: |
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# " 1/5" = 1+3 columns, " 10/99" = 1+5 columns |
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my $sum_length = 1+1+2*(length($num_parts)); |
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my $num_col = $num_parts+$sum_length; |
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if ($num_col < $name_length) { |
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$num_col = $name_length; |
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} |
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$seq->{'base_width'} = $name_length; |
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$seq->{'width'} = $num_col; |
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} |
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return; |
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} |
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|
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####################################################### |
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####################################################### |
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|
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=pod |
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|
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=item &log_sequence($sequence,$recursive,$padding) |
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|
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Write data about the sequence to a logfile. If $recursive is not |
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undef the data is written recursively. $padding is used for recursive |
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calls. |
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|
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=cut |
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|
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####################################################### |
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####################################################### |
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sub log_sequence { |
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my ($seq,$recursive,$padding) = @_; |
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$padding = '' if (! defined($padding)); |
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if (ref($seq) ne 'HASH') { |
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&Apache::lonnet::logthis('log_sequence passed bad sequnce'); |
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return; |
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} |
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&Apache::lonnet::logthis($padding.'sequence '.$seq->{'title'}); |
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while (my($key,$value) = each(%$seq)) { |
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next if ($key eq 'contents'); |
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if (ref($value) eq 'ARRAY') { |
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for (my $i=0;$i< scalar(@$value);$i++) { |
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&Apache::lonnet::logthis($padding.$key.'['.$i.']='. |
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$value->[$i]); |
} |
} |
else { |
} else { |
for(my $n=0; $n<$PartNo; $n++) { |
&Apache::lonnet::logthis($padding.$key.'='.$value); |
if ($PtrTry ne '') {$PtrTry .= ',';} |
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$PtrTry .= "0"; |
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$PtrCod .= "-"; |
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} |
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} |
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} |
} |
} |
} |
$Str .= "\n".'</table>'; |
if (defined($recursive)) { |
$r->print($Str); |
&Apache::lonnet::logthis($padding.'-'x20); |
$r->rflush(); |
&Apache::lonnet::logthis($padding.'contains:'); |
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foreach my $item (@{$seq->{'contents'}}) { |
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if ($item->{'type'} eq 'container') { |
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&log_sequence($item,$recursive,$padding.' '); |
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} else { |
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&Apache::lonnet::logthis($padding.'title = '.$item->{'title'}); |
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while (my($key,$value) = each(%$item)) { |
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next if ($key eq 'title'); |
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if (ref($value) eq 'ARRAY') { |
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for (my $i=0;$i< scalar(@$value);$i++) { |
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&Apache::lonnet::logthis($padding.$key.'['.$i.']='. |
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$value->[$i]); |
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} |
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} else { |
|
&Apache::lonnet::logthis($padding.$key.'='.$value); |
|
} |
|
} |
|
} |
|
} |
|
&Apache::lonnet::logthis($padding.'end contents of '.$seq->{'title'}); |
|
&Apache::lonnet::logthis($padding.'-'x20); |
|
} |
|
return; |
} |
} |
|
|
sub CreateTable { |
############################################## |
my ($Hd, $Hid)=@_; |
############################################## |
if ( $Hd == 1 ) { |
|
# $Hid=~/(\d+)\.(\d+)/; |
=pod |
$r->print('<br><a href="'.$hash{'src_'.$Hid}. |
|
'" target="_blank">'.$hash{'title_'.$Hid}.'</a>' |
=item &StudentDataSelect($elementname,$status,$numvisible,$selected) |
# .' ('.&Apache::lonnet::declutter($hash{'map_id_'.$1}).')' |
|
); |
Returns html for a selection box allowing the user to choose one (or more) |
} |
of the fields of student data available (fullname, username, id, section, etc) |
my $Result = "\n".'<table border=2>'; |
|
$Result .= '<tr><th>P#</th>'."\n"; |
=over 4 |
for ( my $nIdx=0; $nIdx < 11; $nIdx++ ) { |
|
$Result .= '<th>'.'<input type="submit" name="sort" value="'. |
=item $elementname The name of the HTML form element |
$Header{$nIdx}.'" />'.'</th>'."\n"; |
|
|
=item $status 'multiple' or 'single' selection box |
|
|
|
=item $numvisible The number of options to be visible |
|
|
|
=back |
|
|
|
=cut |
|
|
|
############################################## |
|
############################################## |
|
sub StudentDataSelect { |
|
my ($elementname,$status,$numvisible)=@_; |
|
if ($numvisible < 1) { |
|
return; |
} |
} |
$Result .= "\n".'</tr>'."\n"; |
# |
$r->print( $Result ); |
# Build the form element |
$r->rflush(); |
my $Str = "\n"; |
|
$Str .= '<select name="'.$elementname.'" '; |
|
if ($status ne 'single') { |
|
$Str .= 'multiple="true" '; |
|
} |
|
$Str .= 'size="'.$numvisible.'" >'."\n"; |
|
# |
|
# Deal with 'all' |
|
$Str .= ' <option value="all" '; |
|
foreach (@SelectedStudentData) { |
|
if ($_ eq 'all') { |
|
$Str .= 'selected '; |
|
last; |
|
} |
|
} |
|
$Str .= ">all</option>\n"; |
|
# |
|
# Loop through the student data fields |
|
foreach my $item (@StudentDataOrder) { |
|
$Str .= ' <option value="'.$item.'" '; |
|
foreach (@SelectedStudentData) { |
|
if ($item eq $_ ) { |
|
$Str .= 'selected '; |
|
last; |
|
} |
|
} |
|
$Str .= '>'.$item."</option>\n"; |
|
} |
|
$Str .= "</select>\n"; |
|
return $Str; |
} |
} |
|
|
sub CloseTable { |
############################################## |
$r->print("\n".'</table>'."\n"); |
############################################## |
$r->rflush(); |
|
|
=pod |
|
|
|
=item &MapSelect($elementname,$status,$numvisible,$restriction) |
|
|
|
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. |
|
|
|
=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 |
|
|
|
=item $restriction Code reference to subroutine which returns true or |
|
false. The code must expect a reference to a sequence data structure. |
|
|
|
=back |
|
|
|
=cut |
|
|
|
############################################## |
|
############################################## |
|
sub MapSelect { |
|
my ($elementname,$status,$numvisible,$restriction)=@_; |
|
if ($numvisible < 1) { |
|
return; |
|
} |
|
# |
|
# Set up array of selected items |
|
&SetSelectedMaps($elementname); |
|
# |
|
# Set up the restriction call |
|
if (! defined($restriction)) { |
|
$restriction = sub { 1; }; |
|
} |
|
# |
|
# Build the form element |
|
my $Str = "\n"; |
|
$Str .= '<select name="'.$elementname.'" '; |
|
if ($status ne 'single') { |
|
$Str .= 'multiple="true" '; |
|
} |
|
$Str .= 'size="'.$numvisible.'" >'."\n"; |
|
# |
|
# Deal with 'all' |
|
foreach (@SelectedMaps) { |
|
if ($_ eq 'all') { |
|
@SelectedMaps = ('all'); |
|
last; |
|
} |
|
} |
|
# |
|
# Put in option for 'all' |
|
$Str .= ' <option value="all" '; |
|
foreach (@SelectedMaps) { |
|
if ($_ eq 'all') { |
|
$Str .= 'selected '; |
|
last; |
|
} |
|
} |
|
$Str .= ">all</option>\n"; |
|
# |
|
# Loop through the sequences |
|
foreach my $seq (@Sequences) { |
|
next if (! $restriction->($seq)); |
|
$Str .= ' <option value="'.$seq->{'symb'}.'" '; |
|
foreach (@SelectedMaps) { |
|
if ($seq->{'symb'} eq $_) { |
|
$Str .= 'selected '; |
|
last; |
|
} |
|
} |
|
$Str .= '>'.$seq->{'title'}."</option>\n"; |
|
} |
|
$Str .= "</select>\n"; |
|
return $Str; |
} |
} |
|
|
# ------------------------------------------- Prepare Statistics Table |
############################################## |
sub PreStatTable { |
############################################## |
my $CacheDB = "/home/httpd/perl/tmp/$ENV{'user.name'}". |
|
"_$ENV{'user.domain'}_$cid\_statistics.db"; |
=pod |
my $GraphDB = "/home/httpd/perl/tmp/$ENV{'user.name'}". |
|
"_$ENV{'user.domain'}_$cid\_graph.db"; |
=item &SectionSelect($elementname,$status,$numvisible) |
my $CachDisFac = "/home/httpd/perl/tmp/$ENV{'user.name'}". |
|
"_$ENV{'user.domain'}_$cid\_DiscFactor.db"; |
Returns html for a selection box allowing the user to choose one (or more) |
my $OpSel11=''; |
of the sections in the course. |
my $OpSel12=''; |
|
my $OpSel13=''; |
=over 4 |
my $Status = $ENV{'form.status'}; |
|
if ( $Status eq 'Any' ) { $OpSel13='selected'; } |
=item $elementname The name of the HTML form element |
elsif ($Status eq 'Expired' ) { $OpSel12 = 'selected'; } |
|
else { $OpSel11 = 'selected'; } |
=item $status 'multiple' or 'single' selection box |
|
|
my $Ptr = ''; |
=item $numvisible The number of options to be visible |
$Ptr .= '<br><b> Student Status: </b>'."\n". |
|
'<select name="status">'. |
=item $selected Array ref to the names of the already selected sections. |
'<option '.$OpSel11.' >Active</option>'."\n". |
If undef, $ENV{'form.'.$elementname} is used. |
'<option '.$OpSel12.' >Expired</option>'."\n". |
If $ENV{'form.'.$elementname} is also empty, none will be selected. |
'<option '.$OpSel13.' >Any</option> </select> '."\n"; |
|
$Ptr .= ' '; |
=item $restriction Code reference to subroutine which returns true or |
$Ptr .= '<input type=submit name=sort value="Recalculate Statistics"/>'."\n"; |
false. The code must expect a reference to a sequence data structure. |
|
|
$Ptr .= '<br><b> Sorting Type: </b>'."\n". |
=back |
'<select name="order"> <option '.$OpSel1.' >Ascending</option>'."\n". |
|
'<option '.$OpSel2.'>Descending</option> </select> '."\n"; |
=cut |
$Ptr .= ' '; |
|
$Ptr .= '<input type="submit" name="sort" value="DoDiff Graph" />'."\n"; |
############################################## |
$Ptr .= ' '; |
############################################## |
$Ptr .= '<input type="submit" name="sort" value="%Wrong Graph" />'."\n"; |
sub SectionSelect { |
|
my ($elementname,$status,$numvisible)=@_; |
$Ptr .= '<pre>'. |
if ($numvisible < 1) { |
' #Stdnts: Total Number of Students opened the problem.<br>'. |
return; |
' Tries : Total Number of Tries for solving the problem.<br>'. |
} |
' Mod : Maximunm Number of Tries for solving the problem.<br>'. |
# |
' Mean : Average Number of the tries. [ Tries / #Stdnts ]<br>'. |
# Build the form element |
' #YES : Number of students solved the problem correctly.<br>'. |
my $Str = "\n"; |
' #yes : Number of students solved the problem by override.<br>'. |
$Str .= '<select name="'.$elementname.'" '; |
' %Wrng : Percentage of students tried to solve the problem but'. |
if ($status ne 'single') { |
' still incorrect. [ 100*((#Stdnts-(#YES+#yes))/#Stdnts) ]<br>'. |
$Str .= 'multiple="true" '; |
# ' DoDiff : Degree of Difficulty of the problem. [ Tries/(#YES+#yes+0.1) ]<br>'. |
} |
' DoDiff : Degree of Difficulty of the problem. [ 1 - ((#YES+#yes) / Tries) ]<br>'. |
$Str .= 'size="'.$numvisible.'" >'."\n"; |
' S.D. : Standard Deviation of the tries.'. |
# |
'[ sqrt(sum((Xi - Mean)^2)) / (#Stdnts-1)'. |
# Loop through the sequences |
' where Xi denotes every student\'s tries ]<br>'. |
foreach my $s (@Sections) { |
' Skew. : Skewness of the students tries.'. |
$Str .= ' <option value="'.$s.'" '; |
' [ (sqrt( sum((Xi - Mean)^3) / #Stdnts)) / (S.D.^3) ]<br>'. |
foreach (@SelectedSections) { |
|
if ($s eq $_) { |
# ' Dis.F. : Discrimination Factor. [ Sum of Partial Credits Awarded / Total Number of Tries in %27 upper and lower students]</b>'. |
$Str .= 'selected '; |
'</pre>'; |
last; |
|
|
$r->print($Ptr); |
|
$r->rflush(); |
|
|
|
if ((-e "$CacheDB")&&($ENV{'form.sort'} ne 'Recalculate Statistics')) { |
|
if (tie(%CachData,'GDBM_File',"$CacheDB",&GDBM_READER,0640)) { |
|
tie(%GraphDat,'GDBM_File',$GraphDB,&GDBM_WRCREAT,0640); |
|
&Cache_Statistics(); |
|
} |
|
else { |
|
$r->print("Unable to tie hash to db file"); |
|
} |
|
} |
|
else { |
|
if (tie(%CachData,'GDBM_File',$CacheDB,&GDBM_WRCREAT,0640)) { |
|
tie(%DiscFac,'GDBM_File',$CachDisFac,&GDBM_WRCREAT,0640); |
|
tie(%GraphDat,'GDBM_File',$GraphDB,&GDBM_WRCREAT,0640); |
|
foreach (keys %DiscFac) {delete $CachData{$_};} |
|
foreach (keys %CachData) {delete $CachData{$_};} |
|
$DiscFlag=0; |
|
&Build_Statistics(); |
|
} |
|
else { |
|
$r->print("Unable to tie hash to db file"); |
|
} |
|
} |
|
#$r->print('Total instances of the problems : '.($p_count*($#students+1))); |
|
|
|
untie(%CachData); |
|
untie(%GraphDat); |
|
untie(%DiscFac); |
|
} |
|
|
|
|
|
# ------------------------------------- Find the section of student in a course |
|
|
|
sub usection { |
|
my ($udom,$unam,$courseid,$ActiveFlag)=@_; |
|
$courseid=~s/\_/\//g; |
|
$courseid=~s/^(\w)/\/$1/; |
|
foreach (split(/\&/,&Apache::lonnet::reply('dump:'. |
|
$udom.':'.$unam.':roles', |
|
&Apache::lonnet::homeserver($unam,$udom)))){ |
|
my ($key,$value)=split(/\=/,$_); |
|
$key=&Apache::lonnet::unescape($key); |
|
if ($key=~/^$courseid(?:\/)*(\w+)*\_st$/) { |
|
my $section=$1; |
|
if ($key eq $courseid.'_st') { $section=''; } |
|
my ($dummy,$end,$start)=split(/\_/,&Apache::lonnet::unescape($value)); |
|
if ( $ActiveFlag ne 'Any' ) { |
|
my $now=time; |
|
my $notactive=0; |
|
if ($start) { |
|
if ($now<$start) { $notactive=1; } |
|
} |
|
if ($end) { |
|
if ($now>$end) { $notactive=1; } |
|
} |
|
if ((($ActiveFlag eq 'Expired') && $notactive == 1) || |
|
(($ActiveFlag eq 'Active') && $notactive == 0 ) ) { |
|
return $section; |
|
} |
|
else { return '-1'; } |
|
} |
|
return $section; |
|
} |
|
} |
|
return '-1'; |
|
} |
|
|
|
|
|
# ------ Dump the Student's DB file and handling the data for statistics table |
|
|
|
sub ExtractStudentData { |
|
my ($student,$coid)=@_; |
|
my ($sname,$sdom) = split( /\:/, $student ); |
|
my $shome=&Apache::lonnet::homeserver( $sname,$sdom ); |
|
my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.':'.$coid,$shome ); |
|
my %result = (); |
|
my $ResId; |
|
my $PrOrd; |
|
my $Dis = ''; |
|
my $Code; |
|
my $Tries; |
|
my $ParCr; |
|
my $TotalTries = 0; |
|
my $TotalOpend = 0; |
|
my $ProbSolved = 0; |
|
my $ProbTot = 0; |
|
my $TimeTot = 0; |
|
my $TotParCr = 0; |
|
my $Wrongs; |
|
my %TempHash; |
|
my $Version; |
|
my $LatestVersion; |
|
my $SecLimit; |
|
my $MapLimit; |
|
unless ($reply=~/^error\:/) { |
|
foreach (split(/\&/,$reply)) { |
|
my ($name,$value)=split(/\=/,&Apache::lonnet::unescape($_)); |
|
$result{$name}=$value; |
|
} |
|
foreach my $CurCol(@cols) { |
|
($PrOrd,$ResId)=split(/\:/,$CurCol); |
|
if ( !$CurCol ) { next; } |
|
$ResId=~/(\d+)\.(\d+)/; |
|
my $MapId=$1; |
|
my $PrbId=$2; |
|
my $Map = &Apache::lonnet::declutter( $hash{'map_id_'.$MapId} ); |
|
if ( $CurMap ne 'All Maps' ) { |
|
my ( $ResMap, $NameMap ) = split(/\=/,$CurMap); |
|
if ( $Map ne $ResMap ) { next; } |
|
} |
|
my $meta=$hash{'src_'.$ResId}; |
|
my $PartNo = 0; |
|
$Dis .= ':'; |
|
undef %TempHash; |
|
foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) { |
|
if ($_=~/^stores\_(\d+)\_tries$/) { |
|
my $Part=&Apache::lonnet::metadata($meta,$_.'.part'); |
|
if ( $TempHash{"$Part"} eq '' ) { |
|
$TempHash{"$Part"} = $Part; |
|
$TempHash{$PartNo}=$Part; |
|
$TempHash{"$Part.Code"} = 'U'; |
|
$TempHash{"$Part.PrOrd"} = $PrOrd+$PartNo; |
|
$PartNo++; |
|
} |
|
} |
|
} |
} |
|
} |
|
$Str .= '>'.$s."</option>\n"; |
|
} |
|
$Str .= "</select>\n"; |
|
return $Str; |
|
} |
|
|
|
############################################## |
|
############################################## |
|
|
|
sub CheckFormElement { |
|
my ($cache, $ENVName, $cacheName, $default)=@_; |
|
|
|
if(defined($ENV{'form.'.$ENVName})) { |
|
$cache->{$cacheName} = $ENV{'form.'.$ENVName}; |
|
} elsif(!defined($cache->{$cacheName})) { |
|
$cache->{$cacheName} = $default; |
|
} else { |
|
$ENV{'form.'.$ENVName} = $cache->{$cacheName}; |
|
} |
|
return; |
|
} |
|
|
|
sub ProcessFormData{ |
|
my ($cache)=@_; |
|
|
my $Prob = $Map.'___'.$PrbId.'___'. |
$cache->{'reportKey'} = 'false'; |
&Apache::lonnet::declutter( $hash{'src_'.$ResId} ); |
|
$Code='U'; |
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, |
$Tries = 0; |
['download', |
$ParCr = 0; |
'reportSelected', |
$Wrongs = 0; |
'StudentAssessmentStudent', |
$LatestVersion = $result{"version:$Prob"}; |
'ProblemStatisticsSort']); |
|
&CheckFormElement($cache, 'DownloadAll', 'DownloadAll', 'false'); |
if ( $LatestVersion ) { |
if ($cache->{'DownloadAll'} ne 'false') { |
for ( my $Version=1; $Version<=$LatestVersion; $Version++ ) { |
# Clean the hell out of that cache! |
my $vkeys = $result{"$Version:keys:$Prob"}; |
# We cannot untie the hash at this scope (stupid libgd :( ) |
my @keys = split(/\:/,$vkeys); |
# So, remove every single key. What a waste of time.... |
|
# Of course, if you are doing this you are probably resigned |
foreach my $Key (@keys) { |
# to waiting a while. |
if (($Key=~/\.(\w+)\.solved$/) && ($Key!~/^\d+\:/)) { |
&Apache::lonnet::logthis("Cleaning out the cache file"); |
my $Part = $1; |
while (my ($key,undef)=each(%$cache)) { |
$Tries = $result{"$Version:$Prob:resource.$Part.tries"}; |
next if ($key eq 'DownloadAll'); |
$ParCr = $result{"$Version:$Prob:resource.$Part.awarded"}; |
delete($cache->{$key}); |
my $Time = $result{"$Version:$Prob:timestamp"}; |
} |
$TempHash{"$Part.Time"} = ($Time) ? $Time : 0; |
} |
$TempHash{"$Part.Tries"} = ($Tries) ? $Tries : 0; |
&CheckFormElement($cache, 'Status', 'Status', 'Active'); |
$TempHash{"$Part.ParCr"} = ($ParCr) ? $ParCr : 0; |
&CheckFormElement($cache, 'postdata', 'reportSelected', 'Class list'); |
$TotalTries += $TempHash{"$Part.Tries"}; |
&CheckFormElement($cache, 'reportSelected', 'reportSelected', |
$TotParCr += $TempHash{"$Part.ParCr"}; |
'Class list'); |
#$r->print($Version.'---'.$Prob.'==='.$Time.'<br>'); |
$cache->{'reportSelected'} = |
my $Val = $result{"$Version:$Prob:resource.$Part.solved"}; |
&Apache::lonnet::unescape($cache->{'reportSelected'}); |
if ( $Val eq 'correct_by_student' ) |
&CheckFormElement($cache, 'sort', 'sort', 'fullname'); |
{ $Wrongs = $Tries - 1; $Code = 'C'; } |
&CheckFormElement($cache, 'download', 'download', 'false'); |
elsif ( $Val eq 'correct_by_override' ) |
&CheckFormElement($cache, 'StatisticsMaps', |
{ $Wrongs = $Tries - 1; $Code = 'O'; } |
'StatisticsMaps', 'All Maps'); |
elsif ( $Val eq 'incorrect_attempted' || |
&CheckFormElement($cache, 'StatisticsProblemSelect', |
$Val eq 'incorrect_by_override' ) |
'StatisticsProblemSelect', 'All Problems'); |
{ $Wrongs = $Tries; $Code = 'I'; } |
&CheckFormElement($cache, 'StatisticsPartSelect', |
$TempHash{"$Part.Code"} = $Code; |
'StatisticsPartSelect', 'All Parts'); |
$TempHash{"$Part.Wrongs"} = $Wrongs; |
if(defined($ENV{'form.Section'})) { |
} |
my @sectionsSelected = (ref($ENV{'form.Section'}) ? |
} |
@{$ENV{'form.Section'}} : |
} |
($ENV{'form.Section'})); |
for ( my $n = 0; $n < $PartNo; $n++ ) { |
$cache->{'sectionsSelected'} = join(':', @sectionsSelected); |
my $part = $TempHash{$n}; |
} elsif(!defined($cache->{'sectionsSelected'})) { |
my $Yes = 0; |
$cache->{'sectionsSelected'} = $cache->{'sectionList'}; |
if ( $TempHash{$part.'.Code'} eq 'C' || |
} |
$TempHash{$part.'.Code'} eq 'O' ) |
|
{$ProbSolved++;$Yes=1;} |
# student assessment |
# my $ptr = "$hash{'title_'.$ResId}"; |
if(defined($ENV{'form.CreateStudentAssessment'}) || |
my $ptr = $TempHash{$part.'.PrOrd'}.':'.$ResId; |
defined($ENV{'form.NextStudent'}) || |
if ( $PartNo > 1 ) { |
defined($ENV{'form.PreviousStudent'})) { |
$ptr .= "*(part $part)"; |
$cache->{'reportSelected'} = 'Student Assessment'; |
$Dis .= ':'; |
} |
} |
if(defined($ENV{'form.NextStudent'})) { |
my $Fac = ($TempHash{"$part.Tries"}) ? |
$cache->{'StudentAssessmentMove'} = 'next'; |
($TempHash{"$part.ParCr"}/$TempHash{"$part.Tries"}) : 0; |
} elsif(defined($ENV{'form.PreviousStudent'})) { |
my $DisF; |
$cache->{'StudentAssessmentMove'} = 'previous'; |
if ( $Fac > 0 && $Fac < 1 ) { |
} else { |
$DisF = sprintf( "%.4f", $Fac ); |
$cache->{'StudentAssessmentMove'} = 'selected'; |
} |
} |
else {$DisF = $Fac;} |
&CheckFormElement($cache, 'StudentAssessmentStudent', |
# $DisF .= '+'.$TempHash{"$part.Time"}; |
'StudentAssessmentStudent', 'All Students'); |
$TimeTot += $TempHash{"$part.Time"}; |
$cache->{'StudentAssessmentStudent'} = |
$Dis .= $ptr.'*'.$ResId.'='.$DisF.'+'.$Yes; |
&Apache::lonnet::unescape($cache->{'StudentAssessmentStudent'}); |
$ptr .= ":$TempHash{$part.'.Tries'}". |
&CheckFormElement($cache, 'DefaultColumns', 'DefaultColumns', 'false'); |
":$TempHash{$part.'.Wrongs'}". |
|
":$TempHash{$part.'.Code'}"; |
# Problem analysis |
push (@list, $ptr); |
&CheckFormElement($cache, 'Interval', 'Interval', '1'); |
$TotalOpend++; |
|
$ProbTot++; |
# ProblemStatistcs |
} |
&CheckFormElement($cache, 'DisplayCSVFormat', |
|
'DisplayFormat', 'Display Table Format'); |
|
&CheckFormElement($cache, 'ProblemStatisticsAscend', |
|
'ProblemStatisticsAscend', 'Ascending'); |
|
&CheckFormElement($cache, 'ProblemStatisticsSort', |
|
'ProblemStatisticsSort', 'Homework Sets Order'); |
|
&CheckFormElement($cache, 'DisplayLegend', 'DisplayLegend', |
|
'Hide Legend'); |
|
&CheckFormElement($cache, 'SortProblems', 'SortProblems', |
|
'Sort Within Sequence'); |
|
|
|
# Search only form elements |
|
my @headingColumns=(); |
|
my @sequenceColumns=(); |
|
my $foundColumn = 0; |
|
if(defined($ENV{'form.ReselectColumns'})) { |
|
my @reselected = (ref($ENV{'form.ReselectColumns'}) ? |
|
@{$ENV{'form.ReselectColumns'}} |
|
: ($ENV{'form.ReselectColumns'})); |
|
foreach (@reselected) { |
|
if(/HeadingColumn/) { |
|
push(@headingColumns, $_); |
|
$foundColumn = 1; |
|
} elsif(/SequenceColumn/) { |
|
push(@sequenceColumns, $_); |
|
$foundColumn = 1; |
} |
} |
#else { |
} |
#for(my $n=0; $n<$PartNo; $n++) { |
} |
# push (@list, "$hash{'title_'.$ResId}*$ResId:0:0:U"); |
|
# $ProbTot++; |
|
#} |
|
#} |
|
} |
|
if ( $TotalTries ) { |
|
my $DisFac = ( $TotalTries ) ? ($TotParCr/$TotalTries) : 0; |
|
# my $DisFactor = int(sprintf( "%.4f", $DisFac ) * 100); |
|
my $DisFactor = sprintf( "%.4f", $DisFac ); |
|
my $time; |
|
if ($ProbSolved){ |
|
$time = int(($TimeTot/$ProbSolved)-10000000); |
|
} |
|
$DiscFac{($DisFactor.':'.$sname.':'.$ProbTot.':'.$TotalOpend.':'. |
|
$TotalTries.':'.$ProbSolved.':'.$time)}=$Dis; |
|
#$r->print($DisFactor.$sname.'<br> --- Dis= '.$Dis.'<br>'); |
|
} |
|
} |
|
#$r->print($sname.' PrCr= '.$TotParCr.' Slvd= '.$ProbSolved.' Tries='.$TotalTries.'<br>'); |
|
} |
|
|
|
|
|
# ------------------------------------------------------------ Build page table |
|
sub tracetable { |
|
my ($rid,$beenhere)=@_; |
|
$rid=~/(\d+)\.(\d+)/; |
|
$maps{&Apache::lonnet::declutter($hash{'map_id_'.$1})}='';#$hash{'title_'.$rid}; |
|
#$maps{$HWN}=$hash{'title_'.$rid}; |
|
unless ($beenhere=~/\&$rid\&/) { |
|
$beenhere.=$rid.'&'; |
|
if (defined($hash{'is_map_'.$rid})) { |
|
my $cmap=$hash{'map_type_'.$hash{'map_pc_'.$hash{'src_'.$rid}}}; |
|
if ( $cmap eq 'sequence' || $cmap eq 'page' ) { |
|
$cols[$#cols+1]=0; |
|
$P_Order++; |
|
$HWN=$P_Order; |
|
$mapsort{$HWN} = $rid.':'; |
|
#$maps{&Apache::lonnet::declutter($hash{'src_'.$rid})}= |
|
# $hash{'title_'.$rid}; |
|
} |
|
if ((defined($hash{'map_start_'.$hash{'src_'.$rid}})) && |
|
(defined($hash{'map_finish_'.$hash{'src_'.$rid}}))) { |
|
my $frid=$hash{'map_finish_'.$hash{'src_'.$rid}}; |
|
|
|
&tracetable($hash{'map_start_'.$hash{'src_'.$rid}}, |
|
'&'.$frid.'&'); |
|
|
|
$cols[$#cols+1]=($P_Order+1).':'.$frid; |
|
|
|
my $meta=$hash{'src_'.$frid}; |
|
my $PartNo = 0; |
|
if ($meta) { |
|
if ($meta=~/\.(problem|exam|quiz|assess|survey|form)$/) { |
|
foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) { |
|
if ($_=~/^stores\_(\d+)\_tries$/) { |
|
&Apache::lonnet::metadata($meta,$_.'.part'); |
|
$P_Order++; |
|
$mapsort{$HWN} .= '&'.$P_Order; |
|
$PartNo++; |
|
$r->print('<br>'.$PartNo.'---'.$P_Order); |
|
} |
|
} |
|
} |
|
} |
|
} |
|
} else { |
|
$cols[$#cols+1]=($P_Order+1).':'.$rid; |
|
my $meta=$hash{'src_'.$rid}; |
|
my $PartNo = 0; |
|
if ($meta) { |
|
if ($meta=~/\.(problem|exam|quiz|assess|survey|form)$/) { |
|
foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) { |
|
if ($_=~/^stores\_(\d+)\_tries$/) { |
|
&Apache::lonnet::metadata($meta,$_.'.part'); |
|
$P_Order++; |
|
$mapsort{$HWN} .= '&'.$P_Order; |
|
$PartNo++; |
|
} |
|
} |
|
} |
|
} |
|
} |
|
if (defined($hash{'to_'.$rid})) { |
|
foreach (split(/\,/,$hash{'to_'.$rid})){ |
|
&tracetable($hash{'goesto_'.$_},$beenhere); |
|
} |
|
} |
|
} |
|
} |
|
|
|
sub MySort { |
|
if ( $Pos > 0 ) { |
|
if ($ENV{'form.order'} eq 'Descending') {$b <=> $a;} |
|
else { $a <=> $b; } |
|
} |
|
else { |
|
if ($ENV{'form.order'} eq 'Descending') {$b cmp $a;} |
|
else { $a cmp $b; } |
|
} |
|
} |
|
|
|
sub Build_Statistics { |
|
$r->print(<<ENDPOP); |
|
<script> |
|
popwin=open('','popwin','width=400,height=100'); |
|
popwin.document.writeln('<html><body bgcolor="#88CC88">'+ |
|
'<title>LON-CAPA Statistics</title>'+ |
|
'<h4>Computation Progress</h4>'+ |
|
'<form name=popremain>'+ |
|
'<input type=text size=35 name=remaining value=Starting></form>'+ |
|
'</body></html>'); |
|
popwin.document.close(); |
|
</script> |
|
ENDPOP |
|
|
|
$r->rflush(); |
$cache->{'reportKey'} = 'false'; |
# ---------------------------- Gathering the Data of students' tries |
if($cache->{'reportSelected'} eq 'Analyze') { |
my $index; |
$cache->{'reportKey'} = 'Analyze'; |
for ($index=0;$index<=$#students;$index++) { |
} elsif($cache->{'reportSelected'} eq 'DoDiffGraph') { |
#----------- update progress |
$cache->{'reportKey'} = 'DoDiffGraph'; |
$r->print('<script>popwin.document.popremain.remaining.value="'. |
} elsif($cache->{'reportSelected'} eq 'PercentWrongGraph') { |
'Computing '.($index+1).'/'.($#students+1).': '. |
$cache->{'reportKey'} = 'PercentWrongGraph'; |
$students[$index].'";</script>'); |
} |
$r->rflush(); |
|
|
if(defined($ENV{'form.DoDiffGraph'})) { |
|
$cache->{'reportSelected'} = 'DoDiffGraph'; |
|
$cache->{'reportKey'} = 'DoDiffGraph'; |
|
} elsif(defined($ENV{'form.PercentWrongGraph'})) { |
|
$cache->{'reportSelected'} = 'PercentWrongGraph'; |
|
$cache->{'reportKey'} = 'PercentWrongGraph'; |
|
} |
|
|
|
foreach (keys(%ENV)) { |
|
if(/form\.Analyze/) { |
|
$cache->{'reportSelected'} = 'Analyze'; |
|
$cache->{'reportKey'} = 'Analyze'; |
|
my $data; |
|
(undef, $data)=split(':::', $_); |
|
$cache->{'AnalyzeInfo'}=$data; |
|
} elsif(/form\.HeadingColumn/) { |
|
my $value = $_; |
|
$value =~ s/form\.//; |
|
push(@headingColumns, $value); |
|
$foundColumn=1; |
|
} elsif(/form\.SequenceColumn/) { |
|
my $value = $_; |
|
$value =~ s/form\.//; |
|
push(@sequenceColumns, $value); |
|
$foundColumn=1; |
|
} |
|
} |
|
|
&ExtractStudentData($students[$index],$cid); |
if($foundColumn) { |
|
$cache->{'HeadingsFound'} = join(':', @headingColumns); |
|
$cache->{'SequencesFound'} = join(':', @sequenceColumns);; |
} |
} |
#--------------------- close Progress Line |
if(!defined($cache->{'HeadingsFound'}) || |
$r->print('<script>popwin.close()</script>'); |
$cache->{'DefaultColumns'} ne 'false') { |
$r->rflush(); |
$cache->{'HeadingsFound'}='HeadingColumnFull Name'; |
# -------------------- sorting the Data |
} |
@list = sort (@list); |
if(!defined($cache->{'SequencesFound'}) || |
|
$cache->{'DefaultColumns'} ne 'false') { |
$OpSel2=''; |
$cache->{'SequencesFound'}='All Sequences'; |
$OpSel1='selected'; |
} |
|
$cache->{'DefaultColumns'} = 'false'; |
$p_count = 0; |
|
my $nIdx = 0; |
return; |
my $dummy; |
} |
my $p_val; |
|
my $ResId; |
################################################## |
my $NoElements = $#list + 1; |
################################################## |
#-------------------------------- loop for data representation |
|
foreach (sort keys %mapsort) { |
=pod |
my ($Hid,$pr)=split(/\:/,$mapsort{$_}); |
|
my @lpr=split(/\&/,$pr); |
=item &SortStudents() |
&CreateTable(1,$Hid); |
|
for (my $i=1; $i<=$#lpr; $i++) { |
Determines which students to display and in which order. Which are |
my %storestats=(); |
displayed are determined by their status(active/expired). The order |
my ($PrOrd,$Prob,$Tries,$Wrongs,$Code)=split(/\:/,$list[$nIdx]); |
is determined by the sort button pressed (default to username). The |
my $Temp = $Prob; |
type of sorting is username, lastname, or section. |
my $MxTries = 0; |
|
my $TotalTries = 0; |
=over 4 |
my $YES = 0; |
|
my $Incorrect = 0; |
Input: $students, $CacheData |
my $Override = 0; |
|
my $StdNo = 0; |
$students: A array pointer to a list of students (username:domain) |
my @StdLst; |
|
while ( $PrOrd == $lpr[$i] ) |
$CacheData: A pointer to the hash tied to the cached data |
{ |
|
$nIdx++; |
Output: \@order |
$StdNo++; |
|
$StdLst[ $StdNo ] = $Tries; |
|
$TotalTries += $Tries; |
|
if ( $MxTries < $Tries ) { $MxTries = $Tries; } |
|
if ( $Code eq 'C' ){ $YES++; } |
|
elsif( $Code eq 'I' ) { $Incorrect++; } |
|
elsif( $Code eq 'O' ) { $Override++; } |
|
elsif( $Code eq 'U' ) { $StdNo--; } |
|
($PrOrd,$Prob,$Tries,$Wrongs,$Code)=split(/\:/,$list[$nIdx]); |
|
} |
|
|
|
$p_count++; |
|
my $Dummy; |
|
($ResId,$Dummy)=split(/\*/,$Temp); |
|
|
|
$Temp = '<a href="'.$hash{'src_'.$ResId}. |
|
'" target="_blank">'.$hash{'title_'.$ResId}.$Dummy.'</a>'; |
|
|
|
my $res = &Apache::lonnet::declutter($hash{'src_'.$ResId}); |
|
my $urlres=$res; |
|
|
|
$ResId=~/(\d+)\.(\d+)/; |
|
my $Map = &Apache::lonnet::declutter( $hash{'map_id_'.$1} ); |
|
$urlres=$Map; |
|
|
|
$res = '<a href="'.$hash{'src_'.$ResId}.'">'.$res.'</a>'; |
|
#$Map = '<a href="'.$Map.'">'.$res.'</a>'; |
|
|
|
#------------------------ Compute the Average of Tries about one problem |
|
my $Average = ($StdNo) ? $TotalTries/$StdNo : 0; |
|
|
|
$storestats{$ENV{'request.course.id'}.'___'.$urlres.'___timestamp'}=time; |
|
$storestats{$ENV{'request.course.id'}.'___'.$urlres.'___stdno'}=$StdNo; |
|
$storestats{$ENV{'request.course.id'}.'___'.$urlres.'___avetries'}=$Average; |
|
|
|
#-------------------------------- Compute percentage of Wrong tries |
|
my $Wrong = ( $StdNo ) ? 100 * ( $Incorrect / $StdNo ) : 0; |
|
|
|
#-------------------------------- Compute Standard Deviation |
|
my $StdDev = 0; |
|
if ( $StdNo > 1 ) { |
|
for ( my $n = 0; $n < $StdNo; $n++ ) { |
|
my $Dif = $StdLst[ $n ]-$Average; |
|
$StdDev += $Dif*$Dif; |
|
} |
|
$StdDev /= ( $StdNo - 1 ); |
|
$StdDev = sqrt( $StdDev ); |
|
} |
|
|
|
#-------------------------------- Compute Degree of Difficulty |
|
my $DoDiff = 0; |
|
if( $TotalTries > 0 ) { |
|
$DoDiff = 1 - ( ( $YES + $Override ) / $TotalTries ); |
|
# $DoDiff = ($TotalTries)/($YES + $Override+ 0.1); |
|
} |
|
|
|
$storestats{$ENV{'request.course.id'}.'___'.$urlres.'___difficulty'}=$DoDiff; |
|
|
|
#-------------------------------- Compute the Skewness |
|
my $Skewness = 0; |
|
my $Sum = 0; |
|
if ( $StdNo > 0 && $StdDev > 0 ) { |
|
for ( my $n = 0; $n < $StdNo; $n++ ) { |
|
my $Dif = $StdLst[ $n ]-$Average; |
|
$Skewness += $Dif*$Dif*$Dif; |
|
} |
|
$Skewness /= $StdNo; |
|
$Skewness /= $StdDev*$StdDev*$StdDev; |
|
} |
|
#----------------- Some restition in presenting the float numbers |
|
my $Avg = sprintf( "%.2f", $Average ); |
|
my $Wrng = sprintf( "%.1f", $Wrong ); |
|
my $SD = sprintf( "%.1f", $StdDev ); |
|
my $DoD = sprintf( "%.2f", $DoDiff ); |
|
my $Sk = sprintf( "%.1f", $Skewness ); |
|
my $join = $PrOrd.':'.$Temp.':'.$StdNo.':'. |
|
$TotalTries.':'.$MxTries.':'.$Avg.':'. |
|
$YES.':'.$Override.':'.$Wrng.':'.$DoD.':'. |
|
$SD.':'.$Sk.':'.$Prob; |
|
$CachData{($p_count-1)}=$join; |
|
|
|
$urlres=~/^(\w+)\/(\w+)/; |
|
if ($StdNo) { |
|
&Apache::lonnet::put('resevaldata',\%storestats,$1,$2); |
|
} |
|
#-------------------------------- Row of statistical table |
|
if ( $DiscFlag == 0 ) { |
|
&TableRow($join,$i,($p_count-1)); |
|
} |
|
} |
|
&CloseTable(); |
|
} |
|
} |
|
|
|
sub Cache_Statistics { |
|
my @list = (); |
|
my $Useful; |
|
my $UnUseful; |
|
my %myHeader = reverse( %Header ); |
|
$Pos = $myHeader{$ENV{'form.sort'}}; |
|
if ($Pos > 0) {$Pos++;} |
|
$p_count = 0; |
|
foreach my $key( keys %CachData) { |
|
my @Temp=split(/\:/,$CachData{$key}); |
|
if ( $Pos == 0 ) { |
|
($UnUseful,$Useful)=split(/\>/,$Temp[$Pos]); |
|
} |
|
else { |
|
$Useful = $Temp[$Pos]; |
|
} |
|
$list[$p_count]=$Useful.'&'.$CachData{$key}; |
|
$p_count++; |
|
} |
|
|
|
@list = sort MySort (@list); |
|
|
|
my $nIdx=0; |
|
|
|
if ( $Pos == 0 ) { |
|
foreach (sort keys %mapsort) { |
|
my ($Hid,$pr)=split(/\:/,$mapsort{$_}); |
|
&CreateTable(1,$Hid); |
|
my @lpr=split(/\&/,$pr); |
|
for (my $i=1; $i<=$#lpr; $i++) { |
|
my($Pre, $Post) = split(/\&/,$list[$nIdx]); |
|
&TableRow($Post,$i,$nIdx); |
|
$nIdx++; |
|
} |
|
&CloseTable(); |
|
} |
|
} |
|
else { |
|
&CreateTable(0); |
|
for ( my $nIdx = 0; $nIdx < $p_count; $nIdx++ ) { |
|
my($Pre, $Post) = split(/\&/,$list[$nIdx]); |
|
&TableRow($Post,$nIdx,$nIdx); |
|
} |
|
&CloseTable(); |
|
} |
|
} |
|
|
|
sub TableRow { |
|
my ($Str,$Idx,$RealIdx)=@_; |
|
my($PrOrd,$Temp,$StdNo,$TotalTries,$MxTries,$Avg,$YES, |
|
$Override,$Wrng,$DoD,$SD,$Sk,$Prob)=split(/\:/,$Str); |
|
$r->print( "\n".'<tr>'. |
|
"\n".'<td>'.($RealIdx+1).'</td>'. |
|
"\n".'<td bgcolor="#FFFFFF">'.$Temp.'</td>'. |
|
"\n".'<td bgcolor="#EEFFDD"> '.$StdNo.'</td>'. |
|
"\n".'<td bgcolor="#EEFFDD">'.$TotalTries.'</td>'. |
|
"\n".'<td bgcolor="#EEFFDD">'.$MxTries.'</td>'. |
|
"\n".'<td bgcolor="#DDFFFF">'.$Avg.'</td>'. |
|
"\n".'<td bgcolor="#DDFFFF"> '.$YES.'</td>'. |
|
"\n".'<td bgcolor="#DDFFFF"> '.$Override.'</td>'. |
|
"\n".'<td bgcolor="#FFDDDD"> '.$Wrng.'</td>'. |
|
"\n".'<td bgcolor="#FFDDDD">'.$DoD.'</td>'. |
|
"\n".'<td bgcolor="#DDFFDD"> '.$SD.'</td>'. |
|
"\n".'<td bgcolor="#DDFFDD"> '.$Sk.'</td>'. |
|
# "\n".'<td>'.$res.'</td>'. |
|
"\n".'</tr>' ); |
|
$GraphDat{$RealIdx}=$DoD.':'.$Wrng; |
|
} |
|
|
|
# ------------------------------------------- Prepare data for Graphical chart |
|
|
|
sub GetGraphData { |
|
my $Tag = shift; |
|
my $Col; |
|
my $data=''; |
|
my $count = 0; |
|
my $Max = 0; |
|
my $cid=$ENV{'request.course.id'}; |
|
my $GraphDB = "/home/httpd/perl/tmp/$ENV{'user.name'}". |
|
"_$ENV{'user.domain'}_$cid\_graph.db"; |
|
foreach (keys %GraphDat) {delete $GraphDat{$_};} |
|
if (-e "$GraphDB") { |
|
if (tie(%GraphDat,'GDBM_File',"$GraphDB",&GDBM_READER,0640)) { |
|
if ( $Tag eq 'DoDiff Graph' ) { |
|
$Tag = 'Degree-of-Difficulty'; |
|
$Col = 0; |
|
} |
|
else { |
|
$Tag = 'Wrong-Percentage'; |
|
$Col = 1; |
|
} |
|
foreach (sort NumericSort keys %GraphDat) { |
|
my @Temp=split(/\:/,$GraphDat{$_}); |
|
my $inf = $Temp[$Col]; |
|
if ( $Max < $inf ) {$Max = $inf;} |
|
$data .= $inf.','; |
|
$count++; |
|
} |
|
untie(%GraphDat); |
|
my $Course = $ENV{'course.'.$cid.'.description'}; |
|
$Course =~ s/\ /"_"/eg; |
|
$GData=$Course.'&'.$Tag.'&'.$Max.'&'.$count.'&'.$data; |
|
|
|
} |
|
else { |
|
$r->print("Unable to tie hash to db file"); |
|
} |
|
} |
|
} |
|
|
|
|
|
sub initial { |
|
# --------------------------------- Initialize the global varaibles |
|
undef @students; |
|
undef @cols; |
|
undef %maps; |
|
undef %section; |
|
undef %StuBox; |
|
undef @list; |
|
undef %CachData; |
|
undef %GraphDat; |
|
undef %DiscFac; |
|
undef $CurMap; |
|
undef $CurSec; |
|
undef $CurStu; |
|
undef $p_count; |
|
undef $Pos; |
|
undef $GData; |
|
$DiscFlag=0; |
|
$P_Order=100000; |
|
$HWN=$P_Order; |
|
} |
|
|
|
|
|
sub ClassList { |
|
|
|
&GetStatus(); |
|
|
|
$cid=$ENV{'request.course.id'}; |
|
my $chome=$ENV{'course.'.$cid.'.home'}; |
|
my ($cdom,$cnum)=split(/\_/,$cid); |
|
# ----------------------- Get first and last resource, see if there is anything |
|
$firstres=$hash{'map_start_/res/'.$ENV{'request.course.uri'}}; |
|
$lastres=$hash{'map_finish_/res/'.$ENV{'request.course.uri'}}; |
|
if (($firstres) && ($lastres)) { |
|
# ----------------------------------------------------------------- Render page |
|
my $classlst=&Apache::lonnet::reply |
|
('dump:'.$cdom.':'.$cnum.':classlist',$chome); |
|
my $StudNo = 0; |
|
my $now=time; |
|
unless ($classlst=~/^error\:/) { |
|
foreach (sort split(/\&/,$classlst)) { |
|
my ($name,$value)=split(/\=/,$_); |
|
my ($end,$start)=split(/\:/,&Apache::lonnet::unescape($value)); |
|
$name=&Apache::lonnet::unescape($name); |
|
my ($sname,$sdom)=split(/\:/,$name); |
|
my $active=1; |
|
my $Status=$ENV{'form.status'}; |
|
$Status = ($Status) ? $Status : 'Active'; |
|
if ( ( ($end) && $now > $end ) && |
|
( ($Status eq 'Active') ) ) { $active=0; } |
|
if ( ($Status eq 'Expired') && |
|
($end == 0 || $now < $end) ) { $active=0; } |
|
if ($active) { |
|
my $thisindex=$#students+1; |
|
$name=&Apache::lonnet::unescape($name); |
|
$students[$thisindex]=$name; |
|
my ($sname,$sdom)=split(/\:/,$name); |
|
|
|
#my %reply=&Apache::lonnet::idrget($sdom,$sname); |
|
#my $reply=&Apache::lonnet::reply('get:'.$sdom.':'.$sname. |
|
# ':environment:lastname&generation&firstname&middlename', |
|
# &Apache::lonnet::homeserver($sname,$sdom)); |
|
my $ssec=&usection($sdom,$sname,$cid,$Status); |
|
if ($ssec==-1) {next;} |
|
$ssec=($ssec) ? $ssec : '(none)'; |
|
#$ssec=(int($ssec)) ? int($ssec) : $ssec; |
|
#$r->print($sname.'...'.$ssec.'<br>'); |
|
$section{$ssec}=$ssec; |
|
if ($CurSec eq 'All Sections' || $ssec eq $CurSec) { |
|
$students[$StudNo]=$name; |
|
$StuBox{$sname}=$ssec; |
|
} |
|
$StudNo++; |
|
} |
|
} |
|
} |
|
else { |
|
$r->print('<h1>Could not access course data</h1>'); |
|
} |
|
$r->print("Total number of students : ".($#students+1)); |
|
$r->rflush(); |
|
# --------------- Find all assessments and put them into some linear-like order |
|
&tracetable($firstres,'&'.$lastres.'&'); |
|
|
|
# my $c=0; |
@order: An ordered list of students (username:domain) |
# foreach (sort keys %mapsort) { |
|
# $r->print('<br>'.$c.')'.$_.' ... '.$mapsort{$_}); |
=back |
# $c++; |
|
# } |
=cut |
#foreach(@cols) { |
|
# $c++; |
sub SortStudents { |
# $r->print('<br>'.$cols[$c]); |
my ($cache)=@_; |
#} |
|
#$r->print('<br> Count = '.$c); |
my @students = split(':::',$cache->{'NamesOfStudents'}); |
|
my @sorted1Students=(); |
} |
foreach (@students) { |
|
if($cache->{'Status'} eq 'Any' || |
# ------------------------------------------------------------- End render page |
$cache->{$_.':Status'} eq $cache->{'Status'}) { |
else { |
push(@sorted1Students, $_); |
$r->print('<h3>Undefined course sequence</h3>'); |
} |
} |
|
&MapSecOptions(); |
|
} |
|
|
|
|
|
sub Menu { |
|
my $InpStr = $ENV{'form.sort'}; |
|
if ( $InpStr eq 'DoDiff Graph' || $InpStr eq '%Wrong Graph' ) { |
|
&GetGraphData($InpStr); |
|
$r->print('<IMG src="/cgi-bin/graph.gif?'.$GData.'" />'); |
|
} |
|
else { |
|
$r->print('<html><head><title>LON-CAPA Statistics</title></head>'); |
|
|
|
|
|
$r->print('<body bgcolor="#FFFFFF">'. |
|
'<script>window.focus(); window.width=500;window.height=500; </script>'. |
|
'<img align=right src=/adm/lonIcons/lonlogos.gif>'); |
|
# ---------------------------------------------------------------- Course title |
|
$r->print('<h1> Course : "'. |
|
$ENV{'course.'.$ENV{'request.course.id'}. |
|
'.description'}.'"</h1><h2>'.localtime().'</h2>'); |
|
# ------------------------------- This is going to take a while, produce output |
|
$r->rflush(); |
|
|
|
$r->print("\n".'<form name=stat method=post action="/adm/statistics" >'); |
|
|
|
my $content = $ENV{'form.sort'}; |
|
if ($content eq '' || $content eq 'Return to Menu') { |
|
my $Ptr = '<h3>'; |
|
$Ptr .= '<input type=submit name=sort value="Problem Evaluation"/>';#General Statistics"/>'; |
|
$Ptr .= '<br><br>'; |
|
$Ptr .= '<input type=submit name=sort value="Student Assessment"/>'; |
|
$Ptr .= '<br><br>'; |
|
# $Ptr .= '<input type=submit name=sort value=Discrimination>';#"Problem Evaluation"/>'; |
|
$Ptr .= '</h3>'; |
|
$r->print( $Ptr ); |
|
} |
|
else { |
|
&initial(); |
|
&ClassList(); |
|
if ( $content eq 'Discrimination' || #'Problem Evaluation' || |
|
$content eq 'Recalculate Discrimintion Factor' ) { |
|
&CreateDiscFac(); |
|
} |
|
elsif ( $content eq 'Student Assessment' || |
|
$content eq 'Create Student Report' ) { |
|
&StudentOptions(); |
|
&StudentReport($CurStu,$StuBox{"$CurStu"}); |
|
} |
|
else { |
|
&PreStatTable(); |
|
} |
|
} |
|
$r->print("\n".'</form>'. |
|
"\n".'</body>'. |
|
"\n".'</html>'); |
|
$r->rflush(); |
|
} |
|
} |
|
|
|
sub StudentOptions { |
|
my $OpSel5=''; |
|
$CurStu = $ENV{'form.student'}; |
|
if ( $CurStu eq '' ) { |
|
$CurStu = 'All Students'; |
|
$OpSel5 = 'selected'; |
|
} |
|
my $Ptr =''; |
|
# ----------------------------------- Loading the Students Combobox |
|
$Ptr .= '<br><b>Select Student</b>'."\n". |
|
'<select name="student">'."\n". |
|
'<option '.$OpSel5.'>All Students</option>'; |
|
foreach my $key ( sort keys %StuBox ) { |
|
$Ptr .= '<option'; |
|
if ($CurStu eq $key) {$Ptr .= ' selected';} |
|
$Ptr .= '>'.$key."</option>\n"; |
|
} |
|
$Ptr .= '</select>'; |
|
$Ptr .= '<br><input type="submit" name="sort" value="Create Student Report" />'; |
|
$r->print( $Ptr ); |
|
$r->rflush(); |
|
} |
|
|
|
sub GetStatus { |
|
|
|
$OpSelDis1=''; |
|
$OpSelDis2=''; |
|
$OpSel1=''; |
|
$OpSel2=''; |
|
$OpSel3=''; |
|
$OpSel4=''; |
|
|
|
# if ( $ENV{'form.DisType'} eq 'Total Number of Correct Answers' ) { |
|
# $OpSelDis1='selected'; |
|
# $CurDis=0; |
|
# } |
|
# else { $OpSel2 = 'selected'; $CurDis = 1;} |
|
|
|
if ( $ENV{'form.order'} eq 'Descending' ) { $OpSel2='selected'; } |
|
else { $OpSel1 = 'selected'; } |
|
|
|
my %myHeader = reverse( %Header ); |
|
$Pos = $myHeader{$ENV{'form.sort'}}; |
|
if ($Pos == 0) { |
|
$OpSel1 = 'selected'; |
|
$ENV{'form.order'}='Ascendig'; |
|
} |
|
|
|
$CurMap = $ENV{'form.maps'}; |
|
if ( $CurMap eq '' ) { |
|
$CurMap = 'All Maps'; |
|
$OpSel3 = 'selected'; |
|
} |
|
$CurSec = $ENV{'form.section'}; |
|
if ( $CurSec eq '' ) { |
|
$CurSec = 'All Sections'; |
|
$OpSel4 = 'selected'; |
|
} |
|
} |
|
|
|
|
|
sub MapSecOptions { |
|
# ----------------------------------- Loading the Maps Combobox |
|
my $Ptr = '<br>'; |
|
$Ptr .= '<br><input type="submit" name="sort" value="Return to Menu" />'; |
|
$Ptr .= '<br><b> Select Map </b>'."\n". |
|
'<select name="maps">'."\n". |
|
'<option '.$OpSel3.'>All Maps</option>'; |
|
foreach my $key ( sort keys %maps ) { |
|
$Ptr .= '<option'; |
|
if ($CurMap eq $key) {$Ptr .= ' selected';} |
|
$Ptr .= '>'.$key."</option>\n"; |
|
} |
|
$Ptr .= '</select>'; |
|
$Ptr .= ' '; |
|
|
|
# ----------------------------------- Loading the Sections Combobox |
|
$Ptr .= '<br><b>Select Section</b>'."\n". |
|
'<select name="section">'."\n". |
|
'<option '.$OpSel4.'>All Sections</option>'; |
|
foreach my $key ( sort keys %section ) { |
|
$Ptr .= '<option'; |
|
if ($CurSec eq $key) {$Ptr .= ' selected';} |
|
$Ptr .= '>'.$key."</option>"."\n"; |
|
} |
} |
$Ptr .= '</select>'."\n"; |
|
|
|
$r->print( $Ptr ); |
my $sortBy = ''; |
|
if(defined($cache->{'sort'})) { |
|
$sortBy = ':'.$cache->{'sort'}; |
|
} else { |
|
$sortBy = ':fullname'; |
|
} |
|
my @order = sort { lc($cache->{$a.$sortBy}) cmp lc($cache->{$b.$sortBy}) || |
|
lc($cache->{$a.':fullname'}) cmp lc($cache->{$b.':fullname'}) } |
|
@sorted1Students; |
|
|
|
return \@order; |
|
} |
|
|
|
=pod |
|
|
|
=item &SpaceColumns() |
|
|
|
Determines the width of all the columns in the chart. It is based on |
|
the max of the data for that column and its header. |
|
|
|
=over 4 |
|
|
|
Input: $students, $studentInformation, $headings, $ChartDB |
|
|
|
$students: An array pointer to a list of students (username:domain) |
|
|
|
$studentInformatin: The type of data for the student information. It is |
|
used as part of the key in $CacheData. |
|
|
|
$headings: The name of the student information columns. |
|
|
|
$ChartDB: The name of the cache database which is opened for read/write. |
|
|
|
Output: None - All data stored in cache. |
|
|
|
=back |
|
|
|
=cut |
|
|
|
sub SpaceColumns { |
|
my ($students,$studentInformation,$headings,$cache)=@_; |
|
|
|
# Initialize Lengths |
|
for(my $index=0; $index<(scalar @$headings); $index++) { |
|
my @titleLength=split(//,$headings->[$index]); |
|
$cache->{$studentInformation->[$index].':columnWidth'}= |
|
scalar @titleLength; |
|
} |
|
|
|
foreach my $name (@$students) { |
|
foreach (@$studentInformation) { |
|
my @dataLength=split(//,$cache->{$name.':'.$_}); |
|
my $length=(scalar @dataLength); |
|
if($length > $cache->{$_.':columnWidth'}) { |
|
$cache->{$_.':columnWidth'}=$length; |
|
} |
|
} |
|
} |
|
|
|
return; |
|
} |
|
|
|
sub PrepareData { |
|
my ($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; |
|
} |
|
|
|
my $isCached = &Apache::loncoursedata::TestCacheData($cacheDB, |
|
$isRecalculate); |
|
if($isCached < 0) { |
|
return "Unable to tie hash to db file."; |
|
} |
|
|
|
# Download class list information if not using cached data |
|
my %cache; |
|
unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_WRCREAT(),0640)) { |
|
return "Unable to tie hash to db file."; |
|
} |
|
|
|
# if(!$isCached) { |
|
my $processTopResourceMapReturn= |
|
&Apache::loncoursedata::ProcessTopResourceMap(\%cache, $c); |
|
if($processTopResourceMapReturn ne 'OK') { |
|
untie(%cache); |
|
return $processTopResourceMapReturn; |
|
} |
|
# } |
|
|
|
if($c->aborted()) { |
|
untie(%cache); |
|
return 'aborted'; |
|
} |
|
|
|
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."; |
|
} |
|
} |
|
|
|
if($c->aborted()) { |
|
untie(%cache); |
|
return 'aborted'; |
|
} |
|
|
|
# Active is a temporary solution, remember to change |
|
Apache::loncoursedata::ProcessClasslist(\%cache,$classlist,$courseID,$c); |
|
if($c->aborted()) { |
|
untie(%cache); |
|
return 'aborted'; |
|
} |
|
|
|
&ProcessFormData(\%cache); |
|
my $students = &SortStudents(\%cache); |
|
&SpaceColumns($students, $studentInformation, $headings, \%cache); |
|
$cache{'updateTime:columnWidth'}=24; |
|
|
|
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(':::', $cache{'NamesOfStudents'}); |
|
} |
|
} |
|
|
|
untie(%cache); |
|
|
|
if($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'; |
|
} |
|
} |
|
|
|
return ('OK', $students); |
|
} |
|
|
|
sub DisplayClasslist { |
|
my ($r)=@_; |
|
# |
|
my @Fields = ('fullname','username','domain','id','section'); |
|
# |
|
my $Str=''; |
|
$Str .= '<table border="0"><tr><td bgcolor="#777777">'."\n"; |
|
$Str .= '<table border="0" cellpadding="3"><tr bgcolor="#e6ffff">'."\n"; |
|
foreach my $field (@Fields) { |
|
$Str .= '<th><a href="/adm/statistics?sort='.$field.'">'.$field. |
|
'</a></th>'; |
|
} |
|
$Str .= '</tr>'."\n"; |
|
# |
|
my $alternate = 0; |
|
foreach my $student (@Students) { |
|
my $sname = $student->{'username'}.':'.$student->{'domain'}; |
|
if($alternate) { |
|
$Str .= '<tr bgcolor="#ffffe6">'; |
|
} else { |
|
$Str .= '<tr bgcolor="#ffffc6">'; |
|
} |
|
$alternate = ($alternate + 1) % 2; |
|
# |
|
foreach my $field (@Fields) { |
|
$Str .= '<td>'; |
|
if ($field eq 'fullname') { |
|
$Str .= '<a href="/adm/statistics?reportSelected='; |
|
$Str .= &Apache::lonnet::escape('Student Assessment'); |
|
$Str .= '&StudentAssessmentStudent='; |
|
$Str .= &Apache::lonnet::escape($sname).'">'; |
|
$Str .= $student->{$field}.' '; |
|
$Str .= '</a>'; |
|
} else { |
|
$Str .= $student->{$field}; |
|
} |
|
$Str .= '</td>'; |
|
} |
|
$Str .= "</tr>\n"; |
|
} |
|
$Str .= '</table></td></tr></table>'."\n"; |
|
# |
|
$r->print($Str); |
|
$r->rflush(); |
|
# |
|
return; |
|
} |
|
|
|
sub BuildClasslist { |
|
my ($cacheDB,$students,$studentInformation,$headings,$r)=@_; |
|
|
|
my %cache; |
|
unless(tie(%cache,'GDBM_File',$cacheDB,&GDBM_READER(),0640)) { |
|
return '<html><body>Unable to tie database.</body></html>'; |
|
} |
|
|
|
# my $Ptr = ''; |
|
# $Ptr .= '<table border="0"><tbody>'; |
|
# $Ptr .= '<tr><td align="right"><b>Select Sections</b>'; |
|
# $Ptr .= '</td>'."\n"; |
|
# $Ptr .= '<td align="left">'."\n"; |
|
# my @sectionsSelected = split(':',$cache{'sectionsSelected'}); |
|
# my @sections = split(':',$cache{'sectionList'}); |
|
# $Ptr .= &Apache::lonhtmlcommon::MultipleSectionSelect(\@sections, |
|
# \@sectionsSelected, |
|
# 'Statistics'); |
|
# $Ptr .= '</td></tr></table><br>'; |
|
# $r->print($Ptr); |
|
# $r->rflush(); |
|
# my %mySections = (); |
|
# foreach (@sections) { $mySections{$_} = 'True'; } |
|
# $r->print("<br>$cache{'sectionsSelected'}<br>"); |
|
|
|
my $Str=''; |
|
$Str .= '<table border="0"><tr><td bgcolor="#777777">'."\n"; |
|
$Str .= '<table border="0" cellpadding="3"><tr bgcolor="#e6ffff">'."\n"; |
|
|
|
my $displayString = '<td align="left"><a href="/adm/statistics?'; |
|
$displayString .= 'sort=LINKDATA">DISPLAYDATA </a></td>'."\n"; |
|
$Str .= &Apache::lonhtmlcommon::CreateHeadings(\%cache, |
|
$studentInformation, |
|
$headings, $displayString); |
|
$Str .= '</tr>'."\n"; |
|
|
|
my $alternate=0; |
|
foreach (@$students) { |
|
# if ($mySections{$cache{$_.':'.'section'}} ne 'True') {next;} |
|
my ($username, $domain) = split(':', $_); |
|
if($alternate) { |
|
$Str .= '<tr bgcolor="#ffffe6">'; |
|
} else { |
|
$Str .= '<tr bgcolor="#ffffc6">'; |
|
} |
|
$alternate = ($alternate + 1) % 2; |
|
foreach my $data (@$studentInformation) { |
|
$Str .= '<td>'; |
|
if($data eq 'fullname') { |
|
$Str .= '<a href="/adm/statistics?reportSelected='; |
|
$Str .= &Apache::lonnet::escape('Student Assessment'); |
|
$Str .= '&StudentAssessmentStudent='; |
|
$Str .= &Apache::lonnet::escape($cache{$_.':'.$data}).'">'; |
|
$Str .= $cache{$_.':'.$data}.' '; |
|
$Str .= '</a>'; |
|
} elsif($data eq 'updateTime') { |
|
$Str .= '<a href="/adm/statistics?reportSelected='; |
|
$Str .= &Apache::lonnet::escape('Class list'); |
|
$Str .= '&download='.$_.'">'; |
|
$Str .= $cache{$_.':'.$data}.' '; |
|
$Str .= ' </a>'; |
|
} else { |
|
$Str .= $cache{$_.':'.$data}.' '; |
|
} |
|
|
|
$Str .= '</td>'."\n"; |
|
} |
|
} |
|
|
|
$Str .= '</tr>'."\n"; |
|
$Str .= '</table></td></tr></table>'."\n"; |
|
$r->print($Str); |
$r->rflush(); |
$r->rflush(); |
|
|
|
untie(%cache); |
|
|
|
return; |
} |
} |
|
|
|
sub CreateMainMenu { |
|
my ($status, $reports)=@_; |
|
|
|
my $Str = ''; |
|
|
|
$Str .= '<table border="0"><tbody><tr>'."\n"; |
|
$Str .= '<td></td>'."\n"; |
|
$Str .= '<td align="center"><b>Select a Report</b></td>'."\n"; |
|
$Str .= '<td align="center"><b>Student Status</b></td></tr>'."\n"; |
|
$Str .= '<tr>'."\n"; |
|
$Str .= '<td align="center"><input type="submit" name="Refresh" '; |
|
$Str .= 'value="Update Display" /></td>'."\n"; |
|
$Str .= '<td align="center">'; |
|
$Str .= '<select name="reportSelected" onchange="document.'; |
|
$Str .= 'Statistics.submit()">'."\n"; |
|
|
|
foreach (sort(keys(%$reports))) { |
|
next if($_ eq 'reportSelected'); |
|
$Str .= '<option name="'.$_.'"'; |
|
if($reports->{'reportSelected'} eq $reports->{$_}) { |
|
$Str .= ' selected=""'; |
|
} |
|
$Str .= '>'.$reports->{$_}.'</option>'."\n"; |
|
} |
|
$Str .= '</select></td>'."\n"; |
|
|
|
$Str .= '<td align="center">'; |
|
$Str .= &Apache::lonhtmlcommon::StatusOptions($status, 'Statistics'); |
|
$Str .= '</td>'."\n"; |
|
|
|
$Str .= '</tr></tbody></table>'."\n"; |
|
$Str .= '<hr>'."\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".'</body></html>'); |
|
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('<form name="Statistics" '); |
|
$r->print('method="post" action="/adm/statistics">'); |
|
$r->print(&CreateMainMenu($cache{'Status'}, \%reports)); |
|
$r->rflush(); |
|
untie(%cache); |
|
} else { |
|
$r->print('<html><body>Unable to tie database.</body></html>'); |
|
return OK; |
|
} |
|
|
|
if($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($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); |
|
} |
|
|
|
$r->print('</form>'."\n"); |
|
$r->print("\n".'</body>'."\n".'</html>'); |
|
$r->rflush(); |
|
|
|
return OK; |
|
} |
|
|
# ================================================================ Main Handler |
# ================================================================ Main Handler |
|
|
sub handler { |
sub handler { |
$r=shift; |
my $r=shift; |
|
|
if (&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) { |
# $jr = $r; |
# ------------------------------------------- Set document type for header only |
|
if ($r->header_only) { |
|
if ($ENV{'browser.mathml'}) { |
|
$r->content_type('text/xml'); |
|
} |
|
else { |
|
$r->content_type('text/html'); |
|
} |
|
$r->send_http_header; |
|
return OK; |
|
} |
|
my $requrl=$r->uri; |
|
# ----------------------------------------------------------------- Tie db file |
|
|
|
undef %hash; |
my $loaderror=&Apache::lonnet::overloaderror($r); |
|
if ($loaderror) { return $loaderror; } |
|
$loaderror= |
|
&Apache::lonnet::overloaderror($r, |
|
$ENV{'course.'.$ENV{'request.course.id'}.'.home'}); |
|
if ($loaderror) { return $loaderror; } |
|
|
if ($ENV{'request.course.fn'}) { |
unless(&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) { |
my $fn=$ENV{'request.course.fn'}; |
|
if (-e "$fn.db") { |
|
if (tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER,0640)) { |
|
# ------------------------------------------------------------------- Hash tied |
|
$r->content_type('text/html'); |
|
$r->send_http_header; |
|
&Menu(); |
|
} |
|
else { |
|
$r->content_type('text/html'); |
|
$r->send_http_header; |
|
$r->print('<html><body>Coursemap undefined.</body></html>'); |
|
} |
|
# ------------------------------------------------------------------ Untie hash |
|
unless (untie(%hash)) { |
|
&Apache::lonnet::logthis("<font color=blue>WARNING: ". |
|
"Could not untie coursemap $fn (browse).</font>"); |
|
} |
|
|
|
# -------------------------------------------------------------------- All done |
|
return OK; |
|
# ----------------------------------------------- Errors, hash could no be tied |
|
} |
|
} |
|
else { |
|
$ENV{'user.error.msg'}="$requrl:bre:0:0:Course not initialized"; |
|
return HTTP_NOT_ACCEPTABLE; |
|
} |
|
} |
|
else { |
|
$ENV{'user.error.msg'}= |
$ENV{'user.error.msg'}= |
$r->uri.":vgr:0:0:Cannot view grades for complete course"; |
$r->uri.":vgr:0:0:Cannot view grades for complete course"; |
|
return HTTP_NOT_ACCEPTABLE; |
|
} |
|
|
return HTTP_NOT_ACCEPTABLE; |
# Set document type for header only |
|
if($r->header_only) { |
|
if ($ENV{'browser.mathml'}) { |
|
$r->content_type('text/xml'); |
|
} else { |
|
$r->content_type('text/html'); |
|
} |
|
&Apache::loncommon::no_cache($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'); |
|
$r->send_http_header; |
|
|
|
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, |
|
['sort', |
|
'StudentAssessmentStudent']); |
|
|
|
&PrepareClasslist($r); |
|
|
|
&PrepareCourseData($r); |
|
|
|
&BuildStatistics($r); |
|
|
|
return OK; |
} |
} |
1; |
1; |
__END__ |
|
|
|
|
=pod |
|
|
|
=back |
|
|
|
=cut |
|
|
|
__END__ |
|
|