[LON-CAPA-cvs] cvs: loncom(GCI_3) /interface lonstatistics.pm /interface/statistics lonstathelpers.pm lonstudentsubmissions.pm

raeburn raeburn@source.lon-capa.org
Sat, 11 Sep 2010 19:08:23 -0000


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raeburn		Sat Sep 11 19:08:23 2010 EDT

  Modified files:              (Branch: GCI_3)
    /loncom/interface	lonstatistics.pm 
    /loncom/interface/statistics	lonstudentsubmissions.pm 
                                	lonstathelpers.pm 
  Log:
  - Customization for GCI_3.
    - Submission data available for GCI questions
      with username hashed to preserve anonymity.
  
  
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Index: loncom/interface/lonstatistics.pm
diff -u loncom/interface/lonstatistics.pm:1.148.2.3 loncom/interface/lonstatistics.pm:1.148.2.4
--- loncom/interface/lonstatistics.pm:1.148.2.3	Mon Jan 11 04:11:52 2010
+++ loncom/interface/lonstatistics.pm	Sat Sep 11 19:08:19 2010
@@ -1,6 +1,6 @@
 # The LearningOnline Network with CAPA
 #
-# $Id: lonstatistics.pm,v 1.148.2.3 2010/01/11 04:11:52 raeburn Exp $
+# $Id: lonstatistics.pm,v 1.148.2.4 2010/09/11 19:08:19 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -767,7 +767,17 @@
              linktext => ('Correct Problems Plot'),
              linktitle => ('Display a histogram of student performance in the course.')},
          ]});
-    unless(&Apache::loncommon::needs_gci_custom()) {
+    if (&Apache::loncommon::needs_gci_custom()) {
+        push(@reports,
+        {categorytitle => 'Reports',
+         items => [
+            {url => '/adm/statistics?reportSelected=student_submission_reports',
+                         permission => 'F',
+             icon => 'edit-copy.png',
+             linktext => ('Student Submission Reports'),
+             linktitle => ('Prepare reports of student submissions.')},
+         ]});
+    } else {
         push(@reports,
         {categorytitle => 'Reports',
          items => [
@@ -930,11 +940,7 @@
             ({href=>
               '/adm/statistics?reportselected=student_submission_reports',
               text=>'Student Submission Reports'});
-            if ($gcicustom) {
-                $r->print(&mt('Only aggregate performance data are available for Concept Tests.'));
-            } else {
-                &Apache::lonstudentsubmissions::BuildStudentSubmissionsPage($r,$c);
-            }
+            &Apache::lonstudentsubmissions::BuildStudentSubmissionsPage($r,$c);
         } elsif($GoToPage eq 'survey_reports') {
             &Apache::lonhtmlcommon::add_breadcrumb
                 ({href=>
Index: loncom/interface/statistics/lonstudentsubmissions.pm
diff -u loncom/interface/statistics/lonstudentsubmissions.pm:1.54 loncom/interface/statistics/lonstudentsubmissions.pm:1.54.10.1
--- loncom/interface/statistics/lonstudentsubmissions.pm:1.54	Tue Apr 21 13:28:23 2009
+++ loncom/interface/statistics/lonstudentsubmissions.pm	Sat Sep 11 19:08:22 2010
@@ -1,6 +1,6 @@
 # The LearningOnline Network with CAPA
 #
-# $Id: lonstudentsubmissions.pm,v 1.54 2009/04/21 13:28:23 bisitz Exp $
+# $Id: lonstudentsubmissions.pm,v 1.54.10.1 2010/09/11 19:08:22 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -37,6 +37,7 @@
 use HTML::Entities();
 use Time::Local();
 use Spreadsheet::WriteExcel();
+use Crypt::PasswdMD5;
 use lib '/home/httpd/lib/perl/';
 use LONCAPA;
   
@@ -109,17 +110,40 @@
             return;
         }
         my %already_seen;
-        my @Problems;
+        my (@Problems,$show_named);
+        unless (&Apache::loncommon::needs_gci_custom()) {
+            $show_named = 1;  
+        }
         foreach my $symb (@Symbs) {
             my $resource = $navmap->getBySymb($symb);
             push(@Problems,$resource);
         }
+        # If these are to be anonymized, do a random shuffle of @Students. 
+        unless ($show_named) {
+            &array_shuffle(\@Students);
+        }
+        my $threshold = $env{'course.'.$env{'request.course.id'}.'.internal.anonsurvey_threshold'};
+        if ($threshold eq '') {
+            my %domconfig =
+                &Apache::lonnet::get_dom('configuration',['coursedefaults'],
+                                        $env{'course.'.$env{'request.course.id'}.'.domain'});
+            if (ref($domconfig{'coursedefaults'}) eq 'HASH') {
+                $threshold = $domconfig{'coursedefaults'}{'anonsurvey_threshold'};
+                if ($threshold eq '') {
+                    $threshold = 10;
+                }
+            } else {
+                $threshold = 10;
+            }
+        }
         # 
         $r->print('<h4>'.
                   &Apache::lonstatistics::section_and_enrollment_description().
                   '</h4>');
         if (! scalar(@Problems) || ! defined($Problems[0])) {
             $r->print('resource is undefined');
+        } elsif (!$show_named && @Students < $threshold) {
+            $r->print(&mt('The number of students matching the selection criteria is too few for display of submission data for anonymous surveys.').'<br />'.&mt('There must be at least [quant,_1,student].',$threshold).' '.&mt('Contact a Domain Coordinator if you need the threshold to be changed for this course.'));
         } else {
             if (scalar(@Problems) == 1) {
                 my $resource = $Problems[0];
@@ -131,11 +155,11 @@
                 }
             }
             if ($env{'form.output'} eq 'excel') {
-                &prepare_excel_output($r,\@Problems,\@Students);
+                &prepare_excel_output($r,\@Problems,\@Students,$show_named);
             } elsif ($env{'form.output'} eq 'csv') {
-                &prepare_csv_output($r,\@Problems,\@Students);
+                &prepare_csv_output($r,\@Problems,\@Students,$show_named);
             } else {
-                &prepare_html_output($r,\@Problems,\@Students);
+                &prepare_html_output($r,\@Problems,\@Students,$show_named);
             }
         }
         $r->print('<hr />');
@@ -154,19 +178,37 @@
     }
 }
 
+sub array_shuffle {
+    my $array = shift;
+    return unless (ref($array) eq 'ARRAY');
+    my $i = scalar(@$array);
+    my $j;
+    foreach my $item (@$array) {
+        --$i;
+        $j = int(rand($i+1));
+        next if($i == $j);
+        @$array [$i,$j] = @$array[$j,$i];
+    }
+    return @$array;
+}
+
 ##
 ## get_extra_response_headers
 ##
+
 sub get_extra_response_headers {
+    my ($show_named) = @_;
     my @extra_resp_headers;
     if ($env{'form.correctans'} eq 'true') {
         push(@extra_resp_headers,'Correct');
-    } 
-    if ($env{'form.prob_status'} eq 'true') {
-        push(@extra_resp_headers,'Award Detail'); 
-        push(@extra_resp_headers,'Time');
-        push(@extra_resp_headers,'Attempt');
-        push(@extra_resp_headers,'Awarded');
+    }
+    if ($show_named) { 
+        if ($env{'form.prob_status'} eq 'true') {
+            push(@extra_resp_headers,'Award Detail'); 
+            push(@extra_resp_headers,'Time');
+            push(@extra_resp_headers,'Attempt');
+            push(@extra_resp_headers,'Awarded');
+        }
     }
     return @extra_resp_headers;
 }
@@ -211,8 +253,9 @@
 #########################################################
 #########################################################
 sub prepare_html_output {
-    my ($r,$problems,$students) = @_;
+    my ($r,$problems,$students,$show_named) = @_;
     my $c = $r->connection();
+    my $salt = '$1$'.$Apache::lonnet::perlvar{'AnonymousSalt'};
     #
     # Set a flag for the case when there is just one problem
     my $single_response = 0;
@@ -222,10 +265,18 @@
     }
     #
     # Compute the number of columns per response
-    my @extra_resp_headers = &get_extra_response_headers();
+    my @extra_resp_headers = &get_extra_response_headers($show_named);
     #
     # Create the table header
-    my @student_columns = ('username','domain','id','section');
+    my @student_columns;
+    if ($show_named) {
+        @student_columns = @Apache::lonstatistics::SelectedStudentData;
+        if (grep(/^all$/,@student_columns)) {
+            @student_columns = qw(fullname username domain id section status groups comments);
+        }
+    } else {
+        @student_columns = ('username');
+    }
     #
     my %headers;
     my $student_column_count = scalar(@student_columns);
@@ -325,9 +376,25 @@
             $count = 0;
         }
         last if ($c->aborted());
-        foreach my $field (@student_columns) {
-            $student_row_data .= 
-                '<td valign="top">'.$student->{$field}.'</td>';
+        if ($show_named) {
+            foreach my $field (@student_columns) {
+                $student_row_data .= '<td valign="top">';
+                # handle comments like in lonstudentassessment.pm
+                if($field eq 'comments') {
+                    $student_row_data .= 
+                        '<a href="/adm/'.$student->{'domain'}.'/'.
+                        $student->{'username'}.'/'.'aboutme#coursecomment">'.&mt('Comments').'</a>';
+                } else {
+                    $student_row_data .= $student->{$field};
+                }
+                $student_row_data .= '</td>';
+            }
+        } else {
+            my $anonid = &Crypt::PasswdMD5::unix_md5_crypt($student->{'username'},
+                                                           $salt);
+            $anonid = substr($anonid,length($salt)+1);
+            $student_row_data = '<td valign="top" colspan="'.$student_column_count.'">'.
+                                $anonid.'</td>';
         }
         #
         # Figure out what it is we need to output for this student
@@ -444,6 +511,7 @@
             undef(@essays);
         }
     } # end of student loop
+    $r->print('</table>'.$/);
     return;
 }
 
@@ -625,8 +693,9 @@
 #########################################################
 #########################################################
 sub prepare_excel_output {
-    my ($r,$Problems,$Students) = @_;
+    my ($r,$Problems,$Students,$show_named) = @_;
     my $c = $r->connection();
+    my $salt = '$1$'.$Apache::lonnet::perlvar{'AnonymousSalt'};
     #
     #
     # Determine the number of columns in the spreadsheet
@@ -695,7 +764,16 @@
     $worksheet->write($partid_row,0,'Part ID',$format->{'bold'});
     $worksheet->write($respid_row,0,'Response ID',$format->{'bold'});
     # Student headers
-    my @StudentColumns = ('username','domain','id','section');
+    my @StudentColumns;
+    if ($show_named) {
+        @StudentColumns = qw(username domain id section);
+    } else {
+        @StudentColumns = qw(username);
+    }
+    foreach (@StudentColumns) {
+        $worksheet->write($header_row,$cols_output++,ucfirst($_),
+                          $format->{'bold'});
+    }
     foreach (@StudentColumns) {
         $worksheet->write($header_row,$cols_output++,ucfirst($_),
                           $format->{'bold'});
@@ -742,9 +820,17 @@
         last if ($c->aborted());
         $cols_output = 0;
         my $student_row = $max_row;
+        my $anonid = &Crypt::PasswdMD5::unix_md5_crypt($student->{'username'},
+                                                       $salt);
+        $anonid = substr($anonid,length($salt)+1);
         foreach my $field (@StudentColumns) {
-            $worksheet->write($student_row,$cols_output++,
-                              $student->{$field});
+            if ($show_named) {
+                $worksheet->write($student_row,$cols_output++,
+                                  $student->{$field});
+            } else {
+                $worksheet->write($student_row,$cols_output++,
+                                      $anonid);
+            }
         }
         my $last_student_col = $cols_output-1;
         foreach my $prob (@$Problems) {
@@ -799,8 +885,13 @@
         for (my $row = $student_row+1;$row<$max_row;$row++) {
             my $cols = 0;
             foreach my $field (@StudentColumns) {
-                $worksheet->write($row,$cols++,
-                                  $student->{$field});
+                if ($show_named) {
+                    $worksheet->write($row,$cols++,
+                                      $student->{$field});
+                } else {
+                    $worksheet->write($row,$cols++,
+                                      $anonid);
+                }
             }
         }
         &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
@@ -910,8 +1001,9 @@
 #########################################################
 #########################################################
 sub prepare_csv_output {
-    my ($r,$problems,$students) = @_;
+    my ($r,$problems,$students,$show_named) = @_;
     my $c = $r->connection();
+    my $salt = '$1$'.$Apache::lonnet::perlvar{'AnonymousSalt'};
     #
     $r->print('<h2>'.
               &mt('Generating CSV report of student responses').'</h2>');
@@ -940,10 +1032,15 @@
     }
     #
     # Compute the number of columns per response
-    my @extra_resp_headers = &get_extra_response_headers();
+    my @extra_resp_headers = &get_extra_response_headers($show_named);
     #
     # Create the table header
-    my @student_columns = ('username','domain','id','section');
+    my @student_columns;
+    if ($show_named) {
+        @student_columns = qw(username domain id section);
+    } else {
+        @student_columns = qw(username);
+    }
     #
     my %headers;
     push(@{$headers{'student'}},@student_columns);
@@ -992,6 +1089,9 @@
     # Main loop
     foreach my $student (@$students) {
         last if ($c->aborted());
+        my $anonid = &Crypt::PasswdMD5::unix_md5_crypt($student->{'username'},
+                                                       $salt);
+       $anonid = substr($anonid,length($salt)+1);
         my @rows;
         foreach my $prob (@$problems) {
             foreach my $partid (@{$prob->parts}) {
@@ -1032,9 +1132,15 @@
             }
         }
         foreach my $row (@rows) {
-            print $outputfile '"'.join('","',
-                                       map { $student->{$_}; }
-                                       @student_columns).'"';
+            my $student_row_data = '';
+            if ($show_named) {
+                $student_row_data = '"'.join('","',
+                                        map { $student->{$_}; }
+                                        @student_columns).'"';
+            } else {
+                $student_row_data = '"'.$anonid.'"';
+            }
+            print $outputfile $student_row_data;
             for (my $i=scalar(@student_columns);$i<$max_column;$i++) {
                 my $value = &Apache::loncommon::csv_translate($row->[$i]);
                 $value ||='';
@@ -1081,7 +1187,7 @@
     foreach ('HTML','Excel','CSV') {
         $output_selector .= '    <option value="'.lc($_).'"';
         if ($env{'form.output'} eq lc($_)) {
-            $output_selector .= ' selected ';
+            $output_selector .= ' selected="selected" ';
         }
         $output_selector .='>'.&mt($_).'</option>'.$/;
     } 
@@ -1090,7 +1196,7 @@
     ## Environment variable initialization
     my $Str = '';
     $Str .= &Apache::lonhtmlcommon::breadcrumbs('Student Submission Reports');
-    $Str .= '<p>';
+    $Str .= '<br />';
     $Str .= &Apache::loncommon::start_data_table();
     $Str .= &Apache::loncommon::start_data_table_header_row();
     $Str .= '<th>'.&mt('Sections').'</th>';
@@ -1166,7 +1272,6 @@
                     '<input type="text" name="stats_status"'
                    .' size="60" value="" readonly="readonly" />')
            .'</span></p>';
-    $Str .= '</p>';
     ##
     return $Str;
 }
Index: loncom/interface/statistics/lonstathelpers.pm
diff -u loncom/interface/statistics/lonstathelpers.pm:1.59 loncom/interface/statistics/lonstathelpers.pm:1.59.12.1
--- loncom/interface/statistics/lonstathelpers.pm:1.59	Wed May  6 16:19:42 2009
+++ loncom/interface/statistics/lonstathelpers.pm	Sat Sep 11 19:08:23 2010
@@ -1,6 +1,6 @@
 # The LearningOnline Network with CAPA
 #
-# $Id: lonstathelpers.pm,v 1.59 2009/05/06 16:19:42 bisitz Exp $
+# $Id: lonstathelpers.pm,v 1.59.12.1 2010/09/11 19:08:23 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -262,14 +262,29 @@
         ('&nbsp;'x4).
         '<a href="javascript:checkall(false)">'.&mt('Unselect All').'</a>';
     $Str .= $/.'<table>'.$/;
-    my $iterator = $navmap->getIterator(undef, undef, undef, 1);
-    my $sequence_string;
+    my ($iterator,$sequence_string,@Accumulator);
     my $seq_id = 0;
-    my @Accumulator = (&new_accumulator($env{'course.'.$cid.'.description'},
-                                        '',
-                                        '',
-                                        $seq_id++,
-                                        $inputname));
+    if (&Apache::loncommon::needs_gci_custom()) {
+        my $cdom = $env{'course.'.$cid.'.domain'};
+        my $cnum = $env{'course.'.$cid.'.num'};
+        my $mapurl = "/uploaded/$cdom/$cnum/default_1261144274.sequence";
+        my $map = $navmap->getResourceByUrl($mapurl);
+        my $firstResource = $map->map_start();
+        my $lastResource = $map->map_finish();
+        $iterator = $navmap->getIterator($firstResource,$lastResource,undef,1);
+        @Accumulator = (&new_accumulator($map->compTitle,
+                                         $map->src,
+                                         $map->symb,
+                                         $seq_id++,
+                                         $inputname));
+    } else {
+        $iterator = $navmap->getIterator(undef, undef, undef, 1);
+        @Accumulator = (&new_accumulator($env{'course.'.$cid.'.description'},
+                                         '',
+                                         '',
+                                         $seq_id++,
+                                         $inputname));
+    }
     my @Sequence_Data;
     while (my $curRes = $iterator->next()) {
         if ($curRes == $iterator->END_MAP) {

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