--- loncom/interface/statistics/lonstudentassessment.pm 2003/02/28 21:19:00 1.30 +++ loncom/interface/statistics/lonstudentassessment.pm 2004/02/10 16:47:25 1.84 @@ -1,6 +1,6 @@ # The LearningOnline Network with CAPA # -# $Id: lonstudentassessment.pm,v 1.30 2003/02/28 21:19:00 matthew Exp $ +# $Id: lonstudentassessment.pm,v 1.84 2004/02/10 16:47:25 matthew Exp $ # # Copyright Michigan State University Board of Trustees # @@ -52,9 +52,28 @@ package Apache::lonstudentassessment; use strict; use Apache::lonstatistics; use Apache::lonhtmlcommon; +use Apache::loncommon(); use Apache::loncoursedata; use Apache::lonnet; # for logging porpoises -use GDBM_File; +use Apache::lonlocal; +use Spreadsheet::WriteExcel; +use Spreadsheet::WriteExcel::Utility(); + +####################################################### +####################################################### +=pod + +=item Package Variables + +=over 4 + +=item $Statistics Hash ref to store student data. Indexed by symb, + contains hashes with keys 'score' and 'max'. + +=cut + +####################################################### +####################################################### my $Statistics; @@ -63,27 +82,52 @@ my $Statistics; =pod -=item &BuildStudentAssessmentPage() +=item $show_links 'yes' or 'no' for linking to student performance data -Inputs: +=item $output_mode 'html', 'excel', or 'csv' for output mode -=over 4 +=item $show 'all', 'totals', or 'scores' determines how much data is output + +=item $data determines what performance data is shown + +=item $datadescription A short description of the output data selected. + +=item $base 'tries' or 'scores' determines the base of the performance shown + +=item $single_student_mode evaluates to true if we are showing only one +student. + +=cut + +####################################################### +####################################################### +my $show_links; +my $output_mode; +my $data; +my $base; +my $datadescription; +my $single_student_mode; + +####################################################### +####################################################### +# End of package variable declarations + +=pod -=item $cacheDB The name of the cache file used to store student data +=back -=item $students Array ref containing the name(s) of the students -selected for display +=cut -=item $courseID The ID of the course +####################################################### +####################################################### -=item $formName The name of the html form - 'Statistics' +=pod -=item $headings Array ref of headings to show +=item &BuildStudentAssessmentPage() -=item $spacing A string of spaces +Inputs: -=item $studentInformation Array ref of possible headings for student info -('fullname','section',...) +=over 4 =item $r Apache Request @@ -97,36 +141,162 @@ selected for display ####################################################### sub BuildStudentAssessmentPage { my ($r,$c)=@_; + # undef($Statistics); - + undef($show_links); + undef($output_mode); + undef($data); + undef($base); + undef($datadescription); + undef($single_student_mode); + # + my %Saveable_Parameters = ('Status' => 'scalar', + 'chartoutputmode' => 'scalar', + 'chartoutputdata' => 'scalar', + 'Section' => 'array', + 'StudentData' => 'array', + 'Maps' => 'array'); + &Apache::loncommon::store_course_settings('chart',\%Saveable_Parameters); + &Apache::loncommon::restore_course_settings('chart',\%Saveable_Parameters); + # + &Apache::lonstatistics::PrepareClasslist(); # + $single_student_mode = 0; + $single_student_mode = 1 if ($ENV{'form.SelectedStudent'}); + if ($ENV{'form.selectstudent'}) { + &Apache::lonstatistics::DisplayClasslist($r); + return; + } + # + # Print out the HTML headers for the interface + # This also parses the output mode selector + # This step must *always* be done. $r->print(&CreateInterface()); + $r->print(''); + $r->print(''); $r->rflush(); # - $r->print(&CreateTableHeadings()); + if (! exists($ENV{'form.notfirstrun'}) && ! $single_student_mode) { + return; + } + # + my $initialize = \&html_initialize; + my $output_student = \&html_outputstudent; + my $finish = \&html_finish; + # + if ($output_mode eq 'excel') { + $initialize = \&excel_initialize; + $output_student = \&excel_outputstudent; + $finish = \&excel_finish; + } elsif ($output_mode eq 'csv') { + $initialize = \&csv_initialize; + $output_student = \&csv_outputstudent; + $finish = \&csv_finish; + } + # if($c->aborted()) { return ; } - - my $Count = 0; - $r->print('
'."\n"); - foreach my $student (@Apache::lonstatistics::Students) { - if($c->aborted()) { return ; } - $r->print(&ChartOutputStudent($student)); - # output it - - $Count++; - if($Count % 5 == 0) { - $r->print("\n
"); - } - + # + # Determine which students we want to look at + my @Students; + if ($single_student_mode) { + @Students = (&Apache::lonstatistics::current_student()); + $r->print(&next_and_previous_buttons()); $r->rflush(); + } else { + @Students = @Apache::lonstatistics::Students; } - $r->print(''."\n"); - my $Str; + # + # Perform generic initialization tasks + # Since we use lonnet::EXT to retrieve problem weights, + # to ensure current data we must clear the caches out. + # This makes sure that parameter changes at the student level + # are immediately reflected in the chart. + &Apache::lonnet::clear_EXT_cache_status(); + # + # Clean out loncoursedata's package data, just to be safe. + &Apache::loncoursedata::clear_internal_caches(); + # + # Call the initialize routine selected above + $initialize->($r); + foreach my $student (@Students) { + if($c->aborted()) { + $finish->($r); + return ; + } + # Call the output_student routine selected above + $output_student->($r,$student); + } + # Call the "finish" routine selected above + $finish->($r); + # return; } ####################################################### ####################################################### +sub next_and_previous_buttons { + my $Str = ''; + $Str .= ''; + # + # Build the previous student link + my $previous = &Apache::lonstatistics::previous_student(); + my $previousbutton = ''; + if (defined($previous)) { + my $sname = $previous->{'username'}.':'.$previous->{'domain'}; + $previousbutton .= ''; + } else { + $previousbutton .= ''; + } + # + # Build the next student link + my $next = &Apache::lonstatistics::next_student(); + my $nextbutton = ''; + if (defined($next)) { + my $sname = $next->{'username'}.':'.$next->{'domain'}; + $nextbutton .= ''; + } else { + $nextbutton .= ''; + } + # + # Build the 'all students' button + my $all = ''; + $all .= ''; + $Str .= $previousbutton.(' 'x5).$all.(' 'x5).$nextbutton; + return $Str; +} + +####################################################### +####################################################### + +sub get_student_fields_to_show { + my @to_show = @Apache::lonstatistics::SelectedStudentData; + foreach (@to_show) { + if ($_ eq 'all') { + @to_show = @Apache::lonstatistics::StudentDataOrder; + last; + } + } + return @to_show; +} + +####################################################### +####################################################### =pod @@ -149,9 +319,16 @@ sub CreateInterface { # $Str .= &CreateLegend(); $Str .= '
Sections | '; - $Str .= 'Student Data | '; - $Str .= 'Sequences and Folders | '; + $Str .= ''.&mt('Sections').' | '; + $Str .= ''.&mt('Student Data').' | '; + $Str .= ''.&mt('Enrollment Status').' | '; + $Str .= ''.&mt('Sequences and Folders').' | '; + $Str .= ''.&mt('Output Format').''. + &Apache::loncommon::help_open_topic("Chart_Output_Formats"). + ' | '; + $Str .= ''.&mt('Output Data').''. + &Apache::loncommon::help_open_topic("Chart_Output_Data"). + ' | '; $Str .= '
'."\n"; @@ -168,80 +345,292 @@ sub CreateInterface { $Str .= &Apache::lonstatistics::StudentDataSelect('StudentData','multiple', 5,undef); $Str .= ' | '."\n"; + $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5); + $Str .= ' | '."\n"; $Str .= &Apache::lonstatistics::MapSelect('Maps','multiple,all',5, $only_seq_with_assessments); + $Str .= ' | '."\n"; + $Str .= &CreateAndParseOutputSelector(); + $Str .= ' | '."\n"; + $Str .= &CreateAndParseOutputDataSelector(); $Str .= ' |
'; - # First, the @StudentData fields need to be listed - my @to_show = @Apache::lonstatistics::SelectedStudentData; - foreach (@to_show) { - if ($_ eq 'all') { - @to_show = @Apache::lonstatistics::StudentDataOrder; - last; - } + $r->print("\n"; + $Str .= "".$ENV{'course.'.$ENV{'request.course.id'}.'.description'}. + " ".localtime(time)."
"); + + if ($data !~ /^final table/) { + $r->print("".$datadescription."
"); } + # + # Set up progress window for 'final table' display only + if ($data =~ /^final table/) { + my $studentcount = scalar(@Apache::lonstatistics::Students); + %prog_state=&Apache::lonhtmlcommon::Create_PrgWin + ($r,'Summary Table Status', + 'Summary Table Compilation Progress', $studentcount); + } + my $Str = "\n"; + # First, the @StudentData fields need to be listed + my @to_show = &get_student_fields_to_show(); foreach my $field (@to_show) { my $title=$Apache::lonstatistics::StudentData{$field}->{'title'}; my $base =$Apache::lonstatistics::StudentData{$field}->{'base_width'}; @@ -249,48 +638,36 @@ sub CreateTableHeadings { $Str .= $title.' 'x($width-$base).$padding; } # Now the selected sequences need to be listed - foreach my $map_symb (@Apache::lonstatistics::SelectedMaps) { - foreach my $sequence (@Apache::lonstatistics::Sequences) { - next if ($sequence->{'symb'} ne $map_symb && $map_symb ne 'all'); - next if ($sequence->{'num_assess'} < 1); - my $title = $sequence->{'title'}; - my $base = $sequence->{'base_width'}; - my $width = $sequence->{'width'}; - $Str .= $title.' 'x($width-$base).$padding; - } + foreach my $sequence (&Apache::lonstatistics::Sequences_with_Assess()){ + my $title = $sequence->{'title'}; + my $base = $sequence->{'base_width'}; + my $width = $sequence->{'width'}; + $Str .= $title.' 'x($width-$base).$padding; } - $Str .= 'total'; - $Str .= "\n"; - return $Str; + $Str .= "total
"; + # + # Check for suppression of output + if ($data =~ /^final table/) { + $Str = ''; + } + $r->print($Str); + $r->rflush(); + return; } -####################################################### -####################################################### - -=pod - -=item &ChartOutputStudent($student) - -Return a line of the chart for a student. - -=cut - -####################################################### -####################################################### -sub ChartOutputStudent { - my $student = shift; +sub html_outputstudent { + my ($r,$student) = @_; my $Str = ''; - # First, the @StudentData fields need to be listed - my @to_show = @Apache::lonstatistics::SelectedStudentData; - foreach (@to_show) { - if ($_ eq 'all') { - @to_show = @Apache::lonstatistics::StudentDataOrder; - last; - } + # + if($count++ % 5 == 0 && $count > 0 && $data !~ /^final table/) { + $r->print("
"); } + # First, the @StudentData fields need to be listed + my @to_show = &get_student_fields_to_show(); foreach my $field (@to_show) { my $title=$student->{$field}; - my $base =scalar(my @Tmp = split(//,$title)); + my $base = length($title); my $width=$Apache::lonstatistics::StudentData{$field}->{'width'}; $Str .= $title.' 'x($width-$base).$padding; } @@ -303,51 +680,791 @@ sub ChartOutputStudent { %StudentsData = @tmp; } if (scalar(@tmp) < 1) { + $nodata_count++; + return if ($data =~ /^final table/); $Str .= 'No Course Data'."\n"; - return $Str; + $r->print($Str); + $r->rflush(); + return; } # # By sequence build up the data my $studentstats; - foreach my $map_symb (@Apache::lonstatistics::SelectedMaps) { - foreach my $seq (@Apache::lonstatistics::Sequences) { - next if ($map_symb ne $seq->{'symb'} && $map_symb ne 'all'); - next if ($seq->{'num_assess'} < 1); - my ($performance,$score,$seq_max) = + my $PerformanceStr = ''; + foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) { + my ($performance,$performance_length,$score,$seq_max,$rawdata); + if ($base eq 'tries') { + ($performance,$performance_length,$score,$seq_max,$rawdata) = + &StudentTriesOnSequence($student,\%StudentsData, + $seq,$show_links); + } else { + ($performance,$performance_length,$score,$seq_max,$rawdata) = &StudentPerformanceOnSequence($student,\%StudentsData, - $seq,'linkify'); - $Str .= $performance.$padding; - $studentstats->{$seq->{'symb'}}->{'score'}= $score; - $studentstats->{$seq->{'symb'}}->{'max'} = $seq_max; + $seq,$show_links); } + my $ratio = sprintf("%3d",$score).'/'.sprintf("%3d",$seq_max); + # + if ($data eq 'sum and total' || $data eq 'parts correct total') { + $performance = $ratio; + $performance .= ' 'x($seq->{'width'}-length($ratio)); + } elsif ($data eq 'sum only' || $data eq 'parts correct') { + $performance = $score; + $performance .= ' 'x($seq->{'width'}-length($score)); + } else { + # Pad with extra spaces + $performance .= ' 'x($seq->{'width'}-$performance_length- + length($ratio) + ).$ratio; + } + # + $Str .= $performance.$padding; + # + $studentstats->{$seq->{'symb'}}->{'score'}= $score; + $studentstats->{$seq->{'symb'}}->{'max'} = $seq_max; } # # Total it up and store the statistics info. my ($score,$max) = (0,0); while (my ($symb,$seq_stats) = each (%{$studentstats})) { $Statistics->{$symb}->{'score'} += $seq_stats->{'score'}; - $Statistics->{$symb}->{'max'} += $seq_stats->{'max'}; + if ($Statistics->{$symb}->{'max'} < $seq_stats->{'max'}) { + $Statistics->{$symb}->{'max'} = $seq_stats->{'max'}; + } $score += $seq_stats->{'score'}; $max += $seq_stats->{'max'}; } - my $scorelength = scalar(my @tmp1 = split(//,$score)); - my $maxlength = scalar(my @tmp2 = split(//,$max)); - $Str .= ' '.' 'x($maxlength-$scorelength).$score.'/'.$max; + $Str .= ' '.' 'x(length($max)-length($score)).$score.'/'.$max; $Str .= " \n"; - return $Str; + # + # Check for suppressed output and update the progress window if so... + if ($data =~ /^final table/) { + $Str = ''; + &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state, + 'last student'); + } + # + $r->print($Str); + # + $r->rflush(); + return; } +sub html_finish { + my ($r) = @_; + # + # Check for suppressed output and close the progress window if so + if ($data =~ /^final table/) { + &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); + } else { + $r->print("\n"); + } + if ($single_student_mode) { + $r->print(&SingleStudentTotal()); + } else { + $r->print(&StudentAverageTotal()); + } + $r->rflush(); + return; +} + +sub StudentAverageTotal { + my $Str = "
Title | Average | Maximum |
---|---|---|
'.$seq->{'title'}.' | '. + ''.$ave.' | '. + ''.$max.' '.' |
Number of Students | Average | '. + "Maximum |
---|---|---|
'.($num_students-$nodata_count).' | '. + ''.$total_ave.' '.' | '. + ''.$total_max.' '.' | '; + $Str .= "
Sequence or Folder | Score | Maximum |
---|---|---|
'.$seq->{'title'}.' | '. + ''.$value.' | '. + ''.$max.' |
Total | '. + ''.$total.' | '. + ''.$total_max." |
+LON-CAPA is unable to produce your Excel spreadsheet because your selections +will result in more than 255 columns. Excel allows only 255 columns in a +spreadsheet. +
+You may consider reducing the number of Sequences or Folders you +have selected. +
+LON-CAPA can produce CSV files of this data or Excel files of the +summary data (Parts Correct or Parts Correct & Totals). +
+END + $request_aborted = 1; + } + if ($data eq 'scores' && $total_columns > 255) { + $r->print(<+LON-CAPA is unable to produce your Excel spreadsheet because your selections +will result in more than 255 columns. Excel allows only 255 columns in a +spreadsheet. +
+You may consider reducing the number of Sequences or Folders you +have selected. +
+LON-CAPA can produce CSV files of this data or Excel files of the +Scores Summary data. +
+END + $request_aborted = 1; + } + if ($data =~ /^final table/) { + $r->print(<+The Summary Table (Scores) option is not available for non-HTML output. +
+END + $request_aborted = 1; + } + return if ($request_aborted); + # + $filename = '/prtspool/'. + $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'. + time.'_'.rand(1000000000).'.xls'; + # + $excel_workbook = undef; + $excel_sheet = undef; + # + $rows_output = 0; + $cols_output = 0; + # + # Create sheet + $excel_workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename); + # + # Check for errors + if (! defined($excel_workbook)) { + $r->log_error("Error creating excel spreadsheet $filename: $!"); + $r->print("Problems creating new Excel file. ". + "This error has been logged. ". + "Please alert your LON-CAPA administrator"); + return ; + } + # + # The excel spreadsheet stores temporary data in files, then put them + # together. If needed we should be able to disable this (memory only). + # The temporary directory must be specified before calling 'addworksheet'. + # File::Temp is used to determine the temporary directory. + $excel_workbook->set_tempdir($Apache::lonnet::tmpdir); + # + # Add a worksheet + my $sheetname = $ENV{'course.'.$ENV{'request.course.id'}.'.description'}; + $sheetname = &Apache::loncommon::clean_excel_name($sheetname); + $excel_sheet = $excel_workbook->addworksheet($sheetname); + # + # Put the course description in the header + $excel_sheet->write($rows_output,$cols_output++, + $ENV{'course.'.$ENV{'request.course.id'}.'.description'}); + $cols_output += 3; + # + # Put a description of the sections listed + my $sectionstring = ''; + my @Sections = @Apache::lonstatistics::SelectedSections; + if (scalar(@Sections) > 1) { + if (scalar(@Sections) > 2) { + my $last = pop(@Sections); + $sectionstring = "Sections ".join(', ',@Sections).', and '.$last; + } else { + $sectionstring = "Sections ".join(' and ',@Sections); + } + } else { + if ($Sections[0] eq 'all') { + $sectionstring = "All sections"; + } else { + $sectionstring = "Section ".$Sections[0]; + } + } + $excel_sheet->write($rows_output,$cols_output++,$sectionstring); + $cols_output += scalar(@Sections); + # + # Put the date in there too + $excel_sheet->write($rows_output++,$cols_output++, + 'Compiled on '.localtime(time)); + # + $cols_output = 0; + $excel_sheet->write($rows_output++,$cols_output++,$datadescription); + # + if ($data eq 'tries' || $data eq 'scores') { + $rows_output++; + } + # + # Add the student headers + $cols_output = 0; + foreach my $field (&get_student_fields_to_show()) { + $excel_sheet->write($rows_output,$cols_output++,$field); + } + my $row_offset = 0; + if ($data eq 'tries' || $data eq 'scores') { + $row_offset = -1; + } + # + # Add the remaining column headers + my $total_formula_string = '=0'; + foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) { + $excel_sheet->write($rows_output+$row_offset, + $cols_output,$seq->{'title'}); + if ($data eq 'tries' || $data eq 'scores') { + # Determine starting cell + $seq->{'Excel:startcell'}= + &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell + ($rows_output,$cols_output); + $seq->{'Excel:startcol'}=$cols_output; + # Put the names of the problems and parts into the sheet + my $count = 0; + foreach my $res (@{$seq->{'contents'}}) { + if ($res->{'type'} ne 'assessment' || + ! exists($res->{'parts'}) || + ref($res->{'parts'}) ne 'ARRAY' || + scalar(@{$res->{'parts'}}) < 1) { + next; + } + if (scalar(@{$res->{'parts'}}) > 1) { + foreach my $part (@{$res->{'parts'}}) { + $excel_sheet->write($rows_output, + $cols_output++, + $res->{'title'}.' part '.$part); + } + } else { + $excel_sheet->write($rows_output, + $cols_output++, + $res->{'title'}); + } + $count++; + } + # Determine ending cell + if ($count == 1) { + $seq->{'Excel:endcell'} = $seq->{'Excel:startcell'}; + $seq->{'Excel:endcol'} = $seq->{'Excel:startcol'}; + } else { + $seq->{'Excel:endcell'} = + &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell + ($rows_output,$cols_output-1); + $seq->{'Excel:endcol'} = $cols_output-1; + } + # Create the formula for summing up this sequence + if (! exists($seq->{'Excel:endcell'}) || + ! defined($seq->{'Excel:endcell'})) { + $seq->{'Excel:endcell'} = $seq->{'Excel:startcell'}; + } + $seq->{'Excel:sum'}= $excel_sheet->store_formula + ('=SUM('.$seq->{'Excel:startcell'}. + ':'.$seq->{'Excel:endcell'}.')'); + } + # Determine cell the score is held in + $seq->{'Excel:scorecell'} = + &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell + ($rows_output,$cols_output); + $seq->{'Excel:scorecol'}=$cols_output; + if ($data eq 'parts correct total') { + $excel_sheet->write($rows_output,$cols_output++,'parts correct'); + } else { + $excel_sheet->write($rows_output,$cols_output++,'score'); + } + # + $total_formula_string.='+'. + &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell + ($rows_output,$cols_output-1); + $excel_sheet->write($rows_output,$cols_output++,'maximum'); + } + $excel_sheet->write($rows_output,$cols_output++,'Grand Total'); + $total_formula = $excel_sheet->store_formula($total_formula_string); + # + # Bookkeeping + if ($data eq 'sum and total' || $data eq 'parts correct total') { + $rows_output += 2; + } else { + $rows_output += 1; + } + # + # Output a row for MAX + $cols_output = 0; + foreach my $field (&get_student_fields_to_show()) { + if ($field eq 'username' || $field eq 'fullname' || + $field eq 'id') { + $excel_sheet->write($rows_output,$cols_output++,'Maximum'); + } else { + $excel_sheet->write($rows_output,$cols_output++,''); + } + } + # + # Add the maximums for each sequence or assessment + my %total_cell_translation; + my $grand_total = 0; + foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) { + $total_cell_translation{$seq->{'Excel:scorecell'}} = + &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell + ($rows_output,$seq->{'Excel:scorecol'}); + my $weight; + my $max = 0; + foreach my $resource (@{$seq->{'contents'}}) { + next if ($resource->{'type'} ne 'assessment'); + foreach my $part (@{$resource->{'parts'}}) { + $weight = 1; + if ($base eq 'scores') { + $weight = &Apache::lonnet::EXT + ('resource.'.$part.'.weight',$resource->{'symb'}, + undef,undef,undef); + if (!defined($weight) || ($weight eq '')) { + $weight=1; + } + } + if ($data eq 'scores') { + $excel_sheet->write($rows_output,$cols_output++,$weight); + } elsif ($data eq 'tries') { + $excel_sheet->write($rows_output,$cols_output++,''); + } + $max += $weight; + } + } + if (! ($data eq 'sum only' || $data eq 'parts correct')) { + $excel_sheet->write($rows_output,$cols_output++,''); + } + # + if ($data eq 'tries' || $data eq 'scores') { + my %replaceCells; + $replaceCells{$seq->{'Excel:startcell'}} = + &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell + ($rows_output,$seq->{'Excel:startcol'}); + $replaceCells{$seq->{'Excel:endcell'}} = + &Spreadsheet::WriteExcel::Utility::xl_rowcol_to_cell + ($rows_output,$seq->{'Excel:endcol'}); + $excel_sheet->repeat_formula($rows_output,$cols_output++, + $seq->{'Excel:sum'},undef, + %replaceCells); + } else { + $excel_sheet->write($rows_output,$cols_output++, + $max); + } + $grand_total+=$max; + } + if ($data eq 'tries' || $data eq 'scores') { + $excel_sheet->repeat_formula($rows_output,$cols_output++, + $total_formula,undef, + %total_cell_translation); + } else { + $excel_sheet->write($rows_output,$cols_output++,$grand_total); + } + $rows_output++; + # + # Let the user know what we are doing + my $studentcount = scalar(@Apache::lonstatistics::Students); + $r->print("+The Summary Table (Scores) option is not available for non-HTML output. +
+END + $request_aborted = 1; + } + return if ($request_aborted); + + # + # Open a file + $filename = '/prtspool/'. + $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'. + time.'_'.rand(1000000000).'.csv'; + unless ($outputfile = Apache::File->new('>/home/httpd'.$filename)) { + $r->log_error("Couldn't open $filename for output $!"); + $r->print("Problems occured in writing the csv file. ". + "This error has been logged. ". + "Please alert your LON-CAPA administrator."); + $outputfile = undef; + } + # + # Datestamp + my $description = $ENV{'course.'.$ENV{'request.course.id'}.'.description'}; + print $outputfile '"'.&Apache::loncommon::csv_translate($description).'",'. + '"'.&Apache::loncommon::csv_translate(scalar(localtime(time))).'"'. + "\n"; + # + # Print out the headings + my $Str = ''; + my $Str2 = undef; + foreach my $field (&get_student_fields_to_show()) { + if ($data eq 'sum only') { + $Str .= '"'.&Apache::loncommon::csv_translate($field).'",'; + } elsif ($data eq 'sum and total' || $data eq 'parts correct total') { + $Str .= '"",'; # first row empty on the student fields + $Str2 .= '"'.&Apache::loncommon::csv_translate($field).'",'; + } elsif ($data eq 'scores' || $data eq 'tries' || + $data eq 'parts correct') { + $Str .= '"",'; + $Str2 .= '"'.&Apache::loncommon::csv_translate($field).'",'; + } + } + foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) { + if ($data eq 'sum only' || $data eq 'parts correct') { + $Str .= '"'.&Apache::loncommon::csv_translate($seq->{'title'}). + '",'; + } elsif ($data eq 'sum and total' || $data eq 'parts correct total') { + $Str .= '"'.&Apache::loncommon::csv_translate($seq->{'title'}). + '","",'; + $Str2 .= '"score","total possible",'; + } elsif ($data eq 'scores' || $data eq 'tries') { + $Str .= '"'.&Apache::loncommon::csv_translate($seq->{'title'}). + '",'; + $Str .= '"",'x($seq->{'num_assess_parts'}-1+2); + foreach my $res (@{$seq->{'contents'}}) { + next if ($res->{'type'} ne 'assessment'); + foreach my $part (@{$res->{'parts'}}) { + $Str2 .= '"'.&Apache::loncommon::csv_translate($res->{'title'}.', Part '.$part).'",'; + } + } + $Str2 .= '"score","total possible",'; + } + } + chop($Str); + $Str .= "\n"; + print $outputfile $Str; + if (defined($Str2)) { + chop($Str2); + $Str2 .= "\n"; + print $outputfile $Str2; + } + # + # Initialize progress window + my $studentcount = scalar(@Apache::lonstatistics::Students); + %prog_state=&Apache::lonhtmlcommon::Create_PrgWin + ($r,'CSV File Compilation Status', + 'CSV File Compilation Progress', $studentcount); + return; +} + +sub csv_outputstudent { + my ($r,$student) = @_; + return if ($request_aborted); + return if (! defined($outputfile)); + my $Str = ''; + # + # Output student fields + my @to_show = &get_student_fields_to_show(); + foreach my $field (@to_show) { + $Str .= '"'.&Apache::loncommon::csv_translate($student->{$field}).'",'; + } + # + # Get student assessment data + my %StudentsData; + my @tmp = &Apache::loncoursedata::get_current_state($student->{'username'}, + $student->{'domain'}, + undef, + $ENV{'request.course.id'}); + if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) { + %StudentsData = @tmp; + } + # + # Output performance data + foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) { + my ($performance,$performance_length,$score,$seq_max,$rawdata); + if ($base eq 'tries') { + ($performance,$performance_length,$score,$seq_max,$rawdata) = + &StudentTriesOnSequence($student,\%StudentsData, + $seq,'no'); + } else { + ($performance,$performance_length,$score,$seq_max,$rawdata) = + &StudentPerformanceOnSequence($student,\%StudentsData, + $seq,'no'); + } + if ($data eq 'sum only' || $data eq 'parts correct') { + $Str .= '"'.$score.'",'; + } elsif ($data eq 'sum and total' || $data eq 'parts correct total') { + $Str .= '"'.$score.'","'.$seq_max.'",'; + } elsif ($data eq 'scores' || $data eq 'tries') { + $Str .= '"'.join('","',(@$rawdata,$score,$seq_max)).'",'; + } + } + chop($Str); + $Str .= "\n"; + print $outputfile $Str; + # + # Update the progress window + &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student'); + return; +} + +sub csv_finish { + my ($r) = @_; + return if ($request_aborted); + return if (! defined($outputfile)); + close($outputfile); + # + my $c = $r->connection(); + return if ($c->aborted()); + # + # Close the progress window + &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); + # + # Tell the user where to get their csv file + $r->print('Students Count | '. - $StudentCount.' |
Total Problems | '. - $TotalProblems.' |
Average Correct | '. - $ProblemsSolved.' |
Title | Total Problems | '. - 'Average Correct |
---|---|---|
'.$title. - ' | '.$pCount. - ' | '.$crr. - ' |