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Diff for /loncom/interface/statistics/lonproblemstatistics.pm between versions 1.43 and 1.44

version 1.43, 2003/03/26 16:26:35 version 1.44, 2003/03/26 17:03:41
Line 35  use Apache::lonnet(); Line 35  use Apache::lonnet();
 use Apache::lonhtmlcommon;  use Apache::lonhtmlcommon;
 use Apache::loncoursedata;  use Apache::loncoursedata;
 use Apache::lonstatistics;  use Apache::lonstatistics;
   use Spreadsheet::WriteExcel;
   
 #######################################################  #######################################################
 #######################################################  #######################################################
Line 229  sub BuildProblemStatisticsPage { Line 230  sub BuildProblemStatisticsPage {
         } elsif ($show eq 'ungrouped') {          } elsif ($show eq 'ungrouped') {
             &output_html_ungrouped($r);              &output_html_ungrouped($r);
         }          }
       } elsif ($output_mode eq 'excel') {
           $r->print("<h2>Preparing Excel Spreadsheet</h2>");
           &output_excel($r);
     } else {      } else {
         $r->print("<h1>Not implemented</h1>");          $r->print("<h1>Not implemented</h1>");
     }      }
     return;      return;
 }  }
   
   ###############################################
   ###############################################
   
   ###############################################
   ###############################################
 sub output_html_grouped_by_sequence {  sub output_html_grouped_by_sequence {
     my ($r) = @_;      my ($r) = @_;
     #$r->print(&ProblemStatisticsLegend());      #$r->print(&ProblemStatisticsLegend());
Line 280  sub output_html_grouped_by_sequence { Line 289  sub output_html_grouped_by_sequence {
     return;      return;
 }  }
   
   
 ###############################################  ###############################################
 ###############################################  ###############################################
   
Line 441  sub stats_row_from_hash { Line 449  sub stats_row_from_hash {
   
 ###############################################  ###############################################
 ###############################################  ###############################################
   sub output_excel {
       my ($r) = @_;
       my $filename = '/prtspool/'.
           $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
               time.'_'.rand(1000000000).'.xls';
       #
       my $excel_workbook = undef;
       my $excel_sheet = undef;
       #
       my $rows_output = 0;
       my $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'};
       if (length($sheetname) > 31) {
           $sheetname = substr($sheetname,0,31);
       }
       $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));
       #
       $rows_output++; 
       $cols_output=0;
       #
       # Add the headers
       my @Header = ("Container","Title","Part","#Stdnts","Tries","Mod",
                     "Mean","#YES","#yes","%Wrng","DoDiff",
                     "S.D.","Skew.");#,"D.F.1st","D.F.2nd");
       foreach (@Header) {
           $excel_sheet->write($rows_output,$cols_output++,$_);
       }
       $rows_output++;
       #
       # Write the data
       foreach my $sequence (&Apache::lonstatistics::Sequences_with_Assess()) {
           next if ($sequence->{'num_assess'}<1);
           foreach my $resource (@{$sequence->{'contents'}}) {
               next if ($resource->{'type'} ne 'assessment');
               foreach my $part (@{$resource->{'parts'}}) {
                   $cols_output=0;
                   my ($num,$tries,$mod,$mean,$Solved,$solved,$DegOfDiff,$STD,
                       $SKEW) = &Apache::loncoursedata::get_problem_statistics
                           (undef,$resource->{'symb'},$part,
                            $ENV{'request.course.id'});
                   #
                   if (!defined($part) || $part eq '') {
                       $part = ' ';
                   }
                   my $wrongpercent = 0;
                   if (defined($num) && $num > 0) {
                       $wrongpercent=int(10*100*($num-$Solved+$solved)/$num)/10;
                   }
                   foreach ($sequence->{'title'},$resource->{'title'},$part,
                            $num,$tries,$mod,$mean,$Solved,$solved,$wrongpercent,
                            $DegOfDiff,$STD,$SKEW) {
                       $excel_sheet->write($rows_output,$cols_output++,$_);
                   }
                   $rows_output++;
               }
           }
       }
       #
       # Write the excel file
       $excel_workbook->close();
       # Tell the user where to get their excel file
       $r->print('<br />'.
                 '<a href="'.$filename.'">Your Excel spreadsheet.</a>'."\n");
       $r->rflush();
       return;
   }
   
   
   
 sub statistics_html_table_data {  sub statistics_html_table_data {
     my ($resource,$part,$num,$tries,$mod,$mean,$Solved,$solved,$wrongpercent,      my ($resource,$part,$num,$tries,$mod,$mean,$Solved,$solved,$wrongpercent,
         $DegOfDiff,$STD,$SKEW,$show_part) = @_;          $DegOfDiff,$STD,$SKEW,$show_part) = @_;
Removed from v.1.43  
changed lines
  Added in v.1.44

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