Return to lonsubmissiontimeanalysis.pm CVS log

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&ProblemSelector: have fallback for case when the resource does not have
a title.

    1: # The LearningOnline Network with CAPA
    2: #
    3: # $Id: lonsubmissiontimeanalysis.pm,v 1.5 2003/12/10 23:06:57 matthew Exp $
    4: #
    5: # Copyright Michigan State University Board of Trustees
    6: #
    7: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    8: #
    9: # LON-CAPA is free software; you can redistribute it and/or modify
   10: # it under the terms of the GNU General Public License as published by
   11: # the Free Software Foundation; either version 2 of the License, or
   12: # (at your option) any later version.
   13: #
   14: # LON-CAPA is distributed in the hope that it will be useful,
   15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   17: # GNU General Public License for more details.
   18: #
   19: # You should have received a copy of the GNU General Public License
   20: # along with LON-CAPA; if not, write to the Free Software
   21: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   22: #
   23: # /home/httpd/html/adm/gpl.txt
   24: #
   25: # http://www.lon-capa.org/
   26: #
   27: 
   28: package Apache::lonsubmissiontimeanalysis;
   29: 
   30: use strict;
   31: use Apache::lonnet();
   32: use Apache::loncommon();
   33: use Apache::lonhtmlcommon();
   34: use Apache::loncoursedata();
   35: use Apache::lonstatistics;
   36: use Apache::lonlocal;
   37: use HTML::Entities();
   38: use Time::Local();
   39: use Spreadsheet::WriteExcel();
   40: 
   41: my $plotcolors = ['#33ff00', 
   42:                   '#ff33cc', '#990000', '#aaaa66', '#663399', '#ff9933',
   43:                   '#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66',
   44:                   ]; 
   45: 
   46: my @SubmitButtons = (
   47:                      { name => 'ProblemAnalyis',
   48:                        text => 'Analyze Problem Again' },
   49:                      { name => 'SelectAnother',
   50:                        text => 'Choose a different resource' },
   51:                      );
   52: 
   53: sub render_resource {
   54:     my ($resource) = @_;
   55:     ##
   56:     ## Render the problem
   57:     my $base;
   58:     ($base,undef) = ($resource->{'src'} =~ m|(.*/)[^/]*$|);
   59:     $base = "http://".$ENV{'SERVER_NAME'}.$base;
   60:     my $rendered_problem = 
   61:         &Apache::lonnet::ssi_body($resource->{'src'});
   62:     $rendered_problem =~ s/<\s*form\s*/<nop /g;
   63:     $rendered_problem =~ s|(<\s*/form\s*>)|<\/nop>|g;
   64:     return '<table bgcolor="ffffff"><tr><td>'.
   65:         '<base href="'.$base.'" />'.
   66:         $rendered_problem.
   67:         '</td></tr></table>';
   68: }
   69: 
   70: sub BuildSubmissionTimePage {
   71:     my ($r,$c)=@_;
   72:     #
   73:     my %Saveable_Parameters = ('Status' => 'scalar',
   74:                                'Section' => 'array');
   75:     &Apache::loncommon::store_course_settings('submissiontime_analysis',
   76:                                               \%Saveable_Parameters);
   77:     &Apache::loncommon::restore_course_settings('submissiontime_analysis',
   78:                                                 \%Saveable_Parameters);
   79:     #
   80:     &Apache::lonstatistics::PrepareClasslist();    
   81:     #
   82:     $r->print('<h2>'.&mt('Submission Time Plots').'</h2>');
   83:     $r->print(&CreateInterface());
   84:     #
   85:     my @Students = @Apache::lonstatistics::Students;
   86:     #
   87:     if (@Students < 1) {
   88:         $r->print('<h2>There are no students in the sections selected</h2>');
   89:     }
   90:     #
   91:     &Apache::loncoursedata::clear_internal_caches();
   92:     if (exists($ENV{'form.ClearCache'}) || 
   93:         exists($ENV{'form.updatecaches'}) ||
   94:         (exists($ENV{'form.firstanalysis'}) &&
   95:          $ENV{'form.firstanalysis'} ne 'no')) {
   96:         &Apache::lonstatistics::Gather_Full_Student_Data($r);
   97:     }
   98:     if (! exists($ENV{'form.firstanalysis'})) {
   99:         $r->print('<input type="hidden" name="firstanalysis" value="yes" />');
  100:     } else {
  101:         $r->print('<input type="hidden" name="firstanalysis" value="no" />');
  102:     }
  103:     $r->rflush();
  104:     #
  105:     if (! exists($ENV{'form.problemchoice'}) ||
  106:         exists($ENV{'form.SelectAnother'})) {
  107:         $r->print('<input type="submit" name="" value="'.
  108:                   &mt('Graph Problem Submission Times').'" />');
  109:         $r->print('&nbsp;'x5);
  110:         $r->print('<h3>'.&mt('Please select a problem to analyze').'</h3>');
  111:         $r->print(&ProblemSelector());
  112:     } else {
  113:         foreach my $button (@SubmitButtons) {
  114:             $r->print('<input type="submit" name="'.$button->{'name'}.'" '.
  115:                       'value="'.&mt($button->{'text'}).'" />');
  116:             $r->print('&nbsp;'x5);
  117:         }
  118:         $r->print('<input type="hidden" name="problemchoice" value="'.
  119:                   $ENV{'form.problemchoice'}.'" />');
  120:         #
  121:         $r->print('<hr />');
  122:         #
  123:         my ($symb,$part) = &get_problem_symb(
  124:                   &Apache::lonnet::unescape($ENV{'form.problemchoice'}));
  125:         $r->rflush();
  126:         #
  127:         my $resource = &get_resource_from_symb($symb);
  128:         if (! defined($resource)) {
  129:             $r->print('resource is undefined');
  130:         } else {
  131:             $r->print('<h1>'.$resource->{'title'}.'</h1>');
  132:             $r->print('<h3>'.$resource->{'src'}.'</h3>');
  133:             $r->rflush();
  134:             $r->print(&render_resource($resource));
  135:             $r->rflush();
  136:             $r->print(&analyze_times($r,$resource,\@Students,$part));
  137:         }
  138:         $r->print('<hr />');
  139:     }
  140: }
  141: 
  142: #########################################################
  143: #########################################################
  144: ##
  145: ##                  Time Analysis
  146: ##
  147: #########################################################
  148: #########################################################
  149: sub get_week_start {
  150:     my ($randomtime) = @_;
  151:     my ($sec,$min,$hour,$mday,$month,$year,$wday,$yday,$isdst) = 
  152:         localtime($randomtime);
  153:     $randomtime -= $wday * 86400;
  154:     ($sec,$min,$hour,$mday,$month,$year,$wday,$yday,$isdst) = 
  155:         localtime($randomtime);
  156:     my $week_start = &Time::Local::timelocal(0,0,0,$mday,$month,$year);
  157:     return $week_start;
  158: }
  159: 
  160: sub analyze_times {
  161:     my ($r,$resource,$students,$part) = @_;
  162:     #
  163:     # Convenience arrays
  164:     my @FullWeekDay = (qw/Sunday Monday Tuesday Wednesday Thursday Friday
  165:                        Saturday/);
  166:     my @WeekDay = (qw/SUN MON TUE WED THU FRI SAT SUN/);
  167:     my @Month = (qw/Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec/);
  168:     #
  169:     my $html; # holds results of analysis
  170:     # Get the data
  171:     my $SubData = &Apache::loncoursedata::get_response_time_data
  172:         ($students,$resource->{'symb'},$part);
  173:     if (! defined($SubData) || ! ref($SubData)) {
  174:         $html.= '<h2>There is no submission data for this resource</h2>';
  175:         return $html;
  176:     }
  177:     my $NumSub = scalar(@{$SubData});
  178:     if (! @{$SubData}) {
  179:         $html.= '<h2>There is no submission data for this resource</h2>';
  180:         return $html;
  181:     }
  182:     # Process the data
  183:     #
  184:     my (undef,undef,undef,$mday,$month,$year,$wday,$yday,$isdst) = 
  185:         localtime(&get_time_from_row($SubData->[0]));
  186:     my $day_start = &Time::Local::timelocal(0,0,0,$mday,$month,$year);
  187:     #
  188:     # Configure the bins used to store the data.
  189:     my $binsize = 3600; # seconds
  190:     my $bins_per_day = 86400/$binsize;
  191:     my $bincount = 0;
  192:     my $endtime = $day_start;
  193:     #
  194:     # Initialize loop variables
  195:     my $max;
  196:     my @Ydata=(0);
  197:     my @AnsData=(0);
  198:     my @Xlabel=($WeekDay[$wday]);
  199:     my $cumulative_answers = 0;
  200:     #
  201:     foreach my $row (@$SubData) {
  202:         my $subtime = &get_time_from_row($row);
  203:         while ($subtime > $endtime && $endtime < time) {
  204:             # Create a new bin
  205:             $bincount++;
  206:             $Ydata[$bincount]=0;
  207:             $AnsData[$bincount]=$AnsData[$bincount-1];
  208:             $endtime += $binsize;
  209:             if ($bincount % (86400/$binsize) == 0) {
  210:                 $wday++;
  211:                 $wday %= 7;
  212:                 $Xlabel[$bincount] = $WeekDay[$wday];
  213:             } else {
  214:                 $Xlabel[$bincount] = '';
  215:             }
  216:         }
  217:         $Ydata[$bincount]++;
  218:         $max = $Ydata[$bincount] if ($max < $Ydata[$bincount]);
  219:         $AnsData[$bincount] += &successful_submission($row);
  220:         $cumulative_answers += &successful_submission($row);
  221:     }
  222:     foreach my $maximum (10,15,20,25,30,40,50,60,70,80,90,100,
  223:                           120,150,200,250,300,350,400,450,500,
  224:                           600,700,800,900,1000,1100,1200,1500,2000,
  225:                           2500,3000,4000,5000) {
  226:         if ($max < $maximum) {
  227:             $max = $maximum;
  228:             last;
  229:         }
  230:     }
  231:     while ($bincount % $bins_per_day != 0) {
  232:         $bincount++;
  233:         $Ydata[$bincount]=0;
  234:         $AnsData[$bincount]=$AnsData[$bincount-1];
  235:         $endtime += $binsize;
  236:         if ($bincount % (86400/$binsize) == 0) {
  237:             $wday ++;
  238:             $wday %= 7;
  239:             $Xlabel[$bincount] = $WeekDay[$wday];
  240:         } else {
  241:             $Xlabel[$bincount] = '';
  242:         }
  243:     }
  244: 
  245:     my $title = 'Number of Submissions and Number Correct';
  246:     my $xlabel;
  247:     (undef,undef,undef,$mday,$month,$year,$wday) = localtime($day_start);
  248:     $xlabel .= $FullWeekDay[$wday].' '.
  249:         join(' ',($Month[$month],$mday,1900+$year)).' - ';
  250:     (undef,undef,undef,$mday,$month,$year,$wday) = localtime($endtime);
  251:     $xlabel .= $FullWeekDay[$wday].' '.
  252:         join(' ',($Month[$month],$mday,1900+$year));
  253:     $html .= &Apache::loncommon::DrawXYYGraph($title,
  254:                                               $xlabel,
  255:                                               'Number of Submissions per hour',
  256:                                               $plotcolors,
  257:                                               \@Xlabel,
  258:                                               \@Ydata,
  259:                                               0,$max,
  260:                                               \@AnsData,
  261:                                               0,scalar(@$students),
  262:                                               (xskip => $bins_per_day,
  263:                                                x_ticks => $bins_per_day,
  264:                                                x_tick_offset => $bins_per_day,
  265:                                                width => 50+2*$bincount)
  266:                                               );
  267:     $html .= '<br />';
  268:     return $html;
  269: }
  270: 
  271: sub successful_submission {
  272:     my ($row) = @_;
  273:     if (ref($row) eq 'ARRAY') {
  274:         return $row->[&Apache::loncoursedata::RT_awarded()];
  275:     }
  276:     return undef;
  277:     return 0;
  278: }
  279: 
  280: sub get_time_from_row {
  281:     my ($row) = @_;
  282:     if (ref($row) eq 'ARRAY') {
  283:         return $row->[&Apache::loncoursedata::RT_timestamp()];
  284:     } 
  285:     return undef;
  286: }
  287: 
  288: sub get_tries_from_row {
  289:     my ($row) = @_;
  290:     if (ref($row) eq 'ARRAY') {
  291:         return $row->[&Apache::loncoursedata::RT_tries()];
  292:     }
  293:     return undef;
  294: }
  295: 
  296: sub Process_Row {
  297:     my ($row) = @_;
  298:     my %RowData;
  299:     my ($student_id,$award,$tries,$time) = @$row;
  300:     return %RowData;
  301: }
  302: 
  303: #########################################################
  304: #########################################################
  305: ##
  306: ##   Generic Interface Routines
  307: ##
  308: #########################################################
  309: #########################################################
  310: sub CreateInterface {
  311:     ##
  312:     ## Environment variable initialization
  313:     if (! exists$ENV{'form.AnalyzeOver'}) {
  314:         $ENV{'form.AnalyzeOver'} = 'Tries';
  315:     }
  316:     ##
  317:     ## Build the menu
  318:     my $Str = '';
  319:     $Str .= '<table cellspacing="5">'."\n";
  320:     $Str .= '<tr>';
  321:     $Str .= '<td align="center"><b>'.&mt('Sections').'</b></td>';
  322:     $Str .= '<td align="center"><b>'.&mt('Enrollment Status').'</b></td>';
  323:     $Str .= '<td align="center">&nbsp;</td>';
  324:     $Str .= '</tr>'."\n";
  325:     ##
  326:     ## 
  327:     $Str .= '<tr><td align="center">'."\n";
  328:     $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
  329:     $Str .= '</td>';
  330:     #
  331:     $Str .= '<td align="center">';
  332:     $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
  333:     $Str .= '</td>';
  334:     #
  335:     my $only_seq_with_assessments = sub { 
  336:         my $s=shift;
  337:         if ($s->{'num_assess'} < 1) { 
  338:             return 0;
  339:         } else { 
  340:             return 1;
  341:         }
  342:     };
  343:     &Apache::lonstatistics::MapSelect('Maps','multiple,all',5,
  344:                                               $only_seq_with_assessments);
  345:     ##
  346:     ##
  347:     $Str .= '</tr>'."\n";
  348:     $Str .= '</table>'."\n";
  349:     return $Str;
  350: }
  351: 
  352: sub ProblemSelector {
  353:     my $Str;
  354:     $Str = "<table>\n";
  355:     foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
  356:         next if ($seq->{'num_assess'}<1);
  357:         my $seq_str = '';
  358:         foreach my $res (@{$seq->{'contents'}}) {
  359:             next if ($res->{'type'} ne 'assessment');
  360:             if (@{$res->{'parts'}} == 1) {
  361:                 my $value = &Apache::lonnet::escape($res->{'symb'}.':'.
  362:                                                     $res->{'parts'}->[0]);
  363:                 my $checked;
  364:                 if ($ENV{'form.problemchoice'} eq $value) {
  365:                     $checked = 'checked ';
  366:                 }
  367:                 my $title = $res->{'title'};
  368:                 if (! defined($title) || $title eq '') {
  369:                     ($title) = ($res->{'src'} =~ m:/([^/]*)$:);
  370:                 }
  371: #                &Apache::lonnet::logthis('title = :'.$title.':');
  372:                 $seq_str .= '<tr><td>'.
  373:   '<input type="radio" name="problemchoice" value="'.$value.'" '.$checked.'/>'.
  374:   '</td><td>'.
  375:   '<a href="'.$res->{'src'}.'">'.$title.'</a> ';
  376:             } else {
  377:                 my $title = $res->{'title'};
  378:                 if (! defined($title) || $title eq '') {
  379:                     ($title) = ($res->{'src'} =~ m:/([^/]*)$:);
  380:                 }
  381:                 $seq_str .= '<tr><td>'.
  382:                     '&nbsp;'.'</td><td>'.
  383:                     '<a href="'.$res->{'src'}.'">'.$title.'</a>'.
  384:                     "</td></tr>\n";
  385:                 foreach my $part (@{$res->{'parts'}}) {
  386:                     my $value = &Apache::lonnet::escape
  387:                                                ($res->{'symb'}.':'.$part);
  388:                     my $checked;
  389:                     if ($ENV{'form.problemchoice'} eq $value) {
  390:                         $checked = 'checked ';
  391:                     }
  392:                     $seq_str .= '<tr><td>'.
  393:   '<input type="radio" name="problemchoice" value="'.$value.'" '.$checked.'/>'.
  394:   '</td><td>'.('&nbsp;'x5).'part '.$part."</td></tr>\n";
  395:                 }
  396:             }
  397:         }
  398:         if ($seq_str ne '') {
  399:             $Str .= '<tr><td>&nbsp</td><td><b>'.$seq->{'title'}.'</b></td>'.
  400:                 "</tr>\n".$seq_str;
  401:         }
  402:     }
  403:     $Str .= "</table>\n";
  404:     return $Str;
  405: }
  406: 
  407: #########################################################
  408: #########################################################
  409: ##
  410: ##      Misc functions (ought to be put in a module)
  411: ##
  412: #########################################################
  413: #########################################################
  414: sub get_problem_symb {
  415:     my $problemstring = shift();
  416:     my ($symb,$partid) = ($problemstring=~ /^(.*):([^:]*)$/);
  417:     return ($symb,$partid);
  418: }
  419: 
  420: sub get_resource_from_symb {
  421:     my ($symb) = @_;
  422:     foreach my $seq (&Apache::lonstatistics::Sequences_with_Assess()) {
  423:         foreach my $res (@{$seq->{'contents'}}) {
  424:             if ($res->{'symb'} eq $symb) {
  425:                 return $res;
  426:             }
  427:         }
  428:     }
  429:     return undef;
  430: }
  431: 
  432: 1;
  433: 
  434: __END__