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Diff for /loncom/interface/lontrackstudent.pm between versions 1.1 and 1.2

version 1.1, 2004/08/11 18:41:05 version 1.2, 2004/08/11 23:37:36
Line 50  use Time::HiRes; Line 50  use Time::HiRes;
   
 ###################################################################  ###################################################################
 ###################################################################  ###################################################################
 sub get_all_data {}  sub get_all_data {
       my ($r,$prog_state,$navmap) = @_;
       ##
       ## Compose the query
       &Apache::lonhtmlcommon::Update_PrgWin
           ($r,$prog_state,&mt('Composing Query'));
       #
       my $query;
       my $cid = $ENV{'request.course.id'};
       my $domain = $ENV{'course.'.$cid.'.domain'};
       my $home = $ENV{'course.'.$cid.'.home'};
       my $course = $ENV{'course.'.$cid.'.num'};
       my $prefix = $course.'_'.$domain.'_';
       #
       my $student_table  = $prefix.'students';
       my $res_table      = $prefix.'resource';
       my $action_table   = $prefix.'actions';
       my $machine_table  = $prefix.'machine_table';
       my $activity_table = $prefix.'activity';
       #
       $query = qq{
           select B.resource,A.time,C.student,D.action,E.machine,A.action_values 
               FROM $activity_table AS A
               LEFT JOIN $res_table AS B ON B.res_id=A.res_id 
               LEFT JOIN $student_table  AS C ON C.student_id=A.student_id 
               LEFT JOIN $action_table   AS D ON D.action_id=A.action_id 
               LEFT JOIN $machine_table  AS E ON E.machine_id=A.machine_id
       };
       $query =~ s|$/||g;
       # &Apache::lonnet::logthis($query);
       ##
       ## Send it along
       my $reply=&Apache::lonnet::metadata_query($query,undef,undef,[$home]);
       if (ref($reply) ne 'HASH') {
           $r->print('<h2>'.
                     &mt('Error contacting home server for course: [_1]',
                         $reply).
                     '</h2>');
           return;
       }
       my $results_file = $r->dir_config('lonDaemons').'/tmp/'.$reply->{$home};
       my $endfile = $results_file.'.end';
       ##
       ## Check for the results
       &Apache::lonhtmlcommon::Update_PrgWin
           ($r,$prog_state,&mt('Waiting for results'));
       my $maxtime = 500;
       my $starttime = time;
       while (! -e $endfile && (time-$starttime < $maxtime)) {
           sleep(1);
           &Apache::lonhtmlcommon::Update_PrgWin
               ($r,$prog_state,&mt('Waiting for results'));
       }
       if (! -e $endfile) {
           $r->print('<h2>'.
                     &mt('Unable to retrieve data.').'</h2>');
           $r->print(&mt('Please try again in a few minutes.'));
           return;
       }
       &Apache::lonhtmlcommon::Update_PrgWin
           ($r,$prog_state,&mt('Parsing results'));
       if (! open(ACTIVITYDATA,$results_file)) {
           $r->print('<h2>'.
                     &mt('Unable to read results file.  This is a serious error and has been logged.  You should contact your system administrator to resolve this issue.  If you are the system administrator, I feel sorry for you.').
                     '</h2>');
           return;
       }
       my $tableheader = 
           '<table><tr>'.
           '<th>'.&mt('Resource').'</th>'.
           '<th>'.&mt('Time').'</th>'.
           '<th>'.&mt('Student').'</th>'.
           '<th>'.&mt('Action').'</th>'.
           '<th>'.&mt('Originating Server').'</th>'.
           '<th>'.&mt('Data').'</th>'.
           '</tr>'.$/;
       my $count =0;
       $r->print($tableheader);
       $r->rflush();
       while (my $line = <ACTIVITYDATA>) {
           $line = &Apache::lonnet::unescape($line);
           if (++$count % 50 == 0) {
               $r->print('</table>'.$/);
               $r->rflush();
               $r->print($tableheader);
           }
           my ($symb,$timestamp,$student,$action,$machine,$values) =
               map { &Apache::lonnet::unescape($_); } split(',',$line,6);
           my ($title,$src);
           if ($symb =~ m:^/(res|adm)/:) {
               $title = $symb;
               $src = $symb;
           } else {
               # We may need to add 'uploaded/' to the symb
               # 
               # Hey, guess what - navmaps->getBySymb 
               # does not work with uploaded resources/new style courses/something
               # The fact that our symbs do not have uploaded/ prepended to them
               # then they (most often but not always) should, is likely to be
               # a puzzle too.
               #my $nav_res = $navmap->getBySymb($symb);
               $title = 'resource title goes here'; # $nav_res->title();
               $src   = '/dev/null'; # $nav_res->src();
           }
           $r->print('<tr>'.
                     '<td>'.'<a href="'.$src.'">'.$title.'</a>'.'</td>'.
                     '<td><nobr>'.$timestamp.'</nobr></td>'.
                     '<td>'.$student.'</td>'.
                     '<td>'.$action.'</td>'.
                     '<td>'.$machine.'</td>'.
                     '<td>'.$values.'</td>'.'</tr>'.$/);
       }
       $r->print('</table>'.$/);
       close(ACTIVITYDATA);
       &Apache::lonhtmlcommon::Update_PrgWin
           ($r,$prog_state,&mt('Finished!'));
       return;
   }
   
 sub get_student_data {}  sub get_student_data {}
 sub html_output_student_data {}  sub html_output_student_data {}
 sub html_output_class_data {}  sub html_output_class_data {}
Line 110  sub handler { Line 228  sub handler {
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},      &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                                             ['selected_student']);                                              ['selected_student']);
     #      #
     # Give the LON-CAPA page header      # We will almost always need this...
     $r->print('<html><head><title>'.      my $navmap = Apache::lonnavmaps::navmap->new();
               &mt('Student Activity').  
               "</title></head>\n".  
               &Apache::loncommon::bodytag('Student Activity'));  
     $r->rflush();  
     #       # 
     # Either print out a menu for them or send them to a report  
     &Apache::lonhtmlcommon::clear_breadcrumbs();      &Apache::lonhtmlcommon::clear_breadcrumbs();
     &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/studentactivity',      &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/studentactivity',
                                             title=>'Student Activity',                                              title=>'Student Activity',
Line 125  sub handler { Line 238  sub handler {
                                             faq=>139,                                              faq=>139,
                                             bug=>'instructor interface'});                                              bug=>'instructor interface'});
     #      #
       # Give the LON-CAPA page header
       $r->print('<html><head><title>'.
                 &mt('Student Activity').
                 "</title></head>\n".
                 &Apache::loncommon::bodytag('Student Activity').
                 &Apache::lonhtmlcommon::breadcrumbs(undef,'Student Activity'));
       $r->rflush();
       #
     # Begin form output      # Begin form output
     $r->print('<form name="Statistics" ');      $r->print('<form name="trackstudent" method="post" action="/adm/trackstudent">');
     $r->print('method="post" action="/adm/statistics">');      $r->print('<br />');
       $r->print('<div name="statusline">'.
                 &mt('Status:[_1]',
                     '<input type="text" name="status" size="60" value="" />').
                 '</div>');
     $r->rflush();      $r->rflush();
     $r->print('<h1>'.&mt('View student activity').'</h1>');      my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin
           ($r,&mt('Student Activity Retrieval'),
            &mt('Student Activity Retrieval'),undef,'inline',undef,
            'trackstudent','status');
       &Apache::lonhtmlcommon::Update_PrgWin
           ($r,\%prog_state,&mt('Contacting course home server'));
     #      #
     my $result = &request_data_update();      my $result = &request_data_update();
     if (ref($result) eq 'HASH') {      if (ref($result) eq 'HASH') {
         $result = join(map { $_.'=>'.$result->{$_}; } keys(%$result));          $result = join(' ',map { $_.'=>'.$result->{$_}; } keys(%$result));
     }      }
     $r->print('<h2>'.$result.'</h2>');      $r->print('<h2>'.$result.'</h2>');
     #      #
Line 145  sub handler { Line 275  sub handler {
         $r->print('I would like to have something to show you but I do not.');          $r->print('I would like to have something to show you but I do not.');
     }      }
     #      #
       &get_all_data($r,\%prog_state,$navmap);
   
   #    &Apache::lonhtmlcommon::Update_PrgWin
   #        ($r,\%prog_state,&mt('Done'));
   
       #
     $r->print("</form>\n");      $r->print("</form>\n");
     $r->print("</body>\n</html>\n");      $r->print("</body>\n</html>\n");
     $r->rflush();      $r->rflush();
Removed from v.1.1  
changed lines
  Added in v.1.2

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