[BACK]Return to slotrequest.pm CVS log [TXT] [DIR] Up to [LON-CAPA] / loncom / interface

Diff for /loncom/interface/slotrequest.pm between versions 1.8 and 1.30

version 1.8, 2005/08/15 19:54:26 version 1.30, 2005/11/14 23:21:55
Line 34  use Apache::Constants qw(:common :http : Line 34  use Apache::Constants qw(:common :http :
 use Apache::loncommon();  use Apache::loncommon();
 use Apache::lonlocal;  use Apache::lonlocal;
 use Apache::lonnet;  use Apache::lonnet;
   use Date::Manip;
   
 sub fail {  sub fail {
     my ($r,$code)=@_;      my ($r,$code)=@_;
Line 52  sub fail { Line 53  sub fail {
 }  }
   
 sub start_page {  sub start_page {
     my ($r)=@_;      my ($r,$title)=@_;
     my $html=&Apache::lonxml::xmlbegin();      my $html=&Apache::lonxml::xmlbegin();
     $r->print($html.'<head><title>'.      $r->print($html.'<head><title>'.&mt($title).'</title></head>');
       &mt('Request another Worktime').'</title></head>');      $r->print(&Apache::loncommon::bodytag($title));
     $r->print(&Apache::loncommon::bodytag('Requesting another Worktime'));  
 }  }
   
 sub end_page {  sub end_page {
Line 450  STUFF Line 450  STUFF
     $r->print('</table>');      $r->print('</table>');
 }  }
   
   sub to_show {
       my ($when,$slot) = @_;
       my $time=time;
       my $week=60*60*24*7;
       if ($when eq 'now') {
    if ($time > $slot->{'starttime'} &&
       $time < $slot->{'endtime'}) {
       return 1;
    }
    return 0;
       } elsif ($when eq 'nextweek') {
    if ( ($time        < $slot->{'starttime'} &&
         ($time+$week) > $slot->{'starttime'})
        ||
        ($time        < $slot->{'endtime'} &&
         ($time+$week) > $slot->{'endtime'}) ) {
       return 1;
    }
    return 0;
       } elsif ($when eq 'lastweek') {
    if ( ($time        > $slot->{'starttime'} &&
         ($time-$week) < $slot->{'starttime'})
        ||
        ($time        > $slot->{'endtime'} &&
         ($time-$week) < $slot->{'endtime'}) ) {
       return 1;
    }
    return 0;
       } elsif ($when eq 'willopen') {
    if ($time < $slot->{'starttime'}) {
       return 1;
    }
    return 0;
       } elsif ($when eq 'wereopen') {
    if ($time > $slot->{'endtime'}) {
       return 1;
    }
    return 0;
       }
       
       return 1;
   }
   
 sub show_table {  sub show_table {
     my ($r,$symb)=@_;      my ($r,$mgr)=@_;
   
     my ($cnum,$cdom)=&get_course();      my ($cnum,$cdom)=&get_course();
     my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum);      my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum);
       if ( (keys(%slots))[0] =~ /^error: 2 /) {
    undef(%slots);
       } 
     my $available;      my $available;
     $r->print('<table border="1">');      if ($mgr eq 'F') {
     foreach my $slot (sort    $r->print('<div>');
       { return $slots{$a}->{'starttime'} <=> $slots{$b}->{'starttime'} }   $r->print('<form method="POST" action="/adm/slotrequest">
       (keys(%slots)))  {  <input type="hidden" name="command" value="uploadstart" />
   <input type="submit" name="start" value="'.&mt('Upload Slot List').'" />
   </form>');
    $r->print('<form method="POST" action="/adm/helper/newslot.helper">
   <input type="submit" name="newslot" value="'.&mt('Create a New Slot').'" />
   </form>');
    $r->print('</div>');
       }
       
       my %Saveable_Parameters = ('show'  => 'array',
          'when'  => 'scalar',
          'order' => 'scalar');
   
       &Apache::loncommon::store_course_settings('slotrequest',\%Saveable_Parameters);
       &Apache::loncommon::restore_course_settings('slotrequest',\%Saveable_Parameters);
   
       my %show_fields=&Apache::lonlocal::texthash(
        'name'         => 'Slot Name',
        'description'  => 'Description',
        'type'         => 'Type',
        'starttime'    => 'Start time',
        'endtime'      => 'End Time',
                'startreserve' => 'Time students can start reserving',
        'secret'       => 'Secret Word',
        'maxspace'     => 'Maxium # of students',
        'ip'           => 'IP or DNS restrictions',
        'symb'         => 'Resource slot is restricted to.',
        'uniqueperiod' => 'Period of time slot is unique',
        'proctor'      => 'List of proctors');
       my @show_order=('name','description','type','starttime','endtime',
          'startreserve','secret','maxspace','ip','symb',
          'uniqueperiod','proctor');
       my @show = 
    (exists($env{'form.show'})) ? &Apache::loncommon::get_env_multiple('form.show')
                               : keys(%show_fields);
       my %show =  map { $_ => 1 } (@show);
   
       my %when_fields=&Apache::lonlocal::texthash(
        'now' => 'Open now',
        'nextweek' => 'Open within the next week',
        'lastweek' => 'Were open last week',
        'willopen' => 'Will open later',
        'wereopen' => 'Were open');
       my @when_order=('now','nextweek','lastweek','willopen','wereopen');
       $when_fields{'select_form_order'} = \@when_order;
       my $when = (exists($env{'form.when'})) ? $env{'form.when'}
                                               : 'now';
   
       $r->print('<form method="POST" action="/adm/slotrequest">
   <input type="hidden" name="command" value="showslots" />');
       $r->print('<div>');
       $r->print('<table class="inline"><tr><th>'.&mt('Show').'</th><th>'.&mt('Open').'</th></tr><tr><td>'.&Apache::loncommon::multiple_select_form('show',\@show,6,\%show_fields,\@show_order).
         '</td><td>'.&Apache::loncommon::select_form($when,'when',%when_fields).
         '</td></tr></table>');
       $r->print('</div>');
       $r->print('<p><input type="submit" name="start" value="'.&mt('Update Display').'" /></p>');
       my $linkstart='<a href="/adm/slotrequest?command=showslots&amp;order=';
       $r->print('<table class="thinborder">
   <tr>
     <th></th>');
       foreach my $which (@show_order) {
    if ($which ne 'proctor' && exists($show{$which})) {
       $r->print('<th>'.$linkstart.$which.'">'.$show_fields{$which}.'</a></th>');
    }
       }
       $r->print('<th>Scheduled Students</th></tr>');
   
       my %name_cache;
       my $slotsort = sub {
    if ($env{'form.order'}=~/^(type|description|endtime|startreserve|maxspace|ip|symb)$/) {
       if (lc($slots{$a}->{$env{'form.order'}})
    ne lc($slots{$b}->{$env{'form.order'}})) {
    return (lc($slots{$a}->{$env{'form.order'}}) 
    cmp lc($slots{$b}->{$env{'form.order'}}));
       }
    } elsif ($env{'form.order'} eq 'name') {
       if (lc($a) cmp lc($b)) {
    return lc($a) cmp lc($b);
       }
    } elsif ($env{'form.order'} eq 'uniqueperiod') {
       
       if ($slots{$a}->{'uniqueperiod'}[0] 
    ne $slots{$b}->{'uniqueperiod'}[0]) {
    return ($slots{$a}->{'uniqueperiod'}[0]
    cmp $slots{$b}->{'uniqueperiod'}[0]);
       }
       if ($slots{$a}->{'uniqueperiod'}[1] 
    ne $slots{$b}->{'uniqueperiod'}[1]) {
    return ($slots{$a}->{'uniqueperiod'}[1]
    cmp $slots{$b}->{'uniqueperiod'}[1]);
       }
    }
    return $slots{$a}->{'starttime'} <=> $slots{$b}->{'starttime'};
       };
       foreach my $slot (sort $slotsort (keys(%slots)))  {
    if (!&to_show($when,$slots{$slot})) { next; }
  if (defined($slots{$slot}->{'type'})   if (defined($slots{$slot}->{'type'})
     && $slots{$slot}->{'type'} ne 'schedulable_student') {      && $slots{$slot}->{'type'} ne 'schedulable_student') {
     next;      #next;
  }   }
  my $description=&get_description($slot,$slots{$slot});   my $description=&get_description($slot,$slots{$slot});
  my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,   my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
Line 472  sub show_table { Line 613  sub show_table {
     my (undef,$id)=split("\0",$entry);      my (undef,$id)=split("\0",$entry);
     $ids.= $id.'-> '.$consumed{$entry}->{'name'}.'<br />';      $ids.= $id.'-> '.$consumed{$entry}->{'name'}.'<br />';
  }   }
  my $start=localtime($slots{$slot}->{'starttime'});   my $start=($slots{$slot}->{'starttime'}?
  my $end=localtime($slots{$slot}->{'endtime'});     &Apache::lonlocal::locallocaltime($slots{$slot}->{'starttime'}):'');
  $r->print(<<STUFF);   my $end=($slots{$slot}->{'endtime'}?
    &Apache::lonlocal::locallocaltime($slots{$slot}->{'endtime'}):'');
    my $start_reserve=($slots{$slot}->{'startreserve'}?
      &Apache::lonlocal::locallocaltime($slots{$slot}->{'startreserve'}):'');
   
    my $unique;
    if (ref($slots{$slot}{'uniqueperiod'})) {
       $unique=localtime($slots{$slot}{'uniqueperiod'}[0]).','.
    localtime($slots{$slot}{'uniqueperiod'}[1]);
    }
    my $title;
    if (exists($slots{$slot}{'symb'})) {
       my (undef,undef,$res)=
    &Apache::lonnet::decode_symb($slots{$slot}{'symb'});
       $res =   &Apache::lonnet::clutter($res);
       $title = &Apache::lonnet::gettitle($slots{$slot}{'symb'});
       $title='<a href="'.$res.'?symb='.$slots{$slot}{'symb'}.'">'.$title.'</a>';
    }
    my @proctors;
    my $rowspan=1;
    my $colspan=1;
    if (exists($show{'proctor'})) {
       $rowspan=2;
       @proctors= map {
    my ($uname,$udom)=split(/@/,$_);
    my $fullname=$name_cache{$_};
    if (!defined($fullname)) {
       &Apache::lonnet::logthis("Gettign $uname $udom");
       $fullname = &Apache::loncommon::plainname($uname,$udom);
       $fullname =~s/\s/&nbsp;/g;
       $name_cache{$_} = $fullname;
    }
    &Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
       } (sort(split(/\s*,\s*/,$slots{$slot}->{'proctor'})));
    }
    my $proctors=join(', ',@proctors);
   
    my $edit=(<<EDITFORM);
   <form method="POST" action="/adm/helper/newslot.helper">
     <input type="hidden" name="name" value="$slot" />
     <input type="submit" name="Edit" value="Edit" />
   </form>
   EDITFORM
    
           $r->print("<tr>\n<td rowspan=\"$rowspan\">$edit</td>\n");
    if (exists($show{'name'})) {
       $colspan++;$r->print("<td>$slot</td>");
    }
    if (exists($show{'type'})) {
       $colspan++;$r->print("<td>$slots{$slot}->{'type'}</td>\n");
    }
    if (exists($show{'description'})) {
       $colspan++;$r->print("<td>$description</td>\n");
    }
    if (exists($show{'starttime'})) {
       $colspan++;$r->print("<td>$start</td>\n");
    }
    if (exists($show{'endtime'})) {
       $colspan++;$r->print("<td>$end</td>\n");
    }
    if (exists($show{'startreserve'})) {
       $colspan++;$r->print("<td>$start_reserve</td>\n");
    }
    if (exists($show{'secret'})) {
       $colspan++;$r->print("<td>$slots{$slot}{'secret'}</td>\n");
    }
    if (exists($show{'maxspace'})) {
       $colspan++;$r->print("<td>$slots{$slot}{'maxspace'}</td>\n");
    }
    if (exists($show{'ip'})) {
       $colspan++;$r->print("<td>$slots{$slot}{'ip'}</td>\n");
    }
    if (exists($show{'symb'})) {
       $colspan++;$r->print("<td>$title</td>\n");
    }
    if (exists($show{'uniqueperiod'})) {
       $colspan++;$r->print("<td>$unique</td>\n");
    }
    $colspan++;$r->print("<td>$ids</td>\n</tr>\n");
    if (exists($show{'proctor'})) {
       $r->print(<<STUFF);
 <tr>  <tr>
  <td>$slot</td>   <td colspan="$colspan">$proctors</td>
  <td>$description</td>  
  <td>$start</td>  
  <td>$end</td>  
  <td>$slots{$slot}->{'maxspace'}</td>  
  <td>$ids</td>  
 </tr>  </tr>
 STUFF  STUFF
           }
     }      }
     $r->print('</table>');      $r->print('</table>');
 }  }
   
   sub upload_start {
       my ($r)=@_;    
       $r->print(&Apache::grades::checkforfile_js());
       my $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";
       $result.='&nbsp;<b>'.
    &mt('Specify a file containing the slot definitions.').
    '</b></td></tr>'."\n";
       $result.='<tr bgcolor=#ffffe6><td>'."\n";
       my $upfile_select=&Apache::loncommon::upfile_select_html();
       my $ignore=&mt('Ignore First Line');
       $result.=<<ENDUPFORM;
   <form method="post" enctype="multipart/form-data" action="/adm/slotrequest" name="slotupload">
   <input type="hidden" name="command" value="csvuploadmap" />
   $upfile_select
   <br /><input type="button" onClick="javascript:checkUpload(this.form);" value="Upload Data" />
   <label><input type="checkbox" name="noFirstLine" />$ignore</label>
   </form>
   ENDUPFORM
       $result.='</td></tr></table>'."\n";
       $result.='</td></tr></table>'."\n";
       $r->print($result);
   }
   
   sub csvuploadmap_header {
       my ($r,$datatoken,$distotal)= @_;
       my $javascript;
       if ($env{'form.upfile_associate'} eq 'reverse') {
    $javascript=&csvupload_javascript_reverse_associate();
       } else {
    $javascript=&csvupload_javascript_forward_associate();
       }
   
       my $checked=(($env{'form.noFirstLine'})?' checked="checked"':'');
       my $ignore=&mt('Ignore First Line');
       $r->print(<<ENDPICK);
   <form method="post" enctype="multipart/form-data" action="/adm/slotrequest" name="slotupload">
   <h3>Identify fields</h3>
   Total number of records found in file: $distotal <hr />
   Enter as many fields as you can. The system will inform you and bring you back
   to this page if the data selected is insufficient to create the slots.<hr />
   <input type="button" value="Reverse Association" onClick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
   <label><input type="checkbox" name="noFirstLine" $checked />$ignore</label>
   <input type="hidden" name="associate"  value="" />
   <input type="hidden" name="datatoken"  value="$datatoken" />
   <input type="hidden" name="fileupload" value="$env{'form.fileupload'}" />
   <input type="hidden" name="upfiletype" value="$env{'form.upfiletype'}" />
   <input type="hidden" name="upfile_associate" 
                                          value="$env{'form.upfile_associate'}" />
   <input type="hidden" name="command"    value="csvuploadassign" />
   <hr />
   <script type="text/javascript" language="Javascript">
   $javascript
   </script>
   ENDPICK
       return '';
   
   }
   
   sub csvuploadmap_footer {
       my ($request,$i,$keyfields) =@_;
       $request->print(<<ENDPICK);
   </table>
   <input type="hidden" name="nfields" value="$i" />
   <input type="hidden" name="keyfields" value="$keyfields" />
   <input type="button" onClick="javascript:verify(this.form)" value="Create Slots" /><br />
   </form>
   ENDPICK
   }
   
   sub csvupload_javascript_reverse_associate {
       my $error1=&mt('You need to specify the name, starttime, endtime and a type');
       return(<<ENDPICK);
     function verify(vf) {
       var foundstart=0;
       var foundend=0;
       var foundname=0;
       var foundtype=0;
       for (i=0;i<=vf.nfields.value;i++) {
         tw=eval('vf.f'+i+'.selectedIndex');
         if (i==0 && tw!=0) { foundname=1; }
         if (i==1 && tw!=0) { foundtype=1; }
         if (i==2 && tw!=0) { foundstat=1; }
         if (i==3 && tw!=0) { foundend=1; }
       }
       if (foundstart==0 && foundend==0 && foundtype==0 && foundname==0) {
    alert('$error1');
    return;
       }
       vf.submit();
     }
     function flip(vf,tf) {
     }
   ENDPICK
   }
   
   sub csvupload_javascript_forward_associate {
       my $error1=&mt('You need to specify the name, starttime, endtime and a type');
     return(<<ENDPICK);
     function verify(vf) {
       var foundstart=0;
       var foundend=0;
       var foundname=0;
       var foundtype=0;
       for (i=0;i<=vf.nfields.value;i++) {
         tw=eval('vf.f'+i+'.selectedIndex');
         if (tw==1) { foundname=1; }
         if (tw==2) { foundtype=1; }
         if (tw==3) { foundstat=1; }
         if (tw==4) { foundend=1; }
       }
       if (foundstart==0 && foundend==0 && foundtype==0 && foundname==0) {
    alert('$error1');
    return;
       }
       vf.submit();
     }
     function flip(vf,tf) {
     }
   ENDPICK
   }
   
   sub csv_upload_map {
       my ($r)= @_;
   
       my $datatoken;
       if (!$env{'form.datatoken'}) {
    $datatoken=&Apache::loncommon::upfile_store($r);
       } else {
    $datatoken=$env{'form.datatoken'};
    &Apache::loncommon::load_tmp_file($r);
       }
       my @records=&Apache::loncommon::upfile_record_sep();
       if ($env{'form.noFirstLine'}) { shift(@records); }
       &csvuploadmap_header($r,$datatoken,$#records+1);
       my ($i,$keyfields);
       if (@records) {
    my @fields=&csvupload_fields();
   
    if ($env{'form.upfile_associate'} eq 'reverse') {
       &Apache::loncommon::csv_print_samples($r,\@records);
       $i=&Apache::loncommon::csv_print_select_table($r,\@records,
     \@fields);
       foreach (@fields) { $keyfields.=$_->[0].','; }
       chop($keyfields);
    } else {
       unshift(@fields,['none','']);
       $i=&Apache::loncommon::csv_samples_select_table($r,\@records,
       \@fields);
       my %sone=&Apache::loncommon::record_sep($records[0]);
       $keyfields=join(',',sort(keys(%sone)));
    }
       }
       &csvuploadmap_footer($r,$i,$keyfields);
   
       return '';
   }
   
   sub csvupload_fields {
       return (['name','Slot name'],
       ['type','Type of slot'],
       ['starttime','Start Time of slot'],
       ['endtime','End Time of slot'],
       ['startreserve','Reservation Start Time'],
       ['ip','IP or DNS restriction'],
       ['proctor','List of proctor ids'],
       ['description','Slot Description'],
       ['maxspace','Maximum number of reservations'],
       ['symb','Resource Restriction'],
       ['uniqueperiod','Date range of slot exclusion'],
       ['secret','Secret word proctor uses to validate']);
   }
   
   sub csv_upload_assign {
       my ($r,$mgr)= @_;
       &Apache::loncommon::load_tmp_file($r);
       my @slotdata = &Apache::loncommon::upfile_record_sep();
       if ($env{'form.noFirstLine'}) { shift(@slotdata); }
       my %fields=&Apache::grades::get_fields();
       $r->print('<h3>Creating Slots</h3>');
       my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
       my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
       my $countdone=0;
       foreach my $slot (@slotdata) {
    my %slot;
    my %entries=&Apache::loncommon::record_sep($slot);
    my $domain;
    my $name=$entries{$fields{'name'}};
    if ($entries{$fields{'type'}}) {
       $slot{'type'}=$entries{$fields{'type'}};
    } else {
       $slot{'type'}='preassigned';
    }
    if ($entries{$fields{'starttime'}}) {
       $slot{'starttime'}=&UnixDate($entries{$fields{'starttime'}},"%s");
    }
    if ($entries{$fields{'endtime'}}) {
       $slot{'endtime'}=&UnixDate($entries{$fields{'endtime'}},"%s");
    }
    if ($entries{$fields{'startreserve'}}) {
       $slot{'startreserve'}=
    &UnixDate($entries{$fields{'startreserve'}},"%s");
    }
    foreach my $key ('ip','proctor','description','maxspace',
    'secret','symb') {
       if ($entries{$fields{$key}}) {
    $slot{$key}=$entries{$fields{$key}};
       }
    }
    if ($entries{$fields{'uniqueperiod'}}) {
       my ($start,$end)=split(',',$entries{$fields{'uniqueperiod'}});
       my @times=(&UnixDate($start,"%s"),
          &UnixDate($end,"%s"));
       $slot{'uniqueperiod'}=\@times;
    }
   
    &Apache::lonnet::cput('slots',{$name=>\%slot},$cdom,$cname);
    $r->print('.');
    $r->rflush();
    $countdone++;
       }
       $r->print("<br />Created $countdone slots\n");
       $r->print("<br />\n");
       &show_table($r,$mgr);
       return '';
   }
   
 sub handler {  sub handler {
     my $r=shift;      my $r=shift;
   
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});      &Apache::loncommon::content_type($r,'text/html');
     &start_page($r);      &Apache::loncommon::no_cache($r);
     my $symb=&Apache::lonnet::unescape($env{'form.symb'});      if ($r->header_only()) {
     my (undef,undef,$res)=&Apache::lonnet::decode_symb($symb);   $r->send_http_header();
     if ($res !~ /\.task$/) {  
  &fail($r,'not_valid');  
  return OK;  
     }  
     $env{'request.symb'}=$symb;  
     my ($status) = &Apache::lonhomework::check_task_access('0');  
     if ($status eq 'CAN_ANSWER' ||  
  $status eq 'NEEDS_CHECKIN' ||  
  $status eq 'WAITING_FOR_GRADE') {  
  &fail($r,'not_allowed');  
  return OK;   return OK;
     }      }
   
       &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
       
     my $vgr=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});      my $vgr=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
       my $mgr=&Apache::lonnet::allowed('mgr',$env{'request.course.id'});
       my $title='Requesting Another Worktime';
       if ($env{'form.command'} =~ /^(showslots|uploadstart|csvuploadmap|csvuploadassign)$/ && $vgr eq 'F') {
    $title = 'Managing Slots';
       }
       &start_page($r,$title);
   
     if ($env{'form.command'} eq 'showslots' && $vgr eq 'F') {      if ($env{'form.command'} eq 'showslots' && $vgr eq 'F') {
  &show_table($r,$symb);   &show_table($r,$mgr);
     } elsif ($env{'form.requestattempt'}) {      } elsif ($env{'form.command'} eq 'uploadstart' && $mgr eq 'F') {
  &show_choices($r,$symb);   &upload_start($r);
     } elsif ($env{'form.command'} eq 'release') {      } elsif ($env{'form.command'} eq 'csvuploadmap' && $mgr eq 'F') {
  &release_slot($r,$symb);   &csv_upload_map($r);
     } elsif ($env{'form.command'} eq 'get') {      } elsif ($env{'form.command'} eq 'csvuploadassign' && $mgr eq 'F') {
  &get_slot($r,$symb);   if ($env{'form.associate'} ne 'Reverse Association') {
     } elsif ($env{'form.command'} eq 'change') {      &csv_upload_assign($r,$mgr);
         &release_slot($r,$symb,$env{'form.releaseslot'},1);   } else {
  &get_slot($r,$symb);      if ( $env{'form.upfile_associate'} ne 'reverse' ) {
    $env{'form.upfile_associate'} = 'reverse';
       } else {
    $env{'form.upfile_associate'} = 'forward';
       }
       &csv_upload_map($r);
    }
     } else {      } else {
  $r->print("<p>Unknown command: ".$env{'form.command'}."</p>");   my $symb=&Apache::lonnet::unescape($env{'form.symb'});
    my (undef,undef,$res)=&Apache::lonnet::decode_symb($symb);
    if ($res !~ /\.task$/) {
       &fail($r,'not_valid');
       return OK;
    }
    $env{'request.symb'}=$symb;
    my ($status) = &Apache::lonhomework::check_task_access('0');
    if ($status eq 'CAN_ANSWER' ||
       $status eq 'NEEDS_CHECKIN' ||
       $status eq 'WAITING_FOR_GRADE') {
       &fail($r,'not_allowed');
       return OK;
    }
    if ($env{'form.requestattempt'}) {
       &show_choices($r,$symb);
    } elsif ($env{'form.command'} eq 'release') {
       &release_slot($r,$symb);
    } elsif ($env{'form.command'} eq 'get') {
       &get_slot($r,$symb);
    } elsif ($env{'form.command'} eq 'change') {
       &release_slot($r,$symb,$env{'form.releaseslot'},1);
       &get_slot($r,$symb);
    } else {
       $r->print("<p>Unknown command: ".$env{'form.command'}."</p>");
    }
     }      }
     $r->print('<p>1'.$symb.'</p>');  
     $r->print('<p>2'.&Apache::lonnet::symbread().'</p>');  
     $r->print(&check_for_reservation($symb));  
     $r->print( &Apache::lonhomework::check_task_access('0'));  
     &end_page($r);      &end_page($r);
     return OK;      return OK;
 }  }
Removed from v.1.8  
changed lines
  Added in v.1.30

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