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

Diff for /loncom/interface/groupboards.pm between versions 1.3 and 1.9

version 1.3, 2006/06/30 15:37:58 version 1.9, 2006/08/19 01:18:25
Line 30  use strict; Line 30  use strict;
 use Apache::Constants qw(:common :http);  use Apache::Constants qw(:common :http);
 use Apache::loncommon;  use Apache::loncommon;
 use Apache::lonnet;  use Apache::lonnet;
 use Apache::lonnavmaps;  
 use Apache::lonuserstate;  use Apache::lonuserstate;
 use Apache::lonratedt;  use Apache::lonratedt;
 use Apache::lonlocal;  use Apache::lonlocal;
Line 51  sub handler { Line 50  sub handler {
     }      }
   
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},      &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                         ['group']);                          ['group','ref']);
   
     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};      my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};      my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
     my $now = time;      my $now = time;
     my $crstype = &Apache::loncommon::course_type();      my $crstype = &Apache::loncommon::course_type();
     my $gpterm =  &Apache::loncommon::group_term();      my $gpterm =  &Apache::loncommon::group_term();
     my $bodytitle = &mt('[_1] Discussion Boards',$crstype);      my $ucgpterm = $gpterm;
       $ucgpterm =~ s/^(\w)/uc($1)/e;
       my $bodytitle = $crstype.' Discussion Boards';
     my $group = $env{'form.group'};      my $group = $env{'form.group'};
       $group =~ s/\W//g;
       my ($description,$earlyout,$refarg);
   
       if (exists($env{'form.ref'})) {
           $refarg = 'ref='.$env{'form.ref'};
       }
   
       &Apache::lonhtmlcommon::clear_breadcrumbs();
     if (!defined($group)) {      if (!defined($group)) {
         $r->print(&Apache::loncommon::start_page($bodytitle));          $earlyout = &mt('No [_1] defined, so there are no [_1] discussion boards to display',$gpterm);
         $r->print(&mt('No [_1] defined, so there are no [_1] discussion boards to display',$gpterm));          $r->print(&display_error($cdom,$cnum,$group,$description,$gpterm,
         $r->print(&Apache::loncommon::end_page());                                   $ucgpterm,$bodytitle,$earlyout,$refarg));
           return OK;
       }
       my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum,$group);
       if (!defined($curr_groups{$group})) {
           $earlyout = &mt('Invalid group');
           $r->print(&display_error($cdom,$cnum,$group,$description,$gpterm,
                                    $ucgpterm,$bodytitle,$earlyout,$refarg));
         return OK;          return OK;
     }      }
       my %content = &Apache::longroup::get_group_settings($curr_groups{$group});
       $description = &unescape($content{'description'});
   
     my $can_create=&Apache::lonnet::allowed('cgb',$env{'request.course.id'}.      my $can_create=&Apache::lonnet::allowed('cgb',$env{'request.course.id'}.
                                             '/'.$group);                                              '/'.$group);
     my $can_view=&Apache::lonnet::allowed('pgd',$env{'request.course.id'}.      my $can_view = &Apache::lonnet::allowed('vcg',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
   
       if (!$can_view) {
           $can_view = &Apache::lonnet::allowed('vgb',$env{'request.course.id'}.
                                           '/'.$group);                                            '/'.$group);
       }
       if (!$can_view) {
           $earlyout=&mt('You do not have privileges to view discussion boards in this [_1]',$gpterm);
           $r->print(&display_error($cdom,$cnum,$group,$description,$gpterm,
                                    $ucgpterm,$bodytitle,$earlyout,$refarg));
           return OK;
       }
     if (defined($env{'form.newbul'})) {      if (defined($env{'form.newbul'})) {
         if (($can_create) || (&Apache::lonnet::allowed('mdg',$env{'request.course.id'}))) {          if (($can_create) || (&Apache::lonnet::allowed('mdg',$env{'request.course.id'}))) {
             $r->print(&Apache::loncommon::start_page($bodytitle));              $r->print(&boards_header($cdom,$cnum,$group,$description,$gpterm,
             my ($outcome,$symb,$newurl,$bbtitle) =                                        $ucgpterm,$bodytitle,$refarg));
               my ($outcome,$newurl,$bbtitle,$dellockoutcome) = 
  &create_board($cdom,$cnum,$group,$env{'form.newbul'});   &create_board($cdom,$cnum,$group,$env{'form.newbul'});
             if ($outcome eq 'ok') {              if ($outcome eq 'ok') {
                 my ($furl,$ferr)= &Apache::lonuserstate::readmap($cdom.'/'.$cnum);                  my ($furl,$ferr)= &Apache::lonuserstate::readmap($cdom.'/'.$cnum);
                 $r->print(&mt('The new discussion board was added successfully.<br />'));                  $r->print(&mt('The new discussion board was added successfully.<br />'));
                 $r->print('<table border="0"><tr><td>'.                  $r->print('<table border="0"><tr><td>'.
                           '<a href="'.$newurl.'?group='.$group.'">'.                            '<a href="'.$newurl.'?group='.$group.'&amp;'.$refarg.
                           &mt('Edit [_1] board',$bbtitle).'</a></td>'.                            '">'.&mt('Edit [_1] board',$bbtitle).'</a></td>'.
                            '<td>&nbsp;&nbsp;</td><td>'.                             '<td>&nbsp;&nbsp;</td><td>'.
                           '<a href="/adm/groupboards?group='.$group.'">'.                            '<a href="/adm/groupboards?group='.$group.'&amp;'.
                           &mt('View all group discussion boards').                            $refarg.'">'.&mt('View all group discussion boards').
                           '</a></td></tr></table>');                            '</a></td></tr></table>');
                   if ($dellockoutcome ne 'ok') {
                       $r->print(&mt('There was a problem removing a lockfile for the group ([_1]). This may prevent creation of additional bulletin boards in this group.  Please contact the system administrator for your LON-CAPA domain.'));
                   }
             } else {              } else {
                 $r->print(&mt('There was a problem creating the new discussion board - [_1]','<span class="LC_error">'.$outcome.'</span>').'<br /><a href="/adm/groupboards?group='.$group.'">'.                  $r->print(&mt('There was a problem creating the new discussion board - [_1]','<span class="LC_error">'.$outcome.'</span>').'<br /><a href="/adm/groupboards?group='.$group.'">'.
                          &mt('Return to discussion boards').'</a>');                           &mt('Return to discussion boards').'</a>');
Line 96  sub handler { Line 129  sub handler {
     my $jscript;      my $jscript;
     if (($can_create) || (&Apache::lonnet::allowed('mdg',$env{'request.course.id'}))) {      if (($can_create) || (&Apache::lonnet::allowed('mdg',$env{'request.course.id'}))) {
         $jscript = qq|          $jscript = qq|
   <script type="text/javascript">
 function makebulboard() {  function makebulboard() {
    var title=prompt('Discussion Board Title');     var title=prompt('Discussion Board Title');
    if (title) {     if (title) {
     this.document.forms.newbb.newbul.value=      this.document.forms.newbb.newbul.value=title;
         title+'=/adm/$cdom/$cnum/$now/bulletinboard';  
     this.document.forms.newbb.submit();      this.document.forms.newbb.submit();
    }     }
 }  }
   </script>
 |;  |;
     }      }
     $r->print(&Apache::loncommon::start_page($bodytitle,      $r->print(&boards_header($cdom,$cnum,$group,$description,$gpterm,$ucgpterm,
                                        '<script type="text/javascript">'.                               $bodytitle,$refarg,$jscript));
                                        $jscript.'</script>'));      my ($groupboards,$boards) = &Apache::longroup::get_group_bbinfo($cdom,$cnum,
     if (!$can_view) {                                                                      $group);
         $r->print(&mt('You do not have privileges to view discussion boards in this [_1]',$crstype));  
         return OK;  
     }  
     my $navmap = Apache::lonnavmaps::navmap->new();  
     my @groupboards;  
     my %boards;  
     my $grpbbmap = &get_bbfolder_url($cdom,$cnum,$group);  
     if ($grpbbmap) {  
         my $bbfolderres = $navmap->getResourceByUrl($grpbbmap);  
         if ($bbfolderres) {  
             my @boards = $navmap->retrieveResources($bbfolderres,undef,0,0);  
             foreach my $res (@boards) {  
                 my $url = $res->src();  
                 if ($url =~ m|^/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard|) {  
                     push(@groupboards,$res->symb());  
                     $boards{$res->symb()} = {  
                                         title => $res->title(),  
                                         url   => $res->src(),  
     };  
                 }  
             }  
         }  
     }  
     if (($can_create) || (&Apache::lonnet::allowed('mdg',$env{'request.course.id'}))) {      if (($can_create) || (&Apache::lonnet::allowed('mdg',$env{'request.course.id'}))) {
         $r->print('<form method="post" name="newbb" action="/adm/groupboards">'.          $r->print('<br /><form method="post" name="newbb" action="/adm/groupboards">'.
                   "\n".'<input type="button" name="bbbutton" value="'.                    "\n".'<input type="button" name="bbbutton" value="'.
                   &mt('New Discussion Board').                    &mt('New Discussion Board').
                   '" onClick="javascript:makebulboard();" />'."\n".                    '" onClick="javascript:makebulboard();" />'."\n".
                   '  <input type="hidden" name="newbul" />'."\n".                    '<input type="hidden" name="newbul" />'."\n".
                   '  <input type="hidden" name="group" value="'.$group.'" />'.                    '<input type="hidden" name="group" value="'.$group.'" />'.
                     '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'.
                   "\n".'</form><br />');                    "\n".'</form><br />');
     }      }
     if (@groupboards) {      if (@{$groupboards} > 0) {
         foreach my $board (@groupboards) {          $r->print('<br />');
             $r->print('<a href="'.$boards{$board}{'url'}.'?group='.$group.'">'.$boards{$board}{'title'}.'</a><br />');          foreach my $board (@{$groupboards}) {
               my $board_url = $$boards{$board}{'url'};
               if ($board_url =~ /\?/) {
                   $board_url .= '&amp;group='.$group;
               } else {
                   $board_url .= '?group='.$group;
               }
               $r->print('<a href="'.$board_url.'&amp;'.$refarg.'">'.
                         $$boards{$board}{'title'}.'</a><br />');
         }          }
     } else {      } else {
         $r->print(&mt('There are currently no discussion boards in this [_1].',          $r->print('<br />'.&mt('There are currently no discussion boards in this [_1].',
                       $gpterm));                        $gpterm));
     }      }
     $r->print(&Apache::loncommon::end_page());      $r->print(&Apache::loncommon::end_page());
Line 155  function makebulboard() { Line 175  function makebulboard() {
 }  }
   
 sub create_board {  sub create_board {
     my ($cdom,$cnum,$group,$newboard,$symb) = @_;      my ($cdom,$cnum,$group,$bbtitle) = @_;
     my ($bbtitle,$newurl)=split(/\=/,$newboard);      my ($outcome,$boardid,$newurl);
     $bbtitle=&unescape($bbtitle);      $bbtitle=&unescape($bbtitle);
       # get lock on nohist_groupboards file
       my $lockhash = {
                     $group."\0".'locked_boardids' => $env{'user.name'}.
                                                          ':'.$env{'user.domain'},
                      };
       my $tries = 0;
       my $gotlock = &Apache::lonnet::newput('nohist_groupboards',$lockhash,$cdom,$cnum);
       my $dellockoutcome;
       while (($gotlock ne 'ok') && $tries <3) {
           $tries ++;
           sleep 1;
           $gotlock = &Apache::lonnet::newput('nohist_groupboards',$lockhash,$cdom,$cnum);
       }
       if ($gotlock eq 'ok') {
          my %curr_boards = &Apache::lonnet::dump('nohist_groupboards',$cdom,$cnum,$group);
          $boardid = time;
          my $idtries = 0;
          while(exists($curr_boards{$group."\0".$boardid}) && $idtries < 20) {
              $boardid ++;
              $idtries ++;
          }
          if (!exists($curr_boards{$group."\0".$boardid})) {
              my %new_board = (
                             $group."\0".$boardid => $env{'user.name'}.':'.
                                                     $env{'user.domain'},
              );
              my $putresult = &Apache::lonnet::put('nohist_groupboards',\%new_board,
                                                   $cdom,$cnum);
              if ($putresult ne 'ok') {
                  $outcome = 'error storing new board: '.$putresult;
              } else {
                  $newurl = '/adm/'.$cdom.'/'.$cnum.'/'.$boardid.
                            '/bulletinboard';
              }
          } else {
               $outcome = ('error: no unique ID for the new board available.');
          }
          #  remove lock
          my @del_lock = ($group."\0".'locked_boardids');
          $dellockoutcome = &Apache::lonnet::del('nohist_groupboards',\@del_lock,$cdom,$cnum);
       } else {
           $outcome = "error: could not obtain lockfile\n";
           $dellockoutcome = 'ok';
       }
       if (!$newurl) {
           return ($outcome,$newurl,$bbtitle,$dellockoutcome);
       }
     $newurl=&unescape($newurl);      $newurl=&unescape($newurl);
     my $allbbsmap = &get_bbfolder_url($cdom,$cnum,$group);      # need to check here if group_boards_$group.sequence is in the course
     my ($outcome,$symb);      # if not - add it as an item in group_folder_$group.sequence 
       my $allbbsmap = &Apache::longroup::get_bbfolder_url($cdom,$cnum,$group);
     if ($allbbsmap =~ m|^/uploaded|) {      if ($allbbsmap =~ m|^/uploaded|) {
         my ($errtext,$fatal)=&Apache::lonratedt::mapread($allbbsmap);          my ($errtext,$fatal)=&Apache::lonratedt::mapread($allbbsmap);
         if (!$fatal) {          if (!$fatal) {
Line 172  sub create_board { Line 240  sub create_board {
             if ($fatal) {              if ($fatal) {
                 $outcome = "error: failed to store discussion boards map - $errtext\n";                  $outcome = "error: failed to store discussion boards map - $errtext\n";
             } else {              } else {
                 $outcome = 'ok';                  my %boardinfo = (
                 $symb = &Apache::lonnet::encode_symb($allbbsmap,$newidx,$newurl);                    'group' => $group,
                   );
                   $outcome = &Apache::lonnet::put('bulletinpage_'.$boardid,
                                                   \%boardinfo,$cdom,$cnum);
             }              }
         } else {          } else {
             $outcome = "error: failed to read all discussion boards map - $errtext\n";              $outcome = "error: failed to read all discussion boards map - $errtext\n";
Line 182  sub create_board { Line 253  sub create_board {
         $outcome = 'error: discussion boards folder absent, '.          $outcome = 'error: discussion boards folder absent, '.
                    'or in unexpected location - '.$allbbsmap."\n";                     'or in unexpected location - '.$allbbsmap."\n";
     }      }
     return ($outcome,$symb,$newurl,$bbtitle);      return ($outcome,$newurl,$bbtitle,$dellockoutcome);
 }  }
   
 sub get_bbfolder_url {  sub display_error {
     my ($cdom,$cnum,$group) = @_;      my ($cdom,$cnum,$group,$description,$gpterm,$ucgpterm,$bodytitle,$earlyout,
     my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum,$group);          $refarg)=@_;
     my $grpbbmap;      my $output = &boards_header($cdom,$cnum,$group,$description,$gpterm,
     if (%curr_groups) {                                  $ucgpterm,$bodytitle,$refarg);
         my %group_info =  &Apache::longroup::get_group_settings(      $output .= $earlyout;
                                                     $curr_groups{$group});      $output .= &Apache::loncommon::end_page();
         my $creation = $group_info{'creation'};      return $output;
         my $bbfolder = $creation + 1;  }
         my $crspath = '/uploaded/'.$cdom.'/'.$cnum.'/';  
         $grpbbmap = $crspath.'default_'.$bbfolder.'.sequence';  sub boards_header {
       my ($cdom,$cnum,$group,$description,$gpterm,$ucgpterm,$bodytitle,$refarg,
           $jscript)=@_;
       my $output = &Apache::loncommon::start_page($bodytitle,$jscript);
       if ($refarg) {
           &Apache::lonhtmlcommon::add_breadcrumb
           ({href=>"/adm/coursegroups",
             text=>"Groups",
             title=>"View course groups"},);
     }      }
     return $grpbbmap;      &Apache::lonhtmlcommon::add_breadcrumb
           ({href=>"/adm/$cdom/$cnum/$group/smppg?$refarg",
             text=>"$ucgpterm: $description",
             title=>"Go to group's home page"},
            {href=>"/adm/groupboards?group=$group&amp;$refarg",
             text=>"Discussion Boards",
             title=>"Display group discussion boards"},);
       $output .= &Apache::lonhtmlcommon::breadcrumbs(&mt('[_1] discussion boards - [_2]',$gpterm,$description));
       return $output;
 }  }
   
 1;  1;
Removed from v.1.3  
changed lines
  Added in v.1.9

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