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Diff for /loncom/interface/groupboards.pm between versions 1.9 and 1.22

version 1.9, 2006/08/19 01:18:25 version 1.22, 2016/02/26 21:44:39
Line 1 Line 1
 # The LearningOnline Network  # The LearningOnline Network
 # Group Bulletin Boards Manager  # Group Bulletin Boards Manager
 #  #
   # $Id$
   #
 # Copyright Michigan State University Board of Trustees  # Copyright Michigan State University Board of Trustees
 #  #
 # This file is part of the LearningOnline Network with CAPA (LON-CAPA).  # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
Line 28  package Apache::groupboards; Line 30  package Apache::groupboards;
   
 use strict;  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::lonuserstate;  use Apache::lonuserstate();
 use Apache::lonratedt;  use Apache::longroup;
   use Apache::lonnavmaps;
   use LONCAPA::map();
 use Apache::lonlocal;  use Apache::lonlocal;
 use LONCAPA;  use LONCAPA;
   
Line 59  sub handler { Line 63  sub handler {
     my $gpterm =  &Apache::loncommon::group_term();      my $gpterm =  &Apache::loncommon::group_term();
     my $ucgpterm = $gpterm;      my $ucgpterm = $gpterm;
     $ucgpterm =~ s/^(\w)/uc($1)/e;      $ucgpterm =~ s/^(\w)/uc($1)/e;
     my $bodytitle = $crstype.' Discussion Boards';      my $bodytitle = $ucgpterm.' Discussion Boards';
     my $group = $env{'form.group'};      my $group = $env{'form.group'};
     $group =~ s/\W//g;      $group =~ s/\W//g;
     my ($description,$earlyout,$refarg);      my ($description,$earlyout,$refarg);
Line 70  sub handler { Line 74  sub handler {
   
     &Apache::lonhtmlcommon::clear_breadcrumbs();      &Apache::lonhtmlcommon::clear_breadcrumbs();
     if (!defined($group)) {      if (!defined($group)) {
         $earlyout = &mt('No [_1] defined, so there are no [_1] discussion boards to display',$gpterm);          $earlyout = &mt("No $gpterm defined, so there are no $gpterm discussion boards to display");
         $r->print(&display_error($cdom,$cnum,$group,$description,$gpterm,          $r->print(&display_error($cdom,$cnum,$group,$description,$gpterm,
                                  $ucgpterm,$bodytitle,$earlyout,$refarg));                                   $ucgpterm,$bodytitle,$earlyout,$refarg));
         return OK;          return OK;
Line 94  sub handler { Line 98  sub handler {
                                           '/'.$group);                                            '/'.$group);
     }      }
     if (!$can_view) {      if (!$can_view) {
         $earlyout=&mt('You do not have privileges to view discussion boards in this [_1]',$gpterm);          $earlyout=&mt("You do not have privileges to view discussion boards in this $gpterm");
         $r->print(&display_error($cdom,$cnum,$group,$description,$gpterm,          $r->print(&display_error($cdom,$cnum,$group,$description,$gpterm,
                                  $ucgpterm,$bodytitle,$earlyout,$refarg));                                   $ucgpterm,$bodytitle,$earlyout,$refarg));
         return OK;          return OK;
Line 103  sub handler { Line 107  sub handler {
         if (($can_create) || (&Apache::lonnet::allowed('mdg',$env{'request.course.id'}))) {          if (($can_create) || (&Apache::lonnet::allowed('mdg',$env{'request.course.id'}))) {
             $r->print(&boards_header($cdom,$cnum,$group,$description,$gpterm,              $r->print(&boards_header($cdom,$cnum,$group,$description,$gpterm,
                                      $ucgpterm,$bodytitle,$refarg));                                       $ucgpterm,$bodytitle,$refarg));
             my ($outcome,$newurl,$bbtitle,$dellockoutcome) =               my ($outcome,$newurl,$bbtitle,$lockfreed) = 
  &create_board($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='.$group.'&amp;'.$refarg.                            '<a href="'.$newurl.'?group='.$group.'&amp;'.$refarg.
                           '">'.&mt('Edit [_1] board',$bbtitle).'</a></td>'.                            '">'.&mt('Edit [_1] board',$bbtitle).'</a></td>'.
Line 115  sub handler { Line 119  sub handler {
                           '<a href="/adm/groupboards?group='.$group.'&amp;'.                            '<a href="/adm/groupboards?group='.$group.'&amp;'.
                           $refarg.'">'.&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') {                  if ($lockfreed 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.'));                      $r->print(&mt('There was a problem removing a lockfile for the group ([_1]).',$description).'<br />'.
                                 &mt('This may prevent creation of additional discussion boards in this group.').'<br />'.
                                 &mt('Please contact the [_1]helpdesk[_2] for assistance.',
                                     '<a href="/adm/helpdesk">','</a>')
                                );
                 }                  }
             } 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.'">'.
Line 148  function makebulboard() { Line 156  function makebulboard() {
         $r->print('<br /><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'}.'" />'.                    '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'.
                   "\n".'</form><br />');                    "\n".'</form><br />');
     }      }
     if (@{$groupboards} > 0) {      if (@{$groupboards} > 0) {
         $r->print('<br />');          $r->print('<br />'
                    .&Apache::loncommon::start_data_table()
                    .&Apache::loncommon::start_data_table_header_row()
                    .'<th>'.&mt('Discussion Boards').'</th>'
                    .&Apache::loncommon::end_data_table_header_row()
           );
         foreach my $board (@{$groupboards}) {          foreach my $board (@{$groupboards}) {
             my $board_url = $$boards{$board}{'url'};              my $board_url = $$boards{$board}{'url'};
             if ($board_url =~ /\?/) {              if ($board_url =~ /\?/) {
Line 163  function makebulboard() { Line 176  function makebulboard() {
             } else {              } else {
                 $board_url .= '?group='.$group;                  $board_url .= '?group='.$group;
             }              }
             $r->print('<a href="'.$board_url.'&amp;'.$refarg.'">'.              $r->print(&Apache::loncommon::start_data_table_row()
                       $$boards{$board}{'title'}.'</a><br />');                       .'<td>'
                        .'<a href="'.$board_url.'&amp;'.$refarg.'">'
                        .$$boards{$board}{'title'}.'</a>'
                        .'</td>'
                        .&Apache::loncommon::end_data_table_row()
               );
         }          }
           $r->print(&Apache::loncommon::end_data_table());
     } else {      } else {
         $r->print('<br />'.&mt('There are currently no discussion boards in this [_1].',          $r->print('<p class="LC_info">'
                       $gpterm));                   .&mt('There are currently no discussion boards in this '.$gpterm.'.',)
                    .'</p>'
           );
     }      }
     $r->print(&Apache::loncommon::end_page());      $r->print(&Apache::loncommon::end_page());
     return OK;      return OK;
Line 176  function makebulboard() { Line 197  function makebulboard() {
   
 sub create_board {  sub create_board {
     my ($cdom,$cnum,$group,$bbtitle) = @_;      my ($cdom,$cnum,$group,$bbtitle) = @_;
     my ($outcome,$boardid,$newurl);      my ($outcome,$newurl,$idtype);
     $bbtitle=&unescape($bbtitle);      $bbtitle=&unescape($bbtitle);
     # get lock on nohist_groupboards file      $idtype = 'inc';
     my $lockhash = {      my ($boardid,$dellock,$error) = 
                   $group."\0".'locked_boardids' => $env{'user.name'}.          &Apache::lonnet::get_timebased_id($group,'boardids','groupboards',
                                                        ':'.$env{'user.domain'},                                            $cdom,$cnum);
                    };      if ($boardid) {
     my $tries = 0;           $newurl = '/adm/'.$cdom.'/'.$cnum.'/'.$boardid.'/bulletinboard';
     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 {      } else {
         $outcome = "error: could not obtain lockfile\n";           return ($error,$newurl,$bbtitle,$dellock);
         $dellockoutcome = 'ok';  
     }  
     if (!$newurl) {  
         return ($outcome,$newurl,$bbtitle,$dellockoutcome);  
     }      }
     $newurl=&unescape($newurl);  
     # need to check here if group_boards_$group.sequence is in the course      # need to check here if group_boards_$group.sequence is in the course
     # if not - add it as an item in group_folder_$group.sequence       # if not - add it as an item in group_folder_$group.sequence 
     my $allbbsmap = &Apache::longroup::get_bbfolder_url($cdom,$cnum,$group);      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,$fatal)=&LONCAPA::map::mapread($allbbsmap);
         if (!$fatal) {          if (!$fatal) {
             my $newidx=&Apache::lonratedt::getresidx($newurl);              my $newidx=&LONCAPA::map::getresidx($newurl);
             $Apache::lonratedt::resources[$newidx]=$bbtitle.':'.$newurl.              $LONCAPA::map::resources[$newidx]=$bbtitle.':'.$newurl.
                                                    ':false:normal:res';                                                     ':false:normal:res';
             push(@Apache::lonratedt::order,$newidx);              push(@LONCAPA::map::order,$newidx);
             my ($errtext,$fatal)=&Apache::lonratedt::storemap($allbbsmap,1);              my ($errtext,$fatal)=&LONCAPA::map::storemap($allbbsmap,1,1);
             if ($fatal) {              if ($fatal) {
                 $outcome = "error: failed to store discussion boards map - $errtext\n";                  $outcome = "error: failed to save discussion boards map - $errtext\n";
             } else {              } else {
                 my %boardinfo = (                  my %boardinfo = (
                   'group' => $group,                    'group' => $group,
Line 253  sub create_board { Line 236  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,$newurl,$bbtitle,$dellockoutcome);      return ($outcome,$newurl,$bbtitle,$dellock);
 }  }
   
 sub display_error {  sub display_error {
Line 276  sub boards_header { Line 259  sub boards_header {
           text=>"Groups",            text=>"Groups",
           title=>"View course groups"},);            title=>"View course groups"},);
     }      }
       my $view_permission =
             &Apache::lonnet::allowed('vcg',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
       my $navmap=Apache::lonnavmaps::navmap->new();
       my $grouppagelink = &Apache::longroup::get_group_link($cdom,$cnum,$group,$navmap,$view_permission,$refarg);
       if ($grouppagelink) {
           &Apache::lonhtmlcommon::add_breadcrumb
               ({href=>$grouppagelink,
                 text=>"$ucgpterm: $description",
                 title=>"Go to group's home page"});
       } else {
           &Apache::lonhtmlcommon::add_breadcrumb
               ({text=>"$ucgpterm: $description",});
       }
     &Apache::lonhtmlcommon::add_breadcrumb      &Apache::lonhtmlcommon::add_breadcrumb
         ({href=>"/adm/$cdom/$cnum/$group/smppg?$refarg",           ({href=>"/adm/groupboards?group=$group&amp;$refarg",
           text=>"$ucgpterm: $description",  
           title=>"Go to group's home page"},  
          {href=>"/adm/groupboards?group=$group&amp;$refarg",  
           text=>"Discussion Boards",            text=>"Discussion Boards",
           title=>"Display group discussion boards"},);            title=>"Display group discussion boards"},);
     $output .= &Apache::lonhtmlcommon::breadcrumbs(&mt('[_1] discussion boards - [_2]',$gpterm,$description));      $output .= &Apache::lonhtmlcommon::breadcrumbs(&mt('[_1] discussion boards - [_2]',$gpterm,$description));
Removed from v.1.9  
changed lines
  Added in v.1.22

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