File:  [LON-CAPA] / loncom / interface / lonbulletin.pm
Revision 1.22: download - view: text, annotated - select for diffs
Wed May 5 23:04:57 2004 UTC (20 years, 2 months ago) by raeburn
Branches: MAIN
CVS tags: HEAD
Reverting lonbulletin to v 1.120. Time of the previous visit passed in a query string retrieved in lonfeedback instead, so labelling of posts as "NEW" until user leaves board/resource works for both boards and resources.

    1: # The LearningOnline Network
    2: # Bulletin Board Handler
    3: #
    4: # $Id: lonbulletin.pm,v 1.22 2004/05/05 23:04:57 raeburn Exp $
    5: #
    6: # Copyright Michigan State University Board of Trustees
    7: #
    8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    9: #
   10: # LON-CAPA is free software; you can redistribute it and/or modify
   11: # it under the terms of the GNU General Public License as published by
   12: # the Free Software Foundation; either version 2 of the License, or
   13: # (at your option) any later version.
   14: #
   15: # LON-CAPA is distributed in the hope that it will be useful,
   16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18: # GNU General Public License for more details.
   19: #
   20: # You should have received a copy of the GNU General Public License
   21: # along with LON-CAPA; if not, write to the Free Software
   22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   23: #
   24: # /home/httpd/html/adm/gpl.txt
   25: #
   26: # http://www.lon-capa.org/
   27: #
   28: 
   29: package Apache::lonbulletin;
   30: 
   31: use strict;
   32: use Apache::Constants qw(:common);
   33: use Apache::loncommon;
   34: use Apache::lonnet;
   35: use Apache::lontexconvert;
   36: use Apache::lonfeedback;
   37: use Apache::lonlocal;
   38: 
   39: sub handler {
   40:     my $r = shift;
   41:     &Apache::loncommon::content_type($r,'text/html');
   42:     $r->send_http_header;
   43:     return OK if $r->header_only;
   44: 
   45: #    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous']);
   46: # ------------------------------------------------------------ Print the screen
   47:     $r->print(<<ENDDOCUMENT);
   48: <html>
   49: <head>
   50: <title>The LearningOnline Network with CAPA</title>
   51: ENDDOCUMENT
   52:     my (undef,undef,undef,undef,$marker)=split(/\//,$r->uri);
   53: # Is this even in a course?
   54:     unless ($ENV{'request.course.id'}) {
   55: 	$r->print('</head><body>Not in a course</body></html>');
   56:         return OK;
   57:     }
   58: 
   59:     $marker=~s/\D//g;
   60: 
   61:     unless ($marker) {
   62: 	$r->print('<body>Invalid call</body>');
   63:         return OK;
   64:     }
   65: 
   66:     my $dom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
   67:     my $crs = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
   68: 
   69: # --------------------------------------------------------- The syllabus fields
   70:     my %syllabusfields=&Apache::lonlocal::texthash(
   71:        'aaa_title'         => 'Topic',
   72:        'bbb_content'       => 'Task',
   73:        'ccc_webreferences' => 'Web References');
   74: 
   75: # ------------------------------------------------------------ Get Query String
   76:     &Apache::loncommon::get_unprocessed_cgi
   77:                 ($ENV{'QUERY_STRING'},['forcestudent','forceedit','register']);
   78: # ----------------------------------------------------- Force menu registration
   79:     my $addentries='';
   80:     if ($ENV{'form.register'}) {
   81:        $addentries=' onLoad="'.&Apache::lonmenu::loadevents().
   82: 	   '" onUnload="'.&Apache::lonmenu::unloadevents().'"';
   83:        $r->print(&Apache::lonmenu::registerurl(1));
   84:     }
   85: # --------------------------------------------------------------- Force Student
   86:     my $forcestudent='';
   87:     if ($ENV{'form.forcestudent'}) { $forcestudent='student'; }
   88: 
   89:     my $forceedit='';
   90:     if ($ENV{'form.forceedit'}) { $forceedit='edit'; }
   91: 
   92:     my %syllabus=&Apache::lonnet::dump('bulletinpage_'.$marker,$dom,$crs);
   93:        
   94: # --------------------------------------- There is such a user, get environment
   95: 
   96:     $r->print('</head>'.&Apache::loncommon::bodytag
   97:             ("Bulletin Board/Discussion",$forcestudent,$addentries,'',$dom,
   98:              $ENV{'form.register'}));
   99: 
  100:     my $allowed=&Apache::lonnet::allowed('mdc',$ENV{'request.course.id'});
  101: 
  102:     my $privileged=$allowed;
  103:     if (($syllabus{'uploaded.lastmodified'}) && (!$forceedit)) {
  104:  	$forcestudent='student';
  105:     }
  106: 
  107:        if ($forcestudent) { $allowed=0; }
  108:  
  109:        if ($allowed) {
  110:           $r->print(
  111: 	  '<p>'.
  112: &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes','Help with filling in text boxes').'<br /><a href="'.$r->uri.'?forcestudent=1"><font size="+1">'.&mt('Show Student View').'</font></a>'.
  113:  &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>');
  114:       }  elsif ($privileged) {
  115: 	  $r->print('<a href="'.$r->uri.'?forceedit=edit"><font size="+1">'
  116: 		    .&mt('Edit').'</font></a>');
  117:       } 
  118: 
  119:       if (($ENV{'form.uploaddoc.filename'}) &&
  120:           ($ENV{'form.storeupl'}) && ($allowed)) {
  121:  	  if ($ENV{'form.uploaddoc.filename'}=~/\.(gif|jpg|png|jpeg)$/i) {
  122: 	      if ($syllabus{'uploaded.photourl'}) {
  123: 		  &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
  124: 	      }
  125: 	      $syllabus{'uploaded.photourl'}=
  126: 		  &Apache::lonnet::userfileupload('uploaddoc',1,'bulletin');
  127:  	  }
  128:           $syllabus{'uploaded.lastmodified'}=time;
  129:           &Apache::lonnet::put('bulletinpage_'.$marker,\%syllabus,$dom,$crs);
  130:        }
  131:        if (($allowed) && ($ENV{'form.storesyl'})) {
  132: 	   foreach (keys %syllabusfields) {
  133:                my $field=$ENV{'form.'.$_};
  134:                $field=~s/\s+$//s;
  135:                $field=&Apache::lonfeedback::clear_out_html($field,1);
  136: 	       $syllabus{$_}=$field;
  137:            }
  138:            $syllabus{'uploaded.lastmodified'}=time;
  139:            &Apache::lonnet::put('bulletinpage_'.$marker,\%syllabus,$dom,$crs);
  140:        }
  141: 
  142: # ---------------------------------------------------------------- Get syllabus
  143:     if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
  144:        if ($syllabus{'uploaded.photourl'}) {
  145: 	   &Apache::lonnet::allowuploaded('/adm/syllabus',
  146: 					  $syllabus{'uploaded.photourl'});
  147: 	   $r->print('<img src="'.$syllabus{'uploaded.photourl'}.
  148: 	       '" align="right" />');
  149:        }
  150:        if ($allowed) {
  151:            $r->print(
  152: 	 '<form method="post" enctype="multipart/form-data">'.
  153:  	 '<input type="hidden" name="forceedit" value="edit" />'.
  154:          '<h3>'.&mt('Upload a Photo').'</h3>'.
  155:          '<input type="file" name="uploaddoc" size="50">'.
  156:          '<input type="submit" name="storeupl" value="'.&mt('Upload').'">'.
  157: 	 '</form><form method="post">');
  158:        }
  159:        foreach (sort keys %syllabusfields) {
  160:           if (($syllabus{$_}) || ($allowed)) {
  161:               my $message=$syllabus{$_};
  162:               $message=~s/\n/\<br \/\>/g;
  163:               $message
  164:         =~s/(https*\:\/\/[^\s]+)/\<a href=\"$1\"\>\<tt\>$1\<\/tt\>\<\/a\>/g;
  165: 	      $message=&Apache::lontexconvert::msgtexconverted($message);
  166:             unless ($_ eq 'aaa_title') {
  167: 		if (($_ ne 'bbb_content') || ($allowed)) {
  168:                     $r->print('<h3>'.$syllabusfields{$_}.'</h3>');
  169: 		}
  170:                  $r->print('<blockquote>'.
  171:                         $message.'</blockquote>');
  172:                  if ($allowed) {
  173:                 $r->print('<br /><textarea cols="80" rows="10" name="'.$_.'">'.
  174: 			   $syllabus{$_}.
  175:            '</textarea><input type="submit" name="storesyl" value="'.&mt('Store').'" />');
  176: 	        }
  177: 	    } else {
  178: 		$r->print('<h1>'.$message.'</h1>');
  179:                 if ($allowed) {
  180:                  $r->print(
  181:                 '<br />'.&mt('Topic').'<br /><textarea cols="80" rows="2" name="'.$_.'">'.
  182: 			   $syllabus{$_}.
  183:            '</textarea><input type="submit" name="storesyl" value="'.&mt('Store').'" />');
  184:                 }
  185:             }
  186: 	  }
  187:        }
  188:        if ($allowed) {
  189: 	   $r->print('</form>');
  190:        }
  191:        $r->print('</p>');
  192:     } else {
  193:        $r->print('<p>'.&mt('No page information provided.').'</p>');
  194:     }
  195:     $r->print(&Apache::lonfeedback::list_discussion
  196: 	      ('board','OPEN','bulletin___'.$marker.'___'.
  197: 	       $r->uri).'</body></html>');
  198:     return OK;
  199: } 
  200: 
  201: 1;
  202: __END__

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