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

Diff for /loncom/interface/lonfeedback.pm between versions 1.122 and 1.142

version 1.122, 2004/08/31 22:27:10 version 1.142, 2004/11/19 19:43:05
Line 36  use Apache::loncommon(); Line 36  use Apache::loncommon();
 use Apache::lontexconvert();  use Apache::lontexconvert();
 use Apache::lonlocal; # must not have ()  use Apache::lonlocal; # must not have ()
 use Apache::lonhtmlcommon();  use Apache::lonhtmlcommon();
   use Apache::lonnavmaps;
   use Apache::lonenc();
 use HTML::LCParser();  use HTML::LCParser();
 use Apache::lonspeller();  use Apache::lonspeller();
 use Cwd;  use Cwd;
Line 66  sub discussion_visible { Line 68  sub discussion_visible {
 }  }
   
 sub list_discussion {  sub list_discussion {
     my ($mode,$status,$symb)=@_;      my ($mode,$status,$ressymb)=@_;
     my $outputtarget=$ENV{'form.grade_target'};      my $outputtarget=$ENV{'form.grade_target'};
     if (defined($ENV{'form.export'})) {      if (defined($ENV{'form.export'})) {
  if($ENV{'form.export'}) {   if($ENV{'form.export'}) {
             $outputtarget = 'export';              $outputtarget = 'export';
         }          }
     }          }
     if (not &discussion_visible($status)) { return ''; }      if (not &discussion_visible($status)) { return ''; }
     my @bgcols = ("#cccccc","#eeeeee");      my @bgcols = ("#cccccc","#eeeeee");
     my $discussiononly=0;      my $discussiononly=0;
Line 84  sub list_discussion { Line 86  sub list_discussion {
  $crs.='_'.$ENV{'request.course.sec'};   $crs.='_'.$ENV{'request.course.sec'};
     }                       }                 
     $crs=~s/\_/\//g;      $crs=~s/\_/\//g;
     unless ($symb) {      unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }
  $symb=&Apache::lonnet::symbread();      unless ($ressymb) { return ''; }
     }      $ressymb=&wrap_symb($ressymb);
     unless ($symb) { return ''; }      my $encsymb=&Apache::lonenc::check_encrypt($ressymb);
       my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
     && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form)$/));
       
     my %usernamesort = ();      my %usernamesort = ();
     my %namesort =();      my %namesort =();
     my %subjectsort = ();      my %subjectsort = ();
 # backward compatibility (bulletin boards used to be 'wrapped')  
     my $ressymb=$symb;  
     if ($mode eq 'board') {  
         unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {  
             $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;  
         }  
     }  
   
 # Get discussion display settings for this discussion  # Get discussion display settings for this discussion
     my $lastkey = $ressymb.'_lastread';      my $lastkey = $ressymb.'_lastread';
Line 108  sub list_discussion { Line 106  sub list_discussion {
     my $userpickkey = $ressymb.'_userpick';      my $userpickkey = $ressymb.'_userpick';
     my $toggkey = $ressymb.'_readtoggle';      my $toggkey = $ressymb.'_readtoggle';
     my $readkey = $ressymb.'_read';      my $readkey = $ressymb.'_read';
       $ressymb=$encsymb;
     my %dischash = &Apache::lonnet::get('nohist_'.$ENV{'request.course.id'}.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$ENV{'user.domain'},$ENV{'user.name'});      my %dischash = &Apache::lonnet::get('nohist_'.$ENV{'request.course.id'}.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$ENV{'user.domain'},$ENV{'user.name'});
     my %discinfo = ();      my %discinfo = ();
     my $showonlyunread = 0;      my $showonlyunread = 0;
Line 123  sub list_discussion { Line 121  sub list_discussion {
 # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.  # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','totposters']);      &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','totposters']);
     my $sortposts = $ENV{'form.sortposts'};      my $sortposts = $ENV{'form.sortposts'};
     my $rolefilter = $ENV{'form.rolefilter'};  
     my $statusfilter = $ENV{'form.statusfilter'};      my $statusfilter = $ENV{'form.statusfilter'};
     my $sectionpick = $ENV{'form.sectionpick'};      my $sectionpick = $ENV{'form.sectionpick'};
     my $totposters = $ENV{'form.totposters'};      my $totposters = $ENV{'form.totposters'};
Line 139  sub list_discussion { Line 136  sub list_discussion {
 # Get information about students and non-students in course for filtering display of posts  # Get information about students and non-students in course for filtering display of posts
     my %roleshash = ();      my %roleshash = ();
     my %roleinfo = ();      my %roleinfo = ();
     if ($rolefilter) {      if ($ENV{'form.rolefilter'}) {
         %roleshash = &Apache::lonnet::dump('nohist_userroles',$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},$ENV{'course.'.$ENV{'request.course.id'}.'.num'});          %roleshash = &Apache::lonnet::dump('nohist_userroles',$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},$ENV{'course.'.$ENV{'request.course.id'}.'.num'});
         foreach (keys %roleshash) {          foreach (keys %roleshash) {
             my ($role,$uname,$udom,$sec) = split/:/,$_;              my ($role,$uname,$udom,$sec) = split/:/,$_;
Line 165  sub list_discussion { Line 162  sub list_discussion {
     }      }
   
 # Get discussion display default settings for user  # Get discussion display default settings for user
     my %userenv = &Apache::lonnet::get('environment',['discdisplay','discmarkread'],$ENV{'user.domain'},$ENV{'user.name'});      if ($ENV{'environment.discdisplay'} eq 'unread') {
     my $discdisplay=$userenv{'discdisplay'};  
     if ($discdisplay eq 'unread') {  
         $showonlyunread = 1;          $showonlyunread = 1;
     }      }
     my $discmarkread=$userenv{'discmarkread'};      if ($ENV{'environment.discmarkread'} eq 'ondisp') {
     if ($discmarkread eq 'ondisp') {  
         $markondisp = 1;          $markondisp = 1;
     }      }
   
 # Override user's default if user specified display setting for this discussion  # Override user's default if user specified display setting for this discussion
     if (defined($dischash{$ondispkey})) {      if (defined($dischash{$ondispkey})) {
         $markondisp = $dischash{$ondispkey};          unless ($dischash{$ondispkey} eq '') {
               $markondisp = $dischash{$ondispkey};
           }
     }      }
     if ($markondisp) {      if ($markondisp) {
         $discinfo{$lastkey} = time;          $discinfo{$lastkey} = time;
     }      }
   
     if (defined($dischash{$showkey})) {      if (defined($dischash{$showkey})) {
         $showonlyunread = $dischash{$showkey};          unless ($dischash{$showkey} eq '') {
               $showonlyunread = $dischash{$showkey};
           }
     }      }
   
     if (defined($dischash{$markkey})) {      if (defined($dischash{$markkey})) {
         $showunmark = $dischash{$markkey};          unless ($dischash{$markkey} eq '') {
               $showunmark = $dischash{$markkey};
           }
     }      }
   
     if (defined($dischash{$visitkey})) {      if (defined($dischash{$visitkey})) {
         $visit = $dischash{$visitkey};          unless ($dischash{$visitkey} eq '') {
               $visit = $dischash{$visitkey};
           }
     }      }
     $visit ++;      $visit ++;
   
     my $seeid=&Apache::lonnet::allowed('rin',$crs);      my $seeid=&Apache::lonnet::allowed('rin',$crs);
     my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)  
  && ($symb=~/\.(problem|exam|quiz|assess|survey|form)$/));  
     my @discussionitems=();      my @discussionitems=();
     my %shown = ();      my %shown = ();
     my @posteridentity=();      my @posteridentity=();
Line 224  sub list_discussion { Line 224  sub list_discussion {
     $discinfo{$visitkey} = $visit;      $discinfo{$visitkey} = $visit;
   
     &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});      &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
     &build_posting_display(\%usernamesort,\%subjectsort,\%namesort,\%notshown,\%newitem,\%dischash,\%shown,\%alldiscussion,\%imsitems,\%imsfiles,\%roleinfo,\@discussionitems,\@replies,\@depth,\@posters,\$maxdepth,\$visible,\$newpostsflag,\$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$statusfilter,$toggkey,$outputtarget);      &build_posting_display(\%usernamesort,\%subjectsort,\%namesort,\%notshown,\%newitem,\%dischash,\%shown,\%alldiscussion,\%imsitems,\%imsfiles,\%roleinfo,\@discussionitems,\@replies,\@depth,\@posters,\$maxdepth,\$visible,\$newpostsflag,\$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$encsymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$ENV{'form.rolefilter'},$sectionpick,$statusfilter,$toggkey,$outputtarget);
   
     my $discussion='';      my $discussion='';
     my $manifestfile;      my $manifestfile;
Line 324  sub list_discussion { Line 324  sub list_discussion {
 # open manifest file  # open manifest file
             my $manifest = '/imsmanifest.xml';              my $manifest = '/imsmanifest.xml';
             my $manifestfilename = $tempexport.$manifest;              my $manifestfilename = $tempexport.$manifest;
             print STDERR "manifestfilename is $manifestfilename\n";  
             if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {              if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {
                 $manifestok=1;                  $manifestok=1;
                 print $manifestfile qq|                  print $manifestfile qq|
Line 355  imscp_v1p1.xsd http://www.imsglobal.org/ Line 354  imscp_v1p1.xsd http://www.imsglobal.org/
    }     }
 </script>  </script>
             |;              |;
     $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$symb.'"><table bgcolor="#AAAAAA" cellpadding="2" cellspacing="2" border="0">';      $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" ><table bgcolor="#AAAAAA" cellpadding="2" cellspacing="2" border="0">';
     $discussion .='<tr><td bgcolor="#DDDDBB" colspan="'.$colspan.'">'.      $discussion .='<tr><td bgcolor="#DDDDBB" colspan="'.$colspan.'">'.
  '<table border="0" width="100%" bgcolor="#DDDDBB"><tr>';   '<table border="0" width="100%" bgcolor="#DDDDBB"><tr>';
     if ($visible>2) {      if ($visible>2) {
  $discussion.='<td align="left">'.   $discussion.='<td align="left">'.
     '<a href="/adm/feedback?threadedon='.$ressymb;      '<a href="/adm/feedback?cmd=threadedon&amp;symb='.$ressymb;
  if ($newpostsflag) {   if ($newpostsflag) {
     $discussion .= '&previous='.$prevread;      $discussion .= '&previous='.$prevread;
  }   }
  $discussion .='">'.&mt('Threaded View').'</a>&nbsp;&nbsp;'.   $discussion .='">'.&mt('Threaded View').'</a>&nbsp;&nbsp;'.
     '<a href="/adm/feedback?threadedoff='.$ressymb;      '<a href="/adm/feedback?cmd=threadedoff&amp;symb='.$ressymb;
  if ($newpostsflag) {   if ($newpostsflag) {
     $discussion .= '&previous='.$prevread;      $discussion .= '&previous='.$prevread;
  }   }
  $discussion .='">'.&mt('Chronological View').'</a>&nbsp;&nbsp;   $discussion .='">'.&mt('Chronological View').'</a>&nbsp;&nbsp;
                               <a href= "/adm/feedback?sortfilter='.$ressymb;                                <a href= "/adm/feedback?cmd=sortfilter&amp;symb='.$ressymb;
                 if ($newpostsflag) {                  if ($newpostsflag) {
                     $discussion .= '&previous='.$prevread;                      $discussion .= '&previous='.$prevread;
                 }                  }
Line 385  imscp_v1p1.xsd http://www.imsglobal.org/ Line 384  imscp_v1p1.xsd http://www.imsglobal.org/
             $discussion .= '">'.&mt('Export').'?</a>&nbsp;&nbsp;</td>';              $discussion .= '">'.&mt('Export').'?</a>&nbsp;&nbsp;</td>';
     if ($newpostsflag) {      if ($newpostsflag) {
  if (!$markondisp) {   if (!$markondisp) {
     $discussion .='<td align="right"><a href="/adm/feedback?markread='.$ressymb.'">'.&mt('Mark NEW posts no longer new').'</a>&nbsp;&nbsp;';      $discussion .='<td align="right"><a href="/adm/feedback?markread=1&amp;symb='.$ressymb.'">'.&mt('Mark NEW posts no longer new').'</a>&nbsp;&nbsp;';
  } else {   } else {
     $discussion .= '<td>&nbsp;</td>';      $discussion .= '<td>&nbsp;</td>';
  }   }
Line 474  imscp_v1p1.xsd http://www.imsglobal.org/ Line 473  imscp_v1p1.xsd http://www.imsglobal.org/
                     my $postfilename = $alldiscussion{$_}.'-'.$imsitems{$alldiscussion{$_}}{'timestamp'}.'.html';                      my $postfilename = $alldiscussion{$_}.'-'.$imsitems{$alldiscussion{$_}}{'timestamp'}.'.html';
                     if ($manifestok) {                      if ($manifestok) {
                         if (($depth[$alldiscussion{$_}] <= $currdepth) && ($alldiscussion{$_} != $firstidx)) {                          if (($depth[$alldiscussion{$_}] <= $currdepth) && ($alldiscussion{$_} != $firstidx)) {
                             print STDERR "depth is $depth[$alldiscussion{$_}], currdepth is $currdepth, idx is $alldiscussion{$_}, firstidx is $firstidx\n";  
                             print $manifestfile '  </item>'."\n";                              print $manifestfile '  </item>'."\n";
                         }                          }
                         $currdepth = $depth[$alldiscussion{$_}];                          $currdepth = $depth[$alldiscussion{$_}];
Line 600  END Line 598  END
                 undef(%oldENV);                  undef(%oldENV);
                 $discussion .= 'Download the zip file from <a href="'.$imszipfile.'">Discussion Posting Archive</a><br />';                  $discussion .= 'Download the zip file from <a href="'.$imszipfile.'">Discussion Posting Archive</a><br />';
                 if ($copyresult) {                  if ($copyresult) {
                     $discussion .= 'The following errors occurred during export - '.$copyresult;                      $discussion .= 'The following errors occurred during export - <br />'.$copyresult;
                 }                  }
             } else {              } else {
                 $discussion .= '<br />Unfortunately you will not be able to retrieve an archive of the discussion posts at this time, because there was a problem creating a manifest file.<br />';                  $discussion .= '<br />Unfortunately you will not be able to retrieve an archive of the discussion posts at this time, because there was a problem creating a manifest file.<br />';
Line 618  END Line 616  END
         my $subject = '';          my $subject = '';
         if ($ENV{'form.origpage'}) {          if ($ENV{'form.origpage'}) {
             &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']);              &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']);
             $subject = &HTML::Entities::encode($ENV{'form.subject'},'<>&"');              $subject = &Apache::lonnet::unescape($ENV{'form.subject'});
             $comment = &HTML::Entities::encode($ENV{'form.comment'},'<>&"');              $comment = &Apache::lonnet::unescape($ENV{'form.comment'});
             my @keepold = ();              my @keepold = ();
             &process_attachments(\@currnewattach,\@currdelold,\@keepold);              &process_attachments(\@currnewattach,\@currdelold,\@keepold);
             if (@currnewattach > 0) {              if (@currnewattach > 0) {
Line 640  to course faculty</font><br /> Line 638  to course faculty</font><br />
 <b>Title:</b>&nbsp;<input type="text" name="subject" value="$subject" size="30" /><br /><br />  <b>Title:</b>&nbsp;<input type="text" name="subject" value="$subject" size="30" /><br /><br />
 <textarea name="comment" cols="80" rows="14" wrap="hard">$comment</textarea>  <textarea name="comment" cols="80" rows="14" wrap="hard">$comment</textarea>
 ENDDISCUSS  ENDDISCUSS
         if ($ENV{'form.origpage'}) {              if ($ENV{'form.origpage'}) {
             $discussion.='<input type="hidden" name="origpage" value="'.$ENV{'form.origpage'}.'" />'."\n";                  $discussion.='<input type="hidden" name="origpage" value="'.$ENV{'form.origpage'}.'" />'."\n";
             foreach (@currnewattach) {                  foreach (@currnewattach) {
                 $discussion.='<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n";                      $discussion.='<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n";
             }                  }
         }              }
         $discussion.="</form>\n";              $discussion.="</form>\n";
         if ($outputtarget ne 'tex') {              if ($outputtarget ne 'tex') {
             $discussion.=&generate_attachments_button('',$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,'',$mode);                  $discussion.=&generate_attachments_button('',$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,'',$mode);
             if (@currnewattach > 0) {                  if (@currnewattach > 0) {
                 $newattachmsg .= '<b>New attachments</b><br />';                      $newattachmsg .= '<b>New attachments</b><br />';
                 if (@currnewattach > 1) {                      if (@currnewattach > 1) {
                     $newattachmsg .= '<ol>';                          $newattachmsg .= '<ol>';
                     foreach my $item (@currnewattach) {                          foreach my $item (@currnewattach) {
                         $item =~ m#.*/([^/]+)$#;                              $item =~ m#.*/([^/]+)$#;
                         $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";                              $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
                           }
                           $newattachmsg .= '</ol>'."\n";
                       } else {
                           $currnewattach[0] =~ m#.*/([^/]+)$#;
                           $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
                     }                      }
                     $newattachmsg .= '</ol>'."\n";  
                 } else {  
                     $currnewattach[0] =~ m#.*/([^/]+)$#;  
                     $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";  
                 }                  }
             }                  $discussion.=$newattachmsg;
             $discussion.=$newattachmsg;          $discussion.=&generate_preview_button();
     $discussion.=&generate_preview_button();      }
  }  
  }   }
         } else {      } else {
  if (&discussion_open($status) &&          if (&discussion_open($status) &&
     &Apache::lonnet::allowed('pch',              &Apache::lonnet::allowed('pch',
    $ENV{'request.course.id'}.             $ENV{'request.course.id'}.
  ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {          ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
     if ($outputtarget ne 'tex') {      if ($outputtarget ne 'tex') {
  $discussion.='<table bgcolor="#BBBBBB"><tr><td><a href="/adm/feedback?replydisc='.   $discussion.='<table bgcolor="#BBBBBB"><tr><td><a href="/adm/feedback?replydisc='.
     $symb.':::" '.$target.'>'.      $ressymb.':::" '.$target.'>'.
     '<img src="/adm/lonMisc/chat.gif" border="0" />'.      '<img src="/adm/lonMisc/chat.gif" border="0" />'.
     &mt('Post Discussion').'</a></td></tr></table>';      &mt('Post Discussion').'</a></td></tr></table>';
     }      }
Line 688  sub build_posting_display { Line 686  sub build_posting_display {
   
     my @original=();      my @original=();
     my @index=();      my @index=();
       my $symb=&Apache::lonenc::check_decrypt($ressymb);
     my %contrib=&Apache::lonnet::restore($ressymb,$ENV{'request.course.id'},      my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
   $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},    $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
   $ENV{'course.'.$ENV{'request.course.id'}.'.num'});    $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
   
Line 967  sub build_posting_display { Line 965  sub build_posting_display {
                                     } else {                                      } else {
                                         $rolematch .= ':'.$sectionpick;                                          $rolematch .= ':'.$sectionpick;
                                         $skiptest = 0;                                          $skiptest = 0;
                                     }      }
                                 }                                  }
                                 if ($statusfilter) {                                  if ($statusfilter) {
                                     if ($statusfilter eq 'all') {                                      if ($statusfilter eq 'all') {
Line 1048  sub get_post_contents { Line 1046  sub get_post_contents {
            return $discussion;             return $discussion;
        }          } 
     }      }
     $$screenname=&Apache::loncommon::screenname(  #    $$screenname=&Apache::loncommon::screenname(
                                         $$contrib{$idx.':sendername'},  #                                        $$contrib{$idx.':sendername'},
                                         $$contrib{$idx.':senderdomain'});  #                                        $$contrib{$idx.':senderdomain'});
     $$plainname=&Apache::loncommon::nickname(  #    $$plainname=&Apache::loncommon::nickname(
                                         $$contrib{$idx.':sendername'},  #                                        $$contrib{$idx.':sendername'},
                                         $$contrib{$idx.':senderdomain'});  #                                        $$contrib{$idx.':senderdomain'});
       ($$screenname,$$plainname)=($$contrib{$idx.':screenname'},
    $$contrib{$idx.':plainname'});
     my $sender=&Apache::loncommon::aboutmewrapper(      my $sender=&Apache::loncommon::aboutmewrapper(
                                  $$plainname,                                   $$plainname,
                                  $$contrib{$idx.':sendername'},                                   $$contrib{$idx.':sendername'},
Line 1151  sub replicate_attachments { Line 1151  sub replicate_attachments {
                     $i ++;                      $i ++;
                 }                  }
                 my ($content,$rtncode);                  my ($content,$rtncode);
                 print STDERR "File to replicate is $$attachrefs{$id}{'filename'} in $1,$2\n";  
                 my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode);                  my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode);
                 if ($uploadreply eq 'ok') {                  if ($uploadreply eq 'ok') {
                      my $attachcopy;                      my $attachcopy;
                      if ($attachcopy = Apache::File->new('>'.$destination)) {                      if ($attachcopy = Apache::File->new('>'.$destination)) {
                          print $attachcopy $content;                          print $attachcopy $content;
                          close($attachcopy);                          close($attachcopy);
                      } else {                      } else {
                          $response .= 'Error copying a file attachment to IMS package: '.$!.'<br />'."\n";                          $response .= 'Error copying file attachment - '.$5.' to IMS package: '.$!.'<br />'."\n";
                      }                      }
                 } else {                  } else {
                     print STDERR "return code from lonnet was $rtncode\n";                      &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode");
                       $response .= 'Error copying file attachment - '.$5.' to IMS package: '.$rtncode.'<br />'."\n";
                 }                  }
             }              }
         }          }
     }      }
       return $response;
 }  }
   
 sub mail_screen {  sub mail_screen {
Line 1308  END Line 1309  END
   }    }
   
   if ($ENV{'form.origpage'}) {    if ($ENV{'form.origpage'}) {
       $subject = $ENV{'form.subject'};        $subject = &Apache::lonnet::unescape($ENV{'form.subject'});
       $comment = $ENV{'form.comment'};        $comment = &Apache::lonnet::unescape($ENV{'form.comment'});
       &process_attachments(\@currnewattach,\@currdelold,\@keepold);        &process_attachments(\@currnewattach,\@currdelold,\@keepold);
   }    }
   my $latexHelp=&Apache::loncommon::helpLatexCheatsheet();    my $latexHelp=&Apache::loncommon::helpLatexCheatsheet();
Line 1472  END Line 1473  END
   
 sub print_display_options {  sub print_display_options {
     my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;      my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
  # backward compatibility (bulletin boards used to be 'wrapped')      &Apache::loncommon::content_type($r,'text/html');
     if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {      $r->send_http_header;
         $feedurl=~s|^/adm/wrapper||;  
     }  
   
     my $function = &Apache::loncommon::get_users_function();      my $function = &Apache::loncommon::get_users_function();
     my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',      my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
Line 1656  $lt{'sdpf'}<br/> $lt{'prca'}  <ol><li>$l Line 1655  $lt{'sdpf'}<br/> $lt{'prca'}  <ol><li>$l
 </table>  </table>
 <br />  <br />
 <br />  <br />
   <input type="hidden" name="symb" value="$symb" />
 <input type="hidden" name="previous" value="$previous" />  <input type="hidden" name="previous" value="$previous" />
 <input type="hidden" name="$dispchgA" value=""/>  <input type="hidden" name="$dispchgA" value=""/>
 <input type="hidden" name="$dispchgB" value=""/>  <input type="hidden" name="$dispchgB" value=""/>
Line 1673  END Line 1673  END
   
 sub print_sortfilter_options {  sub print_sortfilter_options {
     my ($r,$symb,$previous,$feedurl) = @_;      my ($r,$symb,$previous,$feedurl) = @_;
  # backward compatibility (bulletin boards used to be 'wrapped')  
     if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {      &Apache::loncommon::content_type($r,'text/html');
         $feedurl=~s|^/adm/wrapper||;      $r->send_http_header;
     }  
       &Apache::lonenc::check_encrypt(\$symb);
     my @sections = ();      my @sections = ();
     my $section_sel = '';      my $section_sel = '';
     my $numsections = 0;      my $numsections = 0;
Line 1812  END Line 1813  END
   
 sub print_showposters {  sub print_showposters {
     my ($r,$symb,$previous,$feedurl,$sortposts) = @_;      my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
  # backward compatibility (bulletin boards used to be 'wrapped')  
     if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {      &Apache::lonenc::check_encrypt(\$symb);
         $feedurl=~s|^/adm/wrapper||;  
     }  
 # backward compatibility (bulletin boards used to be 'wrapped')  
     my $ressymb=$symb;  
     if ($ressymb =~ /bulletin___\d+___/) {  
         unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {  
             $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;  
         }  
     }  
     my $crs='/'.$ENV{'request.course.id'};      my $crs='/'.$ENV{'request.course.id'};
     if ($ENV{'request.course.sec'}) {      if ($ENV{'request.course.sec'}) {
         $crs.='_'.$ENV{'request.course.sec'};          $crs.='_'.$ENV{'request.course.sec'};
     }      }
     $crs=~s/\_/\//g;      $crs=~s/\_/\//g;
     my $seeid=&Apache::lonnet::allowed('rin',$crs);      my $seeid=&Apache::lonnet::allowed('rin',$crs);
     my %contrib=&Apache::lonnet::restore($ressymb,$ENV{'request.course.id'},      my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
                           $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},                            $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
                           $ENV{'course.'.$ENV{'request.course.id'}.'.num'});                            $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
     my %namesort = ();      my %namesort = ();
Line 2006  sub redirect_back { Line 1998  sub redirect_back {
   my $userpicktag = '';    my $userpicktag = '';
   my $qrystr = '';    my $qrystr = '';
   my $prevtag = '';    my $prevtag = '';
  # backward compatibility (bulletin boards used to be 'wrapped')  
   if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {    &Apache::loncommon::content_type($r,'text/html');
       $feedurl=~s|^/adm/wrapper||;    $r->send_http_header;
   }  
     &dewrapper(\$feedurl);
   if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };    if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
   if ($previous > 0) {    if ($previous > 0) {
       $qrystr = 'previous='.$previous;        $qrystr = 'previous='.$previous;
Line 2042  sub redirect_back { Line 2035  sub redirect_back {
           $sectag = '<input type="hidden" name="sectionpick" value="'.$secpick.'" />';            $sectag = '<input type="hidden" name="sectionpick" value="'.$secpick.'" />';
       }        }
   }    }
     $feedurl=&Apache::lonenc::check_encrypt($feedurl);
   $r->print (<<ENDREDIR);    $r->print (<<ENDREDIR);
 <html>  <html>
 <head>  <head>
Line 2079  sub no_redirect_back { Line 2073  sub no_redirect_back {
 ENDNOREDIR  ENDNOREDIR
   
   if ($feedurl!~/^\/adm\/feedback/) {     if ($feedurl!~/^\/adm\/feedback/) { 
     $r->print('<meta HTTP-EQUIV="Refresh" CONTENT="2; url='.$feedurl.'">');        $r->print('<meta HTTP-EQUIV="Refresh" CONTENT="2; url='.
    &Apache::lonenc::check_encrypt($feedurl).'">');
   }    }
       $feedurl=&Apache::lonenc::check_encrypt($feedurl);
   $r->print (<<ENDNOREDIRTWO);    $r->print (<<ENDNOREDIRTWO);
 </head>  </head>
 <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { self.close(); }'>  <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { self.close(); }'>
Line 2094  ENDNOREDIRTWO Line 2089  ENDNOREDIRTWO
 }  }
   
 sub screen_header {  sub screen_header {
     my ($feedurl) = @_;      my ($feedurl,$symb) = @_;
     my $msgoptions='';      my $msgoptions='';
     my $discussoptions='';      my $discussoptions='';
     unless (($ENV{'form.replydisc'}) || ($ENV{'form.editdisc'})) {      unless (($ENV{'form.replydisc'}) || ($ENV{'form.editdisc'})) {
Line 2120  sub screen_header { Line 2115  sub screen_header {
  }   }
     }      }
     if ($ENV{'request.course.id'}) {      if ($ENV{'request.course.id'}) {
  if (&discussion_open() &&   if (&discussion_open(undef,$symb) &&
     &Apache::lonnet::allowed('pch',      &Apache::lonnet::allowed('pch',
      $ENV{'request.course.id'}.       $ENV{'request.course.id'}.
      ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {       ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
Line 2130  sub screen_header { Line 2125  sub screen_header {
     $discussoptions.='<br /><input type="checkbox" name="anondiscuss" onClick="this.form.discuss.checked=false;" /> '.      $discussoptions.='<br /><input type="checkbox" name="anondiscuss" onClick="this.form.discuss.checked=false;" /> '.
  &mt('Anonymous contribution to course discussion of resource').   &mt('Anonymous contribution to course discussion of resource').
  ' <i>('.&mt('name only visible to course faculty').')</i>';   ' <i>('.&mt('name only visible to course faculty').')</i>';
       }          }
     }      }
     if ($msgoptions) { $msgoptions='<h2><img src="/adm/lonMisc/feedback.gif" />'.&mt('Sending Messages').'</h2>'.$msgoptions; }      if ($msgoptions) { $msgoptions='<h2><img src="/adm/lonMisc/feedback.gif" />'.&mt('Sending Messages').'</h2>'.$msgoptions; }
     if ($discussoptions) {       if ($discussoptions) { 
Line 2179  sub clear_out_html { Line 2174  sub clear_out_html {
 sub assemble_email {  sub assemble_email {
   my ($feedurl,$message,$prevattempts,$usersaw,$useranswer)=@_;    my ($feedurl,$message,$prevattempts,$usersaw,$useranswer)=@_;
   my $email=<<"ENDEMAIL";    my $email=<<"ENDEMAIL";
 Refers to <a href="$feedurl">$feedurl</a>  
   
 $message  $message
 ENDEMAIL  ENDEMAIL
     my $citations=<<"ENDCITE";      my $citations=<<"ENDCITE";
Line 2332  sub adddiscuss { Line 2325  sub adddiscuss {
             $contrib{'history'} = '';              $contrib{'history'} = '';
             my $numoldver = 0;              my $numoldver = 0;
             my ($oldsymb,$oldidx)=split(/\:\:\:/,$ENV{'form.editdisc'});              my ($oldsymb,$oldidx)=split(/\:\:\:/,$ENV{'form.editdisc'});
       &Apache::lonenc::check_decrypt(\$oldsymb);
             $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;              $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
 # get timestamp for last post and history  # get timestamp for last post and history
             my %oldcontrib=&Apache::lonnet::restore($oldsymb,$ENV{'request.course.id'},              my %oldcontrib=&Apache::lonnet::restore($oldsymb,$ENV{'request.course.id'},
Line 2407  sub adddiscuss { Line 2401  sub adddiscuss {
   
 sub show_preview {  sub show_preview {
     my $r=shift;      my $r=shift;
       &Apache::loncommon::content_type($r,'text/html');
       $r->send_http_header;
     my $message=&clear_out_html($ENV{'form.comment'});      my $message=&clear_out_html($ENV{'form.comment'});
     $message=~s/\n/\<br \/\>/g;      $message=~s/\n/\<br \/\>/g;
     $message=&Apache::lonspeller::markeduptext($message);      $message=&Apache::lonspeller::markeduptext($message);
Line 2433  ENDPREVIEW Line 2429  ENDPREVIEW
   
 sub modify_attachments {  sub modify_attachments {
     my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls)=@_;      my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls)=@_;
     my $subject=&clear_out_html($ENV{'form.subject'});      my $orig_subject = &Apache::lonnet::unescape($ENV{'form.subject'});
       my $subject=&clear_out_html($orig_subject);
     $subject=~s/\n/\<br \/\>/g;      $subject=~s/\n/\<br \/\>/g;
     $subject=&Apache::lontexconvert::msgtexconverted($subject);      $subject=&Apache::lontexconvert::msgtexconverted($subject);
     my $timestamp=$ENV{'form.timestamp'};      my $timestamp=$ENV{'form.timestamp'};
Line 2446  sub modify_attachments { Line 2443  sub modify_attachments {
     if ($idx) {      if ($idx) {
         &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);          &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
     }      }
       &Apache::lonenc::check_encrypt(\$symb);
     $r->print(<<END);      $r->print(<<END);
 <html>  <html>
 <head>  <head>
Line 2462  $bodytag Line 2460  $bodytag
  <table border="2">   <table border="2">
   <tr>    <tr>
    <td>     <td>
     <b>Subject:</b>$subject</b><br /><br />      <b>Subject:</b> $subject</b><br /><br />
 END  END
     if ($idx) {      if ($idx) {
         if ($attachmenturls) {          if ($attachmenturls) {
Line 2569  sub generate_attachments_button { Line 2567  sub generate_attachments_button {
     my $response = (<<END);      my $response = (<<END);
 <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">  <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
 Click to add/remove attachments:&nbsp;<input type="button" value="$att"  Click to add/remove attachments:&nbsp;<input type="button" value="$att"
 onClick="if (typeof(document.mailform.onsubmit)=='function') {document.mailform.onsubmit();};this.form.comment.value=document.mailform.comment.value;this.form.subject.value=document.mailform.subject.value;  onClick="if (typeof(document.mailform.onsubmit)=='function') {document.mailform.onsubmit();};this.form.comment.value=escape(document.mailform.comment.value);this.form.subject.value=escape(document.mailform.subject.value);
 END  END
     unless ($mode eq 'board') {      unless ($mode eq 'board') {
         $response .= 'javascript:anonchk();';          $response .= 'javascript:anonchk();';
Line 2709  sub construct_attachmenturl { Line 2707  sub construct_attachmenturl {
     }      }
     return $newattachmenturl;       return $newattachmenturl; 
 }  }
   
   sub has_discussion {
       my $resourcesref = shift;
       my $navmap = Apache::lonnavmaps::navmap->new();
       my @allres=$navmap->retrieveResources();
       foreach my $resource (@allres) {
           if ($resource->hasDiscussion()) {
               my $ressymb;
               if ($resource->symb() =~ m-(___adm/\w+/\w+)/(\d+)/bulletinboard$-) {
                   $ressymb = 'bulletin___'.$2.$1.'/'.$2.'/bulletinboard';
               } else {
                   $ressymb = $resource->symb();
               }
               push @{$resourcesref}, $ressymb;
           }
       }
       return;
   } 
       
 sub handler {  sub handler {
   my $r = shift;    my $r = shift;
Line 2721  sub handler { Line 2737  sub handler {
 # --------------------------- Get query string for limited number of parameters  # --------------------------- Get query string for limited number of parameters
   
   &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
          ['hide','unhide','deldisc','postdata','preview','replydisc','editdisc','threadedon','threadedoff','onlyunread','allposts','onlyunmark','previous','markread','markonread','markondisp','toggoff','toggon','modifydisp','changes','navmaps','navurl','sortfilter','sortposts','applysort','rolefilter','statusfilter','sectionpick','posterlist','userpick','attach','origpage','currnewattach','deloldattach','keepold','allversions','export']);           ['hide','unhide','deldisc','postdata','preview','replydisc','editdisc','cmd','symb','onlyunread','allposts','onlyunmark','previous','markread','markonread','markondisp','toggoff','toggon','modifydisp','changes','navtime','navmaps','navurl','sortposts','applysort','rolefilter','statusfilter','sectionpick','posterlist','userpick','attach','origpage','currnewattach','deloldattach','keepold','allversions','export']);
   if ($ENV{'form.discsymb'}) {    if ($ENV{'form.discsymb'}) {
       my $symb = $ENV{'form.discsymb'};        my ($symb,$feedurl) = &get_feedurl_and_clean_symb($ENV{'form.discsymb'});
       my $readkey = $symb.'_read';        my $readkey = $symb.'_read';
       my %readinghash = ();  
       my $chgcount = 0;        my $chgcount = 0;
       %readinghash = &Apache::lonnet::get('nohist_'.$ENV{'request.course.id'}.'_discuss',[$readkey],$ENV{'user.domain'},$ENV{'user.name'});        my %readinghash = &Apache::lonnet::get('nohist_'.$ENV{'request.course.id'}.'_discuss',[$readkey],$ENV{'user.domain'},$ENV{'user.name'});
       foreach my $key (keys %ENV) {        foreach my $key (keys %ENV) {
           if ($key =~ m/^form\.postunread_(\d+)/) {            if ($key =~ m/^form\.postunread_(\d+)/) {
               if ($readinghash{$readkey} =~ /\.$1\./) {                if ($readinghash{$readkey} =~ /\.$1\./) {
Line 2742  sub handler { Line 2757  sub handler {
           }            }
       }        }
       if ($chgcount > 0) {        if ($chgcount > 0) {
           &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%readinghash,$ENV{'user.domain'},$ENV{'user.name'});            &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',
     \%readinghash,$ENV{'user.domain'},$ENV{'user.name'});
       }        }
       &Apache::loncommon::content_type($r,'text/html');        &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />',
       $r->send_http_header;       '0','0','',$ENV{'form.previous'},'','','',);
       my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);  
       my $previous=$ENV{'form.previous'};  
       my $feedurl = &Apache::lonnet::clutter($url);  
       &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />','0','0','',$previous,'','','',);  
       return OK;        return OK;
   }    }
   if ($ENV{'form.allversions'}) {    if ($ENV{'form.allversions'}) {
       &Apache::loncommon::content_type($r,'text/html');        &Apache::loncommon::content_type($r,'text/html');
       $r->send_http_header;        $r->send_http_header;
       my $bodytag=&Apache::loncommon::bodytag('Discussion Post Versions',        my $bodytag=&Apache::loncommon::bodytag('Discussion Post Versions');
                                           '','');  
       $r->print (<<END);        $r->print (<<END);
 <html>  <html>
 <head>  <head>
Line 2769  END Line 2780  END
       if ($ENV{'request.course.sec'}) {        if ($ENV{'request.course.sec'}) {
           $crs.='_'.$ENV{'request.course.sec'};            $crs.='_'.$ENV{'request.course.sec'};
       }        }
       $crs=~s/\_/\//g;        $crs=~s|_|/|g;
       my $seeid=&Apache::lonnet::allowed('rin',$crs);        my $seeid=&Apache::lonnet::allowed('rin',$crs);
       my ($symb,$idx)=split(/\:\:\:/,$ENV{'form.allversions'});        my ($symb,$idx)=split(/\:\:\:/,$ENV{'form.allversions'});
       my $ressymb=$symb;        ($symb)=&get_feedurl_and_clean_symb($symb);
       unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {  
           $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;  
       }  
       if ($idx > 0) {        if ($idx > 0) {
           my %messages = ();            my %messages = ();
           my %subjects = ();            my %subjects = ();
Line 2783  END Line 2791  END
           my %allattachments = ();            my %allattachments = ();
           my %imsfiles = ();            my %imsfiles = ();
           my ($screenname,$plainname);            my ($screenname,$plainname);
           my %contrib=&Apache::lonnet::restore($ressymb,$ENV{'request.course.id'},            my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
                $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},                             $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
                $ENV{'course.'.$ENV{'request.course.id'}.'.num'});                             $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
           my $discussion = &get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname);            $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname));
           $r->print($discussion);  
       }        }
       return OK;        return OK;
   }    }
   if ($ENV{'form.posterlist'}) {    if ($ENV{'form.posterlist'}) {
       &Apache::loncommon::content_type($r,'text/html');        my ($symb,$feedurl)=&get_feedurl_and_clean_symb($ENV{'form.applysort'});
       $r->send_http_header;        &print_showposters($r,$symb,$ENV{'form.previous'},$feedurl,
       my $symb=$ENV{'form.posterlist'};   $ENV{'form.sortposts'});
       my $sortposts = $ENV{'form.sortposts'};  
       my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);  
       my $previous=$ENV{'form.previous'};  
       my $feedurl = &Apache::lonnet::clutter($url);  
  # backward compatibility (bulletin boards used to be 'wrapped')  
       if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {  
           $feedurl=~s|^/adm/wrapper||;  
       }  
       &print_showposters($r,$symb,$previous,$feedurl,$sortposts);  
       return OK;        return OK;
   }    }
   if ($ENV{'form.userpick'}) {    if ($ENV{'form.userpick'}) {
       &Apache::loncommon::content_type($r,'text/html');        my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo');
       $r->send_http_header;        my ($symb,$feedurl)=&get_feedurl_and_clean_symb($ENV{'form.userpick'});
       my $symb=$ENV{'form.userpick'};  
       my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);  
       my $previous=$ENV{'form.previous'};  
 # backward compatibility (bulletin boards used to be 'wrapped')  
       my $ressymb=$symb;  
       unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {  
           $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;  
       }  
       my $sort=$ENV{'form.sortposts'};  
       my @posters = ();  
       if (ref($ENV{'form.stuinfo'}) eq 'ARRAY') {  
           @posters = $ENV{'form.stuinfo'};  
       } else {  
           $posters[0] = $ENV{'form.stuinfo'};  
       }  
       my $numpicks = @posters;        my $numpicks = @posters;
       if (defined($ENV{'form.userpick'})) {        my %discinfo;
           my %discinfo = ();        $discinfo{$symb.'_userpick'} = join('&',@posters);
           $discinfo{$ressymb.'_userpick'} = join('&',@posters);        &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',
           &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});     \%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
       }        &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0',
       my $feedurl = &Apache::lonnet::clutter($url);       '',$ENV{'form.previous'},$ENV{'form.sortposts'},'','','',
  # backward compatibility (bulletin boards used to be 'wrapped')       $numpicks);
       if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {  
           $feedurl=~s|^/adm/wrapper||;  
       }  
       &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',$previous,$sort,'','','',$numpicks);  
       return OK;        return OK;
   }    }
   if ($ENV{'form.applysort'}) {    if ($ENV{'form.applysort'}) {
       &Apache::loncommon::content_type($r,'text/html');        my ($symb,$feedurl)=&get_feedurl_and_clean_symb($ENV{'form.applysort'});
       $r->send_http_header;        &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0',
       my $symb=$ENV{'form.applysort'};       '',$ENV{'form.previous'},$ENV{'form.sortposts'},
       my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);       $ENV{'form.rolefilter'},$ENV{'form.statusfilter'},
       my $previous=$ENV{'form.previous'};       $ENV{'form.secpick'});
       my $sort = $ENV{'form.sortposts'};  
       my $rolefilter = $ENV{'form.rolefilter'};  
       my $statusfilter = $ENV{'form.statusfilter'};  
       my $secpick = $ENV{'form.sectionpick'};  
       my $feedurl = &Apache::lonnet::clutter($url);  
  # backward compatibility (bulletin boards used to be 'wrapped')  
       if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {  
           $feedurl=~s|^/adm/wrapper||;  
       }  
       &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',$previous,$sort,$rolefilter,$statusfilter,$secpick);  
       return OK;        return OK;
   } elsif ($ENV{'form.sortfilter'}) {    } elsif ($ENV{'form.cmd'} eq 'sortfilter') {
       &Apache::loncommon::content_type($r,'text/html');        my ($symb,$feedurl)=&get_feedurl_and_clean_symb($ENV{'form.symb'});
       $r->send_http_header;        &print_sortfilter_options($r,$symb,$ENV{'form.previous'},$feedurl);
       my $symb=$ENV{'form.sortfilter'};  
       my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);  
       my $previous=$ENV{'form.previous'};  
       my $feedurl = &Apache::lonnet::clutter($url);  
  # backward compatibility (bulletin boards used to be 'wrapped')  
       if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {  
           $feedurl=~s|^/adm/wrapper||;  
       }  
       &print_sortfilter_options($r,$symb,$previous,$feedurl);  
       return OK;        return OK;
   } elsif ($ENV{'form.navmaps'}) {    } elsif ($ENV{'form.navtime'}) {
       my %discinfo = ();        my %discinfo = ();
       my @resources = ();        my @resources = ();
       if ($ENV{'form.navmaps'} =~ /:/) {        if (defined($ENV{'form.navmaps'})) {
           @resources = split/:/,$ENV{'form.navmaps'};            if ($ENV{'form.navmaps'} =~ /:/) {
                 @resources = split/:/,$ENV{'form.navmaps'};
             } else {
                 @resources = ("$ENV{'form.navmaps'}");
             }
       } else {        } else {
           @resources = ("$ENV{'form.navmaps'}");            &has_discussion(\@resources);
       }        }
       my $numitems = @resources;        my $numitems = @resources;
       my $feedurl = '/adm/navmaps';        my $feedurl = '/adm/navmaps';
       if ($ENV{'form.navurl'}) {        if ($ENV{'form.navurl'}) { $feedurl .= '?'.$ENV{'form.navurl'}; }
           $feedurl .= '?'.$ENV{'form.navurl'};  
       }  
       my %lt = &Apache::lonlocal::texthash(        my %lt = &Apache::lonlocal::texthash(
           'mnpa' => 'Marked "New" posts as read in a total of',            'mnpa' => 'Marked "New" posts as read in a total of',
           'robb' => 'resources/bulletin boards.'            'robb' => 'resources/bulletin boards.',
             'twnp' => 'There are currently no resources or bulletin boards with unread discussion postings.'
       );               );       
       foreach (@resources) {        foreach (@resources) {
 # backward compatibility (bulletin boards used to be 'wrapped')  # backward compatibility (bulletin boards used to be 'wrapped')
           my $ressymb=$_;            my $ressymb=$_;
     &Apache::lonenc::check_decrypt(\$ressymb);
           if ($ressymb =~ m/bulletin___\d+___/) {            if ($ressymb =~ m/bulletin___\d+___/) {
               unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {                unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
                   $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper/|;                    $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper/|;
               }                }
           }            }
           my $lastkey = $ressymb.'_lastread';            my $lastkey = $ressymb.'_lastread';
           $discinfo{$lastkey} = time;            $discinfo{$lastkey} = $ENV{'form.navtime'};
         }
         my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>";
         if ($numitems > 0) {
             &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',
        \%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
         } else {
             $textline = "<b>$lt{'twnp'}</b>";
       }        }
       &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});  
       &Apache::loncommon::content_type($r,'text/html');        &Apache::loncommon::content_type($r,'text/html');
       $r->send_http_header;        $r->send_http_header;
       $r->print (<<ENDREDIR);        $r->print (<<ENDREDIR);
Line 2908  END Line 2878  END
 </head>  </head>
 <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'>  <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'>
 <img align="right" src="/adm/lonIcons/lonlogos.gif" />  <img align="right" src="/adm/lonIcons/lonlogos.gif" />
 <b>$lt{'mnpa'} $numitems $lt{'robb'}</b>  $textline
 <form name="reldt" action="$feedurl" target="loncapaclient">  <form name="reldt" action="$feedurl" target="loncapaclient">
 </form>  </form>
 <br /><a href="$feedurl">Continue</a>  <br /><a href="$feedurl">Continue</a>
Line 2917  END Line 2887  END
 ENDREDIR  ENDREDIR
       return OK;        return OK;
   } elsif ($ENV{'form.modifydisp'}) {    } elsif ($ENV{'form.modifydisp'}) {
       &Apache::loncommon::content_type($r,'text/html');        my ($symb,$feedurl)=&get_feedurl_and_clean_symb($ENV{'form.modifydisp'});
       $r->send_http_header;        my ($dispchgA,$dispchgB,$markchg,$toggchg) = 
       my $symb=$ENV{'form.modifydisp'};    split(/_/,$ENV{'form.changes'});
       my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);        &print_display_options($r,$symb,$ENV{'form.previous'},$dispchgA,
       my $previous=$ENV{'form.previous'};       $dispchgB,$markchg,$toggchg,$feedurl);
       my ($dispchgA,$dispchgB,$markchg,$toggchg) = split/_/,$ENV{'form.changes'};  
       my $feedurl = &Apache::lonnet::clutter($url);  
  # backward compatibility (bulletin boards used to be 'wrapped')    
       if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {  
           $feedurl=~s|^/adm/wrapper||;  
       }  
       &print_display_options($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl);  
       return OK;        return OK;
   } elsif (($ENV{'form.markondisp'}) || ($ENV{'form.markonread'}) || ($ENV{'form.allposts'}) || ($ENV{'form.onlyunread'}) || $ENV{'form.onlyunmark'} || $ENV{'form.toggoff'} || $ENV{'form.toggon'} ) {    } elsif ($ENV{'form.markondisp'} || $ENV{'form.markonread'} ||
       &Apache::loncommon::content_type($r,'text/html');     $ENV{'form.allposts'}   || $ENV{'form.onlyunread'} ||
       $r->send_http_header;     $ENV{'form.onlyunmark'} || $ENV{'form.toggoff'}    ||
       my $previous=$ENV{'form.previous'};     $ENV{'form.toggon'}     || $ENV{'form.markread'}) {
       my ($map,$ind,$url);        my ($symb,$feedurl)=&get_feedurl_and_clean_symb($ENV{'form.symb'});
       if ( ($ENV{'form.toggoff'}) || ($ENV{'form.toggon'}) ) {        my %discinfo;
 # ------------------------------ Modify setting for read/unread toggle for each post   # ------------------------ Modify setting for read/unread toggle for each post 
           my $symb=$ENV{'form.toggoff'}?$ENV{'form.toggoff'}:$ENV{'form.toggon'};        if ($ENV{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; }
           my $ressymb = $symb;        if ($ENV{'form.toggon'})  { $discinfo{$symb.'_readtoggle'}=1; }
           ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);  # --------- Modify setting for identification of 'NEW' posts in this discussion
           unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {        if ($ENV{'form.markondisp'}) {
               $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;    $discinfo{$symb.'_lastread'} = time;
           }    $discinfo{$symb.'_markondisp'} = 1;
           my %discinfo = ();        }
           my $toggkey = $ressymb.'_readtoggle';        if ($ENV{'form.markonread'}) {
           if ($ENV{'form.toggon'}) {    if ( $ENV{'form.previous'} > 0 ) {
               $discinfo{$toggkey} = 1;        $discinfo{$symb.'_lastread'} = $ENV{'form.previous'};
           } elsif ($ENV{'form.toggoff'}) {    }
               $discinfo{$toggkey} = 0;    $discinfo{$symb.'_markondisp'} = 0;
           }  
           &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});  
       }  
       if (($ENV{'form.markondisp'}) || ($ENV{'form.markonread'})) {  
 # ---------------------- Modify setting for identification of 'NEW' posts in this discussion  
           my $symb=$ENV{'form.markondisp'}?$ENV{'form.markondisp'}:$ENV{'form.markonread'};  
           my $ressymb = $symb;  
           ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);  
           unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {  
               $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;  
           }  
           my %discinfo = ();  
           my $lastkey = $ressymb.'_lastread';  
           my $ondispkey = $ressymb.'_markondisp';  
           if ($ENV{'form.markondisp'}) {  
               $discinfo{$lastkey} = time;  
               $discinfo{$ondispkey} = 1;  
           } elsif ($ENV{'form.markonread'}) {  
               if ( $previous > 0 ) {  
                   $discinfo{$lastkey} = $previous;  
               }  
               $discinfo{$ondispkey} = 0;  
           }  
           &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});  
       }  
       if (($ENV{'form.allposts'}) || ($ENV{'form.onlyunread'}) || ($ENV{'form.onlyunmark'}) ) {  
 # ----------------------------------------------------------------- Modify display setting for this discussion   
           my $symb;  
           if ($ENV{'form.allposts'}) {  
               $symb = $ENV{'form.allposts'};  
           } elsif ($ENV{'form.onlyunread'}) {  
               $symb = $ENV{'form.onlyunread'};  
           } else {  
               $symb = $ENV{'form.onlyunmark'};  
           }  
           my $ressymb = $symb;  
           ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);  
           unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {  
               $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;  
           }  
           my %discinfo = ();  
           if ($ENV{'form.allposts'}) {  
               $discinfo{$ressymb.'_showonlyunread'} = 0;  
               $discinfo{$ressymb.'_showonlyunmark'} = 0;  
           } elsif ($ENV{'form.onlyunread'}) {  
               $discinfo{$ressymb.'_showonlyunread'} = 1;  
           } else {  
               $discinfo{$ressymb.'_showonlyunmark'} = 1;  
           }  
           &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});  
       }  
       if (($ENV{'form.markonread'}) || ($ENV{'form.allposts'}) || ($ENV{'form.onlyunread'}) || ($ENV{'form.onlyunmark'}) ||($ENV{'form.toggoff'}) || ($ENV{'form.toggon'}) ) {  
           &redirect_back($r,&Apache::lonnet::clutter($url),&mt('Changed display status').'<br />','0','0','',$previous);  
       } else {  
           &redirect_back($r,&Apache::lonnet::clutter($url),&mt('Changed display status').'<br />','0','0');  
       }  
       return OK;  
   } elsif ($ENV{'form.markread'}) {  
 # ----------------------------------------------------------------- Mark new posts not NEW   
       &Apache::loncommon::content_type($r,'text/html');  
       $r->send_http_header;  
       my $symb=$ENV{'form.markread'};  
       my $ressymb = $symb;  
       my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);  
       unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {  
           $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;  
       }        }
       my %discinfo = ();  # --------------------------------- Modify display setting for this discussion 
       my $lastkey = $ressymb.'_lastread';        if ($ENV{'form.allposts'}) {
       $discinfo{$lastkey} = time;    $discinfo{$symb.'_showonlyunread'} = 0;
       &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});    $discinfo{$symb.'_showonlyunmark'} = 0;
       &redirect_back($r,&Apache::lonnet::clutter($url),&mt('Changed reading status').'<br />','0','0');        }
         if ($ENV{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1;  }
         if ($ENV{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1;  }
   # ----------------------------------------------------- Mark new posts not NEW 
         if ($ENV{'form.markread'})   { $discinfo{$symb.'_lastread'} = time; }
         &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',
      \%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
         my $previous=$ENV{'form.previous'};
         if ($ENV{'form.markondisp'}) { $previous=undef; }
         &redirect_back($r,$feedurl,&mt('Changed display status').'<br />',
        '0','0','',$previous);
       return OK;        return OK;
   } elsif (($ENV{'form.hide'}) || ($ENV{'form.unhide'})) {    } elsif (($ENV{'form.hide'}) || ($ENV{'form.unhide'})) {
 # ----------------------------------------------------------------- Hide/unhide  # ----------------------------------------------------------------- Hide/unhide
     &Apache::loncommon::content_type($r,'text/html');        my $entry=$ENV{'form.hide'}?$ENV{'form.hide'}:$ENV{'form.unhide'};
     $r->send_http_header;        my ($symb,$idx)=split(/\:\:\:/,$entry);
         ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
     my $entry=$ENV{'form.hide'}?$ENV{'form.hide'}:$ENV{'form.unhide'};  
   
     my ($symb,$idx)=split(/\:\:\:/,$entry);        my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
     my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);                            $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
             $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
   
     my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},        my $currenthidden=$contrib{'hidden'};
                      $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},        my $currentstudenthidden=$contrib{'studenthidden'};
      $ENV{'course.'.$ENV{'request.course.id'}.'.num'});  
   
                 my $crs='/'.$ENV{'request.course.id'};
     my $currenthidden=$contrib{'hidden'};        if ($ENV{'request.course.sec'}) {
     my $currentstudenthidden=$contrib{'studenthidden'};    $crs.='_'.$ENV{'request.course.sec'};
         }
         $crs=~s/\_/\//g;
         my $seeid=&Apache::lonnet::allowed('rin',$crs);
   
     my $crs='/'.$ENV{'request.course.id'};        if ($ENV{'form.hide'}) {
     if ($ENV{'request.course.sec'}) {    $currenthidden.='.'.$idx.'.';
         $crs.='_'.$ENV{'request.course.sec'};    unless ($seeid) {
     }        $currentstudenthidden.='.'.$idx.'.';
     $crs=~s/\_/\//g;    }
     my $seeid=&Apache::lonnet::allowed('rin',$crs);        } else {
         $currenthidden=~s/\.$idx\.//g;
     if ($ENV{'form.hide'}) {        }
  $currenthidden.='.'.$idx.'.';        my %newhash=('hidden' => $currenthidden);
         unless ($seeid) {        if ( ($ENV{'form.hide'}) && (!$seeid) ) {
             $currentstudenthidden.='.'.$idx.'.';    $newhash{'studenthidden'} = $currentstudenthidden;
         }        }
     } else {  
         $currenthidden=~s/\.$idx\.//g;  
     }  
     my %newhash=('hidden' => $currenthidden);  
     if ( ($ENV{'form.hide'}) && (!$seeid) ) {  
         $newhash{'studenthidden'} = $currentstudenthidden;  
     }  
   
     &Apache::lonnet::store(\%newhash,$symb,$ENV{'request.course.id'},        &Apache::lonnet::store(\%newhash,$symb,$ENV{'request.course.id'},
                      $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},                             $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
      $ENV{'course.'.$ENV{'request.course.id'}.'.num'});     $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
   
     &redirect_back($r,&Apache::lonnet::clutter($url),        &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
        &mt('Changed discussion status').'<br />','0','0','',$ENV{'form.previous'});       '0','0','',$ENV{'form.previous'});
   } elsif (($ENV{'form.threadedon'}) || ($ENV{'form.threadedoff'})) {        return OK;
       &Apache::loncommon::content_type($r,'text/html');    } elsif ($ENV{'form.cmd'}=~/^(threadedoff|threadedon)$/) {
       $r->send_http_header;        my ($symb,$feedurl)=&get_feedurl_and_clean_symb($ENV{'form.symb'});
       if ($ENV{'form.threadedon'}) {        if ($ENV{'form.cmd'} eq 'threadedon') {
   &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});    &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
   &Apache::lonnet::appenv('environment.threadeddiscussion' => 'on');    &Apache::lonnet::appenv('environment.threadeddiscussion' => 'on');
       } else {        } else {
    &Apache::lonnet::del('environment',['threadeddiscussion']);     &Apache::lonnet::del('environment',['threadeddiscussion']);
   &Apache::lonnet::delenv('environment\.threadeddiscussion');    &Apache::lonnet::delenv('environment\.threadeddiscussion');
       }        }
       my $symb=$ENV{'form.threadedon'}?$ENV{'form.threadedon'}:$ENV{'form.threadedoff'};        &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',
       my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);       '0','0','',$ENV{'form.previous'});
       &redirect_back($r,&Apache::lonnet::clutter($url),        return OK;
      &mt('Changed discussion view mode').'<br />','0','0','',$ENV{'form.previous'});  
   } elsif ($ENV{'form.deldisc'}) {    } elsif ($ENV{'form.deldisc'}) {
 # --------------------------------------------------------------- Hide for good  # --------------------------------------------------------------- Hide for good
     &Apache::loncommon::content_type($r,'text/html');        my ($symb,$idx)=split(/\:\:\:/,$ENV{'form.deldisc'});
     $r->send_http_header;        ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
         my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
     my $entry=$ENV{'form.deldisc'};                            $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
             $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
     my ($symb,$idx)=split(/\:\:\:/,$entry);        my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");
     my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);        &Apache::lonnet::store(\%newhash,$symb,$ENV{'request.course.id'},
      $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
     my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},     $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
                      $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},        &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
      $ENV{'course.'.$ENV{'request.course.id'}.'.num'});       '0','0','',$ENV{'form.previous'});
         return OK;
           
     my $currentdeleted=$contrib{'deleted'};  
       
     $currentdeleted.='.'.$idx.'.';  
   
     my %newhash=('deleted' => $currentdeleted);  
   
     &Apache::lonnet::store(\%newhash,$symb,$ENV{'request.course.id'},  
                      $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},  
      $ENV{'course.'.$ENV{'request.course.id'}.'.num'});  
   
     &redirect_back($r,&Apache::lonnet::clutter($url),  
        &mt('Changed discussion status').'<br />','0','0','',$ENV{'form.previous'});  
   } elsif ($ENV{'form.preview'}) {    } elsif ($ENV{'form.preview'}) {
 # -------------------------------------------------------- User wants a preview  # -------------------------------------------------------- User wants a preview
       $r->content_type('text/html');  
       $r->send_http_header;  
       &show_preview($r);        &show_preview($r);
         return OK;
   } elsif ($ENV{'form.attach'}) {    } elsif ($ENV{'form.attach'}) {
 # -------------------------------------------------------- Work on attachments  # -------------------------------------------------------- Work on attachments
       &Apache::loncommon::content_type($r,'text/html');        &Apache::loncommon::content_type($r,'text/html');
       $r->send_http_header;        $r->send_http_header;
       &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','anondiscuss','discuss']);        &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','anondiscuss','discuss']);
       my @currnewattach = ();        my (@currnewattach,@currdelold,@keepold);
       my @currdelold = ();  
       my @keepold = ();  
       &process_attachments(\@currnewattach,\@currdelold,\@keepold);        &process_attachments(\@currnewattach,\@currdelold,\@keepold);
       if (exists($ENV{'form.addnewattach.filename'})) {        if (exists($ENV{'form.addnewattach.filename'})) {
           unless (length($ENV{'form.addnewattach'})>131072) {            unless (length($ENV{'form.addnewattach'})>131072) {
               my $subdir = 'feedback/'.$ENV{'form.timestamp'};                my $subdir = 'feedback/'.$ENV{'form.timestamp'};
               my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);                my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
               push @currnewattach, $newattachment;        push @currnewattach, $newattachment;
           }            }
       }        }
       my $attachmenturls = '';        my $attachmenturls;
         my ($symb) = &get_feedurl_and_clean_symb($ENV{'form.attach'});
       my $idx = $ENV{'form.idx'};        my $idx = $ENV{'form.idx'};
       my $symb = $ENV{'form.attach'};  
       if ($idx) {        if ($idx) {
           my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},            my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
                          $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},                           $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
                          $ENV{'course.'.$ENV{'request.course.id'}.'.num'});                           $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
           $attachmenturls = $contrib{$idx.':attachmenturl'};            $attachmenturls = $contrib{$idx.':attachmenturl'};
       }        }
       &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,$attachmenturls);        &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,
   } elsif ($ENV{'form.chgreads'}) {    $attachmenturls);
       &Apache::loncommon::content_type($r,'text/html');        return OK;
       $r->send_http_header;  
       my ($map,$ind,$url)=&Apache::lonnet::decode_symb($ENV{'form.chgreads'});  
       &redirect_back($r,&Apache::lonnet::clutter($url),  
        &mt('Changed read status').'<br />','0','0');  
   } elsif ($ENV{'form.export'}) {    } elsif ($ENV{'form.export'}) {
       &Apache::loncommon::content_type($r,'text/html');        &Apache::loncommon::content_type($r,'text/html');
       $r->send_http_header;        $r->send_http_header;
       my $symb=$ENV{'form.export'};        my ($symb,$feedurl) = &get_feedurl_and_clean_symb($ENV{'form.export'});
       my $mode;        my $mode='board';
       my $status='OPEN';        my $status='OPEN';
       my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);  
       my $previous=$ENV{'form.previous'};        my $previous=$ENV{'form.previous'};
       my $feedurl = &Apache::lonnet::clutter($url);  
  # backward compatibility (bulletin boards used to be 'wrapped')  
       if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {  
           $mode = 'board';  
           $feedurl=~s|^/adm/wrapper||;  
       }  
       if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library)$/) {        if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library)$/) {
           $mode='problem';            $mode='problem';
           $status=$Apache::inputtags::status[-1];            $status=$Apache::inputtags::status[-1];
Line 3168  ENDREDIR Line 3042  ENDREDIR
       return OK;        return OK;
   } else {    } else {
 # ------------------------------------------------------------- Normal feedback  # ------------------------------------------------------------- Normal feedback
   my $feedurl=$ENV{'form.postdata'};        my $feedurl=$ENV{'form.postdata'};
   $feedurl=~s/^http\:\/\///;        $feedurl=~s/^http\:\/\///;
   $feedurl=~s/^$ENV{'SERVER_NAME'}//;        $feedurl=~s/^$ENV{'SERVER_NAME'}//;
   $feedurl=~s/^$ENV{'HTTP_HOST'}//;        $feedurl=~s/^$ENV{'HTTP_HOST'}//;
   $feedurl=~s/\?.+$//;        $feedurl=~s/\?.+$//;
   
   my $symb;        my $symb;
   if ($ENV{'form.replydisc'}) {        if ($ENV{'form.replydisc'}) {
       $symb=(split(/\:\:\:/,$ENV{'form.replydisc'}))[0];    $symb=(split(/\:\:\:/,$ENV{'form.replydisc'}))[0];
       my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);    my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
       $feedurl=&Apache::lonnet::clutter($url);    $feedurl=&Apache::lonnet::clutter($url);
   } elsif ($ENV{'form.editdisc'}) {        } elsif ($ENV{'form.editdisc'}) {
       $symb=(split(/\:\:\:/,$ENV{'form.editdisc'}))[0];    $symb=(split(/\:\:\:/,$ENV{'form.editdisc'}))[0];
       my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);  
       $feedurl=&Apache::lonnet::clutter($url);  
   } elsif ($ENV{'form.origpage'}) {  
       $symb="";   
   } else {  
       $symb=&Apache::lonnet::symbread($feedurl);  
   }  
   unless ($symb) {  
       $symb=$ENV{'form.symb'};  
       if ($symb) {  
   my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);    my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
           $feedurl=&Apache::lonnet::clutter($url);    $feedurl=&Apache::lonnet::clutter($url);
         } elsif ($ENV{'form.origpage'}) {
     $symb=""; 
         } else {
     $symb=&Apache::lonnet::symbread($feedurl);
         }
         unless ($symb) {
     $symb=$ENV{'form.symb'};
     if ($symb) {
         my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
         $feedurl=&Apache::lonnet::clutter($url);
     }
         }
         &Apache::lonenc::check_decrypt(\$symb);
         my $goahead=1;
         if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form)$/) {
     unless ($symb) { $goahead=0; }
         }
         # backward compatibility (bulletin boards used to be 'wrapped')
         if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
     $feedurl=~s|^/adm/wrapper||;
         }
         if (!$goahead) {
             # Ambiguous Problem Resource
     $r->internal_redirect('/adm/ambiguous');
     return OK;
       }        }
   }  
   my $goahead=1;  
   if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form)$/) {  
       unless ($symb) { $goahead=0; }  
   }  
   # backward compatibility (bulletin boards used to be 'wrapped')  
   if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {  
       $feedurl=~s|^/adm/wrapper||;  
   }  
   if ($goahead) {  
 # Go ahead with feedback, no ambiguous reference  # Go ahead with feedback, no ambiguous reference
     &Apache::loncommon::content_type($r,'text/html');        unless (
     $r->send_http_header;    (
        ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
     if (     ) 
       (    || 
        ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)    ($ENV{'request.course.id'} && ($feedurl!~m:^/adm:))
       )     ||
       ||     ($ENV{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
       ($ENV{'request.course.id'} && ($feedurl!~m:^/adm:))    ) {
       ||    &Apache::loncommon::content_type($r,'text/html');
       ($ENV{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))    $r->send_http_header;
      ) {  # Unable to give feedback
     &no_redirect_back($r,$feedurl);
         }
 # --------------------------------------------------- Print login screen header  # --------------------------------------------------- Print login screen header
     unless ($ENV{'form.sendit'}) {        unless ($ENV{'form.sendit'}) {
       my $options=&screen_header($feedurl);    &Apache::loncommon::content_type($r,'text/html');
       if ($options) {    $r->send_http_header;
         &mail_screen($r,$feedurl,$options);    my $options=&screen_header($feedurl,$symb);
       } else {    if ($options) {
  &fail_redirect($r,$feedurl);        &mail_screen($r,$feedurl,$options);
     } else {
         &fail_redirect($r,$feedurl);
     }
     return OK;
       }        }
     } else {  
               
 # Get previous user input  # Get previous user input
       my $prevattempts=&Apache::loncommon::get_previous_attempt(        my $prevattempts=&Apache::loncommon::get_previous_attempt(
             $symb,$ENV{'user.name'},$ENV{'user.domain'},                                     $symb,$ENV{'user.name'},$ENV{'user.domain'},
             $ENV{'request.course.id'});     $ENV{'request.course.id'});
   
 # Get output from resource  # Get output from resource
       my $usersaw=&resource_output($feedurl);        my $usersaw=&resource_output($feedurl);
Line 3238  ENDREDIR Line 3122  ENDREDIR
 # Get resource answer (need to allow student to view grades for this to work)  # Get resource answer (need to allow student to view grades for this to work)
       &Apache::lonnet::appenv(('allowed.vgr'=>'F'));        &Apache::lonnet::appenv(('allowed.vgr'=>'F'));
       my $useranswer=&Apache::loncommon::get_student_answers(        my $useranswer=&Apache::loncommon::get_student_answers(
                        $symb,$ENV{'user.name'},$ENV{'user.domain'},                                     $symb,$ENV{'user.name'},$ENV{'user.domain'},
        $ENV{'request.course.id'});                     $ENV{'request.course.id'});
       &Apache::lonnet::delenv('allowed.vgr');        &Apache::lonnet::delenv('allowed.vgr');
 # Get attachments, if any, and not too large  # Get attachments, if any, and not too large
       my $attachmenturl='';        my $attachmenturl='';
       if (($ENV{'form.origpage'}) || ($ENV{'form.editdisc'}) || ($ENV{'form.replydisc'})) {        if (($ENV{'form.origpage'}) || ($ENV{'form.editdisc'}) ||
           my ($symb,$idx);    ($ENV{'form.replydisc'})) {
           if ($ENV{'form.replydisc'}) {    my ($symb,$idx);
               ($symb,$idx)=split(/\:\:\:/,$ENV{'form.replydisc'});    if ($ENV{'form.replydisc'}) {
           } elsif ($ENV{'form.editdisc'}) {        ($symb,$idx)=split(/\:\:\:/,$ENV{'form.replydisc'});
               ($symb,$idx)=split(/\:\:\:/,$ENV{'form.editdisc'});    } elsif ($ENV{'form.editdisc'}) {
           } elsif ($ENV{'form.origpage'}) {        ($symb,$idx)=split(/\:\:\:/,$ENV{'form.editdisc'});
               $symb = $ENV{'form.symb'};    } elsif ($ENV{'form.origpage'}) {
           }        $symb = $ENV{'form.symb'};
           my @currnewattach = ();    }
           my @deloldattach = ();    &Apache::lonenc::check_decrypt(\$symb);
           my @keepold = ();    my @currnewattach = ();
           &process_attachments(\@currnewattach,\@deloldattach,\@keepold);    my @deloldattach = ();
           $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;    my @keepold = ();
           $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);    &process_attachments(\@currnewattach,\@deloldattach,\@keepold);
     $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
     $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
       } elsif ($ENV{'form.attachment.filename'}) {        } elsif ($ENV{'form.attachment.filename'}) {
   unless (length($ENV{'form.attachment'})>131072) {    unless (length($ENV{'form.attachment'})>131072) {
       $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,'feedback');        $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,'feedback');
Line 3268  ENDREDIR Line 3154  ENDREDIR
   
 # Assemble email  # Assemble email
       my ($email,$citations)=&assemble_email($feedurl,$message,$prevattempts,        my ($email,$citations)=&assemble_email($feedurl,$message,$prevattempts,
           $usersaw,$useranswer);       $usersaw,$useranswer);
     
 # Who gets this?  # Who gets this?
       my ($typestyle,%to) = &decide_receiver($feedurl);        my ($typestyle,%to) = &decide_receiver($feedurl);
   
 # Actually send mail  # Actually send mail
       my ($status,$numsent)=&send_msg($feedurl,$email,$citations,        my ($status,$numsent)=&send_msg($feedurl,$email,$citations,
           $attachmenturl,%to);        $attachmenturl,%to);
   
 # Discussion? Store that.  # Discussion? Store that.
   
       my $numpost=0;        my $numpost=0;
       if ($ENV{'form.discuss'}) {        if ($ENV{'form.discuss'} || $ENV{'form.anondiscuss'}) {
           my $subject = &clear_out_html($ENV{'form.subject'});    my $subject = &clear_out_html($ENV{'form.subject'});
   $typestyle.=&adddiscuss($symb,$message,0,$attachmenturl,$subject);    my $anonmode=(defined($ENV{'form.anondiscuss'}));
   $numpost++;    $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
       }    $subject);
   
       if ($ENV{'form.anondiscuss'}) {  
           my $subject = &clear_out_html($ENV{'form.subject'});  
   $typestyle.=&adddiscuss($symb,$message,1,$attachmenturl,$subject);  
   $numpost++;    $numpost++;
       }        }
     
   
 # Receipt screen and redirect back to where came from  # Receipt screen and redirect back to where came from
       &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$status,$ENV{'form.previous'});        &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$status,$ENV{'form.previous'});
   
     }  
    } else {  
 # Unable to give feedback  
     &no_redirect_back($r,$feedurl);  
    }  
   } else {  
 # Ambiguous Problem Resource  
       if ( &Apache::lonnet::mod_perl_version() == 2 ) {  
   &Apache::lonnet::cleanenv();  
       }  
       $r->internal_redirect('/adm/ambiguous');  
   }    }
 }  
   return OK;    return OK;
 }   } 
   
   sub wrap_symb {
       my ($ressymb)=@_;
       if ($ressymb =~ /bulletin___\d+___/) {
           unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
               $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
           }
       }
       return $ressymb;
   }
   sub dewrapper {
       my ($feedurl)=@_;
       if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
           $$feedurl=~s|^/adm/wrapper||;
       }
   }
   
   sub get_feedurl {
       my ($symb)=@_;
       my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
       my $feedurl = &Apache::lonnet::clutter($url);
       &dewrapper(\$feedurl);
       return $feedurl;
   }
   
   sub get_feedurl_and_clean_symb {
       my ($symb)=@_;
       &Apache::lonenc::check_decrypt(\$symb);
   # backward compatibility (bulletin boards used to be 'wrapped')
       unless ($symb =~ m|bulletin___\d+___adm/wrapper|) {
    $symb=~s|(bulletin___\d+___)|$1adm/wrapper|;
       }
       my $feedurl = &get_feedurl($symb);
       return ($symb,$feedurl);
   }
 1;  1;
 __END__  __END__
Removed from v.1.122  
changed lines
  Added in v.1.142

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