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Diff for /loncom/interface/lonmsg.pm between versions 1.68 and 1.103

version 1.68, 2003/10/15 20:34:37 version 1.103, 2004/07/09 21:08:24
Line 25 Line 25
 #  #
 # http://www.lon-capa.org/  # http://www.lon-capa.org/
 #  #
 #  
 # (Routines to control the menu  
 #  
 # (TeX Conversion Module  
 #  
 # 05/29/00,05/30 Gerd Kortemeyer)  
 #  
 # 10/05 Gerd Kortemeyer)  
 #  
 # 10/19,10/20,10/30,  
 # 02/06/01 Gerd Kortemeyer  
 # 07/27 Guy Albertelli  
 # 07/27,07/28,07/30,08/03,08/06,08/08,08/09,08/10,8/13,8/15,  
 # 10/1,11/5 Gerd Kortemeyer  
 # YEAR=2002  
 # 1/1,3/18 Gerd Kortemeyer  
 #  
 package Apache::lonmsg;  package Apache::lonmsg;
   
 =pod  =pod
Line 89  email program, so they have full access Line 74  email program, so they have full access
 interface, or other features they may wish to use in response to the  interface, or other features they may wish to use in response to the
 student's query.  student's query.
   
   =item * B<Blocking>: LON-CAPA can block display of e-mails that are 
   sent to a student during an online exam. A course coordinator or
   instructor can set an open and close date/time for scheduled online
   exams in a course. If a user uses the LON-CAPA internal messaging 
   system to display e-mails during the scheduled blocking event,  
   display of all e-mail sent during the blocking period will be 
   suppressed, and a message of explanation, including details of the 
   currently active blocking periods will be displayed instead. A user 
   who has a course coordinator or instructor role in a course will be
   unaffected by any blocking periods for the course, unless the user
   also has a student role in the course, AND has selected the student role.
   
 =back  =back
   
 Users can ask LON-CAPA to forward messages to conventional e-mail  Users can ask LON-CAPA to forward messages to conventional e-mail
Line 116  use Apache::lontexconvert(); Line 113  use Apache::lontexconvert();
 use HTML::Entities();  use HTML::Entities();
 use Mail::Send;  use Mail::Send;
 use Apache::lonlocal;  use Apache::lonlocal;
   use Apache::loncommunicate;
   
 # Querystring component with sorting type  # Querystring component with sorting type
 my $sqs;  my $sqs;
Line 124  my $sqs; Line 122  my $sqs;
   
 sub packagemsg {  sub packagemsg {
     my ($subject,$message,$citation,$baseurl,$attachmenturl)=@_;      my ($subject,$message,$citation,$baseurl,$attachmenturl)=@_;
     $message =&HTML::Entities::encode($message);      $message =&HTML::Entities::encode($message,'<>&"');
     $citation=&HTML::Entities::encode($citation);      $citation=&HTML::Entities::encode($citation,'<>&"');
     $subject =&HTML::Entities::encode($subject);      $subject =&HTML::Entities::encode($subject,'<>&"');
     #remove machine specification      #remove machine specification
     $baseurl =~ s|^http://[^/]+/|/|;      $baseurl =~ s|^http://[^/]+/|/|;
     $baseurl =&HTML::Entities::encode($baseurl);      $baseurl =&HTML::Entities::encode($baseurl,'<>&"');
     #remove machine specification      #remove machine specification
     $attachmenturl =~ s|^http://[^/]+/|/|;      $attachmenturl =~ s|^http://[^/]+/|/|;
     $attachmenturl =&HTML::Entities::encode($attachmenturl);      $attachmenturl =&HTML::Entities::encode($attachmenturl,'<>&"');
   
     my $now=time;      my $now=time;
     $msgcount++;      $msgcount++;
Line 154  sub packagemsg { Line 152  sub packagemsg {
            '<browsermathml>'.$ENV{'browser.mathml'}.'</browsermathml>'.             '<browsermathml>'.$ENV{'browser.mathml'}.'</browsermathml>'.
    '<browserraw>'.$ENV{'HTTP_USER_AGENT'}.'</browserraw>'.     '<browserraw>'.$ENV{'HTTP_USER_AGENT'}.'</browserraw>'.
    '<courseid>'.$ENV{'request.course.id'}.'</courseid>'.     '<courseid>'.$ENV{'request.course.id'}.'</courseid>'.
      '<coursesec>'.$ENV{'request.course.sec'}.'</coursesec>'.
    '<role>'.$ENV{'request.role'}.'</role>'.     '<role>'.$ENV{'request.role'}.'</role>'.
    '<resource>'.$ENV{'request.filename'}.'</resource>'.     '<resource>'.$ENV{'request.filename'}.'</resource>'.
            '<msgid>'.$msgid.'</msgid>'.             '<msgid>'.$msgid.'</msgid>'.
Line 185  sub unpackagemsg { Line 184  sub unpackagemsg {
        }         }
     }      }
     if ($content{'attachmenturl'}) {      if ($content{'attachmenturl'}) {
        my ($fname,$ft)=($content{'attachmenturl'}=~/\/(\w+)\.(\w+)$/);         my ($fname)=($content{'attachmenturl'}=~m|/([^/]+)$|);
        if ($notoken) {         if ($notoken) {
    $content{'message'}.='<p>'.&mt('Attachment').': <tt>'.$fname.'.'.$ft.'</tt>';     $content{'message'}.='<p>'.&mt('Attachment').': <tt>'.$fname.'</tt>';
        } else {         } else {
    $content{'message'}.='<p>'.&mt('Attachment').': <a href="'.     &Apache::lonnet::allowuploaded('/adm/msg',
        &Apache::lonnet::tokenwrapper($content{'attachmenturl'}).    $content{'attachmenturl'});
        '"><tt>'.$fname.'.'.$ft.'</tt></a>';     $content{'message'}.='<p>'.&mt('Attachment').
          ': <a href="'.$content{'attachmenturl'}.'"><tt>'.
          $fname.'</tt></a>';
        }         }
     }      }
     return %content;      return %content;
Line 218  sub sendemail { Line 219  sub sendemail {
     my $msg = new Mail::Send;      my $msg = new Mail::Send;
     $msg->to($to);      $msg->to($to);
     $msg->subject('[LON-CAPA] '.$subject);      $msg->subject('[LON-CAPA] '.$subject);
     if (my $fh = $msg->open('smtp',Server => 'localhost')) {      my %oldENV=%ENV;
       undef(%ENV);
       if (my $fh = $msg->open()) {
  print $fh $body;   print $fh $body;
  $fh->close;   $fh->close;
     }      }
       %ENV=%oldENV;
       undef(%oldENV);
 }  }
   
 # ==================================================== Send notification emails  # ==================================================== Send notification emails
Line 284  sub author_res_msg { Line 289  sub author_res_msg {
     return 'no_host';      return 'no_host';
 }  }
   
   # =========================================== Retrieve author resource messages
   
   sub retrieve_author_res_msg {
       my $url=shift;
       $url=&Apache::lonnet::declutter($url);
       my ($domain,$author)=($url=~/^(\w+)\/(\w+)\//);
       my %errormsgs=&Apache::lonnet::dump('nohist_res_msgs',$domain,$author);
       my $msgs='';
       foreach (keys %errormsgs) {
    if ($_=~/^\Q$url\E\_\d+$/) {
       my %content=&unpackagemsg($errormsgs{$_});
       $msgs.='<p><img src="/adm/lonMisc/bomb.gif" /><b>'.
    $content{'time'}.'</b>: '.$content{'message'}.
    '<br /></p>';
    }
       } 
       return $msgs;     
   }
   
   
   # =============================== Delete all author messages related to one URL
   
   sub del_url_author_res_msg {
       my $url=shift;
       $url=&Apache::lonnet::declutter($url);
       my ($domain,$author)=($url=~/^(\w+)\/(\w+)\//);
       my @delmsgs=();
       foreach (&Apache::lonnet::getkeys('nohist_res_msgs',$domain,$author)) {
    if ($_=~/^\Q$url\E\_\d+$/) {
       push (@delmsgs,$_);
    }
       }
       return &Apache::lonnet::del('nohist_res_msgs',\@delmsgs,$domain,$author);
   }
   
   # ================= Return hash with URLs for which there is a resource message
   
   sub all_url_author_res_msg {
       my ($author,$domain)=@_;
       my %returnhash=();
       foreach (&Apache::lonnet::getkeys('nohist_res_msgs',$domain,$author)) {
    $_=~/^(.+)\_\d+/;
    $returnhash{$1}=1;
       }
       return %returnhash;
   }
   
 # ================================================== Critical message to a user  # ================================================== Critical message to a user
   
 sub user_crit_msg_raw {  sub user_crit_msg_raw {
Line 364  sub user_crit_received { Line 416  sub user_crit_received {
     my %contents=&unpackagemsg($message{$msgid},1);      my %contents=&unpackagemsg($message{$msgid},1);
     my $status='rec: '.($contents{'sendback'}?      my $status='rec: '.($contents{'sendback'}?
      &user_normal_msg($contents{'sendername'},$contents{'senderdomain'},       &user_normal_msg($contents{'sendername'},$contents{'senderdomain'},
                      &mt('Receipt').': '.$ENV{'user.name'}.' at '.$ENV{'user.domain'},                       &mt('Receipt').': '.$ENV{'user.name'}.' '.&mt('at').' '.$ENV{'user.domain'}.', '.$contents{'subject'},
                      &mt('User').' '.$ENV{'user.name'}.' '.&mt('at').' '.$ENV{'user.domain'}.                       &mt('User').' '.$ENV{'user.name'}.' '.&mt('at').' '.$ENV{'user.domain'}.
                      ' acknowledged receipt of message'."\n".'   "'.                       ' acknowledged receipt of message'."\n".'   "'.
                      $contents{'subject'}.'"'."\n".&mt('dated').' '.                       $contents{'subject'}.'"'."\n".&mt('dated').' '.
Line 475  sub discourse { Line 527  sub discourse {
             'cfs' => 'Check for Section/Group',              'cfs' => 'Check for Section/Group',
             'cfn' => 'Check for None');              'cfn' => 'Check for None');
     $r->print(<<ENDDISHEADER);      $r->print(<<ENDDISHEADER);
 <input type=hidden name=sendmode value=group>  <input type="hidden" name="sendmode" value="group" />
 <script>  <script>
     function checkall() {      function checkall() {
  for (i=0; i<document.forms.compemail.elements.length; i++) {   for (i=0; i<document.forms.compemail.elements.length; i++) {
Line 505  sub discourse { Line 557  sub discourse {
         }          }
     }      }
 </script>  </script>
 <input type=button onClick="checkall()" value="$lt{'cfa'}">&nbsp;  <input type="button" onClick="checkall()" value="$lt{'cfa'}" />&nbsp;
 <input type=button onClick="checksec()" value="$lt{'cfs'}">  <input type="button" onClick="checksec()" value="$lt{'cfs'}" />
 <input type=text size=5 name=chksec>&nbsp;  <input type="text" size="5" name=chksec />&nbsp;
 <input type=button onClick="uncheckall()" value="$lt{'cfn'}">  <input type="button" onClick="uncheckall()" value="$lt{'cfn'}" />
 <p>  <p>
 ENDDISHEADER  ENDDISHEADER
     my %coursepersonnel=      my %coursepersonnel=
Line 567  $content{'sendername'}.'@'. Line 619  $content{'sendername'}.'@'.
             '<br>'.&mt('Subject').': '.$content{'subject'}.              '<br>'.&mt('Subject').': '.$content{'subject'}.
             '<br><blockquote>'.              '<br><blockquote>'.
               &Apache::lontexconvert::msgtexconverted($content{'message'}).                &Apache::lontexconvert::msgtexconverted($content{'message'}).
             '</blockquote>'.              '</blockquote><small>'.
   &mt('You have to confirm that you received this message. After confirmation, this message will be moved to your regular inbox').
               '</small><br />'.
             '<input type=submit name="rec_'.$_.'" value="'.&mt('Confirm Receipt').'">'.              '<input type=submit name="rec_'.$_.'" value="'.&mt('Confirm Receipt').'">'.
             '<input type=submit name="reprec_'.$_.'" '.              '<input type=submit name="reprec_'.$_.'" '.
                   'value="'.&mt('Confirm Receipt and Reply').'">';                    'value="'.&mt('Confirm Receipt and Reply').'">';
Line 583  $content{'sendername'}.'@'. Line 637  $content{'sendername'}.'@'.
     $r->print('<input type=hidden name="displayedcrit" value="true"></form>');      $r->print('<input type=hidden name="displayedcrit" value="true"></form>');
 }  }
   
 # =============================================================== Compose reply  
   
 sub comprep {  
     my ($r,$msgid)=@_;  
       my %message=&Apache::lonnet::get('nohist_email',[$msgid]);  
       my %content=&unpackagemsg($message{$msgid},1);  
       my $quotemsg='> '.$content{'message'};  
       $quotemsg=~s/\r/\n/g;  
       $quotemsg=~s/\f/\n/g;  
       $quotemsg=~s/\n+/\n\> /g;  
       my $torepl=&Apache::loncommon::aboutmewrapper(  
  &Apache::loncommon::plainname($content{'sendername'},$content{'senderdomain'}),$content{'sendername'},$content{'senderdomain'}).' ('.  
 $content{'sendername'}.'@'.  
             $content{'senderdomain'}.')';  
       my $subject=&mt('Re').': '.$content{'subject'};  
       my $dispcrit='';  
       if (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) {  
  my $crithelp = Apache::loncommon::help_open_topic("Course_Critical_Message");  
          $dispcrit=  
  '<input type=checkbox name=critmsg> '.&mt('Send as critical message').' ' . $crithelp .   
  '<br>'.  
  '<input type=checkbox name=sendbck> '.&mt('Send as critical message').' ' .  
  &mt('and return receipt') . $crithelp . '<p>';  
       }  
       $r->print(<<"ENDREPLY");  
 <form action="/adm/email" method=post>  
 <input type=hidden name=sendreply value="$msgid">  
 To: $torepl<br />  
 Subject: <input type=text size=50 name=subject value="$subject"><p>  
 <textarea name=message cols=84 rows=10 wrap=hard>  
 $quotemsg  
 </textarea><p>  
 $dispcrit  
 <input type=submit value="Send Reply">  
 </form>  
 ENDREPLY  
 }  
   
 sub sortedmessages {  sub sortedmessages {
       my ($blocked,$startblock,$endblock,$numblocked) = @_;
     my @messages = &Apache::lonnet::getkeys('nohist_email');      my @messages = &Apache::lonnet::getkeys('nohist_email');
     #unpack the varibles and repack into temp for sorting      #unpack the varibles and repack into temp for sorting
     my @temp;      my @temp;
Line 631  sub sortedmessages { Line 648  sub sortedmessages {
     &Apache::lonmsg::unpackmsgid($msgid);      &Apache::lonmsg::unpackmsgid($msgid);
  my @temp1 = ($sendtime,$shortsubj,$fromname,$fromdomain,$status,   my @temp1 = ($sendtime,$shortsubj,$fromname,$fromdomain,$status,
      $msgid);       $msgid);
  push @temp ,\@temp1;          # Check whether message was sent during blocking period.
           if ($sendtime >= $startblock && ($sendtime <= $endblock && $endblock > 0) ) {
               my $escid = &Apache::lonnet::unescape($msgid);
               $$blocked{$escid} = 'ON';
               $$numblocked ++;
           } else { 
               push @temp ,\@temp1;
           }
     }      }
     #default sort      #default sort
     @temp = sort  {$a->[0] <=> $b->[0]} @temp;          @temp = sort  {$a->[0] <=> $b->[0]} @temp;    
Line 672  sub sortedmessages { Line 696  sub sortedmessages {
   
 sub disall {  sub disall {
     my $r=shift;      my $r=shift;
      $r->print(<<ENDDISHEADER);      my %blocked = ();
       my %setters = ();
       my $startblock;
       my $endblock;
       my $numblocked = 0;
       &blockcheck(\%setters,\$startblock,\$endblock);
       $r->print(<<ENDDISHEADER);
 <script>  <script>
     function checkall() {      function checkall() {
  for (i=0; i<document.forms.disall.elements.length; i++) {   for (i=0; i<document.forms.disall.elements.length; i++) {
Line 726  ENDDISHEADER Line 756  ENDDISHEADER
       $r->print('<a href = "?sortedby=revstatus">'.&mt('Status').'</th>');        $r->print('<a href = "?sortedby=revstatus">'.&mt('Status').'</th>');
     }      }
     $r->print('</tr>');      $r->print('</tr>');
     my @temp=sortedmessages();      my @temp=sortedmessages(\%blocked,$startblock,$endblock,\$numblocked);
     foreach (@temp){      foreach (@temp){
  my ($sendtime,$shortsubj,$fromname,$fromdomain,$status,$origID)= @$_;   my ($sendtime,$shortsubj,$fromname,$fromdomain,$status,$origID)= @$_;
  if (($status ne 'deleted') && defined($sendtime) && $sendtime!~/error/) {   if (($status ne 'deleted') && defined($sendtime) && $sendtime!~/error/) {
Line 741  ENDDISHEADER Line 771  ENDDISHEADER
     }      }
     $r->print('<td><a href="/adm/email?display='.$origID.$sqs.       $r->print('<td><a href="/adm/email?display='.$origID.$sqs. 
       '">'.&mt('Open').'</a></td><td><a href="/adm/email?markdel='.$origID.$sqs.        '">'.&mt('Open').'</a></td><td><a href="/adm/email?markdel='.$origID.$sqs.
       '">'.&mt('Delete').'</a><input type=checkbox name="delmark_'.$origID.'"></td>'.        '">'.&mt('Delete').'</a><input type=checkbox name="delmark_'.$origID.'" /></td>'.
       '<td>'.&Apache::lonlocal::locallocaltime($sendtime).'</td><td>'.        '<td>'.&Apache::lonlocal::locallocaltime($sendtime).'</td><td>'.
       $fromname.'</td><td>'.$fromdomain.'</td><td>'.        $fromname.'</td><td>'.$fromdomain.'</td><td>'.
       &Apache::lonnet::unescape($shortsubj).'</td><td>'.        &Apache::lonnet::unescape($shortsubj).'</td><td>'.
Line 752  ENDDISHEADER Line 782  ENDDISHEADER
               '<a href="javascript:checkall()">'.&mt('Check All').'</a>&nbsp;'.                '<a href="javascript:checkall()">'.&mt('Check All').'</a>&nbsp;'.
               '<a href="javascript:uncheckall()">'.&mt('Uncheck All').'</a><p>'.                '<a href="javascript:uncheckall()">'.&mt('Uncheck All').'</a><p>'.
       '<input type="hidden" name="sortedby" value="'.$ENV{'form.sortedby'}.'" />'.        '<input type="hidden" name="sortedby" value="'.$ENV{'form.sortedby'}.'" />'.
               '<input type=submit name="markeddel" value="'.&mt('Delete Checked').'">'.                '<input type="submit" name="markeddel" value="'.&mt('Delete Checked').'" />'.
               '</form></body></html>');                '</form>');
       if ($numblocked > 0) {
           my $beginblock = &Apache::lonlocal::locallocaltime($startblock);
           my $finishblock = &Apache::lonlocal::locallocaltime($endblock);
           $r->print('<br /><br />'.
                     $numblocked.' '.&mt('message(s) is/are not viewable because display of LON-CAPA messages sent to you by other students between').' '.$beginblock.' '.&mt('and').' '.$finishblock.' '.&mt('is currently being blocked because of online exams.'));
           &build_block_table($r,$startblock,$endblock,\%setters);
       }
       $r->print('</body></html>');
 }  }
   
 # ============================================================== Compose output  # ============================================================== Compose output
   
 sub compout {  sub compout {
     my ($r,$forwarding,$broadcast)=@_;      my ($r,$forwarding,$replying,$broadcast,$replycrit)=@_;
       my $dispcrit='';  
       if ($broadcast eq 'individual') {
    &printheader($r,'/adm/email?compose=individual',
        'Send a Message');
       } elsif ($broadcast) {
    &printheader($r,'/adm/email?compose=group',
        'Broadcast Message');
       } elsif ($forwarding) {
    &Apache::lonhtmlcommon::add_breadcrumb
           ({href=>"/adm/email?display=".&Apache::lonnet::escape($forwarding),
             text=>"Display Message"});
    &printheader($r,'/adm/email?forward='.&Apache::lonnet::escape($forwarding),
        'Forwarding a Message');
       } elsif ($replying) {
    &Apache::lonhtmlcommon::add_breadcrumb
           ({href=>"/adm/email?display=".&Apache::lonnet::escape($replying),
             text=>"Display Message"});
    &printheader($r,'/adm/email?replyto='.&Apache::lonnet::escape($replying),
        'Replying to a Message');
       } elsif ($replycrit) {
    $r->print('<h3>'.&mt('Replying to a Critical Message').'</h3>');
    $replying=$replycrit;
       } else {
    &printheader($r,'/adm/email?compose=upload',
        'Distribute from Uploaded File');
       }
   
       my $dispcrit='';
     my $dissub='';      my $dissub='';
     my $dismsg='';      my $dismsg='';
     my $func=&mt('Send New');      my $func=&mt('Send New');
       if (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) {      my %lt=&Apache::lonlocal::texthash('us' => 'Username',
          'do' => 'Domain',
          'ad' => 'Additional Recipients',
          'sb' => 'Subject',
          'ca' => 'Cancel',
          'ma' => 'Mail');
   
       if (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) {
  my $crithelp = Apache::loncommon::help_open_topic("Course_Critical_Message");   my $crithelp = Apache::loncommon::help_open_topic("Course_Critical_Message");
          $dispcrit=           $dispcrit=
  '<input type=checkbox name=critmsg> '.&mt('Send as critical message').' ' . $crithelp .    '<input type="checkbox" name="critmsg" /> '.&mt('Send as critical message').' ' . $crithelp . 
  '<br>'.   '<br>'.
  '<input type=checkbox name=sendbck> '.&mt('Send as critical message').'  ' .   '<input type="checkbox" name="sendbck" /> '.&mt('Send as critical message').'  ' .
  &mt('and return receipt') . $crithelp . '<p>';   &mt('and return receipt') . $crithelp . '<p>';
       }       }
       my %message;
       my %content;
       my $defdom=$ENV{'user.domain'};
     if ($forwarding) {      if ($forwarding) {
        $dispcrit.='<input type=hidden name=forwid value="'.   %message=&Apache::lonnet::get('nohist_email',[$forwarding]);
    $forwarding.'">';   %content=&unpackagemsg($message{$forwarding});
        $func=&mt('Forward');   $dispcrit.='<input type="hidden" name="forwid" value="'.
       my %message=&Apache::lonnet::get('nohist_email',[$forwarding]);      $forwarding.'" />';
       my %content=&unpackagemsg($message{$forwarding});   $func=&mt('Forward');
   
        $dissub=&mt('Forwarding').': '.$content{'subject'};   $dissub=&mt('Forwarding').': '.$content{'subject'};
        $dismsg=&mt('Forwarded message from').' '.   $dismsg=&mt('Forwarded message from').' '.
    $content{'sendername'}.' '.&mt('at').' '.$content{'senderdomain'};      $content{'sendername'}.' '.&mt('at').' '.$content{'senderdomain'};
       }
       if ($replying) {
    %message=&Apache::lonnet::get('nohist_email',[$replying]);
    %content=&unpackagemsg($message{$replying});
    $dispcrit.='<input type="hidden" name="forwid" value="'.
       $forwarding.'" />';
    $func=&mt('Replying to');
   
    $dissub=&mt('Reply').': '.$content{'subject'};       
    $dismsg='> '.$content{'message'};
    $dismsg=~s/\r/\n/g;
    $dismsg=~s/\f/\n/g;
    $dismsg=~s/\n+/\n\> /g;
     }      }
     my $defdom=$ENV{'user.domain'};  
     if ($ENV{'form.recdom'}) { $defdom=$ENV{'form.recdom'}; }      if ($ENV{'form.recdom'}) { $defdom=$ENV{'form.recdom'}; }
       $r->print(        $r->print(
                 '<form action="/adm/email"  name="compemail" method="post"'.                  '<form action="/adm/email"  name="compemail" method="post"'.
                 ' enctype="multipart/form-data">'."\n".                  ' enctype="multipart/form-data">'."\n".
                 '<input type="hidden" name="sendmail" value="on">'."\n".                  '<input type="hidden" name="sendmail" value="on" />'."\n".
                 '<table>');                  '<table>');
     unless (($broadcast eq 'group') || ($broadcast eq 'upload')) {      unless (($broadcast eq 'group') || ($broadcast eq 'upload')) {
         my $domform = &Apache::loncommon::select_dom_form($defdom,'recdomain');   if ($replying) {
         my $selectlink=&Apache::loncommon::selectstudent_link      $r->print('<tr><td colspan="2">'.&mt('Replying to').' '.
         &Apache::loncommon::aboutmewrapper(
    &Apache::loncommon::plainname($content{'sendername'},$content{'senderdomain'}),$content{'sendername'},$content{'senderdomain'}).' ('.
         $content{'sendername'}.'@'.
         $content{'senderdomain'}.')'.
         '<input type="hidden" name="recuname" value="'.$content{'sendername'}.'" />'.
         '<input type="hidden" name="recdomain" value="'.$content{'senderdomain'}.'" />'.
         '</td></tr>');
    } else {
       my $domform = &Apache::loncommon::select_dom_form($defdom,'recdomain');
       my $selectlink=&Apache::loncommon::selectstudent_link
     ('compemail','recuname','recdomain');      ('compemail','recuname','recdomain');
        $r->print(<<"ENDREC");      $r->print(<<"ENDREC");
 <table>  <tr><td>$lt{'us'}:</td><td><input type="text" size="12" name="recuname" value="$ENV{'form.recname'}"></td><td rowspan="2">$selectlink</td></tr>
 <tr><td>Username:</td><td><input type=text size=12 name=recuname value="$ENV{'form.recname'}"></td><td rowspan="2">$selectlink</td></tr>  <tr><td>$lt{'do'}:</td>
 <tr><td>Domain:</td>  
 <td>$domform</td></tr>  <td>$domform</td></tr>
 ENDREC  ENDREC
           }
     }      }
     my $latexHelp = Apache::loncommon::helpLatexCheatsheet();      my $latexHelp = Apache::loncommon::helpLatexCheatsheet();
     if ($broadcast ne 'upload') {      if ($broadcast ne 'upload') {
        $r->print(<<"ENDCOMP");         $r->print(<<"ENDCOMP");
 <tr><td>Additional Recipients<br><tt>username\@domain,username\@domain, ...  <tr><td>$lt{'ad'}<br /><tt>username\@domain,username\@domain, ...
 </tt></td><td>  </tt></td><td>
 <input type=text size=50 name=additionalrec></td></tr>  <input type="text" size="50" name="additionalrec" /></td></tr>
 <tr><td>Subject:</td><td><input type=text size=50 name=subject value="$dissub">  <tr><td>$lt{'sb'}:</td><td><input type="text" size="50" name="subject" value="$dissub" />
 </td></tr></table>  </td></tr></table>
 $latexHelp  $latexHelp
 <textarea name=message cols=80 rows=10 wrap=hard>$dismsg  <textarea name="message" cols="80" rows="15" wrap="hard">$dismsg
 </textarea><p>  </textarea></p><br />
 $dispcrit  $dispcrit
 <input type=submit value="$func Mail">  <input type="submit" name="send" value="$func $lt{'ma'}" />
   <input type="submit" name="cancel" value="$lt{'ca'}" />
 ENDCOMP  ENDCOMP
     } else { # $broadcast is 'upload'      } else { # $broadcast is 'upload'
  $r->print(<<ENDUPLOAD);   $r->print(<<ENDUPLOAD);
 <input type=hidden name=sendmode value=upload>  <input type="hidden" name="sendmode" value="upload" />
   <input type="hidden" name="send" value="on" />
 <h3>Generate messages from a file</h3>  <h3>Generate messages from a file</h3>
 <p>  <p>
 Subject: <input type=text size=50 name=subject>  Subject: <input type="text" size="50" name="subject" />
 </p>  </p>
 <p>General message text<br />  <p>General message text<br />
 <textarea name=message cols=60 rows=10 wrap=hard>$dismsg  <textarea name="message" cols="60" rows="10" wrap="hard">$dismsg
 </textarea></p>  </textarea></p>
 <p>  <p>
 The file format for the uploaded portion of the message is:  The file format for the uploaded portion of the message is:
Line 837  username3\@domain1: text Line 936  username3\@domain1: text
 The messages will be assembled from all lines with the respective   The messages will be assembled from all lines with the respective 
 <tt>username\@domain</tt>, and appended to the general message text.</p>  <tt>username\@domain</tt>, and appended to the general message text.</p>
 <p>  <p>
 <input type=file name=upfile size=20><p>  <input type="file" name="upfile" size="40" /></p><p>
 $dispcrit  $dispcrit
 <input type=submit value="Upload and send">  <input type="submit" value="Upload and Send" /></p>
 ENDUPLOAD  ENDUPLOAD
     }      }
     if ($broadcast eq 'group') {      if ($broadcast eq 'group') {
Line 852  ENDUPLOAD Line 951  ENDUPLOAD
   
 sub disfacetoface {  sub disfacetoface {
     my ($r,$user,$domain)=@_;      my ($r,$user,$domain)=@_;
       my $target=$ENV{'form.grade_target'};
     unless ($ENV{'request.course.id'}) { return; }      unless ($ENV{'request.course.id'}) { return; }
     unless (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) {      unless (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) {
  return;   return;
Line 866  sub disfacetoface { Line 966  sub disfacetoface {
         next if ($content{'senderdomain'} eq '');          next if ($content{'senderdomain'} eq '');
         $content{'message'}=~s/\n/\<br\>/g;          $content{'message'}=~s/\n/\<br\>/g;
         if ($content{'subject'}=~/^Record/) {          if ($content{'subject'}=~/^Record/) {
     $result.='<h3>Record</h3>';      $result.='<h3>'.&mt('Record').'</h3>';
           } elsif ($content{'subject'}=~/^Broadcast/) {
               $result .='<h3>'.&mt('Broadcast Message').'</h3>';
         } else {          } else {
             $result.='<h3>Sent Message</h3>';              $result.='<h3>'.&mt('Critical Message').'</h3>';
             %content=&unpackagemsg($content{'message'});              %content=&unpackagemsg($content{'message'});
             $content{'message'}=              $content{'message'}=
                 '<b>Subject: '.$content{'subject'}.'</b><br />'.                  '<b>'.&mt('Subject').': '.$content{'subject'}.'</b><br />'.
  $content{'message'};   $content{'message'};
         }          }
         $result.='By: <b>'.          $result.=&mt('By').': <b>'.
 &Apache::loncommon::aboutmewrapper(  &Apache::loncommon::aboutmewrapper(
  &Apache::loncommon::plainname($content{'sendername'},$content{'senderdomain'}),$content{'sendername'},$content{'senderdomain'}).'</b> ('.   &Apache::loncommon::plainname($content{'sendername'},$content{'senderdomain'}),$content{'sendername'},$content{'senderdomain'}).'</b> ('.
 $content{'sendername'}.'@'.  $content{'sendername'}.'@'.
             $content{'senderdomain'}.') '.$content{'time'}.              $content{'senderdomain'}.') '.$content{'time'}.
             '<br><blockquote>'.              '<br /><blockquote>'.
               &Apache::lontexconvert::msgtexconverted($content{'message'}).                &Apache::lontexconvert::msgtexconverted($content{'message'}).
       '</blockquote>';        '</blockquote>';
      }       }
     # Check to see if there were any messages.      # Check to see if there were any messages.
     if ($result eq '') {      if ($result eq '') {
         $r->print("<p><b>No notes, face-to-face discussion records, or critical messages in this course.</b></p>");   if ($target ne 'tex') { 
       $r->print("<p><b>".&mt("No notes, face-to-face discussion records, critical messages, or broadcast messages in this course.")."</b></p>");
    } else {
       $r->print('\textbf{'.&mt("No notes, face-to-face discussion records, critical messages or broadcast messages in this course.").'}\\\\');
    }
     } else {      } else {
        $r->print($result);         $r->print($result);
     }      }
Line 898  sub facetoface { Line 1004  sub facetoface {
     unless (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) {      unless (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) {
  return;   return;
     }      }
       &printheader($r,
    '/adm/email?recordftf=query',
    "User Notes, Face-to-Face, Critical Messages, Broadcast Messages");
 # from query string  # from query string
   
     if ($ENV{'form.recname'}) { $ENV{'form.recuname'}=$ENV{'form.recname'}; }      if ($ENV{'form.recname'}) { $ENV{'form.recuname'}=$ENV{'form.recname'}; }
     if ($ENV{'form.recdom'}) { $ENV{'form.recdomain'}=$ENV{'form.recdom'}; }      if ($ENV{'form.recdom'}) { $ENV{'form.recdomain'}=$ENV{'form.recdom'}; }
   
Line 909  sub facetoface { Line 1019  sub facetoface {
     my $domform = &Apache::loncommon::select_dom_form($defdom,'recdomain');      my $domform = &Apache::loncommon::select_dom_form($defdom,'recdomain');
     my $stdbrws = &Apache::loncommon::selectstudent_link      my $stdbrws = &Apache::loncommon::selectstudent_link
  ('stdselect','recuname','recdomain');   ('stdselect','recuname','recdomain');
       my %lt=&Apache::lonlocal::texthash('user' => 'Username',
          'dom' => 'Domain',
          'head' => 'User Notes, Records of Face-To-Face Discussions, Critical Messages, and Broadcast Messages in Course',
          'subm' => 'Retrieve discussion and message records',
          'newr' => 'New Record (record is visible to course faculty and staff)',
          'post' => 'Post this Record');
     $r->print(<<"ENDTREC");      $r->print(<<"ENDTREC");
 <h3>User Notes, Records of Face-To-Face Discussions, and Critical Messages in Course</h3>  <h3>$lt{'head'}</h3>
 <form method="post" action="/adm/email" name="stdselect">  <form method="post" action="/adm/email" name="stdselect">
 <input type="hidden" name="recordftf" value="retrieve" />  <input type="hidden" name="recordftf" value="retrieve" />
 <table>  <table>
 <tr><td>Username:</td><td><input type=text size=12 name=recuname value="$ENV{'form.recuname'}"></td>  <tr><td>$lt{'user'}:</td><td><input type="text" size="12" name="recuname" value="$ENV{'form.recuname'}" /></td>
 <td rowspan="2">  <td rowspan="2">
 $stdbrws  $stdbrws
 <input type="submit" value="Retrieve discussion and message records"></td>  <input type="submit" value="$lt{'subm'}" /></td>
 </tr>  </tr>
 <tr><td>Domain:</td>  <tr><td>$lt{'dom'}:</td>
 <td>$domform</td></tr>  <td>$domform</td></tr>
 </table>  </table>
 </form>  </form>
Line 931  ENDTREC Line 1047  ENDTREC
            &user_normal_msg_raw(             &user_normal_msg_raw(
             $ENV{'course.'.$ENV{'request.course.id'}.'.num'},              $ENV{'course.'.$ENV{'request.course.id'}.'.num'},
             $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},              $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
             'Record ['.$ENV{'form.recuname'}.':'.$ENV{'form.recdomain'}.']',              &mt('Record').
        ' ['.$ENV{'form.recuname'}.':'.$ENV{'form.recdomain'}.']',
     $ENV{'form.newrecord'});      $ENV{'form.newrecord'});
         }          }
         $r->print('<h3>'.&Apache::loncommon::plainname($ENV{'form.recuname'},          $r->print('<h3>'.&Apache::loncommon::plainname($ENV{'form.recuname'},
Line 943  ENDTREC Line 1060  ENDTREC
 <input name="recuname" value="$ENV{'form.recuname'}" type="hidden" />  <input name="recuname" value="$ENV{'form.recuname'}" type="hidden" />
 ENDRHEAD  ENDRHEAD
         $r->print(<<ENDBFORM);          $r->print(<<ENDBFORM);
 <hr />New Record (record is visible to course faculty and staff)<br />  <hr />$lt{'newr'}<br />
 <textarea name="newrecord" cols="80" rows="10" wrap="hard"></textarea>  <textarea name="newrecord" cols="80" rows="10" wrap="hard"></textarea>
 <br />  <br />
 <input type="hidden" name="recordftf" value="post" />  <input type="hidden" name="recordftf" value="post" />
 <input type="submit" value="Post this record" />  <input type="submit" value="$lt{'post'}" />
 </form>  </form>
 ENDBFORM  ENDBFORM
     }      }
 }  }
   
   # ----------------------------------------------------------- Blocking during exams
   
   sub examblock {
       my ($r,$action) = @_;
       unless ($ENV{'request.course.id'}) { return;}
       unless (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) { $r->print('Not allowed'); }
       my %lt=&Apache::lonlocal::texthash(
               'comb' => 'Communication Blocking',
               'cbds' => 'Communication blocking during scheduled exams',
               'desc' => 'You can use communication blocking to prevent students enrolled in this course from displaying LON-CAPA messages sent by other students during an online exam. As blocking of communication could potentially interrupt legitimate communication between students who are also both enrolled in a different LON-CAPA course, please be careful that you select the correct start and end times for your scheduled exam when setting or modifying these parameters.',
                'mecb' => 'Modify existing communication blocking periods',
                'ncbc' => 'No communication blocks currently stored'
       );
   
       my %ltext = &Apache::lonlocal::texthash(
               'dura' => 'Duration',
               'setb' => 'Set by',
               'even' => 'Event',
               'actn' => 'Action',
               'star' => 'Start',
               'endd' => 'End'
       );
   
       &printheader($r,'/adm/email?block=display',$lt{'comb'});
       $r->print('<h3>'.$lt{'cbds'}.'</h3>');
   
       if ($action eq 'store') {
           &blockstore($r);
       }
   
       $r->print($lt{'desc'}.'<br /><br />
                  <form name="blockform" method="post" action="/adm/email?block=store">
                ');
   
       $r->print('<h4>'.$lt{'mecb'}.'</h4>');
       my %records = ();
       my $blockcount = 0;
       my $parmcount = 0;
       &get_blockdates(\%records,\$blockcount);
       if ($blockcount > 0) {
           $parmcount = &display_blocker_status($r,\%records,\%ltext);
       } else {
           $r->print($lt{'ncbc'}.'<br /><br />');
       }
       &display_addblocker_table($r,$parmcount,\%ltext);
       $r->print(<<"END");
   <br />
   <input type="hidden" name="blocktotal" value="$blockcount" />
   <input type ="submit" value="Save Changes" />
   </form>
   </body>
   </html>
   END
       return;
   }
   
   sub blockstore {
       my $r = shift;
       my %lt=&Apache::lonlocal::texthash(
               'tfcm' => 'The following changes were made',
               'cbps' => 'communication blocking period(s)',
               'werm' => 'was/were removed',
               'wemo' => 'was/were modified',
               'wead' => 'was/were added',
               'ncwm' => 'No changes were made.' 
       );
       my %adds = ();
       my %removals = ();
       my %cancels = ();
       my $modtotal = 0;
       my $canceltotal = 0;
       my $addtotal = 0;
       my %blocking = ();
       $r->print('<h3>'.$lt{'head'}.'</h3>');
       foreach (keys %ENV) {
           if ($_ =~ m/^form\.modify_(\w+)$/) {
               $adds{$1} = $1;
               $removals{$1} = $1;
               $modtotal ++;
           } elsif ($_ =~ m/^form\.cancel_(\d+)$/) {
               $cancels{$1} = $1;
               unless ( defined($removals{$1}) ) {
                   $removals{$1} = $1;
                   $canceltotal ++;
               }
           } elsif ($_ =~ m/^form\.add_(\d+)$/) {
               $adds{$1} = $1;
               $addtotal ++;
           }
       }
   
       foreach (keys %removals) {
           my $hashkey = $ENV{'form.key_'.$_};
           &Apache::lonnet::del('comm_block',["$hashkey"],
                            $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
                            $ENV{'course.'.$ENV{'request.course.id'}.'.num'}
                            );
       }
       foreach (keys %adds) {
           unless ( defined($cancels{$_}) ) {
               my ($newstart,$newend) = &get_dates_from_form($_);
               my $newkey = $newstart.'____'.$newend;
               $blocking{$newkey} = $ENV{'user.name'}.'@'.$ENV{'user.domain'}.':'.$ENV{'form.title_'.$_};
           }
       }
       if ($addtotal + $modtotal > 0) {
           &Apache::lonnet::put('comm_block',\%blocking,
                        $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
                        $ENV{'course.'.$ENV{'request.course.id'}.'.num'}
                        );
       }
       my $chgestotal = $canceltotal + $modtotal + $addtotal;
       if ($chgestotal > 0) {
           $r->print($lt{'tfcm'}.'<ul>');
           if ($canceltotal > 0) {
               $r->print('<li>'.$canceltotal.' '.$lt{'cbps'},' '.$lt{'werm'}.'</li>');
           }
           if ($modtotal > 0) {
               $r->print('<li>'.$modtotal.' '.$lt{'cbps'},' '.$lt{'wemo'}.'</li>');
           }
           if ($addtotal > 0) {
               $r->print('<li>'.$addtotal.' '.$lt{'cbps'},' '.$lt{'wead'}.'</li>');
           }
           $r->print('</ul>');
       } else {
           $r->print($lt{'ncwm'});
       }
       $r->print('<br />');
       return;
   }
   
   sub get_dates_from_form {
       my $item = shift;
       my $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate_'.$item);
       my $enddate   = &Apache::lonhtmlcommon::get_date_from_form('enddate_'.$item);
       return ($startdate,$enddate);
   }
   
   sub get_blockdates {
       my ($records,$blockcount) = @_;
       $$blockcount = 0;
       %{$records} = &Apache::lonnet::dump('comm_block',
                            $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
                            $ENV{'course.'.$ENV{'request.course.id'}.'.num'}
                            );
       $$blockcount = keys %{$records};
                                                                                                                
       foreach (keys %{$records}) {
           if ($_ eq 'error: 2 tie(GDBM) Failed while attempting dump') {
               $$blockcount = 0;
               last;
           }
       }
   }
   
   sub display_blocker_status {
       my ($r,$records,$ltext) = @_;
       my $parmcount = 0;
       my @bgcols = ("#eeeeee","#dddddd");
       my $function = &Apache::loncommon::get_users_function();
       my $color = &Apache::loncommon::designparm($function.'.tabbg',
                                                       $ENV{'user.domain'});
       my %lt = &Apache::lonlocal::texthash(
           'modi' => 'Modify',
           'canc' => 'Cancel',
       );
       $r->print(<<"END");
   <table border="0" cellpadding="0" cellspacing="0">
    <tr>
     <td width="100%" bgcolor="#000000">
      <table width="100%" border="0" cellpadding="1" cellspacing="0">
       <tr>
        <td width="100%" bgcolor="#000000">
         <table border="0" cellpadding="3" cellspacing="3" bgcolor="#FFFFFF">
          <tr bgcolor="$color">
           <td><b>$$ltext{'dura'}</b></td>
           <td><b>$$ltext{'setb'}</b></td>
           <td><b>$$ltext{'even'}</b></td>
           <td><b>$$ltext{'actn'}?</b></td>
          </tr>
   END
       foreach (sort keys %{$records}) {
           my $iter = $parmcount%2;
           my $onchange = 'onFocus="javascript:window.document.forms['.
                          "'blockform'].elements['modify_".$parmcount."'].".
                          'checked=true;"';
           my ($start,$end) = split/____/,$_;
           my $startform = &Apache::lonhtmlcommon::date_setter('blockform','startdate_'.$parmcount,$start,$onchange);
           my $endform = &Apache::lonhtmlcommon::date_setter('blockform','enddate_'.$parmcount,$end,$onchange);
           my ($setter,$title) = split/:/,$$records{$_};
           my ($setuname,$setudom) = split/@/,$setter;
           my $settername = &Apache::loncommon::plainname($setuname,$setudom);
           $r->print(<<"END");
          <tr bgcolor="$bgcols[$iter]">
           <td>$$ltext{'star'}:&nbsp;$startform<br/>$$ltext{'endd'}:&nbsp;&nbsp;$endform</td>
           <td>$settername</td>
           <td><input type="text" name="title_$parmcount" size="15" value="$title"/><input type="hidden" name="key_$parmcount" value="$_"></td>
           <td>$lt{'modi'}?&nbsp;<input type="checkbox" name="modify_$parmcount"/><br />$lt{'canc'}?&nbsp;&nbsp;<input type="checkbox" name="cancel_$parmcount"/>
          </tr>
   END
           $parmcount ++;
       }
       $r->print(<<"END");
         </table>
        </td>
       </tr>
      </table>
     </td>
    </tr>
   </table>
   <br />
   <br />
   END
       return $parmcount;
   }
   
   sub display_addblocker_table {
       my ($r,$parmcount,$ltext) = @_;
       my $start = time;
       my $end = $start + (60 * 60 * 2); #Default is an exam of 2 hours duration.
       my $onchange = 'onFocus="javascript:window.document.forms['.
                      "'blockform'].elements['add_".$parmcount."'].".
                      'checked=true;"';
       my $startform = &Apache::lonhtmlcommon::date_setter('blockform','startdate_'.$parmcount,$start,$onchange);
       my $endform = &Apache::lonhtmlcommon::date_setter('blockform','enddate_'.$parmcount,$end,$onchange);
       my $function = &Apache::loncommon::get_users_function();
       my $color = &Apache::loncommon::designparm($function.'.tabbg',
                                                       $ENV{'user.domain'});
       my %lt = &Apache::lonlocal::texthash(
           'addb' => 'Add block',
           'exam' => 'e.g., Exam 1',
           'addn' => 'Add new communication blocking periods'
       );
       $r->print(<<"END");
   <h4>$lt{'addn'}</h4> 
   <table border="0" cellpadding="0" cellspacing="0">
    <tr>
     <td width="100%" bgcolor="#000000">
      <table width="100%" border="0" cellpadding="1" cellspacing="0">
       <tr>
        <td width="100%" bgcolor="#000000">
         <table border="0" cellpadding="3" cellspacing="3" bgcolor="#FFFFFF">
          <tr bgcolor="#CCCCFF">
           <td><b>$$ltext{'dura'}</b></td>
           <td><b>$$ltext{'even'} $lt{'exam'}</b></td>
           <td><b>$$ltext{'actn'}?</b></td>
          </tr>
          <tr bgcolor="#eeeeee">
           <td>$$ltext{'star'}:&nbsp;$startform<br />$$ltext{'endd'}:&nbsp;&nbsp;$endform</td>
           <td><input type="text" name="title_$parmcount" size="15" value=""/></td>
           <td>$lt{'addb'}?&nbsp;<input type="checkbox" name="add_$parmcount" value="1"/></td>
          </tr>
         </table>
        </td>
       </tr>
      </table>
     </td>
    </tr>
   </table>
   END
       return;
   }
   
   sub blockcheck {
       my ($setters,$startblock,$endblock) = @_;
       # Retrieve active student roles and active course coordinator/instructor roles
       my @livecses = ();
       my @staffcses = ();
       $$startblock = 0;
       $$endblock = 0;
       foreach (keys %ENV) {
           if ($_ =~ m-^user\.role\.(st|cc|in)\./(.+)$-) {
               my $role = $1;
               my $cse = $2;
               $cse =~ s|/|_|;
               if ($ENV{$_} =~ m/^(\d*)\.(\d*)$/) {
                   unless (($2 > 0 && $2 < time) || ($1 > time)) {
                       if ($role eq 'st') {
                           push @livecses, $cse;
                       } else {
                           unless (grep/^$cse$/,@staffcses) {
                               push @staffcses, $cse;
                           }
                       }
                   }
               }
           } elsif ($_ =~ m-user\.role\.cr/(\w+)/(\w+)/([^/]+)\./(.+)$- ) { 
               my $rolepriv = $ENV{'user.role..rolesdef_'.$3};
           }
       }
       # Retrieve blocking times and identity of blocker for active courses for students.
       if (@livecses > 0) {
           foreach my $cse (@livecses) {
               my ($cdom,$crs) = split/_/,$cse;
               if ( (grep/^$cse$/,@staffcses) && ($ENV{'request.role'} !~ m-^st\./$cdom/$crs$-) ) {
                   next;
               } else {
                   %{$$setters{$cse}} = ();
                   @{$$setters{$cse}{'staff'}} = ();
                   @{$$setters{$cse}{'times'}} = ();
                   my %records = &Apache::lonnet::dump('comm_block',$cdom,$crs);
                   foreach (keys %records) {
                       if ($_ =~ m/^(\d+)____(\d+)$/) {
                           if ($1 <= time && $2 >= time) {
                               my ($staff,$title) = split/:/,$records{$_};
                               push @{$$setters{$cse}{'staff'}}, $staff;
                               push @{$$setters{$cse}{'times'}}, $_;
                               if ( ($$startblock == 0) || ($$startblock > $1) ) {
                                   $$startblock = $1;
                               }
                               if ( ($$endblock == 0) || ($$endblock < $2) ) {
                                   $$endblock = $2;
                               }
                           }
                       }
                   }
               }
           }
       }
   }
   
   sub build_block_table {
       my ($r,$startblock,$endblock,$setters) = @_;
       my $function = &Apache::loncommon::get_users_function();
       my $color = &Apache::loncommon::designparm($function.'.tabbg',
                                                       $ENV{'user.domain'});
       my %lt = &Apache::lonlocal::texthash(
           'cacb' => 'Currently active communication blocks',
           'cour' => 'Course',
           'dura' => 'Duration',
           'blse' => 'Block set by'
       ); 
       $r->print(<<"END");
   <br /<br />$lt{'cacb'}:<br /><br />
   <table border="0" cellpadding="0" cellspacing="0">
    <tr>
     <td width="100%" bgcolor="#000000">
      <table width="100%" border="0" cellpadding="1" cellspacing="0">
       <tr>
        <td width="100%" bgcolor="#000000">
         <table border="0" cellpadding="3" cellspacing="3" bgcolor="#FFFFFF">
          <tr bgcolor="$color">
           <td><b>$lt{'cour'}</b></td>
           <td><b>$lt{'dura'}</b></td>
           <td><b>$lt{'blse'}</b></td>
          </tr>
   END
       foreach (keys %{$setters}) {
           my %courseinfo=&Apache::lonnet::coursedescription($_);
           for (my $i=0; $i<@{$$setters{$_}{staff}}; $i++) {
               my ($uname,$udom) = split/\@/,$$setters{$_}{staff}[$i];
               my $fullname = &Apache::loncommon::plainname($uname,$udom);
               my ($openblock,$closeblock) = split/____/,$$setters{$_}{times}[$i];
               $openblock = &Apache::lonlocal::locallocaltime($openblock);
               $closeblock= &Apache::lonlocal::locallocaltime($closeblock);
               $r->print('<tr><td>'.$courseinfo{'description'}.'</td>'.
                         '<td>'.$openblock.' to '.$closeblock.'</td>'.
                         '<td>'.$fullname.' ('.$uname.'@'.$udom.
                         ')</td></tr>');
           }
       }
       $r->print('</table></td></tr></table></td></tr></table>');
   }
   
   # ----------------------------------------------------------- Display a message
   
   sub displaymessage {
       my ($r,$msgid)=@_;
       my %blocked = ();
       my %setters = ();
       my $startblock = 0;
       my $endblock = 0;
       my $numblocked = 0;
   # info to generate "next" and "previous" buttons and check if message is blocked
       &blockcheck(\%setters,\$startblock,\$endblock);
       my @messages=&sortedmessages(\%blocked,$startblock,$endblock,\$numblocked);
       if ( $blocked{$msgid} eq 'ON' ) {
           &printheader($r,'/adm/email',&mt('Display a Message'));
           $r->print(&mt('You attempted to display a message that is currently blocked because you are enrolled in one or more courses for which there is an ongoing online exam.'));
           &build_block_table($r,$startblock,$endblock,\%setters);
           return;
       }
       &statuschange($msgid,'read');
       my %message=&Apache::lonnet::get('nohist_email',[$msgid]);
       my %content=&unpackagemsg($message{$msgid});
       my $counter=0;
       $r->print('<pre>');
       my $escmsgid=&Apache::lonnet::escape($msgid);
       foreach (@messages) {
    if ($_->[5] eq $escmsgid){
       last;
    }
    $counter++;
       }
       $r->print('</pre>');
       my $number_of_messages = scalar(@messages); #subtract 1 for last index
   # start output
       &printheader($r,'/adm/email?display='.&Apache::lonnet::escape($msgid),'Display a Message','',$content{'baseurl'});
       my %courseinfo=&Apache::lonnet::coursedescription($content{'courseid'});
   # Functions
       $r->print('<table border="2" width="100%"><tr bgcolor="#FFFFAA"><td>'.&mt('Functions').':</td>'.
         '<td><a href="/adm/email?replyto='.&Apache::lonnet::escape($msgid).$sqs.
         '"><b>'.&mt('Reply').'</b></a></td>'.
         '<td><a href="/adm/email?forward='.&Apache::lonnet::escape($msgid).$sqs.
         '"><b>'.&mt('Forward').'</b></a></td>'.
         '<td><a href="/adm/email?markunread='.&Apache::lonnet::escape($msgid).$sqs.
         '"><b>'.&mt('Mark Unread').'</b></a></td>'.
         '<td><a href="/adm/email?markdel='.&Apache::lonnet::escape($msgid).$sqs.
         '"><b>Delete</b></a></td>'.
         '<td><a href="/adm/email?sortedby='.$ENV{'form.sortedby'}.
         '"><b>'.&mt('Display all Messages').'</b></a></td>');
       if ($counter > 0){
    $r->print('<td><a href="/adm/email?display='.$messages[$counter-1]->[5].$sqs.
     '"><b>'.&mt('Previous').'</b></a></td>');
       }
       if ($counter < $number_of_messages - 1){
    $r->print('<td><a href="/adm/email?display='.$messages[$counter+1]->[5].$sqs.
     '"><b>'.&mt('Next').'</b></a></td>');
       }
       $r->print('</tr></table>');
       $r->print('<br /><b>'.&mt('Subject').':</b> '.$content{'subject'}.
         '<br /><b>'.&mt('From').':</b> '.
         &Apache::loncommon::aboutmewrapper(
    &Apache::loncommon::plainname($content{'sendername'},$content{'senderdomain'}),
    $content{'sendername'},$content{'senderdomain'}).' ('.
         $content{'sendername'}.' at '.
         $content{'senderdomain'}.') '.
         ($content{'courseid'}?'<br /><b>'.&mt('Course').':</b> '.$courseinfo{'description'}.
          ($content{'coursesec'}?' ('.&mt('Group/Section').': '.$content{'coursesec'}.')':''):'').
         '<br /><b>'.&mt('Time').':</b> '.$content{'time'}.
         '<p><pre>'.
         &Apache::lontexconvert::msgtexconverted($content{'message'},1).
         '</pre><hr />'.$content{'citation'}.'</p>');
       return;   
   }
   
   # ================================================================== The Header
   
   sub header {
       my ($r,$title,$baseurl)=@_;
       $r->print('<html><head><title>Communication and Messages</title>');
       if ($baseurl) {
    $r->print("<base href=\"http://$ENV{'SERVER_NAME'}/$baseurl\" />");
       }
       $r->print(&Apache::loncommon::studentbrowser_javascript().'</head>'.
         &Apache::loncommon::bodytag('Communication and Messages'));
           $r->print(&Apache::lonhtmlcommon::breadcrumbs
                     (undef,($title?$title:'Communication and Messages')));
   
   }
   
   # ---------------------------------------------------------------- Print header
   
   sub printheader {
       my ($r,$url,$desc,$title,$baseurl)=@_;
       &Apache::lonhtmlcommon::add_breadcrumb
    ({href=>$url,
     text=>$desc});
       &header($r,$title,$baseurl);
   }
   
   
 # ===================================================================== Handler  # ===================================================================== Handler
   
 sub handler {  sub handler {
     my $r=shift;      my $r=shift;
   
 # ----------------------------------------------------------- Set document type  # ----------------------------------------------------------- Set document type
       
   &Apache::loncommon::content_type($r,'text/html');      &Apache::loncommon::content_type($r,'text/html');
   $r->send_http_header;      $r->send_http_header;
       
   return OK if $r->header_only;      return OK if $r->header_only;
       
 # --------------------------- 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'},
         ['display','replyto','forward','markread','markdel','markunread',          ['display','replyto','forward','markread','markdel','markunread',
          'sendreply','compose','sendmail','critical','recname','recdom',           'sendreply','compose','sendmail','critical','recname','recdom',
          'recordftf','sortedby']);           'recordftf','sortedby','block']);
     $sqs='&sortedby='.$ENV{'form.sortedby'};      $sqs='&sortedby='.$ENV{'form.sortedby'};
 # ------------------------------------------------------ They checked for email  # ------------------------------------------------------ They checked for email
   &Apache::lonnet::put('email_status',{'recnewemail'=>0});      unless ($ENV{'form.block'}) {
           &Apache::lonnet::put('email_status',{'recnewemail'=>0});
       }
   
   # ----------------------------------------------------------------- Breadcrumbs
   
       &Apache::lonhtmlcommon::clear_breadcrumbs();
       &Apache::lonhtmlcommon::add_breadcrumb
           ({href=>"/adm/communicate",
             text=>"Communication/Messages",
             faq=>12,bug=>'Communication Tools',});
   
 # --------------------------------------------------------------- Render Output  # --------------------------------------------------------------- Render Output
   if (!$ENV{'form.display'}) {  
       $r->print('<html><head><title>EMail and Messaging</title>'.  
  &Apache::loncommon::studentbrowser_javascript().'</head>'.  
  &Apache::loncommon::bodytag('EMail and Messages'));  
   }  
   if ($ENV{'form.display'}) {  
       my $msgid=$ENV{'form.display'};  
       &statuschange($msgid,'read');  
       my %message=&Apache::lonnet::get('nohist_email',[$msgid]);  
       my %content=&unpackagemsg($message{$msgid});  
 # info to generate "next" and "previous" buttons  
       my @messages=&sortedmessages();  
       my $counter=0;  
       $r->print('<pre>');  
       my $escmsgid=&Apache::lonnet::escape($msgid);  
       foreach (@messages) {  
    if ($_->[5] eq $escmsgid){  
        last;  
    }  
    $counter++;  
       }  
       $r->print('</pre>');  
       my $number_of_messages = scalar(@messages); #subtract 1 for last index  
 # start output  
       $r->print('<html><head><title>EMail and Messaging</title>');  
       if (defined($content{'baseurl'})) {  
   $r->print("<base href=\"http://$ENV{'SERVER_NAME'}/$content{'baseurl'}\" />");  
       }  
       $r->print(&Apache::loncommon::studentbrowser_javascript().  
  '</head>'.  
  &Apache::loncommon::bodytag('EMail and Messages'));  
       $r->print('<b>'.&mt('Subject').':</b> '.$content{'subject'}.  
              '<br><b>'.&mt('From').':</b> '.  
 &Apache::loncommon::aboutmewrapper(  
 &Apache::loncommon::plainname($content{'sendername'},$content{'senderdomain'}),  
 $content{'sendername'},$content{'senderdomain'}).' ('.  
                                  $content{'sendername'}.' at '.  
                                  $content{'senderdomain'}.') '.  
              '<br><b>'.&mt('Time').':</b> '.$content{'time'}.'<p>'.  
              '<table border=2><tr bgcolor="#FFFFAA"><td>'.&mt('Functions').':</td>'.  
            '<td><a href="/adm/email?replyto='.&Apache::lonnet::escape($msgid).$sqs.  
              '"><b>'.&mt('Reply').'</b></a></td>'.  
            '<td><a href="/adm/email?forward='.&Apache::lonnet::escape($msgid).$sqs.  
              '"><b>'.&mt('Forward').'</b></a></td>'.  
         '<td><a href="/adm/email?markunread='.&Apache::lonnet::escape($msgid).$sqs.  
              '"><b>'.&mt('Mark Unread').'</b></a></td>'.  
         '<td><a href="/adm/email?markdel='.&Apache::lonnet::escape($msgid).$sqs.  
              '"><b>Delete</b></a></td>'.  
  '<td><a href="/adm/email?sortedby='.$ENV{'form.sortedby'}.  
  '"><b>'.&mt('Display all Messages').'</b></a></td>');  
       if ($counter > 0){  
    $r->print('<td><a href="/adm/email?display='.$messages[$counter-1]->[5].$sqs.  
            '"><b>'.&mt('Previous').'</b></a></td>');  
        }  
        if ($counter < $number_of_messages - 1){  
    $r->print('<td><a href="/adm/email?display='.$messages[$counter+1]->[5].$sqs.  
            '"><b>'.&mt('Next').'</b></a></td>');  
        }  
        $r->print('</tr></table><p><pre>'.  
              &Apache::lontexconvert::msgtexconverted($content{'message'}).  
              '</pre><hr>'.$content{'citation'});  
   } elsif ($ENV{'form.replyto'}) {  
       &comprep($r,$ENV{'form.replyto'});  
   } elsif ($ENV{'form.sendreply'}) {  
       my $msgid=$ENV{'form.sendreply'};  
       my %message=&Apache::lonnet::get('nohist_email',[$msgid]);  
       my %content=&unpackagemsg($message{$msgid},1);  
       &statuschange($msgid,'replied');  
       if ((($ENV{'form.critmsg'}) || ($ENV{'form.sendbck'})) &&   
           (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}))) {  
          $r->print(&mt('Sending critical').': '.  
                 &user_crit_msg($content{'sendername'},  
                                  $content{'senderdomain'},  
                                  &Apache::lonfeedback::clear_out_html($ENV{'form.subject'}),  
                                  &Apache::lonfeedback::clear_out_html($ENV{'form.message'}),  
                                  $ENV{'form.sendbck'}));  
       } else {  
          $r->print(&mt('Sending').': '.&user_normal_msg($content{'sendername'},  
                                  $content{'senderdomain'},  
                                  &Apache::lonfeedback::clear_out_html($ENV{'form.subject'}),  
                                  &Apache::lonfeedback::clear_out_html($ENV{'form.message'})));  
       }  
       if ($ENV{'form.displayedcrit'}) {  
           &discrit($r);  
       } else {  
   &disall($r);  
       }  
   } elsif ($ENV{'form.confirm'}) {  
       foreach (keys %ENV) {  
           if ($_=~/^form\.rec\_(.*)$/) {  
       $r->print('<b>Confirming Receipt:</b> '.  
                         &user_crit_received($1).'<br>');  
           }  
           if ($_=~/^form\.reprec\_(.*)$/) {  
               my $msgid=$1;  
       $r->print('<b>Confirming Receipt:</b> '.  
                         &user_crit_received($msgid).'<br>');  
               &comprep($r,$msgid);  
           }  
       }  
       &discrit($r);  
   } elsif ($ENV{'form.critical'}) {  
       &discrit($r);  
   } elsif ($ENV{'form.forward'}) {  
       &compout($r,$ENV{'form.forward'});  
   } elsif ($ENV{'form.markread'}) {  
   } elsif ($ENV{'form.markdel'}) {  
       &statuschange($ENV{'form.markdel'},'deleted');  
       &disall($r);  
   } elsif ($ENV{'form.markeddel'}) {  
       my $total=0;  
       foreach (keys %ENV) {  
           if ($_=~/^form\.delmark_(.*)$/) {  
       &statuschange(&Apache::lonnet::unescape($1),'deleted');  
               $total++;  
           }  
       }  
       $r->print('Deleted '.$total.' message(s)<p>');  
       &disall($r);  
   } elsif ($ENV{'form.markunread'}) {  
       &statuschange($ENV{'form.markunread'},'new');  
       &disall($r);  
   } elsif ($ENV{'form.compose'}) {  
       &compout($r,'',$ENV{'form.compose'});  
   } elsif ($ENV{'form.recordftf'}) {  
       &facetoface($r,$ENV{'form.recordftf'});  
   } elsif ($ENV{'form.sendmail'}) {  
       my %content=();  
       undef %content;  
       if ($ENV{'form.forwid'}) {  
         my $msgid=$ENV{'form.forwid'};  
         my %message=&Apache::lonnet::get('nohist_email',[$msgid]);  
         %content=&unpackagemsg($message{$msgid},1);  
         &statuschange($msgid,'forwarded');  
         $ENV{'form.message'}.="\n\n-- Forwarded message --\n\n".  
                        $content{'message'};  
       }  
       my %toaddr=();  
       undef %toaddr;  
       if ($ENV{'form.sendmode'} eq 'group') {  
           foreach (keys %ENV) {  
       if ($_=~/^form\.send\_to\_\&\&\&[^\&]*\&\&\&\_(.+)$/) {  
   $toaddr{$1}='';  
               }  
           }  
       } elsif ($ENV{'form.sendmode'} eq 'upload') {  
           foreach (split(/[\n\r\f]+/,$ENV{'form.upfile'})) {  
               my ($rec,$txt)=split(/\s*\:\s*/,$_);  
               if ($txt) {  
   $rec=~s/\@/\:/;  
                   $toaddr{$rec}.=$txt."\n";  
               }  
           }  
       } else {  
   $toaddr{$ENV{'form.recuname'}.':'.$ENV{'form.recdomain'}}='';  
       }  
       if ($ENV{'form.additionalrec'}) {  
   foreach (split(/\,/,$ENV{'form.additionalrec'})) {  
               my ($auname,$audom)=split(/\@/,$_);  
               $toaddr{$auname.':'.$audom}='';  
           }  
       }  
     foreach (keys %toaddr) {  
       my ($recuname,$recdomain)=split(/\:/,$_);  
       my $msgtxt=&Apache::lonfeedback::clear_out_html($ENV{'form.message'});  
       if ($toaddr{$_}) { $msgtxt.='<hr>'.$toaddr{$_}; }      
       if ((($ENV{'form.critmsg'}) || ($ENV{'form.sendbck'})) &&   
           (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}))) {  
          $r->print('Sending critical: '.  
                 &user_crit_msg($recuname,$recdomain,  
                &Apache::lonfeedback::clear_out_html($ENV{'form.subject'}),  
                                  $msgtxt,  
                                  $ENV{'form.sendbck'}));  
       } else {  
          $r->print('Sending: '.&user_normal_msg($recuname,$recdomain,  
               &Apache::lonfeedback::clear_out_html($ENV{'form.subject'}),  
                                  $msgtxt,  
                                  $content{'citation'}));  
       }  
       $r->print('<br>');  
     }  
       if ($ENV{'form.displayedcrit'}) {  
           &discrit($r);  
       } else {  
   &disall($r);  
       }  
   } else {  
       &disall($r);  
   }  
   $r->print('</body></html>');  
   return OK;  
   
       if ($ENV{'form.display'}) {
    &displaymessage($r,$ENV{'form.display'});
       } elsif ($ENV{'form.replyto'}) {
    &compout($r,'',$ENV{'form.replyto'});
       } elsif ($ENV{'form.confirm'}) {
    &printheader($r,'','Confirmed Receipt');
    foreach (keys %ENV) {
       if ($_=~/^form\.rec\_(.*)$/) {
    $r->print('<b>'.&mt('Confirming Receipt').':</b> '.
     &user_crit_received($1).'<br>');
       }
       if ($_=~/^form\.reprec\_(.*)$/) {
    my $msgid=$1;
    $r->print('<b>'.&mt('Confirming Receipt').':</b> '.
     &user_crit_received($msgid).'<br>');
    &compout($r,'','','',$msgid);
       }
    }
    &discrit($r);
       } elsif ($ENV{'form.critical'}) {
    &printheader($r,'','Displaying Critical Messages');
    &discrit($r);
       } elsif ($ENV{'form.forward'}) {
    &compout($r,$ENV{'form.forward'});
       } elsif ($ENV{'form.markdel'}) {
    &printheader($r,'','Deleted Message');
    &statuschange($ENV{'form.markdel'},'deleted');
    &disall($r);
       } elsif ($ENV{'form.markeddel'}) {
    my $total=0;
    foreach (keys %ENV) {
       if ($_=~/^form\.delmark_(.*)$/) {
    &statuschange(&Apache::lonnet::unescape($1),'deleted');
    $total++;
       }
    }
    &printheader($r,'','Deleted Messages');
    $r->print('Deleted '.$total.' message(s)<p>');
    &disall($r);
       } elsif ($ENV{'form.markunread'}) {
    &printheader($r,'','Marked Message as Unread');
    &statuschange($ENV{'form.markunread'},'new');
    &disall($r);
       } elsif ($ENV{'form.compose'}) {
    &compout($r,'','',$ENV{'form.compose'});
       } elsif ($ENV{'form.recordftf'}) {
    &facetoface($r,$ENV{'form.recordftf'});
       } elsif ($ENV{'form.block'}) {
           &examblock($r,$ENV{'form.block'});
       } elsif ($ENV{'form.sendmail'}) {
    my $sendstatus='';
    if ($ENV{'form.send'}) {
       &printheader($r,'','Messages being sent.');
       $r->rflush();
       my %content=();
       undef %content;
       if ($ENV{'form.forwid'}) {
    my $msgid=$ENV{'form.forwid'};
    my %message=&Apache::lonnet::get('nohist_email',[$msgid]);
    %content=&unpackagemsg($message{$msgid},1);
    &statuschange($msgid,'forwarded');
    $ENV{'form.message'}.="\n\n-- Forwarded message --\n\n".
       $content{'message'};
       }
       my %toaddr=();
       undef %toaddr;
       if ($ENV{'form.sendmode'} eq 'group') {
    foreach (keys %ENV) {
       if ($_=~/^form\.send\_to\_\&\&\&[^\&]*\&\&\&\_(.+)$/) {
    $toaddr{$1}='';
       }
    }
       } elsif ($ENV{'form.sendmode'} eq 'upload') {
    foreach (split(/[\n\r\f]+/,$ENV{'form.upfile'})) {
       my ($rec,$txt)=split(/\s*\:\s*/,$_);
       if ($txt) {
    $rec=~s/\@/\:/;
    $toaddr{$rec}.=$txt."\n";
       }
    }
       } else {
    $toaddr{$ENV{'form.recuname'}.':'.$ENV{'form.recdomain'}}='';
       }
       if ($ENV{'form.additionalrec'}) {
    foreach (split(/\,/,$ENV{'form.additionalrec'})) {
       my ($auname,$audom)=split(/\@/,$_);
       $toaddr{$auname.':'.$audom}='';
    }
       }
   
       foreach (keys %toaddr) {
    my ($recuname,$recdomain)=split(/\:/,$_);
    my $msgtxt=&Apache::lonfeedback::clear_out_html($ENV{'form.message'});
    if ($toaddr{$_}) { $msgtxt.='<hr />'.$toaddr{$_}; }
    my $thismsg;    
    if ((($ENV{'form.critmsg'}) || ($ENV{'form.sendbck'})) && 
       (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}))) {
       $r->print(&mt('Sending critical message').' '.$recuname.'@'.$recdomain.': ');
       $thismsg=&user_crit_msg($recuname,$recdomain,
       &Apache::lonfeedback::clear_out_html($ENV{'form.subject'}),
       $msgtxt,
       $ENV{'form.sendbck'});
    } else {
       $r->print(&mt('Sending').' '.$recuname.'@'.$recdomain.': ');
       $thismsg=&user_normal_msg($recuname,$recdomain,
         &Apache::lonfeedback::clear_out_html($ENV{'form.subject'}),
         $msgtxt,
         $content{'citation'});
                       if (($ENV{'request.course.id'}) && ($ENV{'form.sendmode'} eq 'group')) {
                           &user_normal_msg_raw(
                           $ENV{'course.'.$ENV{'request.course.id'}.'.num'},
                           $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
                           'Broadcast ['.$recuname.':'.$recdomain.']',
                           $msgtxt);
                       }
    }
    $r->print($thismsg.'<br />');
    $sendstatus.=' '.$thismsg;
       }
    } else {
       &printheader($r,'','No messages sent.'); 
    }
    if ($sendstatus=~/^(\s*(?:ok|con_delayed)\s*)*$/) {
       $r->print('<br /><font color="green">'.&mt('Completed.').'</font>');
       if ($ENV{'form.displayedcrit'}) {
    &discrit($r);
       } else {
    &Apache::loncommunicate::menu($r);
       }
    } else {
       $r->print(
         '<h2><font color="red">'.&mt('Could not deliver message').'</font></h2>'.
         &mt('Please use the browser "Back" button and correct the recipient addresses')
         );
    }
       } else {
    &printheader($r,'','Display All Messages');
    &disall($r);
       }
       $r->print('</body></html>');
       return OK;
 }  }
 # ================================================= Main program, reset counter  # ================================================= Main program, reset counter
   
Removed from v.1.68  
changed lines
  Added in v.1.103

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