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Diff for /loncom/interface/lonmsg.pm between versions 1.182 and 1.233

version 1.182, 2006/04/23 04:04:38 version 1.233, 2012/05/07 17:34:11
Line 28 Line 28
   
 package Apache::lonmsg;  package Apache::lonmsg;
   
   =pod
   
   =head1 NAME
   
   Apache::lonmsg: supports internal messaging
   
   =head1 SYNOPSIS
   
   lonmsg provides routines for sending messages.
   
   Right now, this document will cover just how to send a message, since
   it is likely you will not need to programmatically read messages,
   since lonmsg already implements that functionality.
   
   The routines used to package messages and unpackage messages are not
   only used by lonmsg when creating/extracting messages for LON-CAPA's
   internal messaging system, but also by lonnotify.pm which is available
   for use by Domain Coordinators to broadcast standard e-mail to specified
   users in their domain.  The XML packaging used in the two cases is very
   similar.  The differences are the use of <recuser>$uname</recuser> and
   <recdomain>$udom</recdomain> in stored internal messages, compared
   with <recipient username="$uname:$udom">$email</recipient> in stored
   Domain Coordinator e-mail for the storage of information about
   recipients of the message/e-mail.
   
   =head1 SUBROUTINES
   
   =over
   
   =pod
   
   =item packagemsg()
   
   Package
   
   =item get_course_context()
   
   =item unpackagemsg()
   
   Unpack message into a hash
   
   =item buildmsgid()
   
   Get info out of msgid
   
   =item unpackmsgid()
   
   =item sendemail()
   
   =item sendnotification()
   
   Send notification emails
   
   =item newmail()
   
   Check for email
   
   =item author_res_msg()
   
   Automated message to the author of a resource
   
   =item * B<author_res_msg($filename, $message)>: Sends message $message to the owner
       of the resource with the URI $filename.
   
   =item retrieve_author_res_msg()
   
   Retrieve author resource messages
   
   =item del_url_author_res_msg()
   
   Delete all author messages related to one URL
   
   =item clear_author_res_msg()
   
   Clear out all author messages in URL path
   
   =item all_url_author_res_msg()
   
   Return hash with URLs for which there is a resource message
   
   =item store_instructor_comment()
   
   Add a comment to the User Notes screen
   
   =item user_crit_msg_raw()
   
   Critical message to a user
   
   =item user_crit_msg()
   
   New routine that respects "forward" and calls old routine
   
   =item * B<user_crit_msg($user, $domain, $subject, $message, $sendback, $nosentstore,$recipid,$attachmenturl)>: 
       Sends a critical message $message to the $user at $domain.  If $sendback
       is true,  a receipt will be sent to the current user when $user receives 
       the message.
   
       Additionally it will check if the user has a Forwarding address
       set, and send the message to that address instead
   
       returns 
         - in array context a list of results for each message that was sent
         - in scalar context a space seperated list of results for each 
              message sent
   
   
   =item user_crit_received()
   
   Critical message received
   
   =item user_normal_msg_raw()
   
   Normal communication
   
   =item user_normal_msg()
   
   New routine that respects "forward" and calls old routine
   
   =item * B<user_normal_msg($user, $domain, $subject, $message, $citation,
          $baseurl, $attachmenturl, $toperm, $sentmessage, $symb, $restitle,
          $error,$nosentstore,$recipid)>:
    Sends a message to the  $user at $domain, with subject $subject and message $message.
   
       Additionally it will check if the user has a Forwarding address
       set, and send the message to that address instead
   
       returns
         - in array context a list of results for each message that was sent
         - in scalar context a space seperated list of results for each
              message sent
   
   =item store_sent_mail()
   
   =item store_recipients()
   
   =item foldersuffix()
   
   =item get_user_folders()
   
   User-defined folders 
   
   =item secapply()
   
   =item B<decide_receiver($feedurl,$author,$question,$course,$policy,$defaultflag)>:
   
   Arguments
     $feedurl - /res/ url of resource (only need if $author is true)
     $author,$question,$course,$policy - all true/false parameters
       if true will attempt to find the addresses of user that should receive
       this type of feedback (author - feedback to author of resource $feedurl,
       $question 'Resource Content Questions', $course 'Course Content Question',
       $policy 'Course Policy')
       (Additionally it also checks $env for whether the corresponding form.<name>
       element exists, for ease of use in a html response context)
      
     $defaultflag - (internal should be left blank) if true gather addresses 
                    that aren't for a section even if I have a section
                    (used for reccursion internally, first we look for
                    addresses for our specific section then we recurse
                    and look for non section addresses)
   
   Returns
     $typestyle - string of html text, describing what addresses were found
     %to - a hash, which keys are addresses of users to send messages to
           the keys will look like   name:domain
   
   =back
   
   =cut
   
 use strict;  use strict;
 use Apache::lonnet;  use Apache::lonnet;
 use HTML::TokeParser();  use HTML::TokeParser();
 use Apache::lonlocal;  use Apache::lonlocal;
 use Mail::Send;  use Mail::Send;
   use HTML::Entities;
   use Encode;
   use LONCAPA qw(:DEFAULT :match);
   
 {  {
     my $uniq;      my $uniq;
Line 42  use Mail::Send; Line 215  use Mail::Send;
     }      }
 }  }
   
 # ===================================================================== Package  
   
 sub packagemsg {  sub packagemsg {
     my ($subject,$message,$citation,$baseurl,$attachmenturl,      my ($subject,$message,$citation,$baseurl,$attachmenturl,
  $recuser,$recdomain,$msgid,$type,$crsmsgid)=@_;   $recuser,$recdomain,$msgid,$type,$crsmsgid,$symb,$error,$recipid)=@_;
     $message =&HTML::Entities::encode($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|^https?://[^/]+/|/|;
     $baseurl =&HTML::Entities::encode($baseurl,'<>&"');      $baseurl =&HTML::Entities::encode($baseurl,'<>&"');
     #remove machine specification      #remove machine specification
     $attachmenturl =~ s|^http://[^/]+/|/|;      $attachmenturl =~ s|^https?://[^/]+/|/|;
     $attachmenturl =&HTML::Entities::encode($attachmenturl,'<>&"');      $attachmenturl =&HTML::Entities::encode($attachmenturl,'<>&"');
     my $course_context;      my $course_context = &get_course_context();
     if (defined($env{'form.replyid'})) {  
         my ($sendtime,$shortsubj,$fromname,$fromdomain,$count,$origcid)=  
                    split(/\:/,&Apache::lonnet::unescape($env{'form.replyid'}));  
         $course_context = $origcid;  
     }  
     foreach my $key (keys(%env)) {  
         if ($key=~/^form\.(rep)?rec\_(.*)$/) {  
             my ($sendtime,$shortsubj,$fromname,$fromdomain,$count,$origcid) =  
                                     split(/\:/,&Apache::lonnet::unescape($2));  
             $course_context = $origcid;  
             last;  
         }  
     }  
     unless(defined($course_context)) {  
         $course_context = $env{'request.course.id'};  
     }  
     my $now=time;      my $now=time;
     my $msgcount = &get_uniq();      my $msgcount = &get_uniq();
     unless(defined($msgid)) {      unless(defined($msgid)) {
         $msgid = &buildmsgid($now,$subject,$env{'user.name'},$env{'user.domain'},          $msgid = &buildmsgid($now,$subject,$env{'user.name'},$env{'user.domain'},
                             $msgcount,$course_context,$$);                             $msgcount,$course_context,$symb,$error,$$);
     }      }
     my $result = '<sendername>'.$env{'user.name'}.'</sendername>'.      my $result = '<sendername>'.$env{'user.name'}.'</sendername>'.
            '<senderdomain>'.$env{'user.domain'}.'</senderdomain>'.             '<senderdomain>'.$env{'user.domain'}.'</senderdomain>'.
Line 104  sub packagemsg { Line 261  sub packagemsg {
    '<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>';
       if (defined($env{'form.group'})) {
           $result .= '<group>'.$env{'form.group'}.'</group>';
       }
     if (ref($recuser) eq 'ARRAY') {      if (ref($recuser) eq 'ARRAY') {
         for (my $i=0; $i<@{$recuser}; $i++) {          for (my $i=0; $i<@{$recuser}; $i++) {
             if ($type eq 'dcmail') {              if ($type eq 'dcmail') {
                 my ($username,$email) = split(/:/,$$recuser[$i]);                  my ($username,$email) = split(/:/,$$recuser[$i]);
                 $username = &Apache::lonnet::unescape($username);                  $username = &unescape($username);
                 $email = &Apache::lonnet::unescape($email);                  $email = &unescape($email);
                 $username = &HTML::Entities::encode($username,'<>&"');                  $username = &HTML::Entities::encode($username,'<>&"');
                 $email = &HTML::Entities::encode($email,'<>&"');                  $email = &HTML::Entities::encode($email,'<>&"');
                 $result .= '<recipient username="'.$username.'">'.                  $result .= '<recipient username="'.$username.'">'.
Line 133  sub packagemsg { Line 293  sub packagemsg {
     if (defined($attachmenturl)) {      if (defined($attachmenturl)) {
  $result.= '<attachmenturl>'.$attachmenturl.'</attachmenturl>';   $result.= '<attachmenturl>'.$attachmenturl.'</attachmenturl>';
     }      }
     return $msgid,$result;      if (defined($symb)) {
           $result.= '<symb>'.$symb.'</symb>';
           if ($course_context ne '') {
               if ($course_context eq $env{'request.course.id'}) {
                   my $resource_title = &Apache::lonnet::gettitle($symb);
                   if (defined($resource_title)) {
                       $result .= '<resource_title>'.$resource_title.'</resource_title>';
                   }
               }
           }
       }
       if (defined($recipid)) {
           $result.= '<recipid>'.$recipid.'</recipid>';
       }
       if ($env{'form.can_reply'} eq 'N') {
           $result .= '<noreplies>1</noreplies>';
       }
       if ($env{'form.reply_to_addr'}) {
           my ($replytoname,$replytodom) = split(/:/,$env{'form.reply_to_addr'});
           if (!($replytoname eq $env{'user.name'} && $replytodom eq $env{'user.domain'})) {
               if (&Apache::lonnet::homeserver($replytoname,$replytodom) ne 'no_host') {
                   $result .= '<replytoaddr>'.$env{'form.reply_to_addr'}.'</replytoaddr>';
               }
           }
       }
       return ($msgid,$result);
   }
   
   sub get_course_context {
       my $course_context;
       my $msgkey;
       if (defined($env{'form.replyid'})) {
           $msgkey = $env{'form.replyid'};
       } elsif (defined($env{'form.forwid'})) {
           $msgkey = $env{'form.forwid'}
       } elsif (defined($env{'form.multiforwid'})) {
           $msgkey = $env{'form.multiforwid'};
       }
       if ($msgkey ne '') {
           my ($sendtime,$shortsubj,$fromname,$fromdomain,$count,$origcid)=
                      split(/\:/,&unescape($msgkey));
           $course_context = $origcid;
       }
       foreach my $key (keys(%env)) {
           if ($key=~/^form\.(rep)?rec\_(.*)$/) {
               my ($sendtime,$shortsubj,$fromname,$fromdomain,$count,$origcid) =
                                       split(/\:/,&unescape($2));
               $course_context = $origcid;
               last;
           }
       }
       if ($course_context eq '') {
           $course_context = $env{'request.course.id'};
       }
       return $course_context;
 }  }
   
 # ================================================== Unpack message into a hash  
   
 sub unpackagemsg {  sub unpackagemsg {
     my ($message,$notoken)=@_;      my ($message,$notoken,$noattachmentlink)=@_;
     my %content=();      my %content=();
     my $parser=HTML::TokeParser->new(\$message);      my $parser=HTML::TokeParser->new(\$message);
     my $token;      my $token;
Line 159  sub unpackagemsg { Line 372  sub unpackagemsg {
        }         }
     }      }
     if (!exists($content{'recuser'})) { $content{'recuser'} = []; }      if (!exists($content{'recuser'})) { $content{'recuser'} = []; }
     if ($content{'attachmenturl'}) {      if (($content{'attachmenturl'}) && (!$noattachmentlink)) {
        my ($fname)=($content{'attachmenturl'}=~m|/([^/]+)$|);         my ($fname)=($content{'attachmenturl'}=~m|/([^/]+)$|);
        if ($notoken) {         if ($notoken) {
    $content{'message'}.='<p>'.&mt('Attachment').': <tt>'.$fname.'</tt>';     $content{'message'}.='<p>'.&mt('Attachment').': <tt>'.$fname.'</tt>';
Line 174  sub unpackagemsg { Line 387  sub unpackagemsg {
     return %content;      return %content;
 }  }
   
 # ======================================================= Get info out of msgid  
   
 sub buildmsgid {  sub buildmsgid {
     my ($now,$subject,$uname,$udom,$msgcount,$course_context,$pid) = @_;      my ($now,$subject,$uname,$udom,$msgcount,$course_context,$symb,$error,$pid) = @_;
     $subject=&Apache::lonnet::escape($subject);      $subject=&escape($subject);
     return(&Apache::lonnet::escape($now.':'.$subject.':'.$uname.':'.      $symb = &escape($symb);
            $udom.':'.$msgcount.':'.$course_context.':'.$pid));      return(&escape($now.':'.$subject.':'.$uname.':'.
              $udom.':'.$msgcount.':'.$course_context.':'.$pid.':'.$symb.':'.$error));
 }  }
   
 sub unpackmsgid {  sub unpackmsgid {
     my ($msgid,$folder,$skipstatus,$status_cache)=@_;      my ($msgid,$folder,$skipstatus,$status_cache)=@_;
     $msgid=&Apache::lonnet::unescape($msgid);      $msgid=&unescape($msgid);
     my ($sendtime,$shortsubj,$fromname,$fromdomain,$count,$fromcid,      my ($sendtime,$shortsubj,$fromname,$fromdomain,$count,$fromcid,
                      $processid)=split(/\:/,&Apache::lonnet::unescape($msgid));          $processid,$symb,$error) = split(/\:/,&unescape($msgid));
     $shortsubj = &Apache::lonnet::unescape($shortsubj);      $shortsubj = &unescape($shortsubj);
     $shortsubj = &HTML::Entities::decode($shortsubj);      $shortsubj = &HTML::Entities::decode($shortsubj);
       $symb = &unescape($symb);
     if (!defined($processid)) { $fromcid = ''; }      if (!defined($processid)) { $fromcid = ''; }
     my %status=();      my %status=();
     unless ($skipstatus) {      unless ($skipstatus) {
Line 202  sub unpackmsgid { Line 416  sub unpackmsgid {
  if ($status{$msgid}=~/^error\:/) { $status{$msgid}=''; }   if ($status{$msgid}=~/^error\:/) { $status{$msgid}=''; }
         unless ($status{$msgid}) { $status{$msgid}='new'; }          unless ($status{$msgid}) { $status{$msgid}='new'; }
     }      }
     return ($sendtime,$shortsubj,$fromname,$fromdomain,$status{$msgid},$fromcid);      return ($sendtime,$shortsubj,$fromname,$fromdomain,$status{$msgid},$fromcid,$symb,$error);
 }  }
   
   
 sub sendemail {  sub sendemail {
     my ($to,$subject,$body)=@_;      my ($to,$subject,$body,$to_uname,$to_udom,$user_lh)=@_;
       my $senderaddress='';
       my $replytoaddress='';
       if ($env{'form.can_reply'} eq 'N') {
           my $lonhost = $Apache::lonnet::perlvar{'lonHostID'};
           my $hostname = &Apache::lonnet::hostname($lonhost);
           $replytoaddress = 'do-not-reply@'.$hostname;
       } else {
           my %senderemails;
           my $have_sender;
           if ($env{'form.reply_to_addr'}) {
               my ($replytoname,$replytodom) = split(/:/,$env{'form.reply_to_addr'});
               if (!($replytoname eq $env{'user.name'} && $replytodom eq $env{'user.domain'})) {
                   if (&Apache::lonnet::homeserver($replytoname,$replytodom) ne 'no_host') {
                       %senderemails = 
                           &Apache::loncommon::getemails($replytoname,$replytodom);
                       $have_sender = 1;
                   }
               }
           }
           if (!$have_sender) {
               %senderemails=&Apache::loncommon::getemails();
           }
           foreach my $type ('permanentemail','critnotification','notification') {
               if ($senderemails{$type}) {
                   ($senderaddress) = split(/,/,$senderemails{$type});
                   last if ($senderaddress);
               }
           }
       }
     $body=      $body=
     "*** ".&mt('This is an automatic message generated by the LON-CAPA system.')."\n".      "*** ".&mt_user($user_lh,'This is an automatic e-mail generated by the LON-CAPA system.')."\n".
     "*** ".&mt('Please do not reply to this address.')."\n\n".$body;      "*** ".($senderaddress?&mt_user($user_lh,'You can reply to this e-mail'):&mt_user($user_lh,'Please do not reply to this address.')."\n*** ".
       &mt_user($user_lh,'A reply will not be received by the recipient!'))."\n\n".$body;
       
     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 ($replytoaddress) {
           $msg->add('Reply-to',$replytoaddress);
       }
       if ($senderaddress) {
           $msg->add('From',$senderaddress);
       }
       $msg->add('Content-type','text/plain; charset=UTF-8');
     if (my $fh = $msg->open()) {      if (my $fh = $msg->open()) {
  print $fh $body;   print $fh $body;
  $fh->close;   $fh->close;
Line 223  sub sendemail { Line 475  sub sendemail {
 # ==================================================== Send notification emails  # ==================================================== Send notification emails
   
 sub sendnotification {  sub sendnotification {
     my ($to,$touname,$toudom,$subj,$crit,$text)=@_;      my ($to,$touname,$toudom,$subj,$crit,$text,$msgid)=@_;
     my $sender=$env{'environment.firstname'}.' '.$env{'environment.lastname'};      my $sender=$env{'environment.firstname'}.' '.$env{'environment.lastname'};
     unless ($sender=~/\w/) {       unless ($sender=~/\w/) { 
  $sender=$env{'user.name'}.'@'.$env{'user.domain'};   $sender=$env{'user.name'}.':'.$env{'user.domain'};
     }      }
     my $critical=($crit?' critical':'');      my $critical=($crit?' critical':'');
   
     $text=~s/\&lt\;/\</gs;      $text=~s/\&lt\;/\</gs;
     $text=~s/\&gt\;/\>/gs;      $text=~s/\&gt\;/\>/gs;
     $text=~s/\<\/*[^\>]+\>//gs;      my $homeserver = &Apache::lonnet::homeserver($touname,$toudom);
     my $url='http://'.      my $protocol = $Apache::lonnet::protocol{$homeserver};
       $Apache::lonnet::hostname{&Apache::lonnet::homeserver($touname,$toudom)}.      $protocol = 'http' if ($protocol ne 'https');
       '/adm/email?username='.$touname.'&domain='.$toudom;      my $url = $protocol.'://'.&Apache::lonnet::hostname($homeserver).
     my $body=(<<ENDMSG);                '/adm/email?username='.$touname.'&domain='.$toudom.
 You received a$critical message from $sender in LON-CAPA. The subject is                '&display='.&escape($msgid);
       my ($sendtime,$shortsubj,$fromname,$fromdomain,$status,$fromcid,
           $symb,$error) = &Apache::lonmsg::unpackmsgid($msgid);
       my ($coursetext,$body,$bodybegin,$bodysubj,$bodyend);
       my $user_lh = &Apache::loncommon::user_lang($touname,$toudom,$fromcid);
       if ($fromcid ne '') {
           $coursetext = "\n".&mt_user($user_lh,'Course').': ';
           if ($env{'course.'.$fromcid.'.description'} ne '') {
               $coursetext .= $env{'course.'.$fromcid.'.description'};
           } else {
               my %coursehash = &Apache::lonnet::coursedescription($fromcid,);
               if ($coursehash{'description'} ne '') {
                   $coursetext .= $coursehash{'description'};
               }
           }
           $coursetext .= "\n\n";
       }
       my @recipients = split(/,/,$to);
       $bodybegin = $coursetext. 
                  &mt_user($user_lh,
                            'You received a'.$critical.' message from [_1] in LON-CAPA.',$sender).' ';
       $bodysubj = &mt_user($user_lh,'The subject is 
   
    [_1]
   
   ',$subj)."\n".
   '=== '.&mt_user($user_lh,'Excerpt')." ============================================================
   ";
       $bodyend = "
   ========================================================================
   
  $subj  ".&mt_user($user_lh,'Use 
   
 === Excerpt ============================================================   [_1]
 $text  
 ========================================================================  
   
 Use  to access the full message.',$url);
       my %userenv = &Apache::lonnet::get('environment',['notifywithhtml'],$toudom,$touname);
       my $subject = &mt_user($user_lh,"'New' $critical message from ").$sender;
       unless ($subj eq '') {
           $subject = $subj;
       }
    
       my ($blocked,$blocktext);
       if (!$crit) {
           my %setters;
           my ($startblock,$endblock) = 
               &Apache::loncommon::blockcheck(\%setters,'com',$touname,$toudom);
           if ($startblock && $endblock) {
               $blocked = 1;
               my $showstart = &Apache::lonlocal::locallocaltime($startblock);
               my $showend = &Apache::lonlocal::locallocaltime($endblock);
               $blocktext = &mt_user($user_lh,'LON-CAPA messages sent to you between [_1] and [_2] will be inaccessible until the end of this time period, because you are a student in a course with an active communications block.',$showstart,$showend);
           }
       }
       if ($userenv{'notifywithhtml'} ne '') {
           my @htmlexcerpt = split(/,/,$userenv{'notifywithhtml'});
           my $htmlfree = &make_htmlfree($text);
           foreach my $addr (@recipients) {
               if ($blocked) {
                   $body = $bodybegin."\n".$blocktext."\n".$bodyend;
               } else {
                   my $sendtext;
                   if (!grep/^\Q$addr\E/,@htmlexcerpt) {
                       $sendtext = $htmlfree;
                   } else {
                       $sendtext = $text;
                   }
                   $body = $bodybegin.$bodysubj.$sendtext.$bodyend;
               }
               &sendemail($addr,$subject,$body,$touname,$toudom,$user_lh);
           }
       } else {
           if ($blocked) {
               $body = $bodybegin."\n".$blocktext."\n".$bodyend;
           } else {
               my $htmlfree = &make_htmlfree($text);
               $body = $bodybegin.$bodysubj.$htmlfree.$bodyend;
           }
           &sendemail($to,$subject,$body,$touname,$toudom,$user_lh);
       }
   }
   
  $url  sub make_htmlfree {
       my ($text) = @_;
       $text =~ s/\<\/*[^\>]+\>//gs;
       $text = &HTML::Entities::decode($text);
       $text = &Encode::encode('utf8',$text);
       return $text;
   }
   
 to access the full message.  sub mynewmail{
 ENDMSG   &newmail();
     &sendemail($to,'New'.$critical.' message from '.$sender,$body);   return $env{'user.mailcheck.lastnewmessagetime'} > $env{'user.mailcheck.lastvisit'};
 }  }
 # ============================================================= Check for email  
   
 sub newmail {  sub newmail {
     if ((time-$env{'user.mailcheck.time'})>300) {      if ((time-$env{'user.mailcheck.time'})>300) {
         my %what=&Apache::lonnet::get('email_status',['recnewemail']);          my %what=&Apache::lonnet::get('email_status',['recnewemail']);
         &Apache::lonnet::appenv('user.mailcheck.time'=>time);          &Apache::lonnet::appenv({'user.mailcheck.time'=>time});
    &Apache::lonnet::appenv({'user.mailcheck.lastnewmessagetime'=> $what{'recnewemail'}});
         if ($what{'recnewemail'}>0) { return 1; }          if ($what{'recnewemail'}>0) { return 1; }
     }      }
     return 0;      return 0;
 }  }
   
 # =============================== Automated message to the author of a resource  
   
 =pod  
   
 =item * B<author_res_msg($filename, $message)>: Sends message $message to the owner  
     of the resource with the URI $filename.  
   
 =cut  
   
 sub author_res_msg {  sub author_res_msg {
     my ($filename,$message)=@_;      my ($filename,$message)=@_;
Line 286  sub author_res_msg { Line 611  sub author_res_msg {
        ($msgid,$message)=&packagemsg($filename,$message);         ($msgid,$message)=&packagemsg($filename,$message);
        return &Apache::lonnet::reply('put:'.$domain.':'.$author.         return &Apache::lonnet::reply('put:'.$domain.':'.$author.
          ':nohist_res_msgs:'.           ':nohist_res_msgs:'.
           &Apache::lonnet::escape($filename.'_'.$id).'='.            &escape($filename.'_'.$id).'='.
           &Apache::lonnet::escape($message),$homeserver);            &escape($message),$homeserver);
     }      }
     return 'no_host';      return 'no_host';
 }  }
   
 # =========================================== Retrieve author resource messages  
   
 sub retrieve_author_res_msg {  sub retrieve_author_res_msg {
     my $url=shift;      my $url=shift;
     $url=&Apache::lonnet::declutter($url);      $url=&Apache::lonnet::declutter($url);
     my ($domain,$author)=($url=~/^(\w+)\/(\w+)\//);      $url=~s/^priv\///; # Respect new authorspace path (BZ 1320)
       my ($domain,$author)=($url=~/^($match_domain)\/($match_username)\//);
     my %errormsgs=&Apache::lonnet::dump('nohist_res_msgs',$domain,$author);      my %errormsgs=&Apache::lonnet::dump('nohist_res_msgs',$domain,$author);
     my $msgs='';      my $msgs='';
     foreach (keys %errormsgs) {      foreach (keys %errormsgs) {
Line 312  sub retrieve_author_res_msg { Line 638  sub retrieve_author_res_msg {
 }  }
   
   
 # =============================== Delete all author messages related to one URL  
   
   
 sub del_url_author_res_msg {  sub del_url_author_res_msg {
     my $url=shift;      my $url=shift;
     $url=&Apache::lonnet::declutter($url);      $url=&Apache::lonnet::declutter($url);
     my ($domain,$author)=($url=~/^(\w+)\/(\w+)\//);      my ($domain,$author)=($url=~/^($match_domain)\/($match_username)\//);
     my @delmsgs=();      my @delmsgs=();
     foreach (&Apache::lonnet::getkeys('nohist_res_msgs',$domain,$author)) {      foreach (&Apache::lonnet::getkeys('nohist_res_msgs',$domain,$author)) {
  if ($_=~/^\Q$url\E\_\d+$/) {   if ($_=~/^\Q$url\E\_\d+$/) {
Line 326  sub del_url_author_res_msg { Line 653  sub del_url_author_res_msg {
     }      }
     return &Apache::lonnet::del('nohist_res_msgs',\@delmsgs,$domain,$author);      return &Apache::lonnet::del('nohist_res_msgs',\@delmsgs,$domain,$author);
 }  }
 # =================================== Clear out all author messages in URL path  
   
 sub clear_author_res_msg {  sub clear_author_res_msg {
     my $url=shift;      my $url=shift;
     $url=&Apache::lonnet::declutter($url);      $url=&Apache::lonnet::declutter($url);
     my ($domain,$author)=($url=~/^(\w+)\/(\w+)\//);      my ($domain,$author)=($url=~/^($match_domain)\/($match_username)\//);
     my @delmsgs=();      my @delmsgs=();
     foreach (&Apache::lonnet::getkeys('nohist_res_msgs',$domain,$author)) {      foreach (&Apache::lonnet::getkeys('nohist_res_msgs',$domain,$author)) {
  if ($_=~/^\Q$url\E/) {   if ($_=~/^\Q$url\E/) {
Line 340  sub clear_author_res_msg { Line 667  sub clear_author_res_msg {
     }      }
     return &Apache::lonnet::del('nohist_res_msgs',\@delmsgs,$domain,$author);      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 {  sub all_url_author_res_msg {
     my ($author,$domain)=@_;      my ($author,$domain)=@_;
Line 352  sub all_url_author_res_msg { Line 680  sub all_url_author_res_msg {
     return %returnhash;      return %returnhash;
 }  }
   
 # ================================================== Critical message to a user  
   sub store_instructor_comment {
       my ($msg,$uname,$udom) = @_;
       my $cid  = $env{'request.course.id'};
       my $cnum = $env{'course.'.$cid.'.num'};
       my $cdom = $env{'course.'.$cid.'.domain'};
       my $subject= &mt('Record').' ['.$uname.':'.$udom.']';
       my $result = &user_normal_msg_raw($cnum,$cdom,$subject,$msg);
       if ($result eq 'ok' || $result eq 'con_delayed') {
           
       }
       return $result;
   }
   
   
 sub user_crit_msg_raw {  sub user_crit_msg_raw {
     my ($user,$domain,$subject,$message,$sendback,$toperm,$sentmessage)=@_;      my ($user,$domain,$subject,$message,$sendback,$toperm,$sentmessage,
           $nosentstore,$recipid,$attachmenturl)=@_;
 # Check if allowed missing  # Check if allowed missing
     my $status='';      my ($status,$packed_message);
     my $msgid='undefined';      my $msgid='undefined';
     unless (($message)&&($user)&&($domain)) { $status='empty'; };      unless (($message)&&($user)&&($domain)) { $status='empty'; };
     my $text=$message;      my $text=$message;
     my $homeserver=&Apache::lonnet::homeserver($user,$domain);      my $homeserver=&Apache::lonnet::homeserver($user,$domain);
     if ($homeserver ne 'no_host') {      if ($homeserver ne 'no_host') {
        ($msgid,$message)=&packagemsg($subject,$message);         ($msgid,$packed_message)=&packagemsg($subject,$message,undef,undef,
        if ($sendback) { $message.='<sendback>true</sendback>'; }                                    $attachmenturl,undef,undef,undef,undef,undef,
        $status=&Apache::lonnet::critical(                                    undef,undef,$recipid);
            'put:'.$domain.':'.$user.':critical:'.         if ($sendback) { $packed_message.='<sendback>true</sendback>'; }
            &Apache::lonnet::escape($msgid).'='.         $status=&Apache::lonnet::cput('critical', {$msgid => $packed_message},
            &Apache::lonnet::escape($message),$homeserver);       $domain,$user);
         if (defined($sentmessage)) {          if (defined($sentmessage)) {
             $$sentmessage = $message;              $$sentmessage = $packed_message;
           }
           if (!$nosentstore) {
               (undef,my $packed_message_no_citation) =
               &packagemsg($subject,$message,undef,undef,$attachmenturl,$user,
                           $domain,$msgid);
               if ($status eq 'ok' || $status eq 'con_delayed') {
                   &store_sent_mail($msgid,$packed_message_no_citation);
               }
         }          }
     } else {      } else {
        $status='no_host';         $status='no_host';
     }      }
   
 # Notifications  # Notifications
     my %userenv = &Apache::lonnet::get('environment',['critnotification',      my %userenv = &Apache::loncommon::getemails($user,$domain);
                                                       'permanentemail'],  
                                        $domain,$user);  
     if ($userenv{'critnotification'}) {      if ($userenv{'critnotification'}) {
       &sendnotification($userenv{'critnotification'},$user,$domain,$subject,1,        &sendnotification($userenv{'critnotification'},$user,$domain,$subject,1,
  $text);   $text,$msgid);
     }      }
     if ($toperm && $userenv{'permanentemail'}) {      if ($toperm && $userenv{'permanentemail'}) {
       &sendnotification($userenv{'permanentemail'},$user,$domain,$subject,1,        &sendnotification($userenv{'permanentemail'},$user,$domain,$subject,1,
  $text);   $text,$msgid);
     }      }
 # Log this  # Log this
     &Apache::lonnet::logthis(      &Apache::lonnet::logthis(
Line 398  sub user_crit_msg_raw { Line 747  sub user_crit_msg_raw {
     return $status;      return $status;
 }  }
   
 # New routine that respects "forward" and calls old routine  
   
 =pod  
   
 =item * B<user_crit_msg($user, $domain, $subject, $message, $sendback)>: Sends  
     a critical message $message to the $user at $domain. If $sendback is true,  
     a reciept will be sent to the current user when $user recieves the message.  
   
 =cut  
   
 sub user_crit_msg {  sub user_crit_msg {
     my ($user,$domain,$subject,$message,$sendback,$toperm,$sentmessage)=@_;      my ($user,$domain,$subject,$message,$sendback,$toperm,$sentmessage,
     my $status='';          $nosentstore,$recipid,$attachmenturl)=@_;
       my @status;
     my %userenv = &Apache::lonnet::get('environment',['msgforward'],      my %userenv = &Apache::lonnet::get('environment',['msgforward'],
                                        $domain,$user);                                         $domain,$user);
     my $msgforward=$userenv{'msgforward'};      my $msgforward=$userenv{'msgforward'};
     if ($msgforward) {      if ($msgforward) {
        foreach (split(/\,/,$msgforward)) {         foreach my $addr (split(/\,/,$msgforward)) {
  my ($forwuser,$forwdomain)=split(/\:/,$_);   my ($forwuser,$forwdomain)=split(/\:/,$addr);
          $status.=           push(@status,
    &user_crit_msg_raw($forwuser,$forwdomain,$subject,$message,        &user_crit_msg_raw($forwuser,$forwdomain,$subject,$message,
                 $sendback,$toperm,$sentmessage).' ';   $sendback,$toperm,$sentmessage,$nosentstore,
                                    $recipid,$attachmenturl));
        }         }
     } else {       } else { 
  $status=&user_crit_msg_raw($user,$domain,$subject,$message,$sendback,$toperm,$sentmessage);   push(@status,
        &user_crit_msg_raw($user,$domain,$subject,$message,$sendback,
    $toperm,$sentmessage,$nosentstore,$recipid,
                                   $attachmenturl));
     }      }
     return $status;      if (wantarray) {
    return @status;
       }
       return join(' ',@status);
 }  }
   
 # =================================================== Critical message received  
   
 sub user_crit_received {  sub user_crit_received {
     my $msgid=shift;      my $msgid=shift;
     my %message=&Apache::lonnet::get('critical',[$msgid]);      my %message=&Apache::lonnet::get('critical',[$msgid]);
     my %contents=&unpackagemsg($message{$msgid},1);      my %contents=&unpackagemsg($message{$msgid},1);
       my $destname = $contents{'sendername'};
       my $destdom = $contents{'senderdomain'};
       if ($contents{'replytoaddr'}) {
           my ($repname,$repdom) = split(/:/,$contents{'replytoaddr'});
           if (&Apache::lonnet::homeserver($repname,$repdom) ne 'no_host') {
               $destname = $repname;
               $destdom = $repdom;    
           }
       }
     my $status='rec: '.($contents{'sendback'}?      my $status='rec: '.($contents{'sendback'}?
      &user_normal_msg($contents{'sendername'},$contents{'senderdomain'},       &user_normal_msg($destname,$destdom,&mt('Receipt').': '.$env{'user.name'}.
                      &mt('Receipt').': '.$env{'user.name'}.' '.&mt('at').' '.$env{'user.domain'}.', '.$contents{'subject'},                        ' '.&mt('at').' '.$env{'user.domain'}.', '.
                      &mt('User').' '.$env{'user.name'}.' '.&mt('at').' '.$env{'user.domain'}.                        $contents{'subject'},&mt('User').' '.$env{'user.name'}.
                      ' acknowledged receipt of message'."\n".'   "'.                        ' '.&mt('at').' '.$env{'user.domain'}.
                      $contents{'subject'}.'"'."\n".&mt('dated').' '.                        ' acknowledged receipt of message'."\n".'   "'.
                      $contents{'time'}.".\n"                        $contents{'subject'}.'"'."\n".&mt('dated').' '.
                      ):'no msg req');                        $contents{'time'}.".\n"
                         ):'no msg req');
     $status.=' trans: '.      $status.=' trans: '.
      &Apache::lonnet::put(       &Apache::lonnet::put(
      'nohist_email',{$contents{'msgid'} => $message{$msgid}});       'nohist_email',{$contents{'msgid'} => $message{$msgid}});
Line 453  sub user_crit_received { Line 811  sub user_crit_received {
     return $status;      return $status;
 }  }
   
 # ======================================================== Normal communication  
   
   
 sub user_normal_msg_raw {  sub user_normal_msg_raw {
     my ($user,$domain,$subject,$message,$citation,$baseurl,$attachmenturl,      my ($user,$domain,$subject,$message,$citation,$baseurl,$attachmenturl,
  $toperm,$currid,$newid,$sentmessage,$crsmsgid)=@_;          $toperm,$currid,$newid,$sentmessage,$crsmsgid,$symb,$restitle,
           $error,$nosentstore,$recipid)=@_;
 # Check if allowed missing  # Check if allowed missing
     my ($status,$packed_message);      my ($status,$packed_message);
     my $msgid='undefined';      my $msgid='undefined';
Line 468  sub user_normal_msg_raw { Line 828  sub user_normal_msg_raw {
        ($msgid,$packed_message)=         ($msgid,$packed_message)=
                  &packagemsg($subject,$message,$citation,$baseurl,                   &packagemsg($subject,$message,$citation,$baseurl,
                                      $attachmenturl,$user,$domain,$currid,                                       $attachmenturl,$user,$domain,$currid,
                                                          undef,$crsmsgid);                                       undef,$crsmsgid,$symb,$error,$recipid);
   
 # Store in user folder  # Store in user folder
        $status=&Apache::lonnet::critical(         $status=
            'put:'.$domain.':'.$user.':nohist_email:'.     &Apache::lonnet::cput('nohist_email',{$msgid => $packed_message},
            &Apache::lonnet::escape($msgid).'='.   $domain,$user);
            &Apache::lonnet::escape($packed_message),$homeserver);  
 # Save new message received time  # Save new message received time
        &Apache::lonnet::put         &Apache::lonnet::put
                          ('email_status',{'recnewemail'=>time},$domain,$user);                           ('email_status',{'recnewemail'=>time},$domain,$user);
 # Into sent-mail folder unless a broadcast message or critical message  # Into sent-mail folder if sent mail storage required
        unless (($env{'request.course.id'}) &&          if (!$nosentstore) {
                (($env{'form.sendmode'} eq 'group')  ||              (undef,my $packed_message_no_citation) =
                (($env{'form.critmsg'}) || ($env{'form.sendbck'})) &&                 &packagemsg($subject,$message,undef,$baseurl,$attachmenturl,
                (&Apache::lonnet::allowed('srm',$env{'request.course.id'})                             $user,$domain,$currid,undef,$crsmsgid,$symb,$error);
  || &Apache::lonnet::allowed('srm',$env{'request.course.id'}.             if ($status eq 'ok' || $status eq 'con_delayed') {
     '/'.$env{'request.course.sec'})))) {                 &store_sent_mail($msgid,$packed_message_no_citation);
            (undef, my $packed_message_no_citation)=             }
                              &packagemsg($subject,$message,undef     ,$baseurl,         }
                                           $attachmenturl,$user,$domain,$currid,         if (ref($newid) eq 'SCALAR') {
                                                               undef,$crsmsgid);     $$newid = $msgid;
          }
            $status .= &store_sent_mail($msgid,$packed_message_no_citation);         if (ref($sentmessage) eq 'SCALAR') {
      $$sentmessage = $packed_message;
        }         }
     } else {  
        $status='no_host';  
     }  
     if (defined($newid)) {  
         $$newid = $msgid;  
     }  
     if (defined($sentmessage)) {  
         $$sentmessage = $packed_message;  
     }  
   
 # Notifications  # Notifications
     my %userenv = &Apache::lonnet::get('environment',['notification',         my %userenv = &Apache::loncommon::getemails($user,$domain);
                                                       'permanentemail'],         if ($userenv{'notification'}) {
                                        $domain,$user);     &sendnotification($userenv{'notification'},$user,$domain,$subject,0,
     if ($userenv{'notification'}) {       $text,$msgid);
  &sendnotification($userenv{'notification'},$user,$domain,$subject,0,         }
   $text);         if ($toperm && $userenv{'permanentemail'}) {
     }             if ((!$userenv{'notification'}) || ($userenv{'notification'} ne $userenv{'permanentemail'})) {
     if ($toperm && $userenv{'permanentemail'}) {         &sendnotification($userenv{'permanentemail'},$user,$domain,$subject,0,
  &sendnotification($userenv{'permanentemail'},$user,$domain,$subject,0,             $text,$msgid);
   $text);             }
     }         }
     &Apache::lonnet::log($env{'user.domain'},$env{'user.name'},         &Apache::lonnet::log($env{'user.domain'},$env{'user.name'},
                          $env{'user.home'},      $env{'user.home'},
       'Sending '.$msgid.' to '.$user.' at '.$domain.' with status: '.$status);      'Sending '.$msgid.' to '.$user.' at '.$domain.' with status: '.$status);
      } else {
          $status='no_host';
      }
     return $status;      return $status;
 }  }
   
 # New routine that respects "forward" and calls old routine  
   
 =pod  
   
 =item * B<user_normal_msg($user, $domain, $subject, $message,  
     $citation, $baseurl, $attachmenturl)>: Sends a message to the  
     $user at $domain, with subject $subject and message $message.  
   
 =cut  
   
 sub user_normal_msg {  sub user_normal_msg {
     my ($user,$domain,$subject,$message,$citation,$baseurl,$attachmenturl,      my ($user,$domain,$subject,$message,$citation,$baseurl,$attachmenturl,
  $toperm,$sentmessage)=@_;   $toperm,$sentmessage,$symb,$restitle,$error,$nosentstore,$recipid)=@_;
     my $status='';      my @status;
     my %userenv = &Apache::lonnet::get('environment',['msgforward'],      my %userenv = &Apache::lonnet::get('environment',['msgforward'],
                                        $domain,$user);                                         $domain,$user);
     my $msgforward=$userenv{'msgforward'};      my $msgforward=$userenv{'msgforward'};
     if ($msgforward) {      if ($msgforward) {
         foreach (split(/\,/,$msgforward)) {          foreach (split(/\,/,$msgforward)) {
     my ($forwuser,$forwdomain)=split(/\:/,$_);      my ($forwuser,$forwdomain)=split(/\:/,$_);
     $status.=      push(@status,
         &user_normal_msg_raw($forwuser,$forwdomain,$subject,$message,          &user_normal_msg_raw($forwuser,$forwdomain,$subject,$message,
      $citation,$baseurl,$attachmenturl,$toperm,       $citation,$baseurl,$attachmenturl,$toperm,
      undef,undef,$sentmessage).' ';       undef,undef,$sentmessage,undef,$symb,
                                        $restitle,$error,$nosentstore,$recipid));
         }          }
     } else {       } else {
  $status=&user_normal_msg_raw($user,$domain,$subject,$message,   push(@status,&user_normal_msg_raw($user,$domain,$subject,$message,
      $citation,$baseurl,$attachmenturl,$toperm,       $citation,$baseurl,$attachmenturl,$toperm,
      undef,undef,$sentmessage);       undef,undef,$sentmessage,undef,$symb,
                                        $restitle,$error,$nosentstore,$recipid));
       }
       if (wantarray) {
           return @status;
       }
       return join(' ',@status);
   }
   
   sub process_sent_mail {
       my ($msgsubj,$subj_prefix,$numsent,$stamp,$msgname,$msgdom,$msgcount,$context,$pid,$savemsg,$recusers,$recudoms,$baseurl,$attachmenturl,$symb,$error,$senderuname,$senderdom,$recipid) = @_;
       my $sentsubj;
       if ($numsent > 1) {
           $sentsubj = $subj_prefix.' ('.$numsent.' sent) '.$msgsubj;
       } else {
           if ($subj_prefix) {
               $sentsubj = $subj_prefix.' ';
           }
           $sentsubj .= $msgsubj;
     }      }
       $sentsubj = &HTML::Entities::encode($sentsubj,'<>&"');
       my $sentmsgid = 
           &buildmsgid($stamp,$sentsubj,$msgname,$msgdom,$msgcount,$context,$pid);
       (undef,my $sentmessage) =
           &packagemsg($msgsubj,$savemsg,undef,$baseurl,$attachmenturl,$recusers,
                       $recudoms,$sentmsgid,undef,undef,$symb,$error,$recipid);
       my $status = &store_sent_mail($sentmsgid,$sentmessage,$senderuname,
                                     $senderdom);
     return $status;      return $status;
 }  }
   
 sub store_sent_mail {  sub store_sent_mail {
     my ($msgid,$message) = @_;      my ($msgid,$message,$senderuname,$senderdom) = @_;
     my $status =' '.&Apache::lonnet::critical(      if ($senderuname eq '') {
                'put:'.$env{'user.domain'}.':'.$env{'user.name'}.          $senderuname = $env{'user.name'};
                                           ':nohist_email_sent:'.      }
                &Apache::lonnet::escape($msgid).'='.      if ($senderdom eq '') {
                &Apache::lonnet::escape($message),$env{'user.home'});          $senderdom = $env{'user.domain'};
       }
       my $status =' '.&Apache::lonnet::cput('nohist_email_sent',
     {$msgid => $message},
     $senderdom,$senderuname);
     return $status;      return $status;
 }  }
   
 # =============================================================== Folder suffix  sub store_recipients {
       my ($subject,$sendername,$senderdom,$reciphash) = @_;
       my $context = &get_course_context();
       my $now = time();
       my $msgcount = &get_uniq();
       my $recipid =
           &buildmsgid($now,$subject,$sendername,$senderdom,$msgcount,$context,$$);
       my %recipinfo = (
                            $recipid => $reciphash,
                       );
       my $status = &Apache::lonnet::put('nohist_emailrecip',\%recipinfo,
                                         $senderdom,$sendername); 
       if ($status eq 'ok') {
           return ($recipid,$status);
       } else {
           return (undef,$status);
       }
   }
   
   
 sub foldersuffix {  sub foldersuffix {
     my $folder=shift;      my $folder=shift;
     unless ($folder) { return ''; }      unless ($folder) { return ''; }
     return '_'.&Apache::lonnet::escape($folder);      my $suffix;
       my %folderhash = &get_user_folders($folder);
       if (ref($folderhash{$folder}) eq 'HASH') {
           $suffix = '_'.&escape($folderhash{$folder}{'id'});
       } else {
           $suffix = '_'.&escape($folder);
       }
       return $suffix;
   }
   
   
   sub get_user_folders {
       my ($folder) = @_;
       my %userfolders = 
             &Apache::lonnet::dump('email_folders',undef,undef,$folder);
       my $lock = "\0".'lock_counter'; # locks db while counter incremented
       my $counter = "\0".'idcount';   # used in suffix for email db files
       if (defined($userfolders{$lock})) {
           delete($userfolders{$lock});
       }
       if (defined($userfolders{$counter})) {
           delete($userfolders{$counter});
       }
       return %userfolders;
   }
   
   sub secapply {
       my $rec=shift;
       my $defaultflag=shift;
       $rec=~s/\s+//g;
       unless ($rec =~ /\:/) {
           $rec=~s/\@/\:/g;
       }
       my ($adr,$sections_or_groups)=($rec=~/^([^\(]+)\(([^\)]+)\)/);
       if ($sections_or_groups) {
    foreach my $item (split(/\;/,$sections_or_groups)) {
               if (($item eq $env{'request.course.sec'}) ||
                   ($defaultflag && ($item eq '*'))) {
                   return $adr; 
               } elsif ($env{'request.course.groups'}) {
                   my @usersgroups = split(/:/,$env{'request.course.groups'});
                   if (grep(/^\Q$item\E$/,@usersgroups)) {
                       return $adr;
                   }
               } 
           }
       } else {
          return $rec;
       }
       return '';
   }
   
   sub decide_receiver {
       my ($feedurl,$author,$question,$course,$policy,$defaultflag) = @_;
       &Apache::lonenc::check_decrypt(\$feedurl);
       my $typestyle='';
       my %to=();
       if ($env{'form.discuss'} eq 'author' ||$author) {
    $typestyle.='Submitting as Author Feedback<br />';
    $feedurl=~ m{^/res/($LONCAPA::domain_re)/($LONCAPA::username_re)/};
    $to{$2.':'.$1}=1;
       }
       my $cid = $env{'request.course.id'};
       if ($env{'form.discuss'} eq 'question' ||$question) {
    $typestyle.=&mt('Submitting as Question').'<br />';
    foreach my $item (split(/\,/,$env{'course.'.$cid.'.question.email'})) {
       my $rec=&secapply($item,$defaultflag);
       if ($rec) { $to{$rec}=1; }
    } 
       }
       if ($env{'form.discuss'} eq 'course' ||$course) {
    $typestyle.=&mt('Submitting as Comment').'<br />';
    foreach my $item (split(/\,/,$env{'course.'.$cid.'.comment.email'})) {
       my $rec=&secapply($item,$defaultflag);
       if ($rec) { $to{$rec}=1; }
    } 
       }
       if ($env{'form.discuss'} eq 'policy' ||$policy) {
    $typestyle.=&mt('Submitting as Policy Feedback').'<br />';
    foreach my $item (split(/\,/,$env{'course.'.$cid.'.policy.email'})) {
       my $rec=&secapply($item,$defaultflag);
       if ($rec) { $to{$rec}=1; }
    } 
       }
       if ((scalar(%to) eq '0') && (!$defaultflag)) {
    ($typestyle,%to)=
       &decide_receiver($feedurl,$author,$question,$course,$policy,1);
       }
       return ($typestyle,%to);
 }  }
   
 1;  1;
Removed from v.1.182  
changed lines
  Added in v.1.233

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