--- loncom/interface/lonmsg.pm	2006/12/05 02:55:53	1.187
+++ loncom/interface/lonmsg.pm	2006/12/27 18:00:00	1.192
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Routines for messaging
 #
-# $Id: lonmsg.pm,v 1.187 2006/12/05 02:55:53 albertel Exp $
+# $Id: lonmsg.pm,v 1.192 2006/12/27 18:00:00 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -47,7 +47,7 @@ use LONCAPA qw(:DEFAULT :match);
 
 sub packagemsg {
     my ($subject,$message,$citation,$baseurl,$attachmenturl,
-	$recuser,$recdomain,$msgid,$type,$crsmsgid)=@_;
+	$recuser,$recdomain,$msgid,$type,$crsmsgid,$symb,$error)=@_;
     $message =&HTML::Entities::encode($message,'<>&"');
     $citation=&HTML::Entities::encode($citation,'<>&"');
     $subject =&HTML::Entities::encode($subject,'<>&"');
@@ -78,7 +78,7 @@ sub packagemsg {
     my $msgcount = &get_uniq();
     unless(defined($msgid)) {
         $msgid = &buildmsgid($now,$subject,$env{'user.name'},$env{'user.domain'},
-                            $msgcount,$course_context,$$);
+                           $msgcount,$course_context,$symb,$error,$$);
     }
     my $result = '<sendername>'.$env{'user.name'}.'</sendername>'.
            '<senderdomain>'.$env{'user.domain'}.'</senderdomain>'.
@@ -134,7 +134,18 @@ sub packagemsg {
     if (defined($attachmenturl)) {
 	$result.= '<attachmenturl>'.$attachmenturl.'</attachmenturl>';
     }
-    return $msgid,$result;
+    if (defined($symb)) {
+        $result.= '<symb>'.$symb.'</symb>';
+        if (defined($course_context)) {
+            if ($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>';
+                }
+            }
+        }
+    }
+    return ($msgid,$result);
 }
 
 # ================================================== Unpack message into a hash
@@ -178,19 +189,21 @@ sub unpackagemsg {
 # ======================================================= Get info out of msgid
 
 sub buildmsgid {
-    my ($now,$subject,$uname,$udom,$msgcount,$course_context,$pid) = @_;
+    my ($now,$subject,$uname,$udom,$msgcount,$course_context,$symb,$error,$pid) = @_;
     $subject=&escape($subject);
+    $symb = &escape($symb);
     return(&escape($now.':'.$subject.':'.$uname.':'.
-           $udom.':'.$msgcount.':'.$course_context.':'.$pid));
+           $udom.':'.$msgcount.':'.$course_context.':'.$pid.':'.$symb.':'.$error));
 }
 
 sub unpackmsgid {
     my ($msgid,$folder,$skipstatus,$status_cache)=@_;
     $msgid=&unescape($msgid);
     my ($sendtime,$shortsubj,$fromname,$fromdomain,$count,$fromcid,
-                     $processid)=split(/\:/,&unescape($msgid));
+        $processid,$symb,$error) = split(/\:/,&unescape($msgid));
     $shortsubj = &unescape($shortsubj);
     $shortsubj = &HTML::Entities::decode($shortsubj);
+    $symb = &unescape($symb);
     if (!defined($processid)) { $fromcid = ''; }
     my %status=();
     unless ($skipstatus) {
@@ -203,7 +216,7 @@ sub unpackmsgid {
 	if ($status{$msgid}=~/^error\:/) { $status{$msgid}=''; }
         unless ($status{$msgid}) { $status{$msgid}='new'; }
     }
-    return ($sendtime,$shortsubj,$fromname,$fromdomain,$status{$msgid},$fromcid);
+    return ($sendtime,$shortsubj,$fromname,$fromdomain,$status{$msgid},$fromcid,$symb,$error);
 }
 
 
@@ -223,7 +236,7 @@ sub sendemail {
     my $msg = new Mail::Send;
     $msg->to($to);
     $msg->subject('[LON-CAPA] '.$subject);
-    if ($senderaddress) { $msg->add('Reply-to',$senderaddress); }
+    if ($senderaddress) { $msg->add('Reply-to',$senderaddress); $msg->add('From',$senderaddress); }
     if (my $fh = $msg->open()) {
 	print $fh $body;
 	$fh->close;
@@ -379,24 +392,29 @@ sub store_instructor_comment {
 sub user_crit_msg_raw {
     my ($user,$domain,$subject,$message,$sendback,$toperm,$sentmessage)=@_;
 # Check if allowed missing
-    my $status='';
+    my ($status,$packed_message);
     my $msgid='undefined';
     unless (($message)&&($user)&&($domain)) { $status='empty'; };
     my $text=$message;
     my $homeserver=&Apache::lonnet::homeserver($user,$domain);
     if ($homeserver ne 'no_host') {
-       ($msgid,$message)=&packagemsg($subject,$message);
-       if ($sendback) { $message.='<sendback>true</sendback>'; }
+       ($msgid,$packed_message)=&packagemsg($subject,$message);
+       if ($sendback) { $packed_message.='<sendback>true</sendback>'; }
        $status=&Apache::lonnet::critical(
            'put:'.$domain.':'.$user.':critical:'.
            &escape($msgid).'='.
-           &escape($message),$homeserver);
+           &escape($packed_message),$homeserver);
         if (defined($sentmessage)) {
-            $$sentmessage = $message;
+            $$sentmessage = $packed_message;
         }
+        (undef,my $packed_message_no_citation) =
+            &packagemsg($subject,$message,undef,undef,undef,$user,$domain,
+                        $msgid);
+        $status .= &store_sent_mail($msgid,$packed_message_no_citation);
     } else {
        $status='no_host';
     }
+
 # Notifications
     my %userenv = &Apache::loncommon::getemails($user,$domain);
     if ($userenv{'critnotification'}) {
@@ -490,7 +508,8 @@ sub user_crit_received {
 
 sub user_normal_msg_raw {
     my ($user,$domain,$subject,$message,$citation,$baseurl,$attachmenturl,
-	$toperm,$currid,$newid,$sentmessage,$crsmsgid)=@_;
+        $toperm,$currid,$newid,$sentmessage,$crsmsgid,$symb,$restitle,
+        $error)=@_;
 # Check if allowed missing
     my ($status,$packed_message);
     my $msgid='undefined';
@@ -501,7 +520,7 @@ sub user_normal_msg_raw {
        ($msgid,$packed_message)=
 	                 &packagemsg($subject,$message,$citation,$baseurl,
                                      $attachmenturl,$user,$domain,$currid,
-                                                         undef,$crsmsgid);
+                                     undef,$crsmsgid,$symb,$error);
 
 # Store in user folder
        $status=&Apache::lonnet::critical(
@@ -518,11 +537,9 @@ sub user_normal_msg_raw {
                (&Apache::lonnet::allowed('srm',$env{'request.course.id'})
 		|| &Apache::lonnet::allowed('srm',$env{'request.course.id'}.
 					    '/'.$env{'request.course.sec'})))) {
-           (undef, my $packed_message_no_citation)=
-                             &packagemsg($subject,$message,undef     ,$baseurl,
-                                          $attachmenturl,$user,$domain,$currid,
-                                                              undef,$crsmsgid);
-
+           (undef,my $packed_message_no_citation) =
+               &packagemsg($subject,$message,undef,$baseurl,$attachmenturl,
+                           $user,$domain,$currid,undef,$crsmsgid,$symb,$error);
            $status .= &store_sent_mail($msgid,$packed_message_no_citation);
        }
     } else {
@@ -557,15 +574,15 @@ sub user_normal_msg_raw {
 
 =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 $message.
+=item * B<user_normal_msg($user, $domain, $subject, $message, $citation,
+       $baseurl, $attachmenturl, $toperm, $sentmessage, $symb, $restitle, $error)>:
+ Sends a message to the  $user at $domain, with subject $subject and message $message.
 
 =cut
 
 sub user_normal_msg {
     my ($user,$domain,$subject,$message,$citation,$baseurl,$attachmenturl,
-	$toperm,$sentmessage)=@_;
+	$toperm,$sentmessage,$symb,$restitle,$error)=@_;
     my $status='';
     my %userenv = &Apache::lonnet::get('environment',['msgforward'],
                                        $domain,$user);
@@ -576,12 +593,12 @@ sub user_normal_msg {
 	    $status.=
 	        &user_normal_msg_raw($forwuser,$forwdomain,$subject,$message,
 				     $citation,$baseurl,$attachmenturl,$toperm,
-				     undef,undef,$sentmessage).' ';
+				     undef,undef,$sentmessage,undef,$symb,$restitle,$error).' ';
         }
-    } else { 
+    } else {
 	$status=&user_normal_msg_raw($user,$domain,$subject,$message,
 				     $citation,$baseurl,$attachmenturl,$toperm,
-				     undef,undef,$sentmessage);
+				     undef,undef,$sentmessage,undef,$symb,$restitle,$error);
     }
     return $status;
 }
@@ -601,7 +618,31 @@ sub store_sent_mail {
 sub foldersuffix {
     my $folder=shift;
     unless ($folder) { return ''; }
-    return '_'.&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 $suffix;
+}
+
+# ========================================================= User-defined folders 
+
+sub get_user_folders {
+    my ($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;
 }
 
 1;