--- loncom/interface/lonmsg.pm	2001/10/01 19:24:49	1.23
+++ loncom/interface/lonmsg.pm	2001/12/19 17:17:46	1.26
@@ -1,7 +1,31 @@
 # The LearningOnline Network with CAPA
-#
 # Routines for messaging
 #
+# $Id: lonmsg.pm,v 1.26 2001/12/19 17:17:46 albertel Exp $
+#
+# Copyright Michigan State University Board of Trustees
+#
+# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
+#
+# LON-CAPA is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# LON-CAPA is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with LON-CAPA; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+# /home/httpd/html/adm/gpl.txt
+#
+# http://www.lon-capa.org/
+#
+#
 # (Routines to control the menu
 #
 # (TeX Conversion Module
@@ -14,7 +38,7 @@
 # 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 Gerd Kortemeyer
+# 10/1,11/5 Gerd Kortemeyer
 
 package Apache::lonmsg;
 
@@ -115,7 +139,7 @@ sub author_res_msg {
 # ================================================== Critical message to a user
 
 sub user_crit_msg {
-    my ($user,$domain,$subject,$message)=@_;
+    my ($user,$domain,$subject,$message,$sendback)=@_;
 # Check if allowed missing
     my $status='';
     my $msgid='undefined';
@@ -123,6 +147,7 @@ sub user_crit_msg {
     my $homeserver=&Apache::lonnet::homeserver($user,$domain);
     if ($homeserver ne 'no_host') {
        ($msgid,$message)=&packagemsg($subject,$message);
+       if ($sendback) { $message.='<sendback>true</sendback>'; }
        $status=&Apache::lonnet::critical(
            'put:'.$domain.':'.$user.':critical:'.
            &Apache::lonnet::escape($msgid).'='.
@@ -146,13 +171,13 @@ sub user_crit_received {
     my $msgid=shift;
     my %message=&Apache::lonnet::get('critical',[$msgid]);
     my %contents=&unpackagemsg($message{$msgid});
-    my $status='rec: '.
+    my $status='rec: '.($contents{'sendback'}?
      &user_normal_msg($contents{'sendername'},$contents{'senderdomain'},
                      'Receipt: '.$ENV{'user.name'}.' at '.$ENV{'user.domain'},
                      'User '.$ENV{'user.name'}.' at '.$ENV{'user.domain'}.
                      ' acknowledged receipt of message "'.
                      $contents{'subject'}.'" dated '.$contents{'time'}.".\n\n"
-                     .'Message ID: '.$contents{'msgid'});
+                     .'Message ID: '.$contents{'msgid'}):'no msg req');
     $status.=' trans: '.
      &Apache::lonnet::put(
      'nohist_email',{$contents{'msgid'} => $message{$msgid}});
@@ -308,7 +333,9 @@ sub comprep {
       my $dispcrit='';
       if (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) {
          $dispcrit=
-	     '<input type=checkbox name=critmsg> Send as critical message<p>';
+ '<input type=checkbox name=critmsg> Send as critical message<br>'.
+ '<input type=checkbox name=sendbck> Send as critical message'.
+ ' and return receipt<p>';
       }
       $r->print(<<"ENDREPLY");
 <form action="/adm/email" method=post>
@@ -327,7 +354,8 @@ ENDREPLY
 
 sub disall {
     my $r=shift;
-    $r->print('<h1>Display All Messages</h1>'.
+    $r->print(
+     '<h1>Display All Messages</h1><form method=post action="/adm/email">'.
      '<table border=2><tr><th colspan=2>&nbsp</th><th>Date</th>'.
      '<th>Username</th><th>Domain</th><th>Subject</th><th>Status</th></tr>');
     map {
@@ -345,7 +373,8 @@ sub disall {
         }
         $r->print('<td><a href="/adm/email?display='.$_.
                   '">Open</a></td><td><a href="/adm/email?markdel='.$_.
-                  '">Delete</a></td><td>'.localtime($sendtime).'</td><td>'.
+                '">Delete</a><input type=checkbox name="delmark_'.$_.'"></td>'.
+                  '<td>'.localtime($sendtime).'</td><td>'.
                   $fromname.'</td><td>'.$fromdomain.'</td><td>'.
 		      &Apache::lonnet::unescape($shortsubj).'</td><td>'.
                       $status.'</td></tr>');
@@ -354,7 +383,9 @@ sub disall {
 					$ENV{'user.domain'}.':'.
                                         $ENV{'user.name'}.':nohist_email',
                                         $ENV{'user.home'}));
-    $r->print('</table></body></html>');
+    $r->print('</table><p>'.
+              '<input type=submit name="markeddel" value="Delete Checked">'.
+              '</form></body></html>');
 }
 
 # ============================================================== Compose output
@@ -367,7 +398,9 @@ sub compout {
     my $func='Send New';
       if (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) {
          $dispcrit=
-	     '<input type=checkbox name=critmsg> Send as critical message<p>';
+ '<input type=checkbox name=critmsg> Send as critical message<br>'.
+ '<input type=checkbox name=sendbck> Send as critical message'.
+ ' and return receipt<p>';
       }
     if ($forwarding) {
        $dispcrit.='<input type=hidden name=forwid value="'.
@@ -493,13 +526,14 @@ sub handler {
       my %message=&Apache::lonnet::get('nohist_email',[$msgid]);
       my %content=&unpackagemsg($message{$msgid});
       &statuschange($msgid,'replied');
-      if (($ENV{'form.critmsg'}) && 
+      if ((($ENV{'form.critmsg'}) || ($ENV{'form.sendbck'})) && 
           (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}))) {
          $r->print('Sending critical: '.
                 &user_crit_msg($content{'sendername'},
                                  $content{'senderdomain'},
                                  $ENV{'form.subject'},
-                                 $ENV{'form.message'}));
+                                 $ENV{'form.message'},
+                                 $ENV{'form.sendbck'}));
       } else {
          $r->print('Sending: '.&user_normal_msg($content{'sendername'},
                                  $content{'senderdomain'},
@@ -533,6 +567,16 @@ sub handler {
   } elsif ($ENV{'form.markdel'}) {
       &statuschange($ENV{'form.markdel'},'deleted');
       &disall($r);
+  } elsif ($ENV{'form.markeddel'}) {
+      my $total=0;
+      map {
+          if ($_=~/^form\.delmark_(.*)$/) {
+	      &statuschange(&Apache::lonnet::unescape($1),'deleted');
+              $total++;
+          }
+      } keys %ENV;
+      $r->print('Deleted '.$total.' message(s)<p>');
+      &disall($r);
   } elsif ($ENV{'form.markunread'}) {
       &statuschange($ENV{'form.markunread'},'new');
       &disall($r);
@@ -578,13 +622,13 @@ sub handler {
       my ($recuname,$recdomain)=split(/\:/,$_);
       my $msgtxt=$ENV{'form.message'};
       if ($toaddr{$_}) { $msgtxt.='<hr>'.$toaddr{$_}; }    
-      if (($ENV{'form.critmsg'}) && 
+      if ((($ENV{'form.critmsg'}) || ($ENV{'form.sendbck'})) && 
           (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}))) {
          $r->print('Sending critical: '.
                 &user_crit_msg($recuname,$recdomain,
                                  $ENV{'form.subject'},
                                  $msgtxt,
-                                 $content{'citation'}));
+                                 $ENV{'form.sendbck'}));
       } else {
          $r->print('Sending: '.&user_normal_msg($recuname,$recdomain,
                                  $ENV{'form.subject'},