--- loncom/interface/lonmsg.pm	2002/08/28 14:11:27	1.37
+++ loncom/interface/lonmsg.pm	2003/04/02 00:50:46	1.53
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Routines for messaging
 #
-# $Id: lonmsg.pm,v 1.37 2002/08/28 14:11:27 www Exp $
+# $Id: lonmsg.pm,v 1.53 2003/04/02 00:50:46 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -47,21 +47,27 @@ package Apache::lonmsg;
 use strict;
 use Apache::lonnet();
 use vars qw($msgcount);
-use HTML::TokeParser;
+use HTML::TokeParser();
 use Apache::Constants qw(:common);
-use Apache::loncommon;
-use Apache::lontexconvert;
+use Apache::loncommon();
+use Apache::lontexconvert();
+use HTML::Entities();
+use Mail::Send;
 
 # ===================================================================== Package
 
 sub packagemsg {
-    my ($subject,$message,$citation)=@_;
-    $message=~s/\</\&lt\;/g;
-    $message=~s/\>/\&gt\;/g;
-    $citation=~s/\</\&lt\;/g;
-    $citation=~s/\>/\&gt\;/g;
-    $subject=~s/\</\&lt\;/g;
-    $subject=~s/\>/\&gt\;/g;
+    my ($subject,$message,$citation,$baseurl,$attachmenturl)=@_;
+    $message =&HTML::Entities::encode($message);
+    $citation=&HTML::Entities::encode($citation);
+    $subject =&HTML::Entities::encode($subject);
+    #remove machine specification
+    $baseurl =~ s|^http://[^/]+/|/|;
+    $baseurl =&HTML::Entities::encode($baseurl);
+    #remove machine specification
+    $attachmenturl =~ s|^http://[^/]+/|/|;
+    $attachmenturl =&HTML::Entities::encode($attachmenturl);
+
     my $now=time;
     $msgcount++;
     my $partsubj=$subject;
@@ -69,8 +75,7 @@ sub packagemsg {
     my $msgid=&Apache::lonnet::escape(
            $now.':'.$partsubj.':'.$ENV{'user.name'}.':'.
            $ENV{'user.domain'}.':'.$msgcount.':'.$$);
-    return $msgid,
-           '<sendername>'.$ENV{'user.name'}.'</sendername>'.
+    my $result='<sendername>'.$ENV{'user.name'}.'</sendername>'.
            '<senderdomain>'.$ENV{'user.domain'}.'</senderdomain>'.
            '<subject>'.$subject.'</subject>'.
 	   '<time>'.localtime($now).'</time>'.
@@ -86,14 +91,23 @@ sub packagemsg {
 	   '<role>'.$ENV{'request.role'}.'</role>'.
 	   '<resource>'.$ENV{'request.filename'}.'</resource>'.
            '<msgid>'.$msgid.'</msgid>'.
-	   '<message>'.$message.'</message>'.
-	   '<citation>'.$citation.'</citation>';
+	   '<message>'.$message.'</message>';
+    if (defined($citation)) {
+	$result.='<citation>'.$citation.'</citation>';
+    }
+    if (defined($baseurl)) {
+	$result.= '<baseurl>'.$baseurl.'</baseurl>';
+    }
+    if (defined($attachmenturl)) {
+	$result.= '<attachmenturl>'.$attachmenturl.'</attachmenturl>';
+    }
+    return $msgid,$result;
 }
 
 # ================================================== Unpack message into a hash
 
 sub unpackagemsg {
-    my $message=shift;
+    my ($message,$notoken)=@_;
     my %content=();
     my $parser=HTML::TokeParser->new(\$message);
     my $token;
@@ -104,6 +118,16 @@ sub unpackagemsg {
            $content{$entry}=$value;
        }
     }
+    if ($content{'attachmenturl'}) {
+       my ($fname,$ft)=($content{'attachmenturl'}=~/\/(\w+)\.(\w+)$/);
+       if ($notoken) {
+	   $content{'message'}.='<p>Attachment: <tt>'.$fname.'.'.$ft.'</tt>';
+       } else {
+	   $content{'message'}.='<p>Attachment: <a href="'.
+	       &Apache::lonnet::tokenwrapper($content{'attachmenturl'}).
+	       '"><tt>'.$fname.'.'.$ft.'</tt></a>';
+       }
+    }
     return %content;
 }
 
@@ -119,6 +143,53 @@ sub unpackmsgid {
     return ($sendtime,$shortsubj,$fromname,$fromdomain,$status{$msgid});
 } 
 
+
+sub sendemail {
+    my ($to,$subject,$body)=@_;
+    $body=
+    "*** This is an automatic message generated by the LON-CAPA system.\n".
+    "*** Please do not reply to this address.\n\n".$body;
+    my $msg = new Mail::Send;
+    $msg->to($to);
+    $msg->subject('[LON-CAPA] '.$subject);
+    my $fh = $msg->open('smtp',Server => 'localhost');
+    print $fh $body;
+    $fh->close;
+}
+
+# ==================================================== Send notification emails
+
+sub sendnotification {
+    my ($to,$touname,$toudom,$subj,$crit)=@_;
+    my $sender=$ENV{'environment.firstname'}.' '.$ENV{'environment.lastname'};
+    my $critical=($crit?' critical':'');
+    my $url='http://'.
+      $Apache::lonnet::hostname{&Apache::lonnet::homeserver($touname,$toudom)}.
+      '/adm/login&username='.$touname.'&domain='.$toudom;
+    my $body=(<<ENDMSG);
+You received a$critical message from $sender in LON-CAPA. The subject is
+
+ $subj
+
+Use
+
+ $url
+
+to access this message.
+ENDMSG
+    &sendemail($to,'New'.$critical.' message from '.$sender,$body);
+}
+# ============================================================= Check for email
+
+sub newmail {
+    if ((time-$ENV{'user.mailcheck.time'})>300) {
+        my %what=&Apache::lonnet::get('email_status',['recnewemail']);
+        &Apache::lonnet::appenv('user.mailcheck.time'=>time);
+        if ($what{'recnewemail'}>0) { return 1; }
+    }
+    return 0;
+}
+
 # =============================== Automated message to the author of a resource
 
 sub author_res_msg {
@@ -141,7 +212,7 @@ sub author_res_msg {
 
 # ================================================== Critical message to a user
 
-sub user_crit_msg {
+sub user_crit_msg_raw {
     my ($user,$domain,$subject,$message,$sendback)=@_;
 # Check if allowed missing
     my $status='';
@@ -155,9 +226,23 @@ sub user_crit_msg {
            'put:'.$domain.':'.$user.':critical:'.
            &Apache::lonnet::escape($msgid).'='.
            &Apache::lonnet::escape($message),$homeserver);
+       if ($ENV{'request.course.id'}) {
+          &user_normal_msg_raw(
+            $ENV{'course.'.$ENV{'request.course.id'}.'.num'},
+            $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+            'Critical ['.$user.':'.$domain.']',
+	    $message);
+       }
     } else {
        $status='no_host';
     }
+# Notifications
+    my %userenv = &Apache::lonnet::get('environment',['critnotification'],
+                                       $domain,$user);
+    if ($userenv{'critnotification'}) {
+      &sendnotification($userenv{'critnotification'},$user,$domain,$subject,1);
+    }
+# Log this
     &Apache::lonnet::logthis(
       'Sending critical email '.$msgid.
       ', log status: '.
@@ -168,19 +253,41 @@ sub user_crit_msg {
     return $status;
 }
 
+# New routine that respects "forward" and calls old routine
+
+sub user_crit_msg {
+    my ($user,$domain,$subject,$message,$sendback)=@_;
+    my $status='';
+    my %userenv = &Apache::lonnet::get('environment',['msgforward'],
+                                       $domain,$user);
+    my $msgforward=$userenv{'msgforward'};
+    if ($msgforward) {
+       foreach (split(/\,/,$msgforward)) {
+	 my ($forwuser,$forwdomain)=split(/\:/,$_);
+         $status.=
+	   &user_crit_msg_raw($forwuser,$forwdomain,$subject,$message,
+                $sendback).' ';
+       }
+    } else { 
+	$status=&user_crit_msg_raw($user,$domain,$subject,$message,$sendback);
+    }
+    return $status;
+}
+
 # =================================================== Critical message received
 
 sub user_crit_received {
     my $msgid=shift;
     my %message=&Apache::lonnet::get('critical',[$msgid]);
-    my %contents=&unpackagemsg($message{$msgid});
+    my %contents=&unpackagemsg($message{$msgid},1);
     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'}):'no msg req');
+                     ' acknowledged receipt of message'."\n".'   "'.
+                     $contents{'subject'}.'"'."\n".'dated '.
+                     $contents{'time'}.".\n"
+                     ):'no msg req');
     $status.=' trans: '.
      &Apache::lonnet::put(
      'nohist_email',{$contents{'msgid'} => $message{$msgid}});
@@ -195,28 +302,60 @@ sub user_crit_received {
 
 # ======================================================== Normal communication
 
-sub user_normal_msg {
-    my ($user,$domain,$subject,$message,$citation)=@_;
+sub user_normal_msg_raw {
+    my ($user,$domain,$subject,$message,$citation,$baseurl,$attachmenturl)=@_;
 # Check if allowed missing
     my $status='';
     my $msgid='undefined';
     unless (($message)&&($user)&&($domain)) { $status='empty'; };
     my $homeserver=&Apache::lonnet::homeserver($user,$domain);
     if ($homeserver ne 'no_host') {
-       ($msgid,$message)=&packagemsg($subject,$message,$citation);
+       ($msgid,$message)=&packagemsg($subject,$message,$citation,$baseurl,
+                                     $attachmenturl);
        $status=&Apache::lonnet::critical(
            'put:'.$domain.':'.$user.':nohist_email:'.
            &Apache::lonnet::escape($msgid).'='.
            &Apache::lonnet::escape($message),$homeserver);
+       &Apache::lonnet::put
+                         ('email_status',{'recnewemail'=>time},$domain,$user);
     } else {
        $status='no_host';
     }
+# Notifications
+    my %userenv = &Apache::lonnet::get('environment',['notification'],
+                                       $domain,$user);
+    if ($userenv{'notification'}) {
+	&sendnotification($userenv{'notification'},$user,$domain,$subject,0);
+    }
     &Apache::lonnet::log($ENV{'user.domain'},$ENV{'user.name'},
                          $ENV{'user.home'},
       'Sending '.$msgid.' to '.$user.' at '.$domain.' with status: '.$status);
     return $status;
 }
 
+# New routine that respects "forward" and calls old routine
+
+sub user_normal_msg {
+    my ($user,$domain,$subject,$message,$citation,$baseurl,$attachmenturl)=@_;
+    my $status='';
+    my %userenv = &Apache::lonnet::get('environment',['msgforward'],
+                                       $domain,$user);
+    my $msgforward=$userenv{'msgforward'};
+    if ($msgforward) {
+       foreach (split(/\,/,$msgforward)) {
+	 my ($forwuser,$forwdomain)=split(/\:/,$_);
+         $status.=
+	  &user_normal_msg_raw($forwuser,$forwdomain,$subject,$message,
+			       $citation,$baseurl,$attachmenturl).' ';
+       }
+    } else { 
+	$status=&user_normal_msg_raw($user,$domain,$subject,$message,
+				     $citation,$baseurl,$attachmenturl);
+    }
+    return $status;
+}
+
+
 # =============================================================== Status Change
 
 sub statuschange {
@@ -342,7 +481,7 @@ $content{'sendername'}.'@'.
 sub comprep {
     my ($r,$msgid)=@_;
       my %message=&Apache::lonnet::get('nohist_email',[$msgid]);
-      my %content=&unpackagemsg($message{$msgid});
+      my %content=&unpackagemsg($message{$msgid},1);
       my $quotemsg='> '.$content{'message'};
       $quotemsg=~s/\r/\n/g;
       $quotemsg=~s/\f/\n/g;
@@ -406,24 +545,24 @@ ENDDISHEADER
                                         $ENV{'user.home'}))) {
         my ($sendtime,$shortsubj,$fromname,$fromdomain,$status)=
 	    &Apache::lonmsg::unpackmsgid($_);
-       unless (($status eq 'deleted') || ($sendtime=~/error/)) {
-        if ($status eq 'new') {
-	    $r->print('<tr bgcolor="#FFBB77">');
-        } elsif ($status eq 'read') {
-	    $r->print('<tr bgcolor="#BBBB77">');
-        } elsif ($status eq 'replied') {
-	    $r->print('<tr bgcolor="#AAAA88">');
-	} else {
-	    $r->print('<tr bgcolor="#99BBBB">');
-        }
-        $r->print('<td><a href="/adm/email?display='.$_.
-                  '">Open</a></td><td><a href="/adm/email?markdel='.$_.
-                '">Delete</a><input type=checkbox name="delmark_'.$_.'"></td>'.
-                  '<td>'.localtime($sendtime).'</td><td>'.
-                  $fromname.'</td><td>'.$fromdomain.'</td><td>'.
+	if (($status ne 'deleted') && defined($sendtime) && $sendtime!~/error/) {
+	    if ($status eq 'new') {
+		$r->print('<tr bgcolor="#FFBB77">');
+	    } elsif ($status eq 'read') {
+		$r->print('<tr bgcolor="#BBBB77">');
+	    } elsif ($status eq 'replied') {
+		$r->print('<tr bgcolor="#AAAA88">');
+	    } else {
+		$r->print('<tr bgcolor="#99BBBB">');
+	    }
+	    $r->print('<td><a href="/adm/email?display='.$_.
+		      '">Open</a></td><td><a href="/adm/email?markdel='.$_.
+		      '">Delete</a><input type=checkbox name="delmark_'.$_.'"></td>'.
+		      '<td>'.localtime($sendtime).'</td><td>'.
+		      $fromname.'</td><td>'.$fromdomain.'</td><td>'.
 		      &Apache::lonnet::unescape($shortsubj).'</td><td>'.
                       $status.'</td></tr>');
-       }
+	}
     }
     $r->print('</table><p>'.
               '<a href="javascript:checkall()">Check All</a>&nbsp;'.
@@ -468,10 +607,11 @@ sub compout {
                 '<table>');
     unless (($broadcast eq 'group') || ($broadcast eq 'upload')) {
         my $domform = &Apache::loncommon::select_dom_form($defdom,'recdomain');
-
+        my $selectlink=&Apache::loncommon::selectstudent_link
+	    ('compemail','recuname','recdomain');
        $r->print(<<"ENDREC");
 <table>
-<tr><td>Username:</td><td><input type=text size=12 name=recuname value="$ENV{'form.recname'}"></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>Domain:</td>
 <td>$domform</td></tr>
 ENDREC
@@ -521,6 +661,111 @@ ENDUPLOAD
     $r->print('</form>');
 }
 
+# ---------------------------------------------------- Display all face to face
+
+sub disfacetoface {
+    my ($r,$user,$domain)=@_;
+    unless ($ENV{'request.course.id'}) { return; }
+    unless (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) {
+	return;
+    }
+    my %records=&Apache::lonnet::dump('nohist_email',
+			 $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+			 $ENV{'course.'.$ENV{'request.course.id'}.'.num'},
+                         '%255b'.$user.'%253a'.$domain.'%255d');
+    my $result='';
+    foreach (sort keys %records) {
+        my %content=&unpackagemsg($records{$_});
+        next if ($content{'senderdomain'} eq '');
+        $content{'message'}=~s/\n/\<br\>/g;
+        if ($content{'subject'}=~/^Record/) {
+	    $result.='<h3>Record</h3>';
+        } else {
+            $result.='<h3>Sent Message</h3>';
+            %content=&unpackagemsg($content{'message'});
+            $content{'message'}=
+                '<b>Subject: '.$content{'subject'}.'</b><br />'.
+		$content{'message'};
+        }
+        $result.='By: <b>'.
+&Apache::loncommon::aboutmewrapper(
+ &Apache::loncommon::plainname($content{'sendername'},$content{'senderdomain'}),$content{'sendername'},$content{'senderdomain'}).'</b> ('.
+$content{'sendername'}.'@'.
+            $content{'senderdomain'}.') '.$content{'time'}.
+            '<br><blockquote>'.
+              &Apache::lontexconvert::msgtexconverted($content{'message'}).
+	      '</blockquote>';
+     }
+    # Check to see if there were any messages.
+    if ($result eq '') {
+        $r->print("<p><b>No notes, face-to-face discussion records, or critical messages in this course.</b></p>");
+    } else {
+       $r->print($result);
+    }
+}
+
+# ---------------------------------------------------------------- Face to face
+
+sub facetoface {
+    my ($r,$stage)=@_;
+    unless (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) {
+	return;
+    }
+# from query string
+    if ($ENV{'form.recname'}) { $ENV{'form.recuname'}=$ENV{'form.recname'}; }
+    if ($ENV{'form.recdom'}) { $ENV{'form.recdomain'}=$ENV{'form.recdom'}; }
+
+    my $defdom=$ENV{'user.domain'};
+# already filled in
+    if ($ENV{'form.recdomain'}) { $defdom=$ENV{'form.recdomain'}; }
+# generate output
+    my $domform = &Apache::loncommon::select_dom_form($defdom,'recdomain');
+    my $stdbrws = &Apache::loncommon::selectstudent_link
+	('stdselect','recuname','recdomain');
+    $r->print(<<"ENDTREC");
+<h3>User Notes, Records of Face-To-Face Discussions, and Critical Messages in Course</h3>
+<form method="post" action="/adm/email" name="stdselect">
+<input type="hidden" name="recordftf" value="retrieve" />
+<table>
+<tr><td>Username:</td><td><input type=text size=12 name=recuname value="$ENV{'form.recuname'}"></td>
+<td rowspan="2">
+$stdbrws
+<input type="submit" value="Retrieve discussion and message records"></td>
+</tr>
+<tr><td>Domain:</td>
+<td>$domform</td></tr>
+</table>
+</form>
+ENDTREC
+    if (($stage ne 'query') &&
+        ($ENV{'form.recdomain'}) && ($ENV{'form.recuname'})) {
+        chomp($ENV{'form.newrecord'});
+        if ($ENV{'form.newrecord'}) {
+           &user_normal_msg_raw(
+            $ENV{'course.'.$ENV{'request.course.id'}.'.num'},
+            $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+            'Record ['.$ENV{'form.recuname'}.':'.$ENV{'form.recdomain'}.']',
+	    $ENV{'form.newrecord'});
+        }
+        $r->print('<h3>'.&Apache::loncommon::plainname($ENV{'form.recuname'},
+				     $ENV{'form.recdomain'}).'</h3>');
+        &disfacetoface($r,$ENV{'form.recuname'},$ENV{'form.recdomain'});
+	$r->print(<<ENDRHEAD);
+<form method="post" action="/adm/email">
+<input name="recdomain" value="$ENV{'form.recdomain'}" type="hidden" />
+<input name="recuname" value="$ENV{'form.recuname'}" type="hidden" />
+ENDRHEAD
+        $r->print(<<ENDBFORM);
+<hr />New Record (record is visible to course faculty and staff)<br />
+<textarea name="newrecord" cols="80" rows="10" wrap="hard"></textarea>
+<br />
+<input type="hidden" name="recordftf" value="post" />
+<input type="submit" value="Post this record" />
+</form>
+ENDBFORM
+    }
+}
+
 # ===================================================================== Handler
 
 sub handler {
@@ -536,17 +781,29 @@ sub handler {
 # --------------------------- Get query string for limited number of parameters
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
         ['display','replyto','forward','markread','markdel','markunread',
-         'sendreply','compose','sendmail','critical','recname','recdom']);
+         'sendreply','compose','sendmail','critical','recname','recdom',
+         'recordftf']);
 
+# ------------------------------------------------------ They checked for email
+  &Apache::lonnet::put('email_status',{'recnewemail'=>0});
 # --------------------------------------------------------------- Render Output
-  
-  $r->print('<html><head><title>EMail and Messaging</title></head>'.
-            &Apache::loncommon::bodytag('EMail and Messages'));
+  if (!$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});
+      $r->print('<html><head><title>EMail and Messaging</title>');
+      if (defined($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'));
       $r->print('<b>Subject:</b> '.$content{'subject'}.
              '<br><b>From:</b> '.
 &Apache::loncommon::aboutmewrapper(
@@ -562,6 +819,8 @@ $content{'sendername'},$content{'senderd
              '"><b>Forward</b></a></td>'.
         '<td><a href="/adm/email?markunread='.&Apache::lonnet::escape($msgid).
              '"><b>Mark Unread</b></a></td>'.
+        '<td><a href="/adm/email?markdel='.&Apache::lonnet::escape($msgid).
+             '"><b>Delete</b></a></td>'.
         '<td><a href="/adm/email"><b>Display all Messages</b></a></td>'.
              '</tr></table><p><pre>'.
              &Apache::lontexconvert::msgtexconverted($content{'message'}).
@@ -571,7 +830,7 @@ $content{'sendername'},$content{'senderd
   } elsif ($ENV{'form.sendreply'}) {
       my $msgid=$ENV{'form.sendreply'};
       my %message=&Apache::lonnet::get('nohist_email',[$msgid]);
-      my %content=&unpackagemsg($message{$msgid});
+      my %content=&unpackagemsg($message{$msgid},1);
       &statuschange($msgid,'replied');
       if ((($ENV{'form.critmsg'}) || ($ENV{'form.sendbck'})) && 
           (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}))) {
@@ -629,13 +888,15 @@ $content{'sendername'},$content{'senderd
       &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{$msgid});
+        %content=&unpackagemsg($message{$msgid},1);
         &statuschange($msgid,'forwarded');
         $ENV{'form.message'}.="\n\n-- Forwarded message --\n\n".
 	                       $content{'message'};