Annotation of loncom/interface/lonmsgdisplay.pm, revision 1.71

1.1       albertel    1: # The LearningOnline Network with CAPA
                      2: # Routines for messaging display
                      3: #
1.71    ! raeburn     4: # $Id: lonmsgdisplay.pm,v 1.70 2007/04/22 13:41:22 raeburn Exp $
1.1       albertel    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
                     28: 
                     29: 
                     30: package Apache::lonmsgdisplay;
                     31: 
                     32: =pod
                     33: 
                     34: =head1 NAME
                     35: 
1.69      raeburn    36: Apache::lonmsgdisplay: supports internal messaging
1.1       albertel   37: 
                     38: =head1 SYNOPSIS
                     39: 
1.69      raeburn    40: lonmsgdisplay provides a handler to allow users to read, send, 
                     41: and delete messages, and to create and delete message folders,
                     42: and to move messages between folders.
1.1       albertel   43: 
                     44: =head1 OVERVIEW
                     45: 
                     46: =head2 Messaging Overview
                     47: 
                     48: X<messages>LON-CAPA provides an internal messaging system similar to
                     49: email, but customized for LON-CAPA's usage. LON-CAPA implements its
                     50: own messaging system, rather then building on top of email, because of
                     51: the features LON-CAPA messages can offer that conventional e-mail can
                     52: not:
                     53: 
                     54: =over 4
                     55: 
                     56: =item * B<Critical messages>: A message the recipient B<must>
                     57: acknowlegde receipt of before they are allowed to continue using the
                     58: system, preventing a user from claiming they never got a message
                     59: 
                     60: =item * B<Receipts>: LON-CAPA can reliably send reciepts informing the
                     61: sender that it has been read; again, useful for preventing students
                     62: from claiming they did not see a message. (While conventional e-mail
                     63: has some reciept support, it's sporadic, e-mail client-specific, and
                     64: generally the receiver can opt to not send one, making it useless in
                     65: this case.)
                     66: 
                     67: =item * B<Context>: LON-CAPA knows about the sender, such as where
                     68: they are in a course. When a student mails an instructor asking for
                     69: help on the problem, the instructor receives not just the student's
                     70: question, but all submissions the student has made up to that point,
                     71: the user's rendering of the problem, and the complete view the student
                     72: saw of the resource, including discussion up to that point. Finally,
                     73: the instructor is reading all of this inside of LON-CAPA, not their
                     74: email program, so they have full access to LON-CAPA's grading
                     75: interface, or other features they may wish to use in response to the
                     76: student's query.
                     77: 
1.50      raeburn    78: =item * B<Blocking>: LON-CAPA can block selected communication 
                     79: features for students during an online exam. A course coordinator or
1.1       albertel   80: instructor can set an open and close date/time for scheduled online
                     81: exams in a course. If a user uses the LON-CAPA internal messaging 
                     82: system to display e-mails during the scheduled blocking event,  
                     83: display of all e-mail sent during the blocking period will be 
                     84: suppressed, and a message of explanation, including details of the 
                     85: currently active blocking periods will be displayed instead. A user 
                     86: who has a course coordinator or instructor role in a course will be
                     87: unaffected by any blocking periods for the course, unless the user
                     88: also has a student role in the course, AND has selected the student role.
                     89: 
                     90: =back
                     91: 
                     92: Users can ask LON-CAPA to forward messages to conventional e-mail
                     93: addresses on their B<PREF> screen, but generally, LON-CAPA messages
                     94: are much more useful than traditional email can be made to be, even
                     95: with HTML support.
                     96: 
                     97: =cut
                     98: 
                     99: use strict;
                    100: use Apache::lonnet;
                    101: use HTML::TokeParser();
                    102: use Apache::Constants qw(:common);
                    103: use Apache::loncommon();
1.67      www       104: use Apache::lonhtmlcommon();
1.1       albertel  105: use Apache::lontexconvert();
                    106: use HTML::Entities();
                    107: use Apache::lonlocal;
                    108: use Apache::loncommunicate;
                    109: use Apache::lonfeedback;
                    110: use Apache::lonrss();
1.27      albertel  111: use Apache::lonselstudent();
1.29      www       112: use lib '/home/httpd/lib/perl/';
                    113: use LONCAPA;
1.1       albertel  114: 
                    115: # Querystring component with sorting type
                    116: my $sqs;
                    117: my $startdis;
                    118: 
                    119: # ============================================================ List all folders
                    120: 
                    121: sub folderlist {
1.53      raeburn   122:     my ($folder,$msgstatus) = @_;
1.46      raeburn   123:     my %lt = &Apache::lonlocal::texthash(
                    124:                 actn => 'Action',
                    125:                 fold => 'Folder',
                    126:                 show => 'Show',
1.53      raeburn   127:                 status => 'Message Status',
1.46      raeburn   128:                 go   => 'Go',
1.50      raeburn   129:                 nnff => 'New Name for Folder',
                    130:                 newn => 'New Name',
                    131:                 thfm => 'The folder may not be renamed',
                    132:                 fmnb => 'folder may not be renamed as it is a folder provided by the system.',
                    133:                 asth => 'as this name is already in use for a system-provided or user-defined folder.',
                    134:                 the => 'The',
                    135:                 tnfm => 'The new folder may not be named',
                    136: 
1.46      raeburn   137:     );
                    138: 
                    139:     my %actions = &Apache::lonlocal::texthash(
                    140:                                 view => 'View Folder',
                    141:                                 rename => 'Rename Folder',
                    142:                                 delete => 'Delete Folder',
                    143:     );
                    144:     $actions{'select_form_order'} = ['view','rename','delete'];
                    145: 
1.53      raeburn   146:     my %statushash = &get_msgstatus_types();
                    147: 
                    148:     $statushash{'select_form_order'} = ['','new','read','replied','forwarded'];
                    149: 
1.46      raeburn   150:     my %permfolders = &get_permanent_folders();
                    151:     my $permlist = join("','",sort(keys(%permfolders)));
                    152:     my ($permlistkeys,$permlistvals);
                    153:     foreach my $key (sort(keys(%permfolders))) {
                    154:         $permlistvals .= $permfolders{$key}."','";
                    155:         $permlistkeys .= $key."','";
                    156:     }
                    157:     $permlistvals =~ s/','$//;
                    158:     $permlistkeys =~ s/','$//;
                    159:     my %gotfolders = &Apache::lonmsg::get_user_folders();
                    160:     my %userfolders;
                    161: 
                    162:     foreach my $key (keys(%gotfolders)) {
1.54      albertel  163:         $key =~ s/(['"])/\$1/g; #' stupid emacs
1.46      raeburn   164:         $userfolders{$key} = $key;
                    165:     }
                    166:     my @userorder = sort(keys(%userfolders));
                    167:     my %formhash = (%permfolders,%userfolders);
                    168:     my $folderlist = join("','",@userorder);
                    169:     $folderlist .= "','".$permlistvals;
                    170: 
1.53      raeburn   171:     $formhash{'select_form_order'} = ['','critical',@userorder,'sent','trash'];
1.46      raeburn   172:     my $output = qq|<script type="text/javascript">
                    173: function folder_choice(targetform,caller) {
                    174:     var permfolders_keys = new Array('$permlistkeys');
                    175:     var permfolders_vals = new Array('$permlistvals');
                    176:     var allfolders = new Array('$folderlist');
                    177:     if (caller == 'change') {
                    178:         if (targetform.folderaction.options[targetform.folderaction.selectedIndex].value == 'rename') {
                    179:             for (var i=0; i<permfolders_keys.length; i++) {
                    180:                 if (permfolders_keys[i] == targetform.folder.value) {
1.50      raeburn   181:                     alert("$lt{'the'} '"+permfolders_vals[i]+"' $lt{'fmnb'}");
1.46      raeburn   182:                     return;
                    183:                 }
                    184:             }
1.50      raeburn   185:             var foldername=prompt('$lt{'nnff'}','$lt{'newn'}');
1.46      raeburn   186:             if (foldername) {
                    187:                 targetform.renamed.value=foldername;
                    188:                 for (var i=0; i<allfolders.length; i++) {
                    189:                     if (allfolders[i] == foldername) {
1.50      raeburn   190:                         alert("$lt{'thfm'} '"+foldername+"' $lt{'asth'}");
1.46      raeburn   191:                         return;
                    192:                     }
                    193:                 }
                    194:                 targetform.submit();
                    195:             }
                    196:         }
                    197:         else {
                    198:             targetform.submit();
                    199:         }
                    200:     }
                    201:     if (caller == 'new') {
                    202:         var newname=targetform.newfolder.value;
                    203:         if (newname) {
                    204:             for (var i=0; i<allfolders.length; i++) {
                    205:                 if (allfolders[i] == newname) {
1.50      raeburn   206:                     alert("$lt{'tnfm'} '"+newname+"' $lt{'asth'}");
1.46      raeburn   207:                     return;
                    208:                 }
                    209:             }
                    210:             targetform.submit();
                    211:         }
                    212:     }
                    213: }
                    214: </script>|;
1.57      albertel  215:     my %show = ('select_form_order' => [10,20,50,100,200],
                    216: 		map {$_=>$_} (10,20,50,100,200));
                    217: 		
                    218: 		   
1.46      raeburn   219:     $output .= '
                    220: <form method="post" action="/adm/email" name="folderlist">
                    221: <table border="0" cellspacing="2" cellpadding="2">
                    222:  <tr>
                    223:   <td align="left">
                    224:    <table border="0" cellspacing="2" cellpadding="2">
                    225:     <tr>
                    226:      <td align="center"><b>'.$lt{'fold'}.'</b><br />'."\n".
1.47      albertel  227:          &Apache::loncommon::select_form($folder,'folder',%formhash).'
1.46      raeburn   228:      </td>
1.57      albertel  229:      <td align="center"><b>'.$lt{'show'}.'</b><br />'."\n".
                    230:          &Apache::loncommon::select_form($env{'form.interdis'},'interdis',
                    231: 					 %show).'
1.46      raeburn   232:      </td>
1.53      raeburn   233:      <td align="center"><b>'.$lt{'status'}.'</b><br />'."\n".
                    234:        &Apache::loncommon::select_form($msgstatus,'msgstatus',%statushash).'
                    235:      </td>
1.46      raeburn   236:      <td align="center"><b>'.$lt{'actn'}.'</b><br />'.
1.47      albertel  237:          &Apache::loncommon::select_form('view','folderaction',%actions).'
1.46      raeburn   238:      </td><td><br />'.
                    239:     '<input type="button" value="'.$lt{'go'}.'" onClick="javascript:folder_choice(this.form,'."'change'".');" />
                    240:      </td>
                    241:     </tr>
                    242:    </table>
                    243:   </td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td>
                    244:   <td align="right">
                    245:    <table><tr><td><br />
                    246:     <input type="button" value="'.&mt('Make New Folder').
                    247:     '" onClick="javascript:folder_choice(this.form,'."'new'".');" /></td>'.
1.48      albertel  248:     '<td align="center"><b>'.&mt('New Folder').'</b><br />'.
1.46      raeburn   249:     '<input type="text" size="15" name="newfolder" value="" />
                    250:     </td></tr></table>
                    251:   </td>
                    252:  </tr>
                    253: </table>'."\n".
1.1       albertel  254:     '<input type="hidden" name="sortedby" value="'.$env{'form.sortedby'}.'" />'.
1.46      raeburn   255:     '<input type="hidden" name="renamed" value="" />'.
1.53      raeburn   256:         ($folder=~/^critical/?'</form>':'');
1.46      raeburn   257:     return $output;
                    258: }
                    259: 
                    260: sub get_permanent_folders {
1.47      albertel  261:     my %permfolders = 
                    262: 	&Apache::lonlocal::texthash(''         => 'INBOX',
                    263: 				    'trash'    => 'TRASH',
                    264: 				    'critical' => 'Critical',
                    265: 				    'sent'     => 'Sent Messages',
                    266: 				    );
1.46      raeburn   267:     return %permfolders;
1.1       albertel  268: }
                    269: 
1.53      raeburn   270: sub get_msgstatus_types {
                    271:     my %statushash = &Apache::lonlocal::texthash(
                    272:                                 '' => 'Any',
                    273:                                 new => 'Unread',
                    274:                                 read => 'Read',
                    275:                                 replied => 'Replied to',
                    276:                                 forwarded => 'Forwarded',
                    277:     );
                    278:     return %statushash;
                    279: }
                    280: 
1.1       albertel  281: sub scrollbuttons {
1.53      raeburn   282:     my ($start,$maxdis,$first,$finish,$total,$msgstatus)=@_;
1.1       albertel  283:     unless ($total>0) { return ''; }
                    284:     $start++; $maxdis++;$first++;$finish++;
1.53      raeburn   285: 
                    286:     my %statushash = &get_msgstatus_types();
                    287:     my $status;
                    288:     if ($msgstatus eq '') {
                    289:         $status = &mt('All');
                    290:     } else {
                    291:         $status = $statushash{$msgstatus};
                    292:     }
1.1       albertel  293:     return
1.53      raeburn   294:    '<b>'.&mt('Page').'</b>: '. 
1.1       albertel  295:    '<input type="submit" name="firstview" value="'.&mt('First').'" />'.
                    296:    '<input type="submit" name="prevview" value="'.&mt('Previous').'" />'.
                    297:    '<input type="text" size="5" name="startdis" value="'.$start.'" onChange="this.form.submit()" /> of '.$maxdis.
                    298:    '<input type="submit" name="nextview" value="'.&mt('Next').'" />'.
                    299:    '<input type="submit" name="lastview" value="'.&mt('Last').'" /><br />'.
1.53      raeburn   300:    &mt('<b>[_1] messages</b>: showing messages [_2] through [_3] of [_4].',$status,$first,$finish,$total).'</form>';
1.1       albertel  301: }
                    302: # =============================================================== Status Change
                    303: 
                    304: sub statuschange {
                    305:     my ($msgid,$newstatus,$folder)=@_;
1.3       albertel  306:     my $suffix=&Apache::lonmsg::foldersuffix($folder);
1.1       albertel  307:     my %status=&Apache::lonnet::get('email_status'.$suffix,[$msgid]);
                    308:     if ($status{$msgid}=~/^error\:/) { $status{$msgid}=''; }
                    309:     unless ($status{$msgid}) { $status{$msgid}='new'; }
                    310:     unless (($status{$msgid} eq 'replied') || 
                    311:             ($status{$msgid} eq 'forwarded')) {
                    312: 	&Apache::lonnet::put('email_status'.$suffix,{$msgid => $newstatus});
                    313:     }
                    314:     if (($newstatus eq 'deleted') || ($newstatus eq 'new')) {
                    315: 	&Apache::lonnet::put('email_status'.$suffix,{$msgid => $newstatus});
                    316:     }
                    317:     if ($newstatus eq 'deleted') {
1.9       albertel  318: 	return &movemsg($msgid,$folder,'trash');
                    319:     }
                    320:     return ;
1.1       albertel  321: }
                    322: 
                    323: # ============================================================= Make new folder
                    324: 
                    325: sub makefolder {
1.46      raeburn   326:     my ($newfolder) = @_;
                    327:     my %permfolders = &get_permanent_folders();
                    328:     my %userfolders = &Apache::lonmsg::get_user_folders();
                    329:     my ($outcome,$warning);
                    330:     if (defined($userfolders{$newfolder})) {
                    331:         return &mt('The folder name: "[_1]" is already in use for an existing folder.',$newfolder);
                    332:     }
                    333:     foreach my $perm (keys(%permfolders)) {
                    334:         if ($permfolders{$perm} eq $newfolder) {
                    335:             return &mt('The folder name: "[_1]" is already used for one of the folders automatically generated by the system.',$newfolder);
                    336:         }
                    337:     } 
                    338:     if (&get_msgfolder_lock() eq 'ok') {
                    339:         my %counter_hash = &Apache::lonnet::get('email_folders',["\0".'idcount']);
                    340:         my $lastcount = $counter_hash{"\0".'idcount'};
                    341:         my $folder_id = $lastcount + 1;
                    342:         while (defined($userfolders{$folder_id})) {
                    343:             $folder_id ++;
                    344:         }
1.47      albertel  345:         my %folderinfo = ( id      => $folder_id,
                    346:                            created => time, );
1.46      raeburn   347:         $outcome =  
1.47      albertel  348: 	    &Apache::lonnet::put('email_folders',{$newfolder => \%folderinfo,
                    349: 						  "\0".'idcount' => $folder_id});
1.46      raeburn   350:         my $releaseresult = &release_msgfolder_lock();
                    351:         if ($releaseresult ne 'ok') {
                    352:             $warning = $releaseresult;
                    353:         }
                    354:     } else {
1.47      albertel  355:         $outcome = 
                    356: 	    &mt('Error - could not obtain lock on email folders record.');
1.46      raeburn   357:     }
                    358:     return ($outcome,$warning);
1.1       albertel  359: }
                    360: 
1.46      raeburn   361: # ============================================================= Delete folder
                    362: 
                    363: sub deletefolder {
                    364:     my ($folder)=@_;
                    365:     my %permfolders = &get_permanent_folders();
                    366:     if (defined($permfolders{$folder})) {
1.56      albertel  367:         return &mt('The folder "[_1]" may not be deleted',$folder); 
1.46      raeburn   368:     }
                    369:     my %userfolders = &Apache::lonmsg::get_user_folders();
                    370:     if (!defined($userfolders{$folder})) {
1.56      albertel  371:         return &mt('The folder "[_1]" does not exist so deletion is not required.',
1.46      raeburn   372:                    $folder);
                    373:     }
                    374:     # check folder is empty;
                    375:     my $suffix=&Apache::lonmsg::foldersuffix($folder);
                    376:     my @messages = &Apache::lonnet::getkeys('nohist_email'.$suffix);
                    377:     if (@messages > 0) {
1.56      albertel  378:         return &mt('The folder "[_1]" contains messages so it may not be deleted.',$folder).
1.46      raeburn   379:                '<br />'.
                    380:                &mt('Delete or move the messages to a different folder first.');
                    381:     }
                    382:     my $delresult = &Apache::lonnet::del('email_folders',[$folder]);
                    383:     return $delresult;
                    384: }
                    385: 
                    386: sub renamefolder {
                    387:     my ($folder) = @_;
                    388:     my $newname = $env{'form.renamed'};
                    389:     my %permfolders = &get_permanent_folders();
                    390:     if ($env{'form.renamed'} eq '') {
                    391:         return &mt('The folder "[_1]" may not be renamed to "[_2]" as the new name you requested is an invalid name.',$folder,$newname);
                    392:     }
                    393:     if (defined($permfolders{$newname})) {
                    394:         return &mt('The folder "[_1]" may not be renamed to "[_2]" as the new name you requested is reserved for folders provided automatically by the system.',$folder,$newname);
                    395:     }
                    396:     my %userfolders = &Apache::lonmsg::get_user_folders();
                    397:     if (defined($userfolders{$newname})) {
                    398:         return &mt('The folder "[_1]" may not be renamed to "[_2]" because the new name you requested is already being used for an existing folder.',$folder,$newname);
                    399:     }
                    400:     if (!defined($userfolders{$folder})) {
                    401:         return &mt('The folder "[_1]" could not be renamed to "[_2]" because the folder does not exist.',$folder,$newname);
                    402:     }
                    403:     my %folderinfo;
                    404:     if (ref($userfolders{$folder}) eq 'HASH') {
                    405:         %folderinfo = %{$userfolders{$folder}};
                    406:     } else {
1.47      albertel  407:         %folderinfo = ( id      => $folder,
                    408:                         created => $userfolders{$folder},);
1.46      raeburn   409:     }
                    410:     my $outcome =
                    411:      &Apache::lonnet::put('email_folders',{$newname => \%folderinfo});
                    412:     if ($outcome eq 'ok') {
                    413:         $outcome = &Apache::lonnet::del('email_folders',[$folder]);
                    414:     }
                    415:     return $outcome;
                    416: }
                    417: 
                    418: sub get_msgfolder_lock {
                    419:     # get lock for mail folder counter.
1.47      albertel  420:     my $lockhash = { "\0".'lock_counter' => time, };
1.46      raeburn   421:     my $tries = 0;
                    422:     my $gotlock = &Apache::lonnet::newput('email_folders',$lockhash);
                    423:     while (($gotlock ne 'ok') && $tries <3) {
                    424:         $tries ++;
1.47      albertel  425:         sleep(1);
1.46      raeburn   426:         $gotlock = &Apache::lonnet::newput('email_folders',$lockhash);
                    427:     }
                    428:     return $gotlock;
                    429: }
                    430: 
                    431: sub release_msgfolder_lock {
                    432:     #  remove lock
                    433:     my @del_lock = ("\0".'lock_counter');
                    434:     my $dellockoutcome=&Apache::lonnet::del('email_folders',\@del_lock);
                    435:     if ($dellockoutcome ne 'ok') {
                    436:         return ('<br />'.&mt('Warning: failed to release lock for counter').'<br />');
                    437:     } else {
                    438:         return 'ok';
                    439:     }
                    440: }
                    441: 
                    442: 
1.1       albertel  443: # ======================================================== Move between folders
                    444: 
                    445: sub movemsg {
                    446:     my ($msgid,$srcfolder,$trgfolder)=@_;
                    447:     if ($srcfolder eq 'new') { $srcfolder=''; }
1.3       albertel  448:     my $srcsuffix=&Apache::lonmsg::foldersuffix($srcfolder);
                    449:     my $trgsuffix=&Apache::lonmsg::foldersuffix($trgfolder);
1.9       albertel  450:     if ($srcsuffix eq $trgsuffix) {
                    451: 	return (0,&mt('Message not moved, Attempted to move message to the same folder as it already is in.'));
                    452:     }
1.1       albertel  453: 
                    454: # Copy message
                    455:     my %message=&Apache::lonnet::get('nohist_email'.$srcsuffix,[$msgid]);
1.9       albertel  456:     if (!exists($message{$msgid}) || $message{$msgid} eq '') {
1.32      albertel  457: 	if (&Apache::lonnet::error(%message)) {
1.9       albertel  458: 	    return (0,&mt('Message not moved, A network error occurred.'));
                    459: 	} else {
                    460: 	    return (0,&mt('Message not moved as the message is no longer in the source folder.'));
                    461: 	}
                    462:     }
                    463: 
                    464:     my $result =&Apache::lonnet::put('nohist_email'.$trgsuffix,
                    465: 				     {$msgid => $message{$msgid}});
1.32      albertel  466:     if (&Apache::lonnet::error($result)) {
1.9       albertel  467: 	return (0,&mt('Message not moved, A network error occurred.'));
                    468:     }
1.1       albertel  469: 
                    470: # Copy status
                    471:     unless ($trgfolder eq 'trash') {
1.9       albertel  472:        	my %status=&Apache::lonnet::get('email_status'.$srcsuffix,[$msgid]);
                    473: 	# a non-existant status is the mark of an unread msg
1.32      albertel  474: 	if (&Apache::lonnet::error(%status)) {
1.9       albertel  475: 	    return (0,&mt('Message copied to new folder but status was not, A network error occurred.'));
                    476: 	}
                    477: 	my $result=&Apache::lonnet::put('email_status'.$trgsuffix,
                    478: 					{$msgid => $status{$msgid}});
1.32      albertel  479: 	if (&Apache::lonnet::error($result)) {
1.9       albertel  480: 	    return (0,&mt('Message copied to new folder but status was not, A network error occurred.'));
                    481: 	}
1.1       albertel  482:     }
1.9       albertel  483: 
1.1       albertel  484: # Delete orginals
1.9       albertel  485:     my $result_del_msg = 
                    486: 	&Apache::lonnet::del('nohist_email'.$srcsuffix,[$msgid]);
                    487:     my $result_del_stat =
                    488: 	&Apache::lonnet::del('email_status'.$srcsuffix,[$msgid]);
1.32      albertel  489:     if (&Apache::lonnet::error($result_del_msg)) {
1.9       albertel  490: 	return (0,&mt('Message copied, but unable to delete the original from the source folder.'));
                    491:     }
1.32      albertel  492:     if (&Apache::lonnet::error($result_del_stat)) {
1.9       albertel  493: 	return (0,&mt('Message copied, but unable to delete the original status from the source folder.'));
                    494:     }
                    495: 
                    496:     return (1);
1.1       albertel  497: }
                    498: 
                    499: # ======================================================= Display a course list
                    500: 
                    501: sub discourse {
1.25      foxr      502:     my $result;
                    503:     my ($course_personnel,
                    504: 	$current_members,
                    505: 	$expired_members,
1.28      foxr      506: 	$future_members) = 
                    507: 	    &Apache::lonselstudent::get_people_in_class($env{'request.course.sec'});
1.25      foxr      508:     unshift @$current_members, (@$course_personnel);
                    509:     my %defaultUsers;
1.40      albertel  510:     
                    511:     $result .= '<input type="hidden" name="sendmode" value="group" />'."\n";
1.25      foxr      512: 
1.40      albertel  513:     $result .= &Apache::lonselstudent::render_student_list($current_members,
                    514: 							   "compemail",
                    515: 							   "current",
                    516: 							   \%defaultUsers,
                    517: 							   1,"selectedusers",1);
1.25      foxr      518: 
1.28      foxr      519:     $result .= &Apache::lonselstudent::render_student_list($expired_members,
                    520: 							   "compemail",
                    521: 							   "expired",
                    522: 							   \%defaultUsers,
                    523: 							   1, "selectedusers",0);
                    524:     $result .= &Apache::lonselstudent::render_student_list($future_members,
                    525: 							   "compemail",
                    526: 							   "future",
                    527: 							   \%defaultUsers,
                    528: 							   1, "selectedusers", 0);
1.25      foxr      529:     return $result;
                    530: }
                    531: 
1.38      raeburn   532: sub disgroup {
                    533:     my ($cdom,$cnum,$group,$viewgrps,$editgrps) = @_;
                    534:     my $result;
                    535:     #  Needs to be in a course
                    536:     if (!($env{'request.course.fn'})) {
                    537:         $result = &mt('Error: you must have a course role selected to be able to send a broadcast message to a group in the course.');
                    538:         return $result;
                    539:     }
                    540:     if ($cdom eq '' || $cnum eq '') {
                    541:         $result = &mt('Error: could not determine domain or number of course');
                    542:         return $result;
                    543:     }
                    544:     my ($memberinfo,$numitems) =
                    545:                  &Apache::longroup::group_memberlist($cdom,$cnum,$group,{},[]);
                    546:     my @statustypes = ('active');
                    547:     if ($viewgrps || $editgrps) {
                    548:         push(@statustypes,('future','previous'));
                    549:     }
                    550:     if (keys(%{$memberinfo}) == 0) {
                    551:         $result = &mt('As this group has no members, there are no '.
                    552:                       'recipients to select.');
                    553:         return $result;
                    554:     } else {
                    555:         $result = &mt('Select message recipients from the group members listed below.<br />');  
                    556:         my %Sortby = (
                    557:                          active   => {},
                    558:                          previous => {},
                    559:                          future   => {},
                    560:                      );
                    561:         my %lt = &Apache::lonlocal::texthash(
                    562:                                      'name'     => 'Name',
                    563:                                      'usnm'     => 'Username',
                    564:                                      'doma'     => 'Domain',
                    565:                                      'active'   => 'Active Members',
                    566:                                      'previous' => 'Former Members',
                    567:                                      'future'   => 'Future Members',
                    568:                                     );
                    569:         foreach my $user (sort(keys(%{$memberinfo}))) {
                    570:             my $status = $$memberinfo{$user}{status};
                    571:             if ($env{'form.'.$status.'.sortby'} eq 'fullname') {
                    572:                 push(@{$Sortby{$status}{$$memberinfo{$user}{fullname}}},$user);
                    573:             } elsif ($env{'form.'.$status.'.sortby'} eq 'username') {
                    574:                 push(@{$Sortby{$status}{$$memberinfo{$user}{uname}}},$user);
                    575:             } elsif ($env{'form.'.$status.'.sortby'} eq 'domain') {
                    576:                 push(@{$Sortby{$status}{$$memberinfo{$user}{udom}}},$user);
                    577:             } else {
                    578:                 push(@{$Sortby{$status}{$$memberinfo{$user}{fullname}}},$user);
                    579:             }
                    580:         }
                    581:         $result .= &group_check_uncheck();
                    582:         $result .= '<table border="0" cellspacing="8" cellpadding="2">'.
                    583:                    '<tr>';
                    584:         foreach my $status (@statustypes)  {
                    585:             if (ref($numitems) eq 'HASH') {
                    586:                 if ((defined($$numitems{$status})) && ($$numitems{$status})) {
1.39      raeburn   587:                     $result.='<td valign="top">'.
1.38      raeburn   588:                              '<fieldset><legend><b>'.$lt{$status}.
                    589:                              '</b></legend><nobr>'.
1.50      raeburn   590:                              '<input type="button" value="'.&mt('Check All').'" '.
1.38      raeburn   591:                              'onclick="javascript:toggleAll('."'".$status."','check'".')" />'.
                    592:                              '&nbsp;&nbsp;'.
1.50      raeburn   593:                              '<input type="button" value="'.&mt('Uncheck All').'" '.
1.38      raeburn   594:                              'onclick="javascript:toggleAll('."'".$status."','uncheck'".')" />'.
                    595:                              '</nobr></fieldset><br />'.
                    596:                              &Apache::loncommon::start_data_table().
                    597:                              &Apache::loncommon::start_data_table_header_row();
1.39      raeburn   598:                     $result .= "<th>$lt{'name'}</a></th>".
                    599:                                "<th>$lt{'usnm'}</a></th>".
                    600:                                "<th>$lt{'doma'}</a></th>".
1.38      raeburn   601:                     &Apache::loncommon::end_data_table_header_row();
                    602:                     foreach my $key (sort(keys(%{$Sortby{$status}}))) {
                    603:                         foreach my $user (@{$Sortby{$status}{$key}}) {
                    604:                             $result .=
                    605:                                 &Apache::loncommon::start_data_table_row().
                    606:                                 '<td><input type="checkbox" '.
                    607:                                 'name="selectedusers_forminput" value="'.
                    608:                                 $user.':'.$status.'" />'.
                    609:                                 $$memberinfo{$user}{'fullname'}.'</td>'.
                    610:                                 '<td>'.$$memberinfo{$user}{'uname'}.'</td>'.
                    611:                                 '<td>'.$$memberinfo{$user}{'udom'}.'</td>'.
                    612:                                 &Apache::loncommon::end_data_table_row();
                    613:                         }
                    614:                     }
                    615:                     $result .= &Apache::loncommon::end_data_table();
                    616:                 }
                    617:             }
                    618:             $result .= '</td><td>&nbsp;&nbsp;</td>';
                    619:         }
                    620:         $result .= '</tr></table>';
                    621:     }
                    622:     return $result;
                    623: }
                    624: 
                    625: sub group_check_uncheck {
                    626:     my $output = qq|
                    627: <script type="text/javascript">
                    628: function toggleAll(caller,action) {
                    629:     var pattern = new RegExp(":"+caller+"\$");
                    630:     if (typeof(document.compemail.selectedusers_forminput.length)=="undefined") {
                    631:         if (document.compemail.selectedusers_forminput.value.match(pattern)) {
                    632:             if (action == 'check') {
                    633:                 document.groupmail.selectedusers_forminput.checked = true;
                    634:             } else {
                    635:                 document.groupmail.selectedusers_forminput.checked = false;
                    636:             }
                    637:         }
                    638:     } else {
                    639:         for (var i=0; i<document.compemail.selectedusers_forminput.length; i++) {
                    640:             if (document.compemail.selectedusers_forminput[i].value.match(pattern)) {
                    641:                 if (action == 'check') {
                    642:                     document.compemail.selectedusers_forminput[i].checked = true;
                    643:                 } else {
                    644:                     document.compemail.selectedusers_forminput[i].checked = false;
                    645:                 }
                    646:             }
                    647:         }
                    648:     }
                    649: }
                    650: </script>
                    651:     |;
                    652: }
                    653: 
                    654: sub groupmail_header {
                    655:     my ($action,$group,$cdom,$cnum) = @_;
                    656:     my ($description,$refarg);
                    657:     if (!$cdom || !$cnum) {
                    658:         $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                    659:         $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                    660:     }
                    661:     if (exists($env{'form.ref'})) {
                    662:         $refarg = 'ref='.$env{'form.ref'};
                    663:     }
                    664:     if (!$group) {
                    665:         $group = $env{'form.group'};
                    666:     }
                    667:     if ($group eq '') {
                    668:         return  '';
                    669:     } else {
                    670:         my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum,$group);
                    671:         if (defined($curr_groups{$group})) {
                    672:             my %groupinfo =
                    673:                     &Apache::longroup::get_group_settings($curr_groups{$group});
                    674:             $description = &unescape($groupinfo{'description'});
                    675:         }
                    676:     }
                    677:     &Apache::lonhtmlcommon::clear_breadcrumbs();
                    678:     if ($refarg) {
                    679:         &Apache::lonhtmlcommon::add_breadcrumb
                    680:             ({href=>"/adm/coursegroups",
                    681:               text=>"Groups",
                    682:               title=>"View course groups"});
                    683:     }
                    684:     &Apache::lonhtmlcommon::add_breadcrumb
                    685:         ({href=>"/adm/$cdom/$cnum/$group/smppg?$refarg",
                    686:           text=>"Group: $description",
                    687:           title=>"Go to group's home page"},
                    688:          {href=>"/adm/email?compose=group&amp;group=".
                    689:                 "$env{'form.group'}&amp;$refarg",
                    690:           text=>"Send a Message in a Group",
                    691:           title=>"Compose Group Email Message"},);
                    692:     if ($action eq 'sending') {
                    693:             &Apache::lonhtmlcommon::add_breadcrumb
                    694:                          ({text=>"Messages being sent.",
                    695:                            title=>"Messages sent"},);
                    696:     }
                    697:     my $groupheader = &Apache::loncommon::start_page('Group Email');
                    698:     $groupheader .= &Apache::lonhtmlcommon::breadcrumbs
                    699:                 ('Group - '.$env{'form.group'}.' Email');
                    700:     return $groupheader;
                    701: }
                    702: 
                    703: sub groupmail_sent {
                    704:     my ($group,$cdom,$cnum) = @_;
                    705:     my $refarg;
                    706:     if (exists($env{'form.ref'})) {
                    707:         $refarg = 'ref='.$env{'form.ref'};
                    708:     }
                    709:     my $output .= '<br /><br /><a href="/adm/email?compose=group&amp;group='.
                    710:                   $group.'&amp;'.$refarg.'">'.
                    711:                   &mt('Send another group email').'</a>'.'&nbsp;&nbsp;&nbsp;'.
                    712:                   '<a href="/adm/'.$cdom.'/'.$cnum.'/'.$group.'/smppg?'.
                    713:                   $refarg.'">'. &mt('Return to group page').'</a>';
                    714:     return $output;
                    715: }
                    716: 
1.1       albertel  717: # ==================================================== Display Critical Message
                    718: 
                    719: sub discrit {
                    720:     my $r=shift;
1.5       albertel  721:     my $header = '<h1><font color="red">'.&mt('Critical Messages').'</font></h1>'.
1.1       albertel  722:         '<form action="/adm/email" method="POST">'.
                    723:         '<input type="hidden" name="confirm" value="true" />';
                    724:     my %what=&Apache::lonnet::dump('critical');
                    725:     my $result = '';
1.42      raeburn   726:     foreach my $key (sort(keys(%what))) {
                    727:         my %content=&Apache::lonmsg::unpackagemsg($what{$key});
1.1       albertel  728:         next if ($content{'senderdomain'} eq '');
                    729:         $result.='<hr />'.&mt('From').': <b>'.
                    730: &Apache::loncommon::aboutmewrapper(
                    731:  &Apache::loncommon::plainname($content{'sendername'},$content{'senderdomain'}),$content{'sendername'},$content{'senderdomain'}).'</b> ('.
1.14      albertel  732: $content{'sendername'}.':'.
1.1       albertel  733:             $content{'senderdomain'}.') '.$content{'time'}.
                    734:             '<br />'.&mt('Subject').': '.$content{'subject'}.
                    735:             '<br /><pre>'.
                    736:               &Apache::lontexconvert::msgtexconverted($content{'message'}).
                    737:             '</pre><small>'.
                    738: &mt('You have to confirm that you received this message. After confirmation, this message will be moved to your regular inbox').
                    739:             '</small><br />'.
1.42      raeburn   740:             '<input type="submit" name="rec_'.$key.'" value="'.&mt('Confirm Receipt').'" />'.
                    741:             '<input type="submit" name="reprec_'.$key.'" '.
1.1       albertel  742:                   'value="'.&mt('Confirm Receipt and Reply').'" />';
                    743:     }
                    744:     # Check to see if there were any messages.
                    745:     if ($result eq '') {
                    746:         $result = "<h2>".&mt('You have no critical messages.')."</h2>".
1.38      raeburn   747: 	    '<a href="/adm/roles">'.&mt('Select a course').'</a><br />'.
1.1       albertel  748:             '<a href="/adm/email">'.&mt('Communicate').'</a>';
                    749:     } else {
                    750:         $r->print($header);
                    751:     }
                    752:     $r->print($result);
                    753:     $r->print('<input type="hidden" name="displayedcrit" value="true" /></form>');
                    754: }
                    755: 
                    756: sub sortedmessages {
1.53      raeburn   757:     my ($blocked,$startblock,$endblock,$numblocked,$folder,$msgstatus) = @_;
1.1       albertel  758:     my $suffix=&Apache::lonmsg::foldersuffix($folder);
                    759:     my @messages = &Apache::lonnet::getkeys('nohist_email'.$suffix);
                    760:     #unpack the varibles and repack into temp for sorting
                    761:     my @temp;
                    762:     my %descriptions;
                    763:     my %status_cache = 
                    764: 	&Apache::lonnet::get('email_status'.&Apache::lonmsg::foldersuffix($folder),\@messages);
1.11      albertel  765: 
                    766:     my $get_received;
                    767:     if ($folder eq 'sent' 
                    768: 	&& ($env{'form.sortedby'} =~ m/^(rev)?(user|domain)$/)) {
                    769: 	$get_received = 1;
                    770:     }
                    771: 
                    772:     foreach my $msgid (@messages) {
1.29      www       773: 	my $esc_msgid=&escape($msgid);
1.59      raeburn   774: 	my ($sendtime,$shortsubj,$fromname,$fromdomain,$status,$fromcid,$processid,$symb,$error) =
1.11      albertel  775: 	    &Apache::lonmsg::unpackmsgid($esc_msgid,$folder,undef,
1.1       albertel  776: 					 \%status_cache);
1.53      raeburn   777:         next if ($msgstatus ne '' && $msgstatus ne $status);
1.1       albertel  778:         my $description = &get_course_desc($fromcid,\%descriptions);
                    779: 	my @temp1 = ($sendtime,$shortsubj,$fromname,$fromdomain,$status,
1.11      albertel  780: 		     $esc_msgid,$description);
                    781: 	if ($get_received) {
                    782: 	    my %message = &Apache::lonnet::get('nohist_email'.$suffix,
                    783: 					       [$msgid]);
                    784: 	    my %content = &Apache::lonmsg::unpackagemsg($message{$msgid});
                    785: 	    push(@temp1,$content{'recuser'},$content{'recdomain'});
                    786: 	}
1.1       albertel  787:         # Check whether message was sent during blocking period.
                    788:         if ($sendtime >= $startblock && ($sendtime <= $endblock && $endblock > 0) ) {
1.11      albertel  789:             $$blocked{$msgid} = 'ON';
1.1       albertel  790:             $$numblocked ++;
                    791:         } else { 
                    792:             push @temp ,\@temp1;
                    793:         }
                    794:     }
                    795:     #default sort
                    796:     @temp = sort  {$a->[0] <=> $b->[0]} @temp;    
                    797:     if ($env{'form.sortedby'} eq "date"){
                    798:         @temp = sort  {$a->[0] <=> $b->[0]} @temp;    
                    799:     }
                    800:     if ($env{'form.sortedby'} eq "revdate"){
                    801:     	@temp = sort  {$b->[0] <=> $a->[0]} @temp; 
                    802:     }
                    803:     if ($env{'form.sortedby'} eq "user"){
1.11      albertel  804: 	if ($get_received) {
                    805: 	    @temp = sort  {lc($a->[7][0]) cmp lc($b->[7][0])} @temp;
                    806: 	} else {
                    807: 	    @temp = sort  {lc($a->[2])    cmp lc($b->[2])}    @temp;
                    808: 	}
1.1       albertel  809:     }
                    810:     if ($env{'form.sortedby'} eq "revuser"){
1.11      albertel  811: 	if ($get_received) {
                    812: 	    @temp = sort  {lc($b->[7][0]) cmp lc($a->[7][0])} @temp;
                    813: 	} else {
                    814: 	    @temp = sort  {lc($b->[2])    cmp lc($a->[2])}    @temp;
                    815: 	}
1.1       albertel  816:     }
                    817:     if ($env{'form.sortedby'} eq "domain"){
1.11      albertel  818: 	if ($get_received) {
                    819: 	    @temp = sort  {$a->[8][0] cmp $b->[8][0]} @temp;
                    820: 	} else {
                    821: 	    @temp = sort  {$a->[3]    cmp $b->[3]}    @temp;
                    822: 	}
1.1       albertel  823:     }
                    824:     if ($env{'form.sortedby'} eq "revdomain"){
1.11      albertel  825: 	if ($get_received) {
                    826: 	    @temp = sort  {$b->[8][0] cmp $a->[8][0]} @temp;
                    827: 	} else {
                    828: 	    @temp = sort  {$b->[3]    cmp $a->[3]}    @temp;
                    829: 	}
1.1       albertel  830:     }
                    831:     if ($env{'form.sortedby'} eq "subject"){
                    832:         @temp = sort  {lc($a->[1]) cmp lc($b->[1])} @temp;
                    833:     }
                    834:     if ($env{'form.sortedby'} eq "revsubject"){
                    835:         @temp = sort  {lc($b->[1]) cmp lc($a->[1])} @temp;
                    836:     }
                    837:     if ($env{'form.sortedby'} eq "course"){
                    838:         @temp = sort  {lc($a->[6]) cmp lc($b->[6])} @temp;
                    839:     }
                    840:     if ($env{'form.sortedby'} eq "revcourse"){
                    841:         @temp = sort  {lc($b->[6]) cmp lc($a->[6])} @temp;
                    842:     }
                    843:     if ($env{'form.sortedby'} eq "status"){
                    844:         @temp = sort  {$a->[4] cmp $b->[4]} @temp;
                    845:     }
                    846:     if ($env{'form.sortedby'} eq "revstatus"){
                    847:         @temp = sort  {$b->[4] cmp $a->[4]} @temp;
                    848:     }
                    849:     return @temp;
                    850: }
                    851: 
                    852: sub get_course_desc {
                    853:     my ($fromcid,$descriptions) = @_;
                    854:     my $description;
                    855:     if (!$fromcid) {
                    856:         return $description;
                    857:     } else {
                    858:         if (defined($$descriptions{$fromcid})) {
                    859:             $description = $$descriptions{$fromcid};
                    860:         } else {
                    861:             if (defined($env{'course.'.$fromcid.'.description'})) {
                    862:                 $description = $env{'course.'.$fromcid.'.description'};
                    863:             } else {
1.48      albertel  864:                 my %courseinfo=&Apache::lonnet::coursedescription($fromcid);
1.1       albertel  865:                 $description = $courseinfo{'description'};
                    866:             }
                    867:             $$descriptions{$fromcid} = $description;
                    868:         }
                    869:         return $description;
                    870:     }
                    871: }
                    872: 
                    873: # ======================================================== Display all messages
                    874: 
                    875: sub disall {
1.53      raeburn   876:     my ($r,$folder,$msgstatus)=@_;
1.57      albertel  877:     my %saveable = ('folder'    => 'scalar',
                    878: 		    'msgstatus' => 'scalar',
                    879: 		    'sortedby'  => 'scalar',
                    880: 		    'interdis'  => 'scalar',
                    881: 		    );
                    882:     &Apache::loncommon::store_settings('user','mail',\%saveable);
                    883:     &Apache::loncommon::restore_settings('user','mail',\%saveable);
                    884:     $folder    ||= $env{'form.folder'};
                    885:     $msgstatus ||= $env{'form.msgstatus'};
                    886:     $env{'form.interdis'} ||= 20;
                    887: 
1.53      raeburn   888:     $r->print(&folderlist($folder,$msgstatus));
                    889:     if ($folder eq 'critical') {
1.1       albertel  890: 	&discrit($r);
                    891:     } else {
1.53      raeburn   892: 	&disfolder($r,$folder,$msgstatus);
1.1       albertel  893:     }
                    894: }
                    895: 
                    896: # ============================================================ Display a folder
                    897: 
                    898: sub disfolder {
1.53      raeburn   899:     my ($r,$folder,$msgstatus)=@_;
                    900:     my %statushash = &get_msgstatus_types();
1.1       albertel  901:     my %blocked = ();
                    902:     my %setters = ();
                    903:     my $numblocked = 0;
1.44      raeburn   904:     my ($startblock,$endblock) = &Apache::loncommon::blockcheck(\%setters,'com');
1.53      raeburn   905:     my %lt = &Apache::lonlocal::texthash(
                    906:                       sede => 'Select a destination folder to which the messages will be moved.',
                    907:                       nome => 'No messages have been selected to apply ths action to.',
                    908:                       chec => 'Check the checkbox for at least one message.',  
                    909:     );
1.64      raeburn   910:     my $jscript = &Apache::loncommon::check_uncheck_jscript();
1.1       albertel  911:     $r->print(<<ENDDISHEADER);
1.16      albertel  912: <script type="text/javascript">
1.64      raeburn   913:     $jscript
1.1       albertel  914: 
1.53      raeburn   915:     function checkfoldermove() {
                    916:         if (document.disall.checkedaction.options[document.disall.checkedaction.selectedIndex].value == 'markedmove') {
                    917:             if (document.disall.movetofolder.options[document.disall.movetofolder.selectedIndex].value == "") {
                    918:                 alert("$lt{'sede'}");
                    919:                 return;
1.1       albertel  920:             }
                    921:         }
1.53      raeburn   922:         return; 
1.1       albertel  923:     }
1.53      raeburn   924: 
                    925:     function validate_checkedaction() {
                    926:         document.disall.markedaction.value = document.disall.checkedaction.options[document.disall.checkedaction.selectedIndex].value;
                    927:         if (document.disall.checkedaction.options[document.disall.checkedaction.selectedIndex].value == 'markedmove') {
                    928:             if (document.disall.movetofolder.options[document.disall.movetofolder.selectedIndex].value == "") {
                    929:                 alert("$lt{'sede'}");
                    930:                 return;
                    931:             } 
                    932:         }
                    933:         var checktotal = 0;
1.64      raeburn   934:         if (document.forms.disall.delmark.length > 0) {
                    935:             for (var i=0; i<document.forms.disall.delmark.length; i++) {
                    936:                 if (document.forms.disall.delmark[i].checked) {
                    937:                     checktotal ++;
                    938:                 }
                    939:             }
                    940:         } else {
                    941:             if (document.forms.disall.delmark.checked) {
1.53      raeburn   942:                 checktotal ++;
                    943:             }
1.64      raeburn   944:         }   
1.53      raeburn   945:         if (checktotal == 0) {
                    946:             alert("$lt{'nome'}\\n$lt{'chec'}");
                    947:             return;
                    948:         }
                    949:         document.disall.submit();
                    950:     }
                    951: 
1.1       albertel  952: </script>
                    953: ENDDISHEADER
1.54      albertel  954: 
1.1       albertel  955:     my $fsqs='&folder='.$folder;
1.53      raeburn   956:     my @temp=&sortedmessages(\%blocked,$startblock,$endblock,\$numblocked,$folder,$msgstatus);
1.1       albertel  957:     my $totalnumber=$#temp+1;
1.53      raeburn   958:     if ($totalnumber < 1) {
                    959:         if ($msgstatus eq '') {
                    960: 	    $r->print('<h2>'.&mt('Empty Folder').'</h2>');
                    961:         } elsif ($msgstatus eq 'replied') {
                    962:             $r->print('<h2>'.&mt('You have not replied to any messages in this folder.').'</h2>');
                    963:         } else { 
1.55      albertel  964:             $r->print('<h2>'.&mt('There are no '.lc($statushash{$msgstatus}).' messages in this folder.').'</h2>');
1.53      raeburn   965:         }
1.65      raeburn   966:         if ($numblocked > 0) {
                    967:             $r->print(&blocked_in_folder($numblocked,$startblock,$endblock,
                    968:                                          \%setters));
                    969:         }
1.1       albertel  970: 	return;
                    971:     }
1.57      albertel  972:     my $interdis = $env{'form.interdis'};
1.1       albertel  973:     my $number=int($totalnumber/$interdis);
1.57      albertel  974:     if ($totalnumber%$interdis == 0) {
                    975: 	$number--; 
1.53      raeburn   976:     }
                    977: 
1.1       albertel  978:     if (($startdis<0) || ($startdis>$number)) { $startdis=$number; }
                    979:     my $firstdis=$interdis*$startdis;
                    980:     if ($firstdis>$#temp) { $firstdis=$#temp-$interdis+1; }
                    981:     my $lastdis=$firstdis+$interdis-1;
                    982:     if ($lastdis>$#temp) { $lastdis=$#temp; }
1.53      raeburn   983:     $r->print(&scrollbuttons($startdis,$number,$firstdis,$lastdis,$totalnumber,$msgstatus));
1.1       albertel  984:     $r->print('<form method="post" name="disall" action="/adm/email">'.
1.53      raeburn   985: 	      '<table class="LC_mail_list"><tr><th colspan="1">&nbsp;</th><th>');
1.1       albertel  986:     if ($env{'form.sortedby'} eq "revdate") {
                    987: 	$r->print('<a href = "?sortedby=date'.$fsqs.'">'.&mt('Date').'</a></th>');
                    988:     } else {
                    989: 	$r->print('<a href = "?sortedby=revdate'.$fsqs.'">'.&mt('Date').'</a></th>');
                    990:     }
                    991:     $r->print('<th>');
                    992:     if ($env{'form.sortedby'} eq "revuser") {
                    993: 	$r->print('<a href = "?sortedby=user'.$fsqs.'">'.&mt('Username').'</a>');
                    994:     } else {
                    995: 	$r->print('<a href = "?sortedby=revuser'.$fsqs.'">'.&mt('Username').'</a>');
                    996:     }
                    997:     $r->print('</th><th>');
                    998:     if ($env{'form.sortedby'} eq "revdomain") {
                    999: 	$r->print('<a href = "?sortedby=domain'.$fsqs.'">'.&mt('Domain').'</a>');
                   1000:     } else {
                   1001: 	$r->print('<a href = "?sortedby=revdomain'.$fsqs.'">'.&mt('Domain').'</a>');
                   1002:     }
                   1003:     $r->print('</th><th>');
                   1004:     if ($env{'form.sortedby'} eq "revsubject") {
                   1005: 	$r->print('<a href = "?sortedby=subject'.$fsqs.'">'.&mt('Subject').'</a>');
                   1006:     } else {
                   1007:     	$r->print('<a href = "?sortedby=revsubject'.$fsqs.'">'.&mt('Subject').'</a>');
                   1008:     }
                   1009:     $r->print('</th><th>');
                   1010:     if ($env{'form.sortedby'} eq "revcourse") {
1.46      raeburn  1011:         $r->print('<a href = "?sortedby=course'.$fsqs.'">'.&mt('Course').'</a>');
1.1       albertel 1012:     } else {
1.46      raeburn  1013:         $r->print('<a href = "?sortedby=revcourse'.$fsqs.'">'.&mt('Course').'</a>');
1.1       albertel 1014:     }
                   1015:     $r->print('</th><th>');
                   1016:     if ($env{'form.sortedby'} eq "revstatus") {
                   1017: 	$r->print('<a href = "?sortedby=status'.$fsqs.'">'.&mt('Status').'</a></th>');
                   1018:     } else {
                   1019:      	$r->print('<a href = "?sortedby=revstatus'.$fsqs.'">'.&mt('Status').'</a></th>');
                   1020:     }
                   1021:     $r->print("</tr>\n");
1.6       albertel 1022: 
                   1023:     my $suffix = &Apache::lonmsg::foldersuffix($folder);
1.1       albertel 1024:     for (my $n=$firstdis;$n<=$lastdis;$n++) {
1.11      albertel 1025: 	my ($sendtime,$shortsubj,$fromname,$fromdomain,$status,$origID,
                   1026: 	    $description,$recv_name,$recv_domain)= 
                   1027: 		@{$temp[$n]};
1.1       albertel 1028: 	if (($status ne 'deleted') && defined($sendtime) && $sendtime!~/error/) {
                   1029: 	    if ($status eq 'new') {
1.4       albertel 1030: 		$r->print('<tr class="LC_mail_new">');
1.1       albertel 1031: 	    } elsif ($status eq 'read') {
1.4       albertel 1032: 		$r->print('<tr class="LC_mail_read">');
1.1       albertel 1033: 	    } elsif ($status eq 'replied') {
1.4       albertel 1034: 		$r->print('<tr class="LC_mail_replied">'); 
1.1       albertel 1035: 	    } else {
1.4       albertel 1036: 		$r->print('<tr class="LC_mail_other">');
1.1       albertel 1037: 	    }
1.6       albertel 1038: 	    my ($dis_name,$dis_domain) = ($fromname,$fromdomain);
                   1039: 	    if ($folder eq 'sent') {
1.69      raeburn  1040:                 if (defined($recv_name) && defined($recv_domain)) {
                   1041: 		    if (ref($recv_name) eq 'ARRAY' && 
                   1042:                         ref($recv_domain) eq 'ARRAY') {
                   1043: 		        $dis_name   = join('<br />',@{$recv_name});
                   1044: 		        $dis_domain = join('<br />',@{$recv_domain});
                   1045:                     }
1.11      albertel 1046: 		} else {
1.29      www      1047: 		    my $msg_id  = &unescape($origID);
1.11      albertel 1048: 		    my %message = &Apache::lonnet::get('nohist_email'.$suffix,
                   1049: 						       [$msg_id]);
                   1050: 		    my %content = &Apache::lonmsg::unpackagemsg($message{$msg_id});
1.69      raeburn  1051:                     if (ref($content{'recuser'}) eq 'ARRAY') {
                   1052: 		        $dis_name   = join('<br />',@{$content{'recuser'}});
                   1053:                     }
                   1054:                     if (ref($content{'recdomain'}) eq 'ARRAY') {
                   1055: 		        $dis_domain = join('<br />',@{$content{'recdomain'}});
                   1056:                     }
1.11      albertel 1057: 		}
1.6       albertel 1058: 	    }
1.53      raeburn  1059:             my $localsenttime = &Apache::lonlocal::locallocaltime($sendtime);
                   1060:             my $count = $n +1;
                   1061: 	    $r->print('<td align="right"><nobr>'.(($status eq 'new')?'<b>':'').
                   1062:                       $count.'.'.(($status eq 'new')?'</b>':'').'&nbsp;'.
                   1063:                       '<input type="checkbox" name="delmark"'. 
                   1064:                       ' value="'.$origID.'" /></nobr></td>');
                   1065:             foreach my $item ($localsenttime,$dis_name,$dis_domain,$shortsubj) {
                   1066:                 $r->print('<td>'.(($status eq 'new')?'<b>':'').
1.61      raeburn  1067:                           '<a href="/adm/email?display='.$origID.$sqs.'">'.
1.53      raeburn  1068:                           $item.(($status eq 'new')?'</b>':'').'</td>');
                   1069:             }
                   1070:             my $showstatus;
                   1071:             my %statushash = &get_msgstatus_types();
                   1072:             if ($status eq '') {
                   1073:                 $showstatus = '';
                   1074:             } else {
                   1075:                 $showstatus = $statushash{$status};
                   1076:             }
                   1077: 	    $r->print('<td>'.(($status eq 'new')?'<b>':'').$description.
                   1078:                       (($status eq 'new')?'</b>':'').'</td><td>'.
                   1079:                       (($status eq 'new')?'<b>':'').$showstatus.
                   1080:                       (($status eq 'new')?'</b>':'').'</td></tr>'."\n");
1.1       albertel 1081: 	} elsif ($status eq 'deleted') {
                   1082: # purge
1.9       albertel 1083: 	    my ($result,$msg) = 
1.29      www      1084: 		&movemsg(&unescape($origID),$folder,'trash');
1.9       albertel 1085: 	    
1.1       albertel 1086: 	}
                   1087:     }   
1.53      raeburn  1088:     $r->print("</table>\n");
                   1089:     $r->print('<table border="0" cellspacing="2" cellpadding="2">
                   1090:  <tr>
                   1091:   <td>'.
1.64      raeburn  1092:   '<input type="button" onclick="javascript:checkAll(document.disall.delmark)" value="'.&mt('Check All').'" /><br />'."\n".
                   1093:   '<input type="button" onclick="javascript:uncheckAll(document.disall.delmark)" value="'.&mt('Uncheck All').'" />'."\n".
1.53      raeburn  1094:   '<input type="hidden" name="sortedby" value="'.$env{'form.sortedby'}.'" /></td><td>&nbsp;</td>'."\n".
                   1095:   '<td align="center"><b>'.&mt('Action').'</b><br />'."\n".
                   1096:   '  <select name="checkedaction" onchange="javascript:checkfoldermove()">'."\n");
                   1097: 
1.1       albertel 1098:     if ($folder ne 'trash') {
1.53      raeburn  1099:         $r->print('    <option value="markeddel">'.&mt('Delete').'</option>'."\n");
                   1100:     }
                   1101:     if ($msgstatus ne 'read') {
                   1102:         $r->print('    <option value="markedread">'.&mt('Mark Read').'</option>."\n"');
                   1103:     }
                   1104:     if ($msgstatus ne 'unread') {
                   1105:         $r->print('    <option value="markedunread">'.&mt('Mark Unread').'</option>'."\n");
1.1       albertel 1106:     }
1.53      raeburn  1107:     $r->print('   <option value="markedforward">'.&mt('Forward').'</option>'."\n");
1.54      albertel 1108: 
                   1109:     my %gotfolders = &Apache::lonmsg::get_user_folders();
1.53      raeburn  1110:     if (keys(%gotfolders) > 0) {
                   1111:         $r->print('   <option value="markedmove">'.&mt('Move to Folder ->').
                   1112:                   '</option>');
                   1113:     }
                   1114:     $r->print("\n".'</select></td>'."\n");
1.54      albertel 1115: 
1.53      raeburn  1116:     if (keys(%gotfolders) > 0) {
                   1117:         $r->print('<td align="center"><b>'.&mt('Destination folder').'<b><br />');
1.54      albertel 1118: 	my %userfolders;
1.53      raeburn  1119:         foreach my $key (keys(%gotfolders)) {
                   1120:             $userfolders{$key} = $key;
                   1121:         }
                   1122:         $userfolders{''} = "";
                   1123:         $r->print(&Apache::loncommon::select_form('','movetofolder',%userfolders).
                   1124:                   '</td>');
                   1125:     }
                   1126:     $r->print('<td>&nbsp;</td><td>&nbsp;&nbsp;'.
                   1127:               '<input type="button" name="go" value="'.&mt('Go').
                   1128:               '" onclick="javascript:validate_checkedaction()"/></td>'."\n".
                   1129:               '</tr></table>');
1.1       albertel 1130:     my $postedstartdis=$startdis+1;
1.53      raeburn  1131:     $r->print('<input type="hidden" name="folder" value="'.$folder.'" /><input type="hidden" name="startdis" value="'.$postedstartdis.'" /><input type="hidden" name="interdis" value="'.$env{'form.interdis'}.'" /><input type="hidden" name="msgstatus" value="'.$msgstatus.'" ><input type="hidden" name="markedaction" value="" /></form>');
1.1       albertel 1132:     if ($numblocked > 0) {
1.65      raeburn  1133:         $r->print(&blocked_in_folder($numblocked,$startblock,$endblock,
                   1134:                                      \%setters));
1.1       albertel 1135:     }
                   1136: }
                   1137: 
1.65      raeburn  1138: sub blocked_in_folder {
                   1139:     my ($numblocked,$startblock,$endblock,$setters) = @_;
                   1140:     my $beginblock = &Apache::lonlocal::locallocaltime($startblock);
                   1141:     my $finishblock = &Apache::lonlocal::locallocaltime($endblock);
                   1142:     my $output = '<br /><br />'.
                   1143:                   &mt('[quant,_1,message is, messages are] not viewable because display of LON-CAPA messages sent to you by other students between [_2] and [_3] is currently being blocked because of online exams.',$numblocked,$beginblock,$finishblock);
                   1144:     $output .= &Apache::loncommon::build_block_table($startblock,$endblock,
                   1145:                                                      $setters);
                   1146:     return $output;
                   1147: }
                   1148: 
1.1       albertel 1149: # ============================================================== Compose output
                   1150: 
                   1151: sub compout {
1.53      raeburn  1152:     my ($r,$forwarding,$replying,$broadcast,$replycrit,$folder,$dismode,
                   1153:         $multiforward)=@_;
1.1       albertel 1154:     my $suffix=&Apache::lonmsg::foldersuffix($folder);
1.38      raeburn  1155:     my ($cdom,$cnum,$group,$refarg);
                   1156:     if (exists($env{'form.group'})) {
                   1157:         $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   1158:         $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   1159:         $group = $env{'form.group'};
                   1160:         my $action = 'composing';
                   1161:         $r->print(&groupmail_header($action,$group,$cdom,$cnum));
                   1162:     } elsif ($broadcast eq 'individual') {
1.1       albertel 1163: 	&printheader($r,'/adm/email?compose=individual',
                   1164: 	     'Send a Message');
                   1165:     } elsif ($broadcast) {
                   1166: 	&printheader($r,'/adm/email?compose=group',
                   1167: 	     'Broadcast Message');
                   1168:     } elsif ($forwarding) {
                   1169: 	&Apache::lonhtmlcommon::add_breadcrumb
1.29      www      1170:         ({href=>"/adm/email?display=".&escape($forwarding),
1.1       albertel 1171:           text=>"Display Message"});
1.29      www      1172: 	&printheader($r,'/adm/email?forward='.&escape($forwarding),
1.1       albertel 1173: 	     'Forwarding a Message');
                   1174:     } elsif ($replying) {
                   1175: 	&Apache::lonhtmlcommon::add_breadcrumb
1.29      www      1176:         ({href=>"/adm/email?display=".&escape($replying),
1.1       albertel 1177:           text=>"Display Message"});
1.29      www      1178: 	&printheader($r,'/adm/email?replyto='.&escape($replying),
1.1       albertel 1179: 	     'Replying to a Message');
                   1180:     } elsif ($replycrit) {
                   1181: 	$r->print('<h3>'.&mt('Replying to a Critical Message').'</h3>');
                   1182: 	$replying=$replycrit;
1.53      raeburn  1183:     } elsif ($multiforward) {
                   1184:         &Apache::lonhtmlcommon::add_breadcrumb
                   1185:         ({href=>"/adm/email?folder=".&escape($folder),
                   1186:           text=>"Display All Messages"});
                   1187:         &printheader($r,'/adm/email?compose=multiforward',
                   1188:              'Forwarding Multiple Messages');
1.70      raeburn  1189:         if ($multiforward > 1) {
                   1190:             $r->print(&mt('Each of the <b>[quant,_1,message]</b> you checked
                   1191: will be forwarded to the recipient(s) you select below.',$multiforward).'<br />');
                   1192:         } else {
                   1193:             $r->print(&mt('The message you checked will be forwarded to the recipient(s) you select below.').'<br />');
                   1194:         }
                   1195: 
1.1       albertel 1196:     } else {
                   1197: 	&printheader($r,'/adm/email?compose=upload',
                   1198: 	     'Distribute from Uploaded File');
                   1199:     }
                   1200: 
                   1201:     my $dispcrit='';
                   1202:     my $dissub='';
                   1203:     my $dismsg='';
                   1204:     my $disbase='';
                   1205:     my $func=&mt('Send New');
1.50      raeburn  1206:     my %lt=&Apache::lonlocal::texthash('us'  => 'Username',
                   1207: 				       'do'  => 'Domain',
                   1208: 				       'ad'  => 'Additional Recipients',
                   1209: 				       'sb'  => 'Subject',
                   1210: 				       'ca'  => 'Cancel',
                   1211: 				       'ma'  => 'Mail',
1.53      raeburn  1212:                                        'msg' => 'Messages',
1.50      raeburn  1213:                                        'gen' => 'Generate messages from a file',
                   1214:                                        'gmt' => 'General message text',
                   1215:                                        'tff' => 'The file format for the uploaded portion of the message is',
                   1216:                                        'uas' => 'Upload and Send',
                   1217:                                       );
1.1       albertel 1218:     if (&Apache::lonnet::allowed('srm',$env{'request.course.id'})
                   1219: 	|| &Apache::lonnet::allowed('srm',$env{'request.course.id'}.
                   1220: 				    '/'.$env{'request.course.sec'})) {
                   1221: 	 my $crithelp = Apache::loncommon::help_open_topic("Course_Critical_Message");
                   1222:          $dispcrit=
                   1223:  '<p><label><input type="checkbox" name="critmsg" /> '.&mt('Send as critical message').'</label> ' . $crithelp . 
                   1224:  '</p><p>'.
                   1225:  '<label><input type="checkbox" name="sendbck" /> '.&mt('Send as critical message').'  ' .
                   1226:  &mt('and return receipt') . '</label>' . $crithelp . 
                   1227:  '</p><p><label><input type="checkbox" name="permanent" /> '.
                   1228: &mt('Send copy to permanent email address (if known)').'</label></p>'.
                   1229: '<p><label><input type="checkbox" name="rsspost" /> '.
                   1230: 		  &mt('Include in course RSS newsfeed').'</label></p>';
1.70      raeburn  1231:     }
1.71    ! raeburn  1232:     if ($broadcast ne 'group') {
        !          1233:         if (&Apache::lonnet::allowed('dff',$env{'request.course.id'}) ||
        !          1234:             &Apache::lonnet::allowed('dff',$env{'request.course.id'}.
        !          1235:                                      '/'.$env{'request.course.sec'})) {
        !          1236: 
        !          1237:             $dispcrit.='<p><label>'.
        !          1238:                        '<input type="checkbox" name="courserecord" value="1" /> '.
        !          1239:                        &mt("Include in course's 'User records' for recipient(s)").
        !          1240:                        '</label></p>';
        !          1241:         }
1.70      raeburn  1242:     }
                   1243: 
1.1       albertel 1244:     my %message;
                   1245:     my %content;
                   1246:     my $defdom=$env{'user.domain'};
                   1247:     if ($forwarding) {
                   1248: 	%message=&Apache::lonnet::get('nohist_email'.$suffix,[$forwarding]);
                   1249: 	%content=&Apache::lonmsg::unpackagemsg($message{$forwarding},$folder);
                   1250: 	$dispcrit.='<input type="hidden" name="forwid" value="'.
                   1251: 	    $forwarding.'" />';
                   1252: 	$func=&mt('Forward');
                   1253: 	
                   1254: 	$dissub=&mt('Forwarding').': '.$content{'subject'};
                   1255: 	$dismsg=&mt('Forwarded message from').' '.
                   1256: 	    $content{'sendername'}.' '.&mt('at').' '.$content{'senderdomain'};
                   1257: 	if ($content{'baseurl'}) {
1.29      www      1258: 	    $disbase='<input type="hidden" name="baseurl" value="'.&escape($content{'baseurl'}).'" />';
1.1       albertel 1259: 	}
                   1260:     }
                   1261:     if ($replying) {
                   1262: 	%message=&Apache::lonnet::get('nohist_email'.$suffix,[$replying]);
                   1263: 	%content=&Apache::lonmsg::unpackagemsg($message{$replying},$folder);
                   1264: 	$dispcrit.='<input type="hidden" name="replyid" value="'.
                   1265: 	    $replying.'" />';
                   1266: 	$func=&mt('Send Reply to');
                   1267: 	
                   1268: 	$dissub=&mt('Reply').': '.$content{'subject'};       
                   1269: 	$dismsg='> '.$content{'message'};
                   1270: 	$dismsg=~s/\r/\n/g;
                   1271: 	$dismsg=~s/\f/\n/g;
                   1272: 	$dismsg=~s/\n+/\n\> /g;
                   1273: 	if ($content{'baseurl'}) {
1.29      www      1274: 	    $disbase='<input type="hidden" name="baseurl" value="'.&escape($content{'baseurl'}).'" />';
1.1       albertel 1275: 	    if ($env{'user.adv'}) {
                   1276: 		$disbase.='<label><input type="checkbox" name="storebasecomment" />'.&mt('Store message for re-use').
                   1277: 		    '</label> <a href="/adm/email?showcommentbaseurl='.
1.29      www      1278: 		    &escape($content{'baseurl'}).'" target="comments">'.
1.1       albertel 1279: 		    &mt('Show re-usable messages').'</a><br />';
                   1280: 	    }
                   1281: 	}
                   1282:     }
                   1283:     my $citation=&displayresource(%content);
1.38      raeburn  1284:     my ($can_grp_broadcast,$viewgrps,$editgrps);
1.1       albertel 1285:     if ($env{'form.recdom'}) { $defdom=$env{'form.recdom'}; }
1.23      www      1286:     if ($env{'form.text'}) { $dismsg=$env{'form.text'}; }
                   1287:     if ($env{'form.subject'}) { $dissub=$env{'form.subject'}; }
                   1288:     $r->print(
1.1       albertel 1289:                 '<form action="/adm/email"  name="compemail" method="post"'.
                   1290:                 ' enctype="multipart/form-data">'."\n".
1.38      raeburn  1291:                 '<input type="hidden" name="sendmail" value="on" />'."\n");
                   1292:     if ($broadcast eq 'group' && $env{'form.group'} ne '') {
                   1293:         $can_grp_broadcast = 
                   1294:                 &Apache::lonnet::allowed('sgb',$env{'request.course.id'}.'/'.
                   1295:                                          $group);
                   1296:         $viewgrps = 
                   1297:                &Apache::lonnet::allowed('vcg',$env{'request.course.id'}.
                   1298:                ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
                   1299:         $editgrps = 
                   1300:                &Apache::lonnet::allowed('mdg',$env{'request.course.id'}.
                   1301:                ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
                   1302:         if ($viewgrps || $editgrps || $can_grp_broadcast) {
                   1303:             $r->print(&disgroup($cdom,$cnum,$group,$viewgrps,$editgrps));
                   1304:         }
                   1305:     }
                   1306:     $r->print('<table>');
                   1307:     if (($broadcast eq 'group') && ($group ne '') && 
                   1308:         (!$can_grp_broadcast && !$viewgrps && !$editgrps)) {
                   1309:         $r->print(&recipient_input_row($cdom,%lt));
                   1310:     } 
                   1311:     if (($broadcast ne 'group') && ($broadcast ne 'upload')) {
1.1       albertel 1312: 	if ($replying) {
                   1313: 	    $r->print('<tr><td colspan="2">'.&mt('Replying to').' '.
                   1314: 		      &Apache::loncommon::aboutmewrapper(
                   1315: 							 &Apache::loncommon::plainname($content{'sendername'},$content{'senderdomain'}),$content{'sendername'},$content{'senderdomain'}).' ('.
1.14      albertel 1316: 		      $content{'sendername'}.':'.
1.1       albertel 1317: 		      $content{'senderdomain'}.')'.
                   1318: 		      '<input type="hidden" name="recuname" value="'.$content{'sendername'}.'" />'.
                   1319: 		      '<input type="hidden" name="recdomain" value="'.$content{'senderdomain'}.'" />'.
                   1320: 		      '</td></tr>');
                   1321: 	} else {
1.38      raeburn  1322:             $r->print(&recipient_input_row($defdom,%lt));
1.1       albertel 1323:         }
                   1324:     }
                   1325:     my $latexHelp = Apache::loncommon::helpLatexCheatsheet();
1.53      raeburn  1326:     my $subj_size;
                   1327:     if ($multiforward) {
                   1328:         $r->print(&additional_rec_row(\%lt));
                   1329:         $r->print('<tr><td colspan="2">'.
                   1330:                   &mt('Unless you choose otherwise:').'<ul><li>'.
                   1331:         &mt("The subject in each forwarded message will be <i>'Forwarding:'</i> followed by the original subject.").'</li><li>'.
                   1332:         &mt("The message itself will begin with a first line: <i>'Forwarded message from'</i> followed by the original sender's name.").'</li></ul></td></tr>');
                   1333:         $func=&mt('Forward');
                   1334:         $dissub = &mt('Forwarding').': ';
                   1335:         $subj_size = '10';
                   1336:         my $extra = '&lt;'.&mt('original subject').'&gt;&nbsp;&nbsp;&nbsp;'.
                   1337:                     '<input type="radio" name="showorigsubj" value="1" checked="checked" />'.&mt('Yes').'&nbsp;<input type="radio" name="showorigsubj" value="0" />'.&mt('No');
                   1338:         $dismsg = &mt('Forwarded message from ').' ';
                   1339:         my $sender = &mt("sender's name");
                   1340:         $r->print(&msg_subject_row($dissub,\%lt,$subj_size,$extra));
                   1341:         $r->print('<tr><td>'.&mt('Message begins with:').'</td><td><input type="text" name="msgheader" value="'.$dismsg.'" />&nbsp;'.$sender.'&nbsp;&nbsp;&nbsp;<input type="radio" name="showorigsender" value="1" checked="checked" />'.&mt('Yes').'&nbsp;<input type="radio" name="showorigsender" value="0" />'.&mt('No').'<input type="hidden" name="multiforward" value="'.$multiforward.'" /></td></tr>
                   1342: </table>
                   1343: <br />'.
                   1344: $latexHelp.
                   1345: &mt("Any new text to display before the text of the original messages:").'<br />
                   1346: <textarea name="message" id="message" cols="80" rows="5" wrap="hard">
                   1347: </textarea></p><br />');
                   1348:         my @to_forward = &Apache::loncommon::get_env_multiple('form.delmark');
                   1349:         foreach my $msg (@to_forward) {
                   1350:             $r->print('<input type="hidden" name="delmark" value="'.$msg.'" />');
                   1351:         }
                   1352:         $r->print(&submit_button_row($folder,$dismode,$func.' '.$lt{'msg'},
                   1353:                                      \%lt));
                   1354:     } elsif ($broadcast ne 'upload') {
                   1355:         $subj_size = '50';
                   1356:         $r->print(&additional_rec_row(\%lt));
                   1357:         $r->print(&msg_subject_row($dissub,\%lt,$subj_size));
                   1358:         $r->print(<<"ENDCOMP");
                   1359: </table>
1.1       albertel 1360: $latexHelp
                   1361: <textarea name="message" id="message" cols="80" rows="15" wrap="hard">$dismsg
                   1362: </textarea></p><br />
                   1363: $dispcrit
                   1364: $disbase
                   1365: ENDCOMP
1.53      raeburn  1366:         $r->print(&submit_button_row($folder,$dismode,$func.' '.$lt{'ma'},
                   1367:                                      \%lt));
                   1368:         $r->print($citation);
1.38      raeburn  1369:         if (exists($env{'form.ref'})) {
                   1370:             $r->print('<input type="hidden" name="ref" value="'.
                   1371:                       $env{'form.ref'}.'" />');
                   1372:         }
                   1373:         if (exists($env{'form.group'})) {
                   1374:             $r->print('<input type="hidden" name="group" value="'.
                   1375:                       $env{'form.group'}.'" />');
                   1376:         }
1.1       albertel 1377:     } else { # $broadcast is 'upload'
1.50      raeburn  1378: 	$r->print(<<ENDBLOCK);
1.1       albertel 1379: <input type="hidden" name="sendmode" value="upload" />
                   1380: <input type="hidden" name="send" value="on" />
1.50      raeburn  1381: <h3>$lt{'gen'}</h3>
1.1       albertel 1382: <p>
                   1383: Subject: <input type="text" size="50" name="subject" />
                   1384: </p>
1.50      raeburn  1385: <p>$lt{'gmt'}:<br />
1.1       albertel 1386: <textarea name="message" id="message" cols="60" rows="10" wrap="hard">$dismsg
                   1387: </textarea></p>
                   1388: <p>
1.50      raeburn  1389: $lt{'tff'}:
                   1390: ENDBLOCK
                   1391:        $r->print('
                   1392: <pre>'."\n".
                   1393: &mt('username1:domain1: text')."\n".
                   1394: &mt('username2:domain2: text')."\n".
                   1395: &mt('username3:domain1: text')."\n".
                   1396: '</pre>
1.1       albertel 1397: </p>
                   1398: <p>
1.50      raeburn  1399: '.&mt('The messages will be assembled from all lines with the respective'."\n".'<tt>username:domain</tt>, and appended to the general message text.'));
                   1400:         $r->print(<<ENDUPLOAD);
                   1401: </p>
1.1       albertel 1402: <p>
                   1403: <input type="file" name="upfile" size="40" /></p><p>
                   1404: $dispcrit
1.50      raeburn  1405: <input type="submit" value="$lt{'uas'}" /></p>
1.1       albertel 1406: ENDUPLOAD
                   1407:     }
                   1408:     if ($broadcast eq 'group') {
1.38      raeburn  1409:        if ($group eq '') {
                   1410:            my $studentsel = &discourse();
                   1411:            $r->print($studentsel);
                   1412:        }
1.1       albertel 1413:     }
1.36      albertel 1414:     if ($env{'form.displayedcrit'}) {
                   1415: 	$r->print('<input type="hidden" name="displayedcrit" value="true" />');
                   1416:     }
1.1       albertel 1417:     $r->print('</form>'.
                   1418: 	      &Apache::lonfeedback::generate_preview_button('compemail','message').
                   1419: 	      &Apache::lonhtmlcommon::htmlareaselectactive('message'));
                   1420: }
                   1421: 
                   1422: # ---------------------------------------------------- Display all face to face
                   1423: 
1.38      raeburn  1424: sub recipient_input_row {
                   1425:     my ($dom,%lt) = @_;
                   1426:     my $domform = &Apache::loncommon::select_dom_form($dom,'recdomain');
                   1427:     my $selectlink=
                   1428:       &Apache::loncommon::selectstudent_link('compemail','recuname',
                   1429:                                              'recdomain');
                   1430:     my $output = <<"ENDREC";
                   1431: <tr><td>$lt{'us'}:</td><td><input type="text" size="12" name="recuname" value="$env{'form.recname'}" /></td><td rowspan="2">$selectlink</td></tr>
                   1432: <tr><td>$lt{'do'}:</td>
                   1433: <td>$domform</td></tr>
                   1434: ENDREC
                   1435:     return $output;
                   1436: }
                   1437: 
1.53      raeburn  1438: sub additional_rec_row {
                   1439:     my ($lt) = @_;
                   1440:     my $output = <<"ENDADD";
                   1441: <tr><td>$lt->{'ad'}:<br /><tt>username:domain,username:domain, ...
                   1442: </tt></td><td>
                   1443: <input type="text" size="50" name="additionalrec" /></td></tr>
                   1444: ENDADD
                   1445:     return $output;
                   1446: }
                   1447: 
                   1448: sub submit_button_row {
                   1449:     my ($folder,$dismode,$sendtext,$lt) = @_;
                   1450:     my $output = qq| 
                   1451: <input type="hidden" name="folder" value="$folder" />
                   1452: <input type="hidden" name="dismode" value="$dismode" />
                   1453: <input type="submit" name="send" value="$sendtext" />
                   1454: <input type="submit" name="cancel" value="$lt->{'ca'}" /><hr />
                   1455: |;
                   1456:     return $output;
                   1457: }
                   1458: 
                   1459: sub msg_subject_row {
                   1460:     my ($dissub,$lt,$subj_size,$extra) = @_;
                   1461:     my $output = '<tr><td>'.$lt->{'sb'}.':</td><td><input type="text" size="'.
                   1462:                  $subj_size.'" name="subject" value="'.$dissub.'" />'.$extra.
                   1463:                  '</td></tr>';
                   1464:     return $output;
                   1465: }
                   1466: 
1.1       albertel 1467: sub retrieve_instructor_comments {
                   1468:     my ($user,$domain)=@_;
                   1469:     my $target=$env{'form.grade_target'};
                   1470:     if (! $env{'request.course.id'}) { return; }
1.49      albertel 1471:     if (! &Apache::lonnet::allowed('dff',$env{'request.course.id'})
                   1472: 	&& ! &Apache::lonnet::allowed('dff',$env{'request.course.id'}.
1.1       albertel 1473: 				      '/'.$env{'request.course.sec'})) {
                   1474: 	return;
                   1475:     }
                   1476:     my %records=&Apache::lonnet::dump('nohist_email',
                   1477: 			 $env{'course.'.$env{'request.course.id'}.'.domain'},
                   1478: 			 $env{'course.'.$env{'request.course.id'}.'.num'},
                   1479:                          '%255b'.$user.'%253a'.$domain.'%255d');
                   1480:     my $result='';
1.42      raeburn  1481:     foreach my $key (sort(keys(%records))) {
                   1482:         my %content=&Apache::lonmsg::unpackagemsg($records{$key});
1.1       albertel 1483:         next if ($content{'senderdomain'} eq '');
                   1484:         next if ($content{'subject'} !~ /^Record/);
                   1485: 	# &Apache::lonfeedback::newline_to_br(\$content{'message'});
                   1486: 	$result.='Recorded by '.
1.14      albertel 1487:             $content{'sendername'}.':'.$content{'senderdomain'}."\n";
1.1       albertel 1488:         $result.=
                   1489:             &Apache::lontexconvert::msgtexconverted($content{'message'})."\n";
                   1490:      }
                   1491:     return $result;
                   1492: }
                   1493: 
                   1494: sub disfacetoface {
                   1495:     my ($r,$user,$domain)=@_;
                   1496:     my $target=$env{'form.grade_target'};
                   1497:     unless ($env{'request.course.id'}) { return; }
1.49      albertel 1498:     if  (!&Apache::lonnet::allowed('dff',$env{'request.course.id'})
                   1499: 	 && ! &Apache::lonnet::allowed('dff',$env{'request.course.id'}.
1.1       albertel 1500: 				       '/'.$env{'request.course.sec'})) {
1.50      raeburn  1501: 	$r->print(&mt('Not allowed'));
1.1       albertel 1502: 	return;
                   1503:     }
                   1504:     my %records=&Apache::lonnet::dump('nohist_email',
                   1505: 			 $env{'course.'.$env{'request.course.id'}.'.domain'},
                   1506: 			 $env{'course.'.$env{'request.course.id'}.'.num'},
                   1507:                          '%255b'.$user.'%253a'.$domain.'%255d');
                   1508:     my $result='';
1.42      raeburn  1509:     foreach my $key (sort(keys(%records))) {
                   1510:         my %content=&Apache::lonmsg::unpackagemsg($records{$key});
1.1       albertel 1511:         next if ($content{'senderdomain'} eq '');
                   1512: 	&Apache::lonfeedback::newline_to_br(\$content{'message'});
                   1513:         if ($content{'subject'}=~/^Record/) {
                   1514: 	    $result.='<h3>'.&mt('Record').'</h3>';
                   1515:         } elsif ($content{'subject'}=~/^Broadcast/) {
                   1516:             $result .='<h3>'.&mt('Broadcast Message').'</h3>';
                   1517:             if ($content{'subject'}=~/^Broadcast\./) {
                   1518:                 if (defined($content{'coursemsgid'})) {
1.29      www      1519:                     my $crsmsgid = &escape($content{'coursemsgid'});
1.1       albertel 1520:                     my $broadcast_message = &general_message($crsmsgid);
                   1521:                     $content{'message'} = '<b>'.&mt('Subject').': '.$content{'message'}.'</b><br />'.$broadcast_message;
                   1522:                 } else {
                   1523:                     %content=&Apache::lonmsg::unpackagemsg($content{'message'});
                   1524:                     $content{'message'} =
                   1525:                     '<b>'.&mt('Subject').': '.$content{'subject'}.'</b><br />'.
                   1526:                     $content{'message'};
                   1527:                 }
1.70      raeburn  1528:             }
                   1529:         } elsif ($content{'subject'}=~/^Archive/) {
                   1530:             $result.='<h3>'.&mt('Archived Message').'</h3>';
                   1531:             if (defined($content{'coursemsgid'})) {
                   1532:                 my $crsmsgid = &escape($content{'coursemsgid'});
                   1533:                 my $archive_message = &general_message($crsmsgid);
                   1534:                 $content{'message'} = '<b>'.&mt('Subject').': '.$content{'message'}.'</b><br />'.$archive_message;
                   1535:             } else {
                   1536:                 %content=&Apache::lonmsg::unpackagemsg($content{'message'});
                   1537:                 $content{'message'} =
                   1538:                 '<b>'.&mt('Subject').': '.$content{'subject'}.'</b><br
                   1539: '.
                   1540:                 $content{'message'};
                   1541:             }
1.1       albertel 1542:         } else {
                   1543:             $result.='<h3>'.&mt('Critical Message').'</h3>';
                   1544:             if (defined($content{'coursemsgid'})) {
1.29      www      1545:                 my $crsmsgid=&escape($content{'coursemsgid'});
1.1       albertel 1546:                 my $critical_message = &general_message($crsmsgid);
                   1547:                 $content{'message'} = '<b>'.&mt('Subject').': '.$content{'message'}.'</b><br />'.$critical_message;
                   1548:             } else {
                   1549:                 %content=&Apache::lonmsg::unpackagemsg($content{'message'});
                   1550:                 $content{'message'}=
                   1551:                 '<b>'.&mt('Subject').': '.$content{'subject'}.'</b><br />'.
                   1552: 		$content{'message'};
                   1553:             }
                   1554:         }
                   1555:         $result.=&mt('By').': <b>'.
                   1556: &Apache::loncommon::aboutmewrapper(
                   1557:  &Apache::loncommon::plainname($content{'sendername'},$content{'senderdomain'}),$content{'sendername'},$content{'senderdomain'}).'</b> ('.
1.14      albertel 1558: $content{'sendername'}.':'.
1.1       albertel 1559:             $content{'senderdomain'}.') '.$content{'time'}.
                   1560:             '<br /><pre>'.
                   1561:               &Apache::lontexconvert::msgtexconverted($content{'message'}).
                   1562: 	      '</pre>';
                   1563:      }
                   1564:     # Check to see if there were any messages.
                   1565:     if ($result eq '') {
1.33      albertel 1566:         my $lctype = lc(&Apache::loncommon::course_type());
1.1       albertel 1567: 	if ($target ne 'tex') { 
1.30      raeburn  1568: 	    $r->print("<p><b>".&mt('No notes, face-to-face discussion records, critical messages, or broadcast messages in this [_1].',$lctype)."</b></p>");
1.1       albertel 1569: 	} else {
1.30      raeburn  1570: 	    $r->print('\textbf{'.&mt('No notes, face-to-face discussion records, critical messages or broadcast messages in this [_1].',$lctype).'}\\\\');
1.1       albertel 1571: 	}
                   1572:     } else {
                   1573:        $r->print($result);
                   1574:     }
                   1575: }
                   1576: 
                   1577: sub general_message {
                   1578:     my ($crsmsgid) = @_;
                   1579:     my %general_content;
                   1580:     if ($crsmsgid) { 
                   1581:         my %course_content = &Apache::lonnet::get('nohist_email',[$crsmsgid],
                   1582:                            $env{'course.'.$env{'request.course.id'}.'.domain'},
                   1583:                            $env{'course.'.$env{'request.course.id'}.'.num'});
                   1584:         %general_content = &Apache::lonmsg::unpackagemsg($course_content{$crsmsgid});
                   1585:     }
                   1586:     return $general_content{'message'};
                   1587: }
                   1588: 
                   1589: # ---------------------------------------------------------------- Face to face
                   1590: 
                   1591: sub facetoface {
                   1592:     my ($r,$stage)=@_;
1.49      albertel 1593:     if (!&Apache::lonnet::allowed('dff',$env{'request.course.id'})
                   1594: 	&& ! &Apache::lonnet::allowed('dff',$env{'request.course.id'}.
1.1       albertel 1595: 				      '/'.$env{'request.course.sec'})) {
1.50      raeburn  1596: 	$r->print(&mt('Not allowed'));
1.1       albertel 1597: 	return;
                   1598:     }
1.33      albertel 1599:     my $crstype = &Apache::loncommon::course_type();
                   1600:     my $leaders = ($crstype eq 'Group') ? 'coordinators and leaders'
                   1601:                                         : 'faculty and staff';
1.1       albertel 1602:     &printheader($r,
                   1603: 		 '/adm/email?recordftf=query',
1.70      raeburn  1604: 		 "User Notes, Face-to-Face, Critical Messages, Broadcast Messages, Archived Messages");
1.1       albertel 1605: # from query string
                   1606: 
                   1607:     if ($env{'form.recname'}) { $env{'form.recuname'}=$env{'form.recname'}; }
                   1608:     if ($env{'form.recdom'}) { $env{'form.recdomain'}=$env{'form.recdom'}; }
                   1609: 
                   1610:     my $defdom=$env{'user.domain'};
                   1611: # already filled in
                   1612:     if ($env{'form.recdomain'}) { $defdom=$env{'form.recdomain'}; }
                   1613: # generate output
                   1614:     my $domform = &Apache::loncommon::select_dom_form($defdom,'recdomain');
                   1615:     my $stdbrws = &Apache::loncommon::selectstudent_link
                   1616: 	('stdselect','recuname','recdomain');
                   1617:     my %lt=&Apache::lonlocal::texthash('user' => 'Username',
                   1618: 				       'dom' => 'Domain',
1.70      raeburn  1619: 				       'head' => "User Notes, Records of Face-To-Face Discussions, Critical Messages, Broadcast Messages and Archived Messages in $crstype",
1.1       albertel 1620: 				       'subm' => 'Retrieve discussion and message records',
1.30      raeburn  1621: 				       'newr' => 'New Record (record is visible to '.lc($crstype).' '.$leaders.')',
1.1       albertel 1622: 				       'post' => 'Post this Record');
                   1623:     $r->print(<<"ENDTREC");
                   1624: <h3>$lt{'head'}</h3>
                   1625: <form method="post" action="/adm/email" name="stdselect">
                   1626: <input type="hidden" name="recordftf" value="retrieve" />
                   1627: <table>
                   1628: <tr><td>$lt{'user'}:</td><td><input type="text" size="12" name="recuname" value="$env{'form.recuname'}" /></td>
                   1629: <td rowspan="2">
                   1630: $stdbrws
                   1631: <input type="submit" value="$lt{'subm'}" /></td>
                   1632: </tr>
                   1633: <tr><td>$lt{'dom'}:</td>
                   1634: <td>$domform</td></tr>
                   1635: </table>
                   1636: </form>
                   1637: ENDTREC
                   1638:     if (($stage ne 'query') &&
                   1639:         ($env{'form.recdomain'}) && ($env{'form.recuname'})) {
                   1640:         chomp($env{'form.newrecord'});
                   1641:         if ($env{'form.newrecord'}) {
1.31      albertel 1642: 	    &Apache::lonmsg::store_instructor_comment($env{'form.newrecord'},
                   1643: 						      $env{'form.recuname'},
                   1644: 						      $env{'form.recdomain'});
1.1       albertel 1645:         }
                   1646:         $r->print('<h3>'.&Apache::loncommon::plainname($env{'form.recuname'},
                   1647: 				     $env{'form.recdomain'}).'</h3>');
                   1648:         &disfacetoface($r,$env{'form.recuname'},$env{'form.recdomain'});
                   1649: 	$r->print(<<ENDRHEAD);
                   1650: <form method="post" action="/adm/email">
                   1651: <input name="recdomain" value="$env{'form.recdomain'}" type="hidden" />
                   1652: <input name="recuname" value="$env{'form.recuname'}" type="hidden" />
                   1653: ENDRHEAD
                   1654:         $r->print(<<ENDBFORM);
                   1655: <hr />$lt{'newr'}<br />
                   1656: <textarea name="newrecord" cols="80" rows="10" wrap="hard"></textarea>
                   1657: <br />
                   1658: <input type="hidden" name="recordftf" value="post" />
                   1659: <input type="submit" value="$lt{'post'}" />
                   1660: </form>
                   1661: ENDBFORM
                   1662:     }
                   1663: }
                   1664: 
                   1665: # ----------------------------------------------------------- Blocking during exams
                   1666: 
                   1667: sub examblock {
                   1668:     my ($r,$action) = @_;
                   1669:     unless ($env{'request.course.id'}) { return;}
1.44      raeburn  1670:     if (!&Apache::lonnet::allowed('dcm',$env{'request.course.id'})
                   1671: 	&& ! &Apache::lonnet::allowed('dcm',$env{'request.course.id'}.
1.1       albertel 1672: 				      '/'.$env{'request.course.sec'})) {
                   1673: 	$r->print('Not allowed');
                   1674: 	return;
                   1675:     }
1.34      albertel 1676:     my $usertype = (&Apache::loncommon::course_type() eq 'Group') ? 'members'
1.33      albertel 1677: 	                                                          : 'students';
1.1       albertel 1678:     my %lt=&Apache::lonlocal::texthash(
                   1679:             'comb' => 'Communication Blocking',
                   1680:             'cbds' => 'Communication blocking during scheduled exams',
1.30      raeburn  1681:             'desc' => "You can use communication blocking to prevent $usertype enrolled in this course from displaying LON-CAPA messages sent by other $usertype during an online exam. As blocking of communication could potentially interrupt legitimate communication between $usertype 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.",
1.1       albertel 1682:              'mecb' => 'Modify existing communication blocking periods',
1.50      raeburn  1683:              'ncbc' => 'No communication blocks currently stored',
                   1684:              'stor' => 'Store',
1.1       albertel 1685:     );
                   1686: 
                   1687:     my %ltext = &Apache::lonlocal::texthash(
                   1688:             'dura' => 'Duration',
                   1689:             'setb' => 'Set by',
                   1690:             'even' => 'Event',
1.44      raeburn  1691:             'blck' => 'Blocked?',
1.1       albertel 1692:             'actn' => 'Action',
                   1693:             'star' => 'Start',
                   1694:             'endd' => 'End'
                   1695:     );
                   1696: 
                   1697:     &printheader($r,'/adm/email?block=display',$lt{'comb'});
                   1698:     $r->print('<h3>'.$lt{'cbds'}.'</h3>');
                   1699: 
                   1700:     if ($action eq 'store') {
                   1701:         &blockstore($r);
                   1702:     }
                   1703: 
                   1704:     $r->print($lt{'desc'}.'<br /><br />
                   1705:                <form name="blockform" method="post" action="/adm/email?block=store">
                   1706:              ');
                   1707: 
                   1708:     $r->print('<h4>'.$lt{'mecb'}.'</h4>');
                   1709:     my %records = ();
                   1710:     my $blockcount = 0;
                   1711:     my $parmcount = 0;
                   1712:     &get_blockdates(\%records,\$blockcount);
                   1713:     if ($blockcount > 0) {
                   1714:         $parmcount = &display_blocker_status($r,\%records,\%ltext);
                   1715:     } else {
                   1716:         $r->print($lt{'ncbc'}.'<br /><br />');
                   1717:     }
                   1718:     &display_addblocker_table($r,$parmcount,\%ltext);
                   1719:     my $end_page=&Apache::loncommon::end_page();
                   1720:     $r->print(<<"END");
                   1721: <br />
                   1722: <input type="hidden" name="blocktotal" value="$blockcount" />
1.50      raeburn  1723: <input type ="submit" value="$lt{'stor'}" />
1.1       albertel 1724: </form>
                   1725: $end_page
                   1726: END
                   1727:     return;
                   1728: }
                   1729: 
                   1730: sub blockstore {
                   1731:     my $r = shift;
                   1732:     my %lt=&Apache::lonlocal::texthash(
                   1733:             'tfcm' => 'The following changes were made',
                   1734:             'ncwm' => 'No changes were made.' 
                   1735:     );
                   1736:     my %adds = ();
                   1737:     my %removals = ();
                   1738:     my %cancels = ();
                   1739:     my $modtotal = 0;
                   1740:     my $canceltotal = 0;
                   1741:     my $addtotal = 0;
                   1742:     my %blocking = ();
                   1743:     $r->print('<h3>'.$lt{'head'}.'</h3>');
1.42      raeburn  1744:     foreach my $envkey (keys(%env)) {
1.44      raeburn  1745:         if ($envkey =~ m/^form\.modify_(\d+)$/) {
1.1       albertel 1746:             $adds{$1} = $1;
                   1747:             $removals{$1} = $1;
                   1748:             $modtotal ++;
1.42      raeburn  1749:         } elsif ($envkey =~ m/^form\.cancel_(\d+)$/) {
1.1       albertel 1750:             $cancels{$1} = $1;
                   1751:             unless ( defined($removals{$1}) ) {
                   1752:                 $removals{$1} = $1;
                   1753:                 $canceltotal ++;
                   1754:             }
1.42      raeburn  1755:         } elsif ($envkey =~ m/^form\.add_(\d+)$/) {
1.1       albertel 1756:             $adds{$1} = $1;
                   1757:             $addtotal ++;
1.44      raeburn  1758:         } 
1.1       albertel 1759:     }
                   1760: 
1.42      raeburn  1761:     foreach my $key (keys(%removals)) {
                   1762:         my $hashkey = $env{'form.key_'.$key};
1.1       albertel 1763:         &Apache::lonnet::del('comm_block',["$hashkey"],
                   1764:                          $env{'course.'.$env{'request.course.id'}.'.domain'},
                   1765:                          $env{'course.'.$env{'request.course.id'}.'.num'}
                   1766:                          );
                   1767:     }
1.42      raeburn  1768:     foreach my $key (keys(%adds)) {
                   1769:         unless ( defined($cancels{$key}) ) {
                   1770:             my ($newstart,$newend) = &get_dates_from_form($key);
1.1       albertel 1771:             my $newkey = $newstart.'____'.$newend;
1.44      raeburn  1772:             my $blocktypes = &get_block_choices($key);
                   1773:             $blocking{$newkey} = {
                   1774:                           setter => $env{'user.name'}.':'.$env{'user.domain'},
                   1775:                           event  => &escape($env{'form.title_'.$key}),
                   1776:                           blocks => $blocktypes,
                   1777:                         };
1.1       albertel 1778:         }
                   1779:     }
                   1780:     if ($addtotal + $modtotal > 0) {
                   1781:         &Apache::lonnet::put('comm_block',\%blocking,
                   1782:                      $env{'course.'.$env{'request.course.id'}.'.domain'},
                   1783:                      $env{'course.'.$env{'request.course.id'}.'.num'}
                   1784:                      );
                   1785:     }
                   1786:     my $chgestotal = $canceltotal + $modtotal + $addtotal;
                   1787:     if ($chgestotal > 0) {
                   1788:         $r->print($lt{'tfcm'}.'<ul>');
                   1789:         if ($canceltotal > 0) {
1.50      raeburn  1790:             $r->print('<li>'.&mt('[quant,_1,communication blocking period was,communication blocking periods were] removed.',$canceltotal).'</li>');
1.1       albertel 1791:         }
                   1792:         if ($modtotal > 0) {
1.50      raeburn  1793:             $r->print('<li>'.&mt('[quant,_1,communication blocking period was,communication blocking periods were] modified.',$modtotal).'</li>');
1.1       albertel 1794:         }
                   1795:         if ($addtotal > 0) {
1.50      raeburn  1796:             $r->print('<li>'.&mt('[quant,_1,communication blocking period was,communication blocking periods were] added.',$addtotal).'</li>');
1.1       albertel 1797:         }
                   1798:         $r->print('</ul>');
                   1799:     } else {
                   1800:         $r->print($lt{'ncwm'});
                   1801:     }
                   1802:     $r->print('<br />');
                   1803:     return;
                   1804: }
                   1805: 
                   1806: sub get_dates_from_form {
                   1807:     my $item = shift;
                   1808:     my $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate_'.$item);
                   1809:     my $enddate   = &Apache::lonhtmlcommon::get_date_from_form('enddate_'.$item);
                   1810:     return ($startdate,$enddate);
                   1811: }
                   1812: 
                   1813: sub get_blockdates {
                   1814:     my ($records,$blockcount) = @_;
                   1815:     $$blockcount = 0;
                   1816:     %{$records} = &Apache::lonnet::dump('comm_block',
                   1817:                          $env{'course.'.$env{'request.course.id'}.'.domain'},
                   1818:                          $env{'course.'.$env{'request.course.id'}.'.num'}
                   1819:                          );
1.15      albertel 1820:     $$blockcount = keys(%{$records});
                   1821: 
                   1822:     if ((keys(%{$records}))[0] =~ /^error: 2 /) {
                   1823: 	$records = {};
                   1824: 	$$blockcount = 0;
1.1       albertel 1825:     }
                   1826: }
                   1827: 
1.44      raeburn  1828: sub get_block_choices {
                   1829:     my $item = shift;
                   1830:     my $blocklist;
                   1831:     my ($typeorder,$types) = &blocktype_text();
                   1832:     foreach my $type (@{$typeorder}) {
                   1833:         if ($env{'form.'.$type.'_'.$item}) {
                   1834:             $blocklist->{$type} = 'on'; 
                   1835:         } else {
                   1836:             $blocklist->{$type} = 'off';
                   1837:         }
                   1838:     }
                   1839:     return $blocklist;
                   1840: }
                   1841: 
1.1       albertel 1842: sub display_blocker_status {
                   1843:     my ($r,$records,$ltext) = @_;
                   1844:     my $parmcount = 0;
1.16      albertel 1845:   
1.1       albertel 1846:     my %lt = &Apache::lonlocal::texthash(
                   1847:         'modi' => 'Modify',
                   1848:         'canc' => 'Cancel',
                   1849:     );
1.44      raeburn  1850:     my ($typeorder,$types) = &blocktype_text();
1.18      albertel 1851:     $r->print(&Apache::loncommon::start_data_table());
1.1       albertel 1852:     $r->print(<<"END");
1.16      albertel 1853:   <tr>
1.44      raeburn  1854:     <th>$ltext->{'dura'}</th>
                   1855:     <th>$ltext->{'setb'}</th>
                   1856:     <th>$ltext->{'even'}</th>
                   1857:     <th>$ltext->{'blck'}</th>
                   1858:     <th>$ltext->{'actn'}?</th>
1.16      albertel 1859:   </tr>
1.1       albertel 1860: END
1.18      albertel 1861:     foreach my $record (sort(keys(%{$records}))) {
1.1       albertel 1862:         my $onchange = 'onFocus="javascript:window.document.forms['.
                   1863:                        "'blockform'].elements['modify_".$parmcount."'].".
                   1864:                        'checked=true;"';
1.18      albertel 1865:         my ($start,$end) = split(/____/,$record);
1.1       albertel 1866:         my $startform = &Apache::lonhtmlcommon::date_setter('blockform','startdate_'.$parmcount,$start,$onchange);
                   1867:         my $endform = &Apache::lonhtmlcommon::date_setter('blockform','enddate_'.$parmcount,$end,$onchange);
1.15      albertel 1868: 	
1.44      raeburn  1869: 	my ($setuname,$setudom,$title,$blocks) = 
                   1870: 	    &Apache::loncommon::parse_block_record($$records{$record});
1.21      albertel 1871: 	$title = &HTML::Entities::encode($title,'"<>&');
1.44      raeburn  1872:         my $settername = 
                   1873:            &Apache::loncommon::aboutmewrapper(
                   1874:                            &Apache::loncommon::plainname($setuname,$setudom),
                   1875:                            $setuname,$setudom);
1.18      albertel 1876:         $r->print(&Apache::loncommon::start_data_table_row());
1.1       albertel 1877:         $r->print(<<"END");
1.44      raeburn  1878:         <td>$ltext->{'star'}:&nbsp;$startform<br/>$ltext->{'endd'}:&nbsp;&nbsp;$endform</td>
1.1       albertel 1879:         <td>$settername</td>
1.18      albertel 1880:         <td><input type="text" name="title_$parmcount" size="15" value="$title" /><input type="hidden" name="key_$parmcount" value="$record" /></td>
1.44      raeburn  1881:         <td>
                   1882: END
                   1883:         foreach my $block (@{$typeorder}) {
                   1884:             my $blockstatus = '';
                   1885:             if ($blocks->{$block} eq 'on') {
                   1886:                 $blockstatus = 'checked="true"';
                   1887:             }
                   1888:             $r->print('<label><input type="checkbox" name="'.$block.'_'.$parmcount.'" '.$blockstatus.' value="1" />'.$types->{$block}.'</label><br />');
                   1889:         }
                   1890:         $r->print(<<"END");
                   1891:         </td>      
1.1       albertel 1892:         <td><label>$lt{'modi'}?&nbsp;<input type="checkbox" name="modify_$parmcount" /></label><br /><label>$lt{'canc'}?&nbsp;&nbsp;<input type="checkbox" name="cancel_$parmcount" /></label>
                   1893: END
1.18      albertel 1894:         $r->print(&Apache::loncommon::end_data_table_row());
                   1895:         $parmcount++;
1.1       albertel 1896:     }
                   1897:     $r->print(<<"END");
                   1898: </table>
                   1899: <br />
                   1900: <br />
                   1901: END
                   1902:     return $parmcount;
                   1903: }
                   1904: 
                   1905: sub display_addblocker_table {
                   1906:     my ($r,$parmcount,$ltext) = @_;
                   1907:     my $start = time;
                   1908:     my $end = $start + (60 * 60 * 2); #Default is an exam of 2 hours duration.
                   1909:     my $onchange = 'onFocus="javascript:window.document.forms['.
                   1910:                    "'blockform'].elements['add_".$parmcount."'].".
                   1911:                    'checked=true;"';
                   1912:     my $startform = &Apache::lonhtmlcommon::date_setter('blockform','startdate_'.$parmcount,$start,$onchange);
                   1913:     my $endform = &Apache::lonhtmlcommon::date_setter('blockform','enddate_'.$parmcount,$end,$onchange);
                   1914:     my %lt = &Apache::lonlocal::texthash(
                   1915:         'addb' => 'Add block',
                   1916:         'exam' => 'e.g., Exam 1',
                   1917:         'addn' => 'Add new communication blocking periods'
                   1918:     );
1.44      raeburn  1919:     my ($typeorder,$types) = &blocktype_text();
1.1       albertel 1920:     $r->print(<<"END");
                   1921: <h4>$lt{'addn'}</h4> 
1.18      albertel 1922: END
                   1923:     $r->print(&Apache::loncommon::start_data_table());
                   1924:     $r->print(<<"END");
1.16      albertel 1925:    <tr>
1.44      raeburn  1926:      <th>$ltext->{'dura'}</th>
                   1927:      <th>$ltext->{'even'} $lt{'exam'}</th>
                   1928:      <th>$ltext->{'blck'}</th>
                   1929:      <th>$ltext->{'actn'}?</th>
1.16      albertel 1930:    </tr>
1.18      albertel 1931: END
1.44      raeburn  1932:     $r->print(&Apache::loncommon::start_data_table_row());
1.18      albertel 1933:     $r->print(<<"END");
1.44      raeburn  1934:      <td>$ltext->{'star'}:&nbsp;$startform<br />$ltext->{'endd'}:&nbsp;&nbsp;$endform</td>
1.16      albertel 1935:      <td><input type="text" name="title_$parmcount" size="15" value="" /></td>
1.44      raeburn  1936:      <td>
                   1937: END
                   1938:     foreach my $block (@{$typeorder}) {
                   1939:         $r->print('<label><input type="checkbox" name="'.$block.'_'.$parmcount.'" value="1" />'.$types->{$block}.'</label><br />');
                   1940:      }
                   1941:      $r->print(<<"END");
                   1942:      </td> 
1.16      albertel 1943:      <td><label>$lt{'addb'}?&nbsp;<input type="checkbox" name="add_$parmcount" value="1" /></label></td>
1.1       albertel 1944: END
1.18      albertel 1945:     $r->print(&Apache::loncommon::end_data_table_row());
                   1946:     $r->print(&Apache::loncommon::end_data_table());
1.1       albertel 1947:     return;
                   1948: }
                   1949: 
1.44      raeburn  1950: sub blocktype_text {
                   1951:     my %types = &Apache::lonlocal::texthash(
                   1952:         'com' => 'Messaging',
                   1953:         'chat' => 'Chat',
                   1954:         'boards' => 'Discussion',
                   1955:         'port' => 'Portfolio',
1.45      raeburn  1956:         'groups' => 'Groups',
                   1957:         'blogs' => 'Blogs',
1.18      albertel 1958:     );
1.45      raeburn  1959:     my $typeorder = ['com','chat','boards','port','groups','blogs'];
1.44      raeburn  1960:     return ($typeorder,\%types);
1.1       albertel 1961: }
                   1962: 
                   1963: # ----------------------------------------------------------- Display a message
                   1964: 
                   1965: sub displaymessage {
1.53      raeburn  1966:     my ($r,$msgid,$folder,$msgstatus)=@_;
1.1       albertel 1967:     my $suffix=&Apache::lonmsg::foldersuffix($folder);
                   1968:     my %blocked = ();
                   1969:     my %setters = ();
                   1970:     my $numblocked = 0;
1.33      albertel 1971:     my $crstype = &Apache::loncommon::course_type();
1.30      raeburn  1972: 
1.1       albertel 1973: # info to generate "next" and "previous" buttons and check if message is blocked
1.44      raeburn  1974:     my ($startblock,$endblock) = &Apache::loncommon::blockcheck(\%setters,'com');
1.53      raeburn  1975:     my @messages=&sortedmessages(\%blocked,$startblock,$endblock,\$numblocked,$folder,$msgstatus);
1.1       albertel 1976:     if ( $blocked{$msgid} eq 'ON' ) {
                   1977:         &printheader($r,'/adm/email',&mt('Display a Message'));
                   1978:         $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.'));
                   1979:         &build_block_table($r,$startblock,$endblock,\%setters);
                   1980:         return;
                   1981:     }
1.59      raeburn  1982:     if ($msgstatus eq '') {
                   1983:         &statuschange($msgid,'read',$folder);
                   1984:     }
1.1       albertel 1985:     my %message=&Apache::lonnet::get('nohist_email'.$suffix,[$msgid]);
                   1986:     my %content=&Apache::lonmsg::unpackagemsg($message{$msgid});
                   1987: 
                   1988:     my $counter=0;
                   1989:     $r->print('<pre>');
1.29      www      1990:     my $escmsgid=&escape($msgid);
1.1       albertel 1991:     foreach (@messages) {
                   1992: 	if ($_->[5] eq $escmsgid){
                   1993: 	    last;
                   1994: 	}
                   1995: 	$counter++;
                   1996:     }
                   1997:     $r->print('</pre>');
                   1998:     my $number_of_messages = scalar(@messages); #subtract 1 for last index
                   1999: # start output
1.29      www      2000:     &printheader($r,'/adm/email?display='.&escape($msgid),'Display a Message','',$content{'baseurl'});
1.1       albertel 2001:     my %courseinfo=&Apache::lonnet::coursedescription($content{'courseid'});
                   2002: # Functions
                   2003:     $r->print('<table border="2" width="100%"><tr bgcolor="#FFFFAA"><td>'.&mt('Functions').':</td>'.
1.29      www      2004: 	      '<td><a href="/adm/email?replyto='.&escape($msgid).$sqs.
1.1       albertel 2005: 	      '"><b>'.&mt('Reply').'</b></a></td>'.
1.29      www      2006: 	      '<td><a href="/adm/email?forward='.&escape($msgid).$sqs.
1.1       albertel 2007: 	      '"><b>'.&mt('Forward').'</b></a></td>'.
1.29      www      2008: 	      '<td><a href="/adm/email?markunread='.&escape($msgid).$sqs.
1.1       albertel 2009: 	      '"><b>'.&mt('Mark Unread').'</b></a></td>'.
1.29      www      2010: 	      '<td><a href="/adm/email?markdel='.&escape($msgid).$sqs.
1.1       albertel 2011: 	      '"><b>'.&mt('Delete').'</b></a></td>'.
                   2012: 	      '<td><a href="/adm/email?'.$sqs.
                   2013: 	      '"><b>'.&mt('Back to Folder Display').'</b></a></td>');
                   2014:     if ($counter > 0){
                   2015: 	$r->print('<td><a href="/adm/email?display='.$messages[$counter-1]->[5].$sqs.
                   2016: 		  '"><b>'.&mt('Previous').'</b></a></td>');
                   2017:     }
                   2018:     if ($counter < $number_of_messages - 1){
                   2019: 	$r->print('<td><a href="/adm/email?display='.$messages[$counter+1]->[5].$sqs.
                   2020: 		  '"><b>'.&mt('Next').'</b></a></td>');
                   2021:     }
                   2022:     $r->print('</tr></table>');
1.59      raeburn  2023:     my $symb;
                   2024:     if (defined($content{'symb'})) {
                   2025:         $symb = $content{'symb'};
                   2026:     } elsif (defined($content{'baseurl'})) {
                   2027:         $symb=&Apache::lonnet::symbread($content{'baseurl'});
                   2028:     }
1.1       albertel 2029:     if ($env{'user.adv'}) {
                   2030: 	$r->print('<table border="2" width="100%"><tr bgcolor="#FFAAAA"><td>'.&mt('Currently available actions (will open extra window)').':</td>');
                   2031: 	if (&Apache::lonnet::allowed('vgr',$env{'request.course.id'})) {
                   2032: 		$r->print('<td><b>'.&Apache::loncommon::track_student_link(&mt('View recent activity'),$content{'sendername'},$content{'senderdomain'},'check').'</b></td>');
                   2033: 	    }
                   2034: 	if (&Apache::lonnet::allowed('opa',$env{'request.course.id'}) && $symb) {
                   2035: 	    $r->print('<td><b>'.&Apache::loncommon::pprmlink(&mt('Set/Change parameters'),$content{'sendername'},$content{'senderdomain'},$symb,'check').'</b></td>');
                   2036: 	}
                   2037: 	if (&Apache::lonnet::allowed('mgr',$env{'request.course.id'}) && $symb) {
                   2038: 	    $r->print('<td><b>'.&Apache::loncommon::pgrdlink(&mt('Set/Change grades'),$content{'sendername'},$content{'senderdomain'},$symb,'check').'</b></td>');
                   2039: 	}
                   2040: 	$r->print('</tr></table>');
                   2041:     }
                   2042:     my $tolist;
                   2043:     my @recipients = ();
                   2044:     for (my $i=0; $i<@{$content{'recuser'}}; $i++) {
                   2045:         $recipients[$i] =  &Apache::loncommon::aboutmewrapper(
                   2046:            &Apache::loncommon::plainname($content{'recuser'}[$i],
                   2047:                                       $content{'recdomain'}[$i]),
                   2048:               $content{'recuser'}[$i],$content{'recdomain'}[$i]).
                   2049:        ' ('.$content{'recuser'}[$i].' at '.$content{'recdomain'}[$i].') ';
                   2050:     }
                   2051:     $tolist = join(', ',@recipients);
1.59      raeburn  2052:     my ($restitle,$baseurl,$refers_to);
                   2053:     if (defined($content{'resource_title'})) {
                   2054:         $restitle = $content{'resource_title'};
                   2055:     } else {
                   2056:         if (defined($content{'baseurl'})) {
                   2057:             $restitle = &Apache::lonnet::gettitle($content{'baseurl'});
                   2058:         }
                   2059:     }
                   2060:     if (defined($content{'baseurl'})) {
                   2061:         $baseurl = &Apache::lonenc::check_encrypt($content{'baseurl'});
                   2062:     }
1.68      www      2063:     $r->print(&Apache::loncommon::student_image_tag($content{'senderdomain'},$content{'sendername'}));
1.1       albertel 2064:     $r->print('<br /><b>'.&mt('Subject').':</b> '.$content{'subject'}.
                   2065: 	      ($folder ne 'sent'?'<br /><b>'.&mt('From').':</b> '.
                   2066: 	      &Apache::loncommon::aboutmewrapper(
                   2067: 						 &Apache::loncommon::plainname($content{'sendername'},$content{'senderdomain'}),
                   2068: 						 $content{'sendername'},$content{'senderdomain'}).' ('.
                   2069: 	      $content{'sendername'}.' at '.
                   2070: 	      $content{'senderdomain'}.') ':'<br /><b>'.&mt('To').':</b> '.
                   2071:               $tolist).
1.30      raeburn  2072: 	      ($content{'courseid'}?'<br /><b>'.&mt($crstype).':</b> '.$courseinfo{'description'}.
                   2073: 	       ($content{'coursesec'}?' ('.&mt('Section').': '.$content{'coursesec'}.')':''):'').
1.59      raeburn  2074: 	      '<br /><b>'.&mt('Time').':</b> '.$content{'time'});
                   2075:     if ($baseurl) {
                   2076:         if (defined($content{'courseid'}) && defined($env{'request.course.id'})) {
                   2077:             if ($content{'courseid'} eq $env{'request.course.id'}) {
                   2078:                 my $symblink;
1.62      raeburn  2079:                 my $showsymb = &Apache::lonenc::check_decrypt($symb);
                   2080:                 my $showurl = &Apache::lonenc::check_decrypt($baseurl);
                   2081:                 my $encrypturl = &Apache::lonnet::EXT('resource.0.encrypturl',
                   2082:                               $showsymb,$env{'user.domain'},$env{'user.name'});
1.59      raeburn  2083:                 if ($symb) {
1.62      raeburn  2084:                     if ($encrypturl =~ /^yes$/i && !$env{'request.role.adv'}) {
                   2085:                         $showsymb = &Apache::lonenc::check_encrypt($symb);
                   2086:                     }
                   2087:                     $symblink = '?symb='.$showsymb;
                   2088:                 }
                   2089:                 if ($encrypturl =~ /^yes$/i && !$env{'request.role.adv'}) {
                   2090:                     $showurl = $baseurl;
1.59      raeburn  2091:                 }
1.62      raeburn  2092:                 $r->print('<br /><b>'.&mt('Refers to').':</b> <a href="'.$showurl.$symblink.'">'.$restitle.'</a>');
1.59      raeburn  2093:                 $refers_to = 1;
                   2094:             }
                   2095:         }
                   2096:         if (!$refers_to) {
                   2097:             if ($baseurl =~ m-^/enc/-) {
                   2098:                 if (defined($content{'courseid'})) {
1.62      raeburn  2099:                     if (!$env{'request.course.id'}) {
                   2100:                         my $unencurl =
                   2101:                            &Apache::lonenc::unencrypted($baseurl,
                   2102:                                                         $content{'courseid'});
                   2103:                         if ($unencurl ne '') {
                   2104:                             if (&Apache::lonnet::allowed('bre',$unencurl)) {
                   2105:                                 $r->print('<br /><b>'.&mt('Refers to').
                   2106:                                           ':</b> <a href="'.$unencurl.'">'.
                   2107:                                           $restitle.'</a>');
                   2108:                             }
1.59      raeburn  2109:                         }
                   2110:                     }
                   2111:                 }
                   2112:             } else {
                   2113:                 if (&Apache::lonnet::allowed('bre',$baseurl)) {
                   2114:                     $r->print('<br /><b>'.&mt('Refers to').
                   2115:                               ':</b> <a href="'.$baseurl.
                   2116:                               '">'.$restitle.'</a>');
                   2117:                 }
                   2118:             }
                   2119:         }
                   2120:     }
                   2121:     $r->print('<p><pre>'.
1.1       albertel 2122: 	      &Apache::lontexconvert::msgtexconverted($content{'message'},1).
                   2123: 	      '</pre><hr />'.&displayresource(%content).'</p>');
1.59      raeburn  2124:     return;
1.1       albertel 2125: }
                   2126: 
                   2127: # =========================================================== Show the citation
                   2128: 
                   2129: sub displayresource {
                   2130:     my %content=@_;
                   2131: #
                   2132: # If the recipient is in the same course that the message was sent from and
                   2133: # has sufficient privileges, show "all details," else show citation
                   2134: #
                   2135:     if (($env{'request.course.id'} eq $content{'courseid'})
                   2136:      && (&Apache::lonnet::allowed('vgr',$content{'courseid'}))) {
1.59      raeburn  2137:         my $symb;
                   2138:         if (defined($content{'symb'})) {
                   2139:             $symb = $content{'symb'};
                   2140:         } else { 
                   2141: 	    $symb=&Apache::lonnet::symbread($content{'baseurl'});
                   2142:         }
1.1       albertel 2143: # Could not get a symb, give up
                   2144: 	unless ($symb) { return $content{'citation'}; }
                   2145: # Have a symb, can render
                   2146: 	return '<h2>'.&mt('Current attempts of student (if applicable)').'</h2>'.
                   2147: 	    &Apache::loncommon::get_previous_attempt($symb,
                   2148: 						     $content{'sendername'},
                   2149: 						     $content{'senderdomain'},
                   2150: 						     $content{'courseid'}).
                   2151: 	    '<hr /><h2>'.&mt('Current screen output (if applicable)').'</h2>'.
                   2152: 	    &Apache::loncommon::get_student_view($symb,
                   2153: 						 $content{'sendername'},
                   2154: 						 $content{'senderdomain'},
                   2155: 						 $content{'courseid'}).
                   2156: 	    '<h2>'.&mt('Correct Answer(s) (if applicable)').'</h2>'.
                   2157: 	    &Apache::loncommon::get_student_answers($symb,
                   2158: 						    $content{'sendername'},
                   2159: 						    $content{'senderdomain'},
                   2160: 						    $content{'courseid'});
                   2161:     } elsif ($env{'user.adv'}) {
                   2162: 	return $content{'citation'};
                   2163:     }
                   2164:     return '';
                   2165: }
                   2166: 
                   2167: # ================================================================== The Header
                   2168: 
                   2169: sub header {
                   2170:     my ($r,$title,$baseurl)=@_;
                   2171:     
                   2172:     my $extra = &Apache::loncommon::studentbrowser_javascript();
                   2173:     if ($baseurl) {
1.41      albertel 2174: 	$extra .= "<base href=\"".&Apache::lonnet::absolute_url()."/$baseurl\" />";
1.1       albertel 2175:     }
                   2176:     $r->print(&Apache::loncommon::start_page('Communication and Messages',
1.38      raeburn  2177:  					$extra));
1.1       albertel 2178:     $r->print(&Apache::lonhtmlcommon::breadcrumbs
1.38      raeburn  2179:      		(($title?$title:'Communication and Messages')));
1.1       albertel 2180: }
                   2181: 
                   2182: # ---------------------------------------------------------------- Print header
                   2183: 
                   2184: sub printheader {
                   2185:     my ($r,$url,$desc,$title,$baseurl)=@_;
                   2186:     &Apache::lonhtmlcommon::add_breadcrumb
                   2187: 	({href=>$url,
                   2188: 	  text=>$desc});
                   2189:     &header($r,$title,$baseurl);
                   2190: }
                   2191: 
                   2192: # ------------------------------------------------------------ Store the comment
                   2193: 
                   2194: sub storecomment {
                   2195:     my ($r)=@_;
                   2196:     my $msgtxt=&Apache::lonfeedback::clear_out_html($env{'form.message'});
                   2197:     my $cleanmsgtxt='';
1.42      raeburn  2198:     foreach my $line (split(/[\n\r]/,$msgtxt)) {
                   2199: 	unless ($line=~/^\s*(\>|\&gt\;)/) {
                   2200: 	    $cleanmsgtxt.=$line."\n";
1.1       albertel 2201: 	}
                   2202:     }
1.29      www      2203:     my $key=&escape($env{'form.baseurl'}).'___'.time;
1.1       albertel 2204:     &Apache::lonnet::put('nohist_stored_comments',{ $key => $cleanmsgtxt });
                   2205: }
                   2206: 
                   2207: sub storedcommentlisting {
                   2208:     my ($r)=@_;
                   2209:     my %msgs=&Apache::lonnet::dump('nohist_stored_comments',undef,undef,
1.29      www      2210:        '^'.&escape(&escape($env{'form.showcommentbaseurl'})));
1.1       albertel 2211:     $r->print(&Apache::loncommon::start_page('Stored Comment Listing',undef,
                   2212: 					     {'onlybody' => 1}));
                   2213:     if ((keys %msgs)[0]=~/^error\:/) {
                   2214: 	$r->print(&mt('No stored comments yet.'));
                   2215:     } else {
                   2216: 	my $found=0;
1.42      raeburn  2217: 	foreach my $key (sort(keys(%msgs))) {
                   2218: 	    $r->print("\n".$msgs{$key}."<hr />");
1.1       albertel 2219: 	    $found=1;
                   2220: 	}
                   2221: 	unless ($found) {
                   2222: 	    $r->print(&mt('No stored comments yet for this resource.'));
                   2223: 	}
                   2224:     }
                   2225: }
                   2226: 
                   2227: # ---------------------------------------------------------------- Send an email
                   2228: 
                   2229: sub sendoffmail {
                   2230:     my ($r,$folder)=@_;
                   2231:     my $suffix=&Apache::lonmsg::foldersuffix($folder);
                   2232:     my $sendstatus='';
1.71    ! raeburn  2233:     my %msg_status;
        !          2234:     my $numsent = 0;
        !          2235:     my $nosentstore = 1;
1.38      raeburn  2236:     my ($cdom,$cnum,$group);
                   2237:     if (exists($env{'form.group'})) {
                   2238:         $group = $env{'form.group'};
                   2239:     }
                   2240:     if (exists($env{'request.course.id'})) {
                   2241:         $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   2242:         $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   2243:     }
1.1       albertel 2244:     if ($env{'form.send'}) {
1.53      raeburn  2245:         if (!$env{'form.multiforward'}) { 
                   2246:             if ($group eq '') {
                   2247: 	        &printheader($r,'','Messages being sent.');
                   2248:             } else {
                   2249:                 $r->print(&groupmail_header('sending',$group));
                   2250:             }
1.38      raeburn  2251:         }
1.1       albertel 2252: 	$r->rflush();
                   2253: 	my %content=();
                   2254: 	undef %content;
                   2255: 	if ($env{'form.forwid'}) {
                   2256: 	    my $msgid=$env{'form.forwid'};
                   2257: 	    my %message=&Apache::lonnet::get('nohist_email'.$suffix,[$msgid]);
                   2258: 	    %content=&Apache::lonmsg::unpackagemsg($message{$msgid},1);
                   2259: 	    &statuschange($msgid,'forwarded',$folder);
                   2260: 	    $env{'form.message'}.="\n\n-- Forwarded message --\n\n".
                   2261: 		$content{'message'};
                   2262: 	}
                   2263: 	if ($env{'form.replyid'}) {
                   2264: 	    my $msgid=$env{'form.replyid'};
                   2265: 	    my %message=&Apache::lonnet::get('nohist_email'.$suffix,[$msgid]);
                   2266: 	    %content=&Apache::lonmsg::unpackagemsg($message{$msgid},1);
                   2267: 	    &statuschange($msgid,'replied',$folder);
                   2268: 	}
1.13      albertel 2269: 
1.35      albertel 2270: 	my @to =
1.37      raeburn  2271: 	    &Apache::loncommon::get_env_multiple('form.selectedusers_forminput');
1.25      foxr     2272: 	my $mode = $env{'form.sendmode'};
                   2273: 
1.13      albertel 2274: 	my %toaddr;
1.35      albertel 2275: 	if (@to) {
                   2276: 	    foreach my $dest (@to) {
1.27      albertel 2277: 		my ($user,$domain) = split(/:/, $dest);
1.25      foxr     2278: 		if (($user ne '') && ($domain ne '')) {
                   2279: 		    my $address = $user.":".$domain; # How the code below expects it.
                   2280: 		    $toaddr{$address} = '';
                   2281: 		}
                   2282: 	    }
                   2283: 	}
                   2284: 
1.1       albertel 2285: 	if ($env{'form.sendmode'} eq 'group') {
1.25      foxr     2286: 	     foreach my $address (keys(%env)) {
                   2287: 	 	if ($address=~/^form\.send\_to\_\&\&\&[^\&]*\&\&\&\_(.+)$/) {
                   2288: 	 	    $toaddr{$1}='';
                   2289: 	 	}
1.1       albertel 2290: 	    }
                   2291: 	} elsif ($env{'form.sendmode'} eq 'upload') {
1.71    ! raeburn  2292:             $nosentstore = 0;
1.13      albertel 2293: 	    foreach my $line (split(/[\n\r\f]+/,$env{'form.upfile'})) {
1.43      raeburn  2294:                 my ($rec,$txt) = ($line =~ /^([^:]+:[^:]+):(.*)$/);
1.1       albertel 2295: 		if ($txt) {
1.43      raeburn  2296:                     $rec =~ s/^\s+//;
1.44      raeburn  2297:                     $rec =~ s/\s+$//;
1.1       albertel 2298: 		    $toaddr{$rec}.=$txt."\n";
                   2299: 		}
                   2300: 	    }
                   2301: 	} else {
1.25      foxr     2302: 	    if (($env{'form.recuname'} ne '') && ($env{'form.recdomain'} ne '')) {
                   2303: 		$toaddr{$env{'form.recuname'}.':'.$env{'form.recdomain'}}='';
                   2304: 	    }
1.1       albertel 2305: 	}
                   2306: 	if ($env{'form.additionalrec'}) {
1.66      albertel 2307: 	    foreach my $rec (split(/\s*,\s*/,$env{'form.additionalrec'})) {
1.43      raeburn  2308: 		my ($auname,$audom)=split(/:/,$rec);
1.25      foxr     2309: 		if (($auname ne "") && ($audom ne "")) {
                   2310: 		    $toaddr{$auname.':'.$audom}='';
                   2311: 		}
1.1       albertel 2312: 	    }
                   2313: 	}
                   2314: 
                   2315:         my $savemsg;
                   2316:         my $msgtype;
                   2317:         my %sentmessage;
1.7       albertel 2318:         my $msgsubj=&Apache::lonfeedback::clear_out_html($env{'form.subject'},
                   2319: 							 undef,1);
1.1       albertel 2320:         if ((($env{'form.critmsg'}) || ($env{'form.sendbck'})) &&
                   2321:             (&Apache::lonnet::allowed('srm',$env{'request.course.id'})
                   2322: 	     || &Apache::lonnet::allowed('srm',$env{'request.course.id'}.
                   2323: 					 '/'.$env{'request.course.sec'})
                   2324: 	     )) {
                   2325:             $savemsg=&Apache::lonfeedback::clear_out_html($env{'form.message'},1);
                   2326:             $msgtype = 'critical';
                   2327:         } else {
                   2328:             $savemsg=&Apache::lonfeedback::clear_out_html($env{'form.message'});
                   2329:         }
1.71    ! raeburn  2330:         my @recusers;
        !          2331:         my @recudoms;
1.13      albertel 2332: 	foreach my $address (sort(keys(%toaddr))) {
                   2333: 	    my ($recuname,$recdomain)=split(/\:/,$address);
1.1       albertel 2334:             my $msgtxt = $savemsg;
1.13      albertel 2335: 	    if ($toaddr{$address}) { $msgtxt.='<hr />'.$toaddr{$address}; }
1.12      albertel 2336: 	    my @thismsg;
1.60      raeburn  2337: 	    if ($msgtype eq 'critical') {
                   2338: 		$r->print(&mt('Sending critical message').' '.
                   2339:                               $recuname.':'.$recdomain.': ');
1.13      albertel 2340: 		@thismsg=
                   2341: 		    &Apache::lonmsg::user_crit_msg($recuname,$recdomain,
                   2342: 						   $msgsubj,$msgtxt,
                   2343: 						   $env{'form.sendbck'},
                   2344: 						   $env{'form.permanent'},
1.71    ! raeburn  2345: 						   \$sentmessage{$address},
        !          2346:                                                    $nosentstore);
1.1       albertel 2347: 	    } else {
1.14      albertel 2348: 		$r->print(&mt('Sending').' '.$recuname.':'.$recdomain.': ');
1.13      albertel 2349: 		@thismsg=
                   2350: 		    &Apache::lonmsg::user_normal_msg($recuname,$recdomain,
                   2351: 						     $msgsubj,$msgtxt,
                   2352: 						     $content{'citation'},
                   2353: 						     undef,undef,
                   2354: 						     $env{'form.permanent'},
1.71    ! raeburn  2355: 						     \$sentmessage{$address},
        !          2356:                                                      undef,undef,undef,
        !          2357:                                                      $nosentstore);
        !          2358:             }
        !          2359: 	    $msg_status{$recuname.':'.$recdomain}=join(' ',@thismsg);
        !          2360: 	    if ($msg_status{$recuname.':'.$recdomain} =~ /(ok|con_delayed)/) {  
        !          2361: 	        $numsent++;
        !          2362:                 push(@recusers,$recuname);
        !          2363:                 push(@recudoms,$recdomain);
1.1       albertel 2364: 	    }
1.12      albertel 2365: 	    $sendstatus.=' '.join(' ',@thismsg);
1.1       albertel 2366: 	}
1.71    ! raeburn  2367:         my $subj_prefix;
        !          2368:         if ($numsent > 0) {
        !          2369:             if (($env{'request.course.id'}) && 
        !          2370:                 (($env{'form.sendmode'} eq 'group') ||
        !          2371:                  ($env{'form.courserecord'}) ||
        !          2372:                  ($msgtype eq 'critical'))) {
        !          2373:                 if ($msgtype eq 'critical') {
        !          2374:                     $subj_prefix = 'Critical.';
        !          2375:                 } elsif ($env{'form.sendmode'} eq 'group') {
        !          2376:                     $subj_prefix = 'Broadcast.';
        !          2377:                 } else {
        !          2378:                     $subj_prefix = 'Archive';
        !          2379:                 }
        !          2380:                 my ($specialmsgid,$specialresult);
        !          2381:                 my $course_str = &escape('['.$cnum.':'.$cdom.']');
1.1       albertel 2382: 
1.71    ! raeburn  2383:                 $specialresult = 
        !          2384:                     &Apache::lonmsg::user_normal_msg_raw($cnum,$cdom,
        !          2385:                         $subj_prefix.' '.$course_str,$savemsg,undef,undef,
        !          2386:                         undef,undef,undef,\$specialmsgid,undef,undef,undef,
        !          2387:                         undef,undef,1);
1.29      www      2388:                 $specialmsgid = &unescape($specialmsgid);
1.71    ! raeburn  2389:                 if ($specialresult eq 'ok') {
        !          2390:                     my ($stamp,$crssubj,$msgname,$msgdom,$msgcount,$context,$pid) =
        !          2391: 		        split(/\:/,&unescape($specialmsgid));
        !          2392: 
        !          2393:                     foreach my $recipient (sort(keys(%toaddr))) {
        !          2394:                         if ($msg_status{$recipient} =~ /\s*(ok|con_delayed)\s*/) {
        !          2395:                             my $usersubj = $subj_prefix.'['.$recipient.']';
        !          2396:                             my $usermsgid = 
        !          2397: 			        &Apache::lonmsg::buildmsgid($stamp,$usersubj,
        !          2398: 							    $msgname,$msgdom,
        !          2399: 							    $msgcount,$context,
        !          2400: 							    $pid);
        !          2401:                             &Apache::lonmsg::user_normal_msg_raw($cnum,$cdom,
        !          2402:                                 $subj_prefix.' ['.$recipient.']',$msgsubj,
        !          2403:                                 undef,undef,undef,undef,$usermsgid,undef,
        !          2404:                                 undef,$specialmsgid,undef,undef,undef,1);
        !          2405:                         }
        !          2406:                     }
        !          2407:                     if (($env{'form.sendmode'} ne 'upload') && (@recusers > 0)) {
        !          2408:                         &Apache::lonmsg::process_sent_mail($msgsubj,
        !          2409:                            $subj_prefix,$numsent,$stamp,$msgname,$msgdom,
        !          2410:                            $msgcount,$context,$pid,$savemsg,\@recusers,
        !          2411:                            \@recudoms);
1.1       albertel 2412:                     }
1.71    ! raeburn  2413:                 } else {
        !          2414:                     &Apache::lonnet::logthis('Failed to create record of critical, broadcast or archived message in '.$env{'course.'.$env{'request.course.id'}.'.num'}.' at '.$env{'course.'.$env{'request.course.id'}.'.domain'}.' - no msgid generated');
1.1       albertel 2415:                 }
                   2416:             } else {
1.71    ! raeburn  2417:                 my $stamp = time;
        !          2418:                 my $msgcount = &Apache::lonmsg::get_uniq();
        !          2419:                 my $context = &Apache::lonmsg::get_course_context();
        !          2420:                 &Apache::lonmsg::process_sent_mail($msgsubj,$subj_prefix,
        !          2421:                        $numsent,$stamp,$env{'user.name'},
        !          2422:                        $env{'user.domain'},$msgcount,$context,
        !          2423:                        $$,$savemsg,\@recusers,\@recudoms);
1.1       albertel 2424:             }
                   2425:         }
1.71    ! raeburn  2426:         if (!$env{'form.multiforward'}) { 
        !          2427:             if ($sendstatus=~/^(\s*(?:ok|con_delayed)\s*)*$/) {
        !          2428: 	        $r->print('<br /><span class="LC_success">'.&mt('Completed.').
        !          2429:                           '</span>');
        !          2430: 	        if ($env{'form.displayedcrit'}) {
        !          2431: 	            &discrit($r);
        !          2432:                 }
        !          2433:                 if ($group ne '') {
        !          2434:                     $r->print(&groupmail_sent($group,$cdom,$cnum)); 
        !          2435: 	        } else {
        !          2436: 	            &Apache::loncommunicate::menu($r);
        !          2437: 	        }
        !          2438:             } else {
        !          2439: 	        $r->print('<p><span class="LC_error">'.&mt('Could not deliver message').'</span> '.
        !          2440: 		          &mt('Please use the browser "Back" button and correct the recipient addresses '."($sendstatus)").'</p>');
1.53      raeburn  2441:             }
1.38      raeburn  2442:         }
1.1       albertel 2443:     }
1.53      raeburn  2444:     return $sendstatus;
1.1       albertel 2445: }
                   2446: 
                   2447: # ===================================================================== Handler
                   2448: 
                   2449: sub handler {
                   2450:     my $r=shift;
                   2451: 
                   2452: # ----------------------------------------------------------- Set document type
                   2453:     
                   2454:     &Apache::loncommon::content_type($r,'text/html');
                   2455:     $r->send_http_header;
                   2456:     
                   2457:     return OK if $r->header_only;
                   2458:     
                   2459: # --------------------------- Get query string for limited number of parameters
                   2460:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                   2461:         ['display','replyto','forward','markread','markdel','markunread',
                   2462:          'sendreply','compose','sendmail','critical','recname','recdom',
                   2463:          'recordftf','sortedby','block','folder','startdis','interdis',
1.53      raeburn  2464: 	 'showcommentbaseurl','dismode','group','subject','text','ref',
                   2465:          'msgstatus']);
1.1       albertel 2466:     $sqs='&sortedby='.$env{'form.sortedby'};
                   2467: 
                   2468: # ------------------------------------------------------ They checked for email
                   2469:     unless ($env{'form.block'}) {
                   2470:         &Apache::lonnet::put('email_status',{'recnewemail'=>0});
                   2471:     }
                   2472: 
                   2473: # ----------------------------------------------------------------- Breadcrumbs
                   2474: 
                   2475:     &Apache::lonhtmlcommon::clear_breadcrumbs();
                   2476:     &Apache::lonhtmlcommon::add_breadcrumb
                   2477:         ({href=>"/adm/communicate",
                   2478:           text=>"Communication/Messages",
                   2479:           faq=>12,bug=>'Communication Tools',});
                   2480: 
                   2481: # ------------------------------------------------------------------ Get Folder
                   2482: 
                   2483:     my $folder=$env{'form.folder'};
                   2484:     unless ($folder) { 
                   2485: 	$folder=''; 
                   2486:     } else {
1.29      www      2487: 	$sqs.='&folder='.&escape($folder);
1.1       albertel 2488:     }
                   2489: # ------------------------------------------------------------ Get Display Mode
                   2490: 
                   2491:     my $dismode=$env{'form.dismode'};
                   2492:     unless ($dismode) { 
                   2493: 	$dismode=''; 
                   2494:     } else {
1.48      albertel 2495: 	$sqs.='&amp;dismode='.&escape($dismode);
1.1       albertel 2496:     }
                   2497: 
                   2498: # --------------------------------------------------------------------- Display
1.53      raeburn  2499:     my $msgstatus = $env{'form.msgstatus'};
1.1       albertel 2500:     $startdis=$env{'form.startdis'};
1.53      raeburn  2501:     if ($startdis ne '') {
                   2502:         $startdis--;
                   2503:     }
1.1       albertel 2504:     unless ($startdis) { $startdis=0; }
                   2505: 
                   2506:     if ($env{'form.firstview'}) {
                   2507: 	$startdis=0;
                   2508:     }
                   2509:     if ($env{'form.lastview'}) {
                   2510: 	$startdis=-1;
                   2511:     }
                   2512:     if ($env{'form.prevview'}) {
                   2513: 	$startdis--;
                   2514:     }
                   2515:     if ($env{'form.nextview'}) {
                   2516: 	$startdis++;
                   2517:     }
                   2518:     my $postedstartdis=$startdis+1;
                   2519:     $sqs.='&startdis='.$postedstartdis;
                   2520: 
                   2521: # --------------------------------------------------------------- Render Output
                   2522: 
                   2523:     if ($env{'form.display'}) {
1.53      raeburn  2524: 	&displaymessage($r,$env{'form.display'},$folder,$msgstatus);
1.1       albertel 2525:     } elsif ($env{'form.replyto'}) {
                   2526: 	&compout($r,'',$env{'form.replyto'},undef,undef,$folder,$dismode);
                   2527:     } elsif ($env{'form.confirm'}) {
                   2528: 	&printheader($r,'','Confirmed Receipt');
1.36      albertel 2529: 	my $replying = 0;
1.42      raeburn  2530: 	foreach my $envkey (keys(%env)) {
                   2531: 	    if ($envkey=~/^form\.rec\_(.*)$/) {
1.1       albertel 2532: 		$r->print('<b>'.&mt('Confirming Receipt').':</b> '.
                   2533: 			  &Apache::lonmsg::user_crit_received($1).'<br>');
                   2534: 	    }
1.42      raeburn  2535: 	    if ($envkey=~/^form\.reprec\_(.*)$/) {
1.1       albertel 2536: 		my $msgid=$1;
                   2537: 		$r->print('<b>'.&mt('Confirming Receipt').':</b> '.
                   2538: 			  &Apache::lonmsg::user_crit_received($msgid).'<br>');
                   2539: 		&compout($r,'','','',$msgid);
1.36      albertel 2540: 		$replying = 1;
1.1       albertel 2541: 	    }
                   2542: 	}
1.36      albertel 2543: 	if (!$replying) {
                   2544: 	    &discrit($r);
                   2545: 	}
1.1       albertel 2546:     } elsif ($env{'form.critical'}) {
                   2547: 	&printheader($r,'','Displaying Critical Messages');
                   2548: 	&discrit($r);
                   2549:     } elsif ($env{'form.forward'}) {
                   2550: 	&compout($r,$env{'form.forward'},undef,undef,undef,$folder);
                   2551:     } elsif ($env{'form.markdel'}) {
                   2552: 	&printheader($r,'','Deleted Message');
1.9       albertel 2553: 	my ($result,$msg) = 
                   2554: 	    &statuschange($env{'form.markdel'},'deleted',$folder);
                   2555: 	if (!$result) {
1.10      albertel 2556: 	    $r->print('<p class="LC_error">'.
                   2557: 		      &mt('Failed to delete the message.').'</p>'.
1.9       albertel 2558: 		      '<p class="LC_error">'.$msg."</p>\n");
                   2559: 	}
1.1       albertel 2560: 	&Apache::loncommunicate::menu($r);
1.53      raeburn  2561: 	&disall($r,($folder?$folder:$dismode),$msgstatus);
                   2562:     } elsif ($env{'form.markedaction'} eq 'markedforward') {
                   2563:         my $total = 0;
                   2564:         my @to_forward = &Apache::loncommon::get_env_multiple('form.delmark');
                   2565:         foreach my $msgid (@to_forward) {
                   2566:             &statuschange(&unescape($msgid),'forwarded',$folder);
                   2567:             $total ++;
                   2568:         }
                   2569:         if ($total > 0) {
                   2570:             &compout($r,undef,undef,undef,undef,$folder,$dismode,$total);
                   2571:         }
                   2572:     } elsif ($env{'form.markedaction'} eq 'markedread') {
                   2573:         my $total = 0;
                   2574:         my @to_markread = &Apache::loncommon::get_env_multiple('form.delmark');
                   2575:         foreach my $msgid (@to_markread) {
                   2576:             &statuschange(&unescape($msgid),'read',$folder);
                   2577:             $total ++;
                   2578:         }
                   2579:         &printheader($r,'','Marked Messages Read');
                   2580:         $r->print(&mt('Marked [_1] message(s) read',$total).'<p>');
                   2581:         &Apache::loncommunicate::menu($r);
                   2582:         &disall($r,($folder?$folder:$dismode),$msgstatus);
                   2583:     } elsif ($env{'form.markedaction'} eq 'markedunread') {
                   2584:         my $total = 0;
                   2585:         my @to_markunread = &Apache::loncommon::get_env_multiple('form.delmark');
                   2586:         foreach my $msgid (@to_markunread) {
                   2587:             &statuschange(&unescape($msgid),'new',$folder);
                   2588:             $total ++;
                   2589:         }
                   2590:         &printheader($r,'','Marked Messages Unread');
                   2591:         $r->print(&mt('Marked [_1] message(s) unread',$total).'<p>');
                   2592:         &Apache::loncommunicate::menu($r);
                   2593:         &disall($r,($folder?$folder:$dismode),$msgstatus);
                   2594:     } elsif ($env{'form.markedaction'} eq 'markedmove') {
                   2595:         my $destfolder = $env{'form.movetofolder'};
                   2596:         my %gotfolders = &Apache::lonmsg::get_user_folders();
                   2597:         &printheader($r,'','Moved Messages');
                   2598:         if (!defined($gotfolders{$destfolder})) {
                   2599:             $r->print(&mt('Destination folder [_1] is not a valid folder',
                   2600:                       $destfolder));
                   2601:         } else {
                   2602: 	    my ($total,$failed,@failed_msg)=(0,0);
                   2603:             my @to_move = &Apache::loncommon::get_env_multiple('form.delmark');
                   2604:             foreach my $msgid (@to_move) {
                   2605: 	        my ($result,$msg) = &movemsg(&unescape($msgid),$folder,
                   2606: 			                     $env{'form.movetofolder'});
                   2607: 	        if ($result) {
1.9       albertel 2608: 		    $total++;
1.53      raeburn  2609: 	        } else {
1.9       albertel 2610: 		    $failed++;
                   2611: 		    push(@failed_msg,$msg);
1.53      raeburn  2612: 	        }
1.1       albertel 2613: 	    }
1.53      raeburn  2614: 	    if ($failed) {
                   2615: 	        $r->print('<p class="LC_error">
1.10      albertel 2616:                           '.&mt('Failed to move [_1] message(s)',$failed).
                   2617: 		      '</p>');
1.53      raeburn  2618: 	        $r->print('<p class="LC_error">'.
                   2619: 	   	          join("</p>\n<p class=\"LC_error\">",@failed_msg).
                   2620: 		          "</p>\n");
                   2621: 	    }
                   2622: 	    $r->print(&mt('Moved [_1] message(s)',$total).'<p>');
                   2623:         }
1.1       albertel 2624: 	&Apache::loncommunicate::menu($r);
1.53      raeburn  2625: 	&disall($r,($folder?$folder:$dismode),$msgstatus);
                   2626:     } elsif ($env{'form.markedaction'} eq 'markeddel') {
1.9       albertel 2627: 	my ($total,$failed,@failed_msg)=(0,0);
1.53      raeburn  2628:         my @to_delete = &Apache::loncommon::get_env_multiple('form.delmark');
                   2629:         foreach my $msgid (@to_delete) {
                   2630: 	    my ($result,$msg) = &statuschange(&unescape($msgid),'deleted', 
                   2631: 				              $folder);
                   2632: 	    if ($result) {
                   2633: 	        $total++;
                   2634: 	    } else {
                   2635: 	        $failed++;
                   2636: 		push(@failed_msg,$msg);
1.1       albertel 2637: 	    }
                   2638: 	}
                   2639: 	&printheader($r,'','Deleted Messages');
1.9       albertel 2640: 	if ($failed) {
                   2641: 	    $r->print('<p class="LC_error">
1.10      albertel 2642:                           '.&mt('Failed to delete [_1] message(s)',$failed).
                   2643: 		      '</p>');
1.9       albertel 2644: 	    $r->print('<p class="LC_error">'.
                   2645: 		      join("</p>\n<p class=\"LC_error\">",@failed_msg).
                   2646: 		      "</p>\n");
                   2647: 	}
1.10      albertel 2648: 	$r->print(&mt('Deleted [_1] message(s)',$total).'<p>');
1.1       albertel 2649: 	&Apache::loncommunicate::menu($r);
1.53      raeburn  2650: 	&disall($r,($folder?$folder:$dismode),$msgstatus);
1.1       albertel 2651:     } elsif ($env{'form.markunread'}) {
                   2652: 	&printheader($r,'','Marked Message as Unread');
                   2653: 	&statuschange($env{'form.markunread'},'new');
                   2654: 	&Apache::loncommunicate::menu($r);
1.53      raeburn  2655: 	&disall($r,($folder?$folder:$dismode),$msgstatus);
1.1       albertel 2656:     } elsif ($env{'form.compose'}) {
                   2657: 	&compout($r,'','',$env{'form.compose'});
                   2658:     } elsif ($env{'form.recordftf'}) {
                   2659: 	&facetoface($r,$env{'form.recordftf'});
                   2660:     } elsif ($env{'form.block'}) {
                   2661:         &examblock($r,$env{'form.block'});
                   2662:     } elsif ($env{'form.sendmail'}) {
1.53      raeburn  2663:         if ($env{'form.multiforward'}) {
                   2664:             &printheader($r,'','Messages being sent.');
                   2665:             my $fixed_subj = $env{'form.subject'};
                   2666:             my $suffix=&Apache::lonmsg::foldersuffix($folder);
                   2667:             my (%sendresult,%forwardok,%forwardfail,$fwdcount);
                   2668:             my @to_forward = &Apache::loncommon::get_env_multiple('form.delmark');
                   2669:             foreach my $item (@to_forward) {
                   2670:                 my $msgid=&unescape($item);
                   2671:                 my %message=&Apache::lonnet::get('nohist_email'.$suffix,[$msgid]);
                   2672:                 my %content=&Apache::lonmsg::unpackagemsg($message{$msgid},1);
                   2673:                 if ($env{'form.showorigsubj'}) {
                   2674:                     $env{'form.subject'} = $fixed_subj.$content{'subject'};
                   2675:                 } else {
                   2676:                     $env{'form.subject'} = '';
                   2677:                 }
                   2678:                 my $uname = $content{'sendername'};
                   2679:                 my $udom = $content{'senderdomain'};
                   2680:                 &statuschange($msgid,'forwarded',$folder);
                   2681:                 if ($env{'form.showorigsender'}) {
                   2682:                     $env{'form.message'} = $env{'form.msgheader'}.' '.
                   2683:                         &Apache::loncommon::plainname($uname,$udom).' ('.
                   2684:                                            $uname.':'.$udom.')';
                   2685:                 }
                   2686:                 $env{'form.message'} .= "\n\n-- Forwarded message --\n\n".
                   2687:                                         $content{'message'};
                   2688:                 $fwdcount ++;
                   2689:                 $r->print($fwdcount.': '); 
                   2690:                 $sendresult{$msgid} = &sendoffmail($r,$folder);
                   2691:                 $r->print('<br />');
                   2692:             }
                   2693:             foreach my $key (keys(%sendresult)) {
                   2694:                 if ($sendresult{$key} =~/^(\s*(?:ok|con_delayed)\s*)*$/) {
                   2695:                     $forwardok{$key} = $sendresult{$key};
                   2696:                 } else {
                   2697:                     $forwardfail{$key} = $sendresult{$key}; 
                   2698:                 }
                   2699:             }
                   2700:             if (keys(%forwardok) > 0) {
                   2701:                 my $count = keys(%forwardok);
                   2702:                 $r->print('<br /><span class="LC_success">'.
                   2703:                           &mt('[quant,_1,message] forwarded.',$count).
                   2704:                           '</span>');
                   2705:             }
                   2706:             if (keys(%forwardfail) > 0) {
                   2707:                 my $count = keys(%forwardfail);
                   2708:                 $r->print('<p><span class="LC_error">'.
                   2709:                           &mt('Could not forward [quant,_1,message].',$count).
                   2710:                           '</span> ');
                   2711:                 foreach my $key (keys(%forwardfail)) {
                   2712:                     $r->print(&mt('Could not deliver forwarded message.').'</span> '.
                   2713:                               &mt('The recipient addresses may need to be corrected').' ('.$forwardfail{$key}.').<br /><br />');
                   2714:                 }
                   2715:             }
                   2716:             &Apache::loncommunicate::menu($r);
                   2717:         } else {
                   2718: 	    &sendoffmail($r,$folder);
                   2719:         }
1.1       albertel 2720: 	if ($env{'form.storebasecomment'}) {
                   2721: 	    &storecomment($r);
1.38      raeburn  2722:         }
1.1       albertel 2723: 	if (($env{'form.rsspost'}) && ($env{'request.course.id'})) {
1.38      raeburn  2724: 	        &Apache::lonrss::addentry($env{'course.'.$env{'request.course.id'}.'.num'},
1.1       albertel 2725: 				      $env{'course.'.$env{'request.course.id'}.'.domain'},
                   2726: 				      'Course_Announcements',
                   2727: 				      $env{'form.subject'},
                   2728: 				      $env{'form.message'},'/adm/communicate','public');
                   2729: 	}
1.38      raeburn  2730: 	if ((!exists($env{'form.group'})) && (!$env{'form.displayedcrit'})) {
1.53      raeburn  2731: 	    &disall($r,($folder?$folder:$dismode),$msgstatus);
1.36      albertel 2732: 	}
1.1       albertel 2733:     } elsif ($env{'form.newfolder'}) {
                   2734: 	&printheader($r,'','New Folder');
1.46      raeburn  2735:         my $showfolder = $env{'form.newfolder'};
                   2736: 	my ($makeresult,$warning) = &makefolder($env{'form.newfolder'});
                   2737:         if ($makeresult eq 'ok') {
                   2738:             $r->print(&mt('Mail folder "[_1]" created.',$showfolder).'<br />');
                   2739:         } else {
                   2740:             $r->print(&mt('Creation failed.').' '.$makeresult.'<br />'.
                   2741:                       $warning);
                   2742:             $showfolder = $folder;
                   2743:         }
                   2744:         &Apache::loncommunicate::menu($r);
1.53      raeburn  2745: 	&disall($r,$showfolder,$msgstatus);
1.1       albertel 2746:     } elsif ($env{'form.showcommentbaseurl'}) {
                   2747: 	&storedcommentlisting($r);
1.46      raeburn  2748:     } elsif ($env{'form.folderaction'} eq 'delete') {
                   2749:         &printheader($r,'','Deleted Folder');
                   2750:         my $showfolder = '';
                   2751:         my $delresult = &deletefolder($folder);
                   2752:         if ($delresult eq 'ok') {
                   2753:             $r->print(&mt('Mail folder "[_1]" deleted.',$folder).'<br />');
1.65      raeburn  2754:             $env{'form.folder'} = '';
1.46      raeburn  2755:         } else {
                   2756:             $r->print(&mt('Deletion failed.').' '.$delresult.'<br />');
                   2757:             $showfolder = $folder;
                   2758:         }
                   2759:         &Apache::loncommunicate::menu($r);
1.53      raeburn  2760:         &disall($r,$showfolder,$msgstatus);
1.46      raeburn  2761:     } elsif ($env{'form.folderaction'} eq 'rename') {
                   2762:         &printheader($r,'','Renamed Folder');
                   2763:         my $showfolder = $env{'form.renamed'};
                   2764:         my $renresult = &renamefolder($folder);
                   2765:         if ($renresult eq 'ok') {
                   2766:             $r->print(&mt('Mail folder "[_1]" renamed "[_2]".',$folder,$showfolder).'<br />');
                   2767:         } else {
                   2768:             $r->print(&mt('Renaming failed.').' '.$renresult.'<br />');
                   2769:             $showfolder = $folder;
                   2770:         }
                   2771:         &Apache::loncommunicate::menu($r);
1.53      raeburn  2772:         &disall($r,$showfolder,$msgstatus);
1.1       albertel 2773:     } else {
                   2774: 	&printheader($r,'','Display All Messages');
1.44      raeburn  2775: 	&Apache::loncommunicate::menu($r);
1.53      raeburn  2776: 	&disall($r,($folder?$folder:$dismode),$msgstatus);
1.1       albertel 2777:     }
                   2778:     $r->print(&Apache::loncommon::end_page());
                   2779:     return OK;
                   2780: }
                   2781: # ================================================= Main program, reset counter
                   2782: 
                   2783: =pod
                   2784: 
                   2785: =cut
                   2786: 
                   2787: 1; 
                   2788: 
                   2789: __END__
                   2790: 

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