--- loncom/interface/lonmsgdisplay.pm 2006/04/22 17:10:07 1.4
+++ loncom/interface/lonmsgdisplay.pm 2006/12/07 21:21:04 1.49
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# Routines for messaging display
#
-# $Id: lonmsgdisplay.pm,v 1.4 2006/04/22 17:10:07 albertel Exp $
+# $Id: lonmsgdisplay.pm,v 1.49 2006/12/07 21:21:04 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -125,6 +125,9 @@ use Apache::lonlocal;
use Apache::loncommunicate;
use Apache::lonfeedback;
use Apache::lonrss();
+use Apache::lonselstudent();
+use lib '/home/httpd/lib/perl/';
+use LONCAPA;
# Querystring component with sorting type
my $sqs;
@@ -135,24 +138,134 @@ my $interdis;
sub folderlist {
my $folder=shift;
- my @allfolders=&Apache::lonnet::getkeys('email_folders');
- if ($allfolders[0]=~/^error:/) { @allfolders=(); }
- return '
':'');
+ ''.
+ ($folder=~/^(new|critical)/?'':'');
+ return $output;
+}
+
+sub get_permanent_folders {
+ my %permfolders =
+ &Apache::lonlocal::texthash('' => 'INBOX',
+ 'trash' => 'TRASH',
+ 'new' => 'New Messages Only',
+ 'critical' => 'Critical',
+ 'sent' => 'Sent Messages',
+ );
+ return %permfolders;
}
sub scrollbuttons {
@@ -184,21 +297,131 @@ sub statuschange {
&Apache::lonnet::put('email_status'.$suffix,{$msgid => $newstatus});
}
if ($newstatus eq 'deleted') {
- &movemsg(&Apache::lonnet::unescape($msgid),$folder,'trash');
- }
+ return &movemsg($msgid,$folder,'trash');
+ }
+ return ;
}
# ============================================================= Make new folder
sub makefolder {
- my ($newfolder)=@_;
- if (($newfolder eq 'sent')
- || ($newfolder eq 'critical')
- || ($newfolder eq 'trash')
- || ($newfolder eq 'new')) { return; }
- &Apache::lonnet::put('email_folders',{$newfolder => time});
+ my ($newfolder) = @_;
+ my %permfolders = &get_permanent_folders();
+ my %userfolders = &Apache::lonmsg::get_user_folders();
+ my ($outcome,$warning);
+ if (defined($userfolders{$newfolder})) {
+ return &mt('The folder name: "[_1]" is already in use for an existing folder.',$newfolder);
+ }
+ foreach my $perm (keys(%permfolders)) {
+ if ($permfolders{$perm} eq $newfolder) {
+ return &mt('The folder name: "[_1]" is already used for one of the folders automatically generated by the system.',$newfolder);
+ }
+ }
+ if (&get_msgfolder_lock() eq 'ok') {
+ my %counter_hash = &Apache::lonnet::get('email_folders',["\0".'idcount']);
+ my $lastcount = $counter_hash{"\0".'idcount'};
+ my $folder_id = $lastcount + 1;
+ while (defined($userfolders{$folder_id})) {
+ $folder_id ++;
+ }
+ my %folderinfo = ( id => $folder_id,
+ created => time, );
+ $outcome =
+ &Apache::lonnet::put('email_folders',{$newfolder => \%folderinfo,
+ "\0".'idcount' => $folder_id});
+ my $releaseresult = &release_msgfolder_lock();
+ if ($releaseresult ne 'ok') {
+ $warning = $releaseresult;
+ }
+ } else {
+ $outcome =
+ &mt('Error - could not obtain lock on email folders record.');
+ }
+ return ($outcome,$warning);
}
+# ============================================================= Delete folder
+
+sub deletefolder {
+ my ($folder)=@_;
+ my %permfolders = &get_permanent_folders();
+ if (defined($permfolders{$folder})) {
+ return &mt('The folder [_1] may not be deleted',$folder);
+ }
+ my %userfolders = &Apache::lonmsg::get_user_folders();
+ if (!defined($userfolders{$folder})) {
+ return &mt('The folder [_1] does not exist so deletion is not required.',
+ $folder);
+ }
+ # check folder is empty;
+ my $suffix=&Apache::lonmsg::foldersuffix($folder);
+ my @messages = &Apache::lonnet::getkeys('nohist_email'.$suffix);
+ if (@messages > 0) {
+ return &mt('The folder [_1] contains messages so it may not be deleted.').
+ ' '.
+ &mt('Delete or move the messages to a different folder first.');
+ }
+ my $delresult = &Apache::lonnet::del('email_folders',[$folder]);
+ return $delresult;
+}
+
+sub renamefolder {
+ my ($folder) = @_;
+ my $newname = $env{'form.renamed'};
+ my %permfolders = &get_permanent_folders();
+ if ($env{'form.renamed'} eq '') {
+ return &mt('The folder "[_1]" may not be renamed to "[_2]" as the new name you requested is an invalid name.',$folder,$newname);
+ }
+ if (defined($permfolders{$newname})) {
+ 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);
+ }
+ my %userfolders = &Apache::lonmsg::get_user_folders();
+ if (defined($userfolders{$newname})) {
+ 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);
+ }
+ if (!defined($userfolders{$folder})) {
+ return &mt('The folder "[_1]" could not be renamed to "[_2]" because the folder does not exist.',$folder,$newname);
+ }
+ my %folderinfo;
+ if (ref($userfolders{$folder}) eq 'HASH') {
+ %folderinfo = %{$userfolders{$folder}};
+ } else {
+ %folderinfo = ( id => $folder,
+ created => $userfolders{$folder},);
+ }
+ my $outcome =
+ &Apache::lonnet::put('email_folders',{$newname => \%folderinfo});
+ if ($outcome eq 'ok') {
+ $outcome = &Apache::lonnet::del('email_folders',[$folder]);
+ }
+ return $outcome;
+}
+
+sub get_msgfolder_lock {
+ # get lock for mail folder counter.
+ my $lockhash = { "\0".'lock_counter' => time, };
+ my $tries = 0;
+ my $gotlock = &Apache::lonnet::newput('email_folders',$lockhash);
+ while (($gotlock ne 'ok') && $tries <3) {
+ $tries ++;
+ sleep(1);
+ $gotlock = &Apache::lonnet::newput('email_folders',$lockhash);
+ }
+ return $gotlock;
+}
+
+sub release_msgfolder_lock {
+ # remove lock
+ my @del_lock = ("\0".'lock_counter');
+ my $dellockoutcome=&Apache::lonnet::del('email_folders',\@del_lock);
+ if ($dellockoutcome ne 'ok') {
+ return (' '.&mt('Warning: failed to release lock for counter').' ');
+ } else {
+ return 'ok';
+ }
+}
+
+
# ======================================================== Move between folders
sub movemsg {
@@ -206,125 +429,289 @@ sub movemsg {
if ($srcfolder eq 'new') { $srcfolder=''; }
my $srcsuffix=&Apache::lonmsg::foldersuffix($srcfolder);
my $trgsuffix=&Apache::lonmsg::foldersuffix($trgfolder);
+ if ($srcsuffix eq $trgsuffix) {
+ return (0,&mt('Message not moved, Attempted to move message to the same folder as it already is in.'));
+ }
# Copy message
my %message=&Apache::lonnet::get('nohist_email'.$srcsuffix,[$msgid]);
- &Apache::lonnet::put('nohist_email'.$trgsuffix,{$msgid => $message{$msgid}});
+ if (!exists($message{$msgid}) || $message{$msgid} eq '') {
+ if (&Apache::lonnet::error(%message)) {
+ return (0,&mt('Message not moved, A network error occurred.'));
+ } else {
+ return (0,&mt('Message not moved as the message is no longer in the source folder.'));
+ }
+ }
+
+ my $result =&Apache::lonnet::put('nohist_email'.$trgsuffix,
+ {$msgid => $message{$msgid}});
+ if (&Apache::lonnet::error($result)) {
+ return (0,&mt('Message not moved, A network error occurred.'));
+ }
# Copy status
unless ($trgfolder eq 'trash') {
- my %status=&Apache::lonnet::get('email_status'.$srcsuffix,[$msgid]);
- &Apache::lonnet::put('email_status'.$trgsuffix,{$msgid => $status{$msgid}});
+ my %status=&Apache::lonnet::get('email_status'.$srcsuffix,[$msgid]);
+ # a non-existant status is the mark of an unread msg
+ if (&Apache::lonnet::error(%status)) {
+ return (0,&mt('Message copied to new folder but status was not, A network error occurred.'));
+ }
+ my $result=&Apache::lonnet::put('email_status'.$trgsuffix,
+ {$msgid => $status{$msgid}});
+ if (&Apache::lonnet::error($result)) {
+ return (0,&mt('Message copied to new folder but status was not, A network error occurred.'));
+ }
}
+
# Delete orginals
- &Apache::lonnet::del('nohist_email'.$srcsuffix,[$msgid]);
- &Apache::lonnet::del('email_status'.$srcsuffix,[$msgid]);
+ my $result_del_msg =
+ &Apache::lonnet::del('nohist_email'.$srcsuffix,[$msgid]);
+ my $result_del_stat =
+ &Apache::lonnet::del('email_status'.$srcsuffix,[$msgid]);
+ if (&Apache::lonnet::error($result_del_msg)) {
+ return (0,&mt('Message copied, but unable to delete the original from the source folder.'));
+ }
+ if (&Apache::lonnet::error($result_del_stat)) {
+ return (0,&mt('Message copied, but unable to delete the original status from the source folder.'));
+ }
+
+ return (1);
}
# ======================================================= Display a course list
sub discourse {
- my $r=shift;
- my $classlist = &Apache::loncoursedata::get_classlist();
- my $now=time;
- my %lt=&Apache::lonlocal::texthash('cfa' => 'Check All',
- 'cfs' => 'Check Section/Group',
- 'cfn' => 'Uncheck All');
- $r->print(<
-
-
-
-
-
-
-ENDDISHEADER
- my %coursepersonnel=&Apache::lonnet::get_course_adv_roles();
- $r->print('
');
- foreach my $role (sort keys %coursepersonnel) {
- foreach (split(/\,/,$coursepersonnel{$role})) {
- my ($puname,$pudom)=split(/\:/,$_);
- $r->print('
'.
- '
('.$_.'),
'.$role.'
');
- }
- }
- $r->print('
');
- my $sort = sub {
- my $aname=lc($classlist->{$a}[&Apache::loncoursedata::CL_FULLNAME()]);
- if (!$aname) { $aname=$a; }
- my $bname=lc($classlist->{$b}[&Apache::loncoursedata::CL_FULLNAME()]);
- if (!$bname) { $bname=$b; }
- return $aname cmp $bname;
- };
- foreach my $student (sort $sort (keys(%{$classlist}))) {
- my $info=$classlist->{$student};
- my ($sname,$sdom,$status,$fullname,$section) =
- (@{$info}[&Apache::loncoursedata::CL_SNAME(),
- &Apache::loncoursedata::CL_SDOM(),
- &Apache::loncoursedata::CL_STATUS(),
- &Apache::loncoursedata::CL_FULLNAME(),
- &Apache::loncoursedata::CL_SECTION()]);
- next if ($status ne 'Active');
- next if ($env{'request.course.sec'} &&
- $section ne $env{'request.course.sec'});
- my $key = 'send_to_&&&'.$section.'&&&_'.$student;
- if (! defined($fullname) || $fullname eq '') { $fullname = $sname; }
- $r->print('