--- loncom/auth/lonroles.pm 2010/06/02 15:17:07 1.249
+++ loncom/auth/lonroles.pm 2012/06/01 16:00:29 1.267
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# User Roles Screen
#
-# $Id: lonroles.pm,v 1.249 2010/06/02 15:17:07 raeburn Exp $
+# $Id: lonroles.pm,v 1.267 2012/06/01 16:00:29 bisitz Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -203,13 +203,35 @@ sub handler {
my $now=time;
my $then=$env{'user.login.time'};
my $refresh=$env{'user.refresh.time'};
+ my $update=$env{'user.update.time'};
if (!$refresh) {
$refresh = $then;
}
+ if (!$update) {
+ $update = $then;
+ }
+
+# -------------------------------------------------------- Check for new roles
+ my $updateresult;
+ if ($env{'form.doupdate'}) {
+ my $show_course=&Apache::loncommon::show_course();
+ my $checkingtxt;
+ if ($show_course) {
+ $checkingtxt = &mt('Checking for new courses ...');
+ } else {
+ $checkingtxt = &mt('Checking for new roles ...');
+ }
+ $updateresult = ''.$checkingtxt.'';
+ $updateresult .= &update_session_roles();
+ &Apache::lonnet::appenv({'user.update.time' => $now});
+ $update = $now;
+ }
+
my $envkey;
my %dcroles = ();
- my $numdc = &check_fordc(\%dcroles,$then);
+ my $numdc = &check_fordc(\%dcroles,$update,$then);
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
+ my $loncaparev = $Apache::lonnet::perlvar{'lonVersion'};
# ================================================================== Roles Init
if ($env{'form.selectrole'}) {
@@ -223,8 +245,17 @@ sub handler {
if ($env{'request.course.id'}) {
# Check if user is CC trying to select a course role
if ($env{'form.switchrole'}) {
- if (!defined($env{'user.role.'.$env{'form.switchrole'}})) {
- &adhoc_course_role($refresh,$then);
+ my $switch_is_active;
+ if (defined($env{'user.role.'.$env{'form.switchrole'}})) {
+ my ($start,$end) = split(/\./,$env{'user.role.'.$env{'form.switchrole'}});
+ if (!$end || $end > $now) {
+ if (!$start || $start < $update) {
+ $switch_is_active = 1;
+ }
+ }
+ }
+ unless ($switch_is_active) {
+ &adhoc_course_role($refresh,$update,$then);
}
}
my %temp=('logout_'.$env{'request.course.id'} => time);
@@ -246,7 +277,7 @@ sub handler {
($envkey =~ m-^form\.(cc|co)\./($match_domain)/($match_courseid)$-)) {
if ($dcroles{$domain}) {
&Apache::lonnet::check_adhoc_privs($domain,$coursenum,
- $then,$refresh,$now,$ccrole);
+ $update,$refresh,$now,$ccrole);
}
last;
}
@@ -286,7 +317,7 @@ sub handler {
if ($dcroles{$domain}) {
my ($server_status,$home) = &check_author_homeserver($user,$domain);
if (($server_status eq 'ok') || ($server_status eq 'switchserver')) {
- &Apache::lonnet::check_adhoc_privs($domain,$user,$then,
+ &Apache::lonnet::check_adhoc_privs($domain,$user,$update,
$refresh,$now,'ca');
if ($server_status eq 'switchserver') {
my $trolecode = 'ca./'.$domain.'/'.$user;
@@ -308,12 +339,48 @@ sub handler {
foreach $envkey (keys %env) {
next if ($envkey!~/^user\.role\./);
my ($where,$trolecode,$role,$tstatus,$tend,$tstart);
- &Apache::lonnet::role_status($envkey,$then,$refresh,$now,\$role,\$where,
+ &Apache::lonnet::role_status($envkey,$update,$refresh,$now,\$role,\$where,
\$trolecode,\$tstatus,\$tstart,\$tend);
if ($env{'form.'.$trolecode}) {
if ($tstatus eq 'is') {
$where=~s/^\///;
my ($cdom,$cnum,$csec)=split(/\//,$where);
+ if (($cnum) && ($role ne 'ca') && ($role ne 'aa')) {
+ my $home = $env{'course.'.$cdom.'_'.$cnum.'.home'};
+ my @ids = &Apache::lonnet::current_machine_ids();
+ unless ($loncaparev eq '' && $home && grep(/^\Q$home\E$/,@ids)) {
+ my %curr_reqd_hash = &Apache::lonnet::userenvironment($cdom,$cnum,'internal.releaserequired');
+ if ($curr_reqd_hash{'internal.releaserequired'} ne '') {
+ my ($switchserver,$switchwarning) =
+ &check_release_required($loncaparev,$cdom.'_'.$cnum,$trolecode,$curr_reqd_hash{'internal.releaserequired'});
+ if ($switchwarning ne '' || $switchserver ne '') {
+ &Apache::loncommon::content_type($r,'text/html');
+ &Apache::loncommon::no_cache($r);
+ $r->send_http_header;
+ my $end_page=&Apache::loncommon::end_page();
+ $r->print(&Apache::loncommon::start_page('Selected course unavailable on this server').
+ '