--- loncom/interface/loncommon.pm 2015/01/23 23:32:02 1.1075.2.86
+++ loncom/interface/loncommon.pm 2015/03/11 01:55:41 1.1075.2.88
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# a pile of common routines
#
-# $Id: loncommon.pm,v 1.1075.2.86 2015/01/23 23:32:02 raeburn Exp $
+# $Id: loncommon.pm,v 1.1075.2.88 2015/03/11 01:55:41 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -4755,23 +4755,28 @@ sub get_domainconf {
if (keys(%{$domconfig{'login'}})) {
foreach my $key (keys(%{$domconfig{'login'}})) {
if (ref($domconfig{'login'}{$key}) eq 'HASH') {
- if ($key eq 'loginvia') {
- if (ref($domconfig{'login'}{'loginvia'}) eq 'HASH') {
- foreach my $hostname (keys(%{$domconfig{'login'}{'loginvia'}})) {
- if (ref($domconfig{'login'}{'loginvia'}{$hostname}) eq 'HASH') {
- if ($domconfig{'login'}{'loginvia'}{$hostname}{'server'}) {
- my $server = $domconfig{'login'}{'loginvia'}{$hostname}{'server'};
- $designhash{$udom.'.login.loginvia'} = $server;
- if ($domconfig{'login'}{'loginvia'}{$hostname}{'serverpath'} eq 'custom') {
-
- $designhash{$udom.'.login.loginvia_'.$hostname} = $server.':'.$domconfig{'login'}{'loginvia'}{$hostname}{'custompath'};
- } else {
- $designhash{$udom.'.login.loginvia_'.$hostname} = $server.':'.$domconfig{'login'}{'loginvia'}{$hostname}{'serverpath'};
+ if (($key eq 'loginvia') || ($key eq 'headtag')) {
+ if (ref($domconfig{'login'}{$key}) eq 'HASH') {
+ foreach my $hostname (keys(%{$domconfig{'login'}{$key}})) {
+ if (ref($domconfig{'login'}{$key}{$hostname}) eq 'HASH') {
+ if ($key eq 'loginvia') {
+ if ($domconfig{'login'}{'loginvia'}{$hostname}{'server'}) {
+ my $server = $domconfig{'login'}{'loginvia'}{$hostname}{'server'};
+ $designhash{$udom.'.login.loginvia'} = $server;
+ if ($domconfig{'login'}{'loginvia'}{$hostname}{'serverpath'} eq 'custom') {
+ $designhash{$udom.'.login.loginvia_'.$hostname} = $server.':'.$domconfig{'login'}{'loginvia'}{$hostname}{'custompath'};
+ } else {
+ $designhash{$udom.'.login.loginvia_'.$hostname} = $server.':'.$domconfig{'login'}{'loginvia'}{$hostname}{'serverpath'};
+ }
}
- if ($domconfig{'login'}{'loginvia'}{$hostname}{'exempt'}) {
- $designhash{$udom.'.login.loginvia_exempt_'.$hostname} = $domconfig{'login'}{'loginvia'}{$hostname}{'exempt'};
+ } elsif ($key eq 'headtag') {
+ if ($domconfig{'login'}{'headtag'}{$hostname}{'url'}) {
+ $designhash{$udom.'.login.headtag_'.$hostname} = $domconfig{'login'}{'headtag'}{$hostname}{'url'};
}
}
+ if ($domconfig{'login'}{$key}{$hostname}{'exempt'}) {
+ $designhash{$udom.'.login.'.$key.'_exempt_'.$hostname} = $domconfig{'login'}{$key}{$hostname}{'exempt'};
+ }
}
}
}
@@ -7786,7 +7791,7 @@ var modalWindow = {
modalWindow.height = height;
modalWindow.content = "";
modalWindow.open();
- };
+ };
// END LON-CAPA Internal -->
// ]]>
@@ -15340,8 +15345,206 @@ sub search_courses {
=back
+=head1 Routines for version requirements for current course.
+
+=over 4
+
+=item * &check_release_required()
+
+Compares required LON-CAPA version with version on server, and
+if required version is newer looks for a server with the required version.
+
+Looks first at servers in user's owen domain; if none suitable, looks at
+servers in course's domain are permitted to host sessions for user's domain.
+
+Inputs:
+
+$loncaparev - Version on current server (format: Major.Minor.Subrelease-datestamp)
+
+$courseid - Course ID of current course
+
+$rolecode - User's current role in course (for switchserver query string).
+
+$required - LON-CAPA version needed by course (format: Major.Minor).
+
+
+Returns:
+
+$switchserver - query string tp append to /adm/switchserver call (if
+ current server's LON-CAPA version is too old.
+
+$warning - Message is displayed if no suitable server could be found.
+
=cut
+sub check_release_required {
+ my ($loncaparev,$courseid,$rolecode,$required) = @_;
+ my ($switchserver,$warning);
+ if ($required ne '') {
+ my ($reqdmajor,$reqdminor) = ($required =~ /^(\d+)\.(\d+)$/);
+ my ($major,$minor) = ($loncaparev =~ /^\'?(\d+)\.(\d+)\.[\w.\-]+\'?$/);
+ if ($reqdmajor ne '' && $reqdminor ne '') {
+ my $otherserver;
+ if (($major eq '' && $minor eq '') ||
+ (($reqdmajor > $major) || (($reqdmajor == $major) && ($reqdminor > $minor)))) {
+ my ($userdomserver) = &Apache::lonnet::choose_server($env{'user.domain'},undef,$required,1);
+ my $switchlcrev =
+ &Apache::lonnet::get_server_loncaparev($env{'user.domain'},
+ $userdomserver);
+ my ($swmajor,$swminor) = ($switchlcrev =~ /^\'?(\d+)\.(\d+)\.[\w.\-]+\'?$/);
+ if (($swmajor eq '' && $swminor eq '') || ($reqdmajor > $swmajor) ||
+ (($reqdmajor == $swmajor) && ($reqdminor > $swminor))) {
+ my $cdom = $env{'course.'.$courseid.'.domain'};
+ if ($cdom ne $env{'user.domain'}) {
+ my ($coursedomserver,$coursehostname) = &Apache::lonnet::choose_server($cdom,undef,$required,1);
+ my $serverhomeID = &Apache::lonnet::get_server_homeID($coursehostname);
+ my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID);
+ my %defdomdefaults = &Apache::lonnet::get_domain_defaults($serverhomedom);
+ my %udomdefaults = &Apache::lonnet::get_domain_defaults($env{'user.domain'});
+ my $remoterev = &Apache::lonnet::get_server_loncaparev($serverhomedom,$coursedomserver);
+ my $canhost =
+ &Apache::lonnet::can_host_session($env{'user.domain'},
+ $coursedomserver,
+ $remoterev,
+ $udomdefaults{'remotesessions'},
+ $defdomdefaults{'hostedsessions'});
+
+ if ($canhost) {
+ $otherserver = $coursedomserver;
+ } else {
+ $warning = &mt('Requires LON-CAPA version [_1].',$env{'course.'.$courseid.'.internal.releaserequired'}).'
'. &mt("No suitable server could be found amongst servers in either your own domain or in the course's domain.");
+ }
+ } else {
+ $warning = &mt('Requires LON-CAPA version [_1].',$env{'course.'.$courseid.'.internal.releaserequired'}).'
'.&mt("No suitable server could be found amongst servers in your own domain (which is also the course's domain).");
+ }
+ } else {
+ $otherserver = $userdomserver;
+ }
+ }
+ if ($otherserver ne '') {
+ $switchserver = 'otherserver='.$otherserver.'&role='.$rolecode;
+ }
+ }
+ }
+ return ($switchserver,$warning);
+}
+
+=pod
+
+=item * &check_release_result()
+
+Inputs:
+
+$switchwarning - Warning message if no suitable server found to host session.
+
+$switchserver - query string to append to /adm/switchserver containing lonHostID
+ and current role.
+
+Returns: HTML to display with information about requirement to switch server.
+ Either displaying warning with link to Roles/Courses screen or
+ display link to switchserver.
+
+=cut
+
+sub check_release_result {
+ my ($switchwarning,$switchserver) = @_;
+ my $output = &start_page('Selected course unavailable on this server').
+ '
';
+ if ($switchwarning) {
+ $output .= $switchwarning.'
';
+ if (&show_course()) {
+ $output .= &mt('Display courses');
+ } else {
+ $output .= &mt('Display roles');
+ }
+ $output .= '';
+ } elsif ($switchserver) {
+ $output .= &mt('This course requires a newer version of LON-CAPA than is installed on this server.').
+ '
'.
+ ''.
+ &mt('Switch Server').
+ '';
+ }
+ $output .= '