--- loncom/auth/lonroles.pm 2010/03/16 19:55:31 1.245
+++ loncom/auth/lonroles.pm 2012/07/21 21:09:03 1.269
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# User Roles Screen
#
-# $Id: lonroles.pm,v 1.245 2010/03/16 19:55:31 droeschl Exp $
+# $Id: lonroles.pm,v 1.269 2012/07/21 21:09:03 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -57,8 +57,7 @@ course they should act on, etc. Both in
handler determines via C's C<&allowed> function that a certain
action is not allowed, C is used as error handler. This
allows the user to select another role which may have permission to do
-what they were trying to do. C can also be accessed via the
-B button in the Remote Control.
+what they were trying to do.
=begin latex
@@ -204,13 +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'}) {
@@ -224,8 +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);
@@ -236,6 +266,7 @@ sub handler {
"request.course.fn" => '',
"request.course.uri" => '',
"request.course.sec" => '',
+ "request.course.tied" => '',
"request.role" => 'cm',
"request.role.adv" => $env{'user.adv'},
"request.role.domain" => $env{'user.domain'}});
@@ -247,7 +278,7 @@ sub handler {
($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;
}
@@ -260,7 +291,7 @@ sub handler {
my ($server_status,$home) = &check_author_homeserver($user,$domain);
if ($server_status eq 'switchserver') {
my $trolecode = 'au./'.$domain.'/';
- my $switchserver = '/adm/switchserver?otherserver='.$home.'&role='.$trolecode;
+ my $switchserver = '/adm/switchserver?otherserver='.$home.'&role='.$trolecode;
$r->internal_redirect($switchserver);
}
last;
@@ -271,7 +302,7 @@ sub handler {
my ($server_status,$home) = &check_author_homeserver($user,$domain);
if ($server_status eq 'switchserver') {
my $trolecode = 'ca./'.$domain.'/'.$user;
- my $switchserver = '/adm/switchserver?otherserver='.$home.'&role='.$trolecode;
+ my $switchserver = '/adm/switchserver?otherserver='.$home.'&role='.$trolecode;
$r->internal_redirect($switchserver);
}
last;
@@ -287,12 +318,12 @@ 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;
my $switchserver = '/adm/switchserver?'
- .'otherserver='.$home.'&role='.$trolecode;
+ .'otherserver='.$home.'&role='.$trolecode;
$r->internal_redirect($switchserver);
}
} else {
@@ -309,12 +340,48 @@ 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();
+ $r->print(&Apache::loncommon::start_page('Selected course unavailable on this server').
+ '');
+ if ($switchwarning) {
+ $r->print($switchwarning.'');
+ if (&Apache::loncommon::show_course()) {
+ $r->print(&mt('Display courses'));
+ } else {
+ $r->print(&mt('Display roles'));
+ }
+ $r->print(' ');
+ } elsif ($switchserver) {
+ $r->print(&mt('This course requires a newer version of LON-CAPA than is installed on this server.').
+ ' '.
+ ''.
+ &mt('Switch Server').
+ ' ');
+ }
+ $r->print('
'.&Apache::loncommon::end_page());
+ return OK;
+ }
+ }
+ }
+ }
# check for course groups
my %coursegroups = &Apache::lonnet::get_active_groups(
$env{'user.domain'},$env{'user.name'},$cdom, $cnum);
@@ -450,6 +517,13 @@ ENDENTERKEY
if (($ferr) && ($tadv)) {
&error_page($r,$ferr,$dest);
} else {
+ if ($dest =~ m{^/adm/coursedocs\?folderpath}) {
+ if ($env{'request.course.id'} eq $cdom.'_'.$cnum) {
+ my $chome = &Apache::lonnet::homeserver($cnum,$cdom);
+ &Apache::loncommon::update_content_constraints($cdom,$cnum,$chome,
+ $cdom.'_'.$cnum);
+ }
+ }
$r->internal_redirect($dest);
}
return OK;
@@ -529,10 +603,9 @@ ENDENTERKEY
if ($role =~ /^(au|ca|aa)$/) {
my $redirect_url = '/priv/';
if ($role eq 'au') {
- $redirect_url.=$env{'user.name'};
+ $redirect_url.=$env{'user.domain'}.'/'.$env{'user.name'};
} else {
- $where =~ /\/(.*)$/;
- $redirect_url .= $1;
+ $redirect_url .= $where;
}
$redirect_url .= '/';
&redirect_user($r,&mt('Entering Construction Space'),
@@ -602,8 +675,15 @@ function enterrole (thisform,rolecode,bu
thisform.submit();
} else {
alert('$standby');
- }
+ }
}
+
+function setToUpdate(thisform) {
+ thisform.doupdate.value='1';
+ thisform.selectrole.value='';
+ thisform.submit();
+}
+
// ]]>
ENDHEADER
@@ -664,13 +744,13 @@ ENDHEADER
}
}
}
-# -------------------------------------------------------- Choice or no choice?
if ($nochoose) {
$r->print("".&mt('Sorry ...')." \n".
&mt('This action is currently not authorized.').' '.
&Apache::loncommon::end_page());
return OK;
} else {
+ $r->print($updateresult);
if (($ENV{'REDIRECT_QUERY_STRING'}) && ($fn)) {
$fn.='?'.$ENV{'REDIRECT_QUERY_STRING'};
}
@@ -679,21 +759,44 @@ ENDHEADER
$r->print(' ');
$r->print(' ');
}
+ $r->rflush();
my (%roletext,%sortrole,%roleclass,%futureroles,%timezones);
my ($countactive,$countfuture,$inrole,$possiblerole) =
- &gather_roles($then,$refresh,$now,$reinit,$nochoose,\%roletext,\%sortrole,\%roleclass,
- \%futureroles,\%timezones);
-
+ &gather_roles($update,$refresh,$now,$reinit,$nochoose,\%roletext,\%sortrole,\%roleclass,
+ \%futureroles,\%timezones,$loncaparev);
$refresh = $now;
&Apache::lonnet::appenv({'user.refresh.time' => $refresh});
+ my $updatebutton = &mt('Check for role changes');
+ my $show_course=&Apache::loncommon::show_course();
+ if ($show_course) {
+ $updatebutton = &mt('Check for new courses');
+ }
+ my $do_update;
+ unless (($env{'form.source'} eq 'login') || ($env{'form.doupdate'})) {
+ $do_update = ' '.
+ ' ';
+ }
if ($env{'user.adv'}) {
- $r->print(' print(' checked="checked" '); }
- $r->print(' />'.&mt('Show all roles').' '
- .' '
- .'
');
+ my $showall = ' '.
+ ' ';
+ if ($do_update) {
+ $r->print('
'.
+ ''. &mt('Display').' '.
+ $showall.'
'.
+ '
'.
+ &mt('Changes?').' '.
+ $do_update.' ');
+ } else {
+ $r->print($showall);
+ }
} else {
+ $r->print(''.$do_update.'
');
if ($countactive > 0) {
$r->print(&Apache::loncoursequeueadmin::queued_selfenrollment());
my $domdesc = &Apache::lonnet::domain($env{'user.domain'},'description');
@@ -753,6 +856,13 @@ ENDHEADER
return OK;
}
# ----------------------------------------------------------------------- Table
+
+ if ($numdc > 0) {
+ $r->print(&coursepick_jscript());
+ $r->print(&Apache::loncommon::coursebrowser_javascript().
+ &Apache::loncommon::authorbrowser_javascript());
+ }
+
unless ((!&Apache::loncommon::show_course()) || ($nochoose) || ($countactive==1)) {
$r->print("".&mt('Select a Course to Enter')." \n");
}
@@ -764,28 +874,41 @@ ENDHEADER
$env{'form.destsymb'}.'" />');
}
}
+
my $doheaders = &roletable_headers($r,\%roleclass,\%sortrole,$nochoose);
if ($env{'environment.recentroles'}) {
my %recent_roles =
&Apache::lonhtmlcommon::get_recent('roles',$env{'environment.recentrolesn'});
my $output='';
- foreach (sort(keys(%recent_roles))) {
- if (ref($roletext{'user.role.'.$_}) eq 'ARRAY') {
+ foreach my $role (sort(keys(%recent_roles))) {
+ if (ref($roletext{'user.role.'.$role}) eq 'ARRAY') {
$output.= &Apache::loncommon::start_data_table_row().
- $roletext{'user.role.'.$_}->[0].
- &Apache::loncommon::end_data_table_row().
- &Apache::loncommon::continue_data_table_row().
- $roletext{'user.role.'.$_}->[1].
+ $roletext{'user.role.'.$role}->[0].
&Apache::loncommon::end_data_table_row();
- if ($_ =~ m-dc\./($match_domain)/-
+ if ($roletext{'user.role.'.$role}->[1] ne '') {
+ $output .= &Apache::loncommon::continue_data_table_row().
+ $roletext{'user.role.'.$role}->[1].
+ &Apache::loncommon::end_data_table_row();
+ }
+ if ($role =~ m{dc\./($match_domain)/}
&& $dcroles{$1}) {
$output .= &adhoc_roles_row($1,'recent');
}
} elsif ($numdc > 0) {
- unless ($_ =~/^error\:/) {
- $output.=&display_cc_role('user.role.'.$_);
+ unless ($role =~/^error\:/) {
+ my ($roletext,$role_text_end) = &display_cc_role('user.role.'.$role);
+ if ($roletext) {
+ $output.= &Apache::loncommon::start_data_table_row().
+ $roletext.
+ &Apache::loncommon::end_data_table_row();
+ if ($role_text_end) {
+ $output .= &Apache::loncommon::continue_data_table_row().
+ $role_text_end.
+ &Apache::loncommon::end_data_table_row();
+ }
+ }
}
- }
+ }
}
if ($output) {
$r->print(&Apache::loncommon::start_data_table_empty_row()
@@ -798,12 +921,6 @@ ENDHEADER
$doheaders ++;
}
}
-
- if ($numdc > 0) {
- $r->print(&coursepick_jscript());
- $r->print(&Apache::loncommon::coursebrowser_javascript().
- &Apache::loncommon::authorbrowser_javascript());
- }
&print_rolerows($r,$doheaders,\%roleclass,\%sortrole,\%dcroles,\%roletext);
if ($countactive > 1) {
my $tremark='';
@@ -839,7 +956,12 @@ ENDHEADER
$r->print(''.&mt('Current Privileges').' ');
$r->print(&privileges_info());
}
- $r->print(&Apache::lonnet::getannounce());
+ my $announcements = &Apache::lonnet::getannounce();
+ $r->print(
+ ' '.
+ ''.&mt('Announcements').' '.
+ $announcements
+ ) unless (!$announcements);
if ($advanced) {
my $esc_dom = &HTML::Entities::encode($env{'user.domain'},'"<>&');
$r->print(''
@@ -855,29 +977,24 @@ ENDHEADER
}
sub gather_roles {
- my ($then,$refresh,$now,$reinit,$nochoose,$roletext,$sortrole,$roleclass,$futureroles,$timezones) = @_;
+ my ($update,$refresh,$now,$reinit,$nochoose,$roletext,$sortrole,$roleclass,$futureroles,$timezones,$loncaparev) = @_;
my ($countactive,$countfuture,$inrole,$possiblerole) = (0,0,0,'');
my $advanced = $env{'user.adv'};
my $tryagain = $env{'form.tryagain'};
+ my @ids = &Apache::lonnet::current_machine_ids();
foreach my $envkey (sort(keys(%env))) {
my $button = 1;
my $switchserver='';
+ my $switchwarning;
my ($role_text,$role_text_end,$sortkey);
if ($envkey=~/^user\.role\./) {
my ($role,$where,$trolecode,$tstart,$tend,$tremark,$tstatus,$tpstart,$tpend);
- &Apache::lonnet::role_status($envkey,$then,$refresh,$now,\$role,\$where,
+ &Apache::lonnet::role_status($envkey,$update,$refresh,$now,\$role,\$where,
\$trolecode,\$tstatus,\$tstart,\$tend);
next if (!defined($role) || $role eq '' || $role =~ /^gr/);
- my $timezone = &role_timezone($where,$timezones);
$tremark='';
$tpstart=' ';
$tpend=' ';
- if ($tstart) {
- $tpstart=&Apache::lonlocal::locallocaltime($tstart,$timezone);
- }
- if ($tend) {
- $tpend=&Apache::lonlocal::locallocaltime($tend,$timezone);
- }
if ($env{'request.role'} eq $trolecode) {
$tstatus='selected';
}
@@ -886,6 +1003,13 @@ sub gather_roles {
|| ($tstatus eq 'selected')
|| ($tstatus eq 'future')
|| ($env{'form.showall'})) {
+ my $timezone = &role_timezone($where,$timezones);
+ if ($tstart) {
+ $tpstart=&Apache::lonlocal::locallocaltime($tstart,$timezone);
+ }
+ if ($tend) {
+ $tpend=&Apache::lonlocal::locallocaltime($tend,$timezone);
+ }
if ($tstatus eq 'is') {
$tbg='LC_roles_is';
$possiblerole=$trolecode;
@@ -911,7 +1035,7 @@ sub gather_roles {
if ($role =~ /^cr\//) {
my ($rdummy,$rdomain,$rauthor,$rrole)=split(/\//,$role);
if ($tremark) { $tremark.=' '; }
- $tremark.=&mt('Defined by [_1] at [_2].',$rauthor,$rdomain);
+ $tremark.=&mt('Customrole defined by [_1].',$rauthor.':'.$rdomain);
}
$trole=Apache::lonnet::plaintext($role);
my $ttype;
@@ -922,11 +1046,10 @@ sub gather_roles {
if (($role eq 'ca') || ($role eq 'aa')) {
my $home = &Apache::lonnet::homeserver($trest,$tdom);
my $allowed=0;
- my @ids=&Apache::lonnet::current_machine_ids();
foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
if (!$allowed) {
$button=0;
- $switchserver='otherserver='.$home.'&role='.$trolecode;
+ $switchserver='otherserver='.$home.'&role='.$trolecode;
}
#next if ($home eq 'no_host');
$home = &Apache::lonnet::hostname($home);
@@ -942,11 +1065,10 @@ sub gather_roles {
my $home = &Apache::lonnet::homeserver
($env{'user.name'},$env{'user.domain'});
my $allowed=0;
- my @ids=&Apache::lonnet::current_machine_ids();
foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
if (!$allowed) {
$button=0;
- $switchserver='otherserver='.$home.'&role='.$trolecode;
+ $switchserver='otherserver='.$home.'&role='.$trolecode;
}
#next if ($home eq 'no_host');
$home = &Apache::lonnet::hostname($home);
@@ -961,24 +1083,47 @@ sub gather_roles {
$ttype = &Apache::loncommon::course_type($tcourseid);
$trole = &Apache::lonnet::plaintext($role,$ttype,$tcourseid);
if ($env{'course.'.$tcourseid.'.description'}) {
+ my $home=$env{'course.'.$tcourseid.'.home'};
$twhere=$env{'course.'.$tcourseid.'.description'};
$sortkey=$role."\0".$tdom."\0".$twhere."\0".$envkey;
+ $twhere = &HTML::Entities::encode($twhere,'"<>&');
unless ($twhere eq &mt('Currently not available')) {
$twhere.=' '.
&Apache::loncommon::syllabuswrapper(&mt('Syllabus'),$trest,$tdom).
' ';
+ unless ($home && grep(/^\Q$home\E$/,@ids) && $loncaparev eq '') {
+ my $required = $env{'course.'.$tcourseid.'.internal.releaserequired'};
+ if ($required ne '') {
+ ($switchserver,$switchwarning) =
+ &check_release_required($loncaparev,$tcourseid,$trolecode,$required);
+ if ($switchserver || $switchwarning) {
+ $button = 0;
+ }
+ }
+ }
}
} else {
my %newhash=&Apache::lonnet::coursedescription($tcourseid);
if (%newhash) {
$sortkey=$role."\0".$tdom."\0".$newhash{'description'}.
"\0".$envkey;
- $twhere=$newhash{'description'}.
- ' '.
- &Apache::loncommon::syllabuswrapper(&mt('Syllabus'),$trest,$tdom).
- ' ';
+ $twhere=&HTML::Entities::encode($newhash{'description'},'"<>&').
+ ' '.
+ &Apache::loncommon::syllabuswrapper(&mt('Syllabus'),$trest,$tdom).
+ ' ';
$ttype = $newhash{'type'};
$trole = &Apache::lonnet::plaintext($role,$ttype,$tcourseid);
+ my $home = $newhash{'home'};
+ unless ($home && grep(/^\Q$home\E$/,@ids) && $loncaparev eq '') {
+ my $required = $newhash{'internal.releaserequired'};
+ if ($required ne '') {
+ ($switchserver,$switchwarning) =
+ &check_release_required($loncaparev,$tcourseid,$trolecode,$required);
+ if ($switchserver || $switchwarning) {
+ $button = 0;
+ }
+ }
+ }
} else {
$twhere=&mt('Currently not available');
$env{'course.'.$tcourseid.'.description'}=$twhere;
@@ -1002,7 +1147,7 @@ sub gather_roles {
($role_text,$role_text_end) =
&build_roletext($trolecode,$tdom,$trest,$tstatus,$tryagain,
$advanced,$tremark,$tbg,$trole,$twhere,$tpstart,
- $tpend,$nochoose,$button,$switchserver,$reinit);
+ $tpend,$nochoose,$button,$switchserver,$reinit,$switchwarning);
$roletext->{$envkey}=[$role_text,$role_text_end];
if (!$sortkey) {$sortkey=$twhere."\0".$envkey;}
$sortrole->{$sortkey}=$envkey;
@@ -1022,9 +1167,15 @@ sub role_timezone {
my $cnum = $2;
if ($cdom && $cnum) {
if (!exists($timezones->{$cdom.'_'.$cnum})) {
- my %timehash =
- &Apache::lonnet::get('environment',['timezone'],$cdom,$cnum);
- if ($timehash{'timezone'} eq '') {
+ my $tz;
+ if ($env{'course.'.$cdom.'_'.$cnum.'.description'}) {
+ $tz = $env{'course.'.$cdom.'_'.$cnum.'.timezone'};
+ } else {
+ my %timehash =
+ &Apache::lonnet::get('environment',['timezone'],$cdom,$cnum);
+ $tz = $timehash{'timezone'};
+ }
+ if ($tz eq '') {
if (!exists($timezones->{$cdom})) {
my %domdefaults =
&Apache::lonnet::get_domain_defaults($cdom);
@@ -1037,7 +1188,7 @@ sub role_timezone {
$timezones->{$cdom.'_'.$cnum} = $timezones->{$cdom};
} else {
$timezones->{$cdom.'_'.$cnum} =
- &Apache::lonlocal::gettimezone($timehash{'timezone'});
+ &Apache::lonlocal::gettimezone($tz);
}
}
$timezone = $timezones->{$cdom.'_'.$cnum};
@@ -1110,10 +1261,12 @@ sub print_rolerows {
if (ref($roletext->{$sortrole->{$which}}) eq 'ARRAY') {
$output.= &Apache::loncommon::start_data_table_row().
$roletext->{$sortrole->{$which}}->[0].
- &Apache::loncommon::end_data_table_row().
- &Apache::loncommon::continue_data_table_row().
- $roletext->{$sortrole->{$which}}->[1].
&Apache::loncommon::end_data_table_row();
+ if ($roletext->{$sortrole->{$which}}->[1] ne '') {
+ $output .= &Apache::loncommon::continue_data_table_row().
+ $roletext->{$sortrole->{$which}}->[1].
+ &Apache::loncommon::end_data_table_row();
+ }
}
if ($sortrole->{$which} =~ m-dc\./($match_domain)/-) {
if (ref($dcroles) eq 'HASH') {
@@ -1272,7 +1425,7 @@ sub privileges_info {
}
sub build_roletext {
- my ($trolecode,$tdom,$trest,$tstatus,$tryagain,$advanced,$tremark,$tbg,$trole,$twhere,$tpstart,$tpend,$nochoose,$button,$switchserver,$reinit) = @_;
+ my ($trolecode,$tdom,$trest,$tstatus,$tryagain,$advanced,$tremark,$tbg,$trole,$twhere,$tpstart,$tpend,$nochoose,$button,$switchserver,$reinit,$switchwarning) = @_;
my ($roletext,$roletext_end);
my $is_dc=($trolecode =~ m/^dc\./);
my $rowspan=($is_dc) ? ''
@@ -1290,6 +1443,13 @@ sub build_roletext {
} else {
$roletext.=(' ');
}
+ if ($switchwarning) {
+ if ($tremark eq '') {
+ $tremark = $switchwarning;
+ } else {
+ $tremark .= ' '.$switchwarning;
+ }
+ }
} elsif ($tstatus eq 'is') {
$roletext.=''.
' '.&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='.$trolecode;
+ }
+ }
+ }
+ return ($switchserver,$warning);
+}
+
sub courselink {
my ($dcdom,$rowtype) = @_;
my $courseform=&Apache::loncommon::selectcourse_link
@@ -1540,16 +1758,18 @@ sub display_cc_role {
unless ($rolekey =~/^error\:/) {
if ($rolekey =~ m{^user\.role\.(cc|co)\./($match_domain)/($match_courseid)$}) {
my $ccrole = $1;
- my $tcourseid = $2.'_'.$3;
- my $trolecode = $1.'./'.$2.'/'.$3;
+ my $tdom = $2;
+ my $trest = $3;
+ my $tcourseid = $tdom.'_'.$trest;
+ my $trolecode = $ccrole.'./'.$tdom.'/'.$trest;
my $twhere;
my $ttype;
my $tbg='LC_roles_is';
my %newhash=&Apache::lonnet::coursedescription($tcourseid);
if (%newhash) {
$twhere=$newhash{'description'}.
- ' '.
- &Apache::loncommon::syllabuswrapper(&mt('Syllabus'),$2,$1).
+ ' '.
+ &Apache::loncommon::syllabuswrapper(&mt('Syllabus'),$trest,$tdom).
' ';
$ttype = $newhash{'type'};
} else {
@@ -1557,8 +1777,8 @@ sub display_cc_role {
$env{'course.'.$tcourseid.'.description'}=$twhere;
}
my $trole = &Apache::lonnet::plaintext($ccrole,$ttype,$tcourseid);
- $twhere.=" ".&mt('Domain').":".$1;
- ($roletext,$roletext_end) = &build_roletext($trolecode,$1,$2,'is',$tryagain,$advanced,'',$tbg,$trole,$twhere,'','','',1,'');
+ $twhere.=" ".&mt('Domain').":".$tdom;
+ ($roletext,$roletext_end) = &build_roletext($trolecode,$tdom,$trest,'is',$tryagain,$advanced,'',$tbg,$trole,$twhere,'','','',1,'');
}
}
return ($roletext,$roletext_end);
@@ -1576,7 +1796,7 @@ sub adhoc_roles_row {
my $carole = &Apache::lonnet::plaintext('ca');
my $selectcalink = &coauthorlink($dcdom,$rowtype);
$output.=$ccrole.': '.$selectcclink
- .' | '.$carole.': '.$selectcalink
+ .' | '.$carole.': '.$selectcalink.' '
.&Apache::loncommon::end_data_table_row();
return $output;
}
@@ -1603,6 +1823,644 @@ sub courseloadpage {
return $startpage;
}
+sub update_session_roles {
+ my $then=$env{'user.login.time'};
+ my $refresh=$env{'user.refresh.time'};
+ if (!$refresh) {
+ $refresh = $then;
+ }
+ my $update = $env{'user.update.time'};
+ if (!$update) {
+ $update = $then;
+ }
+ my $now = time;
+ my %roleshash =
+ &Apache::lonnet::get_my_roles('','','userroles',
+ ['active','future','previous'],
+ undef,undef,1);
+ my ($msg,@newsec,$oldsec,$currrole_expired,@changed_roles,
+ %changed_groups,%dbroles,%deletedroles,%allroles,%allgroups,
+ %userroles,%checkedgroup,%crprivs,$hasgroups,%rolechange,
+ %groupchange,%newrole,%newgroup,%customprivchg,%groups_roles,
+ @rolecodes);
+ my @possroles = ('cr','st','ta','ad','ep','in','co','cc');
+ my %courseroles;
+ foreach my $item (keys(%roleshash)) {
+ my ($uname,$udom,$role,$remainder) = split(/:/,$item,4);
+ my ($tstart,$tend) = split(/:/,$roleshash{$item});
+ my ($section,$group,@group_privs);
+ if ($role =~ m{^gr/(\w*)$}) {
+ $role = 'gr';
+ my $priv = $1;
+ next if ($tstart eq '-1');
+ if (&curr_role_status($tstart,$tend,$refresh,$now) eq 'active') {
+ if ($priv ne '') {
+ push(@group_privs,$priv);
+ }
+ }
+ if ($remainder =~ /:/) {
+ (my $additional_privs,$group) =
+ ($remainder =~ /^([\w:]+):([^:]+)$/);
+ if ($additional_privs ne '') {
+ if (&curr_role_status($tstart,$tend,$refresh,$now) eq 'active') {
+ push(@group_privs,split(/:/,$additional_privs));
+ @group_privs = sort(@group_privs);
+ }
+ }
+ } else {
+ $group = $remainder;
+ }
+ } else {
+ $section = $remainder;
+ }
+ my $where = "/$udom/$uname";
+ if ($section ne '') {
+ $where .= "/$section";
+ } elsif ($group ne '') {
+ $where .= "/$group";
+ }
+ my $rolekey = "$role.$where";
+ my $envkey = "user.role.$rolekey";
+ $dbroles{$envkey} = 1;
+ if (($env{'request.role'} eq $rolekey) && ($role ne 'st')) {
+ if (&curr_role_status($tstart,$tend,$refresh,$now) ne 'active') {
+ $currrole_expired = 1;
+ }
+ }
+ if ($env{$envkey} eq '') {
+ my $status_in_db =
+ &curr_role_status($tstart,$tend,$refresh,$now);
+ &gather_roleprivs(\%allroles,\%allgroups,\%userroles,$where,$role,$tstart,$tend,$status_in_db);
+ if (($role eq 'st') && ($env{'request.role'} =~ m{^\Q$role\E\.\Q/$udom/$uname\E})) {
+ if ($status_in_db eq 'active') {
+ if ($section eq '') {
+ push(@newsec,'none');
+ } else {
+ push(@newsec,$section);
+ }
+ }
+ } else {
+ unless (grep(/^\Q$role\E$/,@changed_roles)) {
+ push(@changed_roles,$role);
+ }
+ if ($status_in_db ne 'previous') {
+ if ($role eq 'gr') {
+ $newgroup{$rolekey} = $status_in_db;
+ if ($status_in_db eq 'active') {
+ unless (ref($courseroles{$udom}) eq 'HASH') {
+ %{$courseroles{$udom}} =
+ &Apache::lonnet::get_my_roles('','','userroles',
+ ['active'],\@possroles,
+ [$udom],1);
+ }
+ &Apache::lonnet::get_groups_roles($udom,$uname,
+ $courseroles{$udom},
+ \@rolecodes,\%groups_roles);
+ }
+ } else {
+ $newrole{$rolekey} = $status_in_db;
+ }
+ }
+ }
+ } else {
+ my ($currstart,$currend) = split(/\./,$env{$envkey});
+ if ($role eq 'gr') {
+ if (&curr_role_status($currstart,$currend,$refresh,$update) ne 'previous') {
+ $hasgroups = 1;
+ }
+ }
+ if (($currstart ne $tstart) || ($currend ne $tend)) {
+ my $status_in_env =
+ &curr_role_status($currstart,$currend,$refresh,$update);
+ my $status_in_db =
+ &curr_role_status($tstart,$tend,$refresh,$now);
+ if ($status_in_env ne $status_in_db) {
+ if ($status_in_env eq 'active') {
+ if ($role eq 'st') {
+ if ($env{'request.role'} eq $rolekey) {
+ my $switchsection;
+ unless (ref($courseroles{$udom}) eq 'HASH') {
+ %{$courseroles{$udom}} =
+ &Apache::lonnet::get_my_roles('','','userroles',
+ ['active'],
+ \@possroles,[$udom],1);
+ }
+ foreach my $crsrole (keys(%{$courseroles{$udom}})) {
+ if ($crsrole =~ /^\Q$uname\E:\Q$udom\E:st/) {
+ $switchsection = 1;
+ last;
+ }
+ }
+ if ($switchsection) {
+ if ($section eq '') {
+ $oldsec = 'none';
+ } else {
+ $oldsec = $section;
+ }
+ &gather_roleprivs(\%allroles,\%allgroups,\%userroles,$where,$role,$tstart,$tend,$status_in_db);
+ } else {
+ $currrole_expired = 1;
+ next;
+ }
+ }
+ }
+ unless ($rolekey eq $env{'request.role'}) {
+ if ($role eq 'gr') {
+ &Apache::lonnet::delete_env_groupprivs($where,\%courseroles,\@possroles);
+ } else {
+ &Apache::lonnet::delenv("user.priv.$rolekey",undef,[$role]);
+ &Apache::lonnet::delenv("user.priv.cm.$where",undef,['cm']);
+ }
+ &gather_roleprivs(\%allroles,\%allgroups,\%userroles,$where,$role,$tstart,$tend,$status_in_db);
+ }
+ } elsif ($status_in_db eq 'active') {
+ if (($role eq 'st') &&
+ ($env{'request.role'} =~ m{^\Q$role\E\.\Q/$udom/$uname\E})) {
+ if ($section eq '') {
+ push(@newsec,'none');
+ } else {
+ push(@newsec,$section);
+ }
+ } elsif ($role eq 'gr') {
+ unless (ref($courseroles{$udom}) eq 'HASH') {
+ %{$courseroles{$udom}} =
+ &Apache::lonnet::get_my_roles('','','userroles',
+ ['active'],
+ \@possroles,[$udom],1);
+ }
+ &Apache::lonnet::get_groups_roles($udom,$uname,
+ $courseroles{$udom},
+ \@rolecodes,\%groups_roles);
+ }
+ &gather_roleprivs(\%allroles,\%allgroups,\%userroles,$where,$role,$tstart,$tend,$status_in_db);
+ }
+ unless (grep(/^\Q$role\E$/,@changed_roles)) {
+ push(@changed_roles,$role);
+ }
+ if ($role eq 'gr') {
+ $groupchange{"/$udom/$uname"}{$group} = $status_in_db;
+ } else {
+ $rolechange{$rolekey} = $status_in_db;
+ }
+ }
+ } else {
+ if ($role eq 'gr') {
+ unless ($checkedgroup{$where}) {
+ my $status_in_db =
+ &curr_role_status($tstart,$tend,$refresh,$now);
+ if ($tstart eq '-1') {
+ $status_in_db = 'deleted';
+ }
+ unless (ref($courseroles{$udom}) eq 'HASH') {
+ %{$courseroles{$udom}} =
+ &Apache::lonnet::get_my_roles('','','userroles',
+ ['active'],
+ \@possroles,[$udom],1);
+ }
+ if (ref($courseroles{$udom}) eq 'HASH') {
+ foreach my $item (keys(%{$courseroles{$udom}})) {
+ next unless ($item =~ /^\Q$uname\E/);
+ my ($cnum,$cdom,$crsrole,$crssec) = split(/:/,$item);
+ my $area = '/'.$cdom.'/'.$cnum;
+ if ($crssec ne '') {
+ $area .= '/'.$crssec;
+ }
+ my $crsrolekey = $crsrole.'.'.$area;
+ my $currprivs = $env{'user.priv.'.$crsrole.'.'.$area.'.'.$where};
+ $currprivs =~ s/^://;
+ $currprivs =~ s/\&F$//;
+ my @curr_grp_privs = split(/\&F:/,$currprivs);
+ @curr_grp_privs = sort(@curr_grp_privs);
+ my @diffs;
+ if (@group_privs > 0 || @curr_grp_privs > 0) {
+ @diffs = &Apache::loncommon::compare_arrays(\@group_privs,\@curr_grp_privs);
+ }
+ if (@diffs == 0) {
+ last;
+ } else {
+ unless(grep(/^\Qgr\E$/,@rolecodes)) {
+ push(@rolecodes,'gr');
+ }
+ &gather_roleprivs(\%allroles,\%allgroups,
+ \%userroles,$where,$role,
+ $tstart,$tend,$status_in_db);
+ if ($status_in_db eq 'active') {
+ &Apache::lonnet::get_groups_roles($udom,$uname,
+ $courseroles{$udom},
+ \@rolecodes,\%groups_roles);
+ }
+ $changed_groups{$udom.'_'.$uname}{$group} = $status_in_db;
+ last;
+ }
+ }
+ }
+ $checkedgroup{$where} = 1;
+ }
+ } elsif ($role =~ /^cr/) {
+ my $status_in_db =
+ &curr_role_status($tstart,$tend,$refresh,$now);
+ my ($rdummy,$rest) = split(/\//,$role,2);
+ my ($rdummy,$rdomain,$rauthor,$rrole)=split(/\//,$role);
+ my %currpriv;
+ unless (exists($crprivs{$rest})) {
+ my ($rdomain,$rauthor,$rrole)=split(/\//,$rest);
+ my $homsvr=&Apache::lonnet::homeserver($rauthor,$rdomain);
+ if (&Apache::lonnet::hostname($homsvr) ne '') {
+ my ($rdummy,$roledef)=
+ &Apache::lonnet::get('roles',["rolesdef_$rrole"],
+ $rdomain,$rauthor);
+ if (($rdummy ne 'con_lost') && ($roledef ne '')) {
+ my $i = 0;
+ my @scopes = ('sys','dom','crs');
+ my @privs = split(/\_/,$roledef);
+ foreach my $priv (@privs) {
+ my ($blank,@prv) = split(/:/,$priv);
+ @prv = map { $_ .= (/\&\w+$/ ? '':'&F') } @prv;
+ if (@prv) {
+ $priv = ':'.join(':',sort(@prv));
+ }
+ $crprivs{$rest}{$scopes[$i]} = $priv;
+ $i++;
+ }
+ }
+ }
+ }
+ $currpriv{sys} = $env{"user.priv.$rolekey./"};
+ $currpriv{dom} = $env{"user.priv.$rolekey./$udom/"};
+ $currpriv{crs} = $env{"user.priv.$rolekey.$where"};
+ if (keys(%crprivs)) {
+ if (($crprivs{$rest}{sys} ne $currpriv{sys}) ||
+ ($crprivs{$rest}{dom} ne $currpriv{dom})
+ ||
+ ($crprivs{$rest}{crs} ne $currpriv{crs})) {
+ &gather_roleprivs(\%allroles,\%allgroups,\%userroles,$where,$role,$tstart,$tend,$status_in_db);
+ unless (grep(/^\Q$role\E$/,@changed_roles)) {
+ push(@changed_roles,$role);
+ }
+ my $status_in_env =
+ &curr_role_status($currstart,$currend,$refresh,$update);
+ if ($status_in_env eq 'active') {
+ $customprivchg{$rolekey} = $status_in_env;
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ foreach my $envkey (keys(%env)) {
+ next unless ($envkey =~ /^user\.role\./);
+ next if ($dbroles{$envkey});
+ next if ($envkey eq 'user.role.'.$env{'request.role'});
+ my ($currstart,$currend) = split(/\./,$env{$envkey});
+ my $status_in_env =
+ &curr_role_status($currstart,$currend,$refresh,$update);
+ my ($rolekey) = ($envkey =~ /^user\.role\.(.+)$/);
+ my ($role,$rest)=split(/\./,$rolekey,2);
+ if (&Apache::lonnet::delenv($envkey,undef,[$role])) {
+ if ($status_in_env eq 'active') {
+ if ($role eq 'gr') {
+ &Apache::lonnet::delete_env_groupprivs($rest,\%courseroles,
+ \@possroles);
+ } else {
+ &Apache::lonnet::delenv("user.priv.$rolekey",undef,[$role]);
+ &Apache::lonnet::delenv("user.priv.cm.$rest",undef,['cm']);
+ }
+ unless (grep(/^\Q$role\E$/,@changed_roles)) {
+ push(@changed_roles,$role);
+ }
+ $deletedroles{$rolekey} = 1;
+ }
+ }
+ }
+ if (($oldsec) && (@newsec > 0)) {
+ if (@newsec > 1) {
+ $msg = '
'.&mt('The section has changed for your current role. Log-out and log-in again to select a role for the new section.').'
';
+ } else {
+ my $newrole = $env{'request.role'};
+ if ($newsec[0] eq 'none') {
+ $newrole =~ s{(/[^/])$}{};
+ } elsif ($oldsec eq 'none') {
+ $newrole .= '/'.$newsec[0];
+ } else {
+ $newrole =~ s{([^/]+)$}{$newsec[0]};
+ }
+ my $coursedesc = $env{'course.'.$env{'request.course.id'}.'.description'};
+ my ($curr_role) = ($env{'request.role'} =~ m{^(\w+)\./$match_domain/$match_courseid});
+ my %temp=('logout_'.$env{'request.course.id'} => time);
+ &Apache::lonnet::put('email_status',\%temp);
+ &Apache::lonnet::delenv('user.state.'.$env{'request.course.id'});
+ &Apache::lonnet::appenv({"request.course.id" => '',
+ "request.course.fn" => '',
+ "request.course.uri" => '',
+ "request.course.sec" => '',
+ "request.role" => 'cm',
+ "request.role.adv" => $env{'user.adv'},
+ "request.role.domain" => $env{'user.domain'}});
+ my $rolename = &Apache::loncommon::plainname($curr_role);
+ $msg = '
'.
+ ' '.
+ ' '.
+ ''.
+ &mt('Your section has changed for your current [_1] role in [_2].',$rolename,$coursedesc).' ';
+ my $button = ' ';
+ if ($newsec[0] eq 'none') {
+ $msg .= &mt('[_1] to continue with your new section-less role.',$button);
+ } else {
+ $msg .= &mt('[_1] to continue with your new role in section ([_2]).',$button,$newsec[0]);
+ }
+ $msg .= '';
+ }
+ } elsif ($currrole_expired) {
+ $msg .= '';
+ if (&Apache::loncommon::show_course()) {
+ $msg .= &mt('Your role in the current course has expired.');
+ } else {
+ $msg .= &mt('Your current role has expired.');
+ }
+ $msg .= ' '.&mt('However you can continue to use this role until you logout, click the "Re-Select" button, or your session has been idle for more than 24 hours.').'
';
+ }
+ if (!@changed_roles || !(keys(%changed_groups))) {
+ my ($rolesmsg,$groupsmsg);
+ if (!@changed_roles) {
+ if (&Apache::loncommon::show_course()) {
+ $rolesmsg = &mt('No new courses or communities');
+ } else {
+ $rolesmsg = &mt('No role changes');
+ }
+ }
+ if ($hasgroups && !(keys(%changed_groups)) && !(grep(/gr/,@changed_roles))) {
+ $groupsmsg = &mt('No changes in course/community groups');
+ }
+ if (!@changed_roles && !(keys(%changed_groups))) {
+ if (($msg ne '') || ($groupsmsg ne '')) {
+ $msg .= '';
+ if ($rolesmsg) {
+ $msg .= ''.$rolesmsg.' ';
+ }
+ if ($groupsmsg) {
+ $msg .= ''.$groupsmsg.' ';
+ }
+ $msg .= ' ';
+ } else {
+ $msg = ' '.$rolesmsg.' ';
+ }
+ return $msg;
+ }
+ }
+ my $changemsg;
+ if (@changed_roles > 0) {
+ if (keys(%newgroup) > 0) {
+ my $groupmsg;
+ foreach my $item (sort(keys(%newgroup))) {
+ if (&is_active_course($item,$refresh,$update,\%roleshash)) {
+ $groupmsg .= ''.
+ &mt('[_1] with status: [_2].',
+ $item,$newgroup{$item}).' ';
+ }
+ }
+ if ($groupmsg) {
+ $changemsg .= ''.
+ &mt('Courses with new groups').' '.
+ '';
+ }
+ }
+ if (keys(%newrole) > 0) {
+ $changemsg .= ''.&mt('New roles').
+ '';
+ foreach my $item (sort(keys(%newrole))) {
+ $changemsg .= ''.
+ &mt('[_1] with status: [_2].',
+ $item,$newrole{$item}).' ';
+ }
+ $changemsg .= ' ';
+ }
+ if (keys(%customprivchg) > 0) {
+ $changemsg .= ''.
+ &mt('Custom roles with privilege changes').
+ '';
+ foreach my $item (sort(keys(%customprivchg))) {
+ $changemsg .= ''.$item.' ';
+ }
+ $changemsg .= ' ';
+ }
+ if (keys(%rolechange) > 0) {
+ $changemsg .= ''.
+ &mt('Existing roles with status changes').' '.
+ '';
+ foreach my $item (sort(keys(%rolechange))) {
+ $changemsg .= ''.
+ &mt('[_1] status now: [_2].',$item,
+ $rolechange{$item}).' ';
+ }
+ $changemsg .= ' ';
+ }
+ if (keys(%deletedroles) > 0) {
+ $changemsg .= ''.
+ &mt('Existing roles now expired').' '.
+ '';
+ foreach my $item (sort(keys(%deletedroles))) {
+ $changemsg .= ''.$item.' ';
+ }
+ $changemsg .= ' ';
+ }
+ }
+ if ((keys(%changed_groups) > 0) || (keys(%groupchange) > 0)) {
+ my $groupchgmsg;
+ foreach my $key (sort(keys(%changed_groups))) {
+ my $crs = 'gr/'.$key;
+ $crs =~ s/_/\//;
+ if (&is_active_course($crs,$refresh,$update,\%roleshash)) {
+ if (ref($changed_groups{$key}) eq 'HASH') {
+ my @showgroups;
+ foreach my $group (sort(keys(%{$changed_groups{$key}}))) {
+ if ($changed_groups{$key}{$group} eq 'active') {
+ push(@showgroups,$group);
+ }
+ }
+ if (@showgroups > 0) {
+ $groupchgmsg .= ''.
+ &mt('Course: [_1], groups: [_2].',$key,
+ join(', ',@showgroups)).
+ ' ';
+ }
+ }
+ }
+ }
+ if (keys(%groupchange) > 0) {
+ $groupchgmsg .= ''.
+ &mt('Existing course/community groups with status changes').' '.
+ '';
+ foreach my $crs (sort(keys(%groupchange))) {
+ if (ref($groupchange{$crs}) eq 'HASH') {
+ $groupchgmsg .= ''.&mt('Course/Community: [_1]',''.$crs.' ');
+ foreach my $group (sort(keys(%{$groupchange{$crs}}))) {
+ $groupchgmsg .= ''.&mt('Group: [_1] status now: [_2].',''.$group.' ',$groupchange{$crs}{$group}).' ';
+ }
+ $groupchgmsg .= ' ';
+ }
+ }
+ $groupchgmsg .= ' ';
+ }
+ if ($groupchgmsg) {
+ $changemsg .= ''.
+ &mt('Courses with changes in groups').' '.
+ '';
+ }
+ }
+ if ($changemsg) {
+ $msg .= '';
+ }
+ &Apache::lonnet::set_userprivs(\%userroles,\%allroles,\%allgroups,\%groups_roles);
+ my ($curr_is_adv,$curr_role_adv,$curr_author,$curr_role_author);
+ $curr_author = $env{'user.author'};
+ if (($env{'request.role'} =~/^au/) || ($env{'request.role'} =~/^ca/) ||
+ ($env{'request.role'} =~/^aa/)) {
+ $curr_role_author=1;
+ }
+ $curr_is_adv = $env{'user.adv'};
+ $curr_role_adv = $env{'request.role.adv'};
+ if (keys(%userroles) > 0) {
+ foreach my $role (@changed_roles) {
+ unless(grep(/^\Q$role\E$/,@rolecodes)) {
+ push(@rolecodes,$role);
+ }
+ }
+ unless(grep(/^\Qcm\E$/,@rolecodes)) {
+ push(@rolecodes,'cm');
+ }
+ &Apache::lonnet::appenv(\%userroles,\@rolecodes);
+ }
+ my %newenv;
+ if (&Apache::lonnet::is_advanced_user($env{'user.domain'},$env{'user.name'})) {
+ unless ($curr_is_adv) {
+ $newenv{'user.adv'} = 1;
+ }
+ } elsif ($curr_is_adv && !$curr_role_adv) {
+ &Apache::lonnet::delenv('user.adv');
+ }
+ my %authorroleshash =
+ &Apache::lonnet::get_my_roles('','','userroles',['active'],['au','ca','aa']);
+ if (keys(%authorroleshash)) {
+ unless ($curr_author) {
+ $newenv{'user.author'} = 1;
+ }
+ } elsif ($curr_author && !$curr_role_author) {
+ &Apache::lonnet::delenv('user.author');
+ }
+ if ($env{'request.course.id'}) {
+ my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+ my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+ my (@activecrsgroups,$crsgroupschanged);
+ if ($env{'request.course.groups'}) {
+ @activecrsgroups = split(/:/,$env{'request.course.groups'});
+ foreach my $item (keys(%deletedroles)) {
+ if ($item =~ m{^gr\./\Q$cdom\E/\Q$cnum\E/(\w+)$}) {
+ if (grep(/^\Q$1\E$/,@activecrsgroups)) {
+ $crsgroupschanged = 1;
+ last;
+ }
+ }
+ }
+ }
+ unless ($crsgroupschanged) {
+ foreach my $item (keys(%newgroup)) {
+ if ($item =~ m{^gr\./\Q$cdom\E/\Q$cnum\E/(\w+)$}) {
+ if ($newgroup{$item} eq 'active') {
+ $crsgroupschanged = 1;
+ last;
+ }
+ }
+ }
+ }
+ if ((ref($changed_groups{$env{'request.course.id'}}) eq 'HASH') ||
+ (ref($groupchange{"/$cdom/$cnum"}) eq 'HASH') ||
+ ($crsgroupschanged)) {
+ my %grouproles = &Apache::lonnet::get_my_roles('','','userroles',
+ ['active'],['gr'],[$cdom],1);
+ my @activegroups;
+ foreach my $item (keys(%grouproles)) {
+ next unless($item =~ /^\Q$cnum\E:\Q$cdom\E/);
+ my $group;
+ my ($crsn,$crsd,$role,$remainder) = split(/:/,$item,4);
+ if ($remainder =~ /:/) {
+ (my $other,$group) = ($remainder =~ /^([\w:]+):([^:]+)$/);
+ } else {
+ $group = $remainder;
+ }
+ if ($group ne '') {
+ push(@activegroups,$group);
+ }
+ }
+ $newenv{'request.course.groups'} = join(':',@activegroups);
+ }
+ }
+ if (keys(%newenv)) {
+ &Apache::lonnet::appenv(\%newenv);
+ }
+ return $msg;
+}
+
+sub curr_role_status {
+ my ($start,$end,$refresh,$update) = @_;
+ if (($start) && ($start<0)) { return 'deleted' };
+ my $status = 'active';
+ if (($end) && ($end<=$update)) {
+ $status = 'previous';
+ }
+ if (($start) && ($refresh<$start)) {
+ $status = 'future';
+ }
+ return $status;
+}
+
+sub gather_roleprivs {
+ my ($allroles,$allgroups,$userroles,$area,$role,$tstart,$tend,$status) = @_;
+ return unless ((ref($allroles) eq 'HASH') && (ref($allgroups) eq 'HASH') && (ref($userroles) eq 'HASH'));
+ if (($area ne '') && ($role ne '')) {
+ &Apache::lonnet::userrolelog($role,$env{'user.name'},$env{'user.domain'},
+ $area,$tstart,$tend);
+ my $spec=$role.'.'.$area;
+ $userroles->{'user.role.'.$spec} = $tstart.'.'.$tend;
+ my ($tdummy,$tdomain,$trest)=split(/\//,$area);
+ if ($status eq 'active') {
+ if ($role =~ /^cr\//) {
+ &Apache::lonnet::custom_roleprivs($allroles,$role,$tdomain,$trest,$spec,$area);
+ } elsif ($role eq 'gr') {
+ my %rolehash = &Apache::lonnet::get('roles',[$area.'_'.$role],
+ $env{'user.domain'},
+ $env{'user.name'});
+ my ($trole) = split(/_/,$rolehash{$area.'_'.$role},2);
+ (undef,my $group_privs) = split(/\//,$trole);
+ $group_privs = &unescape($group_privs);
+ &Apache::lonnet::group_roleprivs($allgroups,$area,$group_privs,$tend,$tstart);
+ } else {
+ &Apache::lonnet::standard_roleprivs($allroles,$role,$tdomain,$spec,$trest,$area);
+ }
+ }
+ }
+ return;
+}
+
+sub is_active_course {
+ my ($rolekey,$refresh,$update,$roleshashref) = @_;
+ return unless(ref($roleshashref) eq 'HASH');
+ my ($role,$cdom,$cnum) = split(/\//,$rolekey);
+ my $is_active;
+ foreach my $key (keys(%{$roleshashref})) {
+ if ($key =~ /^\Q$cnum\E:\Q$cdom\E:/) {
+ my ($tstart,$tend) = split(/:/,$roleshashref->{$key});
+ my $status = &curr_role_status($tstart,$tend,$refresh,$update);
+ if ($status eq 'active') {
+ $is_active = 1;
+ last;
+ }
+ }
+ }
+ return $is_active;
+}
+
1;
__END__
@@ -1634,8 +2492,7 @@ course they should act on, etc. Both in
handler determines via C's C<&allowed> function that a certain
action is not allowed, C is used as error handler. This
allows the user to select another role which may have permission to do
-what they were trying to do. C can also be accessed via the
-B button in the Remote Control.
+what they were trying to do.
=begin latex