loncom/auth/lonroles.pm - diff

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Diff for /loncom/auth/lonroles.pm between versions 1.240.2.3 and 1.256

version 1.240.2.3, 2009/12/15 05:04:17	version 1.256, 2010/08/01 18:34:19
Line 57 course they should act on, etc. Both in	Line 57 course they should act on, etc. Both in
handler determines via C<lonnet>'s C<&allowed> function that a certain	handler determines via C<lonnet>'s C<&allowed> function that a certain
action is not allowed, C<lonroles> is used as error handler. This	action is not allowed, C<lonroles> is used as error handler. This
allows the user to select another role which may have permission to do	allows the user to select another role which may have permission to do
what they were trying to do. C<lonroles> can also be accessed via the	what they were trying to do.
B<CRS> button in the Remote Control.

=begin latex	=begin latex

Line 138 use Apache::lonannounce;	Line 137 use Apache::lonannounce;
use Apache::lonlocal;	use Apache::lonlocal;
use Apache::lonpageflip();	use Apache::lonpageflip();
use Apache::lonnavdisplay();	use Apache::lonnavdisplay();
use Apache::lonmainmenu();	use Apache::loncoursequeueadmin;
use GDBM_File;	use GDBM_File;
use LONCAPA qw(:DEFAULT :match);	use LONCAPA qw(:DEFAULT :match);
use HTML::Entities;	use HTML::Entities;


sub redirect_user {	sub redirect_user {
my ($r,$title,$url,$msg,$launch_nav) = @_;	my ($r,$title,$url,$msg) = @_;
$msg = $title if (! defined($msg));	$msg = $title if (! defined($msg));
&Apache::loncommon::content_type($r,'text/html');	&Apache::loncommon::content_type($r,'text/html');
&Apache::loncommon::no_cache($r);	&Apache::loncommon::no_cache($r);
$r->send_http_header;	$r->send_http_header;
my $swinfo=&Apache::lonmenu::rawconfig();
my $navwindow;
if ($launch_nav eq 'on') {
$navwindow.=&Apache::lonnavdisplay::launch_win('now',undef,undef,
($url =~ m-^/adm/whatsnew-));
} else {
$navwindow.=&Apache::lonnavmaps::close();
}

# Breadcrumbs	# Breadcrumbs
my $brcrum = [{'href' => $url,	my $brcrum = [{'href' => $url,
Line 172 sub redirect_user {	Line 163 sub redirect_user {
$url=~s/ /\%20/g;	$url=~s/ /\%20/g;
$r->print(<<ENDREDIR);	$r->print(<<ENDREDIR);
$start_page	$start_page
<script type="text/javascript">
// <![CDATA[
$swinfo
// ]]>
</script>
$navwindow
<p>$msg</p>	<p>$msg</p>
$end_page	$end_page
ENDREDIR	ENDREDIR
Line 225 sub handler {	Line 210 sub handler {
my %dcroles = ();	my %dcroles = ();
my $numdc = &check_fordc(\%dcroles,$then);	my $numdc = &check_fordc(\%dcroles,$then);
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});	&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
my $custommenu = &Apache::loncommon::needs_gci_custom();	my $loncaparev = $Apache::lonnet::perlvar{'lonVersion'};

# ================================================================== Roles Init	# ================================================================== Roles Init
if ($env{'form.selectrole'}) {	if ($env{'form.selectrole'}) {
Line 239 sub handler {	Line 224 sub handler {
if ($env{'request.course.id'}) {	if ($env{'request.course.id'}) {
# Check if user is CC trying to select a course role	# Check if user is CC trying to select a course role
if ($env{'form.switchrole'}) {	if ($env{'form.switchrole'}) {
if (!defined($env{'user.role.'.$env{'form.switchrole'}})) {	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 < $refresh) {
	$switch_is_active = 1;
	}
	}
	}
	unless ($switch_is_active) {
&adhoc_course_role($refresh,$then);	&adhoc_course_role($refresh,$then);
}	}
}	}
Line 275 sub handler {	Line 269 sub handler {
my ($server_status,$home) = &check_author_homeserver($user,$domain);	my ($server_status,$home) = &check_author_homeserver($user,$domain);
if ($server_status eq 'switchserver') {	if ($server_status eq 'switchserver') {
my $trolecode = 'au./'.$domain.'/';	my $trolecode = 'au./'.$domain.'/';
my $switchserver = '/adm/switchserver?otherserver='.$home.'&role='.$trolecode;	my $switchserver = '/adm/switchserver?otherserver='.$home.'&role='.$trolecode;
$r->internal_redirect($switchserver);	$r->internal_redirect($switchserver);
}	}
last;	last;
Line 286 sub handler {	Line 280 sub handler {
my ($server_status,$home) = &check_author_homeserver($user,$domain);	my ($server_status,$home) = &check_author_homeserver($user,$domain);
if ($server_status eq 'switchserver') {	if ($server_status eq 'switchserver') {
my $trolecode = 'ca./'.$domain.'/'.$user;	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);	$r->internal_redirect($switchserver);
}	}
last;	last;
Line 307 sub handler {	Line 301 sub handler {
if ($server_status eq 'switchserver') {	if ($server_status eq 'switchserver') {
my $trolecode = 'ca./'.$domain.'/'.$user;	my $trolecode = 'ca./'.$domain.'/'.$user;
my $switchserver = '/adm/switchserver?'	my $switchserver = '/adm/switchserver?'
.'otherserver='.$home.'&role='.$trolecode;	.'otherserver='.$home.'&role='.$trolecode;
$r->internal_redirect($switchserver);	$r->internal_redirect($switchserver);
}	}
} else {	} else {
Line 320 sub handler {	Line 314 sub handler {
}	}
}	}
}	}
if (($env{'form.cm'}) && ($env{'form.orgurl'})) {
$r->internal_redirect($env{'form.orgurl'});
}
foreach $envkey (keys %env) {	foreach $envkey (keys %env) {
next if ($envkey!~/^user\.role\./);	next if ($envkey!~/^user\.role\./);
my ($where,$trolecode,$role,$tstatus,$tend,$tstart);	my ($where,$trolecode,$role,$tstatus,$tend,$tstart);
Line 332 sub handler {	Line 324 sub handler {
if ($tstatus eq 'is') {	if ($tstatus eq 'is') {
$where=~s/^\///;	$where=~s/^\///;
my ($cdom,$cnum,$csec)=split(/\//,$where);	my ($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();
	$r->print(&Apache::loncommon::start_page('Selected course unavailable on this server').
	'<p class="LC_warning">');
	if ($switchwarning) {
	$r->print($switchwarning.'<br /><a href="/adm/roles">');
	if (&Apache::loncommon::show_course()) {
	$r->print(&mt('Display courses'));
	} else {
	$r->print(&mt('Display roles'));
	}
	$r->print('</a>');
	} elsif ($switchserver) {
	$r->print(&mt('This course requires a newer version of LON-CAPA than is installed on this server.').
	'<br />'.
	'<a href="/adm/switchserver?'.$switchserver.'">'.
	&mt('Switch Server').
	'</a>');
	}
	$r->print('</p>'.&Apache::loncommon::end_page());
	return OK;
	}
	}
	}
	}
# check for course groups	# check for course groups
my %coursegroups = &Apache::lonnet::get_active_groups(	my %coursegroups = &Apache::lonnet::get_active_groups(
$env{'user.domain'},$env{'user.name'},$cdom, $cnum);	$env{'user.domain'},$env{'user.name'},$cdom, $cnum);
Line 467 ENDENTERKEY	Line 495 ENDENTERKEY
if (($ferr) && ($tadv)) {	if (($ferr) && ($tadv)) {
&error_page($r,$ferr,$dest);	&error_page($r,$ferr,$dest);
} else {	} else {
	if ($dest =~ m{^/adm/coursedocs\?folderpath}) {
	if ($env{'request.course.id'} eq $cdom.'_'.$cnum) {
	my $chome = &Apache::lonnet::homeserver($cnum,$cdom);
	&update_content_constraints($cdom,$cnum,$chome,$cdom.'_'.$cnum);
	}
	}
$r->internal_redirect($dest);	$r->internal_redirect($dest);
}	}
return OK;	return OK;
Line 495 ENDENTERKEY	Line 529 ENDENTERKEY
$courseid = substr($courseid, 1);	$courseid = substr($courseid, 1);
}	}
$courseid =~ s/\//_/;	$courseid =~ s/\//_/;
if (($cdom ne 'gcitest') && (($role eq 'cc') \|\| ($role eq 'co'))	if ((($role eq 'cc') \|\| ($role eq 'co'))
&& ($env{'course.' . $courseid .'.course.helper.not.run'})) {	&& ($env{'course.' . $courseid .'.course.helper.not.run'})) {
$furl = "/adm/helper/course.initialization.helper";	$furl = "/adm/helper/course.initialization.helper";
# Send the user to the course they selected	# Send the user to the course they selected
Line 506 ENDENTERKEY	Line 540 ENDENTERKEY
my $esc_symb = &HTML::Entities::encode($env{'form.destsymb'},'"<>&');	my $esc_symb = &HTML::Entities::encode($env{'form.destsymb'},'"<>&');
$dest .= '?symb='.$esc_symb;	$dest .= '?symb='.$esc_symb;
}	}
&redirect_user($r,&mt('Entering [_1]',	&redirect_user($r, &mt('Entering [_1]',
$env{'course.'.$courseid.'.description'}),	$env{'course.'.$courseid.'.description'}),
$dest,$msg,	$dest, $msg);
$env{'environment.remotenavmap'});
return OK;	return OK;
}	}
if (&Apache::lonnet::allowed('whn',	if (&Apache::lonnet::allowed('whn',
Line 519 ENDENTERKEY	Line 552 ENDENTERKEY
.$env{'request.course.sec'})	.$env{'request.course.sec'})
) {	) {
my $startpage = &courseloadpage($courseid);	my $startpage = &courseloadpage($courseid);
unless (($startpage eq 'firstres') \|\| ($cdom eq 'gcitest')) {	unless ($startpage eq 'firstres') {
$msg = &mt('Entering [_1] ...',	$msg = &mt('Entering [_1] ...',
$env{'course.'.$courseid.'.description'});	$env{'course.'.$courseid.'.description'});
&redirect_user($r,&mt('New in course'),	&redirect_user($r, &mt('New in course'),
'/adm/whatsnew?refpage=start',$msg,	'/adm/whatsnew?refpage=start', $msg);
$env{'environment.remotenavmap'});
return OK;	return OK;
}	}
}	}
Line 534 ENDENTERKEY	Line 566 ENDENTERKEY
# Guess not ...	# Guess not ...
$furl=&Apache::lonpageflip::first_accessible_resource();	$furl=&Apache::lonpageflip::first_accessible_resource();
}	}
if (($cdom eq 'gcitest') && ($custommenu)) {
$furl = '/adm/navmaps';
}
$msg = &mt('Entering [_1] ...',	$msg = &mt('Entering [_1] ...',
$env{'course.'.$courseid.'.description'});	$env{'course.'.$courseid.'.description'});
&redirect_user($r,&mt('Entering [_1]',	&redirect_user($r, &mt('Entering [_1]',
$env{'course.'.$courseid.'.description'}),	$env{'course.'.$courseid.'.description'}),
$furl,$msg,	$furl, $msg);
$env{'environment.remotenavmap'});
}	}
return OK;	return OK;
}	}
Line 579 ENDENTERKEY	Line 607 ENDENTERKEY
}	}
}	}


# =============================================================== No Roles Init	# =============================================================== No Roles Init

&Apache::loncommon::content_type($r,'text/html');	&Apache::loncommon::content_type($r,'text/html');
Line 586 ENDENTERKEY	Line 615 ENDENTERKEY
$r->send_http_header;	$r->send_http_header;
return OK if $r->header_only;	return OK if $r->header_only;

my ($crumbtext,$pagetitle,$recent,$show_course);	my $crumbtext = 'User Roles';
	my $pagetitle = 'My Roles';
	my $recent = &mt('Recent Roles');
	my $show_course=&Apache::loncommon::show_course();
	if ($show_course) {
	$crumbtext = 'Courses';
	$pagetitle = 'My Courses';
	$recent = &mt('Recent Courses');
	}
	my $brcrum =[{href=>"/adm/roles",text=>$crumbtext}];
	my $swinfo=&Apache::lonmenu::rawconfig();
	my $start_page=&Apache::loncommon::start_page($pagetitle,undef,{bread_crumbs=>$brcrum});
	my $standby=&mt('Role selected. Please stand by.');
	$standby=~s/\n/\\n/g;
my $noscript='<span class="LC_error">'.&mt('Use of LON-CAPA requires Javascript to be enabled in your web browser.').'<br />'.&mt('As this is not the case, most functionality in the system will be unavailable.').'</span><br />';	my $noscript='<span class="LC_error">'.&mt('Use of LON-CAPA requires Javascript to be enabled in your web browser.').'<br />'.&mt('As this is not the case, most functionality in the system will be unavailable.').'</span><br />';
if ($custommenu) {
my $start_page = &Apache::loncommon::start_page('Main Menu',undef,	$r->print(<<ENDHEADER);
{'bread_crumbs' => 1});
$r->print(<<"ENDCUSTOM");
$start_page
<br />
<noscript>
$noscript
</noscript>
ENDCUSTOM
} else {
$crumbtext = 'User Roles';
$pagetitle = 'My Roles';
$recent = &mt('Recent Roles');
$show_course=&Apache::loncommon::show_course();
if ($show_course) {
$crumbtext = 'Courses';
$pagetitle = 'My Courses';
$recent = &mt('Recent Courses');
}
my $brcrum =[{href=>"/adm/roles",text=>$crumbtext}];
my $swinfo=&Apache::lonmenu::rawconfig();
my $start_page=&Apache::loncommon::start_page($pagetitle,undef,{bread_crumbs=>$brcrum});
my $standby=&mt('Role selected. Please stand by.');
$standby=~s/\n/\\n/g;
$r->print(<<ENDHEADER);
$start_page	$start_page
<br />	<br />
<noscript>	<noscript>
Line 640 function enterrole (thisform,rolecode,bu	Line 658 function enterrole (thisform,rolecode,bu
// ]]>	// ]]>
</script>	</script>
ENDHEADER	ENDHEADER
}

# ------------------------------------------ Get Error Message from Environment	# ------------------------------------------ Get Error Message from Environment

Line 708 ENDHEADER	Line 725 ENDHEADER
if (($ENV{'REDIRECT_QUERY_STRING'}) && ($fn)) {	if (($ENV{'REDIRECT_QUERY_STRING'}) && ($fn)) {
$fn.='?'.$ENV{'REDIRECT_QUERY_STRING'};	$fn.='?'.$ENV{'REDIRECT_QUERY_STRING'};
}	}
unless ($custommenu) {	$r->print('<form method="post" name="rolechoice" action="'.(($fn)?$fn:$r->uri).'">');
$r->print('<form method="post" name="rolechoice" action="'.(($fn)?$fn:$r->uri).'">');	$r->print('<input type="hidden" name="orgurl" value="'.$fn.'" />');
$r->print('<input type="hidden" name="orgurl" value="'.$fn.'" />');	$r->print('<input type="hidden" name="selectrole" value="1" />');
$r->print('<input type="hidden" name="selectrole" value="1" />');	$r->print('<input type="hidden" name="newrole" value="" />');
$r->print('<input type="hidden" name="newrole" value="" />');
}
}	}

my (%roletext,%sortrole,%roleclass,%futureroles,%timezones);	my (%roletext,%sortrole,%roleclass,%futureroles,%timezones);
my ($countactive,$countfuture,$inrole,$possiblerole) =	my ($countactive,$countfuture,$inrole,$possiblerole) =
&gather_roles($then,$refresh,$now,$reinit,$nochoose,\%roletext,\%sortrole,\%roleclass,	&gather_roles($then,$refresh,$now,$reinit,$nochoose,\%roletext,\%sortrole,\%roleclass,
\%futureroles,\%timezones);	\%futureroles,\%timezones,$loncaparev);

$refresh = $now;	$refresh = $now;
&Apache::lonnet::appenv({'user.refresh.time' => $refresh});	&Apache::lonnet::appenv({'user.refresh.time' => $refresh});
if ($custommenu) {
my %courses = &Apache::loncommon::existing_gcitest_courses();
$env{'browser.interface'}='faketextual';
$env{'environment.remote'}='off';
my $numcourses = keys(%courses);
my $switcher;
if ($numcourses > 0) {
$switcher = &Apache::lonmainmenu::gcitest_switcher(%courses);
my $current;
if ($env{'request.course.id'}) {
$current = 'cc./'.$env{'course.'.$env{'request.course.id'}.'.domain'}.
'/'.$env{'course.'.$env{'request.course.id'}.'.num'};
}
my $switcher_js = &Apache::lonmainmenu::gcitest_switcher_js($current,$numcourses);
$r->print(<<"ENDSCRIPT");
<script type="text/javascript">
// <![CDATA[
$switcher_js
// ]]>
</script>
ENDSCRIPT
}
$r->print(&Apache::lonmenu::inlinemenu('gcicustom',$switcher).
&Apache::loncommon::end_page());
return OK;
}
if ($env{'user.adv'}) {	if ($env{'user.adv'}) {
$r->print('<p><label><input type="checkbox" name="showall"');	$r->print('<p><label><input type="checkbox" name="showall"');
if ($env{'form.showall'}) { $r->print(' checked="checked" '); }	if ($env{'form.showall'}) { $r->print(' checked="checked" '); }
Line 757 ENDSCRIPT	Line 746 ENDSCRIPT
.'</p>');	.'</p>');
} else {	} else {
if ($countactive > 0) {	if ($countactive > 0) {
&queued_selfenrollment($r);	$r->print(&Apache::loncoursequeueadmin::queued_selfenrollment());
my $domdesc = &Apache::lonnet::domain($env{'user.domain'},'description');	my $domdesc = &Apache::lonnet::domain($env{'user.domain'},'description');
my $esc_dom = &HTML::Entities::encode($env{'user.domain'},'"<>&');	my $esc_dom = &HTML::Entities::encode($env{'user.domain'},'"<>&');
$r->print(	$r->print(
Line 813 ENDSCRIPT	Line 802 ENDSCRIPT
}	}
$r->print(&Apache::loncommon::end_page());	$r->print(&Apache::loncommon::end_page());
return OK;	return OK;
} elsif ($countactive==1) { # Is there only one choice?
my $needs_switchserver;
if ($env{'user.author'}) {
$needs_switchserver = &check_needs_switchserver($possiblerole);
}
if ((!$needs_switchserver) && ($env{'request.role'} eq 'cm')) {
$r->print('<h3>'.&mt('Please stand by.').'</h3>'.
'<input type="hidden" name="'.$possiblerole.'" value="1" />'.
'<noscript><br /><input type="submit" name="submit" value="'.&mt('Continue').'" /></noscript>');
$r->print("</form>\n");
$r->rflush();
$r->print('<script type="text/javascript">document.forms.rolechoice.submit();</script>');
$r->print(&Apache::loncommon::end_page());
return OK;
}
if ($needs_switchserver) {
$r->print("<h2>".&mt('Server Switch Required')."</h2>\n".
&mt('Construction Space access is only available from '.
'the home server of the corresponding Author.').'<br />'.
&mt("Click the 'Switch Server' link to go there.").'<br />');
}
}	}
# ----------------------------------------------------------------------- Table	# ----------------------------------------------------------------------- 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)) {	unless ((!&Apache::loncommon::show_course()) \|\| ($nochoose) \|\| ($countactive==1)) {
$r->print("<h2>".&mt('Select a Course to Enter')."</h2>\n");	$r->print("<h2>".&mt('Select a Course to Enter')."</h2>\n");
}	}
Line 847 ENDSCRIPT	Line 822 ENDSCRIPT
$env{'form.destsymb'}.'" />');	$env{'form.destsymb'}.'" />');
}	}
}	}

my $doheaders = &roletable_headers($r,\%roleclass,\%sortrole,$nochoose);	my $doheaders = &roletable_headers($r,\%roleclass,\%sortrole,$nochoose);
if ($env{'environment.recentroles'}) {	if ($env{'environment.recentroles'}) {
my %recent_roles =	my %recent_roles =
&Apache::lonhtmlcommon::get_recent('roles',$env{'environment.recentrolesn'});	&Apache::lonhtmlcommon::get_recent('roles',$env{'environment.recentrolesn'});
my $output='';	my $output='';
foreach (sort(keys(%recent_roles))) {	foreach my $role (sort(keys(%recent_roles))) {
if (ref($roletext{'user.role.'.$_}) eq 'ARRAY') {	if (ref($roletext{'user.role.'.$role}) eq 'ARRAY') {
$output.= &Apache::loncommon::start_data_table_row().	$output.= &Apache::loncommon::start_data_table_row().
$roletext{'user.role.'.$_}->[0].	$roletext{'user.role.'.$role}->[0].
&Apache::loncommon::end_data_table_row().
&Apache::loncommon::continue_data_table_row().
$roletext{'user.role.'.$_}->[1].
&Apache::loncommon::end_data_table_row();	&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}) {	&& $dcroles{$1}) {
$output .= &adhoc_roles_row($1,'recent');	$output .= &adhoc_roles_row($1,'recent');
}	}
} elsif ($numdc > 0) {	} elsif ($numdc > 0) {
unless ($_ =~/^error\:/) {	unless ($role =~/^error\:/) {
$output.=&display_cc_role('user.role.'.$_);	my ($roletext,$role_text_end) = &display_cc_role('user.role.'.$role);
	$output.= &Apache::loncommon::start_data_table_row().
	$roletext.
	&Apache::loncommon::end_data_table_row().
	&Apache::loncommon::continue_data_table_row().
	$role_text_end.
	&Apache::loncommon::end_data_table_row();
}	}
}	}
}	}
if ($output) {	if ($output) {
$r->print(&Apache::loncommon::start_data_table_empty_row()	$r->print(&Apache::loncommon::start_data_table_empty_row()
Line 881 ENDSCRIPT	Line 865 ENDSCRIPT
$doheaders ++;	$doheaders ++;
}	}
}	}

if ($numdc > 0) {
$r->print(&coursepick_jscript());
$r->print(&Apache::loncommon::coursebrowser_javascript().
&Apache::loncommon::authorbrowser_javascript());
}
&print_rolerows($r,$doheaders,\%roleclass,\%sortrole,\%dcroles,\%roletext);	&print_rolerows($r,$doheaders,\%roleclass,\%sortrole,\%dcroles,\%roletext);
if ($countactive > 1) {	if ($countactive > 1) {
my $tremark='';	my $tremark='';
Line 938 ENDSCRIPT	Line 916 ENDSCRIPT
}	}

sub gather_roles {	sub gather_roles {
my ($then,$refresh,$now,$reinit,$nochoose,$roletext,$sortrole,$roleclass,$futureroles,$timezones) = @_;	my ($then,$refresh,$now,$reinit,$nochoose,$roletext,$sortrole,$roleclass,$futureroles,$timezones,$loncaparev) = @_;
my ($countactive,$countfuture,$inrole,$possiblerole) = (0,0,0,'');	my ($countactive,$countfuture,$inrole,$possiblerole) = (0,0,0,'');
my $advanced = $env{'user.adv'};	my $advanced = $env{'user.adv'};
my $tryagain = $env{'form.tryagain'};	my $tryagain = $env{'form.tryagain'};
	my @ids = &Apache::lonnet::current_machine_ids();
foreach my $envkey (sort(keys(%env))) {	foreach my $envkey (sort(keys(%env))) {
my $button = 1;	my $button = 1;
my $switchserver='';	my $switchserver='';
	my $switchwarning;
my ($role_text,$role_text_end,$sortkey);	my ($role_text,$role_text_end,$sortkey);
if ($envkey=~/^user\.role\./) {	if ($envkey=~/^user\.role\./) {
my ($role,$where,$trolecode,$tstart,$tend,$tremark,$tstatus,$tpstart,$tpend);	my ($role,$where,$trolecode,$tstart,$tend,$tremark,$tstatus,$tpstart,$tpend);
Line 994 sub gather_roles {	Line 974 sub gather_roles {
if ($role =~ /^cr\//) {	if ($role =~ /^cr\//) {
my ($rdummy,$rdomain,$rauthor,$rrole)=split(/\//,$role);	my ($rdummy,$rdomain,$rauthor,$rrole)=split(/\//,$role);
if ($tremark) { $tremark.='<br />'; }	if ($tremark) { $tremark.='<br />'; }
$tremark.=&mt('Defined by [_1] at [_2].',$rauthor,$rdomain);	$tremark.=&mt('Customrole defined by [_1].',$rauthor.':'.$rdomain);
}	}
$trole=Apache::lonnet::plaintext($role);	$trole=Apache::lonnet::plaintext($role);
my $ttype;	my $ttype;
Line 1005 sub gather_roles {	Line 985 sub gather_roles {
if (($role eq 'ca') \|\| ($role eq 'aa')) {	if (($role eq 'ca') \|\| ($role eq 'aa')) {
my $home = &Apache::lonnet::homeserver($trest,$tdom);	my $home = &Apache::lonnet::homeserver($trest,$tdom);
my $allowed=0;	my $allowed=0;
my @ids=&Apache::lonnet::current_machine_ids();
foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }	foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
if (!$allowed) {	if (!$allowed) {
$button=0;	$button=0;
$switchserver='otherserver='.$home.'&role='.$trolecode;	$switchserver='otherserver='.$home.'&role='.$trolecode;
}	}
#next if ($home eq 'no_host');	#next if ($home eq 'no_host');
$home = &Apache::lonnet::hostname($home);	$home = &Apache::lonnet::hostname($home);
Line 1025 sub gather_roles {	Line 1004 sub gather_roles {
my $home = &Apache::lonnet::homeserver	my $home = &Apache::lonnet::homeserver
($env{'user.name'},$env{'user.domain'});	($env{'user.name'},$env{'user.domain'});
my $allowed=0;	my $allowed=0;
my @ids=&Apache::lonnet::current_machine_ids();
foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }	foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
if (!$allowed) {	if (!$allowed) {
$button=0;	$button=0;
$switchserver='otherserver='.$home.'&role='.$trolecode;	$switchserver='otherserver='.$home.'&role='.$trolecode;
}	}
#next if ($home eq 'no_host');	#next if ($home eq 'no_host');
$home = &Apache::lonnet::hostname($home);	$home = &Apache::lonnet::hostname($home);
Line 1042 sub gather_roles {	Line 1020 sub gather_roles {
} elsif ($trest) {	} elsif ($trest) {
my $tcourseid=$tdom.'_'.$trest;	my $tcourseid=$tdom.'_'.$trest;
$ttype = &Apache::loncommon::course_type($tcourseid);	$ttype = &Apache::loncommon::course_type($tcourseid);
$trole = &Apache::lonnet::plaintext($role,$ttype);	$trole = &Apache::lonnet::plaintext($role,$ttype,$tcourseid);
if ($env{'course.'.$tcourseid.'.description'}) {	if ($env{'course.'.$tcourseid.'.description'}) {
	my $home=$env{'course.'.$tcourseid.'.home'};
$twhere=$env{'course.'.$tcourseid.'.description'};	$twhere=$env{'course.'.$tcourseid.'.description'};
$sortkey=$role."\0".$tdom."\0".$twhere."\0".$envkey;	$sortkey=$role."\0".$tdom."\0".$twhere."\0".$envkey;
	$twhere = &HTML::Entities::encode($twhere,'"<>&');
unless ($twhere eq &mt('Currently not available')) {	unless ($twhere eq &mt('Currently not available')) {
$twhere.=' <span class="LC_fontsize_small">'.	$twhere.=' <span class="LC_fontsize_small">'.
&Apache::loncommon::syllabuswrapper(&mt('Syllabus'),$trest,$tdom).	&Apache::loncommon::syllabuswrapper(&mt('Syllabus'),$trest,$tdom).
'</span>';	'</span>';
	unless ($home && grep(/^\Q$home\E$/,@ids) && $loncaparev eq '') {
	my $required = $env{'course.'.$tcourseid.'.internal.releaserequired'};
	($switchserver,$switchwarning) =
	&check_release_required($loncaparev,$tcourseid,$trolecode,$required);
	if ($switchserver \|\| $switchwarning) {
	$button = 0;
	}
	}
}	}
} else {	} else {
my %newhash=&Apache::lonnet::coursedescription($tcourseid);	my %newhash=&Apache::lonnet::coursedescription($tcourseid);
if (%newhash) {	if (%newhash) {
$sortkey=$role."\0".$tdom."\0".$newhash{'description'}.	$sortkey=$role."\0".$tdom."\0".$newhash{'description'}.
"\0".$envkey;	"\0".$envkey;
$twhere=$newhash{'description'}.	$twhere=&HTML::Entities::encode($newhash{'description'},'"<>&').
' <span class="LC_fontsize_small">'.	' <span class="LC_fontsize_small">'.
&Apache::loncommon::syllabuswrapper(&mt('Syllabus'),$trest,$tdom).	&Apache::loncommon::syllabuswrapper(&mt('Syllabus'),$trest,$tdom).
'</span>';	'</span>';
$ttype = $newhash{'type'};	$ttype = $newhash{'type'};
$trole = &Apache::lonnet::plaintext($role,$ttype);	$trole = &Apache::lonnet::plaintext($role,$ttype,$tcourseid);
	my $home = $newhash{'home'};
	unless ($home && grep(/^\Q$home\E$/,@ids) && $loncaparev eq '') {
	my $required = $newhash{'internal.releaserequired'};
	($switchserver,$switchwarning) =
	&check_release_required($loncaparev,$tcourseid,$trolecode,$required);
	if ($switchserver \|\| $switchwarning) {
	$button = 0;
	}
	}
} else {	} else {
$twhere=&mt('Currently not available');	$twhere=&mt('Currently not available');
$env{'course.'.$tcourseid.'.description'}=$twhere;	$env{'course.'.$tcourseid.'.description'}=$twhere;
Line 1085 sub gather_roles {	Line 1082 sub gather_roles {
($role_text,$role_text_end) =	($role_text,$role_text_end) =
&build_roletext($trolecode,$tdom,$trest,$tstatus,$tryagain,	&build_roletext($trolecode,$tdom,$trest,$tstatus,$tryagain,
$advanced,$tremark,$tbg,$trole,$twhere,$tpstart,	$advanced,$tremark,$tbg,$trole,$twhere,$tpstart,
$tpend,$nochoose,$button,$switchserver,$reinit);	$tpend,$nochoose,$button,$switchserver,$reinit,$switchwarning);
$roletext->{$envkey}=[$role_text,$role_text_end];	$roletext->{$envkey}=[$role_text,$role_text_end];
if (!$sortkey) {$sortkey=$twhere."\0".$envkey;}	if (!$sortkey) {$sortkey=$twhere."\0".$envkey;}
$sortrole->{$sortkey}=$envkey;	$sortrole->{$sortkey}=$envkey;
Line 1193 sub print_rolerows {	Line 1190 sub print_rolerows {
if (ref($roletext->{$sortrole->{$which}}) eq 'ARRAY') {	if (ref($roletext->{$sortrole->{$which}}) eq 'ARRAY') {
$output.= &Apache::loncommon::start_data_table_row().	$output.= &Apache::loncommon::start_data_table_row().
$roletext->{$sortrole->{$which}}->[0].	$roletext->{$sortrole->{$which}}->[0].
&Apache::loncommon::end_data_table_row().
&Apache::loncommon::continue_data_table_row().
$roletext->{$sortrole->{$which}}->[1].
&Apache::loncommon::end_data_table_row();	&Apache::loncommon::end_data_table_row();
	if ($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 ($sortrole->{$which} =~ m-dc\./($match_domain)/-) {
if (ref($dcroles) eq 'HASH') {	if (ref($dcroles) eq 'HASH') {
Line 1241 sub findcourse_advice {	Line 1240 sub findcourse_advice {
}	}
$r->print('<h3>'.&mt('Self-Enrollment').'</h3>'.	$r->print('<h3>'.&mt('Self-Enrollment').'</h3>'.
'<p>'.&mt('The [_1]Course/Community Catalog[_2] provides information about all [_3] classes for which LON-CAPA courses have been created, as well as any communities in the domain.','<a href="/adm/coursecatalog?showdom='.$esc_dom.'">','</a>',$domdesc).'<br />');	'<p>'.&mt('The [_1]Course/Community Catalog[_2] provides information about all [_3] classes for which LON-CAPA courses have been created, as well as any communities in the domain.','<a href="/adm/coursecatalog?showdom='.$esc_dom.'">','</a>',$domdesc).'<br />');
$r->print(&mt('You can search for courses and communities which permit self-enrollment, if you would like to enroll in one.').'</p>');	$r->print(&mt('You can search for courses and communities which permit self-enrollment, if you would like to enroll in one.').'</p>'.
&queued_selfenrollment($r);	&Apache::loncoursequeueadmin::queued_selfenrollment());
return;	return;
}	}

Line 1299 sub requestcourse_advice {	Line 1298 sub requestcourse_advice {
return;	return;
}	}

sub queued_selfenrollment {
my ($r) = @_;
my %selfenrollrequests = &Apache::lonnet::dump('selfenrollrequests');
my %reqs_by_date;
foreach my $item (keys(%selfenrollrequests)) {
if (ref($selfenrollrequests{$item}) eq 'HASH') {
if ($selfenrollrequests{$item}{'status'} eq 'request') {
if ($selfenrollrequests{$item}{'timestamp'}) {
push(@{$reqs_by_date{$selfenrollrequests{$item}{'timestamp'}}},$item);
}
}
}
}
if (keys(%reqs_by_date)) {
my $rolename = &Apache::lonnet::plaintext('st');
$r->print('<b>'.&mt('Enrollment requests pending Course Coordinator approval').'</b><br />'.
&Apache::loncommon::start_data_table().
&Apache::loncommon::start_data_table_header_row().
'<th>'.&mt('Date requested').'</th><th>'.&mt('Course title').'</th>'.
'<th>'.&mt('User role').'</th><th>'.&mt('Section').'</th>'.
&Apache::loncommon::end_data_table_header_row());
my @sorted = sort { $a <=> $b } (keys(%reqs_by_date));
foreach my $item (@sorted) {
if (ref($reqs_by_date{$item}) eq 'ARRAY') {
foreach my $crs (@{$reqs_by_date{$item}}) {
my %courseinfo = &Apache::lonnet::coursedescription($crs);
my $usec = $selfenrollrequests{$crs}{'section'};
if ($usec eq '') {
$usec = &mt('No section');
}
$r->print(&Apache::loncommon::start_data_table_row().
'<td>'.&Apache::lonlocal::locallocaltime($item).'</td>'.
'<td>'.$courseinfo{'description'}.'</td>'.
'<td>'.$rolename.'</td><td>'.$usec.'</td>'.
&Apache::loncommon::end_data_table_row());
}
}
}
$r->print(&Apache::loncommon::end_data_table());
}
return;
}

sub privileges_info {	sub privileges_info {
my ($which) = @_;	my ($which) = @_;
my $output;	my $output;
Line 1398 sub privileges_info {	Line 1354 sub privileges_info {
}	}

sub build_roletext {	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,$roletext_end);	my ($roletext,$roletext_end);
my $is_dc=($trolecode =~ m/^dc\./);	my $is_dc=($trolecode =~ m/^dc\./);
my $rowspan=($is_dc) ? ''	my $rowspan=($is_dc) ? ''
Line 1416 sub build_roletext {	Line 1372 sub build_roletext {
} else {	} else {
$roletext.=('<td'.$rowspan.' class="'.$tbg.'"> </td>');	$roletext.=('<td'.$rowspan.' class="'.$tbg.'"> </td>');
}	}
	if ($switchwarning) {
	if ($tremark eq '') {
	$tremark = $switchwarning;
	} else {
	$tremark .= '<br />'.$switchwarning;
	}
	}
} elsif ($tstatus eq 'is') {	} elsif ($tstatus eq 'is') {
$roletext.='<td'.$rowspan.' class="'.$tbg.'">'.	$roletext.='<td'.$rowspan.' class="'.$tbg.'">'.
'<input name="'.$buttonname.'" type="button" value="'.	'<input name="'.$buttonname.'" type="button" value="'.
Line 1596 sub check_forcc {	Line 1559 sub check_forcc {
return $is_cc;	return $is_cc;
}	}

	sub check_release_required {
	my ($loncaparev,$tcourseid,$trolecode,$required) = @_;
	my ($switchserver,$warning);
	if ($required ne '') {
	my ($reqdmajor,$reqdminor) = ($required =~ /^(\d+)\.(\d+)$/);
	my ($major,$minor) = ($loncaparev =~ /^\'?(\d+)\.(\d+)\.[\d.\-]+\'?$/);
	if ($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'});
	my $switchlcrev =
	&Apache::lonnet::get_server_loncaparev($env{'user.domain'},
	$userdomserver);
	my ($swmajor,$swminor) = ($switchlcrev =~ /^\'?(\d+)\.(\d+)\.[\d.\-]+\'?$/);
	if (($swmajor eq '' && $swminor eq '') \|\| ($reqdmajor > $swmajor) \|\|
	(($reqdmajor == $swmajor) && ($reqdminor > $swminor))) {
	my $cdom = $env{'course.'.$tcourseid.'.domain'};
	if ($cdom ne $env{'user.domain'}) {
	my ($coursedomserver,$coursehostname) = &Apache::lonnet::choose_server($cdom);
	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.'.$tcourseid.'.internal.releaserequired'}).'<br />'. &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.'.$tcourseid.'.internal.releaserequired'}).'<br />'.&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 update_content_constraints {
	my ($cdom,$cnum,$chome,$cid) = @_;
	my %curr_reqd_hash = &Apache::lonnet::userenvironment($cdom,$cnum,'internal.releaserequired');
	my ($reqdmajor,$reqdminor) = split(/\./,$curr_reqd_hash{'internal.releaserequired'});
	my %checkresponsetypes;
	foreach my $key (keys(%Apache::lonnet::needsrelease)) {
	my ($item,$name,$value) = split(/:/,$key);
	if ($item eq 'resourcetag') {
	if ($name eq 'responsetype') {
	$checkresponsetypes{$value} = $Apache::lonnet::needsrelease{$key}
	}
	}
	}
	my $navmap = Apache::lonnavmaps::navmap->new();
	if (defined($navmap)) {
	my %allresponses;
	foreach my $res ($navmap->retrieveResources(undef,sub { $_[0]->is_problem() },1,0)) {
	my %responses = $res->responseTypes();
	foreach my $key (keys(%responses)) {
	next unless(exists($checkresponsetypes{$key}));
	$allresponses{$key} += $responses{$key};
	}
	}
	foreach my $key (keys(%allresponses)) {
	my ($major,$minor) = split(/\./,$checkresponsetypes{$key});
	if (($major > $reqdmajor) \|\| ($major == $reqdmajor && $minor > $reqdminor)) {
	($reqdmajor,$reqdminor) = ($major,$minor);
	}
	}
	undef($navmap);
	}
	unless (($reqdmajor eq '') && ($reqdminor eq '')) {
	&Apache::lonnet::update_released_required($reqdmajor.'.'.$reqdminor,$cdom,$cnum,$chome,$cid);
	}
	return;
	}

sub courselink {	sub courselink {
my ($dcdom,$rowtype) = @_;	my ($dcdom,$rowtype) = @_;
my $courseform=&Apache::loncommon::selectcourse_link	my $courseform=&Apache::loncommon::selectcourse_link
Line 1666 sub display_cc_role {	Line 1718 sub display_cc_role {
unless ($rolekey =~/^error\:/) {	unless ($rolekey =~/^error\:/) {
if ($rolekey =~ m{^user\.role\.(cc\|co)\./($match_domain)/($match_courseid)$}) {	if ($rolekey =~ m{^user\.role\.(cc\|co)\./($match_domain)/($match_courseid)$}) {
my $ccrole = $1;	my $ccrole = $1;
my $tcourseid = $2.'_'.$3;	my $tdom = $2;
my $trolecode = $1.'./'.$2.'/'.$3;	my $trest = $3;
	my $tcourseid = $tdom.'_'.$trest;
	my $trolecode = $ccrole.'./'.$tdom.'/'.$trest;
my $twhere;	my $twhere;
my $ttype;	my $ttype;
my $tbg='LC_roles_is';	my $tbg='LC_roles_is';
Line 1675 sub display_cc_role {	Line 1729 sub display_cc_role {
if (%newhash) {	if (%newhash) {
$twhere=$newhash{'description'}.	$twhere=$newhash{'description'}.
' <span style="LC_fontsize_small">'.	' <span style="LC_fontsize_small">'.
&Apache::loncommon::syllabuswrapper(&mt('Syllabus'),$2,$1).	&Apache::loncommon::syllabuswrapper(&mt('Syllabus'),$trest,$tdom).
'</span>';	'</span>';
$ttype = $newhash{'type'};	$ttype = $newhash{'type'};
} else {	} else {
$twhere=&mt('Currently not available');	$twhere=&mt('Currently not available');
$env{'course.'.$tcourseid.'.description'}=$twhere;	$env{'course.'.$tcourseid.'.description'}=$twhere;
}	}
my $trole = &Apache::lonnet::plaintext($ccrole,$ttype);	my $trole = &Apache::lonnet::plaintext($ccrole,$ttype,$tcourseid);
$twhere.="<br />".&mt('Domain').":".$1;	$twhere.="<br />".&mt('Domain').":".$1;
($roletext,$roletext_end) = &build_roletext($trolecode,$1,$2,'is',$tryagain,$advanced,'',$tbg,$trole,$twhere,'','','',1,'');	($roletext,$roletext_end) = &build_roletext($trolecode,$tdom,$trest,'is',$tryagain,$advanced,'',$tbg,$trole,$twhere,'','','',1,'');
}	}
}	}
return ($roletext,$roletext_end);	return ($roletext,$roletext_end);
Line 1702 sub adhoc_roles_row {	Line 1756 sub adhoc_roles_row {
my $carole = &Apache::lonnet::plaintext('ca');	my $carole = &Apache::lonnet::plaintext('ca');
my $selectcalink = &coauthorlink($dcdom,$rowtype);	my $selectcalink = &coauthorlink($dcdom,$rowtype);
$output.=$ccrole.': '.$selectcclink	$output.=$ccrole.': '.$selectcclink
.' \| '.$carole.': '.$selectcalink	.' \| '.$carole.': '.$selectcalink.'</td>'
.&Apache::loncommon::end_data_table_row();	.&Apache::loncommon::end_data_table_row();
return $output;	return $output;
}	}
Line 1760 course they should act on, etc. Both in	Line 1814 course they should act on, etc. Both in
handler determines via C<lonnet>'s C<&allowed> function that a certain	handler determines via C<lonnet>'s C<&allowed> function that a certain
action is not allowed, C<lonroles> is used as error handler. This	action is not allowed, C<lonroles> is used as error handler. This
allows the user to select another role which may have permission to do	allows the user to select another role which may have permission to do
what they were trying to do. C<lonroles> can also be accessed via the	what they were trying to do.
B<CRS> button in the Remote Control.

=begin latex	=begin latex

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>

Removed from v.1.240.2.3
changed lines
	Added in v.1.256