--- loncom/interface/coursecatalog.pm 2006/10/18 14:07:47 1.10
+++ loncom/interface/coursecatalog.pm 2007/01/12 21:07:37 1.17
@@ -1,3 +1,7 @@
+# The LearningOnline Network with CAPA
+# Handler for displaying the course catalog interface
+#
+# $Id: coursecatalog.pm,v 1.17 2007/01/12 21:07:37 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -47,8 +51,7 @@ sub handler {
my $lonidsdir=$r->dir_config('lonIDsDir');
my $handle;
if ($lonid) {
- $handle=$lonid->value;
- $handle=~s/\W//g;
+ $handle=&LONCAPA::clean_handle($lonid->value);
}
if ((-e "$lonidsdir/$handle.id") && ($handle ne '')) {
&Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
@@ -67,7 +70,7 @@ sub handler {
&course_selector($r,$codedom,$formname,$domdesc);
if ($env{'form.state'} eq 'listing') {
$r->print(' '.&print_course_listing($codedom).' ');
- }
+ }
}
$r->print(&Apache::loncommon::end_page());
return OK;
@@ -237,6 +240,13 @@ function setCourseId(caller) {
''."\n".''."\n".
''
);
+ if (&user_is_dc($codedom)) {
+ my $showdetails_status;
+ if ($env{'form.showdetails'}) {
+ $showdetails_status = 'checked="checked" ';
+ }
+ $r->print('
'.&mt('Show full details for each course (DC only)').' ');
+ }
$r->print('');
if ($numtitles > 4) {
$r->print(' '.$codetitles[$numtitles-1].' '."\n".
@@ -253,6 +263,18 @@ function setCourseId(caller) {
return;
}
+sub user_is_dc {
+ my ($codedom) = @_;
+ if (exists($env{'user.role.dc./'.$codedom.'/'})) {
+ my $livedc = 1;
+ my $now = time;
+ my ($start,$end)=split(/\./,$env{'user.role.dc./'.$codedom.'/'});
+ if ($start && $start>$now) { $livedc = 0; }
+ if ($end && $end <$now) { $livedc = 0; }
+ return $livedc;
+ }
+ return;
+}
sub recurse_options {
my ($currkey,$currlist,$level,$cat,$cat_options,$data,$by_year,$by_sem,$by_dept) = @_;
@@ -366,6 +388,13 @@ sub print_course_listing {
my ($domain) = @_;
my $output;
my %courses;
+ my $knownuser = &user_is_known();
+ my $details = $env{'form.coursenum'};
+ if (&user_is_dc($domain)) {
+ if ($env{'form.showdetails'}) {
+ $details = 1;
+ }
+ }
if ($env{'form.coursenum'} ne '') {
%courses = &Apache::lonnet::courseiddump($domain,'.',1,'.','.',
$env{'form.coursenum'},
@@ -380,19 +409,29 @@ sub print_course_listing {
$output = &mt('No courses match the criteria you selected.');
return $output;
}
- if (&user_is_known()) {
+ if ($knownuser && !$env{'form.showdetails'}) {
$output = &mt('Note for students: If you are officially enrolled in a course but the course is not listed in your LON-CAPA courses, click the "Show more details" link for the specific course and check the default access dates and/or automated enrollment settings. ');
}
}
- $output .= &Apache::loncommon::start_data_table().
- &Apache::loncommon::start_data_table_header_row();
- my @coltitles = ('Code','Sections','Crosslisted','Title','Owner');
+ $output .= &construct_data_table($knownuser,\%courses,$details);
+ $output .= &Apache::lonhtmlcommon::echo_form_input(['coursenum','state','catalogfilter','sortby','showdetails']);
+ return $output;
+}
+
+sub construct_data_table {
+ my ($knownuser,$courses,$details,$usersections) = @_;
my %sortname;
- if ($env{'form.coursenum'} eq '') {
+ if (($details eq '') || ($env{'form.showdetails'})) {
$sortname{'Code'} = 'code';
$sortname{'Title'} = 'title';
$sortname{'Owner'} = 'owner';
}
+ my $output = &Apache::loncommon::start_data_table().
+ &Apache::loncommon::start_data_table_header_row();
+ my @coltitles = ('Code','Sections','Crosslisted','Title','Owner');
+ if (ref($usersections) eq 'HASH') {
+ $coltitles[1] = 'Your Section';
+ }
foreach my $item (@coltitles) {
$output .= '';
if (defined($sortname{$item})) {
@@ -402,20 +441,21 @@ sub print_course_listing {
}
$output .= ' ';
}
- if (&user_is_known()) {
- if ($env{'form.coursenum'} eq '') {
- $output .= ' ';
- } else {
+ if ($knownuser) {
+ if ($details) {
$output .=
''.&mt('Default Access Dates for Students').' '.
''.&mt('Student Counts').' '.
''.&mt('Auto-enrollment of registered students').' ';
+ } else {
+ $output .= ' ';
}
}
&Apache::loncommon::end_data_table_header_row();
- my %courseinfo = &build_courseinfo_hash(%courses);
+ my %courseinfo = &build_courseinfo_hash($courses,$knownuser,$details,
+ $usersections);
my %Sortby;
- foreach my $course (sort(keys(%courses))) {
+ foreach my $course (sort(keys(%{$courses}))) {
if ($env{'form.sortby'} eq 'code') {
push(@{$Sortby{$courseinfo{$course}{'code'}}},$course);
} elsif ($env{'form.sortby'} eq 'owner') {
@@ -433,33 +473,31 @@ sub print_course_listing {
foreach my $item (@sorted_courses) {
foreach my $course (@{$Sortby{$item}}) {
$output.=&Apache::loncommon::start_data_table_row();
- $output.=&courseinfo_row($courseinfo{$course});
+ $output.=&courseinfo_row($courseinfo{$course},$knownuser,$details);
$output.=&Apache::loncommon::end_data_table_row();
}
}
$output .= &Apache::loncommon::end_data_table();
- my $echo = &Apache::lonhtmlcommon::echo_form_input(['coursenum','state','catalogfilter','sortby']);
- $output .= $echo;
return $output;
}
sub build_courseinfo_hash {
- my (%courses) = @_;
+ my ($courses,$knownuser,$details,$usersections) = @_;
my %courseinfo;
my $now = time;
- foreach my $course (keys(%courses)) {
+ foreach my $course (keys(%{$courses})) {
my $descr;
- if ($courses{$course} =~ m/^([^:]*):/i) {
+ if ($courses->{$course} =~ m/^([^:]*):/i) {
$descr = &unescape($1);
} else {
- $descr = &unescape($courses{$course});
+ $descr = &unescape($courses->{$course});
}
my $cleandesc=&HTML::Entities::encode($descr,'<>&"');
$cleandesc=~s/'/\\'/g;
$cleandesc =~ s/^\s+//;
my ($cdom,$cnum)=split(/\_/,$course);
- my ($desc,$instcode,$owner,$ttype) = split(/:/,$courses{$course});
+ my ($desc,$instcode,$owner,$ttype) = split(/:/,$courses->{$course});
$owner = &unescape($owner);
my ($ownername,$ownerdom);
if ($owner =~ /:/) {
@@ -484,41 +522,47 @@ sub build_courseinfo_hash {
my %coursehash = &Apache::lonnet::dump('environment',$cdom,$cnum);
my @classids;
my @crosslistings;
- my $seclist = &identify_sections($coursehash{'internal.sectionnums'});
+ my ($seclist,$numsec) =
+ &identify_sections($coursehash{'internal.sectionnums'});
+ if (ref($usersections) eq 'HASH') {
+ if (ref($usersections->{$course}) eq 'ARRAY') {
+ $seclist = join(', ',@{$usersections->{$course}});
+ }
+ }
$courseinfo{$course}{'seclist'} = $seclist;
- my $xlist_items = &identify_sections($coursehash{'internal.crosslistings'});
+ my ($xlist_items,$numxlist) =
+ &identify_sections($coursehash{'internal.crosslistings'});
my $showsyllabus = 1; # default is to include a syllabus link
if (defined($coursehash{'showsyllabus'})) {
$showsyllabus = $coursehash{'showsyllabus'};
}
$courseinfo{$course}{'showsyllabus'} = $showsyllabus;
- if (defined($env{'form.coursenum'})) {
- if ($cnum eq $env{'form.coursenum'}) {
- $courseinfo{$course}{'counts'} = &count_students($cdom,$cnum);
- $courseinfo{$course}{'autoenrollment'} =
- &autoenroll_info(\%coursehash,$now,$seclist,$xlist_items,
- $instcode,$owner,$cdom,$cnum);
-
- my $startaccess = '';
- my $endaccess = '';
- my $accessdates;
- if ( defined($coursehash{'default_enrollment_start_date'}) ) {
- $startaccess = &Apache::lonlocal::locallocaltime($coursehash{'default_enrollment_start_date'});
- }
- if ( defined($coursehash{'default_enrollment_end_date'}) ) {
- $endaccess = &Apache::lonlocal::locallocaltime($coursehash{'default_enrollment_end_date'});
- if ($coursehash{'default_enrollment_end_date'} == 0) {
- $endaccess = "No ending date";
- }
- }
- if ($startaccess) {
- $accessdates .= &mt('From: ').$startaccess.' ';
- }
- if ($endaccess) {
- $accessdates .= &mt('To: ').$endaccess.' ';
- }
- $courseinfo{$course}{'access'} = $accessdates;
+ if (((defined($env{'form.coursenum'}) && ($cnum eq $env{'form.coursenum'}))) ||
+ ($knownuser && ($details == 1))) {
+ $courseinfo{$course}{'counts'} = &count_students($cdom,$cnum,$numsec);
+ $courseinfo{$course}{'autoenrollment'} =
+ &autoenroll_info(\%coursehash,$now,$seclist,$xlist_items,
+ $instcode,$owner,$cdom,$cnum);
+
+ my $startaccess = '';
+ my $endaccess = '';
+ my $accessdates;
+ if ( defined($coursehash{'default_enrollment_start_date'}) ) {
+ $startaccess = &Apache::lonlocal::locallocaltime($coursehash{'default_enrollment_start_date'});
+ }
+ if ( defined($coursehash{'default_enrollment_end_date'}) ) {
+ $endaccess = &Apache::lonlocal::locallocaltime($coursehash{'default_enrollment_end_date'});
+ if ($coursehash{'default_enrollment_end_date'} == 0) {
+ $endaccess = "No ending date";
+ }
+ }
+ if ($startaccess) {
+ $accessdates .= &mt('From: ').$startaccess.' ';
+ }
+ if ($endaccess) {
+ $accessdates .= &mt('To: ').$endaccess.' ';
}
+ $courseinfo{$course}{'access'} = $accessdates;
}
if ($xlist_items eq '') {
$xlist_items = &mt('No');
@@ -529,7 +573,7 @@ sub build_courseinfo_hash {
}
sub count_students {
- my ($cdom,$cnum) = @_;
+ my ($cdom,$cnum,$numsec) = @_;
my $classlist = &Apache::loncoursedata::get_classlist($cdom,$cnum);
my %student_count = (
Active => 0,
@@ -548,7 +592,7 @@ sub count_students {
$student_count{$data->[$idx{'status'}]} ++;
}
- my $countslist;
+ my $countslist = &mt('[quant,_1,section]',$numsec).': ';
foreach my $status ('Active','Future') {
$countslist .= ''.$status_title{$status}.': '.
$student_count{$status}.' ';
@@ -557,7 +601,7 @@ sub count_students {
}
sub courseinfo_row {
- my ($info) = @_;
+ my ($info,$knownuser,$details) = @_;
my ($cdom,$cnum,$title,$ownerlast,$code,$owner,$seclist,$xlist_items,
$accessdates,$showsyllabus,$counts,$autoenrollment,$output);
if (ref($info) eq 'HASH') {
@@ -589,14 +633,14 @@ sub courseinfo_row {
}
$output .= ''.
''.$ownerlast.' ';
- if (&user_is_known()) {
- if ($env{'form.coursenum'} eq '') {
- $output .= "".&mt('Show more details').' ';
- } else {
+ if ($knownuser) {
+ if ($details) {
$output .=
''.$accessdates.' '.
''.$counts.' '.
''.$autoenrollment.' ';
+ } else {
+ $output .= "".&mt('Show more details').' ';
}
}
return $output;
@@ -621,7 +665,8 @@ sub identify_sections {
}
@secnums = sort {$a <=> $b} @secnums;
my $seclist = join(', ',@secnums);
- return $seclist;
+ my $numsec = @secnums;
+ return ($seclist,$numsec);
}
sub get_valid_classes {
@@ -632,7 +677,7 @@ sub get_valid_classes {
@{$validations{'xlists'}} = ();
my $totalitems = 0;
if ($seclist) {
- foreach my $sec (split(',',$seclist)) {
+ foreach my $sec (split(/, /,$seclist)) {
my $class = $crscode.$sec;
if (&Apache::lonnet::auto_validate_class_sec($cdom,$cnum,$owner,
$class) eq 'ok') {
@@ -644,7 +689,7 @@ sub get_valid_classes {
}
}
if ($xlist_items) {
- foreach my $item (split(',',$xlist_items)) {
+ foreach my $item (split(/, /,$xlist_items)) {
if (&Apache::lonnet::auto_validate_class_sec($cdom,$cnum,$owner,
$item) eq 'ok') {
if (!grep(/^\Q$item$\E/,@{$validations{'xlists'}})) {
@@ -657,11 +702,11 @@ sub get_valid_classes {
if ($totalitems > 0) {
if (@{$validations{'sections'}}) {
$response = &mt('Sections: ').
- join(',',@{$validations{'sections'}}).' ';
+ join(', ',@{$validations{'sections'}}).' ';
}
if (@{$validations{'xlists'}}) {
$response .= &mt('Courses: ').
- join(',',@{$validations{'xlists'}});
+ join(', ',@{$validations{'xlists'}});
}
}
return $response;