--- loncom/interface/coursecatalog.pm 2006/09/25 00:16:56 1.5 +++ loncom/interface/coursecatalog.pm 2016/10/23 21:21:56 1.88.2.1 @@ -1,3 +1,7 @@ +# The LearningOnline Network with CAPA +# Handler for displaying the course catalog interface +# +# $Id: coursecatalog.pm,v 1.88.2.1 2016/10/23 21:21:56 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -28,12 +32,13 @@ use strict; use lib qw(/home/httpd/lib/perl); use Apache::Constants qw(:common); use Apache::loncommon; +use Apache::lonhtmlcommon; use Apache::lonnet; use Apache::lonlocal; -use Apache::lonsupportreq; +use Apache::courseclassifier; use Apache::lonacc; -use lib '/home/httpd/lib/perl/'; use LONCAPA; +use LONCAPA::lonauthcgi; sub handler { my ($r) = @_; @@ -42,350 +47,1537 @@ sub handler { if ($r->header_only) { return OK; } + my $handle = &Apache::lonnet::check_for_valid_session($r); + my $lonidsdir=$r->dir_config('lonIDsDir'); + if ($handle ne '') { + &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle); + } &Apache::lonacc::get_posted_cgi($r); &Apache::lonlocal::get_language_handle($r); - &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['sortby']); - my $codedom = $Apache::lonnet::perlvar{'lonDefDomain'}; - my $ccode = ''; + &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, + ['sortby','showdom']); + + my $codedom = &Apache::lonnet::default_login_domain(); + + if (($env{'user.domain'} ne '') && ($env{'user.domain'} ne 'public')) { + $codedom = $env{'user.domain'}; + if ($env{'request.role.domain'} ne '') { + $codedom = $env{'request.role.domain'}; + } + } + my $formname = 'coursecatalog'; + if ($env{'form.showdom'} ne '') { + $env{'form.showdom'} = &LONCAPA::clean_domain($env{'form.showdom'}); + if (&Apache::lonnet::domain($env{'form.showdom'}) ne '') { + $codedom = $env{'form.showdom'}; + } else { + $env{'form.showdom'} = ''; + } + } + my $domdesc = &Apache::lonnet::domain($codedom,'description'); + &Apache::lonhtmlcommon::clear_breadcrumbs(); + + my %domconfig = + &Apache::lonnet::get_dom('configuration',['coursecategories'],$codedom); + my $knownuser = &user_is_known(); + my $canviewall = &canview_all($knownuser,$codedom); + + my ($cathash,$cattype); + if (ref($domconfig{'coursecategories'}) eq 'HASH') { + $cathash = $domconfig{'coursecategories'}{'cats'}; + if ($knownuser || $canviewall) { + $cattype = $domconfig{'coursecategories'}{'auth'}; + } else { + $cattype = $domconfig{'coursecategories'}{'unauth'}; + } + if ($cattype eq '') { + $cattype = 'std'; + } + } else { + $cathash = {}; + $cattype = 'std'; + } + if ($cattype eq 'none') { + $r->print(&Apache::loncommon::start_page('Course/Community Catalog')); + &Apache::lonhtmlcommon::add_breadcrumb + ({href=>"/adm/coursecatalog", + text=>"Course/Community Catalog"}); + $r->print(&Apache::lonhtmlcommon::breadcrumbs('Course/Community Catalog')); + if ($knownuser || $canviewall) { + $r->print('
'.&mt('No catalog of LON-CAPA courses/communities is provided for: [_1]',$domdesc).'
'); + } else { + if ($domconfig{'coursecategories'}{'auth'} eq 'none') { + $r->print('
'.&mt('No catalog of LON-CAPA courses/communities is provided for: [_1]',$domdesc).'
'); + } else { + $r->print('
'.&mt('The catalog of LON-CAPA courses/communities provided for: "[_1]" is only available to users who are logged in.',$domdesc).'
'); + } + } + $r->print(&Apache::loncommon::end_page()); + return OK; + } + + my $cnum; + if ($cattype eq 'codesrch') { + my ($uniquecode,$codemsg,$brtext); + if ($env{'form.uniquecode'}) { + $uniquecode = $env{'form.uniquecode'}; + $uniquecode =~ s/^\s+|\s+$//g; + } + my $js = ''."\n"; + $r->print(&Apache::loncommon::start_page('Search for a Course/Community',$js)); + if ($uniquecode =~ /^\w{6}$/) { + &Apache::lonhtmlcommon::add_breadcrumb + ({href=>"/adm/coursecatalog", + text=>"Course/Community Catalog"}); + $brtext = 'Search Result'; + } else { + $brtext = 'Course/Community Catalog'; + } + &Apache::lonhtmlcommon::add_breadcrumb + ({href=>"/adm/coursecatalog", + text=>"$brtext"}); + $r->print(&Apache::lonhtmlcommon::breadcrumbs('Course/Community Catalog')); + $r->print(&coursesearch($codedom,$domdesc,$uniquecode)); + if ($uniquecode =~ /^\w{6}$/) { + $r->print('
'); + my $confname = $codedom.'-domainconfig'; + my %codes = &Apache::lonnet::get('uniquecodes',[$uniquecode],$codedom,$confname); + if ($codes{$uniquecode}) { + $cnum = $codes{$uniquecode}; + my %courses = &Apache::lonnet::courseiddump($codedom,'.',1,'.','.', + $cnum,undef,undef,'.',1); + if (keys(%courses)) { + $env{'form.coursenum'} = $cnum; + my %courseinfo = &build_courseinfo_hash(\%courses,$knownuser,$codedom,$canviewall); + undef($env{'form.coursenum'}); + if (ref($courseinfo{$codedom.'_'.$cnum}) eq 'HASH') { + $r->print(&Apache::lonhtmlcommon::start_pick_box()); + my @cols = ('title','ownerlastnames','seclist','access'); + my %lt = &Apache::lonlocal::texthash( + title => 'Title', + ownerlastnames => 'Owner & Co-owner(s)', + seclist => 'Sections', + access => 'Default Access Dates for Students', + ); + my @shown; + foreach my $item (@cols) { + if ($courseinfo{$codedom.'_'.$cnum}{$item}) { + push(@shown,$item); + } + } + my $num = 0; + foreach my $item (@shown) { + $num ++; + $r->print(&Apache::lonhtmlcommon::row_title($lt{$item}). + $courseinfo{$codedom.'_'.$cnum}{$item}); + if ($item eq 'title') { + if ($courseinfo{$codedom.'_'.$cnum}{'showsyllabus'}) { + $r->print(' '. + ''. + &mt('Syllabus').''); + } + } + my $arg = ( $num == scalar(@shown) ? 1 : '' ); + $r->print(&Apache::lonhtmlcommon::row_closure($arg)); + } + $r->print(&Apache::lonhtmlcommon::end_pick_box()); + my $selfenroll = &selfenroll_status($courseinfo{$codedom.'_'.$cnum},$codedom.'_'.$cnum); + if ($selfenroll) { + $r->print('
'.$selfenroll); + } + $r->print('
'."\n". + ''."\n". + ''."\n". + '
'."\n"); + + } else { + $codemsg = &mt('Code matched, but course ID to which this mapped is invalid.'); + } + } else { + $codemsg = &mt('Code matched, but course ID to which this mapped is invalid.'); + } + } else { + $codemsg = &mt('No match'); + } + } + $r->print('
'.&Apache::loncommon::end_page()); + return OK; + } else { + if ($env{'form.coursenum'}) { + $cnum = $env{'form.coursenum'}; + } + } + + if ($env{'form.catalog_maxdepth'} ne '') { + $env{'form.catalog_maxdepth'} =~ s{\D}{}g; + } + + my (@cats,@trails,%allitems,%idx,@jsarray,%subcathash,$subcats); + if ($env{'form.withsubcats'}) { + $subcats = \%subcathash; + } + &Apache::loncommon::extract_categories($cathash,\@cats,\@trails,\%allitems, + \%idx,\@jsarray,$subcats); + my ($numtitles,@codetitles); + if (($env{'form.coursenum'} ne '') && ($knownuser)) { + &course_details($r,$codedom,$formname,$domdesc,\@trails,\%allitems,\@codetitles); + } else { + my ($catlinks,$has_subcats,$selitem) = &category_breadcrumbs($codedom,@cats); + my $wasacctext = &get_wasactive_text(); + my $catjs = <<"ENDSCRIPT"; + +function setCatDepth(depth) { + document.coursecats.catalog_maxdepth.value = depth; + if (depth == '') { + document.coursecats.currcat_0.value = ''; + } + document.coursecats.submit(); + return; +} + +function changeSort(caller) { + document.$formname.sortby.value = caller; + document.$formname.submit(); +} + +function setCourseId(caller) { + document.$formname.coursenum.value = caller; + document.$formname.submit(); +} + +ENDSCRIPT + $catjs .= &courselink_javascript(); + if (&user_is_dc($codedom) || $canviewall) { + $catjs .= <print(&print_course_listing($codedom,$numtitles,undef,undef,undef, + \@codetitles,$canviewall)); + } + } else { + my (%add_entries); + my ($currdepth,$deeper) = &get_depth_values(); + if ($selitem) { + my $alert = &mt('Choose a subcategory to display'); + if (!$deeper) { + $alert = &mt('Choose a category to display'); + } + &js_escape(\$alert); + $catjs .= <'; + &cat_header($r,$codedom,$catjs,\%add_entries,$catlinks,undef,$cattype); + if ($env{'form.currcat_0'} ne '') { + $r->print('
'. + &additional_filters($codedom,$has_subcats,$canviewall)."\n"); + $r->print(''."\n"); + for (my $i=0; $i<$deeper; $i++) { + $r->print(''."\n"); + } + my $display_button; + if ($env{'form.currcat_0'} eq 'communities::0') { + $display_button = &mt('Display communities'); + } else { + $display_button = &mt('Display courses'); + } + $r->print(''."\n". + ''."\n". + ''."\n". + ''. + '


'); + } + if ($env{'form.state'} eq 'listing') { + $r->print(&print_course_listing($codedom,undef,\@trails,\%allitems,$subcats,\@codetitles, + $canviewall)); + } + } + } + $r->print('
'.&Apache::loncommon::end_page()); + return OK; +} + +sub course_details { + my ($r,$codedom,$formname,$domdesc,$trails,$allitems,$codetitles) = @_; + my $output; + my %add_entries = (topmargin => "0", + marginheight => "0",); + my $js = ''."\n"; + my $start_page = + &Apache::loncommon::start_page('Course/Community Catalog',$js, + {'add_entries' => \%add_entries, }); + $r->print($start_page); + if ($env{'form.numtitles'} > 0) { + &Apache::lonhtmlcommon::add_breadcrumb + ({href=>"/adm/coursecatalog", + text=>"Course/Community Catalog"}); + } + my $brtextone = 'Course listing'; + my $brtexttwo = 'Course details'; + if ($env{'form.currcat_0'} eq 'communities::0') { + $brtextone = 'Community listing'; + $brtexttwo = 'Community details'; + } + &Apache::lonhtmlcommon::add_breadcrumb + ({href=>"javascript:document.$formname.submit()", + text=>$brtextone}, + {text=>$brtexttwo}); + $r->print( + &Apache::lonhtmlcommon::breadcrumbs('Course/Community Catalog'). + '

'. + (($env{'form.currcat_0'} eq 'communities::0') ? + &mt('Detailed community information:') : + &mt('Detailed course information:')). + '

'. + &print_course_listing($codedom,undef,$trails,$allitems,undef,$codetitles). + '
'. + '
'. + &Apache::lonhtmlcommon::actionbox([ + ''. + (($env{'form.currcat_0'} eq 'communities::0') ? + &mt('Back to community listing') : &mt('Back to course listing')). + '' + ]). + &Apache::lonhtmlcommon::echo_form_input(['coursenum','catalogfilter', + 'showdetails','courseid']). + '
'); + return; +} + +sub coursesearch { + my ($codedom,$domdesc,$uniquecode) = @_; + my %lt = &Apache::lonlocal::texthash ( + crlk => 'Course look-up', + code => 'Code', + ifyo => 'Enter the course code (six letters and numbers)', + srch => 'Find course', + ); + return <<"END"; +

$lt{'crlk'} ($domdesc)

+$lt{'ifyo'} +
+ +  +
+ +
+END +} + +sub courselink_javascript { + return <<"END"; + +function ToSyllabus(cdom,cnum) { + if (cdom == '' || cdom == null) { + return; + } + if (cnum == '' || cnum == null) { + return; + } + document.linklaunch.action = "/public/"+cdom+"/"+cnum+"/syllabus"; + document.linklaunch.submit(); +} + +function ToSelfenroll(courseid) { + if (courseid == '') { + return; + } + document.linklaunch.action = "/adm/selfenroll"; + document.linklaunch.courseid.value = courseid; + document.linklaunch.submit(); +} + +END +} + +sub instcode_course_selector { + my ($r,$codedom,$formname,$domdesc,$catlinks,$catjs,$codetitles,$cattype,$canviewall) = @_; my %coursecodes = (); my %codes = (); - my @codetitles = (); my %cat_titles = (); my %cat_order = (); - my %idlist = (); - my %idnums = (); - my %idlist_titles = (); + my %cat_items; my $caller = 'global'; my $format_reply; - my $totcodes = 0; - my $jscript = ''; - my $formname = 'coursecatalog'; - my $domdesc = $Apache::lonnet::domaindescription{$codedom}; - $totcodes = &Apache::lonsupportreq::retrieve_instcodes(\%coursecodes,$codedom,$totcodes); - if ($totcodes > 0) { - if ($ccode eq '') { - $format_reply = &Apache::lonnet::auto_instcode_format($caller,$codedom,\%coursecodes,\%codes,\@codetitles,\%cat_titles,\%cat_order); - if ($format_reply eq 'ok') { - my $numtypes = @codetitles; - &Apache::lonsupportreq::build_code_selections(\%codes,\@codetitles,\%cat_titles,\%cat_order,\%idlist,\%idnums,\%idlist_titles); - &Apache::lonsupportreq::javascript_code_selections($formname,$numtypes,\%cat_titles,\$jscript,\%idlist,\%idnums,\%idlist_titles,\@codetitles); - } - } - if ($env{'form.state'} eq 'listing') { - $jscript .= ' -function setElements() { -'; - for (my $i=0; $i<@codetitles; $i++) { - if ($env{'form.'.$codetitles[$i]} != -1) { - $jscript .= ' - for (var j=0; j "0", + marginheight => "0",); + my ($jscript,$totcodes,$numtitles,$lasttitle) = + &Apache::courseclassifier::instcode_selectors_data($codedom,$formname, + \%cat_items,$codetitles,\%cat_titles,\%cat_order); + my $js = ''; + if ($totcodes) { + if (($env{'form.state'} eq 'listing') && ($numtitles > 0)) { + $add_entries{'onload'} = 'setElements();'; + } + if (&user_is_dc($codedom) || $canviewall) { + $add_entries{'onload'} .= ' toggleStatuses();toggleWasActive();' + } + &cat_header($r,$codedom,$js,\%add_entries,$catlinks,$numtitles,$cattype); + my $cat_maxdepth = $env{'form.catalog_maxdepth'}; + $r->print('
'. + ''."\n". + ''."\n". + ''. + &additional_filters($codedom,undef,$canviewall)); + if ($numtitles > 0) { + $r->print(''.&mt('Choose which course(s) to list.').'
'. + &Apache::courseclassifier::build_instcode_selectors($numtitles, + $lasttitle,\%cat_items,$codetitles,\%cat_titles,\%cat_order)); + } + $r->print(''."\n". + ''."\n". + ''."\n". + ''. + '


'); + } else { + $js = ''; + &cat_header($r,$codedom,$js,\%add_entries,$catlinks,$numtitles,$cattype); + my $cat_maxdepth = $env{'form.catalog_maxdepth'}; + $r->print('
'. + ''. + ''. + ''); + $r->print('
'.&mt('No official courses to display for [_1].',$domdesc).'
'); + } + return $numtitles; +} + +sub cat_header { + my ($r,$codedom,$js,$add_entries,$catlinks,$numtitles,$cattype) = @_; + my $start_page = + &Apache::loncommon::start_page('Course/Community Catalog',$js, + { 'add_entries' => $add_entries, }); + $r->print($start_page); + my $brtext = 'Course listing'; + if ($env{'form.currcat_0'} eq 'communities::0') { + $brtext = 'Community listing'; + } + if ($env{'form.state'} eq 'listing') { + if ($numtitles > 0) { + &Apache::lonhtmlcommon::add_breadcrumb + ({href=>"/adm/coursecatalog", + text=>"Course/Community Catalog"}, + {text=>$brtext}); + } else { + &Apache::lonhtmlcommon::add_breadcrumb + ({text=>$brtext}); + } + } else { + &Apache::lonhtmlcommon::add_breadcrumb + ({href=>"/adm/coursecatalog", + text=>"Course/Community Catalog"}); + } + $r->print(&Apache::lonhtmlcommon::breadcrumbs('Course/Community Catalog')); + if ($cattype eq 'std') { + my $onchange = 'this.form.submit()'; + $r->print('
'. + '
'.&mt('Domain:').''. + &Apache::loncommon::select_dom_form($codedom,'showdom','',1,$onchange)); + if (!$onchange) { + $r->print(' '); } + $r->print('
'); } -'; - $jscript .= ' courseSet('."'$codetitles[$i]'".');'."\n"; - } else { - last; - } + $r->print('
'. + ''.$catlinks.'
'); + return; +} + +sub category_breadcrumbs { + my ($dom,@cats) = @_; + my $crumbsymbol = ' ▶ '; + my ($currdepth,$deeper) = &get_depth_values(); + my $currcat_str = + ''. + ''; + my $catlinks = ''.&mt('Catalog:').''; + return ($catlinks,$has_subcats,$selitem); +} + +sub main_category_selector { + my (@cats) = @_; + my $maincatlinks = ''."\n"; + } + return $maincatlinks; +} + +sub get_depth_values { + my $currdepth = 0; + my $deeper = 0; + if ($env{'form.catalog_maxdepth'} ne '') { + $currdepth = $env{'form.catalog_maxdepth'}; + if ($env{'form.currcat_'.$currdepth} eq '') { + $deeper = $currdepth; + } else { + $deeper = $currdepth + 1; + } + } + return ($currdepth,$deeper); +} + +sub additional_filters { + my ($codedom,$has_subcats,$canviewall) = @_; + my $is_dc = &user_is_dc($codedom); + my $output = '
'; + if ($is_dc || $canviewall) { + $output .= '
'.&mt('Options').''; + } + $output .= '
'; + my $has_subcats; + my $selitem; + if (ref($cats[0]) eq 'ARRAY') { + if (@{$cats[0]} == 0) { + $catlinks .= &mt('No categories defined in this domain'); + } elsif (@{$cats[0]} == 1) { + if ($cats[0][0] eq 'instcode') { + $catlinks .= &mt('Official courses (with institutional codes)'); + $env{'form.currcat_0'} = 'instcode::0'; + } elsif ($cats[0][0] eq 'communities') { + $catlinks .= &mt('Communities'); + $env{'form.currcat_0'} = 'communities::0'; + } else { + my $name = $cats[0][0]; + my $item = &escape($name).'::0'; + $catlinks .= $name; + $env{'form.currcat_0'} = $item; } - $jscript .= '}'; - $jscript .= qq| -function changeSort(caller) { - document.coursecatalog.sortby.value = caller; - document.coursecatalog.submit(); -}\n|; - } - my $js = ''; - my %add_entries = (topmargin => "0", - marginheight => "0", - onLoad =>"setElements()",); - my $start_page = - &Apache::loncommon::start_page('Course Catalog',$js, - { - 'add_entries' => \%add_entries, - 'no_inline_link' => 1,}); - $r->print($start_page); - - my $numtitles = @codetitles; - $r->print('

'.&mt('Display information about official [_1] classes for which LON-CAPA courses have been created:',$domdesc).'

'); - $r->print(&mt('Choose which course(s) to list.
')); - $r->print('
'); - if ($numtitles > 0) { - my $lasttitle = $numtitles; - if ($numtitles > 4) { - $lasttitle = 4; - } - $r->print('
'.$codetitles[0].'
'."\n". - ''; + } else { + $catlinks .= &main_category_selector(@cats); + if (($env{'form.currcat_0'} ne '') && + ($env{'form.currcat_0'} ne 'instcode::0')) { + $catlinks .= $crumbsymbol; + } + } + } else { + $catlinks .= &mt('Official courses (with institutional codes)'); + $env{'form.currcat_0'} = 'instcode::0'; + $currcat_str .= ''; + } + if ($deeper) { + for (my $i=1; $i<=$deeper; $i++) { + my $shallower = $i-1; + next if ($shallower == 0); + my ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$env{'form.currcat_'.$shallower}); + if ($cat ne '') { + $catlinks .= '		'. + ''; + } + unless ($i == $deeper) { + $catlinks .= $crumbsymbol; + } + } + my ($cat,$container,$depth); + if ($env{'form.currcat_'.$currdepth} eq '') { + my $shallower = $currdepth - 1; + ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$env{'form.currcat_'.$shallower}); + } else { + ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$env{'form.currcat_'.$currdepth}); + } + my $deeperlevel = $depth +1; + if (ref($cats[$deeperlevel]{$cat}) eq 'ARRAY') { + $has_subcats = 1; + my $buttontext = &mt('Show subcategories'); + my $selitem = 'currcat_'.$deeperlevel; + $catlinks .= ' '."\n"; + } elsif ($cat ne 'instcode') { + $catlinks .= ' '.&mt('(No subcategories)'); + } + } else { + $selitem = 'currcat_0'; + } + $catlinks .= $currcat_str.'
'); - for (my $i=1; $i<$numtitles; $i++) { - $r->print('' - ); + } + my ($catname) = split(/:/,$env{'form.currcat_'.$counter}); + if ($catname ne '') { + $output .= '
'; + } + } + my $show_selfenroll_status; + if ($env{'form.showselfenroll'}) { + $show_selfenroll_status = 'checked="checked" '; + } + my $selfenroll_text; + if ($env{'form.currcat_0'} eq 'communities::0') { + $selfenroll_text = &mt('Only show communities which currently allow self-enrollment (or will allow it in the future)'); + } else { + $selfenroll_text = &mt('Only show courses which currently allow self-enrollment (or will allow it in the future)'); + } + $output .= ''. + '
'; + if ($is_dc || $canviewall) { + my ($titlesref,$orderref) = &get_statustitles('filters'); + my $showdetails_status; + if ($env{'form.showdetails'}) { + $showdetails_status = 'checked="checked" '; + } + my $showhidden_status; + if ($env{'form.showhidden'}) { + $showhidden_status = 'checked="checked" '; + } + my @currstatuses = &Apache::loncommon::get_env_multiple('form.showcounts'); + my ($details_text,$hidden_text,$statusdisplay,$cellborder); + my $wasactivedisplay = 'none'; + if ($env{'form.showdetails'}) { + $statusdisplay = 'block'; + $cellborder = 'border-left: 1px solid;'; + if (grep(/^Previous$/,@currstatuses)) { + $wasactivedisplay = 'block'; } - $r->print('
'; + if (($env{'form.currcat_0'} ne 'instcode::0') && + ($env{'form.currcat_0'} ne '') && ($has_subcats)) { + my $include_subcat_status; + if ($env{'form.withsubcats'}) { + $include_subcat_status = 'checked="checked" '; + } + my $counter = $env{'form.catalog_maxdepth'}; + if ($counter > 0) { + if ($env{'form.state'} eq 'listing') { + $counter --; + } elsif ($env{'form.currcat_'.$counter} eq '') { + $counter --; } - $r->print(''.$codetitles[$i].'
'."\n". - ''."\n". - '
'); - if ($numtitles > 4) { - $r->print('

'.$codetitles[$numtitles].'
'."\n". - ''."\n"); + } else { + $statusdisplay = 'none'; + $cellborder = 'border-left: 0px'; + } + if ($env{'form.currcat_0'} eq 'communities::0') { + $details_text = &mt('Show full details for each community (domain staff only)'); + $hidden_text = &mt('Include communities set to be hidden from catalog (domain staff only)'); + } else { + $details_text = &mt('Show full details for each course (domain staff only)'); + $hidden_text = &mt('Include courses set to be hidden from catalog (domain staff only)'); + } + if ($is_dc) { + $output .= ''. + '
'."\n"; + } + $output .= ''. + ''."\n". + ''. + '
'; + if (ref($orderref) eq 'ARRAY') { + if (@{$orderref} > 0) { + foreach my $type (@{$orderref}) { + my $checked; + if (grep(/^\Q$type\E$/,@currstatuses)) { + $checked = ' checked="checked"'; + } + my $title; + if (ref($titlesref) eq 'HASH') { + $title = $titlesref->{$type}; + } + unless ($title) { + $title = &mt($type); + } + my $onclick; + if ($type eq 'Previous') { + $onclick = ' onclick="toggleWasActive();"'; + } + $output .= ''. + ''; + if ($type eq 'Previous') { + my %milestonetext = &Apache::lonlocal::texthash ( + accessend => 'immediately prior to default end access date', + enrollend => 'immediately prior to end date for auto-enrollment', + date => 'immediately prior to specific date:', + ); + my @statuses = &Apache::loncommon::get_env_multiple('form.showcounts'); + $output .= ''; + if ($checked) { + $output .= &get_wasactive_text(); + } + $output .= ''. + '
'. + ''; + my @milestones = ('accessend'); + if (&Apache::lonnet::auto_run(undef,$codedom)) { + push(@milestones,'enrollend'); + } + push(@milestones,'date'); + foreach my $item (@milestones) { + my $checked; + if ($env{'form.state'} eq 'listing') { + if ($env{'form.wasactive'} eq $item) { + $checked = ' checked="checked"'; + } + } elsif ($item eq 'accessend') { + $checked = ' checked="checked"'; + } + $output .= + ''; + } + $output .= '
 '. + ''; + if ($item eq 'date') { + my $wasactiveon; + if (grep(/^Previous$/,@currstatuses)) { + $wasactiveon = + &Apache::lonhtmlcommon::get_date_from_form('wasactiveon'); + } else { + $wasactiveon = 'now'; + } + $output .= ' '. + &Apache::lonhtmlcommon::date_setter('coursecatalog', + 'wasactiveon', + $wasactiveon, + '','','',1,'', + '','',1); + } + $output .= '
'; + } + $output .= '
'; + } } } - $r->print('
'); + $output .= '
'; } else { - $r->print(&Apache::loncommon::start_page('Course Catalog','', - { - 'no_inline_link' => 1,})); - $r->print('
'.&mt('No official courses to display for [_1].',$domdesc)); + $output .= ''; } - if ($env{'form.state'} eq 'listing') { - $r->print('

'.&print_course_listing($codedom)); + $output .= ''. + '
'; + return $output; +} + +sub user_is_dc { + my ($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; } - $r->print(&Apache::loncommon::end_page()); - return OK; + return; +} + +sub canview_all { + my ($knownuser,$codedom) = @_; + my $canviewall = 0; + my $page = 'coursecatalog'; + if (&LONCAPA::lonauthcgi::can_view($page)) { + $canviewall = 1; + } elsif (&LONCAPA::lonauthcgi::check_ipbased_access($page)) { + $canviewall= 1; + } elsif (($knownuser) && ($codedom ne '')) { + if (&Apache::lonnet::allowed('dcd',$codedom)) { + $canviewall = 1; + } + } + return $canviewall; +} + +sub get_statustitles { + my ($caller) = @_; + my @status_order = ('Active','Future','Previous'); + my %status_title; + if ($caller eq 'filters') { + %status_title = &Apache::lonlocal::texthash( + Previous => 'Show count for past access', + Active => 'Show count for current student access', + Future => 'Show count for future student access', + ); + if ($env{'form.currcat_0'} eq 'communities::0') { + $status_title{'Active'} = 'Show count for current member access'; + $status_title{'Future'} = 'Show count for future member access'; + } + } else { + %status_title = &Apache::lonlocal::texthash( + Previous => 'Previous access', + Active => 'Current access', + Future => 'Future access', + ); + } + return (\%status_title,\@status_order); +} + +sub get_wasactive_text { + my $wasacctext = ' -- '; + if ($env{'form.currcat_0'} eq 'communities::0') { + $wasacctext .= &mt('where member access status was current ...'); + } else { + $wasacctext .= &mt('where student access status was current ...'); + } + return $wasacctext; +} + +sub search_official_courselist { + my ($domain,$numtitles,$codetitles) = @_; + my $instcode = &Apache::courseclassifier::instcode_search_str($domain,$numtitles,$codetitles); + my $showhidden; + if (&user_is_dc($domain)) { + $showhidden = $env{'form.showhidden'}; + } + my %courses = + &Apache::lonnet::courseiddump($domain,'.',1,$instcode,'.','.',undef,undef, + 'Course',1,$env{'form.showselfenroll'},undef, + $showhidden,'coursecatalog'); + return %courses; +} + +sub search_courselist { + my ($domain,$subcats) = @_; + my $cat_maxdepth = $env{'form.catalog_maxdepth'}; + my $filter = $env{'form.currcat_'.$cat_maxdepth}; + if (($filter eq '') && ($cat_maxdepth > 0)) { + my $shallower = $cat_maxdepth - 1; + $filter = $env{'form.currcat_'.$shallower}; + } + my %courses; + my $filterstr; + if ($filter ne '') { + if ($env{'form.withsubcats'}) { + if (ref($subcats) eq 'HASH') { + if (ref($subcats->{$filter}) eq 'ARRAY') { + $filterstr = join('&',@{$subcats->{$filter}}); + if ($filterstr ne '') { + $filterstr = $filter.'&'.$filterstr; + } + } else { + $filterstr = $filter; + } + } else { + $filterstr = $filter; + } + } else { + $filterstr = $filter; + } + my ($showhidden,$typefilter); + if (&user_is_dc($domain)) { + $showhidden = $env{'form.showhidden'}; + } + if ($env{'form.currcat_0'} eq 'communities::0') { + $typefilter = 'Community'; + } else { + $typefilter = '.'; + } + %courses = + &Apache::lonnet::courseiddump($domain,'.',1,'.','.','.',undef,undef, + $typefilter,1,$env{'form.showselfenroll'}, + $filterstr,$showhidden,'coursecatalog'); + } + return %courses; } sub print_course_listing { - my ($domain) = @_; + my ($domain,$numtitles,$trails,$allitems,$subcats,$codetitles,$canviewall) = @_; my $output; - my $year = $env{'form.Year'}; - my $sem = $env{'form.Semester'}; - my $dept = $env{'form.Department'}; - my $coursenum = $env{'form.Number'}; - my $instcode; - if ($sem != -1) { - $instcode .= $sem; - } - if ($year != -1) { - $instcode .= $year; - } - if ($dept != -1) { - $instcode .= $dept; - } - if ($coursenum != -1) { - $instcode .= $coursenum; - } - my %courses = &Apache::lonnet::courseiddump($domain,'.',1,$instcode,'.','.', - undef,undef,'Course'); - if (keys(%courses) == 0) { - $output = &mt('No courses match the criteria you selected.'); - return $output; + my %courses; + my $knownuser = &user_is_known(); + my $canviewall = &canview_all(); + my $details = $env{'form.coursenum'}; + if (&user_is_dc($domain) || $canviewall) { + if ($env{'form.showdetails'}) { + $details = 1; + } } - $output = &mt('Note for students: If you are officially enrolled in a course but there is no student role for the course in your LON-CAPA roles screen, check the default access dates and/or auto-enrollment settings for the course below. Your roles screen displays only currently accessible roles.

'); - $output .= &Apache::loncommon::start_data_table(). - &Apache::loncommon::start_data_table_header_row(). - ''.&mt('Code').''. - ''.&mt('Sections').''. - ''.&mt('Crosslisted').''. - ''.&mt('Title').''. - ''.&mt('Owner').''. - ''.&mt('Student Status').''. - ''.&mt('Default Access Dates').''. - ''.&mt('Auto-enrollment').''. - &Apache::loncommon::end_data_table_header_row(); - my %courseinfo; - foreach my $course (keys(%courses)) { - my $descr; - if ($courses{$course} =~ m/^([^:]*):/i) { - $descr = &unescape($1); + if ($env{'form.coursenum'} ne '') { + %courses = &Apache::lonnet::courseiddump($domain,'.',1,'.','.', + $env{'form.coursenum'}, + undef,undef,'.',1); + if (keys(%courses) == 0) { + $output = '

'; + if ($env{'form.currcat_0'} eq 'communities::0') { + $output .= &mt('The courseID provided does not match a community in this domain.'); + } else { + $output .= &mt('The courseID provided does not match a course in this domain.'); + } + $output .= '

'; + return $output; + } + } else { + if ($env{'form.currcat_0'} eq 'instcode::0') { + %courses = &search_official_courselist($domain,$numtitles,$codetitles); } else { - $descr = &unescape($courses{$course}); + %courses = &search_courselist($domain,$subcats); } - my $cleandesc=&HTML::Entities::encode($descr,'<>&"'); - $cleandesc=~s/'/\\'/g; - my ($cdom,$cnum)=split(/\_/,$course); - - my ($desc,$instcode,$owner,$ttype) = split(/:/,$courses{$course}); - $owner = &unescape($owner); - my ($ownername,$ownerdom); - if ($owner =~ /:/) { - ($ownername,$ownerdom) = split(/:/,$owner); - } else { - $ownername = $owner; - if ($owner ne '') { - $ownerdom = $cdom; + if (keys(%courses) == 0) { + $output = '

'; + if ($env{'form.currcat_0'} eq 'communities::0') { + $output .= &mt('No communities match the criteria you selected.'); + } else { + $output .= &mt('No courses match the criteria you selected.'); } + $output .= '

'; + return $output; } - my %ownernames; - if ($ownername ne '' && $ownerdom ne '') { - %ownernames = &Apache::loncommon::getnames($ownername,$ownerdom); + if (($knownuser) && (!$env{'form.showdetails'}) && (!&user_is_dc($domain)) && (!$canviewall)) { + $output = ''.&mt('Note for students:').' ' + .&mt('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.') + .'

'; } - $courseinfo{$course}{'cdom'} = $cdom; - $courseinfo{$course}{'cnum'} = $cnum; - $courseinfo{$course}{'code'} = $instcode; - $courseinfo{$course}{'ownerlastname'} = $ownernames{'lastname'}; - $courseinfo{$course}{'title'} = $cleandesc; - $courseinfo{$course}{'owner'} = $owner; } + my $now = time; + $output .= &construct_data_table($knownuser,$domain,\%courses,$details,undef, + $now,$trails,$allitems,$canviewall); + $output .= "\n".'
'. + ''. + ''. + &Apache::lonhtmlcommon::echo_form_input(['catalogfilter','courseid']).'
'; + return $output; +} + +sub construct_data_table { + my ($knownuser,$domain,$courses,$details,$usersections,$now,$trails,$allitems,$canviewall) = @_; + my %sortname; + if (($details eq '') || ($env{'form.showdetails'})) { + $sortname{'Code'} = 'code'; + $sortname{'Categories'} = 'cats'; + $sortname{'Title'} = 'title'; + $sortname{'Owner & Co-owner(s)'} = 'owner'; + } + my $output = &Apache::loncommon::start_data_table(). + &Apache::loncommon::start_data_table_header_row(); + my @coltitles = ('Count'); + if ($env{'form.currcat_0'} eq 'instcode::0') { + push(@coltitles,'Code'); + } else { + push(@coltitles,'Categories'); + } + push(@coltitles,('Sections','Crosslisted','Title','Owner & Co-owner(s)')); + if (ref($usersections) eq 'HASH') { + $coltitles[1] = 'Your Section'; + } + foreach my $item (@coltitles) { + $output .= ''; + if (defined($sortname{$item})) { + $output .= ''.&mt($item).''; + } elsif ($item eq 'Count') { + $output .= '  '; + } else { + $output .= &mt($item); + } + $output .= ''; + } + my (@fields,%fieldtitles,$wasactiveon); + if ($knownuser || ($canviewall && $details)) { + if ($details) { + if ($env{'form.currcat_0'} eq 'communities::0') { + $output .= ''.&mt('Default Access Dates for Members').''. + ''.&mt('Member Counts').''; + } else { + $output .= + ''.&mt('Default Access Dates for Students').''. + ''.&mt('Student Counts').''. + ''.&mt('Auto-enrollment of[_1]registered students','
').''; + } + my ($titlesref,$orderref) = &get_statustitles(); + my @statuses; + if (&user_is_dc($domain) || $canviewall) { + @statuses = &Apache::loncommon::get_env_multiple('form.showcounts'); + if (grep(/^Previous$/,@statuses)) { + if ($env{'form.wasactive'} eq 'date') { + $wasactiveon = + &Apache::lonhtmlcommon::get_date_from_form('wasactiveon'); + } else { + $wasactiveon = $env{'form.wasactive'}; + } + } + if (ref($orderref) eq 'ARRAY') { + foreach my $status (@{$orderref}) { + if (grep(/^\Q$status\E$/,@statuses)) { + push(@fields,$status); + } + } + } + } else { + @fields = ('Active','Future'); + } + foreach my $status (@fields) { + my $title; + if (ref($titlesref) eq 'HASH') { + $title = $titlesref->{$status}; + } + unless ($title) { + $title = &mt($status); + } + $fieldtitles{$status} = $title; + } + } else { + $output .= ''.&mt('Details').''; + } + } + $output .= ''.&mt('Self-enroll (if permitted)').''; + &Apache::loncommon::end_data_table_header_row(); + my (%numbers,%creditsum); + my ($showcredits,$defofficial,$defunofficial,$deftextbook); + my %domdefaults = &Apache::lonnet::get_domain_defaults($domain); + unless ($env{'form.currcat_0'} eq 'communities::0') { + if ($domdefaults{'officialcredits'} || $domdefaults{'unofficialcredits'} || $domdefaults{'textbookcredits'}) { + $showcredits = 1; + $defofficial = $domdefaults{'officialcredits'}; + $defunofficial = $domdefaults{'unofficialcredits'}; + $deftextbook = $domdefaults{'textbookcredits'}; + } + } + my %courseinfo = &build_courseinfo_hash($courses,$knownuser,$domain,$canviewall,$details, + $usersections,\@fields,\%fieldtitles, + $wasactiveon,\%numbers,\%creditsum, + $showcredits,$defofficial,$defunofficial,$deftextbook); 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 'cats') { + push(@{$Sortby{$courseinfo{$course}{'categories'}}},$course); } elsif ($env{'form.sortby'} eq 'owner') { - push(@{$Sortby{$courseinfo{$course}{'ownerlastname'}}},$course); + push(@{$Sortby{$courseinfo{$course}{'ownerlastnames'}}},$course); } else { - push(@{$Sortby{$courseinfo{$course}{'title'}}},$course); + my $clean_title = $courseinfo{$course}{'title'}; + $clean_title =~ s/\W+//g; + if ($clean_title eq '') { + $clean_title = $courseinfo{$course}{'title'}; + } + push(@{$Sortby{$clean_title}},$course); } } my @sorted_courses; - if (($env{'form.sortby'} eq 'code') || ($env{'form.sortby'} eq 'owner')) { + if (($env{'form.sortby'} eq 'code') || ($env{'form.sortby'} eq 'owner') || + ($env{'form.sortby'} eq 'cats')) { @sorted_courses = sort(keys(%Sortby)); } else { @sorted_courses = sort { lc($a) cmp lc($b) } (keys(%Sortby)); } + my $count = 1; + my $totalsec = 0; 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,$details, + \$count,$now,$course,$trails,$allitems,\%numbers,$canviewall); $output.=&Apache::loncommon::end_data_table_row(); } } + if (($knownuser || $canviewall) && ($count > 1) && $env{'form.showdetails'}) { + if (&user_is_dc($domain) || $canviewall) { + my %lt = &Apache::lonlocal::texthash ( + 'Active' => 'Total current students', + 'Future' => 'Total future students', + 'Previous' => 'Total previous students', + 'courses' => 'Total unique codes and courses without codes', + 'sections' => 'Total sections', + 'xlists' => 'Total cross-listings', + ); + if ($showcredits) { + $lt{'cr_Active'} = &mt('Total current student credit hours'); + $lt{'cr_Future'} = &mt('Total future student credit hours'); + $lt{'cr_Previous'} = &mt('Total previous student credit hours'); + } + if ($env{'form.currcat_0'} eq 'communities::0') { + $lt{'courses'} = &mt('Total communities'); + $lt{'Active'} = &mt('Total current members'); + $lt{'Future'} = &mt('Total future members'); + $lt{'Previous'} = &mt('Total previous members'); + } + my $colspan = 8; + if ($showcredits) { + $colspan = 4; + } + $output .= ''. + ' '. + ''. + ''; + foreach my $item ('courses','sections','xlists') { + $output .= ''. + ''. + ''. + ''."\n"; + } + if (@fields > 0) { + foreach my $status (@fields) { + $output .= ''. + ''. + ''. + ''."\n"; + } + } + $output .= '
'.$lt{$item}.' '.$numbers{$item}.'
'.$lt{$status}.' '.$numbers{$status}.'
'; + if ($showcredits) { + $output .= ''; + foreach my $status (@fields) { + $output .= ''. + ''. + ''; + } + $output .= '
'.$lt{'cr_'.$status}.' '.$creditsum{$status}.'
'; + } + } + } $output .= &Apache::loncommon::end_data_table(); return $output; } +sub build_courseinfo_hash { + my ($courses,$knownuser,$domain,$canviewall,$details,$usersections,$fields,$fieldtitles, + $wasactiveon,$numbers,$creditsum,$showcredits,$defofficial,$defunofficial) = @_; + my %courseinfo; + my $now = time; + my $gettotals; + if ((keys(%{$courses}) > 0) && (&user_is_dc($domain) || $canviewall) && ($details)) { + $gettotals = 1; + } + my (%uniquecodes,$nocodes,$defcreds); + foreach my $course (keys(%{$courses})) { + my $descr; + if (ref($courses->{$course}) eq 'HASH') { + $descr = $courses->{$course}{'description'}; + } + my $cleandesc=&HTML::Entities::encode($descr,'<>&"'); + $cleandesc=~s/'/\\'/g; + $cleandesc =~ s/^\s+//; + my ($cdom,$cnum)=split(/\_/,$course); + my ($instcode,$singleowner,$ttype,$selfenroll_types, + $selfenroll_start,$selfenroll_end,@owners,%ownernames,$categories); + if (ref($courses->{$course}) eq 'HASH') { + $descr = $courses->{$course}{'description'}; + $instcode = $courses->{$course}{'inst_code'}; + $singleowner = $courses->{$course}{'owner'}; + $ttype = $courses->{$course}{'type'}; + $selfenroll_types = $courses->{$course}{'selfenroll_types'}; + $selfenroll_start = $courses->{$course}{'selfenroll_start_date'}; + $selfenroll_end = $courses->{$course}{'selfenroll_end_date'}; + $categories = $courses->{$course}{'categories'}; + push(@owners,$singleowner); + if ($courses->{$course}{'co-owners'} ne '') { + foreach my $item (split(/,/,$courses->{$course}{'co-owners'})) { + push(@owners,$item); + } + } + } + if ($instcode ne '') { + $uniquecodes{$instcode} = 1; + } else { + $nocodes ++; + } + foreach my $owner (@owners) { + my ($ownername,$ownerdom); + if ($owner =~ /:/) { + ($ownername,$ownerdom) = split(/:/,$owner); + } else { + $ownername = $owner; + if ($owner ne '') { + $ownerdom = $cdom; + } + } + if ($ownername ne '' && $ownerdom ne '') { + my %namehash=&Apache::loncommon::getnames($ownername,$ownerdom); + $ownernames{$ownername.':'.$ownerdom} = \%namehash; + } + } + $courseinfo{$course}{'cdom'} = $cdom; + $courseinfo{$course}{'cnum'} = $cnum; + $courseinfo{$course}{'code'} = $instcode; + my @lastnames; + foreach my $owner (keys(%ownernames)) { + if (ref($ownernames{$owner}) eq 'HASH') { + push(@lastnames,$ownernames{$owner}{'lastname'}); + } + } + $courseinfo{$course}{'ownerlastnames'} = join(', ',sort(@lastnames)); + $courseinfo{$course}{'title'} = $cleandesc; + $courseinfo{$course}{'owner'} = $singleowner; + $courseinfo{$course}{'selfenroll_types'} = $selfenroll_types; + $courseinfo{$course}{'selfenroll_start'} = $selfenroll_start; + $courseinfo{$course}{'selfenroll_end'} = $selfenroll_end; + $courseinfo{$course}{'categories'} = $categories; + + my %coursehash = &Apache::lonnet::dump('environment',$cdom,$cnum); + my @classids; + my @crosslistings; + my ($seclist,$numsec) = + &identify_sections($coursehash{'internal.sectionnums'}); + $courseinfo{$course}{'seclist'} = $seclist; + my ($xlist_items,$numxlist) = + &identify_sections($coursehash{'internal.crosslistings'}); + if (ref($numbers) eq 'HASH') { + $numbers->{'sections'} += $numsec; + $numbers->{'xlists'} += $numxlist; + } + my $showsyllabus = 1; # default is to include a syllabus link + if (defined($coursehash{'showsyllabus'})) { + $showsyllabus = $coursehash{'showsyllabus'}; + } + $courseinfo{$course}{'showsyllabus'} = $showsyllabus; + if ($showcredits) { + if ($coursehash{'internal.defaultcredits'}) { + $courseinfo{$course}{'defaultcredits'} = $coursehash{'internal.defaultcredits'}; + } elsif ($instcode ne '') { + $courseinfo{$course}{'defaultcredits'} = $defofficial; + } else { + $courseinfo{$course}{'defaultcredits'} = $defunofficial; + } + $defcreds = $courseinfo{$course}{'defaultcredits'}; + } + if (((defined($env{'form.coursenum'}) && ($cnum eq $env{'form.coursenum'}))) || + (($knownuser || $canviewall) && ($details == 1))) { + my $milestone; + if ($wasactiveon eq 'accessend') { + if ($coursehash{'default_enrollment_end_date'}) { + $milestone = $coursehash{'default_enrollment_end_date'}; + } else { + $milestone = time; + } + } elsif ($wasactiveon eq 'enrollend') { + if ($coursehash{'internal.autoend'}) { + $milestone = $coursehash{'internal.autoend'}; + } else { + $milestone = time; + } + } else { + $milestone = $wasactiveon; + } + $courseinfo{$course}{'counts'} = + &count_students($cdom,$cnum,$numsec,$fields,$fieldtitles,$gettotals, + $numbers,$creditsum,$showcredits,$defcreds,$milestone); + if ($instcode ne '') { + $courseinfo{$course}{'autoenrollment'} = + &autoenroll_info(\%coursehash,$now,$seclist,$xlist_items, + $instcode,\@owners,$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) { + $endaccess = &mt('No ending date'); + } + } + if ($startaccess) { + $accessdates .= ''.&mt('From:[_1]',' '.$startaccess).'
'; + } + if ($endaccess) { + $accessdates .= ''.&mt('To:[_1]',' '.$endaccess).'
'; + } + if (($selfenroll_types ne '') && + ($selfenroll_end > 0 && $selfenroll_end > $now)) { + my ($selfenroll_start_access,$selfenroll_end_access); + if (($coursehash{'default_enrollment_start_date'} ne + $coursehash{'internal.selfenroll_start_access'}) || + ($coursehash{'default_enrollment_end_date'} ne + $coursehash{'internal.selfenroll_end_access'})) { + if ( defined($coursehash{'internal.selfenroll_start_access'}) ) { + $selfenroll_start_access = &Apache::lonlocal::locallocaltime($coursehash{'internal.selfenroll_start_access'}); + } + if ( defined($coursehash{'default_enrollment_end_date'}) ) { + $selfenroll_end_access = &Apache::lonlocal::locallocaltime($coursehash{'internal.selfenroll_end_access'}); + if ($coursehash{'internal.selfenroll_end_access'} == 0) { + $selfenroll_end_access = &mt('No ending date'); + } + } + if ($selfenroll_start_access || $selfenroll_end_access) { + $accessdates .= '

'.&mt('Self-enrollers:').'
'; + if ($selfenroll_start_access) { + $accessdates .= ''.&mt('From:[_1]',' '.$selfenroll_start_access).'
'; + } + if ($selfenroll_end_access) { + $accessdates .= ''.&mt('To:[_1]',' '.$selfenroll_end_access).'
'; + } + } + } + } + $courseinfo{$course}{'access'} = $accessdates; + } + if ($xlist_items eq '') { + $xlist_items = &mt('No'); + } + $courseinfo{$course}{'xlist'} = $xlist_items; + } + if (ref($numbers) eq 'HASH') { + $numbers->{'courses'} = $nocodes + scalar(keys(%uniquecodes)); + } + return %courseinfo; +} + +sub count_students { + my ($cdom,$cnum,$numsec,$fieldsref,$titlesref,$getcounts,$numbers,$creditsum, + $showcredits,$defcreds,$wasactiveon) = @_; + my $countslist = ''. + &mt('[quant,_1,section,sections,No sections]',$numsec).''; + my (@fields,%titles,$showexpired); + if ((ref($fieldsref) eq 'ARRAY') && (ref($titlesref) eq 'HASH') && + (ref($numbers) eq 'HASH')) { + @fields = @{$fieldsref}; + %titles = %{$titlesref}; + if (grep(/^Previous$/,@fields)) { + $showexpired = 1; + } + } else { + return; + } + my $classlist = &Apache::loncoursedata::get_classlist($cdom,$cnum); + my (%student_count,%credit_count); + %student_count = ( + Active => 0, + Future => 0, + Previous => 0, + ); + if ($showcredits) { + %credit_count = ( + Active => 0, + Future => 0, + Previous => 0, + ); + } + my %idx; + $idx{'status'} = &Apache::loncoursedata::CL_STATUS(); + $idx{'end'} = &Apache::loncoursedata::CL_END(); + $idx{'credits'} = &Apache::loncoursedata::CL_CREDITS(); + while (my ($student,$data) = each(%$classlist)) { + my $status = $data->[$idx{'status'}]; + my $credits = $data->[$idx{'credits'}]; + if ($credits eq '') { + $credits = $defcreds; + } + if ($status eq 'Expired') { + if (($showexpired) && + ($data->[$idx{'end'}] >= $wasactiveon)) { + $student_count{'Previous'} ++; + if ($showcredits) { + $credit_count{'Previous'} += $credits; + } + } + } else { + $student_count{$status} ++; + if ($showcredits) { + $credit_count{$status} += $credits; + } + } + } + if (@fields) { + $countslist .= ':
'; + foreach my $status (@fields) { + $countslist .= ''.$titles{$status}.': '. + $student_count{$status}.'
'; + $numbers->{$status} += $student_count{$status}; + if ($showcredits) { + $creditsum->{$status} += $credit_count{$status}; + } + } + } + return $countslist; +} + sub courseinfo_row { - my ($info) = @_; - my ($cdom,$cnum,$title,$ownerlast,$code,$owner,$output); + my ($info,$knownuser,$details,$countref,$now,$course,$trails,$allitems,$numbers,$canviewall) = @_; + my ($cdom,$cnum,$title,$ownerlast,$code,$owner,$seclist,$xlist_items, + $accessdates,$showsyllabus,$counts,$autoenrollment,$output,$categories); if (ref($info) eq 'HASH') { $cdom = $info->{'cdom'}; $cnum = $info->{'cnum'}; $title = $info->{'title'}; - $ownerlast = $info->{'ownerlastname'}; + $ownerlast = $info->{'ownerlastnames'}; $code = $info->{'code'}; $owner = $info->{'owner'}; + $seclist = $info->{'seclist'}; + $xlist_items = $info->{'xlist'}; + $accessdates = $info->{'access'}; + $counts = $info->{'counts'}; + $autoenrollment = $info->{'autoenrollment'}; + $showsyllabus = $info->{'showsyllabus'}; + $categories = $info->{'categories'}; } else { $output = ''.&mt('No information available for [_1].', $code).''; return $output; } - my %coursehash = &Apache::lonnet::dump('environment',$cdom,$cnum); - my $classlist = &Apache::loncoursedata::get_classlist($cdom,$cnum); - my %idx; - my @classids; - my @crosslistings; - $idx{'status'} = &Apache::loncoursedata::CL_STATUS(); - my %status_title = &Apache::lonlocal::texthash( - Expired => 'Previous access', - Active => 'Current access', - Future => 'Future access', - ); - my %student_count = ( - Expired => 0, - Active => 0, - Future => 0, - ); - while (my ($student,$data) = each(%$classlist)) { - $student_count{$data->[$idx{'status'}]} ++; - } - my $seclist = &identify_sections($coursehash{'internal.sectionnums'}); - my $xlist_items = &identify_sections($coursehash{'internal.crosslistings'}); - my $countslist; - my $startaccess = ''; - my $endaccess = ''; - my $now; - my ($accessdates,$autoenrolldates,$showsyllabus); - 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"; + $output .= ''.$$countref.''; + if ($env{'form.currcat_0'} eq 'instcode::0') { + $output .= ''.$code.''; + } else { + my ($categorylist,@cats); + if ($categories ne '') { + @cats = split('&',$categories); } - } - if ($startaccess) { - $accessdates .= &mt('From: ').$startaccess.'
'; - } - if ($endaccess) { - $accessdates .= &mt('To: ').$endaccess.'
'; - } - $autoenrolldates = &mt('Not enabled'); - if (defined($coursehash{'internal.autoadds'}) && $coursehash{'internal.autoadds'} == 1) { - my ($autostart,$autoend); - if ( defined($coursehash{'internal.autostart'}) ) { - $autostart = &Apache::lonlocal::locallocaltime($coursehash{'internal.autostart'}); + if ((ref($trails) eq 'ARRAY') && (ref($allitems) eq 'HASH')) { + my @categories = map { $trails->[$allitems->{$_}]; } @cats; + $categorylist = join('
',@categories); } - if ( defined($coursehash{'internal.autoend'}) ) { - $autoend = &Apache::lonlocal::locallocaltime($coursehash{'internal.autoend'}); + if ($categorylist eq '') { + $categorylist = ' '; } - if ($coursehash{'internal.autostart'} > $now) { - if ($coursehash{'internal.autoend'} && $coursehash{'internal.autoend'} < $now) { - $autoenrolldates = &mt('Not enabled'); - } else { - my $valid_classes = &get_valid_classes($seclist,$xlist_items, - $code,$owner,$cdom,$cnum); - if ($valid_classes ne '') { - $autoenrolldates = &mt('Not enabled
Starts: '). - $autostart.'
'.$valid_classes; - } + $output .= ''.$categorylist.''; + } + $output .= ''.$seclist.''. + ''.$xlist_items.''. + ''.$title.' '; + if ($showsyllabus) { + $output .= ''.&mt('Syllabus').''; + } else { + $output .= ' '; + } + $output .= ''. + ''.$ownerlast.''; + if (($knownuser) || ($canviewall && $details)) { + if ($details) { + $output .= + ''.$accessdates.''. + ''.$counts.''; + unless ($env{'form.currcat_0'} eq 'communities::0') { + $output .= ''.$autoenrollment.''; } } else { - if ($coursehash{'internal.autoend'} && $coursehash{'internal.autoend'} < $now) { - $autoenrolldates = &mt('Not enabled
Ended: ').$autoend; - } else { - my $valid_classes = &get_valid_classes($seclist,$xlist_items, - $code,$owner,$cdom,$cnum); - if ($valid_classes ne '') { - $autoenrolldates = &mt('Currently enabled
'). - $valid_classes; + $output .= "".&mt('Show more details').''; + } + } + my $selfenroll = &selfenroll_status($info,$course); + if ($selfenroll) { + $output .= ''.$selfenroll.''; + } else { + $output .= ' '; + } + $$countref ++; + return $output; +} + +sub selfenroll_status { + my ($info,$course) = @_; + my $now = time; + my $output; + if (ref($info) eq 'HASH') { + if ($info->{'selfenroll_types'}) { + my $showstart = &Apache::lonlocal::locallocaltime($info->{'selfenroll_start'}); + my $showend = &Apache::lonlocal::locallocaltime($info->{'selfenroll_end'}); + if (($info->{'selfenroll_end'} > 0) && ($info->{'selfenroll_end'} > $now)) { + if (($info->{'selfenroll_start'} > 0) && ($info->{'selfenroll_start'} > $now)) { + $output = &mt('Starts: [_1]',''.$showstart.'').'
'.&mt('Ends: [_1]',''.$showend.''); + } else { + $output = ''. + &mt('Enroll in course').'
'; + if ($info->{'selfenroll_end'} == 0) { + $output .= &mt('Available permanently'); + } elsif ($info->{'selfenroll_end'} > $now) { + $output .= &mt('Self-enrollment ends: [_1]',''.$showend.''); + } } } } } - if (defined($coursehash{'showsyllabus'})) { - $showsyllabus = $coursehash{'showsyllabus'}; - } - foreach my $status ('Active','Future','Expired') { - $countslist .= ''.$status_title{$status}.': '. - $student_count{$status}.'
'; - } - if ($xlist_items eq '') { - $xlist_items = &mt('No'); - } - $output = ''.$coursehash{'internal.coursecode'}.''. - ''.$seclist.''. - ''.$xlist_items.''. - ''.$title.' '; - if ($showsyllabus) { - $output .= &Apache::loncommon::syllabuswrapper(&mt('Syllabus'),$cnum,$cdom); - } - $output .= ''. - ''.$ownerlast.''. - ''.$countslist.''. - ''.$accessdates.''. - ''.$autoenrolldates.''; return $output; } @@ -407,21 +1599,22 @@ sub identify_sections { } } @secnums = sort {$a <=> $b} @secnums; - my $seclist = join(', ',@secnums); - return $seclist; + $seclist = join(', ',@secnums); + my $numsec = @secnums; + return ($seclist,$numsec); } sub get_valid_classes { - my ($seclist,$xlist_items,$crscode,$owner,$cdom,$cnum) = @_; + my ($seclist,$xlist_items,$crscode,$owners,$cdom,$cnum) = @_; my $response; my %validations; @{$validations{'sections'}} = (); @{$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,$owner, + if (&Apache::lonnet::auto_validate_class_sec($cdom,$cnum,$owners, $class) eq 'ok') { if (!grep(/^\Q$sec$\E/,@{$validations{'sections'}})) { push(@{$validations{'sections'}},$sec); @@ -431,8 +1624,8 @@ sub get_valid_classes { } } if ($xlist_items) { - foreach my $item (split(',',$xlist_items)) { - if (&Apache::lonnet::auto_validate_class_sec($cdom,$cnum,$owner, + foreach my $item (split(/, /,$xlist_items)) { + if (&Apache::lonnet::auto_validate_class_sec($cdom,$cnum,$owners, $item) eq 'ok') { if (!grep(/^\Q$item$\E/,@{$validations{'xlists'}})) { push(@{$validations{'xlists'}},$item); @@ -443,17 +1636,65 @@ sub get_valid_classes { } if ($totalitems > 0) { if (@{$validations{'sections'}}) { - $response = &mt('Sections: '). - join(',',@{$validations{'sections'}}).'
'; + $response = &mt('Sections:').' '. + join(', ',@{$validations{'sections'}}).'
'; } if (@{$validations{'xlists'}}) { - $response .= &mt('Courses: '). - join(',',@{$validations{'xlists'}}); + $response .= &mt('Courses:').' '. + join(', ',@{$validations{'xlists'}}); } } return $response; } +sub autoenroll_info { + my ($coursehash,$now,$seclist,$xlist_items,$code,$owners,$cdom,$cnum) = @_; + my $autoenrolldates = &mt('Not enabled'); + if (defined($coursehash->{'internal.autoadds'}) && $coursehash->{'internal.autoadds'} == 1) { + my ($autostart,$autoend); + if ( defined($coursehash->{'internal.autostart'}) ) { + $autostart = &Apache::lonlocal::locallocaltime($coursehash->{'internal.autostart'}); + } + if ( defined($coursehash->{'internal.autoend'}) ) { + $autoend = &Apache::lonlocal::locallocaltime($coursehash->{'internal.autoend'}); + } + if ($coursehash->{'internal.autostart'} > $now) { + if ($coursehash->{'internal.autoend'} && $coursehash->{'internal.autoend'} < $now) { + $autoenrolldates = &mt('Not enabled'); + } else { + my $valid_classes = + &get_valid_classes($seclist,$xlist_items,$code, + $owners,$cdom,$cnum); + if ($valid_classes ne '') { + $autoenrolldates = &mt('Not enabled').'
' + .&mt('Starts: [_1]',$autostart) + .'
'.$valid_classes; + } + } + } else { + if ($coursehash->{'internal.autoend'} && $coursehash->{'internal.autoend'} < $now) { + $autoenrolldates = &mt('Not enabled').'
' + .&mt('Ended: [_1]',$autoend); + } else { + my $valid_classes = &get_valid_classes($seclist,$xlist_items, + $code,$owners,$cdom,$cnum); + if ($valid_classes ne '') { + $autoenrolldates = &mt('Currently enabled').'
'. + $valid_classes; + } + } + } + } + return $autoenrolldates; +} -1; +sub user_is_known { + my $known = 0; + if ($env{'user.name'} ne '' && $env{'user.name'} ne 'public' + && $env{'user.domain'} ne '' && $env{'user.domain'} ne 'public') { + $known = 1; + } + return $known; +} +1;