--- loncom/interface/lonrequestcourse.pm	2009/09/23 15:58:26	1.36.2.1
+++ loncom/interface/lonrequestcourse.pm	2009/10/02 16:15:49	1.36.2.2
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Request a course
 #
-# $Id: lonrequestcourse.pm,v 1.36.2.1 2009/09/23 15:58:26 gci Exp $
+# $Id: lonrequestcourse.pm,v 1.36.2.2 2009/10/02 16:15:49 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -658,8 +658,31 @@ sub print_main_menu {
         }
     }
 
+    my $standby=&mt('Course selected. Please stand by.');
     my $js = <<"END";
 
+function enterrole (thisform,rolecode,buttonname) {
+    document.title='$standby';
+    window.status='$standby';
+    thisform.newrole.value=rolecode;
+    thisform.selectrole.value='1';
+    thisform.submit();
+}
+
+function ToSyllabus(cdom,cnum) {
+    if (cdom == '' || cdom == null) {
+        return;
+    }
+    if (cnum == '' || cnum == null) {
+        return;
+    }
+    var options = 'height=600,width=800,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no';
+    var url = "/public/"+cdom+"/"+cnum+"/syllabus";
+    syllwin = window.open(url,'',options,1);
+    syllwin.focus();
+    return;
+}
+
 function nextPage(formname) {
     var crschoice = document.mainmenu_coursetype.crstype.value;
     var actionchoice = document.mainmenu_action.action.value;
@@ -724,10 +747,15 @@ END
 }
 
 END
-
-    $r->print(&header('Course Requests',$js.$jscript,$loaditems).$crumb.
-             '<p>'.&mt('Request creation of a new course, or review your pending course requests.').'</p>'.
-             '<div>'.
+    $r->print(&header('Concept Test Courses',$js.$jscript,$loaditems).$crumb);
+    my $existing = &existing_courses();
+    if ($existing) {
+        $r->print('<div class="LC_left_float">'.
+                 '<h3>'.&mt('Request creation of a new course').'</h3>');
+    } else {
+        $r->print('<div><h3>'.&mt('Request creation of a new course, or review your pending course requests.').'</h3>');
+    }
+    $r->print('<p>'.
               &Apache::lonhtmlcommon::start_pick_box().
               &Apache::lonhtmlcommon::row_title(&mt('Course Domain')).
               '<form name="domforcourse" method="post" action="/adm/requestcourse">');
@@ -749,19 +777,206 @@ END
               '<form name="mainmenu_coursetype" method="post" action="">'."\n".
               '<input type="hidden" name="crstype" value="unofficial" ></form>'."\n".
               &Apache::lonhtmlcommon::row_closure(1)."\n".
-              &Apache::lonhtmlcommon::end_pick_box().'</div>'."\n".
-              '<div><form name="'.$formname.'" method="post" action="">'."\n".
+              &Apache::lonhtmlcommon::end_pick_box().'</p>'."\n".
+              '<p><form name="'.$formname.'" method="post" action="">'."\n".
               '<input type="hidden" name="state" value="crstype" />'."\n".
               '<input type="hidden" name="showdom" value="'.$dom.'" />'."\n".
               '<input type="hidden" name="crstype" value="" />'."\n".
               '<input type="hidden" name="action" value="" />'."\n".
               '<input type="button" name="next" value="'.$nexttext.
               '" onclick="javascript:nextPage(document.'.$formname.')" />'."\n".
-              '</form></div>');
+              '</form></p>');
+    if ($existing) {
+        $r->print('</div><div class="LC_left_float"><h3>'.&mt('Enter an existing Concept Test course').'</h3>'.$existing.'</div><div class="LC_clear_float_footer"></div>');
+    } else {
+        $r->print('</div>');
+    }
     $r->print(&Apache::loncommon::end_page());
     return;
 }
 
+sub existing_courses {
+    my $output;
+    my %roleshash = &Apache::lonnet::get_my_roles(undef,undef,'userroles',undef,
+                                                  ['cc'],['gcitest']);
+    my %courses;
+    if (keys(%roleshash) > 0) {
+        foreach my $key (keys(%roleshash)) {
+            my ($cnum,$cdom,$role) = split(':',$key);
+            my ($tstart,$tend) = split(':',$roleshash{$key});
+            my %coursehash = &Apache::lonnet::coursedescription($cdom.'/'.$cnum);
+            $courses{$cdom.'_'.$cnum}{'description'} = $coursehash{'description'};
+            $courses{$cdom.'_'.$cnum}{'owner'} = $coursehash{'internal.courseowner'};
+            if (defined($coursehash{'default_enrollment_start_date'}) ) {
+                $courses{$cdom.'_'.$cnum}{'startaccess'} = 
+                    &Apache::lonlocal::locallocaltime($coursehash{'default_enrollment_start_date'});
+            }
+            if (defined($coursehash{'default_enrollment_end_date'}) ) {
+                $courses{$cdom.'_'.$cnum}{'endaccess'} = 
+                    &Apache::lonlocal::locallocaltime($coursehash{'default_enrollment_end_date'});
+                if ($coursehash{'default_enrollment_end_date'} == 0) {
+                    $courses{$cdom.'_'.$cnum}{'endaccess'} = &mt('No ending date');
+                }
+            }
+        }
+        $output = '<form name="pickrole" action="/adm/roles" method="post">'.
+                  &Apache::loncommon::start_data_table().
+                  &Apache::loncommon::start_data_table_header_row();
+        my @coltitles = ('Select','Title','Owner(s)',
+                         'Default Access Dates for Students','Student Counts');
+        foreach my $item (@coltitles) {
+            $output .= '<th>';
+            if ($item eq 'Select') {
+                $output .= '&nbsp;&nbsp;';
+            } else {
+                $output .= &mt($item);
+            }
+            $output .= '</th>';
+        }
+        $output .= &Apache::loncommon::end_data_table_header_row();
+        my %courseinfo = &build_courseinfo_hash(\%courses);
+        my %Sortby;
+        foreach my $course (sort(keys(%courses))) {
+            my $clean_title = $courseinfo{$course}{'title'};
+            $clean_title =~ s/\W+//g;
+            if ($clean_title eq '') {
+                $clean_title = $courseinfo{$course}{'title'};
+            }
+            push(@{$Sortby{$clean_title}},$course);
+        }
+        my @sorted_courses;
+        my @sorted_courses = sort { lc($a) cmp lc($b) } (keys(%Sortby));
+        foreach my $item (@sorted_courses) {
+            foreach my $course (@{$Sortby{$item}}) {
+                my ($cdom,$cnum) = split('_',$course); 
+                $output.= &Apache::loncommon::start_data_table_row().
+                          &courseinfo_row($courseinfo{$course},$cnum,$cdom).
+                          &Apache::loncommon::end_data_table_row();
+            }
+        }
+        $output .= &Apache::loncommon::end_data_table().
+                   '<input type="hidden" name="newrole" value="" />'.
+                   '<input type="hidden" name="selectrole" value="" /></form>';
+    }
+    return $output;
+}
+
+sub build_courseinfo_hash {
+    my ($courses) = @_;
+    my %courseinfo;
+    foreach my $course (keys(%{$courses})) {
+        my ($cdom,$cnum) = split('_',$course);
+        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 ($singleowner,@owners,%ownernames);
+        if (ref($courses->{$course}) eq 'HASH') {
+            $singleowner = $courses->{$course}{'owner'};
+            push(@owners,$singleowner);
+            if (ref($courses->{$course}{'co-owners'}) eq 'ARRAY') {
+                foreach my $item (@{$courses->{$course}{'co-owners'}}) {
+                    push(@owners,$item);
+                }
+            }
+        }
+        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;
+        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;
+        my @classids;
+        $courseinfo{$course}{'counts'} =  &count_students($cdom,$cnum,0);
+        my $startaccess = $courses->{$course}{'startaccess'};
+        my $endaccess = $courses->{$course}{'endaccess'};
+        my $accessdates;
+        if ($startaccess) {
+            $accessdates .= '<i>'.&mt('From:[_1]','</i> '.$startaccess).'<br />';
+        }
+        if ($endaccess) {
+            $accessdates .= '<i>'.&mt('To:[_1]','</i> '.$endaccess).'<br />';
+        }
+        $courseinfo{$course}{'access'} = $accessdates;
+    }
+    return %courseinfo;
+}
+
+sub courseinfo_row {
+    my ($info,$cnum,$cdom) = @_;
+    my $output;
+    if (ref($info) eq 'HASH') {
+        my $rolecode = 'cc./'.$cdom.'/'.$cnum;
+        my $buttonname = $rolecode;
+        $buttonname=~s/\W//g;
+        $output .= '<td><input type="button" name="'.$buttonname.'" value="'.&mt('Select').'" onclick="javascript:enterrole(this.form,'."'$rolecode','$buttonname'".')" ></td>'.
+                   '<td>'.$info->{'title'}.'&nbsp;<font size="-2">'.
+                   '<a href="javascript:ToSyllabus('."'$cdom','$cnum'".')">'.
+                   &mt('Syllabus').'</a></font></td>'.
+                   '<td>'.$info->{'ownerlastnames'}.'</td>'.
+                   '<td>'.$info->{'access'}.'</td>'.
+                   '<td>'.$info->{'counts'}.'</td>';
+    } else {
+        $output = '<td colspan="4">'.&mt('No information available for [_1].',
+                                         $cdom.'_'.$cnum).'</td>';
+        return $output;
+    }
+    return $output;
+}
+
+sub count_students {
+    my ($cdom,$cnum,$numsec) = @_;
+    my $classlist = &Apache::loncoursedata::get_classlist($cdom,$cnum);
+    my %student_count = (
+                           Active => 0,
+                           Future => 0,
+                           Expired => 0,
+                       );
+    my %idx;
+    $idx{'status'} = &Apache::loncoursedata::CL_STATUS();
+    my %status_title = &Apache::lonlocal::texthash(
+                           Expired => 'Previous access',
+                           Active => 'Current access',
+                           Future => 'Future access',
+                       );
+
+    while (my ($student,$data) = each(%$classlist)) {
+        $student_count{$data->[$idx{'status'}]} ++;
+    }
+
+    my $countslist = &mt('[quant,_1,section:,sections:,No sections]',$numsec).'<br />';
+    foreach my $status ('Active','Future') {
+        $countslist .= '<span class="LC_nobreak">'.$status_title{$status}.': '.
+                       $student_count{$status}.'</span><br />';
+    }
+    return $countslist;
+}
+
+
 sub request_administration {
     my ($r,$action,$state,$page,$states,$dom,$jscript,$loaditems,$crumb,
         $newinstcode,$codechk,$checkedcode,$description,$invalidcrosslist,