--- loncom/interface/lonblockingstatus.pm	2009/07/09 12:53:28	1.2
+++ loncom/interface/lonblockingstatus.pm	2010/02/19 10:20:03	1.7
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # displays the blocking status table
 #
-# $Id: lonblockingstatus.pm,v 1.2 2009/07/09 12:53:28 kalberla Exp $
+# $Id: lonblockingstatus.pm,v 1.7 2010/02/19 10:20:03 bisitz Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -31,31 +31,182 @@ package Apache::lonblockingstatus;
 use strict;
 use Apache::Constants qw(:common);
 use Apache::loncommon();
+use Apache::lonnet;
+use Apache::lonlocal;
 
 sub handler {
     my $r = shift;
     Apache::loncommon::no_cache($r);
     Apache::loncommon::content_type($r,'text/html');
+
     $r->send_http_header;
     return OK if $r->header_only;
 
-    $r->print(
-        Apache::loncommon::start_page(
-            'Communication Blocking Status Information',
-            undef, {'only_body' => 1, }));
-
-    my ($blocked, $blocktext) = &Apache::loncommon::blocking_status_print('boards');
-    $r->print($blocktext);
+    $r->print( Apache::loncommon::start_page(
+                  'Communication Blocking Status Information',
+                  undef, {'only_body' => 1}));
 
+    $r->print(blockpage());
+    
     $r->print(Apache::loncommon::end_page());
+
     return OK;
 }
 
 
-1;
-__END__
+sub blockpage {
+
+    # determine what kind of blocking we want details for
+    Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['activity']);
+    my $activity = $env{'form.activity'};
+
+    if ($activity !~ /^[a-z]+$/) { return 'Error'; }
+
+
+    # in case of a portfolio block we need to determine the owner of the files
+    # we're trying to look at. This information is passed via query string.
+    my ($uname, $udom);
+
+    if ($activity eq 'port') {
+        Apache::loncommon::get_unprocessed_cgi(
+            $ENV{'QUERY_STRING'}, ['udom', 'uname'] );
+
+        ($uname, $udom) = ($env{'form.uname'}, $env{'form.udom'});
+        #TODO sanitize input: $uname, $udom
+    }
+
+
+    # retrieve start/end of possible active blocking
+    my %setters;
+    my ($startblock, $endblock) = Apache::loncommon::blockcheck(
+                                        \%setters, $activity, $uname, $udom);
+
+    # nothing to do if there's no active blocking
+    unless ($startblock && $endblock) { return ''; }
+
+    # lookup $activity -> description
+                   #possible activity          #corresponding description
+    my $description = 
+                   $activity eq 'boards'     ? 'Discussion posts in this course'
+                 : $activity eq 'chat'       ? 'Chat Room'
+                 : $activity eq 'msgdisplay' ? 'This message'
+                 : $activity eq 'blogs'      ? 'Blogs'
+                 : $activity eq 'groups'     ? 'Groups in this course'
+                 : $activity eq 'port'       ? get_portfolio_category(
+                                                  $uname, $udom, \%setters) 
+                 :                             'Communication';
+
+    my $showstart = Apache::lonlocal::locallocaltime($startblock);
+    my $showend   = Apache::lonlocal::locallocaltime($endblock);
+
+    my $output;
+    
+    if ( ref($description) ne 'ARRAY' ) { 
+        #default: $description is one of the above descriptions
+        $output = mt( $description
+                      . ' will be inaccessible between [_1] and [_2] because'
+                      . ' communication is being blocked.'
+                     ,$showstart, $showend);  
+    } else {
+        # @$description is is the array returned from get_portfolio_category()
+        # and contains the description (e.g. "Portfolio files belonging to [_1]"
+        # and the value for [_1]
+        $output = mt( $$description[0]
+                      . ' will be inaccessible between [_2] and [_3] because'
+                      . ' communication is being blocked.'
+                     ,$$description[1], $showstart, $showend)  
+    }
+
+    $output = "<p class=\"LC_info\">$output</p>";
+
+    # show a table containing details, except if user is trying to look 
+    # at a different user's portfolio files
+    if (   $activity ne 'port'                        # no portfolio
+        || (   $uname eq $env{'user.name'}            # or own portfolio
+            && $udom  eq $env{'user.domain'} ) 
+        || Apache::lonnet::is_course($udom, $uname) ) # or portfolio of a course
+    {
+        $output .= build_block_table($startblock,$endblock,\%setters);
+    }
+
+    return $output;
+}
+
+sub build_block_table {
+    my ($startblock,$endblock,$setters) = @_;
+    my %lt = &Apache::lonlocal::texthash(
+        'cacb' => 'Currently active communication blocks',
+        'cour' => 'Course',
+        'dura' => 'Duration',
+        'blse' => 'Block set by'
+    );
+    my $output;
+    $output  = Apache::loncommon::start_data_table()
+             . Apache::loncommon::data_table_caption($lt{'cacb'})
+             . Apache::loncommon::start_data_table_header_row()
+             . "<th>$lt{'cour'}</th> <th>$lt{'dura'}</th> <th>$lt{'blse'}</th>"
+             . Apache::loncommon::end_data_table_header_row();
+
+    foreach my $course (keys(%{$setters})) {
+        my %courseinfo=&Apache::lonnet::coursedescription($course);
+        for (my $i=0; $i<@{$$setters{$course}{staff}}; $i++) {
+            my ($uname,$udom) = @{$$setters{$course}{staff}[$i]};
+            my $fullname = Apache::loncommon::plainname($uname,$udom);
+            if (defined($env{'user.name'}) && defined($env{'user.domain'})
+                && $env{'user.name'} ne 'public'
+                && $env{'user.domain'} ne 'public') 
+            {
+                $fullname = Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
+            }
+            my ($openblock,$closeblock) = @{$$setters{$course}{times}[$i]};
+            $openblock = &Apache::lonlocal::locallocaltime($openblock);
+            $closeblock= &Apache::lonlocal::locallocaltime($closeblock);
+            my $duration = mt('[_1] to [_2]', $openblock, $closeblock);
+            $output .= Apache::loncommon::start_data_table_row()
+                     . "<td>$courseinfo{'description'}</td>"
+                     . "<td>$duration</td>"
+                     . "<td>$fullname</td>"
+                     . Apache::loncommon::end_data_table_row();
+        }
+    }
+    $output .= Apache::loncommon::end_data_table();
+}
 
+sub get_portfolio_category {
+    my ($uname, $udom, $setters) = @_;
 
+    if ($uname eq $env{'user.name'} && $udom eq $env{'user.domain'}) {
+        # user's portolfio files
 
+        return 'Your portfolio files';
 
+    } elsif (Apache::lonnet::is_course($udom, $uname)) {
+        # group portfolio files
+
+        my $coursedesc;
+
+        foreach my $course (keys(%{$setters})) {
+            my %courseinfo = Apache::lonnet::coursedescription($course);
+            $coursedesc    = $courseinfo{'description'};
+        }
+
+        return ["Group portfolio in the course '[_1]'", $coursedesc];
+        
+    } else {
+        # different user's portfolio files
+        
+        my $plainname = Apache::loncommon::plainname($uname, $udom);
+
+        unless (   $env{'user.name'}   eq 'public' 
+                && $env{'user.domain'} eq 'public' ) 
+        {
+            $plainname = Apache::loncommon::aboutmewrapper(
+                            $plainname, $uname, $udom);
+        }
 
+        return ['Portfolio files belonging to [_1]', $plainname];
+    }
+}
+
+1;
+__END__