loncom/interface/loncommon.pm - diff

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Diff for /loncom/interface/loncommon.pm between versions 1.297 and 1.298

-version 1.297, 2005/11/21 21:06:59
+version 1.298, 2005/11/22 00:01:41
  Line 3084  sub get_sections {
  }
  ###############################################
+ =pod
+ =item coursegroups
+ Retrieve information about groups in a course,
+ Input:
+. Reference to hash to populate with group information.
+. Optional course domain
+. Optional course number
+. Optional group name
+ Course domain and number will be taken from user's
+ environment if not supplied. Optional group name will'
+ be passed to lonnet::get_coursegroups() as a regexp to
+ use in the call to the dump function.
+ Output
+ Returns number of groups in the course (subject to the
+ optional group name filter).
+ Side effects:
+ Populates the referenced curr_groups hash, with key,
+ value pairs. Keys are group names, corresponding values
+ are scalars containing group information in XML. This
+ can be sent to &get_group_settings() to be parsed.
+ =cut
+ ###############################################
+ sub coursegroups {
+     my ($curr_groups,$cdom,$cnum,$group) = @_;
+     my $numgroups;
+     if (!defined($cdom) || !defined($cnum)) {
+         my $cid =  $env{'request.course.id'};
+         $cdom = $env{'course.'.$cid.'.domain'};
+         $cnum = $env{'course.'.$cid.'.num'};
+     }
+     %{$curr_groups} = &Apache::lonnet::get_coursegroups($cdom,$cnum,$group);
+     my ($tmp) = keys(%{$curr_groups});
+     if ($tmp=~/^error:/) {
+         unless ($tmp eq 'error: 2 tie(GDBM) Failed while attempting dump') {
+             &logthis('Error retrieving groups: '.$tmp.' in '.$cnum.':'.
+                                                                    $cdom);
+         }
+         $numgroups = 0;
+     } else {
+         $numgroups = keys(%{$curr_groups});
+     }
+     return $numgroups;
+ }
+ ###############################################
  =pod
- Line 3093  Uses TokeParser to extract group informa
+ Line 3148  Uses TokeParser to extract group informa
  XML used to describe course groups.
  Input:
- Scalar containing XML (as retrieved from &lonnet::get_coursegroups).
+ Scalar containing XML  - as retrieved from &coursegroups().
  Output:
  Hash containing group information as key=values for (a), and

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Removed from v.1.297
changed lines
	Added in v.1.298