--- loncom/misc/refresh_courseids_db.pl	2010/12/24 07:58:09	1.10
+++ loncom/misc/refresh_courseids_db.pl	2012/03/31 22:10:16	1.11
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # The LearningOnline Network
 #
-# $Id: refresh_courseids_db.pl,v 1.10 2010/12/24 07:58:09 raeburn Exp $
+# $Id: refresh_courseids_db.pl,v 1.11 2012/03/31 22:10:16 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -227,6 +227,10 @@ sub recurse_courses {
                     ($reqdmajor,$reqdminor) = &coursetype_constraints($cnum,$cdom,$crstype,
                                                                       $reqdmajor,
                                                                       $reqdminor);
+                    # check communication blocks 
+                    ($reqdmajor,$reqdminor) = &commblock_constraints($cnum,$cdom,
+                                                                     $reqdmajor,
+                                                                     $reqdminor);
                     # check course contents
                     ($reqdmajor,$reqdminor) = &coursecontent_constraints($cnum,$cdom,
                                                                          $reqdmajor,
@@ -377,6 +381,36 @@ sub coursetype_constraints {
     return ($reqdmajor,$reqdminor);
 }
 
+sub commblock_constraints {
+    my ($cnum,$cdom,$reqdmajor,$reqdminor) = @_;
+    my %comm_blocks =  &Apache::lonnet::dump('commblock',$cdom,$cnum);
+    my $now = time;
+    if (keys(%comm_blocks) > 0) {
+        foreach my $block (keys(%comm_blocks)) {
+            if ($block =~ /^firstaccess____(.+)$/) {
+                my ($major,$minor) = split(/\./,$Apache::lonnet::needsrelease{'course.commblock.timer'});
+                ($reqdmajor,$reqdminor) = &update_reqd_loncaparev($major,$minor,$reqdmajor,$reqdminor);
+                last;
+            } elsif ($block =~ /^(\d+)____(\d+)$) {
+                my ($start,$end) = ($1,$2);
+                next if ($end < $now); 
+            }
+            if (ref($comm_blocks{$block}) eq 'HASH') {
+                if (ref($comm_blocks{$block}{'blocks'}) eq 'HASH') {
+                    if (ref($comm_blocks{$block}{'blocks'}{'docs'}) eq 'HASH') {
+                        if (keys(%{$comm_blocks{$block}{'blocks'}{'docs'}} > 0) {
+                            my ($major,$minor) = split(/\./,$Apache::lonnet::needsrelease{'course.commblock.docs'});
+                            ($reqdmajor,$reqdminor) = &update_reqd_loncaparev($major,$minor,$reqdmajor,$reqdminor);
+                            last;
+                        }
+                    }
+                }
+            }
+        }
+    }
+    return;
+}
+
 sub coursecontent_constraints {
     my ($cnum,$cdom,$reqdmajor,$reqdminor) = @_;
     my $navmap = Apache::lonnavmaps::navmap->new();