[LON-CAPA-cvs] cvs: loncom /lonnet/perl lonnet.pm

[raeburn]

raeburn		Thu Jan 18 13:21:11 2007 EDT

  Modified files:              
    /loncom/lonnet/perl	lonnet.pm 
  Log:
  make_public_indefinitely() for podcasting.  Sets public access for a portfolio file to start immediately with no end date. Makes new record, updates existing, or does nothing as appropriate. Returns 'ok' if successful.   
  
  
Index: loncom/lonnet/perl/lonnet.pm
diff -u loncom/lonnet/perl/lonnet.pm:1.826 loncom/lonnet/perl/lonnet.pm:1.827
--- loncom/lonnet/perl/lonnet.pm:1.826	Thu Jan 18 10:58:29 2007
+++ loncom/lonnet/perl/lonnet.pm	Thu Jan 18 13:21:10 2007
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.826 2007/01/18 15:58:29 www Exp $
+# $Id: lonnet.pm,v 1.827 2007/01/18 18:21:10 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -5316,6 +5316,53 @@
     return ($outcome,$deloutcome,\%new_values,\%translation);
 }
 
+sub make_public_indefinitely {
+    my ($requrl) = @_;
+    my $now = time;
+    my $action = 'activate';
+    my $aclnum = 0;
+    if (&is_portfolio_url($requrl)) {
+        my (undef,$udom,$unum,$file_name,$group) =
+            &parse_portfolio_url($requrl);
+        my $current_perms = &get_portfile_permissions($udom,$unum);
+        my %access_controls = &get_access_controls($current_perms,
+                                                   $group,$file_name);
+        foreach my $key (keys(%{$access_controls{$file_name}})) {
+            my ($num,$scope,$end,$start) = 
+                ($key =~ /^([^:]+):([a-z]+)_(\d*)_?(\d*)$/);
+            if ($scope eq 'public') {
+                if ($start <= $now && $end == 0) {
+                    $action = 'none';
+                } else {
+                    $action = 'update';
+                    $aclnum = $num;
+                }
+                last;
+            }
+        }
+        if ($action eq 'none') {
+             return 'ok';
+        } else {
+            my %changes;
+            my $newend = 0;
+            my $newstart = $now;
+            my $newkey = $aclnum.':public_'.$newend.'_'.$newstart;
+            $changes{$action}{$newkey} = {
+                type => 'public',
+                time => {
+                    start => $newstart,
+                    end   => $newend,
+                },
+            };
+            my ($outcome,$deloutcome,$new_values,$translation) =
+                &modify_access_controls($file_name,\%changes,$udom,$unum);
+            return $outcome;
+        }
+    } else {
+        return 'invalid';
+    }
+}
+
 #------------------------------------------------------Get Marked as Read Only
 
 sub get_marked_as_readonly {