--- loncom/lonnet/perl/lonnet.pm	2009/10/24 03:24:25	1.1035
+++ loncom/lonnet/perl/lonnet.pm	2009/10/29 03:23:58	1.1038
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.1035 2009/10/24 03:24:25 raeburn Exp $
+# $Id: lonnet.pm,v 1.1038 2009/10/29 03:23:58 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -4842,7 +4842,7 @@ sub is_advanced_user {
 }
 
 sub check_can_request {
-    my ($dom,$can_request) = @_;
+    my ($dom,$can_request,$request_domains) = @_;
     my $canreq = 0;
     my ($types,$typename) = &Apache::loncommon::course_types();
     my @options = ('approval','validate','autolimit');
@@ -4853,6 +4853,9 @@ sub check_can_request {
                                   $env{'user.domain'},
                                   $type,undef,'requestcourses')) {
                 $canreq ++;
+                if (ref($request_domains) eq 'HASH') {
+                    push(@{$request_domains->{$type}},$env{'user.domain'});
+                }
                 if ($dom eq $env{'user.domain'}) {
                     $can_request->{$type} = 1;
                 }
@@ -4860,8 +4863,22 @@ sub check_can_request {
             if ($env{'environment.reqcrsotherdom.'.$type} ne '') {
                 my @curr = split(',',$env{'environment.reqcrsotherdom.'.$type});
                 if (@curr > 0) {
-                    $canreq ++;
-                    unless ($dom eq $env{'user.domain'}) {
+                    foreach my $item (@curr) {
+                        if (ref($request_domains) eq 'HASH') {
+                            my ($otherdom) = ($item =~ /^($match_domain):($optregex)(=?\d*)$/);
+                            if ($otherdom ne '') {
+                                if (ref($request_domains->{$type}) eq 'ARRAY') {
+                                    unless (grep(/^\Q$otherdom\E$/,@{$request_domains->{$type}})) {
+                                        push(@{$request_domains->{$type}},$otherdom);
+                                    }
+                                } else {
+                                    push(@{$request_domains->{$type}},$otherdom);
+                                }
+                            }
+                        }
+                    }
+                    unless($dom eq $env{'user.domain'}) {
+                        $canreq ++;
                         if (grep(/^\Q$dom\E:($optregex)(=?\d*)$/,@curr)) {
                             $can_request->{$type} = 1;
                         }
@@ -6073,24 +6090,31 @@ sub plaintext {
     if (!defined($cid)) {
         $cid = $env{'request.course.id'};
     }
-    if (defined($cid) && ($env{'course.'.$cid.'.'.$short.'.plaintext'} ne '')) {
-        unless ($forcedefault) {
-            my $roletext = $env{'course.'.$cid.'.'.$short.'.plaintext'}; 
-            &Apache::lonlocal::mt_escape(\$roletext);
-            return &Apache::lonlocal::mt($roletext);
-        }
-    }
     my %rolenames = (
                       Course    => 'std',
                       Community => 'alt1',
                     );
-    if (defined($type) && 
-         defined($rolenames{$type}) && 
-         defined($prp{$short}{$rolenames{$type}})) {
+    if ($cid ne '') {
+        if ($env{'course.'.$cid.'.'.$short.'.plaintext'} ne '') {
+            unless ($forcedefault) {
+                my $roletext = $env{'course.'.$cid.'.'.$short.'.plaintext'}; 
+                &Apache::lonlocal::mt_escape(\$roletext);
+                return &Apache::lonlocal::mt($roletext);
+            }
+        }
+    }
+    if ((defined($type)) && (defined($rolenames{$type})) &&
+        (defined($rolenames{$type})) && 
+        (defined($prp{$short}{$rolenames{$type}}))) {
         return &Apache::lonlocal::mt($prp{$short}{$rolenames{$type}});
-    } else {
-        return &Apache::lonlocal::mt($prp{$short}{'std'});
+    } elsif ($cid ne '') {
+        my $crstype = $env{'course.'.$cid.'.type'};
+        if (($crstype ne '') && (defined($rolenames{$crstype})) &&
+            (defined($prp{$short}{$rolenames{$crstype}}))) {
+            return &Apache::lonlocal::mt($prp{$short}{$rolenames{$crstype}});
+        }
     }
+    return &Apache::lonlocal::mt($prp{$short}{'std'});
 }
 
 # ----------------------------------------------------------------- Assign Role
@@ -6530,10 +6554,10 @@ sub createcourse {
         if (($chome eq '') || ($chome eq 'no_host')) {
             $uname = $cnum;
         } else {
-            $uname = &generate_coursenum($udom);
+            $uname = &generate_coursenum($udom,$crstype);
         }
     } else {
-        $uname = &generate_coursenum($udom);
+        $uname = &generate_coursenum($udom,$crstype);
     }
     return $uname if ($uname =~ /^error/);
 # -------------------------------------------------- Check supplied server name
@@ -6593,17 +6617,28 @@ ENDINITMAP
 
 # ------------------------------------------------------------------- Create ID
 sub generate_coursenum {
-    my ($udom) = @_;
+    my ($udom,$crstype) = @_;
     my $domdesc = &domain($udom);
     return 'error: invalid domain' if ($domdesc eq '');
-    my $uname=int(1+rand(9)).
+    my $first;
+    if ($crstype eq 'Community') {
+        $first = '0';
+    } else {
+        $first = int(1+rand(9)); 
+    } 
+    my $uname=$first.
         ('a'..'z','A'..'Z','0'..'9')[int(rand(62))].
         substr($$.time,0,5).unpack("H8",pack("I32",time)).
         unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'};
 # ----------------------------------------------- Make sure that does not exist
     my $uhome=&homeserver($uname,$udom,'true');
     unless (($uhome eq '') || ($uhome eq 'no_host')) {
-        $uname=int(1+rand(9)).
+        if ($crstype eq 'Community') {
+            $first = '0';
+        } else {
+            $first = int(1+rand(9));
+        }
+        $uname=$first.
                ('a'..'z','A'..'Z','0'..'9')[int(rand(62))].
                substr($$.time,0,5).unpack("H8",pack("I32",time)).
                unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'};
@@ -10187,7 +10222,7 @@ createcourse($udom,$description,$url,$co
 
 =item *
 
-generate_coursenum($udom) : get a unique (unused) course number in domain $udom
+generate_coursenum($udom,$crstype) : get a unique (unused) course number in domain $udom for course type $crstype (Course or Community).
 
 =back