Give a logical error message if no products are available to a user for bug entry (bug 84285).

Patch by Paul Thomas <paul.thomas@sse.ie>
r= jake@acutex.net

webtools/bugzilla/enter_bug.cgi

@@ -79,13 +79,13 @@ if (!defined $::FORM{'product'}) {
         }
         push(@prodlist, $p);
     }
+
     if (1 != @prodlist) {
         print "Content-type: text/html\n\n";
-        PutHeader("Enter Bug");
-        
-        print "<H2>First, you must pick a product on which to enter\n";
-        print "a bug.</H2>\n";
-        print "<table>";
+
+        my $bProdFlag = 0;
+        my $tableContents = "";
+
         foreach my $p (@prodlist) {
             if (defined $::proddesc{$p} && $::proddesc{$p} eq '0') {
                 # Special hack.  If we stuffed a "0" into proddesc, that means
@@ -93,6 +93,7 @@ if (!defined $::FORM{'product'}) {
                 # to allow people to specify that product here.
                 next;
             }
+    
             if(Param("usebuggroupsentry")
                && GroupExists($p)
                && !UserInGroup($p)) {
@@ -101,16 +102,34 @@ if (!defined $::FORM{'product'}) {
                 # group, we don't want to include that product in this list.
                 next;
             }
-            print "<tr><th align=right valign=top><a href=\"enter_bug.cgi?product=" . url_quote($p) . "\">$p</a>:</th>\n";
+
+            $bProdFlag = 1;
+            $tableContents .= "<tr><th align=right valign=top><a href=\"enter_bug.cgi?product=" . url_quote($p) . "\">$p</a>:</th>\n";
+    
             if (defined $::proddesc{$p}) {
-                print "<td valign=top>$::proddesc{$p}</td>\n";
+                $tableContents .= "<td valign=top>$::proddesc{$p}</td>\n";
             }
-            print "</tr>";
+
+            $tableContents .= "</tr>";
         }
-        print "</table>\n";
+
+        # display sensible message if no products were found for the user to enter bugs against
+        if ($bProdFlag) {
+            PutHeader("Enter Bug");
+            print "<H2>First, you must pick a product on which to enter a bug.</H2>\n";
+            print "<table>\n";
+            print $tableContents;
+            print "</table>\n";
+        } else {
+            PutHeader("Permission Denied");
+            print "Sorry. There are no products for which you may enter bugs\n";
+            print "<P>\n";
+        } 
+    
         PutFooter();
         exit;
     }
+
     $::FORM{'product'} = $prodlist[0];
 }