# This patch file was generated by NetBeans IDE
# This patch can be applied using context Tools: Apply Diff Patch action on respective folder.
# It uses platform neutral UTF-8 encoding.
# Above lines and this line are ignored by the patching process.
Index: moodle/rating/module.js
--- moodle/rating/module.js Base (1.6)
+++ moodle/rating/module.js Locally Modified (Based On 1.6)
@@ -42,15 +42,20 @@
                         var data = this.Y.JSON.parse(outcome.responseText);
                         if (data.success){
                             //if the user has access to the aggregate then update it
-                            if (data.itemid && data.aggregate && data.count) {
+                            if (data.itemid) { //do not test data.aggregate or data.count otherwise it doesn't refresh value=0 or no value
                                 var itemid = data.itemid;
                                 
                                 var node = this.Y.one('#ratingaggregate'+itemid);
                                 node.set('innerHTML',data.aggregate);
 
+                                //empty the count value if no ratings
                                 var node = this.Y.one('#ratingcount'+itemid);
+                                if (data.count > 0) {
                                 node.set('innerHTML',"("+data.count+")");
+                                } else {
+                                    node.set('innerHTML',"");
                             }
+                            }
\ No newline at end of file
                             return true;
                         }
                         else if (data.error){
Index: moodle/rating/rate_ajax.php
--- moodle/rating/rate_ajax.php Base (1.7)
+++ moodle/rating/rate_ajax.php Locally Modified (Based On 1.7)
@@ -58,6 +58,8 @@
     die();
 }
 
+$rm = new rating_manager();
+
 //check the module rating permissions
 //doing this check here rather than within rating_manager::get_ratings so we can return a json error response
 $pluginrateallowed = true;
@@ -65,7 +67,6 @@
 if ($context->contextlevel==CONTEXT_MODULE) {
     $plugintype = 'mod';
     $pluginname = $cm->modname;
-    $rm = new rating_manager();
     $pluginpermissionsarray = $rm->get_plugin_permissions_array($context->id, $plugintype, $pluginname);
     $pluginrateallowed = $pluginpermissionsarray['rate'];
 
@@ -93,8 +94,21 @@
 $ratingoptions->userid  = $USER->id;
 $rating = new rating($ratingoptions);
 
+if ($userrating != RATING_UNSET_RATING) {
 $rating->update_rating($userrating);
+} else { //delete the rating if the user set to Rate...
+    //Note: the JS could pass the rating id so we would not need
+    //  to retrieve it from the db like I do following
+    $ratingoptions->aggregate = $aggregationmethod;
+    $ratingoptions->items[0]->id = $itemid;
+    $ratings = $rm->get_ratings($ratingoptions);
 
+    $options = new stdClass();
+    $options->ratingid = $ratings[0]->rating->id;
+    $options->contextid = $context->id;
+    $rm->delete_ratings($options);
+}
+
 //Future possible enhancement: add a setting to turn grade updating off for those who don't want them in gradebook
 //note that this would need to be done in both rate.php and rate_ajax.php
 if(true){
@@ -125,7 +139,6 @@
 $ratingoptions->items = $items;
 $ratingoptions->aggregate = $aggregationmethod;
 
-$rm = new rating_manager();
 $items = $rm->get_ratings($ratingoptions);
 
 //for custom scales return text not the value
@@ -134,7 +147,8 @@
 $aggregatetoreturn = round($items[0]->rating->aggregate,1);
 
 // Output a dash if aggregation method == COUNT as the count is output next to the aggregate anyway
-if ($items[0]->rating->settings->aggregationmethod==RATING_AGGREGATE_COUNT) {
\ No newline at end of file
+if ($items[0]->rating->settings->aggregationmethod==RATING_AGGREGATE_COUNT
+        or $items[0]->rating->count == 0) { //missing check for count == 0
\ No newline at end of file
     $aggregatetoreturn = ' - ';
 } else if($rating->scaleid < 0) { //if its non-numeric scale
     //output the numeric aggregate is aggregation method is sum