rating MDL-21657 more changes based on Petr's feedback

lang/en_utf8/rating.php

@@ -9,4 +9,3 @@ $string['noviewrate'] = 'You do not have the capability to view post ratings';
 $string['noviewanyrate'] = 'You can only look at results for posts that you made';
 $string['ratepermissiondenied'] = 'You do not have permission to rate this item';
 $string['ratingsuse'] = 'Use ratings';
-$string['sessionexpired'] = 'Your session has expired. Please log in again.';

lib/outputrenderers.php

@@ -1234,11 +1234,11 @@ class core_renderer extends renderer_base {
     * @param $page the page object on which this rating will appear
     */
     function render_rating(rating $rating) {
-        global $CFG, $USER, $PAGE;
+        global $CFG, $USER;
         static $havesetupjavascript = false;
 
         if( !$havesetupjavascript && !empty($CFG->enableajax) ) {
-            $PAGE->requires->js_init_call('M.core_ratings.init');
+            $this->page->requires->js_init_call('M.core_ratings.init');
             $havesetupjavascript = true;
         }
 

rating/index.php

@@ -34,7 +34,7 @@ $sort = optional_param('sort', '', PARAM_ALPHA);
 list($context, $course, $cm) = get_context_info_array($contextid);
 require_login($course, false, $cm);
 
-$url = new moodle_url('/rating/index.php', array('contextid'=>$contextid,'itemid'=>$itemid));
+$url = new moodle_url('/rating/index.php', array('contextid'=>$contextid,'itemid'=>$itemid,'scaleid'=>$scaleid));
 if ($sort !== 0) {
     $url->param('sort', $sort);
 }
@@ -80,7 +80,7 @@ if (!$ratings) {
     echo "<th class=\"header\" scope=\"col\"><a href=\"report.php?id=$itemid&amp;sort=time\">$strtime</a></th>";
     echo "</tr>";
     foreach ($ratings as $rating) {
-        echo '<tr class="forumpostheader">';
+        echo '<tr class="ratingitemheader">';
         echo "<td>";
         if($courseid) {
             echo $OUTPUT->user_picture($rating, array('courseid'=>$courseid));

rating/lib.php

@@ -44,9 +44,34 @@ define ('RATING_AGGREGATE_SUM', 5);
  * @since     Moodle 2.0
  */
 class rating implements renderable {
+
+    /**
+     * The context in which this rating exists
+     * @var context
+     */
+    public $context;
+
+    /**
+     * The id of the item (forum post, glossary item etc) being rated
+     * @var int
+     */
+    public $itemid;
+
+    /**
+     * The id scale (1-5, 0-100) that was in use when the rating was submitted
+     * @var int
+     */
+    public $scaleid;
+
+    /**
+     * The id of the user who submitted the rating
+     * @var int
+     */
+    public $userid;
+
     /**
     * Constructor.
-    * @param int $contextid the current context
+    * @param context $context the current context object
     * @param int $itemid the id of the associated item (forum post, glossary item etc)
     * @param int $scaleid the scale to use
     * @param int $userid the user submitting the rating
@@ -120,7 +145,7 @@ class rating implements renderable {
     * Static method that converts an aggregation method constant into something that can be included in SQL
     * @param $aggregate An aggregation constant. For example, RATING_AGGREGATE_AVERAGE.
     */
-    public static function rating_get_aggregation_method($aggregate) {
+    public static function get_aggregation_method($aggregate) {
         $aggregatestr = null;
         switch($aggregate){
             case RATING_AGGREGATE_AVERAGE:
@@ -168,7 +193,7 @@ class rating implements renderable {
     /**
     * Static method that adds rating objects to an array of items (forum posts, glossary entries etc)
     * Rating objects are available at $item->rating
-    * @param int $contextid the current context
+    * @param context $context the current context object
     * @param array $items an array of items such as forum posts or glossary items. They must have an 'id' member ie $items[0]->id
     * @param $aggregate what aggregation method should be applied. AVG, MAX etc
     * @param int $scaleid the scale from which the user can select a rating
@@ -186,7 +211,7 @@ class rating implements renderable {
             $userid = $USER->id;
         }
 
-        $aggregatestr = rating::rating_get_aggregation_method($aggregate);
+        $aggregatestr = rating::get_aggregation_method($aggregate);
 
         //create an array of item ids
         $itemids = array();

rating/rate.php

@@ -40,7 +40,7 @@ $returnurl = optional_param('returnurl', null, PARAM_LOCALURL);//will only be su
 $result = new stdClass;
 
 if( !isloggedin() && !$returnurl ){ //session has expired and its an ajax request
-    $result->error = get_string('sessionexpired', 'ratings');
+    $result->error = get_string('sessionerroruser', 'error');
     echo json_encode($result);
     die();
 }