Added a removeRating method to the RatingService JS API.

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@21163 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/rating/script/ScriptRatingService.java

@@ -104,6 +104,17 @@ public class ScriptRatingService extends BaseScopableProcessorExtension
         ratingService.applyRating(node.getNodeRef(), rating, ratingSchemeName);
     }
     
+    /**
+     * Removes any rating by the current user in the specified scheme from the specified
+     * noderef.
+     * @param node
+     * @param ratingSchemeName
+     */
+    public void removeRating(ScriptNode node, String ratingSchemeName)
+    {
+        ratingService.removeRatingByCurrentUser(node.getNodeRef(), ratingSchemeName);
+    }
+    
     /**
      * Gets the rating applied to the specified node in the specified scheme by
      * the currently authenticated user.

source/java/org/alfresco/repo/rating/script/test_ratingService.js

@@ -12,7 +12,7 @@ function testRatingSchemes()
     test.assertEquals(5, ratingService.getMax('fiveStarRatingScheme'));
 }
 
-function testApplyAndGetRatings()
+function testApplyUpdateDeleteRatings()
 {
 	// Check the pristine state of the test node.
 	test.assertEquals(0, ratingService.getRatingsCount(testNode, 'fiveStarRatingScheme'));
@@ -39,8 +39,13 @@ function testApplyAndGetRatings()
 	test.assertEquals(1, ratingService.getRatingsCount(testNode, 'fiveStarRatingScheme'));
 	test.assertEquals(4.5, ratingService.getTotalRating(testNode, 'fiveStarRatingScheme'));
 	test.assertEquals(4.5, ratingService.getAverageRating(testNode, 'fiveStarRatingScheme'));
+	
+	
+	// Now delete them.
+	ratingService.removeRating(testNode, 'fiveStarRatingScheme');
+	test.assertEquals(-1, ratingService.getRating(testNode, 'fiveStarRatingScheme'));
 }
 
 // Execute tests
 testRatingSchemes();
-testApplyAndGetRatings();
+testApplyUpdateDeleteRatings();