Fix addRestangularMethodFunction to handle post/put/delete properly

Author: Michael Leaney

src/restangular.js

@@ -1242,24 +1242,28 @@ module.provider('Restangular', function() {
       }
 
       function addRestangularMethodFunction(name, operation, path, defaultParams, defaultHeaders, defaultElem) {
-        var bindedFunction;
-        if (operation === 'getList') {
-          bindedFunction = _.bind(fetchFunction, this, path);
-        } else {
-          bindedFunction = _.bind(customFunction, this, operation, path);
-        }
-
-        var createdFunction = function(params, headers, elem) {
-          var callParams = _.defaults({
-            params: params,
-            headers: headers,
-            elem: elem
-          }, {
-            params: defaultParams,
-            headers: defaultHeaders,
-            elem: defaultElem
-          });
-          return bindedFunction(callParams.params, callParams.headers, callParams.elem);
+        var newRestangularObject,
+            createdFunction,
+            urlBuilder = operation === 'getList' ? 'all' : 'one';
+
+        newRestangularObject = this[urlBuilder](path);
+
+        createdFunction = function(params, headers, elem) {
+          var params, headers, elem;
+
+          params = _.defaults(params, defaultParams);
+          headers = _.defaults(headers, defaultHeaders);
+          elem = _.defaults(elem, defaultElem);
+
+          return newRestangularObject.customOperation(
+            // umm, so the documentation specifies delete is one of the operations
+            // that can be pased to customOperation, but it totally means remove?
+            operation === 'delete' ? 'remove' : operation,
+            '',
+            params,
+            headers,
+            elem
+          );
         };
 
         if (config.isSafe(operation)) {