[refactoring]get relations

Author: listepo

lib/deserialize.js

@@ -1,5 +1,6 @@
 'use strict';
 var Deserializer = require('./deserializer');
+var utils = require('./utils');
 
 module.exports = function (app) {
   var remotes = app.remotes();
@@ -37,10 +38,7 @@ module.exports = function (app) {
         if (!data.data.id) return next(new Error('JSON API resource object must contain `data.id` property'));
       }
 
-      var serverRelations = {};
-      if (this.definition) {
-        serverRelations = this.definition.settings.relations;
-      }
+      var serverRelations = utils.getRelationsFromContext(ctx, app);
       //transform the payload
       ctx.args.data = Deserializer(data, serverRelations);
       //TODO: Rewrite to normal search model by type and FK

lib/serialize.js

@@ -80,10 +80,7 @@ module.exports = function (app, defaults) {
       }
     };
     options = _.defaults(options, defaults);
-    var relations = {};
-    if (this.definition) {
-      relations = this.definition.settings.relations;
-    }
+    var relations = utils.getRelationsFromContext(ctx, app);
     var res = Serializer(type, data, relations, options);
     ctx.result = res;
 

lib/utils.js

@@ -27,6 +27,16 @@ module.exports = {
     return context.method.sharedClass.name;
   },
 
+  getRelationsFromContext: function (context, app) {
+    var model = this.getModelFromContext(context, app);
+    return model.settings.relations;
+  },
+
+  getModelFromContext: function (context, app) {
+    var name = this.modelNameFromContext(context);
+    return app.models[name];
+  },
+
   urlFromContext: function (context) {
     return context.req.protocol + '://' + context.req.get('host') + context.req.originalUrl;
   },