fix relationship add bug

dist/models/Model.js

@@ -44,8 +44,11 @@ var Model = function (_Query) {
             throw new TypeError("Cannot construct Model instances directly");
         }
 
+        // Save any relationships so we don't always create a new relationship class when called
         var _this = _possibleConstructorReturn(this, (Model.__proto__ || Object.getPrototypeOf(Model)).call(this));
 
+        _this.relations = [];
+
         if (data) {
             _this.set(data);
         }
@@ -116,9 +119,14 @@ var Model = function (_Query) {
     }, {
         key: 'hasMany',
         value: function hasMany(instance) {
-            var items = this['_' + instance.route()];
+            var key = '_' + instance.route();
+            var items = this[key];
+
+            if (!this.relations[key]) {
+                this.relations[key] = new _Relationship2.default(instance, items, this);
+            }
 
-            return new _Relationship2.default(instance, items, this);
+            return this.relations[key];
         }
 
         /**

package.json

@@ -1,6 +1,6 @@
 {
   "name": "model-collection-js",
-  "version": "0.1.12",
+  "version": "0.1.13",
   "description": "Javascript enabled Models and Collections to reflect Laravel workflow",
   "main": "dist/index.js",
   "scripts": {

src/models/Model.js

@@ -17,6 +17,9 @@ class Model extends Query{
 
         super()
 
+        // Save any relationships so we don't always create a new relationship class when called
+        this.relations = []
+
         if(data) {
             this.set(data)
         }
@@ -87,9 +90,14 @@ class Model extends Query{
      * @returns Relationship
      */
     hasMany(instance) {
-        let items = this['_' + instance.route()]
+        let key = '_' + instance.route()
+        let items = this[key]
+
+        if(!this.relations[key]) {
+            this.relations[key] = new Relationship(instance, items, this)
+        }
 
-        return new Relationship(instance, items, this)
+        return this.relations[key]
     }
 
     /**

test/model.js

@@ -99,6 +99,11 @@ describe('#Model', function() {
         expect(post.comments().first().user().name).to.equal('Jack')
         expect(post.comments().last().user().name).to.equal('Jones')
         expect(post.comments().get()).to.instanceof(Array)
+
+        post.comments().add({id:1002, body: 'some new comment', user:{id: 102, name: 'James', email: 'james@tester.com'}})
+
+        expect(post.comments().count()).to.equal(3)
+        expect(post.comments().last().id).to.equal(1002)
     });