SaveModel Mixin

#43

app/mixins/save-model.js

@@ -0,0 +1,31 @@
+import Ember from 'ember';
+import ajaxError from '../utils/ajax-error';
+
+export default Ember.Mixin.create({
+  actions: {
+    save: function() {
+      const model = this.get('model');
+      const fallbackRoute = this.get('fallbackRoute');
+
+      if (model.get('hasDirtyAttributes')) {
+        model.save().then((model) => {
+          this.transitionToRoute(fallbackRoute, model);
+        }, () => {
+          ajaxError(model.get('errors'), this.get('flashMessages'));
+        });
+      } else {
+        this.transitionToRoute(fallbackRoute, model);
+      }
+    },
+
+    cancel: function() {
+      const model = this.get('model');
+      const fallbackRoute = this.get('fallbackRoute');
+
+      model.get('errors').clear();
+      model.rollbackAttributes();
+
+      this.transitionToRoute(fallbackRoute, model);
+    },
+  },
+});