Duplicate records

Controller new-character.js

import Ember from 'ember';

export default Ember.ObjectController.extend({
  actions: {
    save: function() {
      var _this = this;

      var record = this.store.createRecord('character', this.get('model'));
      record.save();

      // record.save().then(function(character) {
      //   //_this.transitionToRoute('character', character);
      // }, function() {
      //   record.deleteRecord();
      // });
    },

    cancel: function() {
      this.transitionToRoute('mystery', this.get('mystery'));
    }
  }
});

Route new-character.js

import Ember from 'ember';

export default Ember.Route.extend({
  model: function(params) {
    return {
      mystery: this.modelFor('mystery')
    }
  }
});