inverse link is overwritten

adapters.post.js

import DS from 'ember-data';

export default DS.RESTAdapter.extend();

adapters.user.js

import DS from 'ember-data';

export default DS.RESTAdapter.extend();

controllers.application.js

import Ember from 'ember';
const {computed} = Ember;


export default Ember.Controller.extend({
  appName: 'Inverse Link is Overwritten'
  
});

models.post.js

import Model from "ember-data/model";
import attr from "ember-data/attr";
import { belongsTo, hasMany } from "ember-data/relationships";

export default Model.extend({
  title: attr(),
  user: belongsTo('user', {inverse: 'posts'})
});

models.user.js

import Ember from "ember"
import Model from "ember-data/model";
import attr from "ember-data/attr";
import { belongsTo, hasMany } from "ember-data/relationships";

const {computed} = Ember;

export default Model.extend({
  name: attr(),
  posts: hasMany('post')
});

routes.application.js

import Ember from 'ember';

$.mockjax({
  type: 'GET',
  url: '/users',
  responseText: { 
    users: [
    {
      id: 1,
      name: 'Peter',
      links: { posts: '/users/1/posts' }
    },
    {
      id: 2,
      name: 'Michael',
      links: { posts: '/users/2/posts' }
    }
		],
    posts: [
      {id: 1, title: 'Peter post 1', user: 1},
      {id: 4, title: 'Michael post 2', user: 2}
     ]

  }
});

$.mockjax({
  type: 'GET',
  url: '/users/1/posts',
  responseText: { 
    posts: [{id: 1, title: 'Peter post 1', user: 1},
            {id: 2, title: 'Peter post 2', user: 1},
            {id: 3, title: 'Peter post 3', user: 1}
           ]
  }
});

export default Ember.Route.extend({
  
  model: function() {
    return this.store.findAll('user');
  },
  afterModel: function() {
    
    const controller = this.controllerFor('application');
    const posts = this.store.peekAll('post');
    controller.set('posts', posts);

    
  },
  
  actions: {
    reloadHasMany: function(user) {
      user.hasMany('posts').reload();
    }
  }
});

serializers.post.js

import DS from 'ember-data';

export default DS.RESTSerializer.extend({
});

serializers.user.js

import DS from 'ember-data';

export default DS.RESTSerializer.extend({
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>



   List of users:
  <ul>
  {{#each content as |user|}}
    <li>{{user.name}}</li>
  {{/each}}
  </ul>

  List of posts:
  <ul>
  {{#each posts as |post|}}
    <li>{{post.id}} - {{post.title}} - Author: {{post.user.name}}</li>
  {{/each}}
  </ul>
  
  <br/>
  {{hola}}
  
  <button {{action "reloadHasMany" content.firstObject}}>Fire reloadHasMany {{content.firstObject.name}}</button>

twiddle.json

{
  "version": "0.11.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "release",
    "ember-data": "release",
    "ember-template-compiler": "release",
    "ember-testing": "release",
    "mockjax": "https://cdnjs.cloudflare.com/ajax/libs/jquery-mockjax/1.6.2/jquery.mockjax.js"
  },
  "addons": {}
}