Query params as model

controllers.application.js

import Ember from 'ember';

const { computed, get } = Ember;

export default Ember.Controller.extend({
  queryParams: ['foo', 'bar'],
  foo: '',
  bar: '',
  
  formattedModel: computed('model.{foo,bar}', function() {
    console.log('recomputed');
    return JSON.stringify(get(this, 'model'));
  }),
  
  fooInput: '',
  barInput: '',
  
  actions: {
    submit() {
      this.transitionToRoute({
        queryParams: {
          foo: get(this, 'fooInput'),
          bar: get(this, 'barInput'),
        }
      });
      console.log("transitioned");
    },
  }
});

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
  queryParams: {
    foo: {
      refreshModel: true
    },
    bar: {
      refreshModel: true
    },
  },
  
  model(params) {
    console.log('params', params);
    return {what:'ever'}
  }
});

templates.application.hbs

<p>Model:</p>

<pre>{{formattedModel}}</pre>

<form {{action 'submit' on='submit'}}>
  <p>
    <label>
      fooInput
      {{input value=fooInput}}
    </label>
  </p>

  <p>
    <label>
      barInput
      {{input value=barInput}}
    </label>
  </p>

  <p><button>Submit</button></p>
</form>

<p>{{link-to 'index' (query-params foo='a' bar='b')}}</p>

twiddle.json

{
  "version": "0.13.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.16.2",
    "ember-template-compiler": "2.16.2",
    "ember-testing": "2.16.2"
  },
  "addons": {
    "ember-data": "2.16.3"
  }
}