button-with-states

components.button-with-state.js

import Ember from 'ember';
const { $, Component, computed, observer, RSVP, run } = Ember;

const STATES = {
  activating: {
    label: 'Activating',
    classNames: 'in-progress disabled',
    disabled: true
  },
  error: {
    classNames: 'dangerous disabled',
    disabled: true
  },
  ok: {
    classNames: 'primary'
  },
  validating: {
    label: 'Validating',
    classNames: 'in-progress disabled',
    disabled: true
  },
  warning: {
    label: 'Watch out',
    classNames: 'dangerous'
  }
};

export default Ember.Component.extend({
  id: 1,
  buttonState: STATES.ok,
  isDisabled: computed.bool('buttonState.disabled'),
  
  buttonClass: computed('buttonState', function() {
    return `accent button-with-state__button ${this.get('buttonState.classNames')}`;
  }),

  buttonText: computed('buttonState', function() {
    return this.get('buttonState.label') || 'Do Something';
  }),
  
  someExternalRequest(id) {
    return new RSVP.Promise(function(resolve, reject) {
      $.ajax(`https://swapi.co/api/people/${id}/`, {
        success: function(response) {
          resolve(response);
        }
      });
    });
  },

  checkValidation() {
    this.set('buttonState', STATES.validating);

    return this.someExternalRequest(this.get('id'))

    .then((response) => {
      this.set('id', this.get('id') + 1);
      if (response.status === 'error') {
        this.set('buttonState', STATES.error);
      } else if (response.name != null) {
        console.log(response);
        this.set('buttonState', STATES.warning);
      } else {
        this.set('buttonState', STATES.ok);
      }
    });
  },

  init() {
    console.log('initialized ...');
    this._super(...arguments);
    this.checkValidation();
  },
  
  update: observer('id', function() {
    this.checkValidation();
  })
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Button with States'
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
	{{button-with-state}}
<br>
<br>

templates.components.button-with-state.hbs

<span class='button-label'>{{buttonText}}</span>

tests.helpers.destroy-app.js

import Ember from 'ember';

export default function destroyApp(application) {
  Ember.run(application, 'destroy');
}

tests.helpers.resolver.js

import Resolver from '../../resolver';
import config from '../../config/environment';

const resolver = Resolver.create();

resolver.namespace = {
  modulePrefix: config.modulePrefix,
  podModulePrefix: config.podModulePrefix
};

export default resolver;

tests.helpers.start-app.js

import Ember from 'ember';
import Application from '../../app';
import config from '../../config/environment';

const { run } = Ember;
const assign = Ember.assign || Ember.merge;

export default function startApp(attrs) {
  let application;

  let attributes = assign({rootElement: "#test-root"}, config.APP);
  attributes = assign(attributes, attrs); // use defaults, but you can override;

  run(() => {
    application = Application.create(attributes);
    application.setupForTesting();
    application.injectTestHelpers();
  });

  return application;
}

tests.test-helper.js

import resolver from './helpers/resolver';
import {
  setResolver
} from 'ember-qunit';

setResolver(resolver);

twiddle.json

{
  "version": "0.10.7",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.10.0",
    "ember-data": "2.10.0",
    "ember-template-compiler": "2.10.0",
    "ember-testing": "2.10.0"
  },
  "addons": {}
}