Infinite Scroll

application.route.js

import Ember from 'ember';

const { Route: EmberRoute } = Ember;

export default EmberRoute.extend({

	// Defaults

	// Single line CP

	// Multiline CP

	// Private

	// Lifecycle hooks

  afterModel() {
  	this.replaceWith('users');
  }
  
});

application.template.hbs

<div class="wrapper">

	{{layout-header}}

  <main class="container">
    {{outlet}}
  </main>

</div><!-- / .wrapper -->

layout-header.component.js

import Ember from 'ember';

const { Component: EmberComponent } = Ember;

export default EmberComponent.extend({

	// Defaults

	// Single line CP

	// Multiline CP

	// Private

	// Lifecycle hooks

});

layout-header.template.hbs

<header class="top">
	<div class="container">
		<nav>
    	<ul>
      	<li>{{link-to "Users" "users"}}</li>
      </ul>
    </nav>
    <div>
	    <div style="margin-bottom: 30px;">Demo using https://github.com/hhff/ember-infinity</div>
    </div>
  </div><!-- / .container -->
</header>

list-users.component.js

import Ember from 'ember';

const { Component: EmberComponent } = Ember;

const { computed } = Ember;

export default EmberComponent.extend({

	// Defaults

  users: computed.alias('model')
  
	// Single line CP

	// Multiline CP

	// Private

	// Lifecycle hooks

});

list-users.template.hbs

<table class="users">
	<thead>
		<tr>
    	<th>Name</th>
      <th>Email</th>
    </tr>
  </thead>
	<tbody>
  	{{#each users as |user|}}
		<tr>
    	<td>{{user.name}}</td>
      <td>{{user.email}}</td>
    </tr>
    {{/each}}
  </tbody>
</table>

mirage.config.js

export default function() {
  
  this.timing = 400;

  this.get('users');
  
  this.get('users', function(schema, request) {
  	let queryParams = request.queryParams;
    let page = parseInt(queryParams.page);
    let perPage = parseInt(queryParams.per_page);
    let start = 1;
    
    if (page !== 1) {
    	start = perPage + 1;
    }
    
    let end = start + perPage;
    let users = schema.users.all().models;
    
    let filtered = users.slice(start, end);
    
    let data = { data: filtered.map(attrs => (
      	{ type: 'users', id: attrs.id, attributes: attrs }
    	)),
      meta: {
      	total_pages: users.length / perPage
      }
    };
    
    return data;
  });
  
  this.get('users/:id');

}

mirage.factories.user.js

import { Factory, faker } from 'ember-cli-mirage';

export default Factory.extend({
  'created-at': '2017-01-01T00:00:00.000Z',
  'first-name'() {
    return faker.name.firstName();
  },
  'last-name'() {
    return faker.name.lastName();
  },
  email() {
    return `${this['first-name'].toLowerCase()}.${this['last-name'].toLowerCase()}@acme.com`;
  },
  picture() {
  	return faker.internet.avatar();
  },
  'updated-at': '2017-01-01T00:00:00.000Z',
  'updated-by': 'admin.user',
  name() {
    return `${this.firstName} ${this.lastName}`;
  }
});

mirage.models.user.js

import { Model } from 'ember-cli-mirage';

export default Model.extend({
});

mirage.scenarios.default.js

export default function(server) {
  // added this line because global wasn't created otherwise.

  let user = server.createList('user', 50);

}

mirage.serializers.application.js

import { JSONAPISerializer } from 'ember-cli-mirage';

export default JSONAPISerializer.extend({
  
});

models.user.js

import Model from 'ember-data/model';
import attr from 'ember-data/attr';

const { computed, get } = Ember;

export const schema = {

	// Attributes
  
  createdAt: attr('date', {
    defaultValue() {
      return new Date();
    }
  }),
  email: attr('string'),
	firstName: attr('string'),
  lastName: attr('string'),
  picture: attr('string'),
  updatedAt: attr('date', {
    defaultValue() {
      return new Date();
    }
  }),
  updatedBy: attr('string'),
  
  
	// Associations
  
	// Computed Properties

  name: computed('firstName', 'lastName', function() {
  	return `${get(this, 'firstName')} ${get(this, 'lastName')}`;
  })
  
};

export default Model.extend(schema);

router.js

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

const Router = Ember.Router.extend({
  location: 'none',
  rootURL: config.rootURL
});

Router.map(function() {
  
  this.route('users');
  
});

export default Router;

styles.app.css

/* Layout */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  color: #444;

	font-family: 'Roboto', sans-serif;
  font-size: 100%;
}

.container{
	max-width: 960px;
  margin: 0 auto;
}

/* Type */

h1{
	margin-bottom: 30px;
  padding-bottom: 15px;
  border-bottom: 1px solid #eee;
}

/* Lists */

main ul{
	margin-left: 17px;
}

/* Table */

table{
	border-collapse: collapse;
}

th, td{
  padding: 10px;
  text-align: left;
	border: 1px solid #eee;
}

/* Actions */

[data-ember-action] {
	cursor: pointer;
}


/* Nav */

nav{
  margin-bottom: 30px;
  padding: 15px;
	background: #efefef;
}

nav a{
	text-decoration: none;
  color: #333;
}

nav a.active{
	color: #000;
  font-weight: 500;
}

nav ul li{
	display: inline-block;
  text-transform: uppercase;
}

nav ul li:not(:first-child) {
	margin-left: 20px;
}

/* Users */

.User{
	border: 1px solid #ccc;
  padding: 10px;
  margin-bottom: 20px;
  border-radius: 3px;
}

.User__picture img{
  border-radius: 50%;
  width: 60px;
  height: 60px;
}

.reached-infinity .loader{
	display: none;
}

tests.helpers.destroy-app.js

import Ember from 'ember';

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

tests.helpers.module-for-acceptance.js

import { module } from 'qunit';
import startApp from '../helpers/start-app';
import destroyApp from '../helpers/destroy-app';

export default function(name, options = {}) {
  module(name, {
    beforeEach() {
      this.application = startApp();

      if (options.beforeEach) {
        options.beforeEach.apply(this, arguments);
      }
    },

    afterEach() {
      if (options.afterEach) {
        options.afterEach.apply(this, arguments);
      }

      destroyApp(this.application);
    }
  });
}

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';

export default function startApp(attrs) {
  let application;

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

  Ember.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": "0.10.4",
  "ENV": {
    "ember-cli-mirage": {
      "enabled": true
    }
  },
  "EmberENV": {
    "FEATURES": {
      "ds-finder-include": true
    }
  },
  "options": {
    "use_pods": true
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.12.0",
    "ember-data": "2.12.1",
    "ember-template-compiler": "2.12.0"
  },
  "addons": {
    "ember-cli-mirage": "0.2.4",
    "ember-infinity": "0.2.1"
  }
}

users.route.js

import Ember from 'ember';
import InfinityRoute from 'ember-infinity/mixins/route';

const { Route: EmberRoute } = Ember;

export default EmberRoute.extend(InfinityRoute, {

	// Defaults

	// Single line CP

	// Multiline CP

	// Private

	// Lifecycle hooks
	
  model() {
    // Load pages of user model, starting from page 1, in groups of 12
  	return this.infinityModel('user', { perPage: 10, startingPage: 1 });
  }
  
});

users.template.hbs

<section class="users">
	<header>
  	<h1>Users</h1>
  </header>
  <div class="content">
  	{{#each model as |user|}}
    	<div class="User">
	      <div class="User__picture"><img src="{{user.picture}}"></div>
        <div class="User__name">{{user.name}}</div>
     		<div class="User__email">{{user.email}}</div>
      </div>
    {{/each}}
    
    {{#infinity-loader infinityModel=model}}
      {{#if infinityModel.reachedInfinity}}
      	end
      {{else}}
      	<center><img src="https://loading.io/spinners/double-ring/lg.double-ring-spinner.gif" class="loader"></center>
      {{/if}}  
		{{/infinity-loader}}
  </div>
</section>