add not-found route

Author: MehulKChaudhari

app/router.js

@@ -89,6 +89,7 @@ AppRouter.map(function () {
   this.route('module', { path: '/modules/:module' });
   this.route('data-class', { path: '/data/classes/:class' });
   this.route('data-module', { path: '/data/modules/:module' });
+  this.route('not-found', { path: '/*' });
 });
 
 /*

app/routes/not-found.js

@@ -0,0 +1,14 @@
+import Route from '@ember/routing/route';
+import { inject as service } from '@ember/service';
+
+export default class NotFoundRoute extends Route {
+  @service fastboot;
+
+  beforeModel() {
+    if (!this.fastboot.isFastBoot) {
+      return;
+    }
+
+    this.fastboot.response.statusCode = 404;
+  }
+}

app/styles/components/_whoops.scss

@@ -1,5 +1,20 @@
 .whoops {
   width: 100%;
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  margin-left: 20%;
+
+   @media (max-width: $mobile-portrait-screen){
+    margin-left: 15px;
+   }
+
+  img {
+    width: 40%;
+    @media (max-width: $mobile-portrait-screen){
+    width: 80%;
+   }
+  }
 
   &__title {
     text-transform: uppercase;

app/templates/not-found.hbs

@@ -0,0 +1,9 @@
+{{page-title "Page Not Found"}}
+
+<div class="whoops">
+  <img src="/assets/images/stinky-fish.png" alt="tomster stinky fish"/>
+  <h2 class="whoops__title">Ack! 404 friend, you're in the wrong place</h2>
+    <span>
+      <LinkTo @route='index' class="whoops__message">Click here to go home</LinkTo>
+    </span>
+</div>

public/assets/images/stinky-fish.png

@@ -0,0 +1,11 @@
+import { module, test } from 'qunit';
+import { setupTest } from 'ember-qunit';
+
+module('Unit | Route | not-found', function (hooks) {
+  setupTest(hooks);
+
+  test('it exists', function (assert) {
+    let route = this.owner.lookup('route:not-found');
+    assert.ok(route);
+  });
+});