Fix up new setup code

No issue
- Prevent download count ajax request from running forever, even after setup is complete.
- Remove unneeded setup routes and controllers.
- Refactor to use ES6-imported ajax.
- Refactor to use injected services.

app/components/gh-activating-list-item.js

@@ -1,15 +1,12 @@
 import Ember from 'ember';
-var ActivatingListItem = Ember.Component.extend({
+
+export default Ember.Component.extend({
     tagName: 'li',
     classNameBindings: ['active'],
     active: false,
-    linkClasses: Ember.computed('linkClass', function () {
-        return this.get('linkClass');
-    }),
+    linkClasses: null,
 
     unfocusLink: function () {
         this.$('a').blur();
     }.on('click')
 });
-
-export default ActivatingListItem;

app/controllers/setup/one.js

@@ -1,27 +0,0 @@
-import Ember from 'ember';
-import ajax from 'ghost/utils/ajax';
-
-var SetupOneController = Ember.Controller.extend({
-
-    count: 'many, many',
-
-    downloadCounter: function () {
-        var self = this,
-            interval = 3000;
-
-        Ember.run.later(this, function () {
-            ajax({
-                url: self.get('ghostPaths.count'),
-                type: 'GET'
-            }).then(function (data) {
-                self.set('count', data.count.toLocaleString());
-            }).catch(function () {
-                self.set('count', 'many, many');
-            });
-
-            this.downloadCounter();
-        }, interval);
-    }.on('init')
-});
-
-export default SetupOneController;

app/controllers/setup/two.js

@@ -1,9 +1,9 @@
 /* global md5 */
 import Ember from 'ember';
-import ajax from 'ghost/utils/ajax';
+import {request as ajax} from 'ic-ajax';
 import ValidationEngine from 'ghost/mixins/validation-engine';
 
-var SetupTwoController = Ember.Controller.extend(ValidationEngine, {
+export default Ember.Controller.extend(ValidationEngine, {
     size: 90,
     blogTitle: null,
     name: null,
@@ -12,6 +12,9 @@ var SetupTwoController = Ember.Controller.extend(ValidationEngine, {
     image: null,
     submitting: false,
 
+    ghostPaths: Ember.inject.service('ghost-paths'),
+    notifications: Ember.inject.service(),
+
     gravatarUrl: Ember.computed('email', function () {
         var email = this.get('email'),
             size = this.get('size');
@@ -33,9 +36,10 @@ var SetupTwoController = Ember.Controller.extend(ValidationEngine, {
     actions: {
         setup: function () {
             var self = this,
+                notifications = this.get('notifications'),
                 data = self.getProperties('blogTitle', 'name', 'email', 'password');
 
-            self.notifications.closePassive();
+            notifications.closePassive();
 
             this.toggleProperty('submitting');
             this.validate({format: false}).then(function () {
@@ -57,14 +61,12 @@ var SetupTwoController = Ember.Controller.extend(ValidationEngine, {
                     });
                 }).catch(function (resp) {
                     self.toggleProperty('submitting');
-                    self.notifications.showAPIError(resp);
+                    notifications.showAPIError(resp);
                 });
             }).catch(function (errors) {
                 self.toggleProperty('submitting');
-                self.notifications.showErrors(errors);
+                notifications.showErrors(errors);
             });
         }
     }
 });
-
-export default SetupTwoController;

app/controllers/signup.js

@@ -39,11 +39,11 @@ export default Ember.Controller.extend(ValidationEngine, {
                         identification: self.get('model.email'),
                         password: self.get('model.password')
                     });
-                }, function (resp) {
+                }).catch(function (resp) {
                     self.toggleProperty('submitting');
                     notifications.showAPIError(resp);
                 });
-            }, function (errors) {
+            }).catch(function (errors) {
                 self.toggleProperty('submitting');
                 notifications.showErrors(errors);
             });

app/router.js

@@ -19,7 +19,7 @@ var Router = Ember.Router.extend({
 documentTitle();
 
 Router.map(function () {
-    this.resource('setup', function () {
+    this.route('setup', function () {
         this.route('one');
         this.route('two');
         this.route('three');

app/routes/setup/one.js

@@ -1,24 +1,50 @@
 import Ember from 'ember';
-import ajax from 'ghost/utils/ajax';
+import {request as ajax} from 'ic-ajax';
 
-var SetupOneRoute = Ember.Route.extend({
-    titleToken: 'Setup',
-    beforeModel: function () {
-        var self = this,
-            ctrl = this.controllerFor('setup.one');
+var DownloadCountPoller = Ember.Object.extend({
+    url: null,
+    count: 'many, many',
+    runId: null,
 
-        if (!ctrl) {
-            this.generateController('setup.one');
-            ctrl = this.controllerFor('setup.one');
-        }
+    init: function () {
+        this.downloadCounter();
+        this.poll();
+    },
 
-        return ajax({
-            url: self.get('ghostPaths.count'),
-            type: 'GET'
-        }).then(function (data) {
-            ctrl.set('count', data.count.toLocaleString());
-        }).catch(function () { /* Do nothing */ });
+    poll: function () {
+        var interval = 3000,
+            runId;
+
+        runId = Ember.run.later(this, function () {
+            this.downloadCounter();
+            this.poll();
+        }, interval);
+
+        this.set('runId', runId);
+    },
+
+    downloadCounter: function () {
+        var self = this;
+
+        ajax(this.get('url')).then(function (data) {
+            self.set('count', data.count.toLocaleString());
+        }).catch(function () {
+            self.set('count', 'many, many');
+        });
     }
 });
 
-export default SetupOneRoute;
+export default Ember.Route.extend({
+    ghostPaths: Ember.inject.service('ghost-paths'),
+
+    model: function () {
+        return DownloadCountPoller.create({url: this.get('ghostPaths.count')});
+    },
+
+    resetController: function (controller, isExiting) {
+        if (isExiting) {
+            Ember.run.cancel(controller.get('model.runId'));
+            controller.set('model', null);
+        }
+    }
+});

app/routes/setup/three.js

@@ -1,7 +0,0 @@
-import Ember from 'ember';
-
-var SetupTwoRoute = Ember.Route.extend({
-    titleToken: 'Setup'
-});
-
-export default SetupTwoRoute;

app/routes/setup/two.js

@@ -1,7 +0,0 @@
-import Ember from 'ember';
-
-var SetupTwoRoute = Ember.Route.extend({
-    titleToken: 'Setup'
-});
-
-export default SetupTwoRoute;

app/templates/setup.hbs

@@ -5,15 +5,15 @@
             {{!-- TODO: this should only appear on screens 2 & 3 --}}
             <a class="gh-flow-back" href="#"><i class="icon-arrow-left"></i> Back</a>
             <ol>
-                {{#gh-activating-list-item route="setup.one" linkClass="step"}}
+                {{#gh-activating-list-item route="setup.one" linkClasses="step"}}
                     <i class="icon-check"></i><span class="num">1</span>
                 {{/gh-activating-list-item}}
                 <li class="divider"></li>
-                {{#gh-activating-list-item route="setup.two" linkClass="step"}}
+                {{#gh-activating-list-item route="setup.two" linkClasses="step"}}
                     <i class="icon-check"></i><span class="num">2</span>
                 {{/gh-activating-list-item}}
                 <li class="divider"></li>
-                {{#gh-activating-list-item route="setup.three" linkClass="step"}}
+                {{#gh-activating-list-item route="setup.three" linkClasses="step"}}
                     <i class="icon-check"></i><span class="num">3</span>
                 {{/gh-activating-list-item}}
             </ol>

app/templates/setup/one.hbs

@@ -1,7 +1,7 @@
 <section class="gh-flow-content">
     <header>
         <h1>Welcome to <strong>Ghost</strong>!</h1>
-        <p>So far there have been <em>{{count}}</em> Ghost blogs made by people all over the world. Today we’re making yours.</p>
+        <p>So far there have been <em>{{model.count}}</em> Ghost blogs made by people all over the world. Today we’re making yours.</p>
     </header>
 
     <img class="gh-flow-screenshot" src="{{gh-path 'admin' 'img/install-welcome.png'}}" alt="Ghost screenshot" />