Merge pull request #6017 from kevinansfield/finalize-debounced-gravatar

Finish changes in #5807 (debounced gravatar load in gh-profile-image)

core/client/app/components/gh-profile-image.js

@@ -5,11 +5,12 @@ import Ember from 'ember';
  * A component to manage a user profile image. By default it just handles picture uploads,
  * but if passed a bound 'email' property it will render the user's gravatar image
  *
- * Example: {{gh-profile-image email=controllerEmailProperty setImage="controllerActionName"}}
+ * Example: {{gh-profile-image email=controllerEmailProperty setImage="controllerActionName" debounce=500}}
  *
  * @param  {int}            size              The size of the image to render
  * @param  {String}         email             Reference to a bound email object if gravatar image behavior is desired.
- * @param  {String}  setImage          The string name of the action on the controller to be called when an image is added.
+ * @param  {String|action}  setImage          The string name of the action on the controller to be called when an image is added.
+ * @param  {int}            debounce          Period to wait after changes to email before attempting to load gravatar
  * @property  {Boolean}     hasUploadedImage  Whether or not the user has uploaded an image (whether or not to show the default image/gravatar image)
  * @property  {String}      defaultImage      String containing the background-image css property of the default user profile image
  * @property  {String}      imageBackground   String containing the background-image css property with the gravatar url
@@ -17,24 +18,39 @@ import Ember from 'ember';
 export default Ember.Component.extend({
     email: '',
     size: 90,
+    debounce: 300,
+
+    validEmail: '',
     hasUploadedImage: false,
     fileStorage: true,
 
     ghostPaths: Ember.inject.service('ghost-paths'),
-    hasEmail: Ember.computed.notEmpty('email'),
+    displayGravatar: Ember.computed.notEmpty('validEmail'),
 
     defaultImage: Ember.computed('ghostPaths', function () {
-        var url = this.get('ghostPaths.url').asset('/shared/img/user-image.png');
+        const url = this.get('ghostPaths.url').asset('/shared/img/user-image.png');
-        return `background-image: url(${url})`.htmlSafe();
+        return Ember.String.htmlSafe(`background-image: url(${url})`);
     }),
 
-    imageBackground: Ember.computed('email', 'size', function () {
+    trySetValidEmail: function () {
-        var email = this.get('email'),
+        if (!this.get('isDestroyed')) {
-            size = this.get('size'),
+            const email = this.get('email');
-            url;
+            this.set('validEmail', validator.isEmail(email) ? email : '');
+        }
+    },
+
+    didReceiveAttrs: function (attrs) {
+        const timeout = parseInt(attrs.newAttrs.throttle || this.get('debounce'));
+        Ember.run.debounce(this, 'trySetValidEmail', timeout);
+    },
+
+    imageBackground: Ember.computed('validEmail', 'size', function () {
+        const email = this.get('validEmail'),
+              size = this.get('size');
+
         if (email) {
-            url = 'http://www.gravatar.com/avatar/' + md5(email) + '?s=' + size + '&d=blank';
+            let url = `http://www.gravatar.com/avatar/${md5(email)}?s=${size}&d=blank`;
-            return `background-image: url(${url})`.htmlSafe();
+            return Ember.String.htmlSafe(`background-image: url(${url})`);
         }
     }),
 
@@ -42,6 +58,9 @@ export default Ember.Component.extend({
         var size = this.get('size'),
             uploadElement = this.$('.js-file-input');
 
+        // Fire this immediately in case we're initialized with a valid email
+        this.trySetValidEmail();
+
         // while theoretically the 'add' and 'processalways' functions could be
         // added as properties of the hash passed to fileupload(), for some reason
         // they needed to be placed in an on() call for the add method to work correctly
@@ -59,11 +78,13 @@ export default Ember.Component.extend({
     },
 
     willDestroyElement: function () {
+        if (this.$('.js-file-input').data()['blueimp-fileupload']) {
             this.$('.js-file-input').fileupload('destroy');
+        }
     },
 
     queueFile: function (e, data) {
-        var fileName = data.files[0].name;
+        const fileName = data.files[0].name;
 
         if ((/\.(gif|jpe?g|png|svg?z)$/i).test(fileName)) {
             this.sendAction('setImage', data);
@@ -71,7 +92,7 @@ export default Ember.Component.extend({
     },
 
     triggerPreview: function (e, data) {
-        var file = data.files[data.index];
+        const file = data.files[data.index];
         if (file.preview) {
             this.set('hasUploadedImage', true);
             // necessary jQuery code because file.preview is a raw DOM object

core/client/app/controllers/setup/two.js

@@ -7,7 +7,6 @@ export default Ember.Controller.extend(ValidationEngine, {
     blogTitle: null,
     name: null,
     email: '',
-    validEmail: '',
     password: null,
     image: null,
     blogCreated: false,
@@ -53,9 +52,6 @@ export default Ember.Controller.extend(ValidationEngine, {
         preValidate: function (model) {
             // Only triggers validation if a value has been entered, preventing empty errors on focusOut
             if (this.get(model)) {
-                if (model === 'email') {
-                    this.send('handleEmail');
-                }
                 this.validate({property: model});
             }
         },
@@ -119,13 +115,6 @@ export default Ember.Controller.extend(ValidationEngine, {
         },
         setImage: function (image) {
             this.set('image', image);
-        },
-        handleEmail: function () {
-            var self = this;
-
-            this.validate({property: 'email'}).then(function () {
-                self.set('validEmail', self.get('email'));
-            });
         }
     }
 });

core/client/app/controllers/signup.js

@@ -9,7 +9,6 @@ export default Ember.Controller.extend(ValidationEngine, {
     submitting: false,
     flowErrors: '',
     image: null,
-    validEmail: '',
 
     ghostPaths: Ember.inject.service('ghost-paths'),
     config: Ember.inject.service(),
@@ -88,13 +87,6 @@ export default Ember.Controller.extend(ValidationEngine, {
         },
         setImage: function (image) {
             this.set('image', image);
-        },
-        handleEmail: function () {
-            var self = this;
-
-            this.validate({property: 'email'}).then(function () {
-                self.set('validEmail', self.get('email'));
-            });
         }
     }
 });

core/client/app/templates/components/gh-profile-image.hbs

@@ -2,7 +2,7 @@
     {{#unless hasUploadedImage}}
         <div class="placeholder-img" style={{defaultImage}}></div>
 
-        {{#if hasEmail}}
+        {{#if displayGravatar}}
             <div id="account-image" class="gravatar-img" style={{imageBackground}}>
                 <span class="sr-only">User image</span>
             </div>

core/client/app/templates/setup/two.hbs

@@ -7,7 +7,7 @@
     <input style="display:none;" type="text" name="fakeusernameremembered"/>
     <input style="display:none;" type="password" name="fakepasswordremembered"/>
 
-    {{gh-profile-image fileStorage=config.fileStorage email=validEmail setImage="setImage"}}
+    {{gh-profile-image fileStorage=config.fileStorage email=email setImage="setImage"}}
     {{#gh-form-group errors=errors hasValidated=hasValidated property="email"}}
         <label for="email-address">Email address</label>
         <span class="input-icon icon-mail">

core/client/app/templates/signup.hbs

@@ -11,11 +11,11 @@
                 <input style="display:none;" type="text" name="fakeusernameremembered"/>
                 <input style="display:none;" type="password" name="fakepasswordremembered"/>
 
-                {{gh-profile-image fileStorage=config.fileStorage email=validEmail setImage="setImage"}}
+                {{gh-profile-image fileStorage=config.fileStorage email=model.email setImage="setImage"}}
                 {{#gh-form-group errors=model.errors hasValidated=hasValidated property="email"}}
                     <label for="email-address">Email address</label>
                     <span class="input-icon icon-mail">
-                        {{gh-input type="email" name="email" placeholder="Eg. john@example.com" enter=(action "signup") disabled="disabled" autocorrect="off" value=model.email focusOut=(action "handleEmail")}}
+                        {{gh-input type="email" name="email" placeholder="Eg. john@example.com" enter=(action "signup") disabled="disabled" autocorrect="off" value=model.email focusOut=(action "validate" "email")}}
                     </span>
                     {{gh-error-message errors=model.errors property="email"}}
                 {{/gh-form-group}}

core/client/bower.json

@@ -8,7 +8,7 @@
     "ember-cli-shims": "ember-cli/ember-cli-shims#0.0.3",
     "ember-cli-test-loader": "0.1.3",
     "ember-data": "1.13.13",
-    "ember-mocha": "0.8.4",
+    "ember-mocha": "0.8.6",
     "ember-load-initializers": "ember-cli/ember-load-initializers#0.1.5",
     "ember-resolver": "0.1.18",
     "fastclick": "1.0.6",

core/client/tests/integration/components/gh-profile-image-test.js

@@ -0,0 +1,91 @@
+/* jshint expr:true */
+/* global md5 */
+import { expect } from 'chai';
+import {
+    describeComponent,
+    it
+} from 'ember-mocha';
+import hbs from 'htmlbars-inline-precompile';
+import Ember from 'ember';
+
+const {run} = Ember,
+      pathsStub = Ember.Service.extend({
+          url: {
+              api: function () {
+                  return '';
+              },
+              asset: function (src) {
+                  return src;
+              }
+          }
+      });
+
+describeComponent(
+    'gh-profile-image',
+    'Integration: Component: gh-profile-image',
+    {
+        integration: true
+    },
+    function () {
+        beforeEach(function () {
+            this.register('service:ghost-paths', pathsStub);
+            this.inject.service('ghost-paths', {as: 'ghost-paths'});
+        });
+
+        it('renders', function () {
+            this.set('email', '');
+
+            this.render(hbs`
+                {{gh-profile-image email=email}}
+            `);
+
+            expect(this.$()).to.have.length(1);
+        });
+
+        it('immediately renders the gravatar if valid email supplied', function () {
+            let email = 'test@example.com',
+                expectedUrl = `http://www.gravatar.com/avatar/${md5(email)}?s=100&d=blank`;
+
+            this.set('email', email);
+
+            this.render(hbs`
+                {{gh-profile-image email=email size=100 debounce=300}}
+            `);
+
+            expect(this.$('.gravatar-img').attr('style'), 'gravatar image style')
+                .to.equal(`background-image: url(${expectedUrl})`);
+        });
+
+        it('throttles gravatar loading as email is changed', function (done) {
+            let email = 'test@example.com',
+                expectedUrl = `http://www.gravatar.com/avatar/${md5(email)}?s=100&d=blank`;
+
+            this.set('email', 'test');
+
+            this.render(hbs`
+                {{gh-profile-image email=email size=100 debounce=300}}
+            `);
+
+            expect(this.$('.gravatar-img').length, '.gravatar-img not shown for invalid email')
+                .to.equal(0);
+
+            run(() => {
+                this.set('email', email);
+            });
+
+            expect(this.$('.gravatar-img').length, '.gravatar-img not immediately changed on email change')
+                .to.equal(0);
+
+            Ember.run.later(this, function () {
+                expect(this.$('.gravatar-img').length, '.gravatar-img still not shown before throttle timeout')
+                    .to.equal(0);
+            }, 250);
+
+            Ember.run.later(this, function () {
+                expect(this.$('.gravatar-img').attr('style'), '.gravatar-img style after timeout')
+                    .to.equal(`background-image: url(${expectedUrl})`);
+                done();
+            }, 400);
+        });
+    }
+);

core/client/tests/unit/components/gh-profile-image-test.js

@@ -1,48 +0,0 @@
-/* jshint expr:true */
-/* global md5 */
-import { expect } from 'chai';
-import {
-    describeComponent,
-    it
-} from 'ember-mocha';
-
-describeComponent(
-    'gh-profile-image',
-    'Unit: Component: gh-profile-image',
-    {
-        unit: true,
-        needs: ['service:ghost-paths']
-    },
-    function () {
-        it('renders', function () {
-            // creates the component instance
-            var component = this.subject();
-            expect(component._state).to.equal('preRender');
-
-            // renders the component on the page
-            this.render();
-            expect(component._state).to.equal('inDOM');
-        });
-        it('renders the gravatar image background if email is supplied', function () {
-            var component = this.subject(),
-                testEmail = 'test@example.com',
-                style, size;
-
-            component.set('email', testEmail);
-            this.render();
-
-            size = component.get('size');
-
-            style = 'url(http://www.gravatar.com/avatar/' + md5(testEmail) + '?s=' + size + '&d=blank)';
-
-            expect(component.$('#account-image').css('background-image')).to.equal(style);
-        });
-        it('doesn\'t render the gravatar image background if email isn\'t supplied', function () {
-            var component = this.subject();
-
-            this.render();
-
-            expect(component.$('#account-image').length).to.equal(0);
-        });
-    }
-);