Better HTML emails, smarter email digests, new email section in admin with digest preview

app/assets/javascripts/admin/controllers/admin_email_index_controller.js

@@ -1,21 +1,29 @@
 /**
-  This controller supports the interface for reviewing email logs.
+  This controller supports email functionality.
 
-  @class AdminEmailLogsController
-  @extends Ember.ArrayController
+  @class AdminEmailIndexController
+  @extends Discourse.Controller
   @namespace Discourse
   @module Discourse
 **/
-Discourse.AdminEmailLogsController = Ember.ArrayController.extend(Discourse.Presence, {
+Discourse.AdminEmailIndexController = Discourse.Controller.extend(Discourse.Presence, {
 
   /**
     Is the "send test email" button disabled?
 
     @property sendTestEmailDisabled
   **/
-  sendTestEmailDisabled: function() {
-    return this.blank('testEmailAddress');
-  }.property('testEmailAddress'),
+  sendTestEmailDisabled: Em.computed.empty('testEmailAddress'),
+
+  /**
+    Clears the 'sentTestEmail' property on successful send.
+
+    @method testEmailAddressChanged
+  **/
+  testEmailAddressChanged: function() {
+    this.set('sentTestEmail', false);
+  }.observes('testEmailAddress'),
+
 
   /**
     Sends a test email to the currently entered email address
@@ -26,7 +34,7 @@ Discourse.AdminEmailLogsController = Ember.ArrayController.extend(Discourse.Pres
     this.set('sentTestEmail', false);
 
     var adminEmailLogsController = this;
-    Discourse.ajax("/admin/email_logs/test", {
+    Discourse.ajax("/admin/email/test", {
       type: 'POST',
       data: { email_address: this.get('testEmailAddress') }
     }).then(function () {

app/assets/javascripts/admin/controllers/admin_email_preview_digest_controller.js

@@ -0,0 +1,21 @@
+/**
+  This controller previews an email digest
+
+  @class AdminEmailPreviewDigestController
+  @extends Discourse.ObjectController
+  @namespace Discourse
+  @module Discourse
+**/
+Discourse.AdminEmailPreviewDigestController = Discourse.ObjectController.extend(Discourse.Presence, {
+
+  refresh: function() {
+    var model = this.get('model');
+    var controller = this;
+    controller.set('loading', true);
+    Discourse.EmailPreview.findDigest(this.get('lastSeen')).then(function (email) {
+      model.setProperties(email.getProperties('html_content', 'text_content'));
+      controller.set('loading', false);
+    })
+  }
+
+});