Adds global feature manager

closes #4409

ghost/admin/controllers/settings.js

@@ -5,18 +5,15 @@ var SettingsController = Ember.Controller.extend({
     showUsers: Ember.computed('session.user.name', function () {
         return this.get('session.user.isAuthor') ? false : true;
     }),
-    showTags: Ember.computed('session.user.name', 'config.tagsUI', function () {
+    showTags: Ember.computed('session.user.name', 'feature.tagsUI', function () {
-        return this.get('session.user.isAuthor') || !this.get('config.tagsUI') ? false : true;
+        return this.get('session.user.isAuthor') || !this.get('feature.tagsUI') ? false : true;
     }),
-
+    showCodeInjection: Ember.computed('session.user.name', 'feature.codeInjectionUI', function () {
-    showCodeInjection: Ember.computed('session.user.name', 'config.codeInjectionUI', function () {
+        return this.get('session.user.isAuthor') || this.get('session.user.isEditor') || !this.get('feature.codeInjectionUI') ? false : true;
-        return this.get('session.user.isAuthor') || this.get('session.user.isEditor') || !this.get('config.codeInjectionUI') ? false : true;
     }),
-
     showLabs: Ember.computed('session.user.name', function () {
         return this.get('session.user.isAuthor')  || this.get('session.user.isEditor') ? false : true;
     }),
-
     showAbout: Ember.computed('session.user.name', function () {
         return this.get('session.user.isAuthor') ? false : true;
     })

ghost/admin/controllers/settings/labs.js

@@ -1,15 +1,18 @@
-var LabsController = Ember.ObjectController.extend(Ember.Evented, {
+var LabsController = Ember.Controller.extend(Ember.Evented, {
     uploadButtonText: 'Import',
     importErrors: '',
+    labsJSON: Ember.computed('model.labs', function () {
+        return JSON.parse(this.get('model.labs') || {});
+    }),
 
     saveLabs: function (optionName, optionValue) {
-        var labsConfig = this.get('labs'),
+        var self = this,
-            labsJSON = (this.get('labs')) ? JSON.parse(labsConfig) : {};
+            labsJSON =  this.get('labsJSON');
 
         // Set new value in the JSON object
         labsJSON[optionName] = optionValue;
 
-        this.set('labs', JSON.stringify(labsJSON));
+        this.set('model.labs', JSON.stringify(labsJSON));
 
         this.get('model').save().catch(function (errors) {
             self.showErrors(errors);
@@ -17,6 +20,9 @@ var LabsController = Ember.ObjectController.extend(Ember.Evented, {
         });
     },
 
+    tagsUIFlag: Ember.computed.alias('config.tagsUI'),
+    codeUIFlag: Ember.computed.alias('config.codeInjectionUI'),
+
     useTagsUI: Ember.computed('tagsUI', function (key, value) {
         // setter
         if (arguments.length > 1) {
@@ -24,10 +30,7 @@ var LabsController = Ember.ObjectController.extend(Ember.Evented, {
         }
 
         // getter
-        var labsConfig = (this.get('labs')) ? JSON.parse(this.get('labs')) : false;
+        return this.get('feature.tagsUI') || false;
-
-
-        return (labsConfig.tagsUI) ? labsConfig.tagsUI : false;
     }),
 
     useCodeInjectionUI: Ember.computed('codeInjectionUI', function (key, value) {
@@ -37,10 +40,7 @@ var LabsController = Ember.ObjectController.extend(Ember.Evented, {
         }
 
         // getter
-        var labsConfig = (this.get('labs')) ? JSON.parse(this.get('labs')) : false;
+        return this.get('feature.codeInjectionUI') || false;
-
-
-        return (labsConfig.codeInjectionUI) ? labsConfig.codeInjectionUI : false;
     }),
 
     actions: {

ghost/admin/initializers/feature.js

@@ -0,0 +1,17 @@
+import Feature from 'ghost/utils/feature';
+
+var injectFeatureInitializer = {
+    name: 'injectFeature',
+    after: ['config', 'store'],
+
+    initialize: function (container, application) {
+        application.register('feature:main', Feature);
+        application.inject('feature:main', 'store', 'store:main');
+        application.inject('feature:main', 'config', 'ghost:config');
+
+        application.inject('controller', 'feature', 'feature:main');
+        application.inject('route', 'feature', 'feature:main');
+    }
+};
+
+export default injectFeatureInitializer;

ghost/admin/routes/settings/tags.js

@@ -13,7 +13,7 @@ var TagsRoute = AuthenticatedRoute.extend(CurrentUserSettings, PaginationRouteMi
     titleToken: 'Tags',
 
     beforeModel: function () {
-        if (!this.get('config.tagsUI')) {
+        if (!this.get('feature.tagsUI')) {
             return this.transitionTo('settings.general');
         }
 

ghost/admin/templates/settings/labs.hbs

@@ -49,25 +49,30 @@
 
     <form>
         <fieldset>
+            {{#unless tagsUIFlag}}
             <div class="form-group for-checkbox">
                 <label for="labs-tagsUI">Tag Management</label>
                 <label class="checkbox" for="labs-tagsUI">
                     {{input id="labs-tagsUI" name="labs[tagsUI]" type="checkbox" checked=useTagsUI}}
                     <span class="input-toggle-component"></span>
-                    <p>Enable the tag management interface (work in progress)</p>
+                    <p>Enable the tag management interface</p>
-                    <p>A settings screen which enables you to add, edit and delete tags</p>
                 </label>
+                <p>A settings screen which enables you to add, edit and delete tags  (work in progress)</p>
             </div>
+            {{/unless}}
 
+            {{#unless codeUIFlag}}
             <div class="form-group for-checkbox">
                 <label for="labs-codeInjectionUI">Code Injection</label>
-                <label class="checkbox" for="labs-codeInjectionUI">
+                <label class="check box" for="labs-codeInjectionUI">
-                    {{input id="labs-codeInjectionUI" name="labs[codeInjectionUI]" type="checkbox" checked=useCodeInjectionUI}}
+                    {{input id="labs-codeInjectionUI" name="labs[codeInjectionUI]" type="checkbox"
+                    checked=useCodeInjectionUI}}
                     <span class="input-toggle-component"></span>
-                    <p>Enable the code injection interface (work in progress)</p>
+                    <p>Enable the code injection interface</p>
-                    <p>A settings screen which enables you to add code into your theme</p>
                 </label>
+                <p>A settings screen which enables you to add code into your theme (work in progress)</p>
             </div>
+            {{/unless}}
         </fieldset>
     </form>
 

ghost/admin/utils/feature.js

@@ -0,0 +1,24 @@
+var Feature;
+
+Feature = Ember.Object.extend({
+    init: function () {
+        var self = this;
+        this.store.find('setting').then(function (settings) {
+            self.set('setting', settings.get('firstObject'));
+        });
+    },
+    labs: Ember.computed('setting', 'setting.labs', function () {
+        if (this.setting) {
+            return JSON.parse(this.get('setting.labs') || {});
+        }
+        return {};
+    }),
+    tagsUI: Ember.computed('config.tagsUI', 'labs.tagsUI', function () {
+        return this.config.tagsUI || this.get('labs.tagsUI');
+    }),
+    codeInjectionUI: Ember.computed('config.codeInjectionUI', 'labs.codeInjectionUI', function () {
+        return this.config.codeInjectionUI || this.get('labs.codeInjectionUI');
+    })
+});
+
+export default Feature;