Added WIP frontend comments app

refs https://github.com/TryGhost/Team/issues/1664

core/server/services/comments/index.js

@@ -0,0 +1,12 @@
+const CommentsService = require('./service');
+const models = require('../models');
+
+class CommentsServiceWrapper {
+    init() {
+        this.api = new CommentsService({
+            models
+        });
+    }
+}
+
+module.exports = new CommentsServiceWrapper();

core/server/services/comments/service.js

@@ -0,0 +1,7 @@
+class CommentsService {
+    constructor({models}) {
+        this.models = models;
+    }
+}
+
+module.exports = CommentsService;

core/server/web/comments/app.js

@@ -0,0 +1,26 @@
+const debug = require('@tryghost/debug')('comments');
+const errorHandler = require('@tryghost/mw-error-handler');
+const cors = require('cors');
+const express = require('../../../shared/express');
+const urlUtils = require('../../../shared/url-utils');
+const sentry = require('../../../shared/sentry');
+
+module.exports = function setupCommentsApp() {
+    debug('Comments App setup start');
+    const commentsApp = express('comments');
+
+    // Support CORS for requests from the frontend
+    const siteUrl = new URL(urlUtils.getSiteUrl());
+    commentsApp.use(cors(siteUrl.origin));
+
+    // Routing
+    commentsApp.get('/api/comments');
+
+    // API error handling
+    commentsApp.use('/api', errorHandler.resourceNotFound);
+    commentsApp.use('/api', errorHandler.handleJSONResponse(sentry));
+
+    debug('Comments App setup end');
+
+    return commentsApp;
+};

core/server/web/comments/index.js

@@ -0,0 +1 @@
+module.exports = require('./app');

core/server/web/parent/frontend.js

@@ -18,6 +18,7 @@ module.exports = (routerConfig) => {
     frontendApp.use(shared.middleware.urlRedirects.frontendSSLRedirect);
 
     frontendApp.lazyUse('/members', require('../members'));
+    frontendApp.lazyUse('/comments', require('../comments'));
     frontendApp.use('/', require('../../../frontend/web')(routerConfig));
 
     return frontendApp;