Added initial counts api for comments

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

core/server/api/endpoints/comments-comments.js

@@ -2,6 +2,7 @@ const Promise = require('bluebird');
 const tpl = require('@tryghost/tpl');
 const errors = require('@tryghost/errors');
 const models = require('../../models');
+const db = require('../../data/db');
 const ALLOWED_INCLUDES = ['post', 'member', 'likes', 'replies'];
 const UNSAFE_ATTRS = ['status'];
 
@@ -156,6 +157,29 @@ module.exports = {
         }
     },
 
+    counts: {
+        permissions: false,
+        async query(frame) {
+            const query = db.knex('comments')
+                .select(db.knex.raw(`COUNT(*) AS count, post_id`))
+                .groupBy('post_id');
+
+            if (Array.isArray(frame?.data?.ids)) {
+                query.whereIn('post_id', frame.data.ids);
+            }
+
+            const results = await query;
+
+            const counts = {};
+
+            for (const row of results) {
+                counts[row.post_id] = row.count;
+            }
+
+            return counts;
+        }
+    },
+
     like: {
         statusCode: 204,
         options: [

core/server/api/endpoints/utils/serializers/output/comments.js

@@ -0,0 +1,5 @@
+module.exports = {
+    counts(response, apiConfig, frame) {
+        frame.response = response;
+    }
+};

core/server/api/endpoints/utils/serializers/output/index.js

@@ -13,6 +13,10 @@ module.exports = {
         return require('./default');
     },
 
+    get comments() {
+        return require('./comments');
+    },
+
     get authentication() {
         return require('./authentication');
     },

core/server/web/comments/routes.js

@@ -13,6 +13,8 @@ module.exports = function apiRoutes() {
     // Global handling for member session, ensures a member is logged in to the frontend
     router.use(membersService.middleware.loadMemberSession);
 
+    router.post('/counts', http(api.commentsComments.counts));
+
     router.get('/', http(api.commentsComments.browse));
     router.get('/:id', http(api.commentsComments.read));
     router.post('/', http(api.commentsComments.add));