Updated comment API to only return top-level comments

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

- we will have a separate concept of returning replies

core/server/models/comment.js

@@ -48,7 +48,12 @@ const Comment = ghostBookshelf.Model.extend({
         }
 
         model.emitChange('added', options);
+    },
+
+    enforcedFilters: function enforcedFilters() {
+        return 'parent_id:null';
     }
+
 }, {
     destroy: function destroy(unfilteredOptions) {
         let options = this.filterOptions(unfilteredOptions, 'destroy', {extraAllowedProperties: ['id']});

test/e2e-api/members-comments/__snapshots__/comments.test.js.snap

@@ -19,22 +19,6 @@ Object {
       },
       "status": "published",
     },
-    Object {
-      "created_at": StringMatching /\\\\d\\{4\\}-\\\\d\\{2\\}-\\\\d\\{2\\}T\\\\d\\{2\\}:\\\\d\\{2\\}:\\\\d\\{2\\}\\\\\\.000Z/,
-      "edited_at": null,
-      "html": "<p>Really original</p>",
-      "id": StringMatching /\\[a-f0-9\\]\\{24\\}/,
-      "liked": Any<Boolean>,
-      "likes_count": Any<Number>,
-      "member": Object {
-        "avatar_image": null,
-        "bio": null,
-        "id": StringMatching /\\[a-f0-9\\]\\{24\\}/,
-        "name": null,
-        "uuid": StringMatching /\\[a-f0-9\\]\\{8\\}-\\[a-f0-9\\]\\{4\\}-\\[a-f0-9\\]\\{4\\}-\\[a-f0-9\\]\\{4\\}-\\[a-f0-9\\]\\{12\\}/,
-      },
-      "status": "published",
-    },
     Object {
       "created_at": StringMatching /\\\\d\\{4\\}-\\\\d\\{2\\}-\\\\d\\{2\\}T\\\\d\\{2\\}:\\\\d\\{2\\}:\\\\d\\{2\\}\\\\\\.000Z/,
       "edited_at": null,
@@ -59,7 +43,7 @@ Object {
       "page": 1,
       "pages": 1,
       "prev": null,
-      "total": 3,
+      "total": 2,
     },
   },
 }
@@ -69,7 +53,7 @@ exports[`Comments API when authenticated Can browse all comments of a post 2: [h
 Object {
   "access-control-allow-origin": "*",
   "cache-control": "no-cache, private, no-store, must-revalidate, max-stale=0, post-check=0, pre-check=0",
-  "content-length": "1010",
+  "content-length": "704",
   "content-type": "application/json; charset=utf-8",
   "etag": StringMatching /\\(\\?:W\\\\/\\)\\?"\\(\\?:\\[ !#-\\\\x7E\\\\x80-\\\\xFF\\]\\*\\|\\\\r\\\\n\\[\\\\t \\]\\|\\\\\\\\\\.\\)\\*"/,
   "vary": "Accept-Encoding",

test/e2e-api/members-comments/comments.test.js

@@ -69,7 +69,7 @@ describe('Comments API', function () {
                     etag: anyEtag
                 })
                 .matchBodySnapshot({
-                    comments: new Array(3).fill(commentMatcherWithMember)
+                    comments: new Array(2).fill(commentMatcherWithMember)
                 });
         });