Adding route to delete actions.

models/comment.js

@@ -104,14 +104,14 @@ CommentSchema.statics.findByStatusByActionType = function(status, action_type) {
   return Action
     .findCommentsIdByActionType(action_type, 'comment')
     .then((actions) => {
-      
+
       return Comment.find({
-        'status': status, 
+        'status': status,
         'id': {
           '$in': actions.map(a => {
             return a.item_id;
           })
-        }     
+        }
       });
 
     });
@@ -188,6 +188,21 @@ CommentSchema.statics.removeById = function(id) {
   return Comment.remove({'id': id});
 };
 
+/**
+ * Remove an action from the comment.
+ * @param {String} id  identifier of the comment  (uuid)
+ * @param {String} action_type the type of the action to be removed
+ * @param {String} user_id the id of the user performing the action
+*/
+CommentSchema.statics.removeAction = function(id, user_id, action_type) {
+  return Action.remove({
+    action_type: action_type,
+    item_type: 'comment',
+    item_id: id,
+    user_id: user_id
+  });
+};
+
 const Comment = mongoose.model('Comment', CommentSchema);
 
 module.exports = Comment;

routes/api/comments/index.js

@@ -54,7 +54,7 @@ router.get('/status/rejected', (req, res, next) => {
 // Pre-moderation:  New comments are shown in the moderator queues immediately.
 // Post-moderation: New comments do not appear in moderation queues unless they are flagged by other users.
 router.get('/status/pending', (req, res, next) => {
-  
+
   Setting
     .getModerationSetting()
     .then(({moderation}) => {
@@ -76,9 +76,9 @@ router.get('/status/pending', (req, res, next) => {
 //==============================================================================
 
 router.post('/', (req, res, next) => {
-  
+
   const {body, author_id, asset_id, parent_id, status, username} = req.body;
-  
+
   Comment
     .new(body, author_id, asset_id, parent_id, status, username)
     .then((comment) => {
@@ -109,7 +109,7 @@ router.post('/:comment_id', (req, res, next) => {
 });
 
 router.post('/:comment_id/status', (req, res, next) => {
-  
+
   Comment
     .changeStatus(req.params.comment_id, req.body.status)
     .then(comment => res.status(200).send(comment))
@@ -143,4 +143,15 @@ router.delete('/:comment_id', (req, res, next) => {
     });
 });
 
+router.delete('/:comment_id/actions', (req, res, next) => {
+  Comment
+    .removeAction(req.params.comment_id, req.body.user_id, req.body.action_type)
+    .then(() => {
+      res.status(201).send('OK. Removed');
+    })
+    .catch(error => {
+      next(error);
+    });
+});
+
 module.exports = router;

tests/models/comment.js

@@ -134,4 +134,15 @@ describe('Comment: models', () => {
     //   });
     // });
   });
+
+  describe('#removeAction', () => {
+    it('should remove an action', () => {
+      return Comment.removeAction('3', '123', 'flag').then(() => {
+        return Action.findByItemIdArray(['123']);
+      })
+      .then((actions) => {
+        expect(actions.length).to.equal(0);
+      });
+    });
+  });
 });