Remove back-end function Post.FindByID from API

app/controllers/comment.go

@@ -150,9 +150,8 @@ func (c ApiComment) Create() revel.Result {
     return c.ApiError(http.StatusBadRequest, ERR_EMPTY_STRING)
   }
 
-  err := post.FindByID(postID)
-  if err != nil {
-    c.Log.Error(TAG, "db", err, "api", ERR_NOT_FOUND)
+  if !post.Exists(postID) {
+    c.Log.Error(TAG, "api", ERR_NOT_FOUND)
     return c.ApiError(http.StatusNotFound, ERR_NOT_FOUND)
   }
 

app/controllers/like.go

@@ -169,7 +169,7 @@ func (l ApiLike) Create() revel.Result {
   l.Params.Bind(&postID, "id")
   l.Params.Bind(&positive, "positive")
 
-  err := post.FindByID(postID)
+  err := post.FindByIDAndUser(postID, l.CurrentUser)
   if err != nil {
     l.Log.Error(TAG, "db", err, "api", ERR_NOT_FOUND)
     return l.ApiError(http.StatusNotFound, ERR_NOT_FOUND)