Fix: like, unlike for single post

Author: ZeroCho

https/front/reducers/post.js

@@ -147,9 +147,14 @@ const reducer = (state = initialState, action) => produce(state, (draft) => {
       break;
     case LIKE_POST_SUCCESS: {
       const post = draft.mainPosts.find((v) => v.id === action.data.PostId);
-      post.Likers.push({ id: action.data.UserId });
+      if (post) {
+        post.Likers.push({ id: action.data.UserId });
+      }
       draft.likePostLoading = false;
       draft.likePostDone = true;
+      if (draft.singlePost?.Likers) {
+        draft.singlePost.Likers.push({ id: action.data.UserId });
+      }
       break;
     }
     case LIKE_POST_FAILURE:
@@ -163,9 +168,15 @@ const reducer = (state = initialState, action) => produce(state, (draft) => {
       break;
     case UNLIKE_POST_SUCCESS: {
       const post = draft.mainPosts.find((v) => v.id === action.data.PostId);
-      post.Likers = post.Likers.filter((v) => v.id !== action.data.UserId);
+      if (post) {
+        post.Likers = post.Likers.filter((v) => v.id !== action.data.UserId);
+      }
       draft.unlikePostLoading = false;
       draft.unlikePostDone = true;
+      if (draft.singlePost?.Likers) {
+        const index = draft.singlePost.Likers.find((v) => v.id === action.data.UserId);
+        draft.singlePost.Likers.splice(index, 1);
+      }
       break;
     }
     case UNLIKE_POST_FAILURE: