fixed bug: last voting results deleted

Author: Matin Gohar Far

src/store/features/votings/reducer.ts

@@ -1,9 +1,9 @@
-import {createReducer} from "@reduxjs/toolkit";
-import {VotingsState} from "./types";
-import {initializeBoard} from "../board";
-import {createdVoting, updatedVoting} from "./actions";
+import { createReducer } from "@reduxjs/toolkit";
+import { VotingsState } from "./types";
+import { initializeBoard } from "../board";
+import { createdVoting, updatedVoting } from "./actions";
 
-const initialState: VotingsState = {open: undefined, past: []};
+const initialState: VotingsState = { open: undefined, past: [] };
 
 export const votingsReducer = createReducer(initialState, (builder) =>
   builder
@@ -17,15 +17,17 @@ export const votingsReducer = createReducer(initialState, (builder) =>
           }
           return acc;
         },
-        {open: undefined, past: []}
+        { open: undefined, past: [] }
       )
     )
     .addCase(createdVoting, (state, action) => {
       state.open = action.payload;
-      state.past = [];
     })
     .addCase(updatedVoting, (state, action) => {
       state.open = undefined;
-      state.past.push(action.payload.voting);
+      const incoming = action.payload.voting;
+      const lastKnown = state.past[0];
+      const votingToPush = incoming.votes ? incoming : { ...incoming, votes: lastKnown?.votes };
+      state.past.unshift(votingToPush);
     })
 );