refactor and cleanup

redux/slices/database/addPoiSlice.js

@@ -0,0 +1,38 @@
+import { createSlice } from "@reduxjs/toolkit";
+import { addPoiThunk } from "../../thunks/database/addPoiThunk";
+
+const initialState = {
+  status: "idle", // idle | loading | succeeded | failed
+  error: null,
+};
+
+const addPoiSlice = createSlice({
+  name: "addPoi",
+  initialState,
+  reducers: {
+    resetAddPoiStatus: (state) => {
+      state.status = "idle";
+      state.error = null;
+    },
+  },
+  extraReducers: (builder) => {
+    builder
+      .addCase(addPoiThunk.pending, (state) => {
+        state.status = "loading";
+      })
+      .addCase(addPoiThunk.fulfilled, (state) => {
+        state.status = "succeeded";
+        state.error = null;
+      })
+      .addCase(addPoiThunk.rejected, (state, action) => {
+        state.status = "failed";
+        state.error = action.payload;
+      });
+  },
+});
+
+export const { resetAddPoiStatus } = addPoiSlice.actions;
+export default addPoiSlice.reducer;
+
+export const selectAddPoiStatus = (state) => state.addPoi.status;
+export const selectAddPoiError = (state) => state.addPoi.error;