feat: created Grading page (#557)

src/grading-settings/data/slice.js

@@ -0,0 +1,43 @@
+/* eslint-disable no-param-reassign */
+import { createSlice } from '@reduxjs/toolkit';
+
+import { RequestStatus } from '../../data/constants';
+
+const slice = createSlice({
+  name: 'gradingSettings',
+  initialState: {
+    loadingStatus: RequestStatus.IN_PROGRESS,
+    savingStatus: '',
+    gradingSettings: {},
+    courseSettings: {},
+  },
+  reducers: {
+    updateLoadingStatus: (state, { payload }) => {
+      state.loadingStatus = payload.status;
+    },
+    updateSavingStatus: (state, { payload }) => {
+      state.savingStatus = payload.status;
+    },
+    fetchGradingSettingsSuccess: (state, { payload }) => {
+      Object.assign(state.gradingSettings, payload);
+    },
+    sendGradingSettingsSuccess: (state, { payload }) => {
+      Object.assign(state.gradingSettings, payload);
+    },
+    fetchCourseSettingsSuccess: (state, { payload }) => {
+      Object.assign(state.courseSettings, payload);
+    },
+  },
+});
+
+export const {
+  updateLoadingStatus,
+  updateSavingStatus,
+  fetchGradingSettingsSuccess,
+  sendGradingSettingsSuccess,
+  fetchCourseSettingsSuccess,
+} = slice.actions;
+
+export const {
+  reducer,
+} = slice;