Add home screen state persistence

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

src/app.tsx

@@ -10,10 +10,10 @@ import type {} from 'redux-thunk/extend-redux';
 import { lightTheme, darkTheme } from './theme';
 import { Meme, Tag } from './database';
 import NavigationContainer from './navigation';
-import { store, persistor, updateStorageUri, validateSettings } from './redux';
+import { store, persistor, updateStorageUri, validateSettings } from './state';
 import { LoadingView } from './components';
 import { Welcome } from './screens';
-import { noOp } from './constants';
+import { noOp } from './utilities';
 
 const App = () => {
   const [showWelcome, setShowWelcome] = useState(false);
@@ -43,13 +43,13 @@ const App = () => {
   }, []);
 
   return (
+    <PaperProvider theme={theme}>
       <Provider store={store}>
         <PersistGate
           loading={<LoadingView />}
           persistor={persistor}
           onBeforeLift={onBeforeLift}>
           <RealmProvider schema={[Meme, Tag]}>
-          <PaperProvider theme={theme}>
             <SafeAreaProvider>
               <StatusBar
                 barStyle={isDarkMode ? 'light-content' : 'dark-content'}
@@ -68,10 +68,10 @@ const App = () => {
                 <NavigationContainer />
               )}
             </SafeAreaProvider>
-          </PaperProvider>
           </RealmProvider>
         </PersistGate>
       </Provider>
+    </PaperProvider>
   );
 };
 

src/screens/home.tsx

@@ -7,37 +7,46 @@ import {
   Divider,
   useTheme,
 } from 'react-native-paper';
+import { useDispatch, useSelector } from 'react-redux';
 import { PaddedView } from '../components';
 import styles, { verticalScale } from '../styles';
-import { SORT, SORT_DIRECTION, VIEW } from '../types';
+import { SORT, SORT_DIRECTION } from '../types';
-import { getNextView, getSortIcon, getViewIcon } from '../utilities';
+import { getSortIcon, getViewIcon } from '../utilities';
+import {
+  RootState,
+  cycleView,
+  toggleSortDirection,
+  setSortDirection,
+  toggleFavoritesOnly,
+  setSort,
+} from '../state';
 
 const Home = () => {
   const theme = useTheme();
 
+  const sort = useSelector((state: RootState) => state.home.sort);
+  const sortDirection = useSelector(
+    (state: RootState) => state.home.sortDirection,
+  );
+  const view = useSelector((state: RootState) => state.home.view);
+  const favoritesOnly = useSelector(
+    (state: RootState) => state.home.favoritesOnly,
+  );
+  const dispatch = useDispatch();
+
   const [sortMenuVisible, setSortMenuVisible] = useState(false);
-  const [sort, setSort] = useState(SORT.TITLE);
-  const [sortDirection, setSortDirection] = useState(SORT_DIRECTION.ASCENDING);
-  const [viewType, setViewType] = useState(VIEW.MASONRY);
-  const [favoritesOnly, setFavoritesOnly] = useState(false);
 
   const handleSortModeChange = (newSort: SORT) => {
     if (newSort === sort) {
-      setSortDirection(
+      dispatch(toggleSortDirection());
-        sortDirection === SORT_DIRECTION.ASCENDING
-          ? SORT_DIRECTION.DESCENDING
-          : SORT_DIRECTION.ASCENDING,
-      );
     } else {
-      setSort(newSort);
+      dispatch(setSort(newSort));
-
       if (newSort === SORT.TITLE) {
-        setSortDirection(SORT_DIRECTION.ASCENDING);
+        dispatch(setSortDirection(SORT_DIRECTION.ASCENDING));
       } else {
-        setSortDirection(SORT_DIRECTION.DESCENDING);
+        dispatch(setSortDirection(SORT_DIRECTION.DESCENDING));
       }
     }
-
     setSortMenuVisible(false);
   };
 
@@ -72,13 +81,13 @@ const Home = () => {
             icon={favoritesOnly ? 'heart' : 'heart-outline'}
             iconColor={theme.colors.primary}
             size={verticalScale(16)}
-            onPress={() => setFavoritesOnly(!favoritesOnly)}
+            onPress={() => dispatch(toggleFavoritesOnly())}
           />
           <IconButton
-            icon={getViewIcon(viewType)}
+            icon={getViewIcon(view)}
             iconColor={theme.colors.primary}
             size={verticalScale(16)}
-            onPress={() => setViewType(getNextView(viewType))}
+            onPress={() => dispatch(cycleView())}
           />
         </View>
       </View>

src/screens/settings.tsx

@@ -7,7 +7,7 @@ import { useDispatch, useSelector } from 'react-redux';
 import { PaddedView } from '../components';
 import styles from '../styles';
 import { Meme } from '../database';
-import { RootState, updateNoMedia, updateStorageUri } from '../redux';
+import { RootState, updateNoMedia, updateStorageUri } from '../state';
 import type {} from 'redux-thunk/extend-redux';
 
 const SettingsScreen = () => {

src/state/home.ts

@@ -0,0 +1,79 @@
+import { createSlice, PayloadAction } from '@reduxjs/toolkit';
+import { SORT, SORT_DIRECTION, VIEW } from '../types';
+
+interface HomeState {
+  sort: SORT;
+  sortDirection: SORT_DIRECTION;
+  view: VIEW;
+  favoritesOnly: boolean;
+}
+
+const initialState: HomeState = {
+  sort: SORT.TITLE,
+  sortDirection: SORT_DIRECTION.ASCENDING,
+  view: VIEW.MASONRY,
+  favoritesOnly: false,
+};
+
+const homeSlice = createSlice({
+  name: 'home',
+  initialState,
+  reducers: {
+    setSort: (state, action: PayloadAction<SORT>) => {
+      state.sort = action.payload;
+    },
+    setSortDirection: (state, action: PayloadAction<SORT_DIRECTION>) => {
+      state.sortDirection = action.payload;
+    },
+    toggleSortDirection: state => {
+      state.sortDirection ^= 1;
+    },
+    setView: (state, action: PayloadAction<VIEW>) => {
+      state.view = action.payload;
+    },
+    cycleView: state => {
+      switch (state.view) {
+        case VIEW.MASONRY: {
+          state.view = VIEW.LIST;
+          break;
+        }
+        case VIEW.LIST: {
+          state.view = VIEW.GRID;
+          break;
+        }
+        case VIEW.GRID: {
+          state.view = VIEW.MASONRY;
+          break;
+        }
+      }
+    },
+    setFavoritesOnly: (state, action: PayloadAction<boolean>) => {
+      state.favoritesOnly = action.payload;
+    },
+    toggleFavoritesOnly: state => {
+      state.favoritesOnly = !state.favoritesOnly;
+    },
+  },
+});
+
+const {
+  setSort,
+  setSortDirection,
+  toggleSortDirection,
+  setView,
+  cycleView,
+  setFavoritesOnly,
+  toggleFavoritesOnly,
+} = homeSlice.actions;
+
+export {
+  type HomeState,
+  setSort,
+  setSortDirection,
+  toggleSortDirection,
+  setView,
+  cycleView,
+  setFavoritesOnly,
+  toggleFavoritesOnly,
+};
+export default homeSlice.reducer;

src/state/index.ts

@@ -11,13 +11,16 @@ import {
 } from 'redux-persist';
 import { createRealmPersistStorage } from '@bankify/redux-persist-realm';
 import settingsReducer from './settings';
+import homeReducer from './home';
 
 const rootReducer = combineReducers({
   settings: settingsReducer,
+  home: homeReducer,
 });
 
 interface RootState {
   settings: ReturnType<typeof settingsReducer>;
+  home: ReturnType<typeof homeReducer>;
 }
 
 const persistConfig = {
@@ -46,3 +49,13 @@ export {
   updateNoMedia,
   validateSettings,
 } from './settings';
+export {
+  type HomeState,
+  setSort,
+  setSortDirection,
+  toggleSortDirection,
+  setView,
+  cycleView,
+  setFavoritesOnly,
+  toggleFavoritesOnly,
+} from './home';

src/types/sort.ts

@@ -8,8 +8,8 @@ enum SORT {
 }
 
 enum SORT_DIRECTION {
-  ASCENDING = 'Ascending',
+  ASCENDING = 0,
-  DESCENDING = 'Descending',
+  DESCENDING = 1,
 }
 
 export { SORT, SORT_DIRECTION };

src/utilities/icon.ts

@@ -1,4 +1,4 @@
-import { SORT, SORT_DIRECTION } from '../types';
+import { SORT, SORT_DIRECTION, VIEW } from '../types';
 
 const getSortIcon = (sort: SORT, sortDirection: SORT_DIRECTION) => {
   let sortIcon = '';
@@ -35,4 +35,18 @@ const getSortIcon = (sort: SORT, sortDirection: SORT_DIRECTION) => {
   return sortIcon;
 };
 
-export { getSortIcon };
+const getViewIcon = (view: VIEW) => {
+  switch (view) {
+    case VIEW.MASONRY: {
+      return 'view-dashboard';
+    }
+    case VIEW.GRID: {
+      return 'view-grid';
+    }
+    case VIEW.LIST: {
+      return 'view-list';
+    }
+  }
+};
+
+export { getSortIcon, getViewIcon };

src/utilities/index.ts

@@ -1,3 +1,3 @@
+export { packageName, appName, escapedAppName, noOp } from './constants';
 export { isPermissionForPath, clearPermissions } from './permissions';
-export { getSortIcon } from './sort';
+export { getSortIcon, getViewIcon } from './icon';
-export { getViewIcon, getNextView } from './view';

src/utilities/view.ts

@@ -1,31 +0,0 @@
-import { VIEW } from '../types';
-
-const getViewIcon = (view: VIEW) => {
-  switch (view) {
-    case VIEW.MASONRY: {
-      return 'view-dashboard';
-    }
-    case VIEW.GRID: {
-      return 'view-grid';
-    }
-    case VIEW.LIST: {
-      return 'view-list';
-    }
-  }
-};
-
-const getNextView = (view: VIEW) => {
-  switch (view) {
-    case VIEW.MASONRY: {
-      return VIEW.GRID;
-    }
-    case VIEW.GRID: {
-      return VIEW.LIST;
-    }
-    case VIEW.LIST: {
-      return VIEW.MASONRY;
-    }
-  }
-};
-
-export { getViewIcon, getNextView };