feat: store state in localStorage

ui/package-lock.json

@@ -10436,6 +10436,11 @@
         "lodash._reinterpolate": "^3.0.0"
       }
     },
+    "lodash.throttle": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/lodash.throttle/-/lodash.throttle-4.1.1.tgz",
+      "integrity": "sha1-wj6RtxAkKscMN/HhzaknTMOb8vQ="
+    },
     "lodash.uniq": {
       "version": "4.5.0",
       "resolved": "https://registry.npmjs.org/lodash.uniq/-/lodash.uniq-4.5.0.tgz",

ui/package.json

@@ -8,6 +8,7 @@
     "@testing-library/user-event": "^10.0.0",
     "deepmerge": "^4.2.2",
     "jwt-decode": "^2.2.0",
+    "lodash.throttle": "^4.1.1",
     "md5-hex": "^3.0.1",
     "prop-types": "^15.7.2",
     "ra-data-json-server": "^3.3.1",

ui/src/App.js

@@ -1,4 +1,6 @@
 import React from 'react'
+import { Provider } from 'react-redux'
+import { createHashHistory } from 'history'
 import { Admin, resolveBrowserLocale, Resource } from 'react-admin'
 import dataProvider from './dataProvider'
 import authProvider from './authProvider'
@@ -15,12 +17,15 @@ import { Player, playQueueReducer } from './audioplayer'
 import { albumViewReducer } from './album/albumState'
 import customRoutes from './routes'
 import themeReducer from './configuration/themeReducer'
+import createAdminStore from './store/createAdminStore'
 
 const i18nProvider = polyglotI18nProvider(
   (locale) => (messages[locale] ? messages[locale] : messages.en),
   resolveBrowserLocale()
 )
 
+const history = createHashHistory()
+
 const App = () => {
   try {
     const appConfig = JSON.parse(window.__APP_CONFIG__)
@@ -32,44 +37,57 @@ const App = () => {
   } catch (e) {}
 
   return (
-    <Admin
-      customReducers={{
-        queue: playQueueReducer,
-        albumView: albumViewReducer,
-        theme: themeReducer
-      }}
-      dataProvider={dataProvider}
-      authProvider={authProvider}
-      i18nProvider={i18nProvider}
-      customRoutes={customRoutes}
-      layout={Layout}
-      loginPage={Login}
+    <Provider
+      store={createAdminStore({
+        authProvider,
+        dataProvider,
+        history,
+        customReducers: {
+          queue: playQueueReducer,
+          albumView: albumViewReducer,
+          theme: themeReducer
+        }
+      })}
     >
-      {(permissions) => [
-        <Resource name="artist" {...artist} options={{ subMenu: 'library' }} />,
-        <Resource name="album" {...album} options={{ subMenu: 'library' }} />,
-        <Resource name="song" {...song} options={{ subMenu: 'library' }} />,
-        <Resource name="albumSong" />,
-        permissions === 'admin' ? (
-          <Resource name="user" {...user} options={{ subMenu: 'settings' }} />
-        ) : null,
-        <Resource
-          name="player"
-          {...player}
-          options={{ subMenu: 'settings' }}
-        />,
-        permissions === 'admin' ? (
+      <Admin
+        dataProvider={dataProvider}
+        authProvider={authProvider}
+        i18nProvider={i18nProvider}
+        customRoutes={customRoutes}
+        history={history}
+        layout={Layout}
+        loginPage={Login}
+      >
+        {(permissions) => [
           <Resource
-            name="transcoding"
-            {...transcoding}
+            name="artist"
+            {...artist}
+            options={{ subMenu: 'library' }}
+          />,
+          <Resource name="album" {...album} options={{ subMenu: 'library' }} />,
+          <Resource name="song" {...song} options={{ subMenu: 'library' }} />,
+          <Resource name="albumSong" />,
+          permissions === 'admin' ? (
+            <Resource name="user" {...user} options={{ subMenu: 'settings' }} />
+          ) : null,
+          <Resource
+            name="player"
+            {...player}
             options={{ subMenu: 'settings' }}
-          />
-        ) : (
-          <Resource name="transcoding" />
-        ),
-        <Player />
-      ]}
-    </Admin>
+          />,
+          permissions === 'admin' ? (
+            <Resource
+              name="transcoding"
+              {...transcoding}
+              options={{ subMenu: 'settings' }}
+            />
+          ) : (
+            <Resource name="transcoding" />
+          ),
+          <Player />
+        ]}
+      </Admin>
+    </Provider>
   )
 }
 

ui/src/album/albumState.js

@@ -22,8 +22,8 @@ const selectAlbumList = (mode) => ({ type: mode })
 
 const albumViewReducer = (
   previousState = {
-    mode: localStorage.getItem('albumViewMode') || ALBUM_MODE_LIST,
-    list: localStorage.getItem('albumListType') || ALBUM_LIST_ALL,
+    mode: ALBUM_MODE_LIST,
+    list: ALBUM_LIST_ALL,
     params: { sort: {}, filter: {} }
   },
   payload
@@ -32,14 +32,12 @@ const albumViewReducer = (
   switch (type) {
     case ALBUM_MODE_GRID:
     case ALBUM_MODE_LIST:
-      localStorage.setItem('albumViewMode', type)
       return { ...previousState, mode: type }
     case ALBUM_LIST_ALL:
     case ALBUM_LIST_RANDOM:
     case ALBUM_LIST_NEWEST:
     case ALBUM_LIST_RECENT:
     case ALBUM_LIST_STARRED:
-      localStorage.setItem('albumListType', type)
       return { ...previousState, list: type, params: albumListParams[type] }
     default:
       return previousState

ui/src/store/createAdminStore.js

@@ -0,0 +1,59 @@
+import { applyMiddleware, combineReducers, compose, createStore } from 'redux'
+import { routerMiddleware, connectRouter } from 'connected-react-router'
+import createSagaMiddleware from 'redux-saga'
+import { all, fork } from 'redux-saga/effects'
+import { adminReducer, adminSaga, USER_LOGOUT } from 'react-admin'
+import throttle from 'lodash.throttle'
+import { loadState, saveState } from './persistState'
+
+export default ({
+  authProvider,
+  dataProvider,
+  history,
+  customReducers = {}
+}) => {
+  const reducer = combineReducers({
+    admin: adminReducer,
+    router: connectRouter(history),
+    ...customReducers
+  })
+  const resettableAppReducer = (state, action) =>
+    reducer(action.type !== USER_LOGOUT ? state : undefined, action)
+
+  const saga = function* rootSaga() {
+    yield all([adminSaga(dataProvider, authProvider)].map(fork))
+  }
+  const sagaMiddleware = createSagaMiddleware()
+
+  const composeEnhancers =
+    (process.env.NODE_ENV === 'development' &&
+      typeof window !== 'undefined' &&
+      window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__ &&
+      window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__({
+        trace: true,
+        traceLimit: 25
+      })) ||
+    compose
+
+  const persistedState = loadState()
+  const store = createStore(
+    resettableAppReducer,
+    persistedState,
+    composeEnhancers(applyMiddleware(sagaMiddleware, routerMiddleware(history)))
+  )
+
+  store.subscribe(
+    throttle(() => {
+      const state = store.getState()
+      saveState({
+        theme: state.theme,
+        // queue: state.queue, TODO: Need to make queue serializable (remove functions from it)
+        albumView: state.albumView
+      })
+    }),
+    1000
+  )
+
+  sagaMiddleware.run(saga)
+  return store
+}

ui/src/store/persistState.js

@@ -0,0 +1,20 @@
+export const loadState = () => {
+  try {
+    const serializedState = localStorage.getItem('state')
+    if (serializedState === null) {
+      return undefined
+    }
+    return JSON.parse(serializedState)
+  } catch (err) {
+    return undefined
+  }
+}
+
+export const saveState = (state) => {
+  try {
+    const serializedState = JSON.stringify(state)
+    localStorage.setItem('state', serializedState)
+  } catch (err) {
+    // Ignore write errors
+  }
+}