Migrated selectServer action to RTK and moved loadMercureInfo to an action listener

src/container/store.ts

@@ -20,5 +20,5 @@ export const setUpStore = (container: IContainer) => configureStore({
   preloadedState,
   middleware: (defaultMiddlewaresIncludingReduxThunk) => defaultMiddlewaresIncludingReduxThunk(
     { immutableCheck: false, serializableCheck: false }, // State is too big for these
-  ).concat(save(localStorageConfig)),
+  ).prepend(container.selectServerListener.middleware).concat(save(localStorageConfig)),
 });

src/reducers/index.ts

@@ -1,5 +1,5 @@
 import { IContainer } from 'bottlejs';
-import { combineReducers } from 'redux';
+import { combineReducers } from '@reduxjs/toolkit';
 import { serversReducer } from '../servers/reducers/servers';
 import selectedServerReducer from '../servers/reducers/selectedServer';
 import shortUrlVisitsReducer from '../visits/reducers/shortUrlVisits';

src/servers/reducers/selectedServer.ts

@@ -1,15 +1,13 @@
-import { PayloadAction } from '@reduxjs/toolkit';
+import { createAction, createListenerMiddleware, PayloadAction } from '@reduxjs/toolkit';
 import { identity, memoizeWith, pipe } from 'ramda';
-import { Action, Dispatch } from 'redux';
 import { versionToPrintable, versionToSemVer as toSemVer } from '../../utils/helpers/version';
-import { SelectedServer } from '../data';
-import { GetState } from '../../container/types';
+import { isReachableServer, SelectedServer } from '../data';
 import { ShlinkHealth } from '../../api/types';
-import { buildActionCreator, buildReducer } from '../../utils/helpers/redux';
+import { buildReducer, createAsyncThunk } from '../../utils/helpers/redux';
 import { ShlinkApiClientBuilder } from '../../api/services/ShlinkApiClientBuilder';
 
-export const SELECT_SERVER = 'shlink/selectedServer/SELECT_SERVER';
-export const RESET_SELECTED_SERVER = 'shlink/selectedServer/RESET_SELECTED_SERVER';
+export const SELECT_SERVER = 'shlink/selectedServer/selectServer';
+export const RESET_SELECTED_SERVER = 'shlink/selectedServer/resetSelectedServer';
 
 export const MIN_FALLBACK_VERSION = '1.0.0';
 export const MAX_FALLBACK_VERSION = '999.999.999';
@@ -35,50 +33,49 @@ const initialState: SelectedServer = null;
 export default buildReducer<SelectedServer, SelectServerAction>({
   [RESET_SELECTED_SERVER]: () => initialState,
   [SELECT_SERVER]: (_, { payload }) => payload,
+  [`${SELECT_SERVER}/fulfilled`]: (_, { payload }) => payload,
 }, initialState);
 
-export const resetSelectedServer = buildActionCreator(RESET_SELECTED_SERVER);
+export const resetSelectedServer = createAction<void>(RESET_SELECTED_SERVER);
 
 export const selectServer = (
   buildShlinkApiClient: ShlinkApiClientBuilder,
-  loadMercureInfo: () => Action,
-) => (
-  serverId: string,
-) => async (
-  dispatch: Dispatch,
-  getState: GetState,
-) => {
+) => createAsyncThunk(SELECT_SERVER, async (serverId: string, { dispatch, getState }): Promise<SelectedServer> => {
   dispatch(resetSelectedServer());
 
   const { servers } = getState();
   const selectedServer = servers[serverId];
 
   if (!selectedServer) {
-    dispatch<SelectServerAction>({
-      type: SELECT_SERVER,
-      payload: { serverNotFound: true },
-    });
-
-    return;
+    return { serverNotFound: true };
   }
 
   try {
     const { health } = buildShlinkApiClient(selectedServer);
     const { version, printableVersion } = await getServerVersion(serverId, health);
 
-    dispatch<SelectServerAction>({
-      type: SELECT_SERVER,
-      payload: {
-        ...selectedServer,
-        version,
-        printableVersion,
-      },
-    });
-    dispatch(loadMercureInfo());
+    return {
+      ...selectedServer,
+      version,
+      printableVersion,
+    };
   } catch (e) {
-    dispatch<SelectServerAction>({
-      type: SELECT_SERVER,
-      payload: { ...selectedServer, serverNotReachable: true },
-    });
+    return { ...selectedServer, serverNotReachable: true };
   }
+});
+
+export const selectServerListener = (
+  selectServerThunk: ReturnType<typeof selectServer>,
+  loadMercureInfo: () => PayloadAction<any>, // TODO Consider setting actual type, if relevant
+) => {
+  const listener = createListenerMiddleware();
+
+  listener.startListening({
+    actionCreator: selectServerThunk.fulfilled,
+    effect: ({ payload }, { dispatch }) => {
+      isReachableServer(payload) && dispatch(loadMercureInfo());
+    },
+  });
+
+  return listener;
 };

src/servers/services/provideServices.ts

@@ -5,7 +5,7 @@ import { DeleteServerModal } from '../DeleteServerModal';
 import { DeleteServerButton } from '../DeleteServerButton';
 import { EditServer } from '../EditServer';
 import { ImportServersBtn } from '../helpers/ImportServersBtn';
-import { resetSelectedServer, selectServer } from '../reducers/selectedServer';
+import { resetSelectedServer, selectServer, selectServerListener } from '../reducers/selectedServer';
 import { createServers, deleteServer, editServer, setAutoConnect } from '../reducers/servers';
 import { fetchServers } from '../reducers/remoteServers';
 import { ServerError } from '../helpers/ServerError';
@@ -77,6 +77,9 @@ const provideServices = (bottle: Bottle, connect: ConnectDecorator) => {
   bottle.serviceFactory('fetchServers', fetchServers, 'axios');
 
   bottle.serviceFactory('resetSelectedServer', () => resetSelectedServer);
+
+  // Reducers
+  bottle.serviceFactory('selectServerListener', selectServerListener, 'selectServer', 'loadMercureInfo');
 };
 
 export default provideServices;

src/visits/reducers/visitCreation.ts

@@ -1,13 +1,11 @@
 import { createAction, PayloadAction } from '@reduxjs/toolkit';
 import { CreateVisit } from '../types';
 
-const CREATE_VISITS = 'shlink/visitCreation/CREATE_VISITS';
-
 export type CreateVisitsAction = PayloadAction<{
   createdVisits: CreateVisit[];
 }>;
 
 export const createNewVisits = createAction(
-  CREATE_VISITS,
+  'shlink/visitCreation/createNewVisits',
   (createdVisits: CreateVisit[]) => ({ payload: { createdVisits } }),
 );

test/servers/reducers/selectedServer.test.ts

@@ -1,31 +1,36 @@
 import { v4 as uuid } from 'uuid';
 import { Mock } from 'ts-mockery';
 import reducer, {
-  selectServer,
+  selectServer as selectServerCreator,
   resetSelectedServer,
-  RESET_SELECTED_SERVER,
-  SELECT_SERVER,
   MAX_FALLBACK_VERSION,
   MIN_FALLBACK_VERSION,
 } from '../../../src/servers/reducers/selectedServer';
 import { ShlinkState } from '../../../src/container/types';
 import { NonReachableServer, NotFoundServer, RegularServer } from '../../../src/servers/data';
+import { ShlinkApiClient } from '../../../src/api/services/ShlinkApiClient';
 
 describe('selectedServerReducer', () => {
+  const health = jest.fn();
+  const buildApiClient = jest.fn().mockReturnValue(Mock.of<ShlinkApiClient>({ health }));
+  const selectServer = selectServerCreator(buildApiClient);
+
+  afterEach(jest.clearAllMocks);
+
   describe('reducer', () => {
     it('returns default when action is RESET_SELECTED_SERVER', () =>
-      expect(reducer(null, { type: RESET_SELECTED_SERVER, payload: null })).toBeNull());
+      expect(reducer(null, { type: resetSelectedServer.toString(), payload: null })).toBeNull());
 
     it('returns selected server when action is SELECT_SERVER', () => {
       const payload = Mock.of<RegularServer>({ id: 'abc123' });
 
-      expect(reducer(null, { type: SELECT_SERVER, payload })).toEqual(payload);
+      expect(reducer(null, { type: selectServer.fulfilled.toString(), payload })).toEqual(payload);
     });
   });
 
   describe('resetSelectedServer', () => {
     it('returns proper action', () => {
-      expect(resetSelectedServer()).toEqual({ type: RESET_SELECTED_SERVER });
+      expect(resetSelectedServer()).toEqual({ type: resetSelectedServer.toString() });
     });
   });
 
@@ -35,14 +40,7 @@ describe('selectedServerReducer', () => {
     };
     const version = '1.19.0';
     const createGetStateMock = (id: string) => jest.fn().mockReturnValue({ servers: { [id]: selectedServer } });
-    const apiClientMock = {
-      health: jest.fn(),
-    };
-    const buildApiClient = jest.fn().mockReturnValue(apiClientMock);
     const dispatch = jest.fn();
-    const loadMercureInfo = jest.fn();
-
-    afterEach(jest.clearAllMocks);
 
     it.each([
       [version, version, `v${version}`],
@@ -57,21 +55,24 @@ describe('selectedServerReducer', () => {
         printableVersion: expectedPrintableVersion,
       };
 
-      apiClientMock.health.mockResolvedValue({ version: serverVersion });
+      health.mockResolvedValue({ version: serverVersion });
 
-      await selectServer(buildApiClient, loadMercureInfo)(id)(dispatch, getState);
+      await selectServer(id)(dispatch, getState, {});
 
       expect(dispatch).toHaveBeenCalledTimes(3);
-      expect(dispatch).toHaveBeenNthCalledWith(1, { type: RESET_SELECTED_SERVER });
-      expect(dispatch).toHaveBeenNthCalledWith(2, { type: SELECT_SERVER, payload: expectedSelectedServer });
-      expect(loadMercureInfo).toHaveBeenCalledTimes(1);
+      expect(dispatch).toHaveBeenNthCalledWith(1, expect.objectContaining({ type: selectServer.pending.toString() }));
+      expect(dispatch).toHaveBeenNthCalledWith(2, expect.objectContaining({ type: resetSelectedServer.toString() }));
+      expect(dispatch).toHaveBeenNthCalledWith(3, expect.objectContaining({
+        type: selectServer.fulfilled.toString(),
+        payload: expectedSelectedServer,
+      }));
     });
 
     it('invokes dependencies', async () => {
       const id = uuid();
       const getState = createGetStateMock(id);
 
-      await selectServer(buildApiClient, loadMercureInfo)(id)(jest.fn(), getState);
+      await selectServer(id)(jest.fn(), getState, {});
 
       expect(getState).toHaveBeenCalledTimes(1);
       expect(buildApiClient).toHaveBeenCalledTimes(1);
@@ -82,13 +83,15 @@ describe('selectedServerReducer', () => {
       const getState = createGetStateMock(id);
       const expectedSelectedServer = Mock.of<NonReachableServer>({ ...selectedServer, serverNotReachable: true });
 
-      apiClientMock.health.mockRejectedValue({});
+      health.mockRejectedValue({});
 
-      await selectServer(buildApiClient, loadMercureInfo)(id)(dispatch, getState);
+      await selectServer(id)(dispatch, getState, {});
 
-      expect(apiClientMock.health).toHaveBeenCalled();
-      expect(dispatch).toHaveBeenNthCalledWith(2, { type: SELECT_SERVER, payload: expectedSelectedServer });
-      expect(loadMercureInfo).not.toHaveBeenCalled();
+      expect(health).toHaveBeenCalled();
+      expect(dispatch).toHaveBeenNthCalledWith(3, expect.objectContaining({
+        type: selectServer.fulfilled.toString(),
+        payload: expectedSelectedServer,
+      }));
     });
 
     it('dispatches error when server is not found', async () => {
@@ -96,12 +99,14 @@ describe('selectedServerReducer', () => {
       const getState = jest.fn(() => Mock.of<ShlinkState>({ servers: {} }));
       const expectedSelectedServer: NotFoundServer = { serverNotFound: true };
 
-      await selectServer(buildApiClient, loadMercureInfo)(id)(dispatch, getState);
+      await selectServer(id)(dispatch, getState, {});
 
       expect(getState).toHaveBeenCalled();
-      expect(apiClientMock.health).not.toHaveBeenCalled();
-      expect(dispatch).toHaveBeenNthCalledWith(2, { type: SELECT_SERVER, payload: expectedSelectedServer });
-      expect(loadMercureInfo).not.toHaveBeenCalled();
+      expect(health).not.toHaveBeenCalled();
+      expect(dispatch).toHaveBeenNthCalledWith(3, expect.objectContaining({
+        type: selectServer.fulfilled.toString(),
+        payload: expectedSelectedServer,
+      }));
     });
   });
 });