Rename login saga to session saga and create initialising sequence with splashscreen

__tests__/actions/__snapshots__/login.spec.js.snap → __tests__/actions/__snapshots__/session.spec.js.snap

 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`login actions should create an action for a successful login 1`] = `
+exports[`session actions should create an action for a successful login 1`] = `
 Object {
   "payload": Object {
     "token": "token",
     "username": "username",
   },
-  "type": "LOGIN_SUCCESS",
+  "type": "SESSION_SUCCESS",
 }
 `;
 
-exports[`login actions should create an action for a successful user profile load 1`] = `
+exports[`session actions should create an action for a successful user profile load 1`] = `
 Object {
   "payload": Object {
     "displayName": "displayName",
     "photo": "photo",
   },
-  "type": "LOGIN_PROFILE_SUCCESS",
+  "type": "SESSION_PROFILE_SUCCESS",
 }
 `;
 
-exports[`login actions should create an action to load the user profile 1`] = `
+exports[`session actions should create an action to init the session 1`] = `
+Object {
+  "type": "SESSION_INIT",
+}
+`;
+
+exports[`session actions should create an action to load the user profile 1`] = `
 Object {
   "payload": Object {
     "token": "token",
   },
-  "type": "LOGIN_PROFILE",
+  "type": "SESSION_PROFILE",
 }
 `;
 
-exports[`login actions should create an action to log the user in 1`] = `
+exports[`session actions should create an action to log the user in 1`] = `
 Object {
   "payload": Object {
     "pass": "password",
     "user": "username",
   },
-  "type": "LOGIN_LOGIN",
+  "type": "SESSION_LOGIN",
+}
+`;
+
+exports[`session actions should create an action to log the user out 1`] = `
+Object {
+  "type": "SESSION_LOGOUT",
 }
 `;
 
-exports[`login actions should create an action to log the user out 1`] = `
+exports[`session actions should create an action to notify invalid token 1`] = `
 Object {
-  "type": "LOGIN_LOGOUT",
+  "type": "SESSION_TOKEN_INVALID",
 }
 `;

__tests__/actions/login.spec.js → __tests__/actions/session.spec.js

-import * as actions from '../../app/actions/login';
-
-describe('login actions', () => {
-  it('should expose the login actions', () => {
-    expect(actions.SUCCESS).toEqual('LOGIN_SUCCESS');
-    expect(actions.LOGIN).toEqual('LOGIN_LOGIN');
-    expect(actions.LOGOUT).toEqual('LOGIN_LOGOUT');
-    expect(actions.PROFILE).toEqual('LOGIN_PROFILE');
-    expect(actions.PROFILE_SUCCESS).toEqual('LOGIN_PROFILE_SUCCESS');
+import * as actions from '../../app/actions/session';
+
+describe('session actions', () => {
+  it('should expose the session actions', () => {
+    expect(actions.INIT).toEqual('SESSION_INIT');
+    expect(actions.SUCCESS).toEqual('SESSION_SUCCESS');
+    expect(actions.LOGIN).toEqual('SESSION_LOGIN');
+    expect(actions.TOKEN_INVALID).toEqual('SESSION_TOKEN_INVALID');
+    expect(actions.LOGOUT).toEqual('SESSION_LOGOUT');
+    expect(actions.PROFILE).toEqual('SESSION_PROFILE');
+    expect(actions.PROFILE_SUCCESS).toEqual('SESSION_PROFILE_SUCCESS');
+  });
+
+  it('should create an action to init the session', () => {
+    expect(actions.init()).toMatchSnapshot();
+  });
+
+  it('should create an action to notify invalid token', () => {
+    expect(actions.tokenInvalid()).toMatchSnapshot();
   });
 
   it('should create an action to log the user in', () => {

__tests__/sagas/deepLinking.spec.js

@@ -6,7 +6,7 @@ import * as deepLinkingActions from '../../app/actions/deepLinking';
 import { url as siteURL, apiRequest, loggedInSelector } from '../../app/utils/url';
 import * as navigationActions from '../../app/actions/navigation';
 import * as eventActions from '../../app/actions/event';
-import * as loginActions from '../../app/actions/login';
+import * as loginActions from '../../app/actions/session';
 import * as pizzaActions from '../../app/actions/pizza';
 import { EVENT_LIST_SCENE } from '../../app/ui/components/navigator/scenes';
 

__tests__/sagas/login.spec.js → __tests__/sagas/session.spec.js

@@ -5,9 +5,11 @@ import Snackbar from 'react-native-snackbar';
 import { AsyncStorage } from 'react-native';
 import { Sentry } from 'react-native-sentry';
 
-import loginSaga, { DISPLAYNAMEKEY, PHOTOKEY, TOKENKEY, USERNAMEKEY } from '../../app/sagas/login';
+import sessionSaga, {
+  DISPLAYNAMEKEY, PHOTOKEY, TOKENKEY, USERNAMEKEY
+} from '../../app/sagas/session';
 import { apiRequest } from '../../app/utils/url';
-import * as loginActions from '../../app/actions/login';
+import * as sessionActions from '../../app/actions/session';
 import * as pushNotificationsActions from '../../app/actions/pushNotifications';
 
 jest.mock('react-native-snackbar', () => ({
@@ -35,48 +37,49 @@ jest.mock('react-native-sentry', () => ({
   },
 }));
 
-describe('login saga', () => {
+describe('session saga', () => {
   const error = new Error('error');
 
   describe('logging in', () => {
-    it('should show a snackbar on start', () => expectSaga(loginSaga)
-      .dispatch(loginActions.login('username', 'password'))
+    it('should show a snackbar on start', () => expectSaga(sessionSaga)
+      .dispatch(sessionActions.login('username', 'password'))
       .silentRun()
       .then(() => {
         expect(Snackbar.show).toBeCalledWith(
-          { title: 'Logging in', duration: Snackbar.LENGTH_INDEFINITE });
+          { title: 'Logging in', duration: Snackbar.LENGTH_INDEFINITE },
+        );
       }));
 
-    it('should put the result data when the request succeeds', () => expectSaga(loginSaga)
+    it('should put the result data when the request succeeds', () => expectSaga(sessionSaga)
       .provide([
         [matchers.call.like({ fn: apiRequest, args: ['token-auth'] }), { token: 'abc123' }],
         [matchers.call.like({ fn: Sentry.setUserContext }), {}],
       ])
-      .put(loginActions.success('username', 'abc123'))
-      .put(loginActions.profile('abc123'))
-      .dispatch(loginActions.login('username', 'password'))
+      .put(sessionActions.success('username', 'abc123'))
+      .put(sessionActions.profile('abc123'))
+      .dispatch(sessionActions.login('username', 'password'))
       .silentRun());
 
-    it('should show a snackbar when the request succeeds', () => expectSaga(loginSaga)
+    it('should show a snackbar when the request succeeds', () => expectSaga(sessionSaga)
       .provide([
         [matchers.call.like({ fn: apiRequest, args: ['token-auth'] }), { token: 'abc123' }],
         [matchers.call.like({ fn: Sentry.setUserContext }), {}],
       ])
-      .dispatch(loginActions.login('username', 'password'))
+      .dispatch(sessionActions.login('username', 'password'))
       .silentRun()
       .then(() => {
         expect(Snackbar.dismiss).toBeCalled();
         expect(Snackbar.show).toBeCalledWith(
-          { title: 'Login successful' });
+          { title: 'Login successful' },
+        );
       }));
 
-    it('should save the token in the AsyncStorage when the request succeeds', () =>
-      expectSaga(loginSaga)
+    it('should save the token in the AsyncStorage when the request succeeds', () => expectSaga(sessionSaga)
       .provide([
         [matchers.call.like({ fn: apiRequest, args: ['token-auth'] }), { token: 'abc123' }],
         [matchers.call.like({ fn: Sentry.setUserContext }), {}],
       ])
-      .dispatch(loginActions.login('username', 'password'))
+      .dispatch(sessionActions.login('username', 'password'))
       .silentRun()
       .then(() => {
         expect(AsyncStorage.multiSet).toBeCalledWith([
@@ -85,20 +88,21 @@ describe('login saga', () => {
         ]);
       }));
 
-    it('should show a snackbar when the request fails', () => expectSaga(loginSaga)
+    it('should show a snackbar when the request fails', () => expectSaga(sessionSaga)
       .provide([
         [matchers.call.fn(apiRequest), throwError(error)],
       ])
-      .dispatch(loginActions.login('username', 'password'))
+      .dispatch(sessionActions.login('username', 'password'))
       .silentRun()
       .then(() => {
         expect(Snackbar.dismiss).toBeCalled();
         expect(Snackbar.show).toBeCalledWith(
-          { title: 'Login failed' });
+          { title: 'Login failed' },
+        );
       }));
 
-    it('should do a POST request', () => expectSaga(loginSaga)
-      .dispatch(loginActions.login('username', 'password'))
+    it('should do a POST request', () => expectSaga(sessionSaga)
+      .dispatch(sessionActions.login('username', 'password'))
       .silentRun()
       .then(() => {
         expect(apiRequest).toBeCalledWith('token-auth', {
@@ -113,29 +117,30 @@ describe('login saga', () => {
   });
 
   describe('logging out', () => {
-    it('should remove the token from the AsyncStorage', () => expectSaga(loginSaga)
-      .dispatch(loginActions.logout())
+    it('should remove the token from the AsyncStorage', () => expectSaga(sessionSaga)
+      .dispatch(sessionActions.logout())
       .silentRun()
       .then(() => {
         expect(AsyncStorage.multiRemove).toBeCalledWith([USERNAMEKEY, TOKENKEY]);
       }));
 
-    it('should put a push notification invalidation action', () => expectSaga(loginSaga)
+    it('should put a push notification invalidation action', () => expectSaga(sessionSaga)
       .put(pushNotificationsActions.invalidate())
-      .dispatch(loginActions.logout())
+      .dispatch(sessionActions.logout())
       .silentRun());
 
-    it('should remove the token from the AsyncStorage', () => expectSaga(loginSaga)
-      .dispatch(loginActions.logout())
+    it('should remove the token from the AsyncStorage', () => expectSaga(sessionSaga)
+      .dispatch(sessionActions.logout())
       .silentRun()
       .then(() => {
         expect(Snackbar.show).toBeCalledWith(
-          { title: 'Logout successful' });
+          { title: 'Logout successful' },
+        );
       }));
   });
 
   describe('getting profile', () => {
-    it('should put the result data when the request succeeds', () => expectSaga(loginSaga)
+    it('should put the result data when the request succeeds', () => expectSaga(sessionSaga)
       .provide([
         [matchers.call.like({ fn: apiRequest, args: ['members/me'] }), {
           display_name: 'Johnny Test',
@@ -144,11 +149,11 @@ describe('login saga', () => {
           },
         }],
       ])
-      .put(loginActions.profileSuccess('Johnny Test', 'http://example.org/photo.png'))
-      .dispatch(loginActions.profile('abc123'))
+      .put(sessionActions.profileSuccess('Johnny Test', 'http://example.org/photo.png'))
+      .dispatch(sessionActions.profile('abc123'))
       .silentRun());
 
-    it('should save the token in the AsyncStorage when the request succeeds', () => expectSaga(loginSaga)
+    it('should save the token in the AsyncStorage when the request succeeds', () => expectSaga(sessionSaga)
       .provide([
         [matchers.call.like({ fn: apiRequest, args: ['members/me'] }), {
           display_name: 'Johnny Test',
@@ -157,7 +162,7 @@ describe('login saga', () => {
           },
         }],
       ])
-      .dispatch(loginActions.profile('abc123'))
+      .dispatch(sessionActions.profile('abc123'))
       .silentRun()
       .then(() => {
         expect(AsyncStorage.multiSet).toBeCalledWith([
@@ -166,15 +171,15 @@ describe('login saga', () => {
         ]);
       }));
 
-    it('should not care about errors', () => expectSaga(loginSaga)
+    it('should not care about errors', () => expectSaga(sessionSaga)
       .provide([
         [matchers.call.fn(apiRequest), throwError(error)],
       ])
-      .dispatch(loginActions.profile('token'))
+      .dispatch(sessionActions.profile('token'))
       .silentRun());
 
-    it('should do a GET request', () => expectSaga(loginSaga)
-      .dispatch(loginActions.profile('abc123'))
+    it('should do a GET request', () => expectSaga(sessionSaga)
+      .dispatch(sessionActions.profile('abc123'))
       .silentRun()
       .then(() => {
         expect(apiRequest).toBeCalledWith('members/me', {

__tests__/ui/components/navigator/ReduxNavigator.spec.js

@@ -4,12 +4,13 @@ import configureStore from 'redux-mock-store';
 import renderer from 'react-test-renderer';
 import ReduxNavigator from '../../../../app/ui/components/navigator/ReduxNavigator';
 import reducer from '../../../../app/reducers';
+import { LOGIN_SCENE } from '../../../../app/ui/components/navigator/scenes';
 
 describe('ReduxNavigator component', () => {
   const mockStore = configureStore(reducer);
   const initialState = {
     navigation: {
-      currentScene: 'home',
+      currentScene: LOGIN_SCENE,
       previousScenes: [],
       drawerOpen: false,
     },
@@ -18,8 +19,12 @@ describe('ReduxNavigator component', () => {
 
   it('renders correctly', () => {
     const tree = renderer
-      .create(<Provider store={store}><ReduxNavigator /></Provider>)
+      .create(
+        <Provider store={store}>
+          <ReduxNavigator />
+        </Provider>,
+      )
       .toJSON();
     expect(tree).toMatchSnapshot();
   });
-});
\ No newline at end of file
+});

app/actions/login.js → app/actions/session.js

-export const LOGIN = 'LOGIN_LOGIN';
-export const SUCCESS = 'LOGIN_SUCCESS';
-export const LOGOUT = 'LOGIN_LOGOUT';
-export const TOKEN_INVALID = 'LOGIN_TOKEN_INVALID';
-export const PROFILE = 'LOGIN_PROFILE';
-export const PROFILE_SUCCESS = 'LOGIN_PROFILE_SUCCESS';
+export const LOGIN = 'SESSION_LOGIN';
+export const INIT = 'SESSION_INIT';
+export const SUCCESS = 'SESSION_SUCCESS';
+export const LOGOUT = 'SESSION_LOGOUT';
+export const TOKEN_INVALID = 'SESSION_TOKEN_INVALID';
+export const PROFILE = 'SESSION_PROFILE';
+export const PROFILE_SUCCESS = 'SESSION_PROFILE_SUCCESS';
 
 export function success(username, token) {
   return { type: SUCCESS, payload: { username, token } };
@@ -13,6 +14,10 @@ export function login(user, pass) {
   return { type: LOGIN, payload: { user, pass } };
 }
 
+export function init() {
+  return { type: INIT };
+}
+
 export function logout() {
   return { type: LOGOUT };
 }

app/app.js

 import React, { Component } from 'react';
-import { AsyncStorage, Linking, Platform } from 'react-native';
+import { Linking, Platform } from 'react-native';
 import { applyMiddleware, createStore } from 'redux';
 import { Provider } from 'react-redux';
 import { I18nextProvider } from 'react-i18next';
@@ -14,7 +14,7 @@ import reducers from './reducers';
 import i18n from './utils/i18n';
 import sagas from './sagas';
 import ReduxNavigator from './ui/components/navigator/ReduxNavigator';
-import * as loginActions from './actions/login';
+import * as sessionActions from './actions/session';
 import * as deepLinkingActions from './actions/deepLinking';
 import { register } from './actions/pushNotifications';
 
@@ -22,18 +22,6 @@ const sagaMiddleware = createSagaMiddleware();
 const store = createStore(reducers, applyMiddleware(sagaMiddleware));
 sagaMiddleware.run(sagas);
 
-const USERNAMEKEY = '@MyStore:username';
-const TOKENKEY = '@MyStore:token';
-const DISPLAYNAMEKEY = '@MyStore:displayName';
-const PHOTOKEY = '@MyStore:photo';
-const PUSHCATEGORYKEY = '@MyStore:pushCategories';
-
-const pairsToObject = (obj, pair) => {
-  const obj2 = { ...obj };
-  obj2[pair[0]] = pair[1];
-  return obj2;
-};
-
 FCM.on(FCMEvent.Notification, async (notif) => {
   if (notif.fcm) {
     FCM.presentLocalNotification({
@@ -63,25 +51,7 @@ class Main extends Component {
   }
 
   componentDidMount() {
-    AsyncStorage.multiGet([USERNAMEKEY, TOKENKEY, DISPLAYNAMEKEY, PHOTOKEY, PUSHCATEGORYKEY])
-      .then(
-        (result) => {
-          const values = result.reduce(pairsToObject, {});
-          const username = values[USERNAMEKEY];
-          const token = values[TOKENKEY];
-          const displayName = values[DISPLAYNAMEKEY];
-          const photo = values[PHOTOKEY];
-          const pushCategories = JSON.parse(values[PUSHCATEGORYKEY]);
-
-          if (username !== null && token !== null) {
-            store.dispatch(loginActions.success(username, token));
-            store.dispatch(loginActions.profileSuccess(displayName, photo));
-            store.dispatch(loginActions.profile(token));
-            store.dispatch(register(pushCategories));
-          }
-        },
-      );
-
+    store.dispatch(sessionActions.init());
     this.addDeepLinkingHandler();
   }
 

app/reducers/navigation.js

 import * as navigationActions from '../actions/navigation';
-import * as loginActions from '../actions/login';
+import * as sessionActions from '../actions/session';
+import { LOGIN_SCENE, SPLASH_SCENE } from '../ui/components/navigator/scenes';
 
 const initialState = {
   previousScenes: [],
-  currentScene: 'welcome',
+  currentScene: SPLASH_SCENE,
   loggedIn: false,
   drawerOpen: false,
 };
@@ -12,7 +13,7 @@ const initialState = {
 export default function navigate(state = initialState, action = {}) {
   const { currentScene, previousScenes, drawerOpen } = state;
   switch (action.type) {
-    case loginActions.SUCCESS: {
+    case sessionActions.SUCCESS: {
       return {
         ...state,
         loggedIn: true,
@@ -62,9 +63,12 @@ export default function navigate(state = initialState, action = {}) {
         drawerOpen: action.payload.drawerOpen,
       };
     }
-    case loginActions.TOKEN_INVALID:
-    case loginActions.LOGOUT: {
-      return initialState;
+    case sessionActions.TOKEN_INVALID:
+    case sessionActions.LOGOUT: {
+      return {
+        ...initialState,
+        currentScene: LOGIN_SCENE,
+      };
     }
     default:
       return state;

app/reducers/session.js

 import { defaultProfileImage } from '../utils/url';
 
-import * as loginActions from '../actions/login';
+import * as sessionActions from '../actions/session';
 
 const initialState = {
   token: '',
@@ -11,20 +11,20 @@ const initialState = {
 
 export default function session(state = initialState, action = {}) {
   switch (action.type) {
-    case loginActions.SUCCESS:
+    case sessionActions.SUCCESS:
       return {
         ...state,
         username: action.payload.username,
         token: action.payload.token,
       };
-    case loginActions.PROFILE_SUCCESS:
+    case sessionActions.PROFILE_SUCCESS:
       return {
         ...state,
         displayName: action.payload.displayName,
         photo: action.payload.photo,
       };
-    case loginActions.TOKEN_INVALID:
-    case loginActions.LOGOUT:
+    case sessionActions.TOKEN_INVALID:
+    case sessionActions.LOGOUT:
       return initialState;
     default:
       return state;

app/sagas/deepLinking.js

@@ -5,7 +5,7 @@ import { url as siteURL, loggedInSelector } from '../utils/url';
 
 import * as deepLinkingActions from '../actions/deepLinking';
 import * as pizzaActions from '../actions/pizza';
-import * as loginActions from '../actions/login';
+import * as loginActions from '../actions/session';
 import * as eventActions from '../actions/event';
 import * as navigationActions from '../actions/navigation';
 

app/sagas/index.js

 import { all, fork } from 'redux-saga/effects';
 
-import loginSaga from './login';
+import sessionSaga from './session';
 import eventSaga from './event';
 import profileSaga from './profile';
 import welcomeSaga from './welcome';
@@ -14,7 +14,7 @@ import settingsSaga from './settings';
 
 const sagas = function* sagas() {
   yield all([
-    fork(loginSaga),
+    fork(sessionSaga),
     fork(eventSaga),
     fork(profileSaga),
     fork(welcomeSaga),

app/sagas/login.js → app/sagas/session.js

-import { call, takeEvery, put } from 'redux-saga/effects';
+import { call, put, takeEvery } from 'redux-saga/effects';
 import { AsyncStorage } from 'react-native';
 import Snackbar from 'react-native-snackbar';
 import { Sentry } from 'react-native-sentry';
 
 import { apiRequest } from '../utils/url';
-import * as loginActions from '../actions/login';
+import * as sessionActions from '../actions/session';
 import * as pushNotificationsActions from '../actions/pushNotifications';
+import { navigate } from '../actions/navigation';
+import { LOGIN_SCENE, WELCOME_SCENE } from '../ui/components/navigator/scenes';
 
 export const USERNAMEKEY = '@MyStore:username';
 export const TOKENKEY = '@MyStore:token';
 export const DISPLAYNAMEKEY = '@MyStore:displayName';
 export const PHOTOKEY = '@MyStore:photo';
+export const PUSHCATEGORYKEY = '@MyStore:pushCategories';
 
-const login = function* login(action) {
+const pairsToObject = (obj, pair) => {
+  const obj2 = { ...obj };
+  obj2[pair[0]] = pair[1];
+  return obj2;
+};
+
+const getStoredItems = () => AsyncStorage.multiGet([
+  USERNAMEKEY, TOKENKEY, DISPLAYNAMEKEY, PHOTOKEY, PUSHCATEGORYKEY,
+]);
+
+function* init() {
+  try {
+    const result = yield call(getStoredItems);
+    const values = result.reduce(pairsToObject, {});
+
+    const username = values[USERNAMEKEY];
+    const token = values[TOKENKEY];
+    const displayName = values[DISPLAYNAMEKEY];
+    const photo = values[PHOTOKEY];
+    const pushCategories = JSON.parse(values[PUSHCATEGORYKEY]);
+
+    if (username !== null && token !== null) {
+      yield put(sessionActions.success(username, token));
+      yield put(sessionActions.profileSuccess(displayName, photo));
+      yield put(sessionActions.profile(token));
+      yield put(pushNotificationsActions.register(pushCategories));
+    } else {
+      yield put(navigate(LOGIN_SCENE, true));
+    }
+  } catch (e) {
+    Sentry.captureException(e);
+  }
+}
+
+function* login(action) {
   const { user, pass } = action.payload;
 
   Snackbar.show({ title: 'Logging in', duration: Snackbar.LENGTH_INDEFINITE });
@@ -36,8 +73,8 @@ const login = function* login(action) {
       [USERNAMEKEY, user],
       [TOKENKEY, token],
     ]);
-    yield put(loginActions.success(user, token));
-    yield put(loginActions.profile(token));
+    yield put(sessionActions.success(user, token));
+    yield put(sessionActions.profile(token));
     yield put(pushNotificationsActions.register());
     Snackbar.dismiss();
     Snackbar.show({ title: 'Login successful' });
@@ -45,20 +82,20 @@ const login = function* login(action) {
     Snackbar.dismiss();
     Snackbar.show({ title: 'Login failed' });
   }
-};
+}
 
-const logout = function* logout() {
+function* logout() {
   yield call(AsyncStorage.multiRemove, [USERNAMEKEY, TOKENKEY]);
   yield put(pushNotificationsActions.invalidate());
   Snackbar.show({ title: 'Logout successful' });