Connect app with redux and saga. Add basic login page

package.json

@@ -10,6 +10,9 @@
     "@testing-library/user-event": "^12.1.10",
     "@zxing/library": "^0.18.3",
     "add": "^2.0.6",
+    "connected-react-router": "^6.8.0",
+    "history": "4.10.1",
+    "immer": "^8.0.0",
     "lodash": "^4.17.20",
     "prop-types": "^15.7.2",
     "react": "^17.0.1",
@@ -21,6 +24,7 @@
     "react-webcam": "^5.2.2",
     "recharts": "^1.8.5",
     "redux": "^4.0.5",
+    "redux-injectors": "^1.3.0",
     "redux-saga": "^1.1.3",
     "reselect": "^4.0.0",
     "web-vitals": "^0.2.4",

src/containers/App/constants.js

@@ -0,0 +1,4 @@
+export const LOGOUT_REQUEST = 'app/App/LOGOUT_REQUEST';
+export const LOGOUT_ERROR = 'app/App/LOGOUT_ERROR';
+export const LOGOUT_SUCCESS = 'app/App/LOGOUT_SUCCESS';
+export const LOGIN_SUCCESS = 'app/App/LOGIN_SUCCESS';

src/containers/App/index.js

@@ -1,28 +1,30 @@
 import React from 'react';
-import { Switch } from 'react-router-dom';
-import RouteWithSubRoutes from 'containers/RouteWithSubRoutes'
+import {Route, Switch} from 'react-router-dom';
 import { ThemeProvider } from '@material-ui/core/styles'
+import {createStructuredSelector} from "reselect";
 import CssBaseline from '@material-ui/core/CssBaseline'
-import { ROUTES } from 'utils/routes';
-import { theme } from 'utils/theme'
-
+import { theme, routes } from 'utils'
+import {makeSelectIsLogged} from "./selectors";
+import { useSelector } from 'react-redux';
 import Navbar from 'components/Navbar'
 
+import HomePage from 'pages/Home'
+import LoginPage from 'pages/Login'
+
+const stateSelector = createStructuredSelector({
+  isLogged: makeSelectIsLogged(),
+});
+
 const App = () => {
+  const { isLogged } = useSelector(stateSelector)
+
   return (
    <ThemeProvider theme={theme}>
      <CssBaseline />
-     <Navbar />
+     {isLogged && <Navbar /> }
      <Switch>
-       {ROUTES.map(({ key, component, path, exact, routes }) => (
-        <RouteWithSubRoutes
-         key={key}
-         component={component}
-         path={path}
-         exact={exact}
-         routes={routes}
-        />
-       ))}
+       <Route exact path={routes.dashboard.path} component={HomePage} />
+       <Route exact path={routes.login.path} component={LoginPage} />
      </Switch>
    </ThemeProvider>
   );

src/containers/App/reducer.js

@@ -0,0 +1,30 @@
+import produce from 'immer';
+import {
+  LOGOUT_ERROR,
+  LOGOUT_SUCCESS,
+} from './constants';
+
+import { LOGIN_SUCCESS } from 'pages/Login/constants'
+
+export const initialState = {
+  isLogged: false,
+  notifications: [],
+  tokens: {},
+  user: {},
+};
+const appReducer = produce((draft, action) => {
+  switch(action.type) {
+    case LOGIN_SUCCESS:
+      draft.isLogged = true;
+      draft.tokens = action.tokens;
+      draft.user = action.user;
+      break;
+    case LOGOUT_ERROR:
+    case LOGOUT_SUCCESS:
+      return initialState;
+    default:
+      return initialState;
+  }
+}, initialState);
+
+export default appReducer;

src/containers/App/selectors.js

@@ -0,0 +1,23 @@
+import { createSelector } from 'reselect';
+import { initialState } from './reducer';
+
+const selectGlobalDomain = (state) => state.global || initialState;
+
+const makeSelectIsLogged = () =>
+ createSelector(selectGlobalDomain, (substate) => substate.isLogged);
+
+const makeSelectNotifications = () =>
+ createSelector(selectGlobalDomain, (substate) => substate.notifications);
+
+const makeSelectTokens = () =>
+ createSelector(selectGlobalDomain, (substate) => substate.tokens);
+
+const makeSelectUser = () =>
+ createSelector(selectGlobalDomain, (substate) => substate.user);
+
+export {
+  makeSelectIsLogged,
+  makeSelectNotifications,
+  makeSelectTokens,
+  makeSelectUser,
+};

src/containers/RouteWithSubRoutes/index.js

@@ -1,20 +0,0 @@
-import React from 'react';
-import { Route } from 'react-router-dom'
-import PropTypes from 'prop-types';
-
-const RouteWithSubRoutes = ({ component: Component, path, exact, routes = [] }) => (
- <Route
-    path={path}
-    exact={exact}
-    render={props => <Component routes={routes} {...props} />}
- />
-)
-
-RouteWithSubRoutes.propTypes = {
-  routes: PropTypes.array,
-  component: PropTypes.elementType.isRequired,
-  path: PropTypes.string.isRequired,
-  exact: PropTypes.bool.isRequired,
-}
-
-export default RouteWithSubRoutes;

src/index.js

@@ -1,14 +1,22 @@
 import React from 'react';
 import ReactDOM from 'react-dom';
-import { BrowserRouter } from 'react-router-dom'
+import { Provider } from 'react-redux';
+import { ConnectedRouter } from 'connected-react-router';
 import App from 'containers/App';
 import reportWebVitals from './reportWebVitals';
+import configureStore from 'utils/configureStore'
+import {history} from 'utils';
+
+const initialState = {};
+const store = configureStore(initialState, history);
 
 ReactDOM.render(
   <React.StrictMode>
-    <BrowserRouter>
-      <App />
-    </BrowserRouter>
+    <Provider store={store}>
+      <ConnectedRouter history={history}>
+        <App />
+      </ConnectedRouter>
+    </Provider>
   </React.StrictMode>,
   document.getElementById('root')
 );

src/pages/Login/actions.js

@@ -0,0 +1,22 @@
+import { LOGIN_INPUT_CHANGE, LOGIN_REQUEST, LOGIN_SUCCESS, LOGIN_ERROR } from './constants';
+
+export const loginInputChange = (name, value) => ({
+  type: LOGIN_INPUT_CHANGE,
+  name,
+  value,
+})
+
+export const loginAction = () => ({
+  type: LOGIN_REQUEST,
+})
+
+export const loginSuccessAction = (user, tokens) => ({
+  type: LOGIN_SUCCESS,
+  user,
+  tokens,
+})
+
+export const loginErrorAction = (error) => ({
+    type: LOGIN_ERROR,
+    error,
+})

src/pages/Login/constants.js

@@ -0,0 +1,5 @@
+export const LOGIN_REQUEST = 'app/LoginPage/LOGIN_REQUEST';
+export const LOGIN_SUCCESS = 'app/LoginPage/LOGIN_SUCCESS';
+export const LOGIN_ERROR = 'app/LoginPage/LOGIN_ERROR';
+
+export const LOGIN_INPUT_CHANGE = 'app/LoginPage/LOGIN_INPUT_CHANGE';

src/pages/Login/index.js

@@ -0,0 +1,68 @@
+import React from 'react';
+import { useInjectReducer, useInjectSaga } from 'redux-injectors';
+import { createStructuredSelector } from 'reselect';
+import { useSelector, useDispatch } from 'react-redux';
+import { Container, Grid, Box, Paper, Button, Typography, TextField } from '@material-ui/core'
+import reducer from './reducer';
+import saga from './saga';
+import { makeSelectEmail, makeSelectPassword, makeSelectLoading } from './selectors'
+import { loginInputChange, loginAction } from './actions'
+
+const stateSelector = createStructuredSelector({
+  email: makeSelectEmail(),
+  password: makeSelectPassword(),
+  loading: makeSelectLoading(),
+});
+
+const key = 'loginPage'
+const Login = () => {
+  useInjectReducer({ key, reducer });
+  useInjectSaga({ key, saga });
+  const { email, password, loading } = useSelector(stateSelector)
+  const dispatch = useDispatch();
+
+  const onChangeInput = ({target: { name, value }}) => {
+    dispatch(loginInputChange(name, value))
+  }
+
+  const handleSubmit = (event) => {
+    event.preventDefault()
+    dispatch(loginAction())
+  }
+
+  return (
+   <Container>
+     <Box marginTop={2}>
+       <Paper component="form" noValidate autoComplete="off" onSubmit={handleSubmit}>
+         <Grid
+            container
+            direction="column"
+            alignItems="center"
+            justify="center"
+         >
+           <Typography>Login</Typography>
+           <TextField
+              type="text"
+              label="E-mail"
+              name="email"
+              variant="outlined"
+              value={email}
+              onChange={onChangeInput}
+           />
+           <TextField
+              type="password"
+              label="password"
+              name="password"
+              variant="outlined"
+              value={password}
+              onChange={onChangeInput}
+           />
+           <Button type="submit" disabled={loading} color="primary">Sign in</Button>
+         </Grid>
+       </Paper>
+     </Box>
+   </Container>
+  );
+};
+
+export default Login;

src/pages/Login/reducer.js

@@ -0,0 +1,31 @@
+import produce from 'immer';
+import {LOGIN_INPUT_CHANGE, LOGIN_ERROR, LOGIN_REQUEST, LOGIN_SUCCESS} from './constants';
+
+export const initialState = {
+  loading: false,
+  error: {},
+  email: 'admin@admin.com',
+  password: 'Kox32113@#$',
+};
+
+const loginPageReducer = produce((draft, action) => {
+    switch(action.type) {
+      case LOGIN_SUCCESS:
+        draft.loading = false;
+        break;
+      case LOGIN_REQUEST:
+        draft.loading = true;
+        break;
+      case LOGIN_ERROR:
+        draft.loading = false;
+        draft.error = action.error;
+        break;
+      case LOGIN_INPUT_CHANGE:
+        draft[action.name] = action.value;
+        break;
+      default:
+        return initialState;
+    }
+}, initialState);
+
+export default loginPageReducer;

src/pages/Login/saga.js

@@ -0,0 +1,30 @@
+import { takeLatest, call, put, select } from 'redux-saga/effects';
+import { push } from 'connected-react-router';
+import { api, request, routes } from 'utils';
+import { LOGIN_REQUEST } from './constants';
+import { makeSelectPassword, makeSelectEmail } from './selectors';
+import { loginSuccessAction, loginErrorAction } from './actions';
+
+export function* login() {
+  const email = yield select(makeSelectEmail());
+  const password = yield select(makeSelectPassword());
+
+  const requestURL = api.auth.login;
+  const requestParameters = {
+    method: 'POST',
+    headers: { Accept: 'application/json', 'Content-Type': 'application/json' },
+    body: JSON.stringify({ email, password }),
+  };
+
+  try {
+    const { tokens, user } = yield call(request, requestURL, requestParameters);
+    yield put(loginSuccessAction(user, tokens));
+    yield put(push(routes.dashboard.path));
+  } catch (error) {
+    yield put(loginErrorAction(error.message));
+  }
+}
+
+export default function* loginPageSaga() {
+  yield takeLatest(LOGIN_REQUEST, login);
+}

src/pages/Login/selectors.js

@@ -0,0 +1,19 @@
+import { createSelector } from 'reselect';
+import { initialState } from './reducer';
+
+const selectLoginPageDomain = (state) => state.loginPage || initialState;
+
+const makeSelectEmail = () =>
+ createSelector(selectLoginPageDomain, (substate) => substate.email);
+
+const makeSelectPassword = () =>
+ createSelector(selectLoginPageDomain, (substate) => substate.password);
+const makeSelectLoading = () =>
+ createSelector(selectLoginPageDomain, (substate) => substate.loading);
+
+export {
+  selectLoginPageDomain,
+  makeSelectEmail,
+  makeSelectPassword,
+  makeSelectLoading,
+};

src/utils/api.js

@@ -0,0 +1,11 @@
+const API_BASE_URL = 'http://localhost:3001/v1'
+const AUTH = 'auth';
+
+const urls = {
+  auth: {
+    login: `${API_BASE_URL}/${AUTH}/login`,
+    register: `${API_BASE_URL}/${AUTH}/register`,
+  }
+}
+
+export default urls

src/utils/configureStore.js

@@ -0,0 +1,41 @@
+import { createStore, applyMiddleware, compose } from 'redux';
+import { routerMiddleware } from 'connected-react-router';
+import { createInjectorsEnhancer } from 'redux-injectors';
+import createSagaMiddleware from 'redux-saga';
+import createReducer from './reducers';
+
+export default function configureStore(initialState = {}, history) {
+  let composeEnhancers = compose;
+  const reduxSagaMonitorOptions = {};
+
+  if (typeof window === 'object') {
+    /* eslint-disable no-underscore-dangle */
+    if (window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__)
+      composeEnhancers = window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__({});
+
+  }
+
+  const sagaMiddleware = createSagaMiddleware(reduxSagaMonitorOptions);
+  const { run: runSaga } = sagaMiddleware;
+
+  // Create the store with two middlewares
+  // 1. sagaMiddleware: Makes redux-sagas work
+  // 2. routerMiddleware: Syncs the location/URL path to the state
+  const middlewares = [sagaMiddleware, routerMiddleware(history)];
+
+  const enhancers = [
+    applyMiddleware(...middlewares),
+    createInjectorsEnhancer({
+      createReducer,
+      runSaga,
+    }),
+  ];
+
+  const store = createStore(
+   createReducer(),
+   initialState,
+   composeEnhancers(...enhancers),
+  );
+
+  return store;
+}

src/utils/history.js

@@ -0,0 +1,3 @@
+import { createBrowserHistory } from 'history';
+const history = createBrowserHistory();
+export default history;

src/utils/index.js

@@ -0,0 +1,5 @@
+export { default as api } from './api';
+export { default as request } from './request';
+export { default as routes } from './routes';
+export { default as history } from './history';
+export { default as theme } from './theme';

src/utils/reducers.js

@@ -0,0 +1,15 @@
+import { combineReducers } from 'redux';
+import { connectRouter } from 'connected-react-router';
+
+import {history} from 'utils';
+import globalReducer from 'containers/App/reducer';
+
+export default function createReducer(injectedReducers = {}) {
+  const rootReducer = combineReducers({
+    global: globalReducer,
+    router: connectRouter(history),
+    ...injectedReducers,
+  });
+
+  return rootReducer;
+}

src/utils/request.js

@@ -0,0 +1,24 @@
+function parseJSON(response) {
+  if (response.status === 204 || response.status === 205) {
+    return null;
+  }
+  return response.json();
+}
+
+function checkStatus(response) {
+  if (response.status >= 200 && response.status < 300) {
+    return response;
+  }
+
+  const error = new Error(response.statusText);
+  error.statusCode = response.status;
+  throw error;
+}
+
+const request = async (url, options) => {
+  const fetchResponse = await fetch(url, options);
+  const response = await checkStatus(fetchResponse);
+  return parseJSON(response);
+}
+
+export default request

src/utils/routes.js

@@ -1,10 +1,13 @@
-import HomePage from 'pages/Home'
 
-export const ROUTES = [
-  {
+const routes = {
+  dashboard: {
     path: '/',
-    key: 'HOME',
     exact: true,
-    component: HomePage
   },
-]
+  login: {
+    path: '/login',
+    exact: true,
+  },
+}
+
+export default routes

src/utils/theme.js

@@ -1,6 +1,6 @@
 import { createMuiTheme } from '@material-ui/core/styles';
 
-export const theme = createMuiTheme({
+const theme = createMuiTheme({
   palette: {
     type: 'dark',
     primary: {
@@ -11,3 +11,4 @@ export const theme = createMuiTheme({
     },
   },
 })
+export default theme

yarn.lock

@@ -3466,6 +3466,13 @@ connect-history-api-fallback@^1.6.0:
   resolved "https://registry.yarnpkg.com/connect-history-api-fallback/-/connect-history-api-fallback-1.6.0.tgz#8b32089359308d111115d81cad3fceab888f97bc"
   integrity sha512-e54B99q/OUoH64zYYRf3HBP5z24G38h5D3qXu23JGRoigpX5Ss4r9ZnDk3g0Z8uQC2x2lPaJ+UlWBc1ZWBWdLg==
 
+connected-react-router@^6.8.0:
+  version "6.8.0"
+  resolved "https://registry.yarnpkg.com/connected-react-router/-/connected-react-router-6.8.0.tgz#ddc687b31d498322445d235d660798489fa56cae"
+  integrity sha512-E64/6krdJM3Ag3MMmh2nKPtMbH15s3JQDuaYJvOVXzu6MbHbDyIvuwLOyhQIuP4Om9zqEfZYiVyflROibSsONg==
+  dependencies:
+    prop-types "^15.7.2"
+
 console-browserify@^1.1.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/console-browserify/-/console-browserify-1.2.0.tgz#67063cef57ceb6cf4993a2ab3a55840ae8c49336"
@@ -5606,7 +5613,7 @@ hex-color-regex@^1.1.0:
   resolved "https://registry.yarnpkg.com/hex-color-regex/-/hex-color-regex-1.1.0.tgz#4c06fccb4602fe2602b3c93df82d7e7dbf1a8a8e"
   integrity sha512-l9sfDFsuqtOqKDsQdqrMRk0U85RZc0RtOR9yPI7mRVOa4FsR/BVnZ0shmQRM96Ji99kYZP/7hn1cedc1+ApsTQ==
 
-history@^4.9.0:
+history@4.10.1, history@^4.9.0:
   version "4.10.1"
   resolved "https://registry.yarnpkg.com/history/-/history-4.10.1.tgz#33371a65e3a83b267434e2b3f3b1b4c58aad4cf3"
   integrity sha512-36nwAD620w12kuzPAsyINPWJqlNbij+hpK1k9XRloDtym8mxzGYl2c17LnV6IAGB2Dmg4tEa7G7DlawS0+qjew==
@@ -5857,6 +5864,11 @@ immer@7.0.9:
   resolved "https://registry.yarnpkg.com/immer/-/immer-7.0.9.tgz#28e7552c21d39dd76feccd2b800b7bc86ee4a62e"
   integrity sha512-Vs/gxoM4DqNAYR7pugIxi0Xc8XAun/uy7AQu4fLLqaTBHxjOP9pJ266Q9MWA/ly4z6rAFZbvViOtihxUZ7O28A==
 
+immer@^8.0.0:
+  version "8.0.0"
+  resolved "https://registry.yarnpkg.com/immer/-/immer-8.0.0.tgz#08763549ba9dd7d5e2eb4bec504a8315bd9440c2"
+  integrity sha512-jm87NNBAIG4fHwouilCHIecFXp5rMGkiFrAuhVO685UnMAlOneEAnOyzPt8OnP47TC11q/E7vpzZe0WvwepFTg==
+
 import-cwd@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/import-cwd/-/import-cwd-2.1.0.tgz#aa6cf36e722761285cb371ec6519f53e2435b0a9"
@@ -5994,6 +6006,13 @@ internal-slot@^1.0.2:
     has "^1.0.3"
     side-channel "^1.0.2"
 
+invariant@^2.2.4:
+  version "2.2.4"
+  resolved "https://registry.yarnpkg.com/invariant/-/invariant-2.2.4.tgz#610f3c92c9359ce1db616e538008d23ff35158e6"
+  integrity sha512-phJfQVBuaJM5raOpJjSfkiD6BpbCE4Ns//LaXl6wGYtUBY83nWS6Rf9tXm2e8VaK60JEjYldbPif/A2B1C2gNA==
+  dependencies:
+    loose-envify "^1.0.0"
+
 ip-regex@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/ip-regex/-/ip-regex-2.1.0.tgz#fa78bf5d2e6913c911ce9f819ee5146bb6d844e9"
@@ -7301,7 +7320,7 @@ loglevel@^1.6.8:
   resolved "https://registry.yarnpkg.com/loglevel/-/loglevel-1.7.0.tgz#728166855a740d59d38db01cf46f042caa041bb0"
   integrity sha512-i2sY04nal5jDcagM3FMfG++T69GEEM8CYuOfeOIvmXzOIcwE9a/CJPR0MFM97pYMj/u10lzz7/zd7+qwhrBTqQ==
 
-loose-envify@^1.1.0, loose-envify@^1.2.0, loose-envify@^1.3.1, loose-envify@^1.4.0:
+loose-envify@^1.0.0, loose-envify@^1.1.0, loose-envify@^1.2.0, loose-envify@^1.3.1, loose-envify@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/loose-envify/-/loose-envify-1.4.0.tgz#71ee51fa7be4caec1a63839f7e682d8132d30caf"
   integrity sha512-lyuxPGr/Wfhrlem2CL/UcnUc1zcqKAImBDzukY7Y5F/yQiNdko6+fRLevlw1HgMySw7f611UIY408EtxRSoK3Q==
@@ -9719,6 +9738,16 @@ reduce-function-call@^1.0.1:
   dependencies:
     balanced-match "^1.0.0"
 
+redux-injectors@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/redux-injectors/-/redux-injectors-1.3.0.tgz#7d283633428ccbe22e165903b60f432e63da6947"
+  integrity sha512-ZoyKf8Y0bRqpmJImaVO3jnDKuMXTzMDp3j+b0bqtSuPAgWcHD/2P9gRr4mI1EjgCiheIyQ/JJI8yLG29ijqRaw==
+  dependencies:
+    hoist-non-react-statics "^3.3.2"
+    invariant "^2.2.4"
+    lodash "^4.17.15"
+    redux "^4.0.5"
+
 redux-saga@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/redux-saga/-/redux-saga-1.1.3.tgz#9f3e6aebd3c994bbc0f6901a625f9a42b51d1112"