frontend/smart-hut/src/App.js

import React, {Component} from "react";
import {BrowserRouter, Switch, Route, Redirect } from "react-router-dom";
import Home from "./views/Home";
import Dashboard from "./views/Dashboard";
import Signup from "./views/Signup";
import Login from "./views/Login";
import FourOhFour from "./views/FourOhFour";
import ForgotPass from "./views/Forgot-password";
import ChangePass from "./views/Forgot-pass-reset";
import ConfirmForgotPasswrod from "./views/ConfirmForgotPassword";
import ConfirmRegistration from "./views/ConfirmRegistration";
import queryString from 'query-string';

import { call } from './client_server';

/*let userJsonString = JSON.parse(localStorage.getItem("token"));
      let date = new Date().getTime().toString();
      let delta = date - userJsonString.timestamp;
			if (delta < 5*60*60*1000) {
				loggedIn = true;
      }*/

class App extends Component {
  constructor(props) {
    super(props);

    let loggedIn = false;

		try {
      let userJsonString = localStorage.getItem("token");
      if (userJsonString) {
        loggedIn = true;
      }
		}catch(exception) {

		}

		this.state = {
			loggedIn: loggedIn,
		};

    this.auth = this.auth.bind(this);
    this.logout = this.logout.bind(this);
  }

  componentDidMount() {
    if (this.props.location) {
      const values = queryString.parse(this.props.location.search);
      this.setState({
          query : values
      });
    }
  }

  auth(data) {
    return call.login(data.params)
      .then(res => {
        console.log(res);
        if (res.data && res.status === 200) {
          localStorage.setItem("token", res.data.jwttoken);
          this.setState(
            {
              user: data.params.user,
              token: res.data.jwttoken,
              loggedIn: true,
            }
          );
          return res;
          //this.props.history.push("/dashboard");
        } else {
          this.setState({
            error: res.data.message
          });
          return this.state.error;
        }
      }).catch(err => {
          console.log(err);
          return {status : "Errore"};
      });
  };

  logout() {
    this.setState({
      loggedIn : false,
    });

    localStorage.removeItem("token");
    this.props.history.push("/");
  };

  render() {
    return (
      <BrowserRouter>
        <Switch>
          <Route path="/" exact component={Home} />
          <Route path="/login" >
            { this.state.loggedIn && this.state.token ? <Redirect tkn={this.state.token} to="/dashboard" /> : <Login auth={this.auth} /> }
          </Route>
          <Route path="/signup" exact component={Signup} />
          <Route path="/dashboard" >
            {/* ToDO change this back */}
              {!this.state.loggedIn ? <Dashboard tkn={this.state.token} logout={this.logout} /> : <Redirect to="/login" />}
          </Route>
          <Route path="/forgot-password" >
              <ForgotPass />
          </Route>
          <Route path="/sent-email" >
              <ConfirmForgotPasswrod />
          </Route>
          <Route path="/sent-email-reg" >
              <ConfirmRegistration />
          </Route>
          <Route path="/forgot-pass-reset" >
              <ChangePass query={this.state.query}/>
          </Route>
          <Route component={FourOhFour} />
        </Switch>
      </BrowserRouter>
    );
  }
}

export default App;