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April 30, 2020 22:58
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| import React, { useState, useContext } from 'react'; | |
| import { useHistory, useLocation } from 'react-router-dom'; | |
| import StoreContext from 'components/Store/Context'; | |
| import UIButton from 'components/UI/Button/Button'; | |
| import './Login.css'; | |
| function initialState() { | |
| return { user: '', password: '' }; | |
| } | |
| function login({ user, password }) { | |
| if (user === 'admin' && password === 'admin') { | |
| return { token: '1234' }; | |
| } | |
| return { error: 'Usuário ou senha inválido' }; | |
| } | |
| const UserLogin = () => { | |
| const [values, setValues] = useState(initialState); | |
| const [error, setError] = useState(null); | |
| const { setToken } = useContext(StoreContext); | |
| const history = useHistory(); | |
| const location = useLocation(); | |
| function onChange(event) { | |
| const { value, name } = event.target; | |
| setValues({ | |
| ...values, | |
| [name]: value | |
| }); | |
| } | |
| function onSubmit(event) { | |
| event.preventDefault(); | |
| const { token, error } = login(values); | |
| if (token) { | |
| setToken(token); | |
| if (location?.state.redirectOnAuthenticated) { | |
| return history.push(location.state.from); | |
| } | |
| return history.push('/'); | |
| } | |
| setError(error); | |
| setValues(initialState); | |
| } | |
| return ( | |
| <div className="user-login"> | |
| <h1 className="user-login__title">Acessar o Sistema</h1> | |
| <form onSubmit={onSubmit}> | |
| <div className="user-login__form-control"> | |
| <label htmlFor="user">Usuário</label> | |
| <input | |
| id="user" | |
| type="text" | |
| name="user" | |
| onChange={onChange} | |
| value={values.user} | |
| /> | |
| </div> | |
| <div className="user-login__form-control"> | |
| <label htmlFor="password">Senha</label> | |
| <input | |
| id="password" | |
| type="password" | |
| name="password" | |
| onChange={onChange} | |
| value={values.password} | |
| /> | |
| </div> | |
| {error && ( | |
| <div className="user-login__error">{error}</div> | |
| )} | |
| <UIButton | |
| type="submit" | |
| theme="contained-green" | |
| className="user-login__submit-button" | |
| rounded | |
| > | |
| Entrar | |
| </UIButton> | |
| </form> | |
| </div> | |
| ); | |
| }; | |
| export default UserLogin; |
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