Commit 09cacb5b authored by Adrian's avatar Adrian

authentication

parent d5092eb9
Pipeline #329 failed with stages
import React from 'react';
import React, { useContext } from 'react';
import './App.css';
import ParentCmp from './components/parentComponent';
// Creando el contexto
export const CounterContext = React.createContext();
import Auth from './components/auth'
import Formulario from './components/exampleForm'
import { AuthContext, useAuthContext } from './context/authContext'
function App() {
// Aqui gestiono el estado del contador
const [counter, setCounter] = React.useState(0);
// Creo el metodo adicionar que incrementa el contador
const add = () => {
setCounter(counter + 1);
}
// Creo el metodo restar que decrementa el contador
const sub = () => {
setCounter(counter - 1);
}
const valueProvider = useAuthContext();
return (
<div className="root">
{/* Aqui crea el proveedor del contexto o "Provider", esto lo que hace es que todos los componentes que esten dentro de la gerarquia arbolea de componentes, tengan la posiblidad de subscribirse
a el, y si alguno de sus componente hijos, nietos, biznietos, etc, se subscribe, van a tener la posibilidad de ver los valores, que se pasan por la prop: "value" que
pide el provider. Y esos hijos al estar subscritos, si el "value" cambia, los hijos pueden ver ese cambio.
*/}
<CounterContext.Provider value={{ contador: counter, increment: add, decrement: sub }}>
<ParentCmp />
</CounterContext.Provider>
</div>
);
<AuthContext.Provider value={valueProvider}>
<InnerApp />
</AuthContext.Provider>
)
}
const InnerApp = () => {
const data = useContext(AuthContext)
return data.accessToken ? <Formulario /> : <Auth />;
}
export default App;
import React, { useState, useContext } from 'react';
import { AuthContext } from '../context/authContext'
const Auth = props => {
const [user, setUser] = useState();
const [pass, setPass] = useState();
const contextData = useContext(AuthContext);
const handleChangeUser = (event) => {
const usuario = event.target.value;
setUser(usuario)
}
const handleChangePass = (event) => {
const contrasenna = event.target.value;
setPass(contrasenna)
}
const handleLogin = async () => {
const data = await getToken();
// llenar context
contextData.setEmail(data.email);
contextData.setAccessToken(data.accessToken);
}
const getToken = () => {
// POST user + pass
// get response
return new Promise((resolve, reject) => {
setTimeout(() => {
resolve({
username: 'Pepe',
email: 'pepe@nauta.cu',
accessToken: '545s7dad49a8s4d6as54das98d4as9d84as9d84as6d5a4sd98as4d'
});
}, 2000)
});
}
return (
<>
<h1>
Autenticacion
</h1>
<label for="username">Username:</label>
<input type="text" id="username" name="username" value={user} onChange={handleChangeUser} />
<label for="pwd">Password:</label>
<input type="password" id="pwd" name="pwd" value={pass} onChange={handleChangePass} />
<button onClick={handleLogin}>Login</button>
</>
);
}
export default Auth;
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import React, { useContext /* Se importa el hook de react para poser subcribirse a un contexto determinado*/ } from 'react';
import '../App.css'
// Se importa el contexto
import { CounterContext } from '../App'
const CmpA = props => {
// En este componente nos subscribimos al contexto "CounterContext", y este devuelo que se pasa desde el provider por la prop "value".
// En este caso especifico usamos los metodos "increment" y "decrement" que nos pasan desde el contexto, para poder ejecutar acciones y modificar el contador
// que esta creado y gestionado en padre superior.
const { increment, decrement } = useContext(CounterContext); // Aqui nos subscribimos al contexto
return (
<div className="cmpA">
<h1>A</h1>
<input type="button" onClick={increment} value="Incrememnt" />
<input type="button" onClick={decrement} value="Decrement" />
</div>
);
}
export default CmpA;
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import React, { useContext /* Se importa el hook de react para poser subcribirse a un contexto determinado*/ } from 'react';
import '../App.css'
// Se importa el contexto
import { CounterContext } from '../App'
const CmpB = props => {
// En este componente nos subscribimos al contexto "CounterContext", y este devuelve lo que se pasa desde el provider por la prop "value".
// En este caso especifico solo usamos la propiedad "contador" que nos pasan desde el contexto, para poder leerla.
// Desde el componente A modificamos esa propiedad a travez del contexto, y este componente al estar subscrito al mismo contexto se renderiza cuando cambia
// "contador"
const { contador } = useContext(CounterContext); // Aqui nos subscribimos al contexto
return (
<div className="cmpB" >
<h1>B</h1>
<h2>Counter: {contador}</h2>
</div>
);
}
export default CmpB;
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import React, { useState, useContext } from 'react';
import { AuthContext } from '../context/authContext'
const Formulario = () => {
const [nombre, setNombre] = useState('');
const [edad, setEdad] = useState();
const contextData = useContext(AuthContext);
const handleGuardar = () => {
fetch('http:localhost:3000/api/submit', {
headers: {
'application': 'application/json',
'authorization': 'Bearer ' + contextData.accessToken
},
data: JSON.stringify({
nombre, edad
})
})
}
return (
<div>
<p>{contextData.email}</p>
<label for="nombre" >Nombre</label>
<input type="text" id="nombre" name="nombre" value={nombre} onChange={(event) => { setNombre(event.target.value) }} />
<label for="edad">Edad</label>
<input type="text" id="edad" name="edad" value={edad} onChange={(event) => { setEdad(event.target.value) }} />
<button onClick={handleGuardar}>Guardar</button>
</div>
);
}
export default Formulario;
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import React from 'react';
import CmpA from './componentA'
import CmpB from './componentB'
const Parent = props => {
// Este es un cmponente intermedio que no se entera de los datos que pasan del padre a los hijos porque no esta subscrito al context.
return (
<div className="parent">
<CmpA />
<CmpB />
</div>
);
}
export default Parent;
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import React, { useState } from 'react';
export const AuthContext = React.createContext();
export const useAuthContext = () => {
const [email, setEmail] = useState();
const [accessToken, setAccessToken] = useState();
return {
email,
accessToken,
setEmail,
setAccessToken
}
}
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