ajout authentification admin/user

my-library/src/pages/BookDetail.jsx

@@ -1,14 +1,35 @@
 import { useState, useEffect } from 'react';
 import { useParams, Link } from 'react-router-dom';
-import { getBookById } from '../api/books';
+import { getBookById, reserveBook } from '../api/books';
+import { useAuth } from '../context/AuthContext';
 
 export default function BookDetail() {
-  const { bookId } = useParams();  
+  const { user } = useAuth();
+  const { bookId } = useParams();
   const [book, setBook] = useState(null);
   const [loading, setLoading] = useState(true);
   const [error, setError] = useState(null);
+  const [phoneNumber, setPhoneNumber] = useState('');
+  const [reservationStatus, setReservationStatus] = useState(null);
+  const [reserving, setReserving] = useState(false);
 
-  useEffect(() => {getBookById(bookId).then((response) => setBook(response.data)).catch((err) => {console.error(err);setError('Livre introuvable.');}).finally(() => setLoading(false));}, [bookId]);             
+  useEffect(() => { getBookById(bookId).then((response) => setBook(response.data)).catch((err) => { console.error(err); setError('Livre introuvable.'); }).finally(() => setLoading(false)); }, [bookId]);
+
+  function handleReservation(e) {
+    e.preventDefault();
+    setReserving(true);
+    setReservationStatus(null);
+    reserveBook(bookId, { phoneNumber })
+      .then(() => {
+        setReservationStatus({ success: true, message: 'Réservation effectuée avec succès !' });
+        setPhoneNumber('');
+      })
+      .catch((err) => {
+        const msg = err.response?.data || 'Erreur lors de la réservation.';
+        setReservationStatus({ success: false, message: msg });
+      })
+      .finally(() => setReserving(false));
+  }
 
   if (loading) return <main><p>Chargement…</p></main>;
   if (error) return <main><p>{error}</p><Link to="/books">← Retour au catalogue</Link></main>;
@@ -26,6 +47,30 @@ export default function BookDetail() {
       <p>Langue : {book.language}</p>
       <p>Catégories : {book.categories?.join(', ')}</p>
       {book.description && <p>{book.description}</p>}
+
+      {user?.role === 'user' && <section>
+        <h2>Réserver ce livre</h2>
+        <form onSubmit={handleReservation}>
+          <label>
+            Numéro de téléphone :
+            <input
+              type="tel"
+              value={phoneNumber}
+              onChange={(e) => setPhoneNumber(e.target.value)}
+              placeholder="0612345678"
+              required
+            />
+          </label>
+          <button type="submit" disabled={reserving}>
+            {reserving ? 'Réservation…' : 'Réserver'}
+          </button>
+        </form>
+        {reservationStatus && (
+          <p style={{ color: reservationStatus.success ? 'green' : 'red' }}>
+            {reservationStatus.message}
+          </p>
+        )}
+      </section>}
     </main>
   );
 }