merge retours livres admin

Reviewed-on: #7

my-library/src/api/orders.js

@@ -0,0 +1,5 @@
+import client from './client';
+
+export function createOrder(order) {
+  return client.post('/api/orders', order);
+}

my-library/src/pages/Orders.jsx

@@ -1,3 +1,91 @@
+import { useState } from 'react';
+import { createOrder } from '../api/orders';
+
 export default function Orders() {
-  return <main><h1>Mes commandes</h1></main>;
+  const [customerId, setCustomerId] = useState('');
+  const [paymentMethod, setPaymentMethod] = useState('CREDIT_CARD');
+  const [address, setAddress] = useState({ street: '', city: '', postalCode: '', country: '' });
+  const [lines, setLines] = useState([{ bookId: '', quantity: 1 }]);
+  const [message, setMessage] = useState(null);
+  const [submitting, setSubmitting] = useState(false);
+
+  function handleAddressChange(e) {
+    const { name, value } = e.target;
+    setAddress((prev) => ({ ...prev, [name]: value }));
+  }
+
+  function handleLineChange(index, field, value) {
+    setLines((prev) => prev.map((line, i) => (i === index ? { ...line, [field]: value } : line)));
+  }
+  function addLine() {
+    setLines((prev) => [...prev, { bookId: '', quantity: 1 }]);
+  }
+  function removeLine(index) {
+    setLines((prev) => prev.filter((_, i) => i !== index));
+  }
+
+  function handleSubmit(e) {
+    e.preventDefault();
+    setSubmitting(true);
+    setMessage(null);
+
+    const payload = {
+      customerId,
+      paymentMethod,
+      address,
+      orderLineDtos: lines.map((line) => ({
+        bookId: Number(line.bookId),
+        quantity: Number(line.quantity),
+      })),
+    };
+
+    createOrder(payload)
+      .then((response) => setMessage('Commande créée'))
+      .catch((error) => {
+        console.error(error);
+        setMessage(error.response?.data?.message || 'Erreur lors de la commande.');
+      })
+      .finally(() => setSubmitting(false));
+  }
+
+  return (
+    <main>
+      <h1>Passer une commande</h1>
+      <form onSubmit={handleSubmit}>
+        <label>ID client
+          <input value={customerId} onChange={(e) => setCustomerId(e.target.value)} required />
+        </label>
+
+        <h2>Livres</h2>
+        {lines.map((line, index) => (
+          <div key={index}>
+            <input type="number" placeholder="ISBN du livre" value={line.bookId}
+              onChange={(e) => handleLineChange(index, 'bookId', e.target.value)} required />
+            <input type="number" placeholder="Quantité" value={line.quantity}
+              onChange={(e) => handleLineChange(index, 'quantity', e.target.value)} required />
+            {lines.length > 1 && (
+              <button type="button" onClick={() => removeLine(index)}>Retirer</button>
+            )}
+          </div>
+        ))}
+        <button type="button" onClick={addLine}>+ Ajouter un livre</button>
+
+        <h2>Adresse de livraison</h2>
+        <input name="street" placeholder="Rue" value={address.street} onChange={handleAddressChange} required />
+        <input name="city" placeholder="Ville" value={address.city} onChange={handleAddressChange} required />
+        <input name="postalCode" placeholder="Code postal" value={address.postalCode} onChange={handleAddressChange} required />
+        <input name="country" placeholder="Pays" value={address.country} onChange={handleAddressChange} required />
+
+        <h2>Paiement</h2>
+        <select value={paymentMethod} onChange={(e) => setPaymentMethod(e.target.value)}>
+          <option value="CREDIT_CARD">Carte bancaire</option>
+        </select>
+
+        <button type="submit" disabled={submitting}>
+          {submitting ? 'Envoi…' : 'Valider la commande'}
+        </button>
+      </form>
+      {message && <p>{message}</p>}
+    </main>
+  );
 }