Ajout de Promotion et de Commande fonctionnel

src/App.css

@@ -593,3 +593,206 @@
   flex-wrap: wrap;
   gap: 0.5rem;
 }
+
+.page-title {
+  font-family: var(--font-display);
+  margin: 0 0 0.5rem;
+  color: var(--ink);
+}
+
+.page-lead {
+  margin: 0 0 1.25rem;
+  color: var(--ink-muted);
+  max-width: 60ch;
+}
+
+.form-error {
+  color: var(--danger);
+  margin: 0 0 1rem;
+}
+
+.form-notice {
+  margin: 0 0 1rem;
+  color: var(--ink);
+}
+
+.order-grid,
+.promo-grid {
+  display: grid;
+  grid-template-columns: 1.2fr 0.8fr;
+  gap: 1.25rem;
+  align-items: start;
+}
+
+@media (max-width: 900px) {
+  .order-grid,
+  .promo-grid {
+    grid-template-columns: 1fr;
+  }
+}
+
+.order-panel {
+  background: var(--card);
+  border: 1px solid var(--border);
+  border-radius: var(--radius);
+  padding: 1rem 1.1rem;
+  box-shadow: var(--shadow);
+}
+
+.panel-title {
+  font-family: var(--font-display);
+  margin: 0 0 0.75rem;
+  font-size: 1.1rem;
+}
+
+.order-catalog,
+.promo-list,
+.order-summary {
+  list-style: none;
+  padding: 0;
+  margin: 0;
+  display: flex;
+  flex-direction: column;
+  gap: 0.6rem;
+}
+
+.order-catalog-item,
+.promo-item {
+  border: 1px solid var(--border);
+  border-radius: 12px;
+  padding: 0.75rem 0.85rem;
+  background: var(--paper);
+}
+
+.order-catalog-main,
+.promo-item-main {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 1rem;
+}
+
+.order-book-title,
+.promo-code {
+  margin: 0;
+  font-weight: 700;
+}
+
+.order-book-meta,
+.promo-meta {
+  margin: 0.2rem 0 0;
+  color: var(--ink-muted);
+  font-size: 0.9rem;
+}
+
+.qty {
+  display: grid;
+  gap: 0.25rem;
+  align-items: center;
+  justify-items: end;
+}
+
+.qty-label {
+  font-size: 0.75rem;
+  color: var(--ink-muted);
+  text-transform: uppercase;
+  letter-spacing: 0.04em;
+}
+
+.qty input,
+.promo-input,
+.promo-form input {
+  font: inherit;
+  padding: 0.45rem 0.55rem;
+  border: 1px solid var(--border);
+  border-radius: 10px;
+  background: var(--card);
+  color: var(--ink);
+  width: 7rem;
+}
+
+.promo-input {
+  width: 100%;
+}
+
+.order-summary-item {
+  display: flex;
+  justify-content: space-between;
+  gap: 1rem;
+  color: var(--ink);
+}
+
+.promo-box {
+  margin: 1rem 0;
+  padding: 0.9rem;
+  border-radius: 12px;
+  border: 1px solid var(--border);
+  background: var(--paper);
+}
+
+.promo-label {
+  display: grid;
+  gap: 0.35rem;
+  font-size: 0.8rem;
+  font-weight: 700;
+  text-transform: uppercase;
+  letter-spacing: 0.04em;
+  color: var(--ink-muted);
+}
+
+.promo-hint {
+  margin: 0.55rem 0 0;
+  font-size: 0.9rem;
+  color: var(--ink-muted);
+}
+
+.promo-warn {
+  margin: 0.55rem 0 0;
+  color: var(--danger);
+}
+
+.promo-ok {
+  margin: 0.55rem 0 0;
+}
+
+.totals {
+  border-top: 1px solid var(--border);
+  padding-top: 0.9rem;
+  margin-top: 0.9rem;
+  margin-bottom: 0.9rem;
+}
+
+.totals-row {
+  display: flex;
+  justify-content: space-between;
+  margin: 0.25rem 0;
+  color: var(--ink-muted);
+}
+
+.totals-row.total {
+  color: var(--ink);
+  font-weight: 800;
+  margin-top: 0.6rem;
+}
+
+.promo-form {
+  display: grid;
+  gap: 0.75rem;
+}
+
+.promo-form label {
+  display: grid;
+  gap: 0.35rem;
+  font-size: 0.8rem;
+  font-weight: 700;
+  text-transform: uppercase;
+  letter-spacing: 0.04em;
+  color: var(--ink-muted);
+}
+
+.promo-actions {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 0.35rem;
+  justify-content: flex-end;
+}

src/App.jsx

@@ -1,7 +1,9 @@
 import { Route, Routes } from 'react-router-dom'
 import { RootLayout } from './layout/RootLayout.jsx'
 import BookDetailPage from './pages/BookDetailPage.jsx'
+import CommandePage from './pages/CommandePage.jsx'
 import MesLivresPage from './pages/MesLivresPage.jsx'
+import PromotionsPage from './pages/PromotionsPage.jsx'
 import SearchPage from './pages/SearchPage.jsx'
 import './App.css'
 
@@ -11,6 +13,8 @@ export default function App() {
       <Route path="/" element={<RootLayout />}>
         <Route index element={<MesLivresPage />} />
         <Route path="recherche" element={<SearchPage />} />
+        <Route path="commande" element={<CommandePage />} />
+        <Route path="promotions" element={<PromotionsPage />} />
         <Route path=":id" element={<BookDetailPage />} />
       </Route>
     </Routes>

src/components/BookForm.jsx

@@ -5,6 +5,7 @@ const emptyForm = () => ({
   author: '',
   year: new Date().getFullYear(),
   genre: '',
+  price: 10,
   read: false,
 })
 
@@ -71,6 +72,22 @@ export function BookForm({ onSubmit }) {
             placeholder="Roman, essai…"
           />
         </label>
+        <label>
+          Prix (€)
+          <input
+            type="number"
+            min={0}
+            step="0.5"
+            value={form.price}
+            onChange={(e) =>
+              setForm((f) => ({
+                ...f,
+                price: Number(e.target.value),
+              }))
+            }
+            placeholder="Ex. 12.5"
+          />
+        </label>
       </div>
       <label className="checkbox-row">
         <input

src/components/BookList.jsx

@@ -76,7 +76,9 @@ export function BookList({
                 </Link>
               </h3>
               <p className="author">{book.author}</p>
-              <p className="year">{book.year}</p>
+              <p className="year">
+                {book.year} · {Number(book.price ?? 10).toFixed(2)} €
+              </p>
               <div className="card-actions">
                 <button
                   type="button"

src/context/BooksContext.jsx

@@ -15,6 +15,7 @@ const demoBooks = [
     author: 'Antoine de Saint-Exupéry',
     year: 1943,
     genre: 'Conte',
+    price: 8.5,
     read: true,
   },
   {
@@ -23,16 +24,25 @@ const demoBooks = [
     author: 'George Orwell',
     year: 1949,
     genre: 'Science-fiction',
+    price: 9.9,
     read: false,
   },
 ]
 
+function normalizeBook(b) {
+  const price = Number(b?.price)
+  return {
+    ...b,
+    price: Number.isFinite(price) ? price : 10,
+  }
+}
+
 function loadBooks() {
   try {
     const raw = localStorage.getItem(STORAGE_KEY)
     if (raw === null) return demoBooks
     const parsed = JSON.parse(raw)
-    return Array.isArray(parsed) ? parsed : demoBooks
+    return Array.isArray(parsed) ? parsed.map(normalizeBook) : demoBooks
   } catch {
     return demoBooks
   }
@@ -54,7 +64,7 @@ export function BooksProvider({ children }) {
   /** Équivalent métier d’un POST /api/books (ici : persistance locale + id généré). */
   const postBook = useCallback((book) => {
     const id = crypto.randomUUID()
-    setBooks((prev) => [...prev, { ...book, id }])
+    setBooks((prev) => [...prev, normalizeBook({ ...book, id })])
   }, [])
 
   const removeBook = useCallback((id) => {

src/context/OrdersContext.jsx

@@ -0,0 +1,113 @@
+import {
+  createContext,
+  useCallback,
+  useContext,
+  useEffect,
+  useMemo,
+  useState,
+} from 'react'
+
+const STORAGE_KEY = 'librairie-orders'
+
+function loadOrders() {
+  try {
+    const raw = localStorage.getItem(STORAGE_KEY)
+    if (raw === null) return []
+    const parsed = JSON.parse(raw)
+    return Array.isArray(parsed) ? parsed : []
+  } catch {
+    return []
+  }
+}
+
+function saveOrders(orders) {
+  localStorage.setItem(STORAGE_KEY, JSON.stringify(orders))
+}
+
+function round2(n) {
+  return Math.round((Number(n) + Number.EPSILON) * 100) / 100
+}
+
+function calcSubtotal(items) {
+  return round2(
+    items.reduce((sum, it) => sum + Number(it.unitPrice) * Number(it.qty), 0),
+  )
+}
+
+function calcDiscount({ subtotal, promotion }) {
+  if (!promotion) return 0
+  if (promotion.type === 'percent') {
+    const pct = Number(promotion.value)
+    if (!Number.isFinite(pct) || pct <= 0) return 0
+    return round2((subtotal * pct) / 100)
+  }
+  return 0
+}
+
+const OrdersContext = createContext(null)
+
+export function OrdersProvider({ children }) {
+  const [orders, setOrders] = useState(loadOrders)
+
+  useEffect(() => {
+    saveOrders(orders)
+  }, [orders])
+
+  /**
+   * Équivalent local d’un POST /api/orders.
+   * orderDraft: { items: [{ bookId, title, unitPrice, qty }], promotion?: { code, type, value } }
+   */
+  const createOrder = useCallback((orderDraft) => {
+    const items = Array.isArray(orderDraft?.items) ? orderDraft.items : []
+    const cleaned = items
+      .map((it) => ({
+        bookId: String(it.bookId),
+        title: String(it.title || ''),
+        unitPrice: Number(it.unitPrice),
+        qty: Math.max(0, Math.trunc(Number(it.qty) || 0)),
+      }))
+      .filter((it) => it.bookId && it.qty > 0 && Number.isFinite(it.unitPrice))
+
+    if (cleaned.length === 0) {
+      throw new Error('Aucun article dans la commande')
+    }
+
+    const subtotal = calcSubtotal(cleaned)
+    const promotion = orderDraft?.promotion
+      ? {
+          code: String(orderDraft.promotion.code || ''),
+          type: String(orderDraft.promotion.type || 'percent'),
+          value: Number(orderDraft.promotion.value),
+        }
+      : null
+    const discount = calcDiscount({ subtotal, promotion })
+    const total = round2(Math.max(0, subtotal - discount))
+
+    const order = {
+      id: crypto.randomUUID(),
+      createdAt: new Date().toISOString(),
+      items: cleaned,
+      promotion: promotion && promotion.code ? promotion : null,
+      subtotal,
+      discount,
+      total,
+    }
+
+    setOrders((prev) => [order, ...prev])
+    return order
+  }, [])
+
+  const value = useMemo(() => ({ orders, createOrder }), [orders, createOrder])
+
+  return <OrdersContext.Provider value={value}>{children}</OrdersContext.Provider>
+}
+
+// eslint-disable-next-line react-refresh/only-export-components
+export function useOrders() {
+  const ctx = useContext(OrdersContext)
+  if (!ctx) {
+    throw new Error('useOrders doit être utilisé dans un OrdersProvider')
+  }
+  return ctx
+}
+

src/context/PromotionsContext.jsx

@@ -0,0 +1,122 @@
+import {
+  createContext,
+  useCallback,
+  useContext,
+  useEffect,
+  useMemo,
+  useState,
+} from 'react'
+
+const STORAGE_KEY = 'librairie-promotions'
+
+function loadPromotions() {
+  try {
+    const raw = localStorage.getItem(STORAGE_KEY)
+    if (raw === null) return []
+    const parsed = JSON.parse(raw)
+    return Array.isArray(parsed) ? parsed : []
+  } catch {
+    return []
+  }
+}
+
+function savePromotions(promotions) {
+  localStorage.setItem(STORAGE_KEY, JSON.stringify(promotions))
+}
+
+function normalizeCode(code) {
+  return String(code || '')
+    .trim()
+    .toUpperCase()
+    .replace(/\s+/g, '')
+}
+
+const PromotionsContext = createContext(null)
+
+export function PromotionsProvider({ children }) {
+  const [promotions, setPromotions] = useState(loadPromotions)
+
+  useEffect(() => {
+    savePromotions(promotions)
+  }, [promotions])
+
+  const createPromotion = useCallback((promo) => {
+    const code = normalizeCode(promo.code)
+    const value = Number(promo.value)
+    if (!code) throw new Error('Code promo invalide')
+    if (!Number.isFinite(value) || value <= 0) {
+      throw new Error('Valeur de promo invalide')
+    }
+
+    setPromotions((prev) => {
+      if (prev.some((p) => p.code === code)) {
+        throw new Error('Ce code promo existe déjà')
+      }
+      return [
+        ...prev,
+        {
+          id: crypto.randomUUID(),
+          code,
+          type: 'percent',
+          value,
+          active: true,
+          createdAt: new Date().toISOString(),
+        },
+      ]
+    })
+  }, [])
+
+  const setPromotionActive = useCallback((code, active) => {
+    const normalized = normalizeCode(code)
+    setPromotions((prev) =>
+      prev.map((p) => (p.code === normalized ? { ...p, active } : p)),
+    )
+  }, [])
+
+  const removePromotion = useCallback((code) => {
+    const normalized = normalizeCode(code)
+    setPromotions((prev) => prev.filter((p) => p.code !== normalized))
+  }, [])
+
+  const getActivePromotionByCode = useCallback(
+    (code) => {
+      const normalized = normalizeCode(code)
+      return promotions.find((p) => p.code === normalized && p.active) || null
+    },
+    [promotions],
+  )
+
+  const value = useMemo(
+    () => ({
+      promotions,
+      createPromotion,
+      removePromotion,
+      setPromotionActive,
+      getActivePromotionByCode,
+      normalizeCode,
+    }),
+    [
+      promotions,
+      createPromotion,
+      removePromotion,
+      setPromotionActive,
+      getActivePromotionByCode,
+    ],
+  )
+
+  return (
+    <PromotionsContext.Provider value={value}>
+      {children}
+    </PromotionsContext.Provider>
+  )
+}
+
+// eslint-disable-next-line react-refresh/only-export-components
+export function usePromotions() {
+  const ctx = useContext(PromotionsContext)
+  if (!ctx) {
+    throw new Error('usePromotions doit être utilisé dans un PromotionsProvider')
+  }
+  return ctx
+}
+

src/layout/RootLayout.jsx

@@ -31,6 +31,22 @@ export function RootLayout() {
             >
               Recherche (Axios)
             </NavLink>
+            <NavLink
+              to="/commande"
+              className={({ isActive }) =>
+                isActive ? 'nav-link active' : 'nav-link'
+              }
+            >
+              Commande
+            </NavLink>
+            <NavLink
+              to="/promotions"
+              className={({ isActive }) =>
+                isActive ? 'nav-link active' : 'nav-link'
+              }
+            >
+              Promotions
+            </NavLink>
           </nav>
         </div>
       </header>

src/main.jsx

@@ -2,15 +2,21 @@ import { StrictMode } from 'react'
 import { createRoot } from 'react-dom/client'
 import { BrowserRouter } from 'react-router-dom'
 import { BooksProvider } from './context/BooksContext.jsx'
+import { OrdersProvider } from './context/OrdersContext.jsx'
+import { PromotionsProvider } from './context/PromotionsContext.jsx'
 import App from './App.jsx'
 import './index.css'
 
 createRoot(document.getElementById('root')).render(
   <StrictMode>
     <BrowserRouter>
-      <BooksProvider>
-        <App />
-      </BooksProvider>
+      <PromotionsProvider>
+        <OrdersProvider>
+          <BooksProvider>
+            <App />
+          </BooksProvider>
+        </OrdersProvider>
+      </PromotionsProvider>
     </BrowserRouter>
   </StrictMode>,
 )

src/pages/BookDetailPage.jsx

@@ -38,6 +38,10 @@ export default function BookDetailPage() {
           <dt>Année</dt>
           <dd>{book.year}</dd>
         </div>
+        <div>
+          <dt>Prix</dt>
+          <dd>{Number(book.price ?? 10).toFixed(2)} €</dd>
+        </div>
         {book.genre ? (
           <div>
             <dt>Genre</dt>

src/pages/CommandePage.jsx

@@ -0,0 +1,211 @@
+import { useMemo, useState } from 'react'
+import { useBooks } from '../context/BooksContext.jsx'
+import { useOrders } from '../context/OrdersContext.jsx'
+import { usePromotions } from '../context/PromotionsContext.jsx'
+
+function formatEUR(amount) {
+  const n = Number(amount) || 0
+  return new Intl.NumberFormat('fr-FR', {
+    style: 'currency',
+    currency: 'EUR',
+    maximumFractionDigits: 2,
+  }).format(n)
+}
+
+function toQtyMap(items) {
+  const map = new Map()
+  for (const it of items) map.set(it.bookId, it.qty)
+  return map
+}
+
+export default function CommandePage() {
+  const { books } = useBooks()
+  const { createOrder } = useOrders()
+  const { getActivePromotionByCode, normalizeCode } = usePromotions()
+
+  const [qtyByBookId, setQtyByBookId] = useState(() => ({}))
+  const [promoInput, setPromoInput] = useState('')
+  const [notice, setNotice] = useState(null)
+  const [error, setError] = useState(null)
+
+  const items = useMemo(() => {
+    return books
+      .map((b) => {
+        const qty = Math.max(0, Math.trunc(Number(qtyByBookId[b.id]) || 0))
+        const unitPrice = Number(b.price)
+        return {
+          bookId: b.id,
+          title: b.title,
+          unitPrice: Number.isFinite(unitPrice) ? unitPrice : 10,
+          qty,
+        }
+      })
+      .filter((it) => it.qty > 0)
+  }, [books, qtyByBookId])
+
+  const subtotal = useMemo(() => {
+    return items.reduce((sum, it) => sum + it.unitPrice * it.qty, 0)
+  }, [items])
+
+  const promo = useMemo(() => {
+    const code = normalizeCode(promoInput)
+    if (!code) return null
+    return getActivePromotionByCode(code)
+  }, [promoInput, getActivePromotionByCode, normalizeCode])
+
+  const discount = useMemo(() => {
+    if (!promo) return 0
+    return (subtotal * promo.value) / 100
+  }, [promo, subtotal])
+
+  const total = useMemo(
+    () => Math.max(0, subtotal - discount),
+    [subtotal, discount],
+  )
+
+  function setQty(bookId, nextQty) {
+    setQtyByBookId((prev) => ({ ...prev, [bookId]: nextQty }))
+  }
+
+  function handleSubmit() {
+    setError(null)
+    setNotice(null)
+    try {
+      const order = createOrder({
+        items,
+        promotion: promo
+          ? { code: promo.code, type: promo.type, value: promo.value }
+          : null,
+      })
+      setQtyByBookId({})
+      setPromoInput('')
+      const map = toQtyMap(order.items)
+      setNotice(
+        `Commande ${order.id.slice(0, 8)} créée (${map.size} livre${
+          map.size > 1 ? 's' : ''
+        }). Total: ${formatEUR(order.total)}.`,
+      )
+    } catch (e) {
+      setError(e?.message || 'Impossible de créer la commande.')
+    }
+  }
+
+  return (
+    <div className="commande-page">
+      <h2 className="page-title">Passer une commande</h2>
+      <p className="page-lead">
+        Équivalent local de <code>POST /api/orders</code> (aucun backend).
+      </p>
+
+      {error ? (
+        <p className="form-error" role="alert">
+          {error}
+        </p>
+      ) : null}
+      {notice ? <p className="form-notice">{notice}</p> : null}
+
+      {books.length === 0 ? (
+        <p className="empty-state">
+          Aucun livre dans le catalogue. Ajoute un livre dans “Mes livres”
+          d’abord.
+        </p>
+      ) : (
+        <div className="order-grid">
+          <section className="order-panel">
+            <h3 className="panel-title">Catalogue</h3>
+            <ul className="order-catalog">
+              {books.map((b) => (
+                <li key={b.id} className="order-catalog-item">
+                  <div className="order-catalog-main">
+                    <div>
+                      <p className="order-book-title">{b.title}</p>
+                      <p className="order-book-meta">
+                        {b.author} · {formatEUR(b.price ?? 10)}
+                      </p>
+                    </div>
+                    <label className="qty">
+                      <span className="qty-label">Qté</span>
+                      <input
+                        type="number"
+                        min={0}
+                        step={1}
+                        value={qtyByBookId[b.id] ?? 0}
+                        onChange={(e) => setQty(b.id, e.target.value)}
+                        aria-label={`Quantité pour ${b.title}`}
+                      />
+                    </label>
+                  </div>
+                </li>
+              ))}
+            </ul>
+          </section>
+
+          <aside className="order-panel">
+            <h3 className="panel-title">Récapitulatif</h3>
+            {items.length === 0 ? (
+              <p className="empty-state">
+                Sélectionne au moins un livre (quantité &gt; 0).
+              </p>
+            ) : (
+              <ul className="order-summary">
+                {items.map((it) => (
+                  <li key={it.bookId} className="order-summary-item">
+                    <span>
+                      {it.title} × {it.qty}
+                    </span>
+                    <span>{formatEUR(it.unitPrice * it.qty)}</span>
+                  </li>
+                ))}
+              </ul>
+            )}
+
+            <div className="promo-box">
+              <label className="promo-label">
+                Code promo
+                <input
+                  className="promo-input"
+                  placeholder="Ex. BUT10"
+                  value={promoInput}
+                  onChange={(e) => setPromoInput(e.target.value)}
+                />
+              </label>
+              <p className="promo-hint">
+                Équivalent local de <code>POST /api/promotions</code> (créées dans
+                “Promotions”).
+              </p>
+              {promoInput.trim() && !promo ? (
+                <p className="promo-warn">Code invalide ou inactif.</p>
+              ) : null}
+              {promo ? (
+                <p className="promo-ok">
+                  Promo appliquée : <strong>{promo.code}</strong> (−{promo.value}
+                  %)
+                </p>
+              ) : null}
+            </div>
+
+            <div className="totals">
+              <div className="totals-row">
+                <span>Sous-total</span>
+                <span>{formatEUR(subtotal)}</span>
+              </div>
+              <div className="totals-row">
+                <span>Remise</span>
+                <span>−{formatEUR(discount)}</span>
+              </div>
+              <div className="totals-row total">
+                <span>Total</span>
+                <span>{formatEUR(total)}</span>
+              </div>
+            </div>
+
+            <button type="button" className="btn primary" onClick={handleSubmit}>
+              Passer commande (POST)
+            </button>
+          </aside>
+        </div>
+      )}
+    </div>
+  )
+}
+

src/pages/PromotionsPage.jsx

@@ -0,0 +1,118 @@
+import { useMemo, useState } from 'react'
+import { usePromotions } from '../context/PromotionsContext.jsx'
+
+export default function PromotionsPage() {
+  const { promotions, createPromotion, removePromotion, setPromotionActive } =
+    usePromotions()
+
+  const [code, setCode] = useState('')
+  const [value, setValue] = useState(10)
+  const [notice, setNotice] = useState(null)
+  const [error, setError] = useState(null)
+
+  const sorted = useMemo(() => {
+    return [...promotions].sort((a, b) => {
+      if (a.active !== b.active) return a.active ? -1 : 1
+      return String(a.code).localeCompare(String(b.code))
+    })
+  }, [promotions])
+
+  function handleSubmit(e) {
+    e.preventDefault()
+    setError(null)
+    setNotice(null)
+    try {
+      createPromotion({ code, value })
+      setNotice('Promotion créée.')
+      setCode('')
+      setValue(10)
+    } catch (err) {
+      setError(err?.message || 'Impossible de créer la promotion.')
+    }
+  }
+
+  return (
+    <div className="promotions-page">
+      <h2 className="page-title">Promotions</h2>
+      <p className="page-lead">
+        Équivalent local de <code>POST /api/promotions</code> (aucun backend).
+      </p>
+
+      {error ? (
+        <p className="form-error" role="alert">
+          {error}
+        </p>
+      ) : null}
+      {notice ? <p className="form-notice">{notice}</p> : null}
+
+      <div className="promo-grid">
+        <section className="order-panel">
+          <h3 className="panel-title">Créer une promotion</h3>
+          <form className="promo-form" onSubmit={handleSubmit}>
+            <label>
+              Code
+              <input
+                value={code}
+                onChange={(e) => setCode(e.target.value)}
+                placeholder="Ex. BUT10"
+              />
+            </label>
+            <label>
+              Remise (%)
+              <input
+                type="number"
+                min={1}
+                max={90}
+                value={value}
+                onChange={(e) => setValue(Number(e.target.value) || 0)}
+              />
+            </label>
+            <button type="submit" className="btn primary">
+              Créer (POST)
+            </button>
+          </form>
+          <p className="promo-hint">
+            Astuce : le code est normalisé (majuscules, sans espaces).
+          </p>
+        </section>
+
+        <section className="order-panel">
+          <h3 className="panel-title">Promotions existantes</h3>
+          {sorted.length === 0 ? (
+            <p className="empty-state">Aucune promotion créée.</p>
+          ) : (
+            <ul className="promo-list">
+              {sorted.map((p) => (
+                <li key={p.id} className="promo-item">
+                  <div className="promo-item-main">
+                    <div>
+                      <p className="promo-code">{p.code}</p>
+                      <p className="promo-meta">−{p.value}%</p>
+                    </div>
+                    <div className="promo-actions">
+                      <button
+                        type="button"
+                        className="btn small"
+                        onClick={() => setPromotionActive(p.code, !p.active)}
+                      >
+                        {p.active ? 'Désactiver' : 'Activer'}
+                      </button>
+                      <button
+                        type="button"
+                        className="btn small danger"
+                        onClick={() => removePromotion(p.code)}
+                      >
+                        Supprimer
+                      </button>
+                    </div>
+                  </div>
+                </li>
+              ))}
+            </ul>
+          )}
+        </section>
+      </div>
+    </div>
+  )
+}
+

src/pages/SearchPage.jsx

@@ -15,6 +15,7 @@ function docToBookPayload(doc) {
         ? doc.first_publish_year
         : new Date().getFullYear(),
     genre: Array.isArray(doc.subject) ? doc.subject[0] : '',
+    price: 10,
     read: false,
   }
 }