Gérer les retours de livres par l'admin

my-library/src/context/ReturnContext.js

@@ -0,0 +1,36 @@
+import { createContext, useContext, useState } from 'react';
+
+const ReturnContext = createContext(null);
+
+export function ReturnProvider({ children }) {
+  const [returns, setReturns] = useState(() => {
+    const saved = localStorage.getItem('returns');
+    return saved ? JSON.parse(saved) : [];
+  });
+
+  function addReturn(bookId, bookTitle, customerPhone, reason) {
+    const bookReturn = {
+      returnId: crypto.randomUUID(),
+      bookId,
+      bookTitle,
+      customerPhone,
+      reason,
+      status: 'PROCESSED',
+      returnedAt: new Date().toISOString(),
+    };
+    const updated = [...returns, bookReturn];
+    setReturns(updated);
+    localStorage.setItem('returns', JSON.stringify(updated));
+    return bookReturn;
+  }
+
+  return (
+    <ReturnContext.Provider value={{ returns, addReturn }}>
+      {children}
+    </ReturnContext.Provider>
+  );
+}
+
+export function useReturns() {
+  return useContext(ReturnContext);
+}