тут нихуя не работает, ебаный рот этого казино

frontend/style/contexts/cart-context.tsx

@@ -0,0 +1,99 @@
+"use client"
+
+import React, { createContext, useContext, useState, useCallback, useEffect } from 'react'
+import { CartItem, saveCart, getCart, clearCart } from '@/lib/cartStorage'
+
+type CartContextType = {
+  items: CartItem[]
+  addToCart: (item: Omit<CartItem, 'quantity'>) => void
+  removeFromCart: (id: number) => void
+  removeAllFromCart: (id: number) => void
+  updateQuantity: (id: number, quantity: number) => void
+  clearCart: () => void
+  getTotalItems: () => number
+}
+
+const CartContext = createContext<CartContextType | undefined>(undefined)
+
+export const useCart = () => {
+  const context = useContext(CartContext)
+  if (!context) {
+    throw new Error('useCart must be used within a CartProvider')
+  }
+  return context
+}
+
+export const CartProvider: React.FC<{ children: React.ReactNode }> = ({ children }) => {
+  const [items, setItems] = useState<CartItem[]>([])
+
+  useEffect(() => {
+    const savedCart = getCart()
+    if (savedCart.length > 0) {
+      setItems(savedCart)
+    }
+  }, [])
+
+  useEffect(() => {
+    saveCart(items)
+  }, [items])
+
+  const addToCart = useCallback((newItem: Omit<CartItem, 'quantity'>) => {
+    setItems(currentItems => {
+      const existingItem = currentItems.find(item => item.id === newItem.id)
+      if (existingItem) {
+        return currentItems.map(item =>
+          item.id === newItem.id ? { ...item, quantity: item.quantity + 1 } : item
+        )
+      }
+      return [...currentItems, { ...newItem, quantity: 1 }]
+    })
+  }, [])
+
+  const removeFromCart = useCallback((id: number) => {
+    setItems(currentItems => {
+      const existingItem = currentItems.find(item => item.id === id)
+      if (existingItem && existingItem.quantity > 1) {
+        return currentItems.map(item =>
+          item.id === id ? { ...item, quantity: item.quantity - 1 } : item
+        )
+      }
+      return currentItems.filter(item => item.id !== id)
+    })
+  }, [])
+
+  const removeAllFromCart = useCallback((id: number) => {
+    setItems(currentItems => currentItems.filter(item => item.id !== id))
+  }, [])
+
+  const updateQuantity = useCallback((id: number, quantity: number) => {
+    setItems(currentItems => 
+      currentItems.map(item => 
+        item.id === id ? { ...item, quantity: Math.max(1, quantity) } : item
+      )
+    )
+  }, [])
+
+  const clearCartItems = useCallback(() => {
+    setItems([])
+    clearCart()
+  }, [])
+
+  const getTotalItems = useCallback(() => {
+    return items.reduce((total, item) => total + item.quantity, 0)
+  }, [items])
+
+  return (
+    <CartContext.Provider value={{ 
+      items, 
+      addToCart, 
+      removeFromCart, 
+      removeAllFromCart, 
+      updateQuantity, 
+      clearCart: clearCartItems, 
+      getTotalItems 
+    }}>
+      {children}
+    </CartContext.Provider>
+  )
+}
+