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{ Hono } from \"https://esm.sh/hono@3.11.7\";\nimport { \n getCartItems, \n addToCart, \n updateCartItem, \n removeCartItem,\n getProductById\n} from \"../database/queries.ts\";\nimport { authMiddleware } from \"../middleware/auth.ts\";\nimport { \n ApiResponse, \n Cart, \n AddToCartRequest, \n UpdateCartItemRequest,\n UserResponse\n} from \"../../shared/types.ts\";\n\nconst cart = new Hono();\n\n// Apply authentication middleware to all cart routes\ncart.use(\"*\", authMiddleware);\n\n// Get user's cart\ncart.get(\"/\", async (c) => {\n try {\n const user = c.get(\"user\") as UserResponse;\n const cartItems = await getCartItems(user.id);\n \n // Calculate total price\n const totalPrice = cartItems.reduce((total, item) => {\n return total + (item.product?.price || 0) * item.quantity;\n }, 0);\n \n const cart: Cart = {\n items: cartItems,\n totalPrice\n };\n \n return c.json({\n success: true,\n data: cart\n } as ApiResponse);\n } catch (error) {\n console.error(\"Error fetching cart:\", error);\n return c.json({\n success: false,\n error: \"Failed to fetch cart\"\n } as ApiResponse, 500);\n }\n});\n\n// Add item to cart\ncart.post(\"/\", async (c) => {\n try {\n const user = c.get(\"user\") as UserResponse;\n const data = await c.req.json() as AddToCartRequest;\n const { productId, quantity } = data;\n \n // Validate input\n if (!productId || !quantity || quantity <= 0) {\n return c.json({\n success: false,\n error: \"Valid product ID and quantity are required\"\n } as ApiResponse, 400);\n }\n \n // Check if product exists\n const product = await getProductById(productId);\n if (!product) {\n return c.json({\n success: false,\n error: \"Product not found\"\n } as ApiResponse, 404);\n }\n \n // Check if product is in stock\n if (product.stock < quantity) {\n return c.json({\n success: false,\n error: \"Not enough stock available\"\n } as ApiResponse, 400);\n }\n \n // Add to cart\n await addToCart(user.id, productId, quantity);\n \n // Get updated cart\n const cartItems = await getCartItems(user.id);\n const totalPrice = cartItems.reduce((total, item) => {\n return total + (item.product?.price || 0) * item.quantity;\n }, 0);\n \n return c.json({\n success: true,\n data: {\n items: cartItems,\n totalPrice\n }\n } as ApiResponse, 201);\n } catch (error) {\n console.error(\"Error adding to cart:\", error);\n return c.json({\n success: false,\n error: \"Failed to add item to cart\"\n } as ApiResponse, 500);\n }\n});\n\n// Update cart item quantity\ncart.put(\"/:itemId\", async (c) => {\n try {\n const user = c.get(\"user\") as UserResponse;\n const itemId = parseInt(c.req.param(\"itemId\"));\n const data = await c.req.json() as UpdateCartItemRequest;\n const { quantity } = data;\n \n // Validate input\n if (isNaN(itemId) || !quantity || quantity <= 0) {\n return c.json({\n success: false,\n error: \"Valid item ID and quantity are required\"\n } as ApiResponse, 400);\n }\n \n // Update cart item\n const updated = await updateCartItem(itemId, user.id, quantity);\n \n if (!updated) {\n return c.json({\n success: false,\n error: \"Cart item not found\"\n } as ApiResponse, 404);\n }\n \n // Get updated cart\n const cartItems = await getCartItems(user.id);\n const totalPrice = cartItems.reduce((total, item) => {\n return total + (item.product?.price || 0) * item.quantity;\n }, 0);\n \n return c.json({\n success: true,\n data: {\n items: cartItems,\n totalPrice\n }\n } as ApiResponse);\n } catch (error) {\n console.error(\"Error updating cart item:\", error);\n return c.json({\n success: false,\n error: \"Failed to update cart item\"\n } as ApiResponse, 500);\n }\n});\n\n// Remove item from cart\ncart.delete(\"/:itemId\", async (c) => {\n try {\n const user = c.get(\"user\") as UserResponse;\n const itemId = parseInt(c.req.param(\"itemId\"));\n \n // Validate input\n if (isNaN(itemId)) {\n return c.json({\n success: false,\n error: \"Valid item ID is required\"\n } as ApiResponse, 400);\n }\n \n // Remove cart item\n const removed = await removeCartItem(itemId, user.id);\n \n if (!removed) {\n return c.json({\n success: false,\n error: \"Cart item not found\"\n } as ApiResponse, 404);\n }\n \n // Get updated cart\n const cartItems = await getCartItems(user.id);\n const totalPrice = cartItems.reduce((total, item) => {\n return total + (item.product?.price || 0) * item.quantity;\n }, 0);\n \n return c.json({\n success: true,\n data: {\n items: cartItems,\n totalPrice\n }\n } as ApiResponse);\n } catch (error) {\n console.error(\"Error removing cart item:\", error);\n return c.json({\n success: false,\n error: \"Failed to remove cart item\"\n } as ApiResponse, 500);\n }\n});\n\nexport default cart;","deleted","label",[169,170,152],"backend","routes","permalink","https://www.val.town/x/hails/cosmoye/code/backend/routes/cart.ts","extension","actionData","errors"]