def get_product(product_id):
product = Product.get(product_id)
if not product:
raise PoseidonError('Product Not Found')
sku = Sku.get_by_product(product_id)
product = serialize_model(product)
product.update(
**serialize_model(sku))
return product
def create_order(user_id):
cart_items = CartItem.get_by_user(user_id)
if not cart_items:
raise PoseidonError('Invalid Cart')
order_price = sum([i.price * i.quantity for i in cart_items])
order = Order.new(user_id, order_price)
for cart_item in cart_items:
sku_id = cart_item.sku_id
sku = Sku.get(sku_id)
# one match one
product_id = sku_id
product = Product.get(product_id)
if not sku:
raise PoseidonError('Invalid sku')
item_price = cart_item.price * cart_item.quantity
OrderItem.new(order_id=order.id,
user_id=user_id,
item_name=product.name,
item_quantity=cart_item.quantity,
item_price=item_price)
CartItem.mremove(user_id, [item.id for item in cart_items])
def create_product(number):
for pid in range(1, number + 1):
name = u"我是商品{}".format(pid)
description = u"编号:{}".format(pid)
Product.new(name=name, description=description)
def get_chunk(offset, limit):
products = Product.chunk(offset, limit)
return map(serialize_model, products)
