本文整理匯總了Python中models.order.Order.save方法的典型用法代碼示例。如果您正苦於以下問題：Python Order.save方法的具體用法？Python Order.save怎麽用？Python Order.save使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類models.order.Order的用法示例。
在下文中一共展示了Order.save方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: post
# 需要導入模塊: from models.order import Order [as 別名]
# 或者: from models.order.Order import save [as 別名]
def post(self, request):
# 添加訂單
try:
customer = request.u
note = request.json.get("note")
delivery_information_id = request.json.get("delivery_information_id")
store_id = request.json.get("store_id")
food_list = request.json.get("food_list")
store = Store.objects.get(id=store_id)
total_price = 0
if not all([food_list, delivery_information_id, store]):
return JsonErrorResponse("food_list, delivery_information_id, store_id are needed", 400)
# 檢查food_list
assert isinstance(food_list, list) and len(food_list) > 0, "food_list format wrong"
# 檢查庫存+計算價格
for order_food in food_list:
food = store.foods.get(id=order_food['food_id'])
food_count = int(order_food['count'])
total_price += food.price * food_count
assert food.stock > food_count, "food stock is not enough"
# 檢查收貨信息
delivery_information = customer.delivery_informations.get(id=delivery_information_id)
# 檢查賬戶類型
assert request.account_type == "customer", "only customer can make order"
# 創建order
new_order = Order(
note=note,
total_price=total_price,
customer=customer,
store=store,
delivery_information=delivery_information
)
new_order.save()
# 減少庫存，創建order_food
for order_food in food_list:
food = store.foods.get(id=order_food['food_id'])
food_count = int(order_food['count'])
new_stock = food.stock - food_count
store.foods.filter(id=order_food['food_id']).update(stock=new_stock)
OrderFood(
count=food_count,
food=food,
order=new_order
).save()
except Exception, e:
print e
return JsonErrorResponse("Fail:" + e.message)