def create_line_item(self, product, event, order):
quantity = event['rated_by_billing'][
'units'] + event['rated_by_billing']['units'] / 100
line_item = LineItem(product=product, quantity=quantity, order=order)
line_item.save()
return line_item
def add_to_cart(request, num=1):
if request.method == "POST":
food_id = request.POST['foodId']
food = Food.objects.get(id=food_id)
cart_session = request.session.get('cart', None)
# Lineitem save in cart
# session is empty
if not cart_session:
# 购物车中不存在物品的情况
cart = Cart()
li = LineItem()
li.food = food
li.unite_price = food.price
li.quantity = num
li.save()
cart.add_product(li, num)
else:
cart = pickle_load(cart_session)
has_food = False
for li in cart.items:
if li.food.id == food.id:
li.quantity += num
has_food = True
cart.total_price += food.price * num
if not has_food:
li = LineItem()
li.food = food
li.unite_price = food.price
li.quantity = num
li.save()
cart.add_product(li, num)
cart.total_price = round(cart.total_price, 2)
data = pickle_dump(cart)
request.session['cart'] = data
return HttpResponse(cart.total_price)
else:
logger.error('Get Request to add_to_cart')
return HttpResponse('request method err')
def route_order_create(name, description, buyer_id, seller_id, lineitems):
buyer = Company.query.filter(Company.id == buyer_id).first()
seller = Company.query.filter(Company.id == seller_id).first()
order_items = []
order = Order(
name=name,
description=description,
buyer=buyer,
seller=seller,
)
for l in lineitems:
item = LineItem(
quantity=l['quantity'], unit_price=l['unit_price'],
)
item.product = Product.query.filter(Product.id == l['product_id']).first()
order.products.append(item)
db.session.add(order)
db.session.commit()
db.session.refresh(order)
return order
def GetLineItemData(self):
lineItem = LineItem()
lineItem.type = "suit"
lineItem.quantity = 1
return lineItem
