def cart(request):
""" 我的购物车 """
user = request.user
# 购物车中的商品列表
prod_list = user.carts.filter(status=constants.ORDER_STATUS_INIT)
if request.method == 'POST':
# 提交订单
# 1.保存用户的地址快照
default_addr = user.default_addr
if not default_addr:
# 消息通知
messages.warning(request, '请选择地址信息')
return redirect('accounts:address_list')
# 计算订单总额
cart_total = prod_list.aggregate(sum_amount=Sum('amount'),
sum_count=Sum('count'))
order = Order.objects.create(user=user,
sn=tools.gen_trans_id(),
buy_amount=cart_total['sum_amount'],
buy_count=cart_total['sum_count'],
to_user=default_addr.username,
to_area=default_addr.get_region_format(),
to_address=default_addr.address,
to_phone=default_addr.phone)
# 2.修改购物车的商品状态 已提交
# 3.生成订单，关联到购物车
prod_list.update(status=constants.ORDER_STATUS_SUBMIT, order=order)
# 4.跳转到订单详情
messages.success(request, '下单成功,请支付')
return redirect('mine:order_detail', sn=order.sn)
return render(request, 'cart.html', {'prod_list': prod_list})
def cart(request):
# 我的购物车
user = request.user
cart_list = user.cart.filter(status=constant.ORDER_STATUS_INIT)
# 总金额
sum_amunt = cart_list.aggregate(sum_amunt=Sum('amount'))
if request.method == 'POST':
# 保存用户地址
# 修改购物车状态，生成订单
default_addr = user.default_addr
if not default_addr:
messages.warning(request, '请添加地址信息')
return redirect('accounts:user_address_list')
# 计算商品总数量，与总价
cart_total = cart_list.aggregate(sum_count=Sum('count'),
sum_amount=Sum('amount'))
order = Order.objects.create(sn=gen_trans_id(),
user=user,
buy_count=cart_total['sum_count'],
buy_amount=cart_total['sum_amount'],
to_user=default_addr.obj,
to_area=default_addr.get_regin_format(),
to_address=default_addr.address,
to_phone=default_addr.phone)
cart_list.update(status=constant.ORDER_STATUS_SUMBIT, order=order)
# 跳转到订单详情，并消息通知
messages.success(request, '下单成功，请支付')
return redirect('mine:order_detail', order.sn)
return render(request, 'shopcart.html', {
'cart_list': cart_list,
'sum_amunt': sum_amunt['sum_amunt']
})
def save(self, user, commit=False):
obj = super().save(commit=commit)
obj.user = user
# 生成订单号
obj.sn = tools.gen_trans_id()
# 计算价格
buy_count = self.cleaned_data['buy_count']
buy_amount = self.ticket.sell_price * buy_count
obj.buy_amount = buy_amount
obj.save()
# 扣减库存
self.ticket.remain_stock = F('remain_stock') - buy_count
self.ticket.save()
# 关联订单明细，保存快照
ctype = ContentType.objects.get_for_model(Ticket)
OrderItem.objects.create(
user=user,
order=obj,
flash_name=self.ticket.name,
flash_img=self.ticket.sight.main_img,
flash_price=self.ticket.sell_price,
flash_origin_price=self.ticket.price,
flash_discount=self.ticket.discount,
count=buy_count,
amount=buy_amount,
content_type=ctype,
object_id=self.ticket.id,
remark='出行时间:{}'.format(self.cleaned_data['play_date'])
)
return obj
def cart(request):
""" my shopping cart """
user = request.user
# List of items in my shopping cart
prod_list = user.carts.filter(status=constants.ORDER_STATUS_INIT)
# Aggregate query
if request.method == 'POST':
# Submit Order
# 1.Save a snapshot of the user's address
default_addr = user.default_addr
if not default_addr:
# notification
messages.warning(request, 'Please select address information')
return redirect('accounts:address_list')
# Order total calculation
cart_total = prod_list.aggregate(sum_amount=Sum('amount'),
sum_count=Sum('count'))
order = Order.objects.create(user=user,
sn=tools.gen_trans_id(),
buy_amount=cart_total['sum_amount'],
buy_count=cart_total['sum_count'],
to_user=default_addr.username,
to_area=default_addr.get_region_format(),
to_address=default_addr.address,
to_phone=default_addr.phone)
# 2.Modify the status in the cart
# 3.Generate order, connect to shopping cart
prod_list.update(status=constants.ORDER_STATUS_SUBMIT, order=order)
# 4.Jump to order details
messages.success(request, 'The order is successful, please pay')
return redirect('mine:order_detail', order.sn)
return render(request, 'cart.html', {'prod_list': prod_list})
def cart(request):
"""我的购物车"""
user = request.user
# 我购物车中的商品列表，user.carts是Cart模型中的user的related_name为carts
prod_list = user.carts.filter(status=constants.ORDER_STATUS_INIT)
if request.method == 'POST':
# 提交订单
# 1.保存用户的地址快照
default_addr = user.default_addr
if not default_addr:
# 消息通知
messages.warning(request, '请选择地址信息')
# 如果没有默认地址，跳转到另外一个页面，
return redirect('accounts:address_list')
# 订单总额计算
# 聚合查询
cart_total = prod_list.aggregate(sum_amount=Sum('amount'),
sum_count=Sum('count'))
# 创建一个订单
order = Order.objects.create(user=user,
sn=tools.gen_trans_id(),
buy_amount=cart_total['sum_amount'],
buy_count=cart_total['sum_count'],
to_user=default_addr.username,
to_area=default_addr.get_regin_format(),
to_address=default_addr.address,
to_phone=default_addr.phone)
prod_list.update(
# 2.修改购物车中的状态 已提交
status=constants.ORDER_STATUS_SUBMIT,
# 3.生成订单，关联到购物车
# 在mine模块下的购物车模型是关联到订单的
order=order)
# 4.跳转到订单详情
messages.success(request, '下单成功，请支付')
return redirect('mine:order_detail', order.sn)
return render(request, 'cart.html', {'prod_list': prod_list})
def cart(request):
user = request.user
prod_list = user.carts.filter(status=constants.ORDER_STATUS_INIT)
if request.method == 'POST':
default_addr = user.default_addr
if not default_addr:
messages.warning(request, '请选择地址信息')
return redirect('accounts:address_list')
cart_total = prod_list.aggregate(sum_amount=Sum('amount'),
sum_count=Sum('count'))
order = Order.objects.create(
user=user,
sn=tools.gen_trans_id(),
buy_amount=cart_total['sum_amount'],
buy_count=cart_total['sum_count'],
to_user=default_addr.username,
to_area=default_addr.get_region_format(),
to_address=default_addr.address,
to_phone=default_addr.phone,
)
prod_list.update(status=constants.ORDER_STATUS_SUBMIT, order=order)
messages.success(request, '下单成功，请支付！')
return redirect('mine:order_detail', order.sn)
return render(request, 'cart.html', {'prod_list': prod_list})