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| import time,uuid,datetime
from django.db import transaction
from django.http import JsonResponse, HttpResponse
from django.shortcuts import render, redirect
from user.models import TCar, TBook, TUser, TOrder, TAddress, TOrderItem
class Book:
def __init__(self, id, count):
book = TBook.objects.get(pk=id)
self.id = id
self.count = count
self.new_price = book.new_price
self.picture = book.picture
self.book_name = book.book_name
def totalprice(self):
return round(float(self.new_price) * float(self.count), 2)
class Car:
def __init__(self):
self.book_list = []
self.index = 0
def add_book(self, id, count=1):
book = self.get_book(id)
if book:
book.count = int(book.count) + int(count)
else:
book = Book(id=id, count=count)
self.book_list.append(book)
def get_book(self, id):
for book in self.book_list:
if book.id == id:
return book
def remove_book(self, id):
book = self.get_book(id)
self.book_list.remove(book)
def __iter__(self):
self.index = 0
return self
def __next__(self):
if self.index < len(self.book_list):
item = self.book_list[self.index]
self.index += 1
return item
else:
raise StopIteration
def __len__(self):
return len(self.book_list)
def rem_book(request):
book_id = request.GET.get("id")
car = request.session.get('car')
user_name = request.COOKIES.get('txtUsername')
user_pwd = request.COOKIES.get('txtPassword')
req = TUser.objects.filter(user_name=user_name, user_pwd=user_pwd)
if req:
id = TUser.objects.get(user_name=user_name)
try:
with transaction.atomic():
car = TCar.objects.filter(user_id=id)
book_item = TCar.objects.get(book_id=book_id)
print(book_item)
book_item.delete()
sum_price = 0
for i in car:
sum_price += round(float(i.book.new_price) * float(i.count), 2)
return JsonResponse({"error": 0, "msg": "删除成功", "sum_price": sum_price})
return JsonResponse({"error": 1, "msg": "删除失败"})
except Exception as e:
print(e)
return JsonResponse({"error": 1, "msg": "删除失败"})
else:
if car:
totalprice = 0
sum_price = 0
for i in car:
totalprice = round(float(i.new_price) * float(i.count), 2)
sum_price += round(float(i.new_price) * float(i.count), 2)
with transaction.atomic():
car.remove_book(book_id)
request.session['car'] = car
return JsonResponse({"error": 0, "msg": "删除成功", "sum_price": sum_price, "totalprice": totalprice})
return JsonResponse({"error": 1, "msg": "删除失败"})
def add_car(request):
book_id = request.GET.get("bookid")
book_num = request.GET.get("booknum")
book_num1 = request.GET.get("booknum1")
user_name = request.COOKIES.get('txtUsername')
user_pwd = request.COOKIES.get('txtPassword')
car = request.session.get('car')
req = TUser.objects.filter(user_name=user_name, user_pwd=user_pwd)
sum_price = 0
totalprice = 0
if req:
id = TUser.objects.get(user_name=user_name)
car = TCar.objects.filter(user_id=id)
if car:
book_item = TCar.objects.filter(book_id=book_id)
if book_item:
if book_num1:
book_item[0].count = int(book_num1)
book_item[0].save()
totalprice = book_item[0].totalprice()
else:
book_item[0].count += int(book_num)
book_item[0].save()
else:
with transaction.atomic():
TCar.objects.create(book_id=book_id, count=book_num, user_id=id.id)
else:
with transaction.atomic():
TCar.objects.create(book_id=book_id, count=book_num, user_id=id.id)
for i in car:
sum_price += round(float(i.book.new_price) * float(i.count), 2)
return JsonResponse({"msg": "添加购物车成功!快去看看吧!", "error": 0, "totalprice": totalprice, "sum_price": sum_price})
else:
if car:
pass
else:
car = Car()
car.add_book(book_id, int(book_num))
request.session['car'] = car
sum_price = 0
totalprice = 0
for book in car.book_list:
if int(book.id) == int(book_id):
totalprice = round(float(book.new_price) * float(book.count), 2)
sum_price += round(float(book.new_price) * float(book.count), 2)
return JsonResponse({"msg": "添加购物车成功!快去看看吧!", "error": 0, "sum_price": sum_price, "totalprice": totalprice})
def car(request):
user_name = request.COOKIES.get('txtUsername')
user_pwd = request.COOKIES.get('txtPassword')
req = TUser.objects.filter(user_name=user_name, user_pwd=user_pwd)
car = request.session.get('car')
if req:
request.session['login'] = 'ok'
try:
with transaction.atomic():
id = TUser.objects.get(user_name=user_name)
if car:
for i in car:
book_item = TCar.objects.filter(book_id=i.id)
if book_item:
book_item[0].count += int(i.count)
book_item[0].save()
print(i.id, i.count)
else:
with transaction.atomic():
TCar.objects.create(book_id=i.id, count=i.count, user_id=id.id)
request.session.flush()
else:
with transaction.atomic():
car = TCar.objects.filter(user_id=id)
sum_price = 0
for i in car:
sum_price += round(float(i.book.new_price) * float(i.count), 2)
return render(request, 'car/car.html',
{"car": car, "sum_price": sum_price, "user_name": user_name})
except Exception as e:
print(e)
else:
if car:
totalprice = 0
sum_price = 0
for i in car:
totalprice = round(float(i.new_price) * float(i.count), 2)
sum_price += round(float(i.new_price) * float(i.count), 2)
return render(request, 'car/car.html',
{"car": car, "totalprice": totalprice, "sum_price": sum_price, })
return render(request, 'car/car.html')
def order(request):
user_name = request.COOKIES.get('txtUsername')
user_pwd = request.COOKIES.get('txtPassword')
req = TUser.objects.filter(user_name=user_name, user_pwd=user_pwd)
sum_price = 0
if req:
id = TUser.objects.get(user_name=user_name)
car = TCar.objects.filter(user_id=id)
with transaction.atomic():
address = TAddress.objects.filter(user_id=id)
for i in car:
sum_price += round(float(i.book.new_price) * float(i.count), 2)
return render(request, "car/indent.html",
{"address": address, "car": car, "sum_price": sum_price, "user_name": user_name})
return redirect("user:login")
def order_ok(request):
user_name = request.COOKIES.get('txtUsername')
id = TUser.objects.get(user_name=user_name)
car = TCar.objects.filter(user_id=id)
sum_price = 0
address = request.GET.get("address")
address_id = TAddress.objects.filter(address=address)[0]
order_id = str(time.strftime('%Y%m%d%H%M%S', time.localtime(time.time()))) + str(time.time()).replace('.', '')[-7:]
create_time = datetime.datetime.now().strftime('%Y-%m-%d')
for i in car:
sum_price += round(float(i.book.new_price) * float(i.count), 2)
with transaction.atomic():
order = TOrder.objects.create(order_id=order_id, create_time=create_time, price=sum_price,
address_id=address_id.id,
user_id=id.id)
count = 0
for i in car:
with transaction.atomic():
order_item = TOrderItem.objects.create(count=i.count, book_id=i.id, order_id=order.id)
count += i.count
i.delete()
return render(request, 'car/indent ok.html',
{"user_name": user_name, "order": order, "count": count, "order_item": order_item,
"address": address_id})
def order_submit(request):
user_name = request.COOKIES.get('txtUsername')
id = TUser.objects.get(user_name=user_name)
t_address = TAddress.objects.filter(user_id=id)
ship_man = request.POST.get("ship_man")
address = request.POST.get("address")
addr_mobile = request.POST.get("addr_mobile")
cellphone = request.POST.get("cellphone")
post = request.POST.get("post")
print(ship_man, address, addr_mobile, cellphone, post)
if t_address[0].address == address:
return JsonResponse({"msg": "地址已经存在", "error": 1})
else:
TAddress.objects.create(address=address, name=ship_man, post_code=post, cellphone=cellphone,
addr_mobile=addr_mobile,
user_id=id.id)
return JsonResponse({"msg": "订单生成", "error": 0})
|
