import hashlib

from django.http import JsonResponse, HttpResponse from django.shortcuts import render, redirect

from django.urls import reverse

from App.models import MainWheel, MainNav, MainMustBuy, MainShop, MainShow, FoodType, Goods, User, Cart, Order

def home(request): wheels = MainWheel.objects.all() navs = MainNav.objects.all() mustbuys = MainMustBuy.objects.all() mainshops = MainShop.objects.all() mainshop0 = mainshops[0] mainshop1_2 = mainshops[1:3] mainshop3_6 = mainshops[3:7] mainshop7_10 = mainshops[7:11] mainshows = MainShow.objects.all() data = { "title": "首页", "wheels": wheels, "navs": navs, "mustbuys": mustbuys, "mainshop0": mainshop0, "mainshop1_2": mainshop1_2, "mainshop3_6": mainshop3_6, "mainshop7_10": mainshop7_10, "mainshows": mainshows, } return render(request, 'app/home/home.html', context=data)

def market(request): return redirect(reverse("app:marketWithParams", kwargs={"typeid": "104749", "childcid": '0', "sortrule": "0"}))

def marketWithParams(request, typeid, childcid, sortrule): foodtypes = FoodType.objects.all() goodsList = Goods.objects.filter(categoryid=typeid)

if childcid != "0":
    goodsList = goodsList.filter(childcid=childcid)

"""
    sortrule 
        0 默认排序，综合排序
        1 销量降序
        2 销量升序
        3 价格降序
        4 价格升序
"""
if sortrule == "1":
    goodsList = goodsList.order_by("productnum")
elif sortrule == "2":
    goodsList = goodsList.order_by("-productnum")
elif sortrule == "3":
    goodsList = goodsList.order_by("-price")
elif sortrule == "4":
    goodsList = goodsList.order_by("price")

foodtype = foodtypes.filter(typeid=typeid).first()

# print(foodtype.childtypenames)
childtypesTran = []
# 全部分类: 0  # 进口水果:103534#国产水果:103533
childtypes = foodtype.childtypenames.split("#")
# ["全部分类:0","进口水果:103534","国产水果:103533"]
for item in childtypes:
    itemchild = item.split(":")
    childtypesTran.append(itemchild)
# [["全部分类","0"],["进口水果","103534“]...]

data = {
    "title": "闪购",
    "foodtypes": foodtypes,
    "goodslist": goodsList,
    "childtypetran": childtypesTran,
    "typeid": typeid,
    "childcid": childcid,
}
return render(request, 'app/market/market.html', context=data)

def cart(request): username = request.session.get("username") if not username: return redirect(reverse("app:login"))

user = User.objects.filter(u_name=username).first()
# user = User()
goodsList = user.cart_set.filter(c_belong=False)
print(goodsList)

data = {
    "title": "购物车",
    "goodsList": goodsList,
}
return render(request, 'app/cart/cart.html', context=data)

def mine(request): username = request.session.get("username") data = { "title": "我的", } if username: user = User.objects.get(u_name=username) print(user.u_icon.url) data["icon"] = user.u_icon.url data["username"] = username data["isLogin"] = "login" not_pay_num = Order.objects.filter(o_user=user).filter(o_status=0).count() not_receive_num = Order.objects.filter(o_user=user).filter(o_status=1).count() data["not_pay"] = not_pay_num data["not_receive"] = not_receive_num

return render(request, 'app/mine/mine.html', context=data)

def root(request): return redirect(reverse("app:home"))

def register(request): if request.method == "POST": username = request.POST.get("username") password = request.POST.get("password") email = request.POST.get("email") icon = request.FILES["icon"] # 需要再次判断

    # 密码的安全
    password = password2Md5(password)
    user = User()
    user.u_name = username
    user.u_password = password
    user.u_email = email
    user.u_icon = icon
    user.save()
    response = redirect(reverse("app:mine"))
    request.session["username"] = username
    return response


elif request.method == "GET":
    return render(request, 'app/mine/user/register.html')

def checkUser(request): username = request.GET.get("username") users = User.objects.filter(u_name=username) data = { "msg": "用户名可用", "status": "888", } # 900 状态码代表用户已存在 if users.exists(): data["msg"] = "用户名已存在" data["status"] = "900" return JsonResponse(data)

def password2Md5(password): md5 = hashlib.md5() md5.update(password.encode("utf-8")) return md5.hexdigest()

def logout(request): request.session.flush() return redirect(reverse("app:mine"))

def login(request): if request.method == "POST": username = request.POST.get("username") password = request.POST.get("password") users = User.objects.filter(isDelete=False).filter(u_name=username) if users.exists(): user = users.first() u_password = user.u_password password = password2Md5(password) if u_password == password: request.session["username"] = username return redirect(reverse("app:mine"))

    return HttpResponse("用户名或密码错误")

elif request.method == "GET":
    return render(request, 'app/mine/user/login.html')

def userinfo(request): if request.method == "POST": username = request.session.get("username") users = User.objects.filter(u_name=username) if users.exists(): user = users.first() password = request.POST.get("password") if password: user.u_password = password2Md5(password) icon = request.FILES["icon"] if icon: user.u_icon = icon user.save() return redirect(reverse("app:mine")) elif request.method == "GET": return render(request, 'app/mine/user/userinfo.html')

def addToCart(request): username = request.session.get("username") data = { "status": "200", "msg": "ok", } if not username: data["status"] = "302" data["msg"] = "用户未登录" return JsonResponse(data)

goodsid = request.GET.get("goodsid")
goods = Goods.objects.filter(pk=goodsid).first()
user = User.objects.filter(u_name=username).first()

cart_item = Cart.objects.filter(c_user=user).filter(c_goods=goods).filter(c_belong=False).first()

if not cart_item:
    cart_item = Cart()
else:
    cart_item.c_num = cart_item.c_num + 1
cart_item.c_goods = goods

cart_item.c_user = user
cart_item.save()
data["c_num"] = cart_item.c_num

return JsonResponse(data)

def subToCart(request): username = request.session.get("username") data = { "status": "200", "msg": "ok", } if not username: data["status"] = "302" data["msg"] = "用户未登录" return JsonResponse(data)

user = User.objects.filter(u_name=username).first()

goodsid = request.GET.get("goodsid")

goods = Goods.objects.filter(pk=goodsid).first()

carts = Cart.objects.filter(c_belong=False).filter(c_user=user).filter(c_goods=goods)

if carts.exists():
    cart_item = carts.first()
    if cart_item.c_num == 1:
        cart_item.delete()
        data["num"] = 0
    else:
        cart_item.c_num = cart_item.c_num - 1
        cart_item.save()
        data["num"] = cart_item.c_num
else:
    data["status"] = "202"
    data["msg"] = "操作数据不存在"
return JsonResponse(data)

def changeCheck(request): cartid = request.GET.get("cartid") cart_item = Cart.objects.get(pk=cartid) cart_item.c_select = not cart_item.c_select cart_item.save() data = { "status": "200", "msg": "ok", "is_select": cart_item.c_select, } return JsonResponse(data)

def subCartGoods(request): cartid = request.GET.get("cartid") cart_item = Cart.objects.filter(pk=cartid).first() data = { "status": 200, "msg": "ok", } if cart_item.c_num == 1: cart_item.delete() data["num"] = 0 else: cart_item.c_num = cart_item.c_num - 1 cart_item.save() data["num"] = cart_item.c_num

return JsonResponse(data)

def generateOrder(request): selects = request.GET.get("selects") select_list = selects.split("#") print(select_list)

data = {
    "status": "200",
    "msg": "ok",
}
username = request.session.get("username")
user = User.objects.get(u_name=username)
order = Order()
order.o_user = user
order.save()

for item in select_list:
    cart_item = Cart.objects.get(pk=item)
    cart_item.c_belong = True
    cart_item.c_order = order
    cart_item.save()

data["order_num"] = order.id

return JsonResponse(data)

def orderDetail(request): username = request.session.get("username")

user = User.objects.get(u_name=username)

orderid = request.GET.get("orderid")

order = Order.objects.get(pk=orderid)
# order = Order()
goodsinfos = order.cart_set.all()

data = {
    "user": user,
    "goodsinfos": goodsinfos,
    "orderid":orderid,
}

return render(request, 'app/market/order/order_detail.html', context=data)

def pay(request): orderid = request.GET.get("orderid") order = Order.objects.get(pk=orderid) order.o_status = 1 order.save() data = { "status":"200", "msg":"ok", } return JsonResponse(data)

def notPayList(request): username = request.session.get("username")

data = getOrders(username,0)

return render(request,'app/market/order/order_list.html',context=data)

def notReceiveList(request):

username = request.session.get("username")

data = getOrders(username,1)

return render(request,'app/market/order/order_list_not_receive.html',context=data)

def getOrders(username,status): if not username: return redirect(reverse("app:login")) user = User.objects.get(u_name=username)

orderList = Order.objects.filter(o_user=user).filter(o_status=status)

data = {
    "orderList": orderList,
}
return data