def edit_item(request, item_id):
if request.method == 'GET':
active_item = ActiveItem.objects.filter(id=item_id)
if active_item:
item = active_item[0].item
if not os.path.exists('static/items/' + str(item.item_id) + '/' +
str(item.version) + '/'):
os.makedirs('static/items/' + str(item.item_id) + '/' +
str(item.version) + '/')
with open(
'static/items/' + str(item.item_id) + '/' +
str(item.version) + '/introduction.intro',
'r') as item_introduction_file:
introduction = item_introduction_file.read()
# form = CreateItemForm()
# form.item_name = item.item_name
# form.price = item.price
# form.inventory = item.inventory
return render(
request, 'edit_item.html', {
'status_bar': get_status_bar(request),
'item_name': item.item_name,
'price': str(item.price),
'inventory': str(item.inventory),
'introduction': introduction
})
if request.method == 'POST':
pass
def visit_shop(request, shop_id):
if request.method == 'GET':
shop = Shop.objects.filter(id=shop_id)
if shop:
shop = shop[0]
item_list = None
if shop:
item_list = ActiveItem.objects.filter(item__shop=shop)
return render(
request, 'shop.html', {
'status_bar': get_status_bar(request),
'shop_model': shop,
'item_list': item_list
})
def create_shop(request):
seller = UserSeller.objects.filter(user=request.user)
if seller:
if request.method == 'GET':
return render(
request, 'createshop.html', {
'create_shop_form': CreateShopForm(),
'status_bar': get_status_bar(request)
})
if request.method == 'POST':
form = CreateShopForm(request.POST)
if form.is_valid():
shop = Shop(shop_name=form.cleaned_data['shop_name'],
owner=seller[0])
shop.save()
ActiveShop(id=shop.id, shop=shop).save()
return redirect(reverse('shop:VisitMall', args=[shop.id]))
def history_item(request, item_id, version):
if request.method == 'GET':
item = Item.objects.filter(item_id=item_id, version=version)
if item:
item = item[0]
if os.path.exists('static/items/' + str(item.item_id) + '/' +
str(item.version) + '/introduction.intro'):
with open(
'static/items/' + str(item.item_id) + '/' +
str(item.version) + '/introduction.intro',
'r') as item_intro_file:
introduction = item_intro_file.read()
else:
introduction = ''
return render(
request, 'item.html', {
'item_model': item,
'item_introduction': introduction,
'status_bar': get_status_bar(request),
'history': True
})
else:
return HttpResponse(status=404)
def cart(request):
user, user_type = get_user_type(request.user)
if user_type == 'buyer':
cart_item_list = Cart.objects.filter(user=user)
# for 检查购物车中的Item是否为active，同时尝试替换为最新版本
for cart_item in cart_item_list:
if not cart_item.item.active: # 检查购物车中保存的版本是否active
# 若不是最新
# 检索ActiveItem
active_item_queryset = ActiveItem.objects.filter(
id=cart_item.item.item_id)
if active_item_queryset: # 若存在新版本
cart_item.item = active_item_queryset[0].item
cart_item.save()
return render(
request, 'buyer_cart.html', {
'cart_item_list': cart_item_list,
'status_bar': get_status_bar(request)
})
else:
return render(request, 'message.html', {
'message_title': '您不是买家',
'message': '您不是买家，无法查看购物车'
})
def make_order(request, item_id):
buyer = UserBuyer.objects.filter(user=request.user)
try:
item_id = int(item_id)
except BaseException:
item_id = 0
if request.method == 'GET':
if buyer:
buyer = buyer[0]
if item_id:
item = ActiveItem.objects.filter(id=item_id)[0].item
order_cart_item_list = [
Cart(user=buyer, collected=False, item=item, quantity=1)
]
else:
# 获取cart中所有的item，除去收集的，没有货的，和不活动的item
order_cart_item_list = Cart.objects.filter(
user=buyer, collected=False).exclude(
item__inventory=0).exclude(item__active=False)
if order_cart_item_list:
orders = {} # 临时存储订单
for cart_item in order_cart_item_list:
if cart_item.item.shop.id not in orders.keys(
): # 如果没有为该店铺建立订单
orders[cart_item.item.shop.id] = Order(
buyer=buyer, shop=cart_item.item.shop)
orders[cart_item.item.shop.id].details = []
orders[cart_item.item.shop.
id].total_amount += cart_item.item.price
orders[cart_item.item.shop.id].details.append({
'item_id':
cart_item.item.item_id, # 商品id
'item_name':
cart_item.item.item_name, # 商品名
'price':
str(cart_item.item.price), # 销售时的商品价格
'version':
cart_item.item.version,
'quantity':
cart_item.quantity
}) # 商品版本
return render(
request, 'make_order.html', {
'status_bar': get_status_bar(request),
'orders': orders,
'item_id': item_id
})
else:
return render(
request, 'message.html', {
'message_title': '没有商品',
'message': '您的购物车为空，无法创建订单',
'status_bar': get_status_bar(request)
})
if request.method == 'POST':
if buyer:
buyer = buyer[0]
if item_id:
item = ActiveItem.objects.filter(id=item_id)[0].item
order_cart_item_list = [
Cart(user=buyer, collected=False, item=item, quantity=1)
]
else:
# 获取cart中所有的item，除去收集的，没有货的，和不活动的item
order_cart_item_list = Cart.objects.filter(
user=buyer, collected=False).exclude(
item__inventory=0).exclude(item__active=False)
if order_cart_item_list: # 如果存在
# order_item_list_as_json = [] # 存储json化的订单信息
# order_amount = decimal.Decimal(0)
# shops = [] # 保存涉及的店铺
orders = {}
orders_details = {}
for cart_item in order_cart_item_list:
if cart_item.item.shop.id not in orders.keys():
orders[cart_item.item.shop.id] = Order(
buyer=buyer, shop=cart_item.item.shop)
orders_details[cart_item.item.shop.id] = []
orders[cart_item.item.shop.
id].total_amount += cart_item.item.price
orders_details[cart_item.item.shop.id].append({
'item_id':
cart_item.item.item_id, # 商品id
'item_name':
cart_item.item.item_name, # 商品名
'price':
str(cart_item.item.price), # 销售时的商品价格
'version':
cart_item.item.version,
'quantity':
cart_item.quantity
}) # 商品版本
# 库存信息处理
cart_item.item.inventory -= 1
cart_item.item.sales_volume += 1
cart_item.item.save()
# 店铺信息更新
cart_item.item.shop.sales_volume += 1
cart_item.item.shop.sales_amount += cart_item.item.price
cart_item.item.shop.save()
# 将订单们写入数据库
orders_key = orders.keys()
for key in orders_key:
orders[key].details = json.dumps(orders_details[key])
orders[key].save()
# # 写入数据库
# order = Order(buyer=buyer, total_amount=order_amount, details=json.dumps(order_item_list_as_json))
# order.save()
# for s in shops:
# OrderShopList(order=order, shop=s).save()
try:
order_cart_item_list.delete()
except AttributeError:
pass
if len(orders) == 1:
for key in orders.keys():
order_id = orders[key].id
return redirect(reverse('shop:PayPage', args=[order_id]))
elif len(orders) > 1:
return redirect(reverse('account:MyOrders'))
else:
return HttpResponse(status=503)
else:
return render(
request, 'message.html', {
'message_title': '没有商品',
'message': '您的购物车为空，无法创建订单',
'status_bar': get_status_bar(request)
})
else:
return HttpResponse(status=403)
else:
return HttpResponse(status=404)
def show_item(request, item_id):
active_item = ActiveItem.objects.filter(id=item_id)
if active_item:
active_item = active_item[0]
user, user_type = get_user_type(request.user)
if request.method == 'GET':
if os.path.exists('static/items/' + str(active_item.item.item_id) +
'/' + str(active_item.item.version) +
'/introduction.intro'):
with open(
'static/items/' + str(active_item.item.item_id) + '/' +
str(active_item.item.version) + '/introduction.intro',
'r') as item_intro_file:
introduction = item_intro_file.read()
else:
introduction = ''
print(user_type)
return render(
request, 'item.html', {
'item_model': active_item.item,
'item_introduction': introduction,
'status_bar': get_status_bar(request),
'user_type': user_type
})
if request.method == 'POST':
if user_type == 'buyer':
print(request.POST.get('add_to_cart'))
if request.POST.get('add_to_cart'): # 如果选择添加到购物车
cart_item = Cart.objects.filter(
user=user, item__item_id=active_item.id)
if cart_item:
cart_item[0].quantity += 1
cart_item[0].save()
else:
Cart(user=user, item=active_item.item).save()
return render(
request, 'message.html', {
'status_bar':
get_status_bar(request),
'message_title':
'购物车添加成功',
'message':
'已经成功将商品添加到您的购物车',
'other':
'<a href="/shop/item/{0}">返回</a>'.format(
str(item_id))
})
elif request.POST.get('buy_now'): # 如果选择直接购买
return redirect(reverse('shop:MakeOrder', args=[item_id]))
else: # 以其他未知方式提交表单
return HttpResponse(status=403)
elif not user_type: # 如果未登录，或因其他原因返回none
return redirect(reverse('account:Login'))
elif user_type == 'seller':
return HttpResponse(status=403)
else: # 如果出现其他未知原因
return HttpResponse(status=403)
else:
HttpResponse(status=404)
def index(request):
return render(request, 'index.html', {'status': get_status_bar(request)})