def get(self, request, pk):
ordering = request.query_params.get("ordering")
ordering_list = ordering.split(',')
# print(ordering_list)
# print(type(ordering_list))
category_obj = GoodsCategory.objects.get(id=pk)
goods_dict = {}
if not category_obj.parent_id:
goods_dict["category_guide"] = ParentCategorySerializer(category_obj).data
category2_id_list = []
# sub_category_queryset = category_obj.category_set.all()
sub_category_queryset = GoodsCategory.objects.filter(parent_id=category_obj.id)
for sub_category in sub_category_queryset:
category2_id_list.append(sub_category.id)
content_queryset = Goods.objects.filter(category_id__in=category2_id_list).order_by(*ordering_list)
goods_dict["goods_content"] = GoodsSerializer(content_queryset, many=True).data
else:
goods_dict["category_guide"] = ParentCategorySerializer(category_obj).data
sub_content_queryset = Goods.objects.filter(category_id=category_obj.id).order_by(*ordering_list)
goods_dict["goods_content"] = GoodsSerializer(sub_content_queryset, many=True).data
return Response(goods_dict)
def put(self, request, pk, format=None):
snippet = self.get_object(pk)
serializer = GoodsSerializer(snippet, data=request.data)
if serializer.is_valid():
serializer.save()
return Response(serializer.data)
return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
def get(self, request):
top_dict = {}
# 轮播图商品
slide_queryset = Goods.objects.filter(is_slide=1, status=0).all()
ser = GoodsSerializer(instance=slide_queryset, many=True)
top_dict['slide_goods'] = ser.data
# 推荐商品
recommend_queryset = Goods.objects.filter(is_red=1, status=0).all()[0:4]
ser = GoodsSerializer(instance=recommend_queryset, many=True)
top_dict['recommend_goods'] = ser.data
# 商品分类
category_queryset = GoodsCategory.objects.filter(parent_id=0).all()
ser = CategorySerializer(instance=category_queryset, many=True)
top_dict['category_goods'] = ser.data
return Response(top_dict)
class ShopCartDetatilSerializer(serializers.ModelSerializer):
goods = GoodsSerializer(
many=False) #内嵌goods的Serializer,many=False表示一个ShopCart只能对应一个goods
class Meta:
model = ShoppingCart
fields = "__all__" #返回全部字段
class ShopCartDetailSerializer(serializers.ModelSerializer):
goods = GoodsSerializer(many=False, read_only=True)
class Meta:
model = ShoppingCart
# fields = ("goods", "nums")
fields = "__all__"
class OrderGoodsSerializer(serializers.ModelSerializer):
"""订单中的商品"""
goods = GoodsSerializer(many=False)
class Meta:
model = OrderGoods
fields = "__all__"
class UserFavDetailSerializer(serializers.ModelSerializer):
# 通过goods_id拿到商品信息。就需要嵌套的Serializer
goods = GoodsSerializer()
class Meta:
model = UserFav
fields = ("goods", "id")
def get(self, request):
# 定义一个列表，存放返回数据
goods_cat_lst = []
# 获取一级目录对象列表
bcats = GoodsCategory.objects.filter(parent=0)
# 获取每个一级目录
for bcat in bcats:
bcat_data = CategorySerializer(bcat).data # 字典类型
# 查询该目录下的所有二级目录
scats = bcat.goodscategory_set.all() # set类型
# 存放该目录下所有二级目录的id
ids = []
for scat in scats:
ids.append(scat.id)
# 获取该目录下所有二级目录的商品
goods_query_set = Goods.objects.filter(
category_id__in=ids)[:5] # set
goods = GoodsSerializer(goods_query_set, many=True).data # set
bcat_data['goods'] = goods
goods_cat_lst.append(bcat_data)
return Response(goods_cat_lst)
class OrderGoodsSerialzier(serializers.ModelSerializer):
goods = GoodsSerializer(many=False)
# 支付订单的url
alipay_url = serializers.SerializerMethodField(read_only=True)
def get_alipay_url(self, obj):
alipay = AliPay(
appid="2016091500517456",
app_notify_url="http://47.93.198.159:8000/alipay/return/",
app_private_key_path=private_key_path,
alipay_public_key_path=
ali_pub_key_path, # 支付宝的公钥，验证支付宝回传消息使用，不是你自己的公钥,
debug=True, # 默认False,
return_url="http://47.93.198.159:8000/alipay/return/")
url = alipay.direct_pay(
subject=obj.order_sn,
out_trade_no=obj.order_sn,
total_amount=obj.order_mount,
)
re_url = "https://openapi.alipaydev.com/gateway.do?{data}".format(
data=url)
return re_url
class Meta:
model = OrderGoods
fields = "__all__"
class OrderGoodsSerializer(serializers.ModelSerializer):
# 外键关系 所以使用False
goods = GoodsSerializer(many=False)
class Meta:
model = OrderGoods
fields = '__all__'
def get(self, request):
goods_dict = {}
recommend_queryset = Goods.objects.filter(is_red=1).order_by("-sales")
s = RecommendSerializer(recommend_queryset, many=True)
goods_dict['recommend'] = s.data
category1_queryset = GoodsCategory.objects.filter(parent=0)
advertisement_list = []
for category1 in category1_queryset:
category1_serializer = CategorySerializer(category1)
category2_queryset = GoodsCategory.objects.filter(parent_id=category1.id)
category2_id_list = []
for sub_category in category2_queryset:
category2_id_list.append(sub_category.id)
content_queryset = Goods.objects.filter(category_id__in=category2_id_list).order_by("-create_time")
# print(len(content_queryset))
content_serializer = GoodsSerializer(content_queryset, many=True)
category_data = category1_serializer.data
category_data["goods"] = content_serializer.data
advertisement_list.append(category_data)
goods_dict['advertisement'] = advertisement_list
return Response(goods_dict)
class OrderGoodsSerializer(serializers.ModelSerializer):
# odergood 的 外键 goods，非多的那一头
goods = GoodsSerializer()
class Meta:
model = OrderGoods
fields = '__all__'
class UserShoppingCartDeatilSerializer(serializers.ModelSerializer):
# 外键 ,一个购物车商品记录只能对应一件商品
goods = GoodsSerializer(read_only=True)
class Meta:
model = ShoppingCart
fields = ("goods", "nums")
class CartSerializer(serializers.ModelSerializer):
# 方法3
goods = GoodsSerializer()
class Meta:
model = CartModel
fields = '__all__'
def to_representation(self, instance):
data = super().to_representation(instance)
data['c_is_select'] = data['is_select']
data['c_goods_num'] = data['c_num']
# 序列化商品对象信息 方法1
# goods = Goods.objects.filter(id=data['goods']).first()
# goods = instance.goods
# data['c_goods'] = GoodsSerializer(goods).data
# 方法2
# data['c_goods'] = {
# 'id': instance.goods.id,
# 'price': instance.goods.price
# }
data['c_goods'] = data['goods']
del data['c_num']
del data['user']
del data['is_select']
del data['goods']
return data
class OrderGoodsSerializer(serializers.ModelSerializer):
#订单商品和商品简历一对一的关系
goods = GoodsSerializer(many=False)
class Meta:
model = OrderGoods
fields = "__all__"
def get(self, request):
"""
首页: 获取商品首页右侧的推荐商品
"""
goods = Goods.objects.filter(is_red=1).order_by('-create_time')[0:4]
serializer = GoodsSerializer(goods, many=True)
return Response(serializer.data)
def to_representation(self, instance):
# 这儿重构是购物车里商品是否被选中(is_select),
# 商品数量(c_num),商品本身的信息(goods)
data = super().to_representation(instance)
data['c_is_select'] = data['is_select']
data['c_goods_num'] = data['c_num']
data['c_goods'] = data['goods']
# 序列化商品对象信息，方法1
# goods = Goods.objects.filter(id=data['goods']).first()
# instance是代表购物车 ，instance.goods代表从购物车里拿出数据
goods = instance.goods
# 将购物车里的商品数据进行序列化
# 这里序列化是显示商品的名称，价格，图片
data['c_goods'] = GoodsSerializer(goods).data
# 序列化商品对象信息，方法2
# data['c_goods'] = {
# 'id': instance.goods.id,
# 'price': instance.goods.price,
# }
del data['c_num']
del data['user']
del data['is_select']
del data['goods']
return data
class UserFavDetailSerializer(serializers.ModelSerializer):
goods = GoodsSerializer()
class Meta:
model = UserFav
fields = ('id', 'goods')
class OrderGoodsSerializer(serializers.ModelSerializer):
# order 是model的 order的related_name 的名字
order = GoodsSerializer(many=False)
class Meta:
model = OrderGoods
fields = "__all__"
class OrderGoodsSerializer(serializers.ModelSerializer):
# 订单商品和商品的关系--一对一关系，序列化只需要一条
goods = GoodsSerializer(many=False)
class Meta:
model = OrderGoods
fields = "__all__"
class UserFavDetailSerializer(serializers.ModelSerializer):
# 通过good_id拿到商品信息，需要嵌套使用
goods = GoodsSerializer()
class Meta:
model = UserFav
fields = ('goods', 'id')
class ShopCartDetailSerializer(serializers.ModelSerializer):
# 一条购物车关系记录对应的只有一个goods。
goods = GoodsSerializer(many=False, read_only=True)
class Meta:
model = ShoppingCart
fields = ("goods", "nums")
class CartSerializer(serializers.ModelSerializer):
c_goods = GoodsSerializer()
class Meta:
model = Cart
fields = '__all__'
class UserFavDetailSerializer(serializers.ModelSerializer):
goods = GoodsSerializer()
class Meta:
model = UserFav
fields = ("goods", "id")
class OrderGoodsSerializer(serializers.ModelSerializer):
o_goods = GoodsSerializer()
class Meta:
model = OrderGoods
fields = '__all__'
class OrderGoodsSerializer(serializers.ModelSerializer):
# 这个字段可不唯一，所以many=False
goods = GoodsSerializer(many=False)
class Meta:
model = OrderGoods
fields = "__all__"
class UserFavDetailSerializer(serializers.ModelSerializer):
# goods = GoodsSerializer(many=True) #设置goods嵌套序列
goods = GoodsSerializer() # 设置goods嵌套序列，goods是个外键，不是对应多个，而是对应一个实例
class Meta:
model = UserFav #model为UserFav
fields = ("goods", "id") #设置fields
class ShopCartDetailSerializer(serializers.ModelSerializer):
# 设置动态serializer
goods = GoodsSerializer(many=False)
class Meta:
model = ShoppingCart
fields = '__all__'
def retrieve(self, request, pk=None):
queryset = GoodsInStore.objects.filter(store_id=pk)
goods = []
for itm in queryset:
goods.append(itm.goods)
serializer = GoodsSerializer(goods, many=True)
return Response(serializer.data)
class UserFavDetailSerializer(serializers.ModelSerializer):
#fav对应商品 他自己就是外键 对应的就是一个对象
goods = GoodsSerializer()
class Meta:
model = UserFav
fields = ("goods", "id")