def get(self, request):
id = request.query_params.get('id')
goods = Goods.objects.get(id=id)
cat = goods.category
cat_par = cat.parent
cat_data = SonSerializer(cat).data
cat_data_par = SonSerializer(cat_par).data
cat_data['parent'] = cat_data_par
recommend_goods = Goods.objects.filter(category_id=cat.id).exclude(
id=id)
recommend_goods = GoodsSerializer(recommend_goods, many=True).data
cat_data['recommend_goods'] = recommend_goods
goods_data = GoodsSerializer(goods).data
goodsalbum_set = goods.goodsalbum_set.all()
goodsalbum_set = GoodsAlbumSerializer(goodsalbum_set, many=True).data
goods_data['goodsalbum_set'] = goodsalbum_set
cat_data['goods'] = goods_data
return Response(cat_data)
def post(self, request):
post = GoodsSerializer(data=request.data)
if post.is_valid():
try:
temp = Product.objects.get(name=post.data["name"])
return Response('existed!')
except ObjectDoesNotExist:
p = GoodsSerializer.create(post, request.data)
return Response({'id': p.id})
else:
return Response({'result': 404})
def put(self, request):
get = request.GET
if get.get('id'):
try:
p = Product.objects.get(id=request.GET['id'])
serializer = GoodsSerializer(data=request.data)
if serializer.is_valid():
GoodsSerializer.update(serializer, p, request.data)
return Response({'result': 200})
return Response(serializer.errors)
except ValueError:
return Response('Illegal Input')
except ObjectDoesNotExist:
return Response({'result': 404})
return Response('please input an id')
class UserFavDetailSerializer(serializers.ModelSerializer):
# 获取详细的外键信息
goods = GoodsSerializer()
class Meta:
model = UserFav
fields = ("goods", "id")
class UserFavDetailSerializer(serializers.ModelSerializer):
goods = GoodsSerializer()
class Meta:
model = UserFav
fields = ('goods', 'id')
class ShoppingCartDetailSerializer(serializers.ModelSerializer):
goods = GoodsSerializer()
class Meta:
model = ShoppingCart
fields = "__all__"
class ShoppingCartDetailSerializers(serializers.ModelSerializer
): #只希望序列化goods_id，不希望序列化其他字段
goods = GoodsSerializer()
class Meta:
model = ShoppingCart
fields = '__all__'
class OrderGoodsSerialzier(serializers.ModelSerializer):
# 显示外键的详细信息
goods = GoodsSerializer(many=False) # 暂时发现many=False与""没有区别
class Meta:
model = OrderGoods
fields = "__all__"
class OrderGoodsSerializer(serializers.ModelSerializer):
goods = GoodsSerializer()
class Meta:
model = OrderGoods
fields = "__all__"
class ShopCartDetailSerializer(serializers.ModelSerializer):
goods = GoodsSerializer(many=False,
read_only=True) # 一个ShopCart记录对应只有一个Goods
class Meta:
model = ShoppingCart
fields = ("goods", "nums")
def get(self, request):
get = request.GET
try:
if get.get('id'):
a = get.get('id')
temp = Product.objects.get(id=a)
return Response(GoodsSerializer(temp).data)
else:
type_id = get.get('type_id')
count_pp = get.get('count_pp')
page = get.get('page')
temp = Product.objects.filter(type_id=type_id)
return Response({'product': [GoodsSerializer(j).data for j in temp]})
except ValueError:
return Response('Illegal Input')
except ObjectDoesNotExist:
return Response({'result': 404})
def get(self, request):
top = Goods.objects.filter(is_red=1)[:4]
top = GoodsSerializer(top, many=True).data
data = {'is_red': top}
return Response(data)
class ShopCartDetailSerializer(serializers.ModelSerializer):
goods = GoodsSerializer(many=False, read_only=True)
class Meta:
model = ShoppingCart
fields = ("goods", "nums","user")
extra_kwargs = {
"goods":{"lookup_field":"goods_id"}
}
class ShopCartDetailSerializer(serializers.ModelSerializer):
'''
购物车商品详情信息
'''
# 一个购物车对应一个商品
goods = GoodsSerializer(many=False, read_only=True)
class Meta:
model = ShoppingCart
fields = ("goods", "nums")
def list(self, request, *args, **kwargs):
res = []
favorites = Favorite.objects.filter(user=request.user)
for instance in favorites:
good = Good.objects.get(id=instance.good.id)
good = GoodsSerializer(good).data
good['images'][0][
'image'] = 'http://127.0.0.1:8000' + good['images'][0]['image']
good['detail'] = 'http://127.0.0.1:8000' + good['detail']
res.append(good)
return Response(res)
class UserFavDetailSerializer(serializers.ModelSerializer):
'''
用户收藏详情
'''
# 通过商品id获取收藏的商品，需要嵌套商品的序列化
goods = GoodsSerializer()
class Meta:
model = UserFav
fields = ("goods", "id")
def retrieve(self, request, *args, **kwargs):
res = {}
instance = Favorite.objects.filter(user=request.user,
good__id=kwargs.get('good_id', 0))
if len(instance) > 0:
res['code'] = 0
good_id = instance[0].good.id
good = Good.objects.get(id=good_id)
res['good'] = GoodsSerializer(good).data
else:
res['code'] = 1
return Response(res)
class UserFavDetailSerializer(serializers.ModelSerializer):
"""
用户收藏详情
"""
goods = GoodsSerializer()
class Meta:
model = UserFav
fields = (
"goods",
"id",
)
def get(self, request):
cat_id = request.query_params.get('category_id')
ordering = request.query_params.get('ordering')
cat = GoodsCategory.objects.get(id=cat_id)
if cat.parent_id == 0:
pass
if ordering:
goods = Goods.objects.filter(
category_id=cat_id).order_by(ordering).all()
else:
goods = Goods.objects.filter(category_id=cat_id).all()
goods_data = GoodsSerializer(goods, many=True).data
return Response(goods_data)
def get(self, request):
bcats = GoodsCategory.objects.filter(parent=0)
# bcats=CateSerializer(bcats,many=True).data
lis = []
for bcat in bcats:
bcat_data = CateSerializer(bcat).data
scats = bcat.goodscategory_set.all()
ids = []
for scat in scats:
ids.append(scat.id)
goods = Goods.objects.filter(category_id__in=ids)[:5]
goods = GoodsSerializer(goods, many=True).data
bcat_data['goods'] = goods
lis.append(bcat_data)
return Response(lis)
def get(self, request):
# 返回前所有商品的前10条数据
goods_list = Goods.objects.all()[:10]
serializer = GoodsSerializer(goods_list, many=True)
return Response(serializer.data)
class ShopCartDetailSerializer(serializers.ModelSerializer):
goods = GoodsSerializer(many=False)
class Meta:
model = Cart
fields = '__all__'
class ShoppingCartDetailSerializer(serializers.ModelSerializer):
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 OrderGoodsSerialzier(serializers.ModelSerializer):
goods = GoodsSerializer(many=False)
class Meta:
model = OrderGoods
fields = "__all__"