class GoodsListNewSerializer(serializers.HyperlinkedModelSerializer):
ord_goods = ObjectHyperlinkedRelatedField(
allow_empty=False,
required=False,
allow_null=True,
label='普通商品',
queryset=OrdGoods.objects.all(),
view_name='ordgoods-detail',
serializer_class=OrdGoodsSimplifiedSerializer,
is_save=True)
repl_goods = ObjectHyperlinkedRelatedField(
allow_empty=False,
required=False,
allow_null=True,
label='积分商品',
queryset=ReplGoods.objects.all(),
view_name='replgoods-detail',
serializer_class=ReplGoodsSerializer,
is_save=True)
groupbuy_info = ObjectHyperlinkedRelatedField(
allow_empty=False,
required=False,
allow_null=True,
label='拼团信息',
queryset=GroupBuyInfo.objects.all(),
view_name='groupbuyinfo-detail',
serializer_class=GroupBuyInfoSeriazlizers,
is_save=True)
category = obj(allow_null=True,
label='商品分类',
queryset=GoodsCategory.objects.all(),
required=False,
view_name='goodscategory-detail',
serializer_class=GoodsCategorySimplifiedSerializer)
banner = serializers.SerializerMethodField()
def get_banner(self, instance):
banner = instance.banner.first()
if banner:
return [
ImagesSerializer(instance=banner, context=self.context).data
]
return None
class Meta:
model = Goods
fields = generate_fields(Goods,
add=[],
remove=[
'image', 'video', 'poster', 'is_template',
'delivery_method', 'shop', 'attach',
'detail'
])
def to_representation(self, instance):
res = super().to_representation(instance)
res['status'] = Goods.status_dict.get(res['status'])
return res
class OrdGoodsSerializer(serializers.HyperlinkedModelSerializer):
gtypes = ObjectHyperlinkedRelatedField(
allow_empty=False,
required=False,
label='商品规格',
many=True,
queryset=GoodType.objects.all(),
view_name='goodtype-detail',
serializer_class=GoodsTypeSerializer,
is_save=True)
class Meta:
model = OrdGoods
fields = generate_fields(OrdGoods,
add=[
'estimate_time', 'price_range',
'market_price_range', 'max_rebate'
])
extra_kwargs = {
'price_range': {
'read_only': True
},
'market_price_range': {
'read_only': True
},
'max_rebate': {
'read_only': True
},
}
class OrdGoodsSimplifiedSerializer(serializers.HyperlinkedModelSerializer):
gtypes = ObjectHyperlinkedRelatedField(
allow_empty=False,
required=False,
label='商品规格',
many=True,
queryset=GoodType.objects.all(),
view_name='goodtype-detail',
serializer_class=GoodsTypeSimplifiedSerializer,
is_save=True)
class Meta:
model = OrdGoods
fields = ["id", "gtypes"]
class ReplGoodsSerializer(serializers.HyperlinkedModelSerializer):
gtypes = ObjectHyperlinkedRelatedField(
allow_empty=False,
required=False,
label='积分商品规格',
many=True,
queryset=ReplGoodsType.objects.all(),
view_name='replgoodstype-detail',
serializer_class=ReplGoodsTypeSerializer,
is_save=True)
class Meta:
model = ReplGoods
fields = generate_fields(ReplGoods, add=['price_range'])
extra_kwargs = {
'price_range': {
'read_only': True
},
}
class GoodsSerializer(serializers.HyperlinkedModelSerializer):
banner = ObjectHyperlinkedRelatedField(allow_empty=False,
label='详情页轮播图',
required=False,
allow_null=True,
many=True,
queryset=Images.objects.all(),
view_name='images-detail',
serializer_class=ImagesSerializer,
is_save=True)
detail = ObjectHyperlinkedRelatedField(allow_empty=False,
label='商品详情图',
many=True,
allow_null=True,
required=False,
queryset=Images.objects.all(),
view_name='images-detail',
serializer_class=ImagesSerializer,
is_save=True)
ord_goods = ObjectHyperlinkedRelatedField(
allow_empty=False,
required=False,
allow_null=True,
label='普通商品',
queryset=OrdGoods.objects.all(),
view_name='ordgoods-detail',
serializer_class=OrdGoodsSerializer,
is_save=True)
repl_goods = ObjectHyperlinkedRelatedField(
allow_empty=False,
required=False,
allow_null=True,
label='积分商品',
queryset=ReplGoods.objects.all(),
view_name='replgoods-detail',
serializer_class=ReplGoodsSerializer,
is_save=True)
groupbuy_info = ObjectHyperlinkedRelatedField(
allow_empty=False,
required=False,
allow_null=True,
label='拼团信息',
queryset=GroupBuyInfo.objects.all(),
view_name='groupbuyinfo-detail',
serializer_class=GroupBuyInfoSeriazlizers,
is_save=True)
image = obj(allow_null=True,
label='封面图',
queryset=File.objects.all(),
required=False,
view_name='file-detail',
serializer_class=FileSerializer)
video = obj(allow_null=True,
label='视频介绍',
queryset=File.objects.all(),
required=False,
view_name='file-detail',
serializer_class=FileSerializer)
poster = obj(allow_null=True,
label='海报图',
queryset=File.objects.all(),
required=False,
view_name='file-detail',
serializer_class=FileSerializer)
category = obj(allow_null=True,
label='商品分类',
queryset=GoodsCategory.objects.all(),
required=False,
view_name='goodscategory-detail',
serializer_class=GoodsCategorySerializer)
shop = obj(allow_null=True,
label='所属商店',
queryset=Shop.objects.all(),
required=False,
view_name='shop-detail',
serializer_class=ShopSerializer)
create_poster = serializers.SerializerMethodField()
attach = ObjectHyperlinkedRelatedField(label='自定义信息',
many=True,
allow_null=True,
required=False,
queryset=Attach.objects.all(),
view_name='attach-detail',
serializer_class=AttachSerializer,
is_save=True)
status = serializers.ChoiceField(label='商品状态',
required=True,
allow_null=False,
choices=(('is_sell', '在售'), ('preview',
'预览'),
('not_enough',
'库存不足'), ('not_sell', '下架')))
delivery_method = serializers.ListField(allow_empty=True,
child=serializers.ChoiceField(
choices=Goods.METHOD,
label='Delivery method'),
label='配送方式',
required=False)
class Meta:
model = Goods
fields = generate_fields(Goods, add=['create_poster'])
def validate(self, attrs):
if attrs.get('groupbuy') and not attrs.get('groupbuy_info'):
raise serializers.ValidationError('请为拼团商品设置拼团信息')
if not attrs.get('fictitious',
False) and not attrs.get('delivery_method'):
raise serializers.ValidationError('请选择配送方式')
return attrs
def validate_delivery_method(self, value):
if 'own' in value and 'express' in value:
raise serializers.ValidationError('配送方式不能同时设置快递和自配送')
return value
def validate_status(self, value):
status = None
for k, v in Goods.status_dict.items():
if v == value:
status = k
break
if status == None:
raise serializers.ValidationError('商品状态错误')
return status
def get_create_poster(self, instance):
return reverse('goods-poster', (instance.id, ),
request=self.context.get('request'))
def to_representation(self, instance):
res = super().to_representation(instance)
res['status'] = Goods.status_dict.get(res['status'])
return res