class HomeBannerSerializers(serializers.HyperlinkedModelSerializer):
image = obj(allow_null=True,
label='类别图',
queryset=File.objects.all(),
required=False,
view_name='file-detail',
serializer_class=FileSerializer)
category = obj(allow_null=True,
label='跳转分类',
queryset=GoodsCategory.objects.all(),
required=False,
view_name='goodscategory-detail',
serializer_class=GoodsCategorySerializer)
goods_info = serializers.SerializerMethodField()
class Meta:
model = HomeBanner
fields = generate_fields(HomeBanner,
add=['goods_info'],
remove=['add_time'])
def get_goods_info(self, instance):
if instance.goods:
return {"goods_name": instance.goods.name}
return None
class GoodsTypeSimplifiedSerializer(serializers.HyperlinkedModelSerializer):
icon = obj(allow_null=True,
label='封面图',
queryset=File.objects.all(),
required=False,
view_name='file-detail',
serializer_class=FileSerializer)
ladder_list = serializers.ListField(label='阶梯',
child=LadderField(),
allow_null=True,
required=False)
class Meta:
model = GoodType
fields = ["id", "market_price", "price", "is_sell", "ladder_list"]
def validate(self, attrs):
if attrs.get('ladder_list'):
attrs['ladder'] = json.dumps(attrs['ladder_list'],
use_decimal=True)
attrs.pop('ladder_list')
return attrs
def to_representation(self, instance):
ret = super().to_representation(instance)
if instance.ladder:
ret['ladder_list'] = json.loads(instance.ladder, use_decimal=True)
else:
ret['ladder_list'] = None
return ret
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 ShortcutSerializers(serializers.HyperlinkedModelSerializer):
image = obj(allow_null=True,
label='类别图',
queryset=File.objects.all(),
required=False,
view_name='file-detail',
serializer_class=FileSerializer)
category = obj(allow_null=True,
label='跳转分类',
queryset=GoodsCategory.objects.all(),
required=False,
view_name='goodscategory-detail',
serializer_class=GoodsCategorySerializer)
class Meta:
model = Shortcut
fields = generate_fields(Shortcut, remove=['add_time'])
class BannerSerializer(serializers.HyperlinkedModelSerializer):
image = obj(allow_null=True,
label='封面图',
queryset=File.objects.all(),
required=False,
view_name='file-detail',
serializer_class=FileSerializer)
goods = obj(allow_null=True,
label='商品',
queryset=Goods.objects.all(),
required=False,
view_name='goods-detail',
serializer_class=GoodsSerializer)
class Meta:
model = Banner
fields = generate_fields(Banner, add=[])
class StoreLogoSerializers(serializers.Serializer):
square_logo = obj(allow_null=True, label='正方形logo', queryset=File.objects.all(), required=False,
view_name='file-detail', serializer_class=FileSerializer)
rectangle_logo = obj(allow_null=True, label='长方形logo', queryset=File.objects.all(), required=False,
view_name='file-detail', serializer_class=FileSerializer)
def save(self, **kwargs):
square_logo = self.validated_data.get('square_logo')
rectangle_logo = self.validated_data.get('rectangle_logo')
StoreLogo.objects.update_or_create(label='square_logo', defaults={'image': square_logo})
StoreLogo.objects.update_or_create(label='rectangle_logo', defaults={'image': rectangle_logo})
return {
'square_logo': FileSerializer(instance=square_logo, context=self.context).data,
'rectangle_logo': FileSerializer(instance=rectangle_logo, context=self.context).data,
}
class ImagesSerializer(serializers.HyperlinkedModelSerializer):
image = obj(allow_null=True,
label='图片',
queryset=File.objects.all(),
required=False,
view_name='file-detail',
serializer_class=FileSerializer)
class Meta:
model = Images
fields = generate_fields(Images, add=[])
class StorePosterSerializers(serializers.Serializer):
store_poster = obj(allow_null=True, label='分享海报', queryset=File.objects.all(), required=False,
view_name='file-detail', serializer_class=FileSerializer)
def save(self, **kwargs):
store_poster = self.validated_data.get('store_poster')
StoreLogo.objects.update_or_create(label='store_poster', defaults={'image': store_poster})
return {
'store_poster': FileSerializer(instance=store_poster, context=self.context).data.get('file'),
}
class ReplGoodsTypeSerializer(serializers.HyperlinkedModelSerializer):
icon = obj(allow_null=True,
label='封面图',
queryset=File.objects.all(),
required=False,
view_name='file-detail',
serializer_class=FileSerializer)
class Meta:
model = ReplGoodsType
fields = generate_fields(ReplGoodsType,
remove=[
'original_limit',
'change_limit',
])
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
