gault-millau/apps/product/serializers/back.py
2019-11-13 14:46:30 +03:00

130 lines
4.0 KiB
Python

"""Product app back-office serializers."""
from django.utils.translation import gettext_lazy as _
from rest_framework import serializers
from gallery.models import Image
from product import models
from product.serializers import ProductDetailSerializer, ProductTypeBaseSerializer, \
ProductSubTypeBaseSerializer
from tag.models import TagCategory
class ProductBackOfficeGallerySerializer(serializers.ModelSerializer):
"""Serializer class for model ProductGallery."""
class Meta:
"""Meta class"""
model = models.ProductGallery
fields = [
'id',
'is_main',
]
def get_request_kwargs(self):
"""Get url kwargs from request."""
return self.context.get('request').parser_context.get('kwargs')
def validate(self, attrs):
"""Override validate method."""
product_pk = self.get_request_kwargs().get('pk')
image_id = self.get_request_kwargs().get('image_id')
product_qs = models.Product.objects.filter(pk=product_pk)
image_qs = Image.objects.filter(id=image_id)
if not product_qs.exists():
raise serializers.ValidationError({'detail': _('Product not found')})
if not image_qs.exists():
raise serializers.ValidationError({'detail': _('Image not found')})
product = product_qs.first()
image = image_qs.first()
if image in product.gallery.all():
raise serializers.ValidationError({'detail': _('Image is already added.')})
attrs['product'] = product
attrs['image'] = image
return attrs
class ProductBackOfficeDetailSerializer(ProductDetailSerializer):
"""Product back-office detail serializer."""
class Meta(ProductDetailSerializer.Meta):
"""Meta class."""
fields = ProductDetailSerializer.Meta.fields + [
'description',
'available',
'product_type',
'establishment',
'wine_region',
'wine_sub_region',
'wine_village',
'state',
]
class ProductTypeBackOfficeDetailSerializer(ProductTypeBaseSerializer):
"""Product type back-office detail serializer."""
class Meta(ProductTypeBaseSerializer.Meta):
"""Meta class."""
fields = ProductTypeBaseSerializer.Meta.fields + [
'name',
'use_subtypes',
]
class ProductTypeTagCategorySerializer(serializers.ModelSerializer):
"""Serializer for attaching tag category to product type."""
product_type_id = serializers.PrimaryKeyRelatedField(
queryset=models.ProductType.objects.all(),
write_only=True)
tag_category_id = serializers.PrimaryKeyRelatedField(
queryset=TagCategory.objects.all(),
write_only=True)
class Meta(ProductTypeBaseSerializer.Meta):
"""Meta class."""
fields = [
'product_type_id',
'tag_category_id',
]
def validate(self, attrs):
"""Validation method."""
product_type = attrs.pop('product_type_id')
tag_category = attrs.get('tag_category_id')
if tag_category in product_type.tag_categories.all():
raise serializers.ValidationError({
'detail': _('Tag category is already attached.')})
attrs['product_type'] = product_type
attrs['tag_category'] = tag_category
return attrs
def create(self, validated_data):
"""Overridden create method."""
product_type = validated_data.get('product_type')
tag_category = validated_data.get('tag_category')
product_type.tag_categories.add(tag_category)
return product_type
class ProductSubTypeBackOfficeDetailSerializer(ProductSubTypeBaseSerializer):
"""Product sub type back-office detail serializer."""
class Meta(ProductSubTypeBaseSerializer.Meta):
"""Meta class."""
fields = ProductSubTypeBaseSerializer.Meta.fields + [
'product_type',
'name',
'index_name',
]