Init Django-SHOP

weirdlittleempire/management/serializers.py

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+"""
+These serializers are used exclusively to import the file ``workdir/fixtures/products-meta.json``.
+They are not intended for general purpose and can be deleted thereafter.
+"""
+from rest_framework import serializers
+from shop.serializers.catalog import CMSPagesField, ImagesField, ValueRelatedField
+from weirdlittleempire.models import (Commodity, SmartCard, SmartPhoneModel, SmartPhoneVariant,
+                                      Manufacturer, OperatingSystem, ProductPage, ProductImage)
+from .translation import TranslatedFieldsField, TranslatedField, TranslatableModelSerializerMixin
+
+
+class ProductSerializer(serializers.ModelSerializer):
+    product_model = serializers.CharField(read_only=True)
+    manufacturer = ValueRelatedField(model=Manufacturer)
+    images = ImagesField()
+    caption = TranslatedField()
+    cms_pages = CMSPagesField()
+
+    class Meta:
+        exclude = ['id', 'polymorphic_ctype', 'updated_at']
+
+    def create(self, validated_data):
+        cms_pages = validated_data.pop('cms_pages')
+        images = validated_data.pop('images')
+        product = super().create(validated_data)
+        for page in cms_pages:
+            ProductPage.objects.create(product=product, page=page)
+        for image in images:
+            ProductImage.objects.create(product=product, image=image)
+        return product
+
+
+class CommoditySerializer(TranslatableModelSerializerMixin, ProductSerializer):
+
+    class Meta(ProductSerializer.Meta):
+        model = Commodity
+        exclude = ['id', 'placeholder', 'polymorphic_ctype', 'updated_at']
+
+
+class SmartCardSerializer(TranslatableModelSerializerMixin, ProductSerializer):
+    multilingual = TranslatedFieldsField(
+        help_text="Helper to convert multilingual data into single field.",
+    )
+
+    class Meta(ProductSerializer.Meta):
+        model = SmartCard
+
+
+class SmartphoneVariantSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = SmartPhoneVariant
+        fields = ['product_code', 'unit_price', 'storage', 'quantity']
+
+
+class SmartPhoneModelSerializer(TranslatableModelSerializerMixin, ProductSerializer):
+    multilingual = TranslatedFieldsField()
+    operating_system = ValueRelatedField(model=OperatingSystem)
+    variants = SmartphoneVariantSerializer(many=True)
+
+    class Meta(ProductSerializer.Meta):
+        model = SmartPhoneModel
+
+    def create(self, validated_data):
+        variants = validated_data.pop('variants')
+        product = super().create(validated_data)
+        for variant in variants:
+            SmartPhoneVariant.objects.create(product=product, **variant)
+        return product