Home api lari chiqarildi

core/apps/api/serializers/ad/__init__.py

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+from .home_api import *  # noqa

core/apps/api/serializers/ad/home_api.py

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+from rest_framework import serializers
+from django.db.models import Avg
+from core.apps.api.models import AdModel, AdVariant
+
+
+class AdVariantSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = AdVariant
+        fields = [
+            "variant",
+            "value",
+            "is_available",
+            "price",
+            "discount",
+        ]
+
+
+class BaseHomeAdSerializer(serializers.ModelSerializer):
+    variants = serializers.SerializerMethodField()
+    star = serializers.SerializerMethodField()
+    comment_count = serializers.SerializerMethodField()
+
+    class Meta:
+        model = AdModel
+        fields = [
+            "id",
+            "name",
+            "price",
+            "image",
+            "star",
+            "comment_count",
+            "variants",
+        ]
+
+    def get_variants(self, obj):
+        variant = obj.variants.order_by("price").first()
+        if variant:
+            return AdVariantSerializer(variant).data
+        return []
+
+    def get_star(self, obj):
+        avg = obj.feedback.aggregate(avg=Avg("star"))["avg"]
+        return avg or 0
+
+    def get_comment_count(self, obj):
+        count = obj.feedback.count()
+        return count or 0
+
+
+class ListHomeAdSerializer(BaseHomeAdSerializer):
+    class Meta(BaseHomeAdSerializer.Meta): ...
+
+
+class RetrieveHomeAdSerializer(BaseHomeAdSerializer):
+    class Meta(BaseHomeAdSerializer.Meta): ...
+
+
+class CreateHomeAdSerializer(BaseHomeAdSerializer):
+    class Meta(BaseHomeAdSerializer.Meta): ...