HiPhone_BE/market/serializers.py

from rest_framework import serializers
from rest_framework.serializers import ModelSerializer

from market.models import (
    Brand,
    Product,
    ProductColor,
    ProductStorage,
    Post,
    Image,
)


class BrandSerializer(ModelSerializer):
    class Meta:
        model = Brand
        fields = "__all__"


class ProductColorSerializer(ModelSerializer):
    class Meta:
        model = ProductColor
        fields = "__all__"


class ProductStorageSerializer(ModelSerializer):
    class Meta:
        model = ProductStorage
        fields = "__all__"


class ProductSerializer(ModelSerializer):
    colors = ProductColorSerializer(many=True, read_only=True)
    storages = ProductStorageSerializer(many=True, read_only=True)

    class Meta:
        model = Product
        fields = ("id", "name", "brand", "colors", "storages")


class ProductListSerializer(ModelSerializer):
    brand = serializers.CharField(source="brand.name")

    class Meta:
        model = Product
        fields = ("id", "name", "brand")


class ImageSerializer(ModelSerializer):
    class Meta:
        model = Image
        fields = ("image",)


class PostSerializer(ModelSerializer):
    product = ProductListSerializer(read_only=True)
    nickname = serializers.CharField(source="author.nickname")
    images = ImageSerializer(many=True, read_only=True)
    storage = serializers.CharField(source="storage.storage")

    class Meta:
        model = Post
        fields = (
            "id",
            "product",
            "color",
            "storage",
            "price",
            "text",
            "nickname",
            "status",
            "written_at",
            "images",
        )