from rest_framework import serializers
from company_portfolio_business.models.company_portfolio_business import CompanyPortfolioBusiness

class CompanyPortfolioBusinessSerializer(serializers.ModelSerializer):
    id = serializers.ReadOnlyField()
    image_url_path = serializers.SerializerMethodField('get_image_url')

    class Meta:
        model = CompanyPortfolioBusiness
        fields = ['id','company_id','category_id', 'image_url', 'image_url_path'
        ]
        read_only_fields = ['id']

    def get_image_url(self, obj):
        request = self.context.get("request")
        if obj.image_url and hasattr(obj.image_url, 'url'):
            return request.build_absolute_uri(obj.image_url.url)
        return None