from rest_framework import serializers
from apps.utils.serializers import CustomModelSerializer
from apps.utils.constants import EXCLUDE_FIELDS
from apps.fim.models import PriceSet, FeeSet, Fee

class FeeSerializer(CustomModelSerializer):
    class Meta:
        model = Fee
        fields = '__all__'


class FeeSetSerializer(CustomModelSerializer):
    mgroup_name = serializers.CharField(source='mgroup.name', read_only=True)
    fee_ = FeeSerializer(source='fee', read_only=True)
    class Meta:
        model = FeeSet
        fields = '__all__'
        read_only_fields = EXCLUDE_FIELDS


class PriceSetSerializer(CustomModelSerializer):
    material_name = serializers.CharField(source='material.name', read_only=True)
    class Meta:
        model = PriceSet
        fields = '__all__'
        read_only_fields = EXCLUDE_FIELDS