from rest_framework.serializers import ModelSerializer

from .models import Material, Process, Step
from apps.system.serializers import FileSimpleSerializer


class MaterialSerializer(ModelSerializer):
    class Meta:
        model = Material
        fields = '__all__'

class ProcessSerializer(ModelSerializer):
    instruction_ = FileSimpleSerializer(source='instruction', read_only=True)
    class Meta:
        model = Process
        fields = '__all__'
    

class StepSerializer(ModelSerializer):
    class Meta:
        model = Step
        fields = '__all__'