from rest_framework import serializers
from .models import OperationLog


class OperationLogSerializer(serializers.ModelSerializer):
    operation_time = serializers.DateTimeField(read_only=True, format='%Y-%m-%d %H:%M:%S')
    operation_level_display = serializers.CharField(source='get_operation_level_display', read_only=True)
    operation_result_display = serializers.CharField(source='get_operation_result_display', read_only=True)

    class Meta:
        model = OperationLog
        fields = '__all__'
        read_only_fields = ['id', 'operation_time']