from sqlalchemy.orm import Session
from . import models, dto

class PermissionRuleOctService:
    @staticmethod
    def get_permission_by_id(db: Session, permission: str):
        return db.query(models.PermissionRuleOct).filter(models.PermissionRuleOct.permission == permission).first()

    @staticmethod
    def create_permission(db: Session, permission_data: dto.PermissionRuleOctCreateDTO):
        new_permission = models.PermissionRuleOct(**permission_data.dict())
        db.add(new_permission)
        db.commit()
        db.refresh(new_permission)
        return new_permission

    @staticmethod
    def delete_permission(db: Session, permission: str):
        permission = PermissionRuleOctService.get_permission_by_id(db, permission)
        if permission:
            db.delete(permission)
            db.commit()
        return permission