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

"""
Service layer for Seal.
"""

class SealService:
    @staticmethod
    def get_seal_by_id(db: Session, seal: str):
        return db.query(models.Seal).filter(models.Seal.seal == seal).first()

    @staticmethod
    def create_seal(db: Session, seal_data: dto.SealCreateDTO):
        new_seal = models.Seal(**seal_data.dict())
        db.add(new_seal)
        db.commit()
        db.refresh(new_seal)
        return new_seal

    @staticmethod
    def delete_seal(db: Session, seal: str):
        seal = SealService.get_seal_by_id(db, seal)
        if seal:
            db.delete(seal)
            db.commit()
        return seal