from sqlalchemy.orm import Session
from app.infrastructure.database.models.steps import Step

class StepsRepository:
    def __init__(self, db: Session):
        self.db = db

    def get_all(self):
        return self.db.query(Step).all()

    def get_by_id(self, step_id: int):
        return self.db.query(Step).filter(Step.id == step_id).first()

    def create(self, step: Step):
        self.db.add(step)
        self.db.commit()
        self.db.refresh(step)
        return step

    def update(self, step: Step):
        self.db.commit()
        return step

    def delete(self, step_id: int):
        step = self.db.query(Step).filter(Step.id == step_id).first()
        if step:
            self.db.delete(step)
            self.db.commit()
            return step
        return None