from sqlalchemy.orm import Session

from app.domain.models.test_answers import TestAnswer


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

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

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

    def create(self, test_answer: TestAnswer):
        self.db.add(test_answer)
        self.db.commit()
        self.db.refresh(test_answer)
        return test_answer

    def update(self, test_answer: TestAnswer):
        self.db.merge(test_answer)
        self.db.commit()
        self.db.refresh(test_answer)
        return test_answer

    def delete(self, test_answer_id: int):
        test_answer = self.db.query(TestAnswer).filter(TestAnswer.id == test_answer_id).first()
        if test_answer:
            self.db.delete(test_answer)
            self.db.commit()
            return test_answer

        return None