Fastapi-postgres/crud.py at main · Tanaygit646/Fastapi-postgres · GitHub

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from sqlalchemy.orm import Session
import models
from auth import hash_password
import schemas
from auth import hash_password, verify_password

def create_user(db: Session, user: schemas.UserCreate):
    hashed_password = hash_password(user.password)
    db_user = models.User(name=user.name,hashed_password=hashed_password)
    db.add(db_user)
    db.commit()
    db.refresh(db_user)

    return db_user

def get_users(db:Session):
    return db.query(models.User).all()

def get_user(
    db: Session,
    user_id: int
):
    return (
        db.query(models.User)
        .filter(models.User.id == user_id)
        .first()
    )

def delete_user(
    db: Session,
    user_id: int
):
    user = (
        db.query(models.User)
        .filter(models.User.id == user_id)
        .first()
    )

    if user:
        db.delete(user)
        db.commit()

    return user

def authenticate_user(
    db: Session,
    name: str,
    password: str
):
    user = (
        db.query(models.User)
        .filter(models.User.name == name)
        .first()
    )

    if not user:
        return None

    if not verify_password(password, user.hashed_password):
        return None

    return user

def create_book(db: Session, book: schemas.BookCreate):
    db_book = models.Book(
        title=book.title,
        user_id=book.user_id
    )

    db.add(db_book)
    db.commit()
    db.refresh(db_book)

    return db_book

def get_books(db: Session):
    return db.query(models.Book).all()


def get_book(db: Session, book_id: int):
    return db.query(models.Book).filter(
        models.Book.id == book_id
    ).first()

def update_book(db: Session, book_id: int, book: schemas.BookCreate):
    db_book = db.query(models.Book).filter(
        models.Book.id == book_id
    ).first()

    if not db_book:
        return None

    db_book.title = book.title
    db_book.user_id = book.user_id

    db.commit()
    db.refresh(db_book)

    return db_book

def delete_book(db: Session, book_id: int):
    db_book = db.query(models.Book).filter(
        models.Book.id == book_id
    ).first()

    if not db_book:
        return None

    db.delete(db_book)
    db.commit()

    return db_book