35 lines
938 B
Python
35 lines
938 B
Python
from typing import Optional
|
|
from uuid import UUID
|
|
from sqlalchemy.orm import Session
|
|
from models.book import Book
|
|
from schemas.book import BookCreate
|
|
|
|
def create_book(db: Session, book_data: BookCreate) -> Book:
|
|
"""
|
|
Creates a new book in the database.
|
|
|
|
Args:
|
|
db (Session): The database session.
|
|
book_data (BookCreate): The data for the book to create.
|
|
|
|
Returns:
|
|
Book: The newly created book object.
|
|
"""
|
|
db_book = Book(**book_data.dict())
|
|
db.add(db_book)
|
|
db.commit()
|
|
db.refresh(db_book)
|
|
return db_book
|
|
|
|
def get_book_by_id(db: Session, book_id: UUID) -> Optional[Book]:
|
|
"""
|
|
Retrieves a single book by its ID.
|
|
|
|
Args:
|
|
db (Session): The database session.
|
|
book_id (UUID): The ID of the book to retrieve.
|
|
|
|
Returns:
|
|
Optional[Book]: The book object if found, otherwise None.
|
|
"""
|
|
return db.query(Book).filter(Book.id == book_id).first() |