feat: Update endpoint books

app/api/endpoints/books.py

@@ -0,0 +1,34 @@
+from typing import List
+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy.orm import Session
+from app.db import get_db
+from app.models import Book
+from app.schemas import BookCreate
+
+router = APIRouter()
+
+@router.post("/books", response_model=List[Book])
+async def create_book(book: BookCreate, db: Session = Depends(get_db)):
+    """
+    Create a new book.
+
+    Args:
+        book (BookCreate): The book data to create.
+        db (Session, optional): The database session. Defaults to Depends(get_db).
+
+    Raises:
+        HTTPException: If the book already exists.
+
+    Returns:
+        List[Book]: The created book.
+    """
+    existing_book = db.query(Book).filter(Book.title == book.title).first()
+    if existing_book:
+        raise HTTPException(status_code=400, detail="Book already exists")
+
+    new_book = Book(**book.dict())
+    db.add(new_book)
+    db.commit()
+    db.refresh(new_book)
+
+    return [new_book]