Add post endpoint for books

endpoints/books.post.py

@@ -1,18 +1,18 @@
-# Entity: Book
+# Entity: Pen
 
 from fastapi import APIRouter, Depends, HTTPException, status
 from sqlalchemy.orm import Session
 from core.database import get_db
-from models.book import Book
-from schemas.book import BookCreate
-from helpers.book_helpers import create_book
+from models.pen import Pen
+from schemas.pen import PenSchema, PenCreate
+from helpers.pen_helpers import create_pen
 
 router = APIRouter()
 
-@router.post("/books", status_code=201)
-async def create_book_endpoint(
-    book_data: BookCreate,
+@router.post("/pens", status_code=201, response_model=PenSchema)
+async def create_pen_endpoint(
+    pen_data: PenCreate,
     db: Session = Depends(get_db)
 ):
-    book = create_book(db, book_data)
-    return book
+    pen = create_pen(db, pen_data)
+    return pen