Add get_last_book endpoint

fastapi_book_server/app/views/book.py

@@ -38,6 +38,20 @@ async def get_books(
     return await BookFilterService.get(book_filter, request.app.state.redis)
 
 
+@book_router.get("/last", response_model=CustomPage[RemoteBook])
+async def get_last_book():
+    book = (
+        await BookDB.objects.select_related(
+            SELECT_RELATED_FIELDS + DETAIL_SELECT_RELATED_FIELDS
+        )
+        .prefetch_related(PREFETCH_RELATED_FIELDS)
+        .order_by("-id")
+        .first()
+    )
+
+    return book
+
+
 @book_router.get("/random", response_model=BookDetail)
 async def get_random_book(
     request: Request,