Planteamiento Servicio

books.service.ts

import { Injectable } from '@nestjs/common';

@Injectable()
export class BooksService {
  findAll(): any {
    return 'findAll funcionando';
  }

  findBook(bookId: string): any {
    return `findBook funcionando con ${bookId}`;
  }

  createBook(newBook: any): any {
    return `createBook funcionando con ${JSON.stringify(newBook)}`;
  }

  deleteBook(bookId: string): any {
    return `deleteBook funcionando con ${bookId}`;
  }

  updateBook(bookId: string, newBook: any): any {
    return `updateBook funcionando con ${bookId} y ${JSON.stringify(newBook)}`;
  }
}