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using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using LibraryAPI.Models;
using LibraryAPI.Filters;
namespace LibraryAPI.Controllers {
[ServiceFilter(typeof(ActionFilter))]
[Route("api/authors")]
[ApiController]
public class AuthorsController : ControllerBase {
private readonly LibraryContext _context;
public AuthorsController(LibraryContext context) {
_context = context;
}
[HttpGet]
public async Task<ActionResult<IEnumerable<Author>>> GetAuthors() {
if(_context.Authors == null) {
return NotFound();
}
return await _context.Authors.ToListAsync();
}
[HttpGet("{id}")]
public async Task<ActionResult<Author>> GetAuthor(long id) {
if(_context.Authors == null)
return NotFound();
var author = await _context.Authors.FindAsync(id);
if(author == null)
return NotFound();
return author;
}
// Obtener los libros de un autor.
[HttpGet("{id}/books")]
public async Task<ActionResult<IEnumerable<Book>>> GetAuthorBooks(long id) {
return await _context.Books.Where(x => x.AuthorId == id).ToListAsync();
}
// Obtener primer objeto de la tabla.
[HttpGet("first")]
public async Task<ActionResult<Author>> GetFirst() {
return await _context.Authors.FirstOrDefaultAsync();
}
[HttpPut("{id}")]
public async Task<ActionResult> PutAuthor(long id, Author author) {
if(id != author.Id)
return BadRequest("Attempted to modify a different resource");
_context.Update(author);
await _context.SaveChangesAsync();
return Ok();
}
[HttpPost]
public async Task<ActionResult<Author>> PostAuthor(Author author) {
_context.Authors.Add(author);
await _context.SaveChangesAsync();
return Ok();
}
[HttpDelete("{id}")]
public async Task<ActionResult> DeleteAuthor(long id) {
var author = await _context.Authors.FindAsync(id);
if(author == null)
return NotFound();
_context.Authors.Remove(author);
await _context.SaveChangesAsync();
return Ok();
}
}
}
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