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109 lines (96 loc) · 2.56 KB
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using System.Linq;
using System.Net;
using System.Threading.Tasks;
using webapi.Data;
using webapi.Models;
using Microsoft.EntityFrameworkCore;
using Microsoft.AspNetCore.Mvc;
namespace webapi.Controllers
{
[Route("api/[controller]")]
[ApiController]
public class BooksController : ControllerBase
{
private webapiContext db = new webapiContext();
// GET: api/Books
[HttpGet]
public IQueryable<Book> GetBooks()
{
return db.Books.Include(b => b.Author);
}
// GET: api/Books/5
[HttpGet("{id}")]
public async Task<ActionResult<Book>> GetBook(int id)
{
Book book = await db.Books.FindAsync(id);
if (book == null)
{
return NotFound();
}
return Ok(book);
}
// PUT: api/Books/5
[HttpPut("{id}")]
public async Task<ActionResult> PutBook(int id, Book book)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
if (id != book.Id)
{
return BadRequest();
}
db.Entry(book).State = EntityState.Modified;
try
{
await db.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!BookExists(id))
{
return NotFound();
}
else
{
throw;
}
}
return NoContent();
}
// POST: api/Books
[HttpPost]
public async Task<ActionResult<Book>> PostBook(Book book)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
db.Books.Add(book);
await db.SaveChangesAsync();
return CreatedAtRoute("DefaultApi", new
{
id = book.Id
}
, book);
}
// DELETE: api/Books/5
[HttpDelete("{id}")]
public async Task<ActionResult<Book>> DeleteBook(int id)
{
Book book = await db.Books.FindAsync(id);
if (book == null)
{
return NotFound();
}
db.Books.Remove(book);
await db.SaveChangesAsync();
return Ok(book);
}
private bool BookExists(int id)
{
return db.Books.Count(e => e.Id == id) > 0;
}
}
}