/// <summary>
/// Support for updating products
/// </summary>
public async Task<IHttpActionResult> Put([FromODataUri] int key, Product update)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
if (key != update.ID)
{
return BadRequest();
}
_db.Entry(update).State = EntityState.Modified;
try
{
await _db.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!_db.Products.Any(p => p.ID == key))
{
return NotFound();
}
else
{
throw;
}
}
return Updated(update);
}
/// <summary>
/// Support for creating products
/// </summary>
public async Task<IHttpActionResult> Post(Product product)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
_db.Products.Add(product);
await _db.SaveChangesAsync();
return Created(product);
}
/// <summary>
/// Support for updating products
/// </summary>
public HttpResponseMessage Put([FromODataUri] int key, Product update)
{
if (!_db.Products.Any(p => p.ID == key))
{
throw ODataErrors.EntityNotFound(Request);
}
update.ID = key; // ignore the key in the entity use the key in the URL.
_db.Products.Attach(update);
_db.Entry(update).State = EntityState.Modified;
_db.SaveChanges();
return Request.CreateResponse(HttpStatusCode.NoContent);
}
/// <summary>
/// Support for creating products
/// </summary>
public HttpResponseMessage Post(Product product)
{
product.Family = null;
Product addedProduct = _db.Products.Add(product);
_db.SaveChanges();
var response = Request.CreateResponse(HttpStatusCode.Created, addedProduct);
var odataPath = Request.GetODataPath();
if (odataPath == null)
{
throw new InvalidOperationException("There is no ODataPath in the request.");
}
var entitySetPathSegment = odataPath.Segments.FirstOrDefault() as EntitySetPathSegment;
if (entitySetPathSegment == null)
{
throw new InvalidOperationException("ODataPath doesn't start with EntitySetPathSegment.");
}
response.Headers.Location = new Uri(Url.ODataLink(
entitySetPathSegment,
new KeyValuePathSegment(ODataUriUtils.ConvertToUriLiteral(addedProduct.ID, ODataVersion.V3))));
return response;
}
public async Task<IHttpActionResult> CreateProduct([FromODataUri] int key, ODataActionParameters parameters)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
var productFamily = await _db.ProductFamilies.FindAsync(key);
var productName = parameters["Name"].ToString();
var product = new Product
{
Name = productName,
Family = productFamily,
ReleaseDate = DateTime.Now,
SupportedUntil = DateTime.Now.AddYears(10)
};
_db.Products.Add(product);
await _db.SaveChangesAsync();
return Ok(product.Id);
}
/// <summary>
/// Support for POST /ProductFamiles(1)/Products
/// </summary>
public async Task<IHttpActionResult> PostToProducts([FromODataUri] int key, Product product)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
var family = await _db.ProductFamilies.FindAsync(key);
if (family == null)
{
return NotFound();
}
family.Products.Add(product);
await _db.SaveChangesAsync();
return Created(product);
}