// POST api/Products
public HttpResponseMessage PostProduct(Product product)
{
if (ModelState.IsValid)
{
db.Products.Add(product);
db.SaveChanges();
HttpResponseMessage response = Request.CreateResponse(HttpStatusCode.Created, product);
response.Headers.Location = new Uri(Url.Link("DefaultApi", new { id = product.Id }));
return response;
}
else
{
return Request.CreateResponse(HttpStatusCode.BadRequest);
}
}
public virtual ActionResult Create(Product product, string pictureIds, int[] tagIds)
{
if (ModelState.IsValid) {
// Produkt mit den Bildern anreichern.
var guids = _stringToGuids(pictureIds).ToArray();
_SetProductPictures(product, guids);
_SetProductTags(product, tagIds);
db.Products.Add(product);
db.SaveChanges();
return RedirectToAction("Index");
}
return View(product);
}
// PUT api/Products/5
public HttpResponseMessage PutProduct(int id, Product product)
{
if (ModelState.IsValid && id == product.Id)
{
db.Entry(product).State = EntityState.Modified;
try
{
db.SaveChanges();
}
catch (DbUpdateConcurrencyException)
{
return Request.CreateResponse(HttpStatusCode.NotFound);
}
return Request.CreateResponse(HttpStatusCode.OK);
}
else
{
return Request.CreateResponse(HttpStatusCode.BadRequest);
}
}
/// <summary>
/// Bilder zum Produkt hinzufügen.
/// </summary>
/// <param name="product"></param>
/// <param name="pictureIds">Komma-getrennte Guids.</param>
private void _SetProductPictures(Product product, IEnumerable<Guid> guids)
{
var gs = guids.ToArray();
// Erstmal alle Bilder vom Produkt entfernen, die nicht mehr dazu gehören.
var toRemove = product.Pictures.Where(p => !guids.Contains(p.Id)).ToArray();
foreach (var p in toRemove) { product.Pictures.Remove(p); }
for(var i=0; i<gs.Count(); i+=1) {
var id = gs[i];
var pp = product.Pictures.FirstOrDefault(p => p.Id == id);
if (pp == null) {
pp = new Picture() {
ProductId = product.Id,
//Picture = _GetPictureById(id)
};
throw new NotImplementedException();
product.Pictures.Add(pp);
}
// Bilder reihen.
pp.Pos = i;
}
}
/// <summary>
/// Tags zum Produkt hinzufügen.
/// </summary>
/// <param name="product"></param>
/// <param name="tagIds"></param>
private void _SetProductTags(Product product, int[] tagIds)
{
var toRemove = product.Tags.Where(p => !tagIds.Contains(p.Id)).ToArray();
foreach (var t in toRemove) { product.Tags.Remove(t); }
foreach (var id in (tagIds ?? new int[]{})) {
if (!product.Tags.Any(t => t.Id == id)) {
product.Tags.Add(db.Tags.Find(id));
}
}
}
