public IHttpActionResult Create(ArtistModel item)
{
if (!this.ModelState.IsValid)
{
return this.BadRequest(this.ModelState);
}
var newItem = new Artist()
{
Name = item.Name,
Country = item.Country,
DateOfBirth = item.DateOfBirth,
};
this.data.Artists.Add(newItem);
this.data.Artists.SaveChanges();
item.Id = newItem.Id;
return this.Ok(item);
}
public IHttpActionResult Update(int id, ArtistModel item)
{
if (!this.ModelState.IsValid)
{
return this.BadRequest(this.ModelState);
}
var existingItem = this.data.Artists.Find(id);
if (existingItem == null)
{
return this.BadRequest("Invalid Artist");
}
// Check if some of the fields in the new data are not null
if (!string.IsNullOrEmpty(item.Name))
{
existingItem.Name = item.Name;
}
if (!string.IsNullOrEmpty(item.Country))
{
existingItem.Country = item.Country;
}
if (item.DateOfBirth != null)
{
existingItem.DateOfBirth = item.DateOfBirth;
}
this.data.Artists.SaveChanges();
item.Id = existingItem.Id;
return this.Ok(item);
}