public IHttpActionResult PutPortfolioBook(int Id, PortfolioBook portfolioBook)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
if (Id != portfolioBook.Id)
{
return BadRequest();
}
try
{
db.PortfolioBooks.Attach(portfolioBook);
db.Entry(portfolioBook).State = EntityState.Modified;
db.SaveChanges();
db.Entry(portfolioBook).Collection(pb => pb.Items).Load();
//Create a new temporary list to store the items.
List<PortfolioItem> tempPortfolioItems = new List<PortfolioItem>();
foreach (var item in portfolioBook.Items)
{
tempPortfolioItems.Add(item);
}
//Go through the temporary list, figuring out if we need to add
//or update the item.
foreach (var item in tempPortfolioItems)
{
var portItemToDelete = db.PortfolioItems.Where(t => t.Id == item.Id).FirstOrDefault();
//If we found it in the database we need to update it.
if (portItemToDelete != null)
{
//update case
db.PortfolioItems.Attach(item);
db.Entry(portItemToDelete).State = EntityState.Modified;
}
//Otherwise we're going to add it.
else
{
//adding
db.PortfolioItems.Add(item);
}
}
db.SaveChanges();
return Ok<PortfolioBook>(portfolioBook);
}
catch (Exception ex)
{
//There was a problem storing the portfolio
return StatusCode(HttpStatusCode.InternalServerError);
}
}
public IHttpActionResult PostPortfolioBook(PortfolioBook portfolioBook)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
db.PortfolioBooks.Add(portfolioBook);
db.SaveChanges();
return Ok<PortfolioBook>(portfolioBook);
}