public ActionResult Buy(int? id)
{
if (id == null)
{
return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
}
Book book = db.Books.Find(id);
if (book == null)
{
return HttpNotFound();
}
// оформление заявки на покупку книги
ApplicationUser user = db.Users.Find(UserId);
// если такая заявка уже существует
var bid = db.Bids.ToList().Find(x => (x.UserCreate == user && x.BookToBuy == book));
if (bid!=null)
{
return View("NewBid", bid);
}
bid = new Bid
{
Status = EStatus.Created,
IsChecked = false,
CreateAt = DateTime.Now,
UserCreate = user,
BookToBuy = book
};
db.Bids.Add(bid);
book.Bids.Add(bid);
db.Entry(book).State = EntityState.Modified;
db.SaveChanges();
bid = db.Bids.ToList().Find(x => x.BookToBuy == book);
return View("NewBid", bid);
}
public ActionResult SuggestExchange(ExchangeModel model)
{
if (ModelState.IsValid)
{
ApplicationUser user = db.Users.Find(UserId);
model.CreateBooksList(db, UserId);
// если такая заявка уже существует
var bid = db.Bids.ToList().Find(x => (x.UserCreate == user &&
(x.WantedBook != null && x.WantedBook.ID == model.WantedBookID) &&
x.SuggestedBook == model.Books.Find(y => y.Title == model.Title)));
if (bid != null)
{
return View("NewBid", bid);
}
bid = new Bid
{
Status = EStatus.Created,
CreateAt = DateTime.Now,
IsChecked = false,
UserCreate = user,
WantedBook = db.Books.Find(model.WantedBookID),
SuggestedBook = model.Books.Find(y => y.Title == model.Title)
};
Book wantedBook = db.Books.Find(bid.WantedBook.ID);
Book suggestedBook = db.Books.Find(bid.SuggestedBook.ID);
db.Bids.Add(bid);
wantedBook.Bids.Add(bid);
db.Entry(wantedBook).State = EntityState.Modified;
db.SaveChanges();
bid = db.Bids.ToList().Find(x => (x.WantedBook == wantedBook && x.SuggestedBook == suggestedBook));
return View("NewBid", bid);
}
model.CreateBooksList(db, UserId);
return View(model);
}