public ActionResult Borrow(string id)
{
currentUser = db.standardUsers.Find(currentUser.Id);
if (id == null)
{
ViewBag.error = "Isbn no girilmedi";
return(View("Error"));
}
Book book = db.books.Find(id);
if (book == null)
{
ViewBag.error = "Kitap bulunamadı";
return(View("Error"));
}
if (book.userMap != null)
{
ViewBag.error = "Bu kitap teslim alınmış.";
return(View("Error"));
}
List <Book> myBooks = db.books.Include(a => a.userMap).Where(x => x.userMap.userId == currentUser.Id).ToList();
if (myBooks.Count >= 3)
{
ViewBag.error = "Bir kullanıcı 3'ten fazla sayıda kitap alamaz.";
return(View("Error"));
}
if (myBooks.Where(x => x.userMap.deliveryDate < Kutuphane.Date.Date.date).ToList().Count > 0)
{
ViewBag.error = "Teslim süren geçmiş kitapların var. Önce onları teslim et.";
return(View("Error"));
}
UserBookMap willBeAdded = new UserBookMap();
willBeAdded.book = book;
willBeAdded.deliveryDate = Kutuphane.Date.Date.date.AddDays(7);
willBeAdded.Isbn = book.Isbn;
willBeAdded.user = currentUser;
willBeAdded.userId = currentUser.Id;
db.userBookMaps.Add(willBeAdded);
db.SaveChanges();
return(RedirectToAction("MyBooks"));
}
public ActionResult Deliver(string id)
{
currentUser = db.standardUsers.Find(currentUser.Id);
if (id == null)
{
ViewBag.error = "Isbn no girilmedi";
return(View("Error"));
}
Book book = db.books.Find(id);
if (book == null)
{
ViewBag.error = "Kitap bulunamadı";
return(View("Error"));
}
if (book.userMap == null)
{
ViewBag.error = "Kitap kütüphanemizdedir.";
return(View("Error"));
}
if (book.userMap.userId != currentUser.Id)
{
ViewBag.error = "Başka kişinin üzerinde olan kitabı sen teslim edemezsin";
return(View("Error"));
}
else
{
UserBookMap willBeDeleted = db.userBookMaps.FirstOrDefault(a => a.Isbn == id && a.userId == currentUser.Id);
if (willBeDeleted != null)
{
db.userBookMaps.Remove(willBeDeleted);
db.SaveChanges();
}
}
return(RedirectToAction("MyBooks"));
}