public ActionResult Create(BorrowCreateViewModel model)
{
if (model.ChoosenBooks.Contains(-1))
{
ModelState.AddModelError("emptyBook", "Each list must have a book selected");
}
if (model.ChoosenBooks.Length != model.ChoosenBooks.Distinct().Count())
{
ModelState.AddModelError("haveDuplicate", "It isn't possible to borrow two identical books.");
}
if (!ModelState.IsValid)
{
var errorList = (from item in ModelState
where item.Value.Errors.Any()
select item.Value.Errors[0].ErrorMessage).ToList();
return(Json(new { success = false, errors = errorList }, JsonRequestBehavior.AllowGet));
}
borrowService.InsertBorrows(model);
return(Json(new { success = true }, JsonRequestBehavior.AllowGet));
}