public ActionResult Create([Bind(Include = "ID,StudentID,BookID,IsReturn")] BorrowAndReturnInput borrowAndReturnInput)
{
var borrowAndReturn = new BorrowAndReturn();
if (ModelState.IsValid)
{
//db.BorrowAndReturns.Add(borrowAndReturn);
//db.SaveChanges();
var userInfoObj = unitOfWork.UserInfoRepository.Get()
.Where(ctx => ctx.StudentID.Equals(borrowAndReturnInput.StudentID) == true)
.ToList();
if (userInfoObj.Count() == 0)
{
ModelState.AddModelError("StudentID", "No student with this ID");
}
var book = unitOfWork.BookRepository.Get()
.Where(item => item.ID == borrowAndReturnInput.BookID)
.ToList();
if (book.Count() == 0)
{
ModelState.AddModelError("BookID", "No book with this ID");
}
else
{
if (book[0].IsAvaliable == true)
{
ModelState.AddModelError("BookID", "The book has been borrowed!");
}
else
{
book[0].IsAvaliable = true;
borrowAndReturn = new BorrowAndReturn
{
BookID = borrowAndReturnInput.BookID,
UserID = userInfoObj[0].UserID,
BorrowTime = DateTime.Now,
IsReturn = false
};
unitOfWork.BorrowAndReturnRepository.Insert(borrowAndReturn);
unitOfWork.Save();
return(RedirectToAction("Index"));
}
}
}
return(View(borrowAndReturnInput));
}
public ActionResult Return([Bind(Include = "BookID")] BorrowAndReturnInput borrowAndReturnInput)
{
var bookObj = unitOfWork.BookRepository.Get()
.Where(item => item.ID == borrowAndReturnInput.BookID)
.ToList();
if (bookObj.Count() == 0)
{
//throw new Exception("请核查图书库内是否有该本图书");
ModelState.AddModelError("BookID", "Please check whether exists the book in the library!");
}
var borrow = unitOfWork.BorrowAndReturnRepository.Get()
.Where(item => item.BookID == bookObj[0].ID)
.ToList();
if (borrow == null)
{
//throw new Exception("请核查该本图书是否已经借阅");
ModelState.AddModelError("BookID", "Please check whether this book is borrowed!");
}
var tmp = DateTime.Now - borrow[0].BorrowTime;
var days = tmp.Days;
/*var borrowAndReturn = new BorrowAndReturnInput()
* {
* BookID = borrow[0].BookID,
* StudentID = borrowAndReturnInput.StudentID,
* ReturnTime = DateTime.Now,
* IsReturn = true,
* ExpiredDays = days
* };*/
borrow.LastOrDefault().IsReturn = true;
borrow.LastOrDefault().ReturnTime = DateTime.Now;
borrow.LastOrDefault().ExpiredDays = days;
var book = unitOfWork.BookRepository.GetByID(borrowAndReturnInput.BookID);
book.IsAvaliable = false;
unitOfWork.Save();
return(RedirectToAction("Index"));
}
