public IHttpActionResult GetTransactions(int userID, BookTransactionStatus?status = null)
{
List <BookTransaction> bookTransactions = new List <BookTransaction>();
if (status == null)
{
bookTransactions = BookTransactionRepository.GetCacheBookTransactions().Where(x => x.UserID == userID).ToList();
return(Json(bookTransactions.Select(x => new
{
BookName = BookRepository.GetCacheBooks().FirstOrDefault(y => y.ID == x.BookID).Name,
x.DateOfReserved,
x.DateOfReturned
})));
}
else
{
bookTransactions = BookTransactionRepository.GetCacheBookTransactions().Where(x => x.UserID == userID && x.Status == status).ToList();
return(Json(bookTransactions.Select(x => new
{
BookName = BookRepository.GetCacheBooks().FirstOrDefault(y => y.ID == x.BookID).Name,
x.DateOfReserved,
x.DateOfReturned
})));
}
}
public IHttpActionResult ReserveBook(int bookID, int userID)
{
try
{
BookStock bs = BookStockRepository.GetCacheBookStocks().FirstOrDefault(x => x.BookID == bookID && x.Status == BookStockStatus.Available);
if (bs == null)
{
//The stocks of the book you have researched for is insufficient
return(Json("0"));
}
int returnedCount = BookTransactionRepository.GetCacheBookTransactions().Where(x => x.UserID == userID && x.Status != BookTransactionStatus.Returned).Count();
if (returnedCount == 3)
{
return(Json("-2"));
}
BookTransaction bt = new BookTransaction();
bt.BookID = bookID;
bt.DateOfReserved = DateTime.Now;
bt.ExpirationOfReserveDate = DateTime.Now.AddDays(7);
bt.UserID = userID;
bt.Status = BookTransactionStatus.Reserved;
BookTransactionRepository btr = new BookTransactionRepository();
btr.AddEntity(bt);
bs.Status = BookStockStatus.Reserved;
BookStockRepository bsr = new BookStockRepository();
bsr.UpdateEntity(bs);
LogRepository.NewLog(bookID, userID);
}
catch (Exception)
{
return(Json("-1"));
}
return(Json("1"));
}