public bool BorrowBook(Reader reader, ReaderType readerType, Book book, Reader OperatorUser)
{
if (reader == null || readerType == null || book == null || OperatorUser == null)
{
return(false);
}
if (reader.rdStatus != "有效" || (readerType.CanLendQty - reader.rdBorrowQty) <= 0)
{
return(false);
}
if (book.bkStatus != "在馆")
{
return(false);
}
reader.rdBorrowQty++;
readerDAL.Update(reader);
book.bkStatus = "借出";
bookDAL.Update(book);
Borrow borrow = new Borrow();
borrow.rdID = reader.rdID;
borrow.bkID = book.bkID;
borrow.ldContinueTimes = 0;
borrow.ldDateOut = DateTime.Now;
borrow.ldDateRetPlan = DateTime.Now.AddDays(readerType.CanLendDay);
borrow.lsHasReturn = false;
borrow.OperatorLend = OperatorUser.rdName;
borrowDAL.Add(borrow);
return(true);
}
public int Update(Reader reader)
{
return(readerDAL.Update(reader));
}