public static bool changeToBorrowed(int code, int status)
{
Lendings lending = DalLending.checkLending(code);
return DalBook.changeStatus(lending.IdBook, status);
}
public static bool changeToFree(int code)
{
Lendings lending = DalLending.checkLending(code);
return DalBook.changeStatus(lending.IdBook, 2);
}
// string mailBody = "<div><b>" + user.FirstName + "שלום</b>" +
//"<p>Bookmark תודה שהשתמשת בשרותי </p>" +
//"<p>מקוים שנהנית</p>" +
//"<p>" + book.NameBook + "הספר" +
//"" + library.NameLibrary + "מחכה לך בספריה" +
//"<p>:קוד השאלה</p>" +
//"<h3>" + lending.IdLending + "</h3>" +
//"<p>נשמח לעמוד לשרותכם תמיד</p></div>";
public static Books checkLending(int code)
{
Lendings lending = DalLending.checkLending(code);
BooksInLibrary book = DalLending.lendingBook(lending.IdBook);
return DalBook.getBookObj(book.IdBook);
}
public static int checkDaysForFree(int code)
{
Lendings lending = DalLending.checkLending(code);
var dayNow = DateTime.Now;
var dateEnd = lending.EndDate;
if (dayNow.Day - dateEnd.Day > 0)
return dayNow.Day - dateEnd.Day;
else return 0;
}
public static bool changeStatus(int code)
{
int status;
Lendings lending = DalLending.checkLending(code);
BooksInLibrary book = DalLending.lendingBook(lending.IdBook);
if (book.IdStatus == 3)
status = 1;
else
status = 2;
return DalBook.changeStatus(lending.IdBook, status);
}
public static int checkStatus(int code)
{
Lendings lending = DalLending.checkLending(code);
BooksInLibrary book = DalLending.lendingBook(lending.IdBook);
if (book.IdStatus == 2)
{
return -1;
}
else if (book.IdStatus == 1)
return checkDaysForFree(code);
else return 0;
}
public static bool updateStatusEveryDay()
{
DateTime dateTime = DateTime.Now;
BooksInLibrary[] catchBooksArray = DalBook.getAllCatchBooks();//all catch books
foreach (var catchBook in catchBooksArray)
{
int days = DalLending.getStartLending(catchBook.IdBook);
if (days != -1)
{
if (DateTime.Now.Day - days > 2)
{
if (!DalBook.changeStatus(catchBook.IdBook, 2))//change status to free
return false;
}
}
else
{
return false;
}
}
return true;
}
public static bool addLending(Lendings lending)
{
BooksInLibrary book = BLBook.getBook(lending.IdBook);//gettin book according to bookId
Users user = BLUser.getUser(lending.IdUser);//gettin user according to userId
lending.StartDate = DateTime.Now;//setting the lend date for today
lending.EndDate = lending.StartDate.AddDays(Convert.ToDouble(book.LendingDuration));
//setting the lend expiration date for today plus the borrowing time
Lendings newLending = DalLending.addLending(lending);//add new lending
if (newLending != null)
{
if (changeBookStatuse(lending.IdBook, 3)) //3 means catch-statusLending table(1-borrowed,2-free,3-catch)
{
Books bookObj = BLBook.getBookObj(book.IdBook);
string mailSubject = "lending book";
if (BLSendinMail.SendingEmail(buildMailBodyForLending(lending, user.FirstName, bookObj.NameBook), mailSubject, user.EMail))//sending mail
{
return true;
}
else
{
DalLending.deleteLending(newLending.IdLending);//if can't send email deleting the lending from the DB
return false;
}
}
else
{
DalLending.deleteLending(newLending.IdLending);//if can't change the status of the book(to catch) deleting the lending from the DB
return false;
}
}
else
{
return false;//if can't create the new lending deleting the lending from the DB
}
}
