private LibraryBooksOperationResult validate(InfoRequest infoReq)
{
var result = new LibraryBooksOperationResult();
var book = this._bookRepository.FindBy(x => x.Code == infoReq.BookCode).Result.FirstOrDefault();
result.Success = !LibraryValidator.isBookAlreadyRegistered(book, ref result);
return result;
}
public static bool isBookLoanExceeds30Days(Book book, ref LibraryBooksOperationResult result, InfoRequest infoReq)
{
if (book.LoanDate.Value.AddDays(30) < infoReq.ReturnDate)
{
result.Message = ValidationMessages.BookLoanExceeds30Days;
return(true);
}
return(false);
}
public static bool isBookAlreadyRegistered(Book book, ref LibraryBooksOperationResult result)
{
if (book != null)
{
result.Message = ValidationMessages.BookAlreadyRegistered;
return(true);
}
return(false);
}
public static bool isUserFined(User user, ref LibraryBooksOperationResult result)
{
if (user.isFined.Value)
{
result.Message = ValidationMessages.UserFined;
return(true);
}
return(false);
}
public static bool isMaxLoanReached(IEnumerable <Book> userBookList, ref LibraryBooksOperationResult result)
{
if (userBookList.Count() > maxNumberBooks)
{
result.Message = ValidationMessages.MaxBookLoanReached;
return(true);
}
return(false);
}
public static bool isBookLoaned(Book book, ref LibraryBooksOperationResult result)
{
if (book != null && book.IsLoaned.HasValue && book.IsLoaned.Value)
{
result.Message = ValidationMessages.BookAlreadyLoaned;
return(true);
}
return(false);
}
public static bool isBookNull(Book book, ref LibraryBooksOperationResult result)
{
if (book == null)
{
result.Message = ValidationMessages.BookNotExist;
return(true);
}
return(false);
}
public static bool isBookLoanExceeds30Days(Book book, ref LibraryBooksOperationResult result, InfoRequest infoReq)
{
if (book.LoanDate.Value.AddDays(30) < infoReq.ReturnDate)
{
result.Message = ValidationMessages.BookLoanExceeds30Days;
return true;
}
return false;
}
public static bool isBookAlreadyRegistered(Book book, ref LibraryBooksOperationResult result)
{
if (book != null)
{
result.Message = ValidationMessages.BookAlreadyRegistered;
return true;
}
return false;
}
public static bool isUserFined(User user, ref LibraryBooksOperationResult result)
{
if (user.isFined.Value)
{
result.Message = ValidationMessages.UserFined;
return true;
}
return false;
}
public static bool isMaxLoanReached(IEnumerable<Book> userBookList, ref LibraryBooksOperationResult result)
{
if (userBookList.Count() > maxNumberBooks)
{
result.Message = ValidationMessages.MaxBookLoanReached;
return true;
}
return false;
}
public static bool isBookLoaned(Book book, ref LibraryBooksOperationResult result)
{
if (book != null && book.IsLoaned.HasValue && book.IsLoaned.Value)
{
result.Message = ValidationMessages.BookAlreadyLoaned;
return true;
}
return false;
}
public static bool isBookNull(Book book, ref LibraryBooksOperationResult result)
{
if (book == null)
{
result.Message = ValidationMessages.BookNotExist;
return true;
}
return false;
}
private LibraryBooksOperationResult validate(InfoRequest infoReq, Book book)
{
var result = new LibraryBooksOperationResult();
result.Success = !LibraryValidator.isBookNull(book, ref result)
&& LibraryValidator.isBookLoaned(book, ref result)
&& LibraryValidator.isBookLoanExceeds30Days(book, ref result, infoReq);
return result;
}
private LibraryBooksOperationResult validate(InfoRequest infoReq)
{
var result = new LibraryBooksOperationResult();
var user = this._usersRepository.GetUserByUsername(infoReq.Username).Result;
var book = this._bookRepository.FindBy(x => x.Code == infoReq.BookCode).Result.FirstOrDefault();
var userBookList = this._bookRepository.GetBookListByUsername(infoReq.Username).Result;
result.Success = !LibraryValidator.isBookNull(book, ref result)
&& !LibraryValidator.isBookLoaned(book, ref result)
&& !LibraryValidator.isMaxLoanReached(userBookList,ref result)
&& !LibraryValidator.isUserFined(user, ref result);
return result;
}
private static void Register()
{
var infoReq = new InfoRequest();
AskForValue(Resource.EnterName);
infoReq.Username = inputValue;
AskForValue(Resource.EnterBook);
infoReq.BookCode = inputValue;
result = libraryService.ExecuteBookOperation(infoReq).Result;
if (result.Success)
{
PrintMessage(Resource.RegisterBookSuccess);
}
else
{
PrintMessage(result.Message.ToString());
}
}