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;
}
private async Task Loan(InfoRequest infoReq)
{
var bookList = await this._bookRepository.GetBookListByUsername(infoReq.Username);
var book = bookList.Where(x => x.Code == infoReq.BookCode).FirstOrDefault();
var user = await this._usersRepository.GetUserByUsername(infoReq.Username);
book.IsLoaned = true;
book.User = user == null ? new User() { Username = infoReq.Username } : user;
this._bookRepository.Edit(book);
}
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;
}
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;
}
public async Task<LibraryBooksOperationResult> ExecuteOperation(InfoRequest infoRequest)
{
LibraryBooksOperationResult result;
result = validate(infoRequest);
if (result.Success)
{
await Loan(infoRequest);
await this._bookRepository.Save();
}
return result;
}
private async Task Register(InfoRequest infoRequest)
{
var user = await this._usersRepository.GetUserByUsername(infoRequest.Username);
await this._bookRepository.Add(new Book()
{
Code = infoRequest.BookCode,
LoanDate = infoRequest.LoanDate,
IsLoaned = true,
ReturnDate = infoRequest.ReturnDate,
User = user == null ? new User() { Username = infoRequest.Username } : user
});
}
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());
}
}
public async Task<LibraryBooksOperationResult> ExecuteOperation(InfoRequest infoRequest)
{
LibraryBooksOperationResult result;
var bookList = await this._bookRepository.GetBookListByUsername(infoRequest.Username);
var book = bookList.Where(x => x.Code == infoRequest.BookCode).FirstOrDefault();
var user = await this._usersRepository.GetUserByUsername(infoRequest.Username);
result = validate(infoRequest, book);
if (result.Success || result.Message.Equals(ValidationMessages.BookLoanExceeds30Days))
{
if (result.Message.Equals(ValidationMessages.BookLoanExceeds30Days))
{
user.isFined = true;
await this._usersRepository.Save();
}
Return(infoRequest, book);
await this._bookRepository.Save();
}
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 async Task<LibraryBooksOperationResult> ExecuteBookOperation(InfoRequest infoReq)
{
return await container.Resolve<ILibraryOperations>(infoReq.OperationType.ToString()).ExecuteOperation(infoReq);
}
private void Return(InfoRequest infoRequest, Book book)
{
book.IsLoaned = false;
book.ReturnDate = infoRequest.ReturnDate;
this._bookRepository.Edit(book);
}
