/// <summary>
/// Initializes a new instance of the <see cref="Service"/> class.
/// </summary>
public Service()
{
string solutionDirectory = Path.GetDirectoryName(Path.GetDirectoryName(Path.GetDirectoryName(Path.GetDirectoryName(Assembly.GetAssembly(this.GetType()).Location))));
Threshold = GetThresholdFromJSON(solutionDirectory);
ErrorsHandler = new ErrorsHandler();
}
/// <summary>
/// Inserts a new Book object in the database.
/// </summary>
/// <param name="book">The book.</param>
/// <returns>True or false.</returns>
public bool AddNewBook(Book book)
{
if (IsValidBook(book))
{
bookRepository.Insert(book);
return(true);
}
else
{
ErrorsHandler.PrintErrors();
}
return(false);
}
/// <summary>
/// Validates the given Book object.
/// </summary>
/// <param name="book">The book.</param>
/// <returns>True or False.</returns>
public bool IsValidBook(Book book)
{
bool isValid = true;
ValidationContext context = new ValidationContext(book);
IList <ValidationResult> validationResults = new List <ValidationResult>();
isValid = Validator.TryValidateObject(book, context, validationResults, true);
if (validationResults.Count != 0)
{
foreach (ValidationResult result in validationResults)
{
ErrorsHandler.Add(result.ErrorMessage);
}
isValid = false;
}
if (!isValid)
{
return(false);
}
if (book.Domains.Count > Threshold.MaxDomains)
{
ErrorsHandler.Add(ValidationErrors.TooManyDomains);
isValid = false;
}
if (!isValid)
{
return(false);
}
if (AreRelatedDomains(book.Domains))
{
ErrorsHandler.Add(ValidationErrors.DomainAreRelated);
isValid = false;
}
return(isValid);
}
/// <summary>
/// Validates the given Loan object.
/// </summary>
/// <param name="loan">The loan.</param>
/// <returns>True or False.</returns>
public bool IsValidLoan(Loan loan)
{
bool isValid = true;
ValidationContext context = new ValidationContext(loan);
IList <ValidationResult> validationResults = new List <ValidationResult>();
Validator.TryValidateObject(loan, context, validationResults, true);
if (validationResults.Count != 0)
{
foreach (ValidationResult result in validationResults)
{
ErrorsHandler.Add(result.ErrorMessage);
}
isValid = false;
}
////if (!isValid)
////{
//// return false;
////}
////if(loan.BorrowedEditions.Count > Threshold.MaxBooks)
////{
//// ErrorsHandler.Add(ValidationErrors.TooManyBooks);
//// isValid = false;
////} else
////{
//// if(loan.BorrowedEditions.Count >= 3)
//// {
//// BookService service = new BookService();
//// ContainsMoreThatTwoDomains(loan.BorrowedEditions);
//// }
////}
foreach (Edition edition in loan.BorrowedEditions)
{
if (edition.NoForLoan == 0)
{
ErrorsHandler.Add(ValidationErrors.NoBooksForLoan);
isValid = false;
break;
}
else
{
if (edition.NoForLoan < edition.NoTotal * 0.1)
{
ErrorsHandler.Add(ValidationErrors.TooFewBooks);
isValid = false;
break;
}
}
}
////if (!isValid)
////{
//// return false;
////}
return(isValid);
}