internal async Task <bool> ValidateToSave(AddBookInputDto _request)
{
#region User Input Validation
if (_request == null)
{
throw new ValidationsException("InvalidRequest");
}
else if (string.IsNullOrWhiteSpace(_request.Name))
{
throw new ValidationsException("Name Is Required");
}
else if (string.IsNullOrWhiteSpace(_request.Category))
{
throw new ValidationsException("Category Is Required");
}
else if (string.IsNullOrWhiteSpace(_request.Price))
{
throw new ValidationsException("Price Is Required");
}
else if (_request.AuthorId <= default(int))
{
throw new ValidationsException("Author Is Required");
}
#endregion
#region Db Validation
else if (!await GetAuthorIfFound(_request.AuthorId))
{
throw new ValidationsException("Author Not Found in Our DataBase");
}
#endregion
return(true);
}
public async Task <bool> HandleUseCase(AddBookInputDto _request, IOutputPort <ResultDto <bool> > Presenter)
{
//Validate of Incoming Request
await new BookSharedMethods(_authorRepository).ValidateToSave(_request);
#region Insert New Book
Book book = _mapper.Map <Book>(_request);
await _bookRepository.InsertAsync(book);
if (_request.BookReview?.Any() ?? default)
{
book.BookReviews = _request.BookReview.Select(a => new BookReview()
{
Review = new Review {
Rating = a.Rating, Text = a.Text
}
}).ToList();
}
await _unitOfWork.Commit();
#endregion
Presenter.HandlePresenter(new ResultDto <bool>(true));
return(true);
}
