public async Task <IActionResult> CheckoutBook(string Id)//vm
{
if (Id == null)
{
ViewBag.ErrorTitle = $"You are tring to CheckOut a book with invalid model state!";
ViewBag.ErrorMessage = "Book Id cannot be null!";
return(View("Error"));
}
ClaimsPrincipal currUser = this.User;
var userId = currUser.FindFirst(ClaimTypes.NameIdentifier).Value;
//var user = await _userManager.GetUserAsync(User);
var book = await _bookService.FindByIdAsync(Id);
if (book == null)
{
ViewBag.ErrorTitle = $"You are tring to CheckOut a book with invalid model state!";
return(View("Error"));
}
if (book.Copies <= 0)
{
ViewBag.ErrorTitle = $"You are tring to CheckOut a book without copies available !";
return(View("Error"));
}
var hr = await _historyService.CheckoutBookAsync(Id, userId);
var checkoutBookVm = new CheckoutBookViewModel
{
Title = book.Title,
AuthorName = book.Author.Name,
Country = book.Country,
ReturnDate = hr.ReturnDate,
SubjectCategoryName = book.SubjectCategory.Name,
Pages = book.Pages,
Year = book.Year,
Language = book.Language,
CoverImageUrl = book.CoverImageUrl
};
//TODO: try-catch!!!!! ( catch exeption (return BadRequest(ex msg)) !!!
var user = await _userManager.GetUserAsync(User);
var username = user.UserName;
var notificationDescription = _notificationManager.CheckOutBookDescription(username, book.Title);
var notification = await _notificationService.CreateNotificationAsync(notificationDescription, username);
_toast.AddSuccessToastMessage("You checked out book successfully!");
return(View(checkoutBookVm));
}
public static IReadOnlyCollection <CheckoutBookViewModel> MapToCheckOutViewModel(this IDictionary <Book, DateTime> checkOuts)
{
var checkOutsOfUserVm = new List <CheckoutBookViewModel>();
foreach (var checkoutPair in checkOuts)
{
//всеки път new , защото е референтен тип и се променят старите иначе.. :)
var viewModel = new CheckoutBookViewModel();
viewModel.ReturnDate = checkoutPair.Value;
viewModel.Id = checkoutPair.Key.Id;
viewModel.Title = checkoutPair.Key.Title;
viewModel.AuthorName = checkoutPair.Key.Author.Name;
viewModel.Country = checkoutPair.Key.Country;
viewModel.Pages = checkoutPair.Key.Pages;
viewModel.Year = checkoutPair.Key.Year;
viewModel.Language = checkoutPair.Key.Language;
viewModel.Copies = checkoutPair.Key.Copies;
viewModel.SubjectCategoryName = checkoutPair.Key.SubjectCategory.Name;
viewModel.CoverImageUrl = checkoutPair.Key.CoverImageUrl;
checkOutsOfUserVm.Add(viewModel);
}
return(checkOutsOfUserVm);
}
