public async Task <int?> DeleteBookAsync(AllBooksModel allBooksModel)
{
// implement the delete function
var deleteBook = await _context.Books.FirstOrDefaultAsync(u => u.Id == allBooksModel.Id);
_context.Books.Remove(deleteBook);
return(await _context.SaveChangesAsync());
}
public ActionResult AllBooks(AllBooksModel model)
{
using (var d = new UserContext())
{
d.Books.Add(model.NewBook);
d.SaveChanges();
}
return(AllBooks());
}
public async Task <IActionResult> DeleteBook(AllBooksModel allBooksModel)
{
// delete book method
var book = await _adminBookRepository.DeleteBookAsync(allBooksModel);
if (book == null)
{
return(Json(new { success = false, message = "Error while deleting book" }));
}
return(Json(new { success = true, message = "book deleted successful!" }));
}
//All books page calles to Render
public ActionResult AllBooks()
{
ViewBag.Message = "Here are all books listed, you can add any books with a valid ISBN.";
List <Books> items = null;
using (var d = new UserContext())
{
items = d.Books.AsEnumerable().ToList();
AllBooksModel model = new AllBooksModel();
model.AllBooks = items;
return(View(model));
}
}
public async Task <IActionResult> UpdateBook(AllBooksModel allBooksModel)
{
// check validate and update book data
if (ModelState.IsValid)
{
var result = await _adminBookRepository.UpdateBookAsync(allBooksModel);
if (result > 0)
{
ViewBag.IsSuccess = true;
return(View(allBooksModel));
}
}
ModelState.AddModelError("", "Something is wrong! Please try again");
return(View(allBooksModel));
}
public async Task <int> UpdateBookAsync(AllBooksModel allBookModel)
{
// update the yser book data
var book = await _context.Books.FindAsync(allBookModel.Id);
if (book != null)
{
book.Title = allBookModel.Title;
book.Category = allBookModel.Category;
book.Description = allBookModel.Description;
book.TotalPage = allBookModel.TotalPage.HasValue ? allBookModel.TotalPage.Value : 0;
}
_context.Books.Update(book);
await _context.SaveChangesAsync();
return(allBookModel.Id);
}
public async Task <IActionResult> UpdateBook(int id)
{
// display user book data
var book = await _adminBookRepository.GetBookById(id);
if (book == null)
{
return(NotFound($"Unable to load user book data"));
}
var allBooksModel = new AllBooksModel()
{
Id = book.Id,
Title = book.Title,
Description = book.Description,
Category = book.Category,
TotalPage = book.TotalPage,
};
return(View(allBooksModel));
}
