// GET: Authors/Delete/5
public async Task <IActionResult> Delete(int?id)
{
if (id == null)
{
return(NotFound());
}
var author = await _context.Author
.Include(a => a.Books)
.FirstOrDefaultAsync(m => m.Id == id);
if (author == null)
{
return(NotFound());
}
// NOTE: If the author has NO books, we can delete them.
// If the author has some books, we cannot delete them.
var viewModel = new AuthorDeleteViewModel
{
Author = author,
CanDelete = author.Books.Count == 0
};
return(View(viewModel));
}
public IActionResult Delete(int id)
{
Author authorFromDb = _context.GetPodcastAuthor(id);
AuthorDeleteViewModel authorToDelete = new AuthorDeleteViewModel()
{
Id = id,
LastName = authorFromDb.Name,
FirstName = authorFromDb.FirstName
};
return(View(authorToDelete));
}
public async Task <IActionResult> Delete(AuthorDeleteViewModel viewModel)
{
var model = await _context.Authors
.Include(m => m.BookAuthors)
.FirstOrDefaultAsync(x => x.Id == viewModel.Id);
if (model == null)
{
return(NotFound());
}
_context.Authors.Remove(model);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
/*[HttpPost, ActionName("Edit")]
* [ValidateAntiForgeryToken]
* public async Task<IActionResult> Edit(int id, AuthorEditViewModel viewModel)
* {
*
*//*var author = await _context.Author
* .Include(a => a.Books)
* .FirstOrDefaultAsync(a => a.AuthorId == id);*//*
* var author = viewModel.Author;
*
* if (id != author.AuthorId)
* {
* return NotFound();
* }
* if (author == null)
* {
* return NotFound();
* }
* if (author.Books.Count > 0)
* {
* return Forbid();
* }
* else
* {
*
* ModelState.Remove("FirstName");
* ModelState.Remove("LastName");
*
* if (ModelState.IsValid)
* {
* _context.Update(author);
* await _context.SaveChangesAsync();
*//*try
* {
* _context.Update(author);
* await _context.SaveChangesAsync();
* }
* catch (DbUpdateConcurrencyException)
* {
* if (id != author.AuthorId)
* {
* return NotFound();
* }
* if (!AuthorExists(author.AuthorId))
* {
* return NotFound();
* }
* else
* {
* throw;
* }
* }*/
/*return RedirectToAction(nameof(Index));*//*
* }
* return View(viewModel);
* }
* }*/
/*// GET: Authors/Delete/5
* public async Task<IActionResult> Delete(int? id)
* {
* if (id == null)
* {
* return NotFound();
* }
*
* var author = await _context.Author
* .FirstOrDefaultAsync(m => m.AuthorId == id);
* if (author == null)
* {
* return NotFound();
* }
*
* return View(author);
* }
*
* // POST: Authors/Delete/5
* [HttpPost, ActionName("Delete")]
* [ValidateAntiForgeryToken]
* public async Task<IActionResult> DeleteConfirmed(int id)
* {
* var author = await _context.Author.FindAsync(id);
* _context.Author.Remove(author);
* await _context.SaveChangesAsync();
* return RedirectToAction(nameof(Index));
* }*/
/*get Delete*/
public async Task <IActionResult> Delete(int?id)
{
if (id == null)
{
return(NotFound());
}
var author = await _context.Author
.Include(a => a.Books)
.FirstOrDefaultAsync(m => m.AuthorId == id);
if (author == null)
{
return(NotFound());
}
var viewModel = new AuthorDeleteViewModel
{
Author = author,
CanDelete = author.Books.Count == 0
};
return(View(viewModel));
}
