public async Task <IActionResult> Edit(int id, Memoir memoir)
        {
            if (id != memoir.MemoirId)
            {
                return(NotFound());
            }

            if (ModelState.IsValid)
            {
                try
                {
                    _context.Update(memoir);
                    await _context.SaveChangesAsync();
                }
                catch (DbUpdateConcurrencyException)
                {
                    if (!MemoirExists(memoir.MemoirId))
                    {
                        return(NotFound());
                    }
                    else
                    {
                        throw;
                    }
                }
                return(RedirectToAction(nameof(Index)));
            }
            MemoirEditDetailDeleteViewModel memoirEditDetailDeleteViewModel = new MemoirEditDetailDeleteViewModel(memoir);

            return(View(memoirEditDetailDeleteViewModel));
        }
        public async Task <IActionResult> Edit(int?id)
        {
            if (id == null)
            {
                return(NotFound());
            }

            var memoir = await _context.Memoir.FindAsync(id);

            if (memoir == null)
            {
                return(NotFound());
            }
            MemoirEditDetailDeleteViewModel memoirEditDetailDeleteViewModel = new MemoirEditDetailDeleteViewModel(memoir);

            return(View(memoirEditDetailDeleteViewModel));
        }
        public async Task <IActionResult> Delete(int?id)
        {
            if (id == null)
            {
                return(NotFound());
            }

            var memoir = await _context.Memoir
                         .Include(m => m.AppUser)
                         .FirstOrDefaultAsync(m => m.MemoirId == id);

            if (memoir == null)
            {
                return(NotFound());
            }
            MemoirEditDetailDeleteViewModel memoirEditDetailDeleteViewModel = new MemoirEditDetailDeleteViewModel(memoir);

            return(View(memoirEditDetailDeleteViewModel));
        }