public async Task<ActionResult> Edit(string id)
{
_dbContext = HttpContext.GetOwinContext().Get<ApplicationDbContext>();
var user = await (from u in _dbContext.Users
select new
{
UserId = u.Id,
u.UserName,
Roles = _dbContext.Roles.Where(r => u.Roles.Any(ur => ur.RoleId == r.Id)).Select(r => r.Name)
}).SingleOrDefaultAsync(u => u.UserId == id);
if (user == null)
return HttpNotFound();
var roles = await _dbContext.Roles.ToListAsync();
var viewModel = new EditUserRoleViewModel
{
UserId = user.UserId,
UserName = user.UserName,
SelectedRoles = user.Roles,
Roles = roles
};
return View(viewModel);
}
public async Task<ActionResult> Edit(EditUserRoleViewModel viewModel)
{
_dbContext = HttpContext.GetOwinContext().Get<ApplicationDbContext>();
if (!ModelState.IsValid)
{
viewModel.Roles = await _dbContext.Roles.ToListAsync();
return View(viewModel);
}
var user = _dbContext.Users.Find(viewModel.UserId);
user.Roles.Clear();
foreach (var roleId in viewModel.SelectedRoles)
{
user.Roles.Add(new IdentityUserRole { RoleId = roleId });
}
await _dbContext.SaveChangesAsync();
return RedirectToAction("Index");
}