public async Task<IActionResult> AssignRole(UserAssignRoleVM model)
{
if (ModelState.IsValid)
{
bool success;
if (model.User == null)
{
IdentityUser user = await _userManager.FindByIdAsync(model.UserId);
success = await ReplaceRole(user, model.SelectedRole);
}
else
{
success = await ReplaceRole(model.User, model.SelectedRole);
}
if (success == false)
{
ViewBag.ErrorMessage = "There must always be at least one admin.";
// TODO: replace ViewBag.ErrorMessage with UserIndexVM errormessages.
UserIndexVM vm = new UserIndexVM(_userManager);
return View(nameof(Index), vm);
}
}
return RedirectToAction(nameof(Index));
}
public IActionResult AssignRole(string userId)
{
IdentityUser user = _userManager.Users.First(x => x.Id == userId);
UserAssignRoleVM vm = new UserAssignRoleVM(user, _roleManager.Roles);
return View(vm);
}