public async Task <ActionResult> AddRoleToUser(RolesAndUsersDropDownViewModel model)
{
if (!ModelState.IsValid)
{
return(View(GetRolesAndUsersForDropDownList()));
}
var user = await UserManager.FindByNameAsync(model.SelectedUserName);
var role = await RoleManager.FindByNameAsync(model.SelectedRoleName);
if (user == null)
{
ModelState.AddModelError("", "User not found");
return(View(GetRolesAndUsersForDropDownList()));
}
if (role == null)
{
ModelState.AddModelError("", "Role not found");
return(View(GetRolesAndUsersForDropDownList()));
}
if (UserManager.IsInRole(user.Id, model.SelectedRoleName))
{
ModelState.AddModelError("", "This user already has the role specified !");
return(View(GetRolesAndUsersForDropDownList()));
}
await UserManager.AddToRoleAsync(user.Id, role.Name);
if (User.Identity.GetUserId() == user.Id)
{
AuthenticationManager.SignOut(DefaultAuthenticationTypes.ApplicationCookie);
await SignInManager.SignInAsync(user, isPersistent : false, rememberBrowser : false);
}
return(RedirectToAction("Index", new RolesAndUsersDropDownViewModel {
SelectedUserName = model.SelectedUserName
}));
}
private RolesAndUsersDropDownViewModel GetRolesAndUsersForDropDownList()
{
var roles = RoleManager.Roles.ToList();
var users = UserManager.Users.ToList();
var rolesAndUsers = new RolesAndUsersDropDownViewModel()
{
Roles = roles.Select(s => new SelectListItem
{
Value = s.Name,
Text = s.Name
}),
Users = users.Select(s => new SelectListItem
{
Value = s.UserName,
Text = s.UserName
})
};
return(rolesAndUsers);
}
