public async Task <IActionResult> ChangeRoles(ChangeRolesModel model)
{
var currentUser = await this.userManager.FindByEmailAsync(User.Identity.Name);
var currentRoles = await this.userManager.GetRolesAsync(currentUser);
// Add any new roles.
var newRoles = model.Roles.Except(currentRoles).ToList();
await this.userManager.AddToRolesAsync(currentUser, newRoles);
// Remove any old roles we're no longer in.
var removedRoles = currentRoles.Except(model.Roles).ToList();
await this.userManager.RemoveFromRolesAsync(currentUser, removedRoles);
// After we change roles, we need to call SignInAsync before AspNetCore Identity picks up the new roles.
await this.signInManager.SignInAsync(currentUser, true);
return(RedirectToAction("Index", "Home"));
}
public async Task <ChangeRolesModel> GetAllRolesForUser(string userId)
{
var user = await userManager.FindByIdAsync(userId);
try
{
var userRoles = await userManager.GetRolesAsync(user);
var allRoles = roleManager.Roles.ToList();
var model = new ChangeRolesModel
{
UserId = user.Id,
UserEmail = user.Email,
UserRoles = userRoles,
AllRoles = allRoles
};
return(model);
}
catch (NullReferenceException e)
{
throw e;
}
}
