public async Task<ActionResult> AddUserToRole(string mailId, string role)
{
ApplicationUser user = await _userManager.FindByEmailAsync(mailId);
if (user == null)
{
user = await _userutils.CreateNonExistentUser(mailId);
}
if (await _roleManager.RoleExistsAsync(role) && !(await _userManager.IsInRoleAsync(user, role)))
{
await _userManager.AddToRoleAsync(user, role);
}
return Ok();
}