public static async Task <IdentityResult> DeleteAccountAsync(this FaToolUserManager um, FaToolUser user)
        {
            if (user.IsAdminUser())
            {
                return(IdentityResult.Failed("Can't delete admin user account."));
            }

            var currentRoles = await um.GetRolesAsync(user.Id);

            var result = await um.RemoveFromRolesAsync(user.Id, currentRoles.ToArray());

            if (result.Succeeded)
            {
                result = await um.DeleteAsync(user);
            }

            return(result);
        }
        public static async Task <IdentityResult> LockAccountAsync(this FaToolUserManager um, FaToolUser user, int?forMinutes)
        {
            if (user.IsAdminUser())
            {
                return(IdentityResult.Failed("Can't lock admin user account."));
            }

            var result = await um.SetLockoutEnabledAsync(user.Id, true);

            if (result.Succeeded)
            {
                if (forMinutes.HasValue)
                {
                    result = await um.SetLockoutEndDateAsync(user.Id, DateTimeOffset.UtcNow.AddMinutes(forMinutes.Value));
                }
                else
                {
                    result = await um.SetLockoutEndDateAsync(user.Id, DateTimeOffset.MaxValue);
                }
            }

            return(result);
        }