private async Task GiveUserSupporterRole(User user) { await _userManager.RemoveFromRoleAsync(user, Roles.RegisteredUser); await _userManager.AddToRoleAsync(user, Roles.Supporter); var emailContent = _emailContentService.GetCityToSupporterRoleOnApproveEmail(); await _emailSendingService.SendEmailAsync(user.Email, emailContent.Subject, emailContent.Message, emailContent.Title); }