public ResultDto UpdateTeacher(TeacherEditDto itemToSave)
{
this.SetResponseHeaderCacheExpiration();
AccountPassword credentials = this.GetCredentialsFromRequest();
AccountServerService accountService = new AccountServerService();
Guid accountId = accountService.GetAccountId(credentials.Account);
TeacherServerService service = new TeacherServerService();
return service.UpdateTeacher(itemToSave, accountId);
}