public async Task <bool> SignInStepOne(SignInStepOneViewModel model) { var phone = model.PhoneNumber.Trim().ToNormalPhoneNumber(); Random rnd = new Random(); var code = rnd.Next(100000, 999999).ToString(); if (!await _context.Users.AnyAsync(w => w.PhoneNumber == phone)) { var userAdd = new User { PhoneNumber = phone, RoleEnum = (int)RoleEnum.User, SecurityCode = code, SecurityCodeExpiration = DateTime.Now.AddMinutes(3) }; _context.Users.Add(userAdd); await _context.SaveChangesAsync(); } else { var user = await _context.Users.FirstOrDefaultAsync(w => w.PhoneNumber == phone); user.SecurityCode = code; user.SecurityCodeExpiration = DateTime.Now.AddMinutes(3); await _context.SaveChangesAsync(); } //ارسال کد فعالسازی از طریق پیامک return(_smsHelper.SendSecurityCode(phone, code)); }