public async Task <IActionResult> OnPostAsync(long sendAmount, string message, int reciveVetMemberId) { UserContext = CoreService.GetUserContext(); if (UserContext == null) { return(NotFound()); } if (sendAmount <= 0) { this.ModelState.AddModelError("sendAmount", "1以上の数を指定してください"); return(OnGet(null)); } if (UserContext.Amount < sendAmount) { this.ModelState.AddModelError("sendAmount", "残高が不足しています"); return(OnGet(null)); } CoreService.AddTransaction(UserContext, sendAmount, message, reciveVetMemberId, CoinTransactionType.Transfer); await CoreService.SavechanesAsnc(); var reciveMember = DbContext.VetMembers.Find(reciveVetMemberId); var lastAmount = CoreService.CalcAmount(reciveMember); await Notification(UserContext.CurrentUser, reciveMember, sendAmount, message, lastAmount); return(RedirectToPage("/index")); }