public async Task <IActionResult> SendGift(TransferDTOin dto)
{
if (!Request.Headers["Referer"].ToString().TrimEnd('/').EndsWith("/SendGift"))
{ // We arrive from elsewhere so not all data filled and no warnings needed
return(View(dto));
}
if (!ModelState.IsValid)
{
ViewData["Error"] = GlobalConstants.GeneralError(ModelState.Values.SelectMany(v => v.Errors).First().ErrorMessage);
return(View(dto));
}
try
{
await transferService.TransferCreditsAsync(User, dto);
}
catch (ArgumentOutOfRangeException ex)
{
ViewData["Error"] = ex.ParamName;
return(View(dto));
}
return(RedirectToAction("Index"));
}
public async Task TransferCreditsAsync(ClaimsPrincipal user, TransferDTOin dto)
{
using (var transaction = await transfersRepository.BeginTransactionAsync())
{
UserGE sender = await _userManager.GetUserAsync(user);
if (sender.CreditBalance < dto.Ammount)
{
throw new ArgumentOutOfRangeException(GlobalConstants.InsufficientFundsError);
}
UserGE reciever = _userManager.Users.FirstOrDefault(x => x.UserName.ToLower() == dto.RecieverUnameOrPhone.ToLower() ||
x.PhoneNumber == Helpers.SanitizePhone(dto.RecieverUnameOrPhone));
if (reciever is null)
{
throw new ArgumentOutOfRangeException(GlobalConstants.UserNotLocatedByPhoneOrUserNameError(dto.RecieverUnameOrPhone));
}
else if (reciever.Id == sender.Id)
{
throw new ArgumentOutOfRangeException(GlobalConstants.AutoSendCreditsError);
}
sender.CreditBalance -= dto.Ammount;
reciever.CreditBalance += dto.Ammount;
var transfer = new CreditTransfer
{
Sender = sender,
Reciever = reciever,
Ammount = dto.Ammount,
Comment = dto.Comment
};
sender.TransactionsSent.Add(transfer);
cache.Remove(GlobalConstants.StatisticsCasheName);
await transfersRepository.SaveChangesAsync();
await transaction.CommitAsync();
}
}
