public async Task <OperationDTO[]> Handle(AccountOperationHistoryRequest request, CancellationToken cancellationToken)
{
User currentUser = await currentUserService.GetCurrentUserAsync();
var response = await operationRepository.Set().Where(x => x.Account.Wallet.Id == currentUser.Wallet.Id)
.OrderBy(x => x.Date)
.Select(x => new OperationDTO()
{
Amount = x.Amount,
Currency = x.Account.Currency.IsoAlfaCode,
Direction = x.Direction.ToString(),
OperationDate = x.Date,
Id = x.Id
})
.ToArrayAsync();
return(response);
}
public async Task <AchievementViewModel> Handle(AddAchievementCommand request, CancellationToken cancellationToken)
{
var achievement = await _context
.Achievements
.Where(a => a.Code == request.Code)
.FirstOrDefaultAsync(cancellationToken);
if (achievement == null)
{
throw new NotFoundException(request.Code, nameof(Domain.Entities.Achievement));
}
var user = await _currentUserService.GetCurrentUserAsync(cancellationToken);
var userHasAchievement = await _context
.UserAchievements
.Where(ua => ua.UserId == user.Id)
.Where(ua => ua.AchievementId == achievement.Id)
.AnyAsync(cancellationToken);
if (userHasAchievement)
{
throw new AlreadyAwardedException(user.Id, achievement.Name);
}
await _context
.UserAchievements
.AddAsync(new Domain.Entities.UserAchievement
{
UserId = user.Id,
AchievementId = achievement.Id
}, cancellationToken);
try
{
await _context.SaveChangesAsync(cancellationToken);
}
catch (Exception)
{
throw new AlreadyAwardedException(user.Id, achievement.Name);
}
return(_mapper.Map <AchievementViewModel>(achievement));
}
public async Task <T> Map <T>(TransactionCommandDto source) where T : TransactionCommand, new()
{
var currency = await currencyRepository.FindAsync(source.CurrencyId);
var user = await currentUserService.GetCurrentUserAsync();
var cantorWallet = cantorWalletRepository.GetCantorWallet();
var cantorCurrency = cantorWallet.CantorCurrencies
.FindByCurrency(source.CurrencyId);
var userBoughtCurrency = user.Currencies.FindByCurrency(currency);
return(new T()
{
Currency = currency,
Amount = source.Amount,
User = user,
CantorWallet = cantorWallet,
CantorCurrency = cantorCurrency,
UserCurrency = userBoughtCurrency,
});
}
public async Task <ClaimRewardResult> Handle(ClaimRewardCommand request, CancellationToken cancellationToken)
{
var reward = await _context
.Rewards
.Where(r => r.Code == request.Code)
.FirstOrDefaultAsync(cancellationToken);
if (reward == null)
{
return(new ClaimRewardResult
{
status = RewardStatus.NotFound
});
}
var user = await _currentUserService.GetCurrentUserAsync(cancellationToken);
var userRewards = await _context
.UserRewards
.Where(ur => ur.UserId == user.Id)
.ToListAsync(cancellationToken);
int pointsUsed = userRewards.Sum(ur => ur.Reward.Cost);
int balance = user.Points - pointsUsed;
if (balance < reward.Cost)
{
return(new ClaimRewardResult
{
status = RewardStatus.NotEnoughPoints
});
}
// TECH DEBT: the following logic is intended to 'debounce' reward
// claiming, to prevent users claiming the same reward twice
// within a 5 minute window. This workaround is only required on
// the current 'milestone' model for points. Once we move to the
// 'currency' model, this will not be required anymore.
// see: https://github.com/SSWConsulting/SSW.Rewards/issues/100
var userHasReward = userRewards
.Where(ur => ur.RewardId == reward.Id)
.FirstOrDefault();
if (userHasReward != null && userHasReward.AwardedAt >= _dateTimeProvider.Now.AddMinutes(-5))
{
return(new ClaimRewardResult
{
status = RewardStatus.Duplicate
});
}
await _context
.UserRewards
.AddAsync(new Domain.Entities.UserReward
{
UserId = user.Id,
RewardId = reward.Id
}, cancellationToken);
await _context.SaveChangesAsync(cancellationToken);
var dbUser = await _context.Users
.Where(u => u.Id == user.Id)
.FirstAsync(cancellationToken);
await _rewardSender.SendRewardAsync(dbUser, reward, cancellationToken);
var rewardModel = _mapper.Map <RewardViewModel>(reward);
return(new ClaimRewardResult
{
viewModel = rewardModel,
status = RewardStatus.Claimed
});
}