35 lines
1.1 KiB
C#
35 lines
1.1 KiB
C#
using Fengling.RiskControl.Domain.Aggregates.RiskScores;
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using Fengling.RiskControl.Domain.Events;
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using Fengling.RiskControl.Domain.Repositories;
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using MediatR;
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namespace Fengling.RiskControl.Application.Events;
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public class LotteryCompletedEventHandler : INotificationHandler<LotteryCompletedEvent>
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{
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private const int BIG_WIN_MULTIPLIER = 5;
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private readonly IRiskScoreRepository _scoreRepository;
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public LotteryCompletedEventHandler(IRiskScoreRepository scoreRepository)
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{
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_scoreRepository = scoreRepository;
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}
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public async Task Handle(LotteryCompletedEvent notification, CancellationToken cancellationToken)
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{
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var score = RiskScore.Create(
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notification.MemberId,
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"lottery_result",
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notification.ActivityId.ToString(),
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expiresAt: DateTime.UtcNow.AddDays(1));
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if (notification.IsWin && notification.WinAmount > notification.StakePoints * BIG_WIN_MULTIPLIER)
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{
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score.AddRiskFactor("big_win", 20, "赢得超过投入5倍");
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}
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await _scoreRepository.AddAsync(score);
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}
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}
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