115 lines
3.5 KiB
C#
115 lines
3.5 KiB
C#
using Microsoft.Extensions.Logging;
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using PepperBot.Application.Interfaces;
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using PepperBot.Domain;
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namespace PepperBot.Application.Services;
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public class DealService
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{
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private readonly IPepperClient _pepperClient;
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private readonly IDealRepository _repository;
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private readonly ISubscriptionRepository _subscriptionRepository;
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private readonly ITelegramNotifier _notifier;
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private readonly ILogger<DealService> _logger;
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private readonly IHealthMonitor _healthMonitor;
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public DealService(
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IPepperClient pepperClient,
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IDealRepository repository,
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ISubscriptionRepository subscriptionRepository,
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ITelegramNotifier notifier,
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ILogger<DealService> logger,
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IHealthMonitor healthMonitor)
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{
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_pepperClient = pepperClient;
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_repository = repository;
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_subscriptionRepository = subscriptionRepository;
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_notifier = notifier;
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_logger = logger;
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_healthMonitor = healthMonitor;
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}
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public async Task CheckAndNotifyAsync(CancellationToken cancellationToken)
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{
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var deals = await _pepperClient.GetLatestDealsAsync(cancellationToken);
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// Хелсчек: успешный запрос, вернувший более одной скидки (пусть и не новой)
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if (deals.Count > 1)
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{
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_healthMonitor.ReportSuccess(DateTimeOffset.UtcNow);
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}
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// Загружаем активные подписки один раз на проход
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var subscriptions = await _subscriptionRepository.GetAllActiveAsync(cancellationToken);
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foreach (var deal in deals)
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{
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if (await _repository.ExistsAsync(deal.Id, cancellationToken))
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{
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continue;
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}
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_logger.LogInformation("Новая скидка: {Title} ({Id})", deal.Title, deal.Id);
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await _repository.AddAsync(deal, cancellationToken);
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// Общая рассылка в основной чат (как было раньше)
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await _notifier.NotifyNewDealAsync(deal, cancellationToken);
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if (subscriptions.Count == 0)
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{
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continue;
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}
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var searchableText = $"{deal.Title} {deal.StoreName}";
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foreach (var subscription in subscriptions)
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{
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if (!subscription.IsActive)
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{
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continue;
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}
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var keywords = ParseKeywords(subscription.Keywords);
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if (keywords.Count == 0)
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{
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continue;
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}
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if (IsMatch(searchableText, keywords))
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{
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await _notifier.NotifyDealToChatAsync(deal, subscription.ChatId, cancellationToken);
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}
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}
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}
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}
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private static List<string> ParseKeywords(string raw)
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{
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return raw
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.Split(new[] { '-',',', ';', '\n', '\r', '\t', ' ' }, StringSplitOptions.RemoveEmptyEntries)
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.Select(k => k.Trim())
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.Where(k => k.Length > 0)
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.ToList();
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}
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private static bool IsMatch(string text, List<string> keywords)
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{
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if (keywords.Count == 0)
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{
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return false;
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}
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foreach (var keyword in keywords)
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{
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if (text.Contains(keyword, StringComparison.OrdinalIgnoreCase))
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{
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return true;
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}
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}
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return false;
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}
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}
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