feat(ops): 배포 알림과 텔레그램 리포트 추가

TaxBaik.Web/Services/TelegramNotificationService.cs

@@ -33,8 +33,8 @@ public class TelegramNotificationService : ITelegramNotificationService
         _httpClient = httpClient;
         _logger = logger;
         _botToken = config["Telegram:BotToken"] ?? "";
-        _defaultChatId = config["Telegram:ChatId"] ?? "";
-        _inquiryChatId = config["Telegram:InquiryChatId"] ?? "-5434691215";
+        _defaultChatId = config["Telegram:ChatId"] ?? "-5434691215";
+        _inquiryChatId = config["Telegram:InquiryChatId"] ?? _defaultChatId;
         _systemChatId = config["Telegram:SystemChatId"] ?? "-5585148480";
     }
 
@@ -88,7 +88,7 @@ public class TelegramNotificationService : ITelegramNotificationService
     public async Task SendErrorAsync(string title, string details, CancellationToken ct = default)
     {
         var message = $"<b>❌ {title}</b>\n\n{details}\n\n<i>{DateTime.UtcNow:yyyy-MM-dd HH:mm:ss} UTC</i>";
-        await SendMessageAsync(message, ct);
+        await SendToChat(_systemChatId, message, ct);
     }
 
     public async Task SendInfoAsync(string title, string message, CancellationToken ct = default)

TaxBaik.Web/Services/TelegramReportBackgroundService.cs

@@ -0,0 +1,82 @@
+namespace TaxBaik.Web.Services;
+
+using Microsoft.Extensions.Hosting;
+using TaxBaik.Application.Services;
+
+public class TelegramReportBackgroundService(
+    IServiceScopeFactory scopeFactory,
+    ILogger<TelegramReportBackgroundService> logger) : BackgroundService
+{
+    private static readonly TimeZoneInfo KoreaTimeZone = GetKoreaTimeZone();
+    private DateOnly? _lastDailyReportDate;
+    private DateOnly? _lastWeeklyReportWeekStart;
+
+    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
+    {
+        using var timer = new PeriodicTimer(TimeSpan.FromMinutes(30));
+
+        while (await timer.WaitForNextTickAsync(stoppingToken))
+        {
+            try
+            {
+                var now = TimeZoneInfo.ConvertTime(DateTimeOffset.UtcNow, KoreaTimeZone);
+                await TrySendReportsAsync(now, stoppingToken);
+            }
+            catch (Exception ex)
+            {
+                logger.LogError(ex, "Telegram report background loop failed");
+            }
+        }
+    }
+
+    private async Task TrySendReportsAsync(DateTimeOffset nowKst, CancellationToken ct)
+    {
+        if (nowKst.Hour is 9 or 10)
+            await SendDailyIfNeededAsync(DateOnly.FromDateTime(nowKst.DateTime), ct);
+
+        if (nowKst.DayOfWeek == DayOfWeek.Monday && nowKst.Hour is 9 or 10)
+            await SendWeeklyIfNeededAsync(DateOnly.FromDateTime(nowKst.DateTime).AddDays(-7), ct);
+    }
+
+    private async Task SendDailyIfNeededAsync(DateOnly date, CancellationToken ct)
+    {
+        if (_lastDailyReportDate == date)
+            return;
+
+        using var scope = scopeFactory.CreateScope();
+        var reportService = scope.ServiceProvider.GetRequiredService<TelegramReportService>();
+        var telegram = scope.ServiceProvider.GetRequiredService<ITelegramNotificationService>();
+
+        var report = await reportService.BuildDailyReportAsync(date, ct);
+        await telegram.SendSystemNotificationAsync(TelegramReportService.FormatDailyMessage(report), ct);
+        _lastDailyReportDate = date;
+        logger.LogInformation("Daily telegram report sent for {Date}", date);
+    }
+
+    private async Task SendWeeklyIfNeededAsync(DateOnly weekStart, CancellationToken ct)
+    {
+        if (_lastWeeklyReportWeekStart == weekStart)
+            return;
+
+        using var scope = scopeFactory.CreateScope();
+        var reportService = scope.ServiceProvider.GetRequiredService<TelegramReportService>();
+        var telegram = scope.ServiceProvider.GetRequiredService<ITelegramNotificationService>();
+
+        var report = await reportService.BuildWeeklyReportAsync(weekStart, ct);
+        await telegram.SendSystemNotificationAsync(TelegramReportService.FormatWeeklyMessage(report), ct);
+        _lastWeeklyReportWeekStart = weekStart;
+        logger.LogInformation("Weekly telegram report sent for {WeekStart}", weekStart);
+    }
+
+    private static TimeZoneInfo GetKoreaTimeZone()
+    {
+        try
+        {
+            return TimeZoneInfo.FindSystemTimeZoneById("Korea Standard Time");
+        }
+        catch (TimeZoneNotFoundException)
+        {
+            return TimeZoneInfo.FindSystemTimeZoneById("Asia/Seoul");
+        }
+    }
+}