feat(platform): route scheduler notifications through platform messenger
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PR Checks / test-and-build (pull_request) Successful in 7m9s
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@@ -1,86 +0,0 @@
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using Dapper;
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using GmRelay.Shared.Domain;
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using Npgsql;
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namespace GmRelay.Bot.Infrastructure.Scheduling;
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public interface ISessionTriggerStore
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{
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Task<IReadOnlyList<Guid>> GetSessionsNeedingConfirmationAsync(DateTimeOffset now, CancellationToken ct);
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Task<IReadOnlyList<Guid>> GetSessionsNeedingOneHourReminderAsync(DateTimeOffset now, CancellationToken ct);
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Task<IReadOnlyList<Guid>> GetSessionsNeedingJoinLinkAsync(DateTimeOffset now, CancellationToken ct);
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}
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public sealed class DbSessionTriggerStore(NpgsqlDataSource dataSource) : ISessionTriggerStore
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{
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private static readonly TimeSpan ConfirmationLeadTime = TimeSpan.FromHours(24);
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private static readonly TimeSpan OneHourReminderLeadTime = TimeSpan.FromHours(1);
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private static readonly TimeSpan JoinLinkLeadTime = TimeSpan.FromMinutes(5);
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public async Task<IReadOnlyList<Guid>> GetSessionsNeedingConfirmationAsync(DateTimeOffset now, CancellationToken ct)
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{
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await using var connection = await dataSource.OpenConnectionAsync(ct);
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var results = await connection.QueryAsync<Guid>(
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"""
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SELECT id
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FROM sessions
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WHERE status = @Planned
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AND scheduled_at - @LeadTime <= @Now
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AND confirmation_sent_at IS NULL
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""",
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new
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{
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Planned = SessionStatus.Planned,
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LeadTime = ConfirmationLeadTime,
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Now = now.UtcDateTime
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});
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return results.ToList();
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}
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public async Task<IReadOnlyList<Guid>> GetSessionsNeedingOneHourReminderAsync(DateTimeOffset now, CancellationToken ct)
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{
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await using var connection = await dataSource.OpenConnectionAsync(ct);
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var results = await connection.QueryAsync<Guid>(
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"""
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SELECT id
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FROM sessions
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WHERE status IN (@Confirmed, @ConfirmationSent)
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AND scheduled_at - @LeadTime <= @Now
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AND one_hour_reminder_processed_at IS NULL
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""",
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new
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{
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Confirmed = SessionStatus.Confirmed,
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ConfirmationSent = SessionStatus.ConfirmationSent,
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LeadTime = OneHourReminderLeadTime,
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Now = now.UtcDateTime
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});
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return results.ToList();
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}
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public async Task<IReadOnlyList<Guid>> GetSessionsNeedingJoinLinkAsync(DateTimeOffset now, CancellationToken ct)
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{
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await using var connection = await dataSource.OpenConnectionAsync(ct);
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var results = await connection.QueryAsync<Guid>(
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"""
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SELECT id
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FROM sessions
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WHERE status = @Confirmed
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AND scheduled_at - @LeadTime <= @Now
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AND link_message_id IS NULL
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""",
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new
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{
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Confirmed = SessionStatus.Confirmed,
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LeadTime = JoinLinkLeadTime,
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Now = now.UtcDateTime
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});
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return results.ToList();
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}
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}
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@@ -1,146 +0,0 @@
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using GmRelay.Bot.Features.Confirmation.SendConfirmation;
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using GmRelay.Bot.Features.Reminders.SendJoinLink;
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using GmRelay.Bot.Features.Reminders.SendOneHourReminder;
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using GmRelay.Shared.Platform;
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namespace GmRelay.Bot.Infrastructure.Scheduling;
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/// <summary>
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/// Stateless scheduler: wakes every 60 seconds, queries PostgreSQL for actionable sessions.
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/// Three triggers:
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/// T-24h: send confirmation request with inline keyboard
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/// T-1h: send one-hour direct reminder
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/// T-5min: send join link to all confirmed players
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///
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/// If the Raspberry Pi reboots, nothing is lost — all state is in the DB.
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/// </summary>
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public sealed class SessionSchedulerService(
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ISessionTriggerStore triggerStore,
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ISendConfirmationHandler confirmationHandler,
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ISendOneHourReminderHandler oneHourReminderHandler,
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ISendJoinLinkHandler joinLinkHandler,
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ISystemClock clock,
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ILogger<SessionSchedulerService> logger) : BackgroundService
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{
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private static readonly TimeSpan TickInterval = TimeSpan.FromMinutes(1);
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protected override async Task ExecuteAsync(CancellationToken stoppingToken)
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{
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logger.LogInformation("Session scheduler started (interval: {Interval})", TickInterval);
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using var timer = new PeriodicTimer(TickInterval);
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do
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{
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try
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{
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await TickAsync(stoppingToken);
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}
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catch (OperationCanceledException) when (stoppingToken.IsCancellationRequested)
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{
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break;
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}
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catch (Exception ex)
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{
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logger.LogError(ex, "Scheduler tick failed, will retry next tick");
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}
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}
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while (await timer.WaitForNextTickAsync(stoppingToken));
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logger.LogInformation("Session scheduler stopped");
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}
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/// <summary>
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/// Runs a single scheduler tick using the current clock time.
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/// Public so it can be called from integration tests with a fake clock.
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/// </summary>
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public async Task TickAsync(CancellationToken ct)
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{
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var now = clock.UtcNow;
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await ProcessConfirmationTriggers(now, ct);
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await ProcessOneHourReminderTriggers(now, ct);
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await ProcessJoinLinkTriggers(now, ct);
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}
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private async Task ProcessConfirmationTriggers(DateTimeOffset now, CancellationToken ct)
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{
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IReadOnlyList<Guid> sessionIds;
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try
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{
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sessionIds = await triggerStore.GetSessionsNeedingConfirmationAsync(now, ct);
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}
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catch (Exception ex)
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{
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logger.LogError(ex, "Failed to query confirmation triggers");
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return;
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}
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foreach (var sessionId in sessionIds)
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{
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try
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{
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await confirmationHandler.HandleAsync(sessionId, ct);
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logger.LogInformation("Confirmation sent for session {SessionId}", sessionId);
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}
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catch (Exception ex)
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{
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logger.LogError(ex, "Failed to send confirmation for session {SessionId}", sessionId);
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}
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}
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}
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private async Task ProcessOneHourReminderTriggers(DateTimeOffset now, CancellationToken ct)
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{
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IReadOnlyList<Guid> sessionIds;
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try
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{
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sessionIds = await triggerStore.GetSessionsNeedingOneHourReminderAsync(now, ct);
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}
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catch (Exception ex)
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{
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logger.LogError(ex, "Failed to query one-hour reminder triggers");
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return;
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}
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foreach (var sessionId in sessionIds)
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{
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try
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{
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await oneHourReminderHandler.HandleAsync(sessionId, ct);
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logger.LogInformation("One-hour reminder processed for session {SessionId}", sessionId);
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}
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catch (Exception ex)
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{
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logger.LogError(ex, "Failed to process one-hour reminder for session {SessionId}", sessionId);
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}
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}
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}
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private async Task ProcessJoinLinkTriggers(DateTimeOffset now, CancellationToken ct)
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{
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IReadOnlyList<Guid> sessionIds;
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try
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{
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sessionIds = await triggerStore.GetSessionsNeedingJoinLinkAsync(now, ct);
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}
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catch (Exception ex)
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{
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logger.LogError(ex, "Failed to query join-link triggers");
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return;
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}
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foreach (var sessionId in sessionIds)
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{
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try
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{
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await joinLinkHandler.HandleAsync(sessionId, ct);
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logger.LogInformation("Join link sent for session {SessionId}", sessionId);
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}
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catch (Exception ex)
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{
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logger.LogError(ex, "Failed to send join link for session {SessionId}", sessionId);
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}
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}
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}
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}
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