74 lines
2.6 KiB
C#
74 lines
2.6 KiB
C#
using FieldLogger.Models;
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using FieldLogger.Services.Data;
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using FieldLogger.Services.Sync;
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using Microsoft.Extensions.Logging;
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namespace FieldLogger.Services;
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/// <summary>
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/// Joins UM receiver log packets with the current GNSS fix and persists them
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/// under the active job. Runs for the lifetime of the app.
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/// </summary>
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public sealed class PointLogger
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{
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private readonly UmReceiverService _locator;
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private readonly MaglinkService _gps;
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private readonly AppDatabase _database;
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private readonly SettingsService _settings;
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private readonly IMqttSyncService _sync;
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private readonly ILogger<PointLogger> _logger;
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/// <summary>Raised (on the UI thread) after a point is saved.</summary>
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public event EventHandler<LoggedPoint>? PointSaved;
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/// <summary>Raised when a packet arrives but no active job is selected, so the point was dropped.</summary>
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public event EventHandler? PacketIgnoredNoJob;
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public PointLogger(UmReceiverService locator, MaglinkService gps, AppDatabase database,
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SettingsService settings, IMqttSyncService sync, ILogger<PointLogger> logger)
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{
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_locator = locator;
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_gps = gps;
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_database = database;
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_settings = settings;
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_sync = sync;
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_logger = logger;
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_locator.PacketReceived += OnPacketReceived;
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}
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private void OnPacketReceived(object? sender, UmLogPacket packet)
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{
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_ = HandlePacketAsync(packet);
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}
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private async Task HandlePacketAsync(UmLogPacket packet)
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{
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try
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{
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var jobId = _settings.ActiveJobId;
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if (jobId is null)
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{
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_logger.LogWarning("Log packet received but no active job; point dropped");
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MainThread.BeginInvokeOnMainThread(() => PacketIgnoredNoJob?.Invoke(this, EventArgs.Empty));
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return;
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}
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var fix = _gps.FreshFix();
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var point = LoggedPoint.From(jobId.Value, packet, _locator.DeviceInfo, fix, _gps.DeviceInfo);
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point.SyncPointId = Guid.CreateVersion7().ToString();
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await _database.AddPointAsync(point);
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await _sync.PublishPointAsync(point);
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_logger.LogInformation(
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"Point {Id}/{SyncPointId} saved to job {JobId} (gps valid: {GpsValid}, sync error: {SyncError})",
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point.Id, point.SyncPointId, jobId, point.GpsValid, point.SyncError);
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MainThread.BeginInvokeOnMainThread(() => PointSaved?.Invoke(this, point));
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Failed to save logged point");
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}
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}
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}
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