feature: Site & Gateway Registry + Clinical Sync Contracts

2026-06-23 04:31:15 +08:00
parent c9994b1ba2
commit efe5419da4
24 changed files with 547 additions and 19 deletions
@@ -0,0 +1,57 @@
+using Microsoft.EntityFrameworkCore;
+
+public sealed class WardGatewayMetricsCollector : BackgroundService
+{
+    private readonly IServiceScopeFactory _scopes;
+    private readonly ClinicalMetrics _metrics;
+    private readonly ILogger<WardGatewayMetricsCollector> _logger;
+
+    public WardGatewayMetricsCollector(
+        IServiceScopeFactory scopes,
+        ClinicalMetrics metrics,
+        ILogger<WardGatewayMetricsCollector> logger)
+    {
+        _scopes = scopes;
+        _metrics = metrics;
+        _logger = logger;
+    }
+
+    protected override async Task ExecuteAsync(CancellationToken ct)
+    {
+        using var timer = new PeriodicTimer(TimeSpan.FromSeconds(60));
+        while (await timer.WaitForNextTickAsync(ct))
+            await CollectAsync(ct);
+    }
+
+    private async Task CollectAsync(CancellationToken ct)
+    {
+        try
+        {
+            await using var scope = _scopes.CreateAsyncScope();
+            var db = scope.ServiceProvider.GetRequiredService<AppDbContext>();
+
+            var offlineBySite = await db.WardGateways
+                .Include(g => g.Site)
+                .Where(g => g.Status != GatewayStatus.Online)
+                .GroupBy(g => g.Site.SiteCode)
+                .Select(g => new { SiteCode = g.Key, Count = g.Count() })
+                .ToListAsync(ct);
+
+            foreach (var row in offlineBySite)
+                _metrics.WardGatewaysOffline.WithLabels(row.SiteCode).Set(row.Count);
+
+            var allGateways = await db.WardGateways
+                .AsNoTracking()
+                .ToListAsync(ct);
+
+            foreach (var g in allGateways)
+                _metrics.WardGatewayBufferDepth
+                    .WithLabels(g.GatewayCode, g.Department)
+                    .Set(g.ReportedBufferDepth);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "WardGatewayMetricsCollector failed");
+        }
+    }
+}