feature: Ward Gateway Service (Local-First Clinical Path)

2026-06-23 16:45:38 +08:00
parent d8e142fffe
commit 1bf8359097
100 changed files with 5474 additions and 4 deletions
@@ -0,0 +1,58 @@
+using System.Text;
+using System.Text.Json;
+using Microsoft.Extensions.Options;
+using RabbitMQ.Client;
+
+public sealed class LocalPagingPublisher
+{
+    private readonly RabbitMqOptions _opts;
+    private readonly ILogger<LocalPagingPublisher> _logger;
+
+    public LocalPagingPublisher(IOptions<RabbitMqOptions> opts, ILogger<LocalPagingPublisher> logger)
+    {
+        _opts = opts.Value;
+        _logger = logger;
+    }
+
+    public Task PublishCriticalAsync(LocalClinicalAlert alert, ReplicaEncounter encounter)
+    {
+        try
+        {
+            var factory = new ConnectionFactory
+            {
+                HostName = _opts.Host,
+                Port = _opts.Port,
+                UserName = _opts.Username,
+                Password = _opts.Password
+            };
+            using var conn = factory.CreateConnection("gateway-publisher");
+            using var channel = conn.CreateModel();
+
+            var payload = JsonSerializer.Serialize(new
+            {
+                alertId = alert.Id,
+                encounterId = alert.EncounterId,
+                details = alert.Details,
+                attendingPhysician = encounter.AttendingPhysician
+            });
+
+            var body = Encoding.UTF8.GetBytes(payload);
+            channel.BasicPublish(
+                RabbitMqTopologyProvisioner.Exchange,
+                RabbitMqTopologyProvisioner.PagingKey,
+                body: body);
+
+            _logger.LogInformation(
+                "Published critical alert {AlertId} to paging queue for encounter {EncounterId}",
+                alert.Id, alert.EncounterId);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex,
+                "Failed to publish critical alert {AlertId} to paging queue — alert persisted locally",
+                alert.Id);
+        }
+
+        return Task.CompletedTask;
+    }
+}