feature: Elasticsearch CQRS Projection and Analytics Endpoints

VigilCareClinicalAPI/Program.cs

@@ -1,3 +1,4 @@
+using Elastic.Clients.Elasticsearch;
 using Microsoft.EntityFrameworkCore;
 using Serilog;
 using StackExchange.Redis;
@@ -25,16 +26,29 @@ try
     builder.Services.Configure<KafkaOptions>(
     builder.Configuration.GetSection(KafkaOptions.Section));
 
+    builder.Services.Configure<ElasticsearchOptions>(
+    builder.Configuration.GetSection(ElasticsearchOptions.Section));
+
+    var esOptions = builder.Configuration
+        .GetSection(ElasticsearchOptions.Section)
+        .Get<ElasticsearchOptions>()!;
+
+    builder.Services.AddSingleton(
+        new ElasticsearchClient(new Uri(esOptions.Uri)));
+
     builder.Services.AddScoped<IPatientService, PatientService>();
     builder.Services.AddScoped<IEncounterService, EncounterService>();
     builder.Services.AddScoped<IAlertThresholdService, AlertThresholdService>();
     builder.Services.AddScoped<IObservationService, ObservationService>();
     builder.Services.AddScoped<IObservationQueryService, ObservationQueryService>();
     builder.Services.AddScoped<IAlertService, AlertService>();
+    builder.Services.AddScoped<IAnalyticsService, AnalyticsService>();
 
     builder.Services.AddHostedService<ThresholdCacheLoader>();
     builder.Services.AddHostedService<KafkaTopicProvisioner>();
     builder.Services.AddHostedService<OutboxRelayService>();
+    builder.Services.AddHostedService<ElasticIndexProvisioner>();
+    builder.Services.AddHostedService<EsIndexerService>();
 
     builder.Services.AddControllers()
         .AddJsonOptions(opts =>