Changes

Apis/rag-api/Program.cs

@@ -0,0 +1,93 @@
+using System.Reflection;
+using Api.Clients.Ai;
+using Api.Clients.Ai.Contracts;
+using Api.Data;
+using Api.Data.Repositories;
+using Api.Data.Repositories.Contracts;
+using Api.Services;
+using Api.Services.Contracts;
+using Microsoft.EntityFrameworkCore;
+using Rag.Models.Settings;
+using Serilog;
+using Shared.Models.Settings;
+using StartupHelpers;
+
+StartupExtensions.LoadDotEnvFile();
+
+const string ServiceName = "rag-api";
+var appVersion = StartupExtensions.GetApplicationVersion(Assembly.GetExecutingAssembly());
+
+try
+{
+    var builder = WebApplication.CreateBuilder(args);
+
+    builder.ConfigureJsonSerilog(ServiceName, appVersion);
+    Log.Information("Starting {Service} version {AppVersion}", ServiceName, appVersion);
+
+    builder.AddAzureKeyVaultIfConfigured();
+
+    builder.Services.Configure<DatabaseSettings>(builder.Configuration.GetSection("Database"));
+    builder.Services.Configure<RagSettings>(builder.Configuration.GetSection("Rag"));
+    builder.Services.Configure<Rag.Models.Settings.AiSettings>(builder.Configuration.GetSection("Ai"));
+    builder.Services.Configure<InternalApiSettings>(builder.Configuration.GetSection("InternalApi"));
+
+    builder.Services.AddDbContext<RagDbContext>(options =>
+    {
+        var configuration = builder.Configuration;
+        var connectionString = builder.Services.GetConfiguredDbConnectionString(configuration);
+
+        options.UseSqlServer(connectionString, sql =>
+        {
+            sql.MigrationsHistoryTable(RagDbContext.MigrationTableName, RagDbContext.SchemaName);
+        });
+    });
+
+    builder.Services.AddHttpClient<RagAiClient>();
+    builder.Services.AddScoped<IRagRepository, EfRagRepository>();
+    builder.Services.AddHttpClient<RagAiClient>();
+    builder.Services.AddScoped<IRagRepository, EfRagRepository>();
+    builder.Services.AddScoped<IAiClient, CachedRagAiClient>();
+    builder.Services.AddSingleton<ITextExtractor, TextExtractor>();
+    builder.Services.AddSingleton<ITextChunker, TextChunker>();
+    builder.Services.AddSingleton<IDocumentClassifier, DocumentClassifier>();
+    builder.Services.AddScoped<IRagService, RagService>();
+
+    builder.Services.AddControllers();
+    builder.Services.AddSwaggerWithXmlComments(Assembly.GetExecutingAssembly(), ServiceName);
+
+    var app = builder.Build();
+
+    app.LogStartupDiagnostics(ServiceName);
+
+    using (var scope = app.Services.CreateScope())
+    {
+        var repository = scope.ServiceProvider.GetRequiredService<IRagRepository>();
+        await repository.InitializeAsync(CancellationToken.None);
+    }
+
+    app.UseDefaultSerilogRequestLogging();
+    app.UseJsonExceptionHandler(ServiceName);
+    app.UseInternalApiKeyProtection();
+    app.UseSwaggerInDevelopment(ServiceName, ServiceName);
+
+    app.MapControllers();
+
+    Log.Information("Running EF Core migrations if any");
+    using (var scope = app.Services.CreateScope())
+    {
+        var db = scope.ServiceProvider.GetRequiredService<RagDbContext>();
+        db.Database.Migrate();
+    }
+
+    Log.Information("{Service} startup complete", ServiceName);
+    app.Run();
+}
+catch (Exception ex)
+{
+    Log.Fatal(ex, "{Service} terminated unexpectedly", ServiceName);
+}
+finally
+{
+    Log.Information("Shutting down {Service}", ServiceName);
+    Log.CloseAndFlush();
+}