feat(notify): add FinlyticNotify push notification microservice and test suite

FinlyticNotify/Program.cs

@@ -0,0 +1,64 @@
+using System;
+using System.Net.Http;
+using FinlyticCore.Database;
+using FinlyticCore.Services;
+using FinlyticNotify.Database;
+using FinlyticNotify.Services;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+
+var builder = Host.CreateApplicationBuilder(args);
+
+// 1. Register DbContext & Settings Provider (Read-Only user/trade queries + dynamic settings)
+builder.Services.AddDbContext<NotifyDbContext>(options =>
+    options.UseNpgsql(builder.Configuration.GetConnectionString("DefaultConnection")));
+builder.Services.AddScoped<ISettingsDbContext>(sp => sp.GetRequiredService<NotifyDbContext>());
+
+// 2. Register Core Services & Logger
+builder.Services.AddSingleton<ISettingsService, SettingsService>();
+builder.Services.AddSingleton(typeof(IFinlyticLogger<>), typeof(FinlyticLogger<>));
+
+// 3. Register In-Memory Cache
+builder.Services.AddMemoryCache();
+
+// 4. Register HTTP Client & ntfy Push Client
+builder.Services.AddHttpClient<INtfyClient, NtfyClient>()
+    .ConfigureHttpClient(client =>
+    {
+        client.Timeout = TimeSpan.FromSeconds(10);
+    });
+
+// 5. Register Domain Services
+builder.Services.AddSingleton<IUserTradeResolver, UserTradeResolver>();
+builder.Services.AddSingleton<INotificationFormatter, NotificationFormatter>();
+
+// 6. Register MQTT Listener & Background Service
+builder.Services.AddSingleton<NotifyMqttClient>();
+builder.Services.AddHostedService(sp => sp.GetRequiredService<NotifyMqttClient>());
+
+var host = builder.Build();
+
+using (var scope = host.Services.CreateScope())
+{
+    try
+    {
+        var context = scope.ServiceProvider.GetRequiredService<NotifyDbContext>();
+        var connStr = builder.Configuration.GetConnectionString("DefaultConnection") ?? "";
+        await context.MigrateWithBootstrapAsync(connStr);
+    }
+
+    catch (Exception ex)
+    {
+        var logger = scope.ServiceProvider.GetRequiredService<ILogger<Program>>();
+        logger.LogError(ex, "An error occurred during database migration/seeding.");
+    }
+}
+
+Console.WriteLine("=================================================");
+Console.WriteLine(" FinlyticNotify - Push Notification Service (ntfy)");
+Console.WriteLine(" Listening exclusively to MQTT Trade Events");
+Console.WriteLine("=================================================");
+
+await host.RunAsync();