feat: wire up Program.cs, DI extensions, Serilog, and appsettings

- ServiceCollectionExtensions in DAL.EF: AddNotificationDataAccess (DbContext, UoW, repositories)
- ServiceCollectionExtensions in Services: AddNotificationServices (MediatR + TransactionBehavior)
- Api/Program.cs: Serilog, OpenAPI, controllers, DI wiring
- Worker/Program.cs: Serilog, DI wiring
- appsettings.json: Serilog config with Console + Seq sinks, connection string
- appsettings.Development.json: Debug log level overrides

Ref: IT-628

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Directory.Packages.props

@@ -21,6 +21,7 @@
         <!-- Serilog -->
         <PackageVersion Include="Serilog.AspNetCore" Version="9.0.0" />
         <PackageVersion Include="Serilog.Extensions.Hosting" Version="9.0.0" />
+        <PackageVersion Include="Serilog.Settings.Configuration" Version="9.0.0" />
         <PackageVersion Include="Serilog.Sinks.Console" Version="6.0.0" />
         <PackageVersion Include="Serilog.Sinks.Seq" Version="9.0.0" />
 

HrynCo.NotificationService.Api/Program.cs

@@ -1,41 +1,26 @@
+using HrynCo.NotificationService.DAL.EF;
+using HrynCo.NotificationService.Services;
+using Serilog;
+
 var builder = WebApplication.CreateBuilder(args);
 
-// Add services to the container.
-// Learn more about configuring OpenAPI at https://aka.ms/aspnet/openapi
+builder.Host.UseSerilog((context, lc) =>
+    lc.ReadFrom.Configuration(context.Configuration));
+
 builder.Services.AddOpenApi();
+builder.Services.AddControllers();
+
+string connectionString = builder.Configuration.GetConnectionString("Default")
+    ?? throw new InvalidOperationException("Connection string 'Default' is not configured.");
+
+builder.Services.AddNotificationDataAccess(connectionString);
+builder.Services.AddNotificationServices();
 
 var app = builder.Build();
 
-// Configure the HTTP request pipeline.
 if (app.Environment.IsDevelopment())
-{
     app.MapOpenApi();
-}
 
 app.UseHttpsRedirection();
-
-var summaries = new[]
-{
-    "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
-};
-
-app.MapGet("/weatherforecast", () =>
-{
-    var forecast =  Enumerable.Range(1, 5).Select(index =>
-        new WeatherForecast
-        (
-            DateOnly.FromDateTime(DateTime.Now.AddDays(index)),
-            Random.Shared.Next(-20, 55),
-            summaries[Random.Shared.Next(summaries.Length)]
-        ))
-        .ToArray();
-    return forecast;
-})
-.WithName("GetWeatherForecast");
-
+app.MapControllers();
 app.Run();
-
-record WeatherForecast(DateOnly Date, int TemperatureC, string? Summary)
-{
-    public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
-}

HrynCo.NotificationService.Api/appsettings.Development.json

@@ -1,8 +1,12 @@
 {
-  "Logging": {
-    "LogLevel": {
-      "Default": "Information",
-      "Microsoft.AspNetCore": "Warning"
+  "Serilog": {
+    "MinimumLevel": {
+      "Default": "Debug",
+      "Override": {
+        "Microsoft": "Information",
+        "Microsoft.EntityFrameworkCore": "Information",
+        "Microsoft.AspNetCore": "Information"
+      }
     }
   }
 }

HrynCo.NotificationService.Api/appsettings.json

@@ -1,9 +1,26 @@
 {
-  "Logging": {
-    "LogLevel": {
+  "ConnectionStrings": {
+    "Default": "Host=localhost;Port=5432;Database=notification_service;Username=postgres;Password=postgres"
+  },
+  "Serilog": {
+    "MinimumLevel": {
       "Default": "Information",
+      "Override": {
+        "Microsoft": "Warning",
+        "Microsoft.EntityFrameworkCore": "Warning",
         "Microsoft.AspNetCore": "Warning"
       }
     },
+    "WriteTo": [
+      { "Name": "Console" },
+      {
+        "Name": "Seq",
+        "Args": {
+          "serverUrl": "http://localhost:5341"
+        }
+      }
+    ],
+    "Enrich": [ "FromLogContext" ]
+  },
   "AllowedHosts": "*"
 }

HrynCo.NotificationService.DAL.Abstract/Repositories/IEmailTemplateRepository.cs

@@ -2,11 +2,11 @@ using HrynCo.NotificationService.DAL.Abstract.Templates;
 
 namespace HrynCo.NotificationService.DAL.Abstract.Repositories;
 
-public interface IEmailEmailTemplateRepository
+public interface IEmailTemplateRepository
 {
     Task<IReadOnlyList<EmailTemplate>> GetByServiceAsync(string serviceName, CancellationToken ct = default);
     Task<EmailTemplate?> GetAsync(string serviceName, string key, string languageCode, CancellationToken ct = default);
-    Task AddAsync(EmailTemplate EmailTemplate, CancellationToken ct = default);
-    Task UpdateAsync(EmailTemplate EmailTemplate, CancellationToken ct = default);
-    Task DeleteAsync(EmailTemplate EmailTemplate, CancellationToken ct = default);
+    Task AddAsync(EmailTemplate template, CancellationToken ct = default);
+    Task UpdateAsync(EmailTemplate template, CancellationToken ct = default);
+    Task DeleteAsync(EmailTemplate template, CancellationToken ct = default);
 }

HrynCo.NotificationService.DAL.EF/Repositories/EmailTemplateRepository.cs

@@ -6,7 +6,7 @@ using Microsoft.EntityFrameworkCore;
 
 namespace HrynCo.NotificationService.DAL.EF.Repositories;
 
-internal sealed class EmailTemplateRepository : EfRepository<EmailTemplateEntity>, IEmailEmailTemplateRepository
+internal sealed class EmailTemplateRepository : EfRepository<EmailTemplateEntity>, IEmailTemplateRepository
 {
     public EmailTemplateRepository(NotificationDbContext dbContext) : base(dbContext)
     {

HrynCo.NotificationService.DAL.EF/ServiceCollectionExtensions.cs

@@ -0,0 +1,26 @@
+using HrynCo.NotificationService.DAL.Abstract;
+using HrynCo.NotificationService.DAL.Abstract.Repositories;
+using HrynCo.NotificationService.DAL.EF.Core;
+using HrynCo.NotificationService.DAL.EF.Repositories;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace HrynCo.NotificationService.DAL.EF;
+
+public static class ServiceCollectionExtensions
+{
+    public static IServiceCollection AddNotificationDataAccess(
+        this IServiceCollection services,
+        string connectionString)
+    {
+        services.AddDbContext<NotificationDbContext>(options =>
+            options.UseNpgsql(connectionString));
+
+        services.AddScoped<IUnitOfWork, UnitOfWork>();
+        services.AddScoped<IEmailTemplateRepository, EmailTemplateRepository>();
+        services.AddScoped<IEmailChannelRepository, EmailChannelRepository>();
+        services.AddScoped<IEmailChannelUsageRepository, EmailChannelUsageRepository>();
+
+        return services;
+    }
+}

HrynCo.NotificationService.Services/ServiceCollectionExtensions.cs

@@ -0,0 +1,19 @@
+using HrynCo.NotificationService.Services.Behaviors;
+using MediatR;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace HrynCo.NotificationService.Services;
+
+public static class ServiceCollectionExtensions
+{
+    public static IServiceCollection AddNotificationServices(this IServiceCollection services)
+    {
+        services.AddMediatR(cfg =>
+        {
+            cfg.RegisterServicesFromAssembly(typeof(ServiceCollectionExtensions).Assembly);
+            cfg.AddBehavior(typeof(IPipelineBehavior<,>), typeof(TransactionBehavior<,>));
+        });
+
+        return services;
+    }
+}

HrynCo.NotificationService.Worker/HrynCo.NotificationService.Worker.csproj

@@ -10,6 +10,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Hosting" />
     <PackageReference Include="Serilog.Extensions.Hosting" />
+    <PackageReference Include="Serilog.Settings.Configuration" />
     <PackageReference Include="Serilog.Sinks.Console" />
     <PackageReference Include="Serilog.Sinks.Seq" />
   </ItemGroup>

HrynCo.NotificationService.Worker/Program.cs

@@ -1,6 +1,18 @@
+using HrynCo.NotificationService.DAL.EF;
+using HrynCo.NotificationService.Services;
 using HrynCo.NotificationService.Worker;
+using Serilog;
 
 var builder = Host.CreateApplicationBuilder(args);
+
+builder.Services.AddSerilog(lc =>
+    lc.ReadFrom.Configuration(builder.Configuration));
+
+string connectionString = builder.Configuration.GetConnectionString("Default")
+    ?? throw new InvalidOperationException("Connection string 'Default' is not configured.");
+
+builder.Services.AddNotificationDataAccess(connectionString);
+builder.Services.AddNotificationServices();
 builder.Services.AddHostedService<Worker>();
 
 var host = builder.Build();

HrynCo.NotificationService.Worker/appsettings.Development.json

@@ -1,8 +1,12 @@
 {
-  "Logging": {
-    "LogLevel": {
-      "Default": "Information",
-      "Microsoft.Hosting.Lifetime": "Information"
+  "Serilog": {
+    "MinimumLevel": {
+      "Default": "Debug",
+      "Override": {
+        "Microsoft": "Information",
+        "Microsoft.EntityFrameworkCore": "Information",
+        "Microsoft.AspNetCore": "Information"
+      }
     }
   }
 }

HrynCo.NotificationService.Worker/appsettings.json

@@ -1,8 +1,25 @@
 {
-  "Logging": {
-    "LogLevel": {
+  "ConnectionStrings": {
+    "Default": "Host=localhost;Port=5432;Database=notification_service;Username=postgres;Password=postgres"
+  },
+  "Serilog": {
+    "MinimumLevel": {
       "Default": "Information",
-      "Microsoft.Hosting.Lifetime": "Information"
+      "Override": {
+        "Microsoft": "Warning",
+        "Microsoft.EntityFrameworkCore": "Warning",
+        "Microsoft.AspNetCore": "Warning"
+      }
+    },
+    "WriteTo": [
+      { "Name": "Console" },
+      {
+        "Name": "Seq",
+        "Args": {
+          "serverUrl": "http://localhost:5341"
         }
       }
+    ],
+    "Enrich": [ "FromLogContext" ]
+  }
 }