Ex2 (integrado): decorator de cache para IWorkshopRepository + TTL por Options

Program.cs

@@ -8,6 +8,9 @@ using System.Text;
 using Microsoft.AspNetCore.Authentication.JwtBearer;
 using Microsoft.IdentityModel.Tokens;
 using Microsoft.OpenApi.Models;
+using CampusWorkshops.Api.Services;
+using Microsoft.Extensions.Options;
+using Microsoft.Extensions.Caching.Memory;
 
 var builder = WebApplication.CreateBuilder(args);
 
@@ -44,7 +47,32 @@ builder.Services.AddAuthorization(options =>
 builder.Services.AddDbContext<WorkshopsDbContext>(options =>
     options.UseSqlite(builder.Configuration.GetConnectionString("WorkshopsDb")));
 
-builder.Services.AddScoped<IWorkshopRepository, EfWorkshopRepository>();
+builder.Services.AddMemoryCache();
+builder.Services.Configure<CacheSettings>(builder.Configuration.GetSection("Cache"));
+
+
+// Primeiro registramos a implementação EF concreta
+builder.Services.AddScoped<EfWorkshopRepository>();
+
+// Depois expomos IWorkshopRepository como o "EF envelopado por cache"
+builder.Services.AddScoped<IWorkshopRepository>(sp =>
+    new CachedWorkshopRepository(
+        sp.GetRequiredService<EfWorkshopRepository>(),
+        sp.GetRequiredService<IMemoryCache>(),
+        sp.GetRequiredService<IOptionsSnapshot<CacheSettings>>()));
+
+// Lifetimes de exemplo
+builder.Services.AddTransient<IRequestIdTransient, RequestIdTransient>();
+builder.Services.AddScoped<IRequestIdScoped, RequestIdScoped>();
+builder.Services.AddSingleton<IRequestIdSingleton, RequestIdSingleton>();
+
+// Exemplo de "captive dependency"
+builder.Services.AddTransient<IPerRequestClock, PerRequestClock>(); // Transient
+builder.Services.AddSingleton<ReportingSingleton>();
+
+
+// Removendo para ativar o cached repository
+// builder.Services.AddScoped<IWorkshopRepository, EfWorkshopRepository>();
 builder.Services.AddControllers();
 builder.Services.AddEndpointsApiExplorer();
 builder.Services.AddSwaggerGen(o =>