Add Api Versioning, Add Exception Handler.

Add Base Controller and config MediatR.

src/SwiftLink.Presentation/Controllers/BaseController.cs

@@ -0,0 +1,12 @@
+using MediatR;
+using Microsoft.AspNetCore.Mvc;
+
+namespace SwiftLink.Presentation.Controllers;
+
+[Route("api/v{v:apiVersion}/[controller]/[action]")]
+[ApiController]
+public abstract class BaseController : Controller
+{
+    private ISender? _mediatR;
+    protected ISender MediatR => _mediatR ??= HttpContext.RequestServices.GetRequiredService<ISender>();
+}

src/SwiftLink.Presentation/Controllers/LinkController.cs

@@ -0,0 +1,15 @@
+using Asp.Versioning;
+using Microsoft.AspNetCore.Mvc;
+using SwiftLink.Application.UseCases.Links.GenerateCommand;
+
+namespace SwiftLink.Presentation.Controllers;
+
+[ApiVersion("1.0")]
+public class LinkController : BaseController
+{
+    [HttpPost]
+    public IActionResult Generate([FromBody] GenerateShortCodeCommand command)
+    {
+        return Ok(MediatR.Send(command));
+    }
+}

src/SwiftLink.Presentation/Program.cs

@@ -1,3 +1,5 @@
+using Asp.Versioning;
+using Microsoft.AspNetCore.Diagnostics;
 using SwiftLink.Application;
 using SwiftLink.Infrastructure;
 using SwiftLink.Shared;
@@ -10,17 +12,39 @@
 
     builder.Services.AddControllers();
     builder.Services.AddEndpointsApiExplorer();
+
     builder.Services.RegisterApplicationServices()
                     .RegisterInfrastructureServices(builder.Configuration);
-
-    builder.Services.AddStackExchangeRedisCache(options =>
+
+    builder.Services.AddApiVersioning(options =>
+    {
+        options.DefaultApiVersion = new ApiVersion(1);
+        options.ReportApiVersions = true;
+        options.AssumeDefaultVersionWhenUnspecified = true;
+        options.ApiVersionReader = ApiVersionReader.Combine(
+            new UrlSegmentApiVersionReader(),
+            new HeaderApiVersionReader("X-Api-Version"));
+    }).AddApiExplorer(options =>
     {
-        options.Configuration = builder.Configuration["AppSettings:RedisCacheUrl"];
+        options.GroupNameFormat = "'v'V";
+        options.SubstituteApiVersionInUrl = true;
     });
 }
 
 var app = builder.Build();
 {
+    app.UseExceptionHandler(error =>
+    {
+        error.Run(async context =>
+        {
+            context.Response.StatusCode = StatusCodes.Status500InternalServerError;
+            context.Response.ContentType = "application/json";
+            var exceptionHandlerPathFeature = context.Features.Get<IExceptionHandlerPathFeature>();
+            var exception = exceptionHandlerPathFeature?.Error;
+            await context.Response.WriteAsync(Result.Failure(Error.DefaultMessage).ToString()!);
+        });
+    });
+
     app.UseHttpsRedirection();
     app.UseAuthorization();
     app.MapControllers();

src/SwiftLink.Presentation/SwiftLink.Presentation.csproj

@@ -12,6 +12,8 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Asp.Versioning.Http" Version="8.0.0" />
+    <PackageReference Include="Asp.Versioning.Mvc.ApiExplorer" Version="8.0.0" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="8.0.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
@@ -20,10 +22,6 @@
     <PackageReference Include="Swashbuckle.AspNetCore" Version="6.4.0" />
   </ItemGroup>
 
-  <ItemGroup>
-    <Folder Include="Controllers\" />
-  </ItemGroup>
-
   <ItemGroup>
     <ProjectReference Include="..\SwiftLink.Infrastructure\SwiftLink.Infrastructure.csproj" />
   </ItemGroup>