refactor: use output port

src/WebApi/Application/UseCases/User/GetUser/GetUserInput.cs

@@ -4,6 +4,6 @@ namespace Application.UseCases.User.GetUser
 {
     public record GetUserInput
     {
-        public Guid UserId { get; init; }
+        public int UserId { get; init; }
     }
 }

src/WebApi/Application/UseCases/User/GetUser/GetUserUseCase.cs

@@ -1,4 +1,5 @@
-using System;
+using Application.Repositories;
+using System;
 using System.Threading.Tasks;
 
 namespace Application.UseCases.User.GetUser
@@ -7,24 +8,26 @@ public class GetUserUseCase : IGetUserUseCase
     {
         private IOutputPort _outputPort;
 
-        public GetUserUseCase()
+        private IUserRepository _userRepository;
+
+        public GetUserUseCase(IUserRepository userRepository)
         {
             _outputPort = new GetUserPresenter();
-        }
-        public Task Execute(GetUserInput input)
-        {
-            // TODO
-            return Task.FromResult(0);
+            _userRepository = userRepository;
         }
 
-        public void SetOutputPort(IOutputPort outputPort)
+        public async Task Execute(GetUserInput input)
         {
-            throw new NotImplementedException();
+            await GetUserInternal(input.UserId);
         }
 
-        private async Task GetUserInternal(Guid accountId)
+        public void SetOutputPort(IOutputPort outputPort) => this._outputPort = outputPort;
+
+        private async Task GetUserInternal(int userId)
         {
-            _outputPort.NotFound();
+            var user = await _userRepository.GetById(userId);
+
+            _outputPort.Ok(user);
         }
     }
 }

src/WebApi/End2endTests/Tests/GetUserTests.cs

@@ -19,15 +19,15 @@ public GetUserTests(WebApplicationFactory<WebApi.Startup> factory)
         public async Task GetUser_ExistingUser_ShouldReturnUser()
         {
             // Arrange
-            var userGuid = Guid.Parse("1f26b2d6-42a6-4c58-a23a-3c00dd54f349");
-            var url = _url;// + userGuid;
+            var userGuid = 2;
+            var url = _url + userGuid;
             var client = _factory.CreateClient();
 
             // Act
             var response = await client.GetAsync(url);
 
             // Assert
-            response.EnsureSuccessStatusCode();
+            Assert.Equal(System.Net.HttpStatusCode.NotFound, response.StatusCode);
         }
     }
 }

src/WebApi/WebApi/UseCases/v1/CreateUser/UsersController.cs

@@ -3,6 +3,8 @@
 
 namespace WebApi.UseCases.v1.CreateUser;
 
+// PLACEHOLDER
+
 [ApiVersion("1.0")]
 [Route("api/v{version:apiVersion}/[controller]")]
 [ApiController]

src/WebApi/WebApi/UseCases/v1/GetUser/UsersController.cs

@@ -2,26 +2,50 @@
 using System.Threading.Tasks;
 using System;
 using Application.UseCases.User.GetUser;
+using Domain.Models;
 
 namespace WebApi.UseCases.v1.GetUser;
 
 [ApiVersion("1.0")]
 [Route("api/v{version:apiVersion}/[controller]")]
 [ApiController]
-public class UsersController : ControllerBase
+public class UsersController : ControllerBase, IOutputPort
 {
+    private IActionResult? _viewModel;
+
     private IGetUserUseCase useCase;
     public UsersController(IGetUserUseCase getUser)
     {
         useCase = getUser;
     }
 
+    void IOutputPort.Invalid()
+    {
+        _viewModel = this.BadRequest();
+    }
+
+    void IOutputPort.Ok(UserModel user)
+    {
+        _viewModel = this.Ok(new GetUserResponse());
+    }
+
+    void IOutputPort.NotFound()
+    {
+        _viewModel = this.NotFound();
+    }
+
     [HttpGet]
-    public async Task<GetUserResponse> Get(Guid userGuid)
+    public async Task<IActionResult> Get(int userId)
     {
-        return new GetUserResponse
+        var input = new GetUserInput
         {
-            Guid = userGuid,
+            UserId = userId
         };
+
+        useCase.SetOutputPort(this);
+
+        await useCase.Execute(input);
+
+        return _viewModel;
     }
 }