Add project files.

Core.Blueprint.Service.UseCases/GetSecret/Adapter/GetSecretPort.cs

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+using Core.Blueprint.Service.Domain.Entities;
+using Core.Blueprint.Service.UseCases.GetSampleItems.Ports;
+using Core.Blueprint.Service.UseCases.GetSecret.Ports;
+using Lib.Architecture.BuildingBlocks;
+using Microsoft.AspNetCore.Mvc;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Core.Blueprint.Service.UseCases.GetSecret.Adapter
+{
+    public class GetSecretPort : BasePresenter, IGetSecretPort
+    {
+
+        public void Success(SecretEntity output)
+        {
+            ViewModel = new OkObjectResult(output);
+        }
+    }
+}

Core.Blueprint.Service.UseCases/GetSecret/GetSecretHandler.cs

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+using Core.Blueprint.Service.Domain.Entities;
+using Core.Blueprint.Service.External.Clients.SecretClient;
+using Core.Blueprint.Service.UseCases.GetSampleItems.Input;
+using Core.Blueprint.Service.UseCases.GetSampleItems.Ports;
+using Core.Blueprint.Service.UseCases.GetSecret.Input;
+using Core.Blueprint.Service.UseCases.GetSecret.Ports;
+using FluentValidation;
+using Lib.Architecture.BuildingBlocks;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Core.Blueprint.Service.UseCases.GetSecret
+{
+    public class GetSecretHandler(IGetSecretPort port, IValidator<GetSecretRequest> validator, ISecretService secretService) : IComponentHandler<GetSecretRequest>
+    {
+        private readonly IGetSecretPort _port = port;
+        private readonly IValidator<GetSecretRequest> _validator = validator;
+        private readonly ISecretService _secretService = secretService;
+
+        public async ValueTask ExecuteAsync(GetSecretRequest command, CancellationToken cancellationToken = default)
+        {
+            try
+            {
+                if (!command.IsValid(_validator))
+                {
+                    _port.ValidationErrors(command.Notifications);
+                }
+
+                var result = await _secretService.GetSecretAsync(command.Secret);
+
+                if (result is null || string.IsNullOrWhiteSpace(result.Value))
+                {
+                    _port.NoContentSuccess();
+                    return;
+                }
+
+
+                _port.Success(result);
+            }
+            catch (Exception ex)
+            {
+                _port.BusinessError(ex.Message);
+            }
+        }
+    }
+}

Core.Blueprint.Service.UseCases/GetSecret/Input/GetSecretRequest.cs

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+using Lib.Architecture.BuildingBlocks;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Core.Blueprint.Service.UseCases.GetSecret.Input
+{
+    public class GetSecretRequest : Notificator, ICommand
+    {
+        public string? Secret { get; set; }
+
+        public bool Validate()
+        {
+            return true;
+        }
+    }
+}

Core.Blueprint.Service.UseCases/GetSecret/Ports/IGetSecretPort.cs

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+using Core.Blueprint.Service.Domain.Dtos;
+using Core.Blueprint.Service.Domain.Entities;
+using Lib.Architecture.BuildingBlocks;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Core.Blueprint.Service.UseCases.GetSecret.Ports
+{
+    public interface IGetSecretPort : IBasePort, ICommandSuccessPort<SecretEntity>, INoContentPort, IBusinessErrorPort, ITimeoutPort, IValidationErrorPort
+    {
+    }
+}

Core.Blueprint.Service.UseCases/GetSecret/Validator/GetSecretValidator.cs

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+using Core.Blueprint.Service.UseCases.GetSampleItems.Input;
+using Core.Blueprint.Service.UseCases.GetSecret.Input;
+using FluentValidation;
+using System;
+using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Core.Blueprint.Service.UseCases.GetSecret.Validator
+{
+    [ExcludeFromCodeCoverage]
+    public class GetSecretValidator : AbstractValidator<GetSecretRequest>
+    {
+        public GetSecretValidator()
+        {
+            RuleFor(i => i.Secret).NotNull().NotEmpty().WithMessage("Is required.");
+        }
+    }
+}