Add project files.

Core.Blueprint.Service.UseCases/GetUploadImageUrl/GetUploadUrlHandler.cs

@@ -0,0 +1,42 @@
+using Core.Blueprint.Service.External.Clients.SampleImageClient;
+using Core.Blueprint.Service.UseCases.GetUploadImageUrl.Input;
+using Core.Blueprint.Service.UseCases.GetUploadImageUrl.Ports;
+using FluentValidation;
+using Lib.Architecture.BuildingBlocks;
+
+namespace Core.Blueprint.Service.UseCases.GetUploadImageUrl
+{
+    public class GetUploadUrlHandler(IGetUploadUrlPort port, IValidator<GetUploadUrlRequest> validator, ISampleImageClientService clientService) : IComponentHandler<GetUploadUrlRequest>
+    {
+        private readonly IGetUploadUrlPort _port = port;
+        private readonly IValidator<GetUploadUrlRequest> _validator = validator;
+        private readonly ISampleImageClientService _clientService = clientService;
+
+        public async ValueTask ExecuteAsync(GetUploadUrlRequest command, CancellationToken cancellationToken = default)
+        {
+            try
+            {
+                if (!command.IsValid(_validator))
+                {
+                    _port.ValidationErrors(command.Notifications);
+                    return;
+                }
+
+                var result = await _clientService.GetUploadUrl();
+
+                if (result == null)
+                {
+                    _port.NoContentSuccess();
+                    return;
+                }
+
+                _port.Success(result);
+            }
+            catch(Exception ex)
+            {
+                _port.BusinessError(ex.Message);
+            }
+
+        }
+    }
+}