feat(UserConroller): Added method to get authorized user.

WorkFlow.API/Controllers/ControllerExtensions.cs

@@ -5,7 +5,7 @@ namespace WorkFlow.API.Controllers
 {
     public static class ControllerExtensions
     {
-        public static bool? TryGetUserId(this ControllerBase controller, out int id)
+        public static bool TryGetUserId(this ControllerBase controller, out int? id)
         {
             var value = controller.User.FindFirstValue(ClaimTypes.NameIdentifier);
 
@@ -22,7 +22,7 @@ namespace WorkFlow.API.Controllers
             }
             else
             {
-                id = default;
+                id = null;
                 return false;
             }
         }

WorkFlow.API/Controllers/UserController.cs

@@ -0,0 +1,44 @@
+using DigitalData.Core.DTO;
+using DigitalData.UserManager.Application.Contracts;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+
+namespace WorkFlow.API.Controllers
+{
+    [Route("api/[controller]")]
+    [ApiController]
+    [Authorize]
+    public class UserController(ILogger<UserController> logger, IUserService userService) : ControllerBase
+    {
+        [HttpGet]
+        public async Task<IActionResult> GetAsync()
+        {
+            try
+            {
+                if (!this.TryGetUserId(out int? id))
+                {
+                    logger.LogError("Authorization failed: User ID claim not found.");
+                    return StatusCode(StatusCodes.Status500InternalServerError, "Failed to retrieve user identity.");
+                }
+                else if(id is int id_int)
+                    return await userService.ReadByIdAsync(id_int).ThenAsync(
+                        Success: Ok,
+                        Fail: IActionResult (msg, ntc) =>
+                        {
+                            logger.LogNotice(ntc);
+                            return NotFound();
+                        });
+                else
+                {
+                    logger.LogError("Invalid user ID: Retrieved ID is null or not an integer.");
+                    return StatusCode(StatusCodes.Status500InternalServerError, "Invalid user ID.");
+                }
+            }
+            catch(Exception ex)
+            {
+                logger.LogError(exception: ex, "{message}", ex.Message);
+                return StatusCode(StatusCodes.Status500InternalServerError);
+            }
+        }
+    }
+}