chore: alle Projekte in das Verzeichnis src verschieben

src/WorkFlow.API/Controllers/UserController.cs

@@ -0,0 +1,54 @@
+using DigitalData.Core.DTO;
+using DigitalData.UserManager.Application.Contracts;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using WorkFlow.API.Attributes;
+
+namespace WorkFlow.API.Controllers;
+
+[APIKeyAuth]
+[Route("api/[controller]")]
+[ApiController]
+[Authorize]
+public class UserController : ControllerBase
+{
+    private readonly ILogger<UserController> logger;
+    private readonly IUserService userService;
+
+    public UserController(ILogger<UserController> logger, IUserService userService)
+    {
+        this.logger = logger;
+        this.userService = userService;
+    }
+
+    [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(ex, "An unexpected error occurred while processing the request: {Message}", ex.Message);
+            return StatusCode(StatusCodes.Status500InternalServerError, "An internal server error occurred.");
+        }
+    }
+}