First Commit

JobTrackerApi/Services/CurrentUserService.cs

@@ -0,0 +1,29 @@
+using System.Security.Claims;
+
+namespace JobTrackerApi.Services;
+
+public interface ICurrentUserService
+{
+    string? UserId { get; }
+}
+
+public sealed class CurrentUserService : ICurrentUserService
+{
+    private readonly IHttpContextAccessor _http;
+
+    public CurrentUserService(IHttpContextAccessor http)
+    {
+        _http = http;
+    }
+
+    public string? UserId
+    {
+        get
+        {
+            var u = _http.HttpContext?.User;
+            if (u is null) return null;
+            if (u.Identity?.IsAuthenticated != true) return null;
+            return u.FindFirstValue(ClaimTypes.NameIdentifier) ?? u.FindFirstValue("sub");
+        }
+    }
+}