add UserContext summary

SurveyBackend/SurveyBackend.API/Contexts/UserContext.cs

@@ -1,19 +1,31 @@
 using System.Security.Claims;
 using SurveyBackend.Core.Contexts;
+using SurveyBackend.Services.Exceptions;
 
 namespace SurveyBackend.Contexts;
 
+/// <summary>
+/// Упрощает получение UserId из JWT-токена
+/// </summary>
 public class UserContext : IUserContext
 {
     private readonly IHttpContextAccessor _httpContextAccessor;
 
+    /// <summary>
+    /// Добавьте HttpContextAccessor в DI и будет счастье
+    /// </summary>
+    /// <param name="httpContextAccessor"></param>
     public UserContext(IHttpContextAccessor httpContextAccessor)
     {
         _httpContextAccessor = httpContextAccessor;
     }
 
+    /// <summary>
+    /// Возвращает UserId из токена, при отсуствии кидает Unauthorized
+    /// </summary>
+    /// <exception cref="UnauthorizedAccessException"></exception>
     public int UserId =>
         int.Parse(
             _httpContextAccessor.HttpContext?.User.Claims.FirstOrDefault(c => c.Type == ClaimTypes.NameIdentifier)
-                ?.Value ?? throw new UnauthorizedAccessException());
+                ?.Value ?? throw new UnauthorizedException("Where's your token mister"));
 }