/// <summary>
 /// Constructor to initialize itemBl, commentBl, and relationBL
 /// </summary>
 /// <param name="itemBl">Class with item business logic</param>
 /// <param name="commentBl">Class with comment business logic</param>
 /// <param name="relationBl">Class with ItemRelation business logic</param>
 public ItemController(IItemBl itemBl, ICommentBl commentBl, IItemRelationBl relationBl)
 {
     _itemBl         = itemBl;
     _commentBl      = commentBl;
     _itemRelationBl = relationBl;
 }
 /// <summary>
 /// Constructor to initialize CommentBL
 /// </summary>
 /// <param name="commentBl">Class with comment business logic</param>
 public CommentController(ICommentBl commentBl)
 {
     _commentBl = commentBl;
 }