server/AyaNova/biz/BizObjectNameFetcherDirect.cs

@@ -28,6 +28,7 @@ namespace AyaNova.Biz
         internal static string Name(AyaType aytype, long id, System.Data.Common.DbCommand cmd)
         {
             string TABLE = string.Empty;
+            string COLUMN = "name";
             switch (aytype)
             {
                 case AyaType.User:
@@ -42,10 +43,14 @@ namespace AyaNova.Biz
                 case AyaType.TagGroup:
                     TABLE = "ataggroup";
                     break;
+                case AyaType.FileAttachment:
+                    TABLE = "afileattachment";
+                    COLUMN = "displayfilename";
+                    break;
                 default:
                     throw new System.NotSupportedException($"AyaNova.BLL.BizObjectNameFetcher::Name type {aytype.ToString()} is not supported");
             }
-            cmd.CommandText = $"SELECT m.name FROM {TABLE} AS m WHERE m.id = {id} LIMIT 1";
+            cmd.CommandText = $"SELECT m.{COLUMN} FROM {TABLE} AS m WHERE m.id = {id} LIMIT 1";
             using (var dr = cmd.ExecuteReader())
                 return dr.Read() ? dr.GetString(0) : "UNKNOWN";
         }