server/AyaNova/models/DataListTableProcessingOptions.cs

@@ -15,6 +15,7 @@ namespace AyaNova.Models
         internal const int DefaultLimit = 25;
         internal int? Offset { get; set; }
         internal int? Limit { get; set; }
+        internal List<string> HiddenAffectiveColumns { get; set; }
 
         internal DataListTableProcessingOptions(
             DataListTableRequest request,
@@ -51,6 +52,8 @@ namespace AyaNova.Models
             foreach (DataListFilterOption dfo in StaticServerFilterOptions)
                 base.Filter.Add(dfo);
 
+            SetHiddenAffectiveColumns(dataList);
+
         }
 
         internal List<string> AllUniqueColumnKeysReferenced
@@ -62,5 +65,43 @@ namespace AyaNova.Models
             }
         }
 
+        //All columns that are hidden but are affecting the query (sorting, filtering)
+        //so in UI can show that there are hidden columns affecting the result set
+        internal void SetHiddenAffectiveColumns(IDataListProcessing dataList)
+        {
+
+            List<string> tempKeys = new List<string>();
+            foreach (string s in base.Filter.Select(z => z.Column).ToList())
+            {
+                if (!Columns.Contains(s))
+                {
+                    if (!tempKeys.Contains(s))
+                    {
+                        tempKeys.Add(s);
+                    }
+                }
+            }
+
+
+            foreach (string s in base.SortBy.Select(z => z.Key).ToList())
+            {
+                if (!Columns.Contains(s))
+                {
+                    if (!tempKeys.Contains(s))
+                    {
+                        tempKeys.Add(s);
+                    }
+                }
+            }
+
+            foreach (string s in tempKeys)
+            {
+                var fd = dataList.FieldDefinitions.Where(z => z.FieldKey == s).FirstOrDefault();
+                if (fd != null)
+                    HiddenAffectiveColumns.Add(fd.TKey);
+            }
+        }
     }
+
+
 }