server/AyaNova/DataList/AyaDataListFieldDefinition.cs

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+using AyaNova.Biz;
+
+namespace AyaNova.DataList
+{
+
+    //This class defines a field used for returning data in list format for UI grid lists and reporting
+    public class AyaDataListFieldDefinition
+    {
+        //CLIENT / SERVER Unique identifier used at BOTH client and server
+        //also the sql displaycolumnname if identical
+        public string FieldKey { get; set; }
+
+        //CLIENT Use only for display
+        public string LtKey { get; set; }
+
+        //CLIENT / SERVER - client display server validation purposes
+        public bool IsCustomField { get; set; }
+
+        //CLIENT / SERVER - client display server validation purposes
+        public bool IsFilterable { get; set; }
+
+        //CLIENT / SERVER - client display server validation purposes
+        public bool IsSortable { get; set; }
+
+        //CLIENT Use only for display
+        public int UiFieldDataType { get; set; }
+
+        //CLIENT Use only for display
+        public string EnumType { get; set; }
+
+        //CLIENT / SERVER - client display and to indicate what object to open , Server for formatting return object      
+        public int AyaObjectType { get; set; }
+
+        //SERVER - for building sql queries
+        public string SqlIdColumnName { get; set; }
+        public string SqlValueColumnName { get; set; }
+
+
+        public AyaDataListFieldDefinition()
+        {
+            //most common defaults           
+
+            IsCustomField = false;
+            IsFilterable = true;
+            IsSortable = true;
+            //Set openable object type to no type which is the default and means it's not a link to another object
+            AyaObjectType = (int)AyaType.NoType;
+
+        }
+
+        //Get column to query for display name or use FieldName if there is no difference
+        public string GetSqlValueColumnName()
+        {
+            if (string.IsNullOrEmpty(SqlValueColumnName))
+            {
+                return FieldKey.ToLowerInvariant();
+            }
+            else
+            {
+                return SqlValueColumnName;
+            }
+        }
+
+    }
+}

server/AyaNova/DataList/IAyaDataList.cs

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+using System.Collections.Generic;
+using AyaNova.Biz;
+namespace AyaNova.DataList
+{
+    internal interface IAyaDataList
+    {
+        //Unique key to identify this list
+        string ListKey { get; }
+
+        //sql query from fragment with table joins et
+        string SQLFrom { get; }
+
+        //List of fields for this object
+        List<AyaDataListFieldDefinition> FieldDefinitions { get; }
+
+        //allowed roles to access this list
+        public AuthorizationRoles AllowedRoles { get; }
+    }
+
+}