server/AyaNova/Controllers/AttachmentController.cs

@@ -164,6 +164,36 @@ namespace AyaNova.Api.Controllers
         }
 
 
+        /// <summary>
+        /// Get parent object type and id 
+        /// for specified attachment id
+        /// 
+        /// </summary>        
+        /// <returns></returns>
+        [Authorize]
+        [HttpGet("parent/{id}")]
+        public async Task<IActionResult> GetParent([FromRoute] long id)
+        {
+            if (serverState.IsClosed)
+                return StatusCode(503, new ApiErrorResponse(serverState.ApiErrorCode, null, serverState.Reason));
+
+            if (!Authorized.HasReadFullRole(HttpContext.Items, AyaType.FileAttachment))
+                return StatusCode(403, new ApiNotAuthorizedResponse());
+
+
+            if (!ModelState.IsValid)
+                return BadRequest(new ApiErrorResponse(ModelState));
+
+            var at = await ct.FileAttachment.AsNoTracking().Where(z => z.Id == id).FirstOrDefaultAsync();
+            if (at == null)
+                return NotFound();
+
+
+            return Ok(ApiOkResponse.Response(new { id = at.AttachToObjectId, type = at.AttachToObjectType }));
+        }
+
+
+
         //used to hold extra file data sent by client
         // public class UploadFileData
         // {

server/AyaNova/DataList/AttachmentDataList.cs

@@ -78,7 +78,7 @@ namespace AyaNova.DataList
             {
                 TKey = "FileSize",
                 FieldKey = "size",
-                UiFieldDataType = (int)UiFieldDataType.Integer,
+                UiFieldDataType = (int)UiFieldDataType.MemorySize,
                 SqlValueColumnName = "afileattachment.size"
             });
 

server/AyaNova/DataList/DataListSqlFilterCriteriaBuilder.cs

@@ -468,6 +468,7 @@ namespace AyaNova.DataList
                         }
                         break;
                     case UiFieldDataType.Enum://enums are just ints to the db, but it's a special type so the client can recognize it
+                    case UiFieldDataType.MemorySize://memory / file size, just a long but this type is for display formatting only
                     case UiFieldDataType.Decimal:
                     case UiFieldDataType.Currency:
                     case UiFieldDataType.InternalId:

server/AyaNova/biz/CustomFieldType.cs

@@ -24,6 +24,7 @@ namespace AyaNova.Biz
             _validCustomFieldTypes.Add((int)UiFieldDataType.Decimal);
             _validCustomFieldTypes.Add((int)UiFieldDataType.Integer);
             _validCustomFieldTypes.Add((int)UiFieldDataType.Bool);
+            
         }
 
 

server/AyaNova/biz/UiFieldDataType.cs

@@ -18,6 +18,7 @@ namespace AyaNova.Biz
         Enum = 10,
         EmailAddress = 11,
         HTTP = 12,
-        InternalId = 13
+        InternalId = 13,
+        MemorySize = 14//this is so client can convert what would normally be an Integer type to human readable file / ram size value
     }
 }