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
         // {