public ItemResult SyncImage(MobileDocumentMedia mobileDocumentMedia)
        {
            ItemResult itemResult      = new ItemResult();
            string     message         = string.Empty;
            string     status          = string.Empty;
            bool       isValidVersion  = true;
            int        documentMediaId = 0;

            try
            {
                using (StageBitzDB dataContext = new StageBitzDB())
                {
                    if (mobileDocumentMedia != null)
                    {
                        isValidVersion = Helper.IsValidAppVersion(mobileDocumentMedia.Version, out status);
                        if (isValidVersion)
                        {
                            if (mobileDocumentMedia != null)
                            {
                                //Check if the Item is already being synced
                                if (dataContext.InventoryMobileDocumentMedias.Where(imdm => imdm.MobileDocumentMediaId == mobileDocumentMedia.MobileImageId && imdm.RelatedTable == mobileDocumentMedia.RelatedTable && imdm.RelatedId == mobileDocumentMedia.RelatedId).FirstOrDefault() == null)
                                {
                                    //Check if the Item is exist
                                    Data.Item item = dataContext.Items.Where(i => i.ItemId == mobileDocumentMedia.RelatedId).FirstOrDefault();

                                    if (item != null && item.IsActive)
                                    {
                                        int         userId      = int.Parse(Utils.DecryptStringAES(mobileDocumentMedia.Token));
                                        InventoryBL inventoryBL = new InventoryBL(dataContext);
                                        if (!inventoryBL.GetItemStatusInformationForUser(item, mobileDocumentMedia.CompanyId, userId).IsReadOnly)
                                        {
                                            //Images can be either deleted or added.
                                            if (mobileDocumentMedia.DocumentMediaId == 0)
                                            {
                                                DocumentMedia documentMedia = new DocumentMedia();
                                                documentMedia.DocumentMediaContent = Helper.LoadImage(mobileDocumentMedia.Image, false, mobileDocumentMedia.FileExtension);
                                                documentMedia.Thumbnail            = Helper.LoadImage(mobileDocumentMedia.Image, true, mobileDocumentMedia.FileExtension);
                                                documentMedia.RelatedId            = mobileDocumentMedia.RelatedId;
                                                documentMedia.RelatedTableName     = mobileDocumentMedia.RelatedTable;
                                                documentMedia.SortOrder            = inventoryBL.HasDefaultImageSet(mobileDocumentMedia.RelatedId, mobileDocumentMedia.RelatedTable) ? 0 : 1;
                                                documentMedia.IsImageFile          = true;
                                                documentMedia.FileExtension        = mobileDocumentMedia.FileExtension;
                                                documentMedia.Name        = mobileDocumentMedia.Name;
                                                documentMedia.CreatedBy   = documentMedia.LastUpdatedBy = userId;
                                                documentMedia.CreatedDate = documentMedia.LastUpdatedDate = Utils.Today;
                                                dataContext.DocumentMedias.AddObject(documentMedia);

                                                InventoryMobileDocumentMedia inventoryMobileDocumentMedia = new InventoryMobileDocumentMedia();
                                                inventoryMobileDocumentMedia.MobileDocumentMediaId = mobileDocumentMedia.MobileImageId;
                                                inventoryMobileDocumentMedia.DocumentMediaId       = documentMedia.DocumentMediaId;
                                                inventoryMobileDocumentMedia.RelatedTable          = mobileDocumentMedia.RelatedTable;
                                                inventoryMobileDocumentMedia.RelatedId             = mobileDocumentMedia.RelatedId;
                                                inventoryMobileDocumentMedia.CreatedBy             = userId;
                                                inventoryMobileDocumentMedia.CreatedDate           = inventoryMobileDocumentMedia.LastUpdateDate = Utils.Today;
                                                dataContext.InventoryMobileDocumentMedias.AddObject(inventoryMobileDocumentMedia);

                                                dataContext.SaveChanges();
                                                status          = "OK";
                                                documentMediaId = documentMedia.DocumentMediaId;
                                            }
                                            else
                                            {
                                                UtilityBL     utilityBL     = new UtilityBL(dataContext);
                                                DocumentMedia documentMedia = utilityBL.GetDocumentMedia(mobileDocumentMedia.DocumentMediaId);
                                                if (documentMedia != null)
                                                {
                                                    dataContext.DeleteDocumentMedia(mobileDocumentMedia.DocumentMediaId);
                                                    status = "OK";
                                                }
                                                else
                                                {
                                                    status  = "OK";
                                                    message = "Image no longer exists.";
                                                }
                                            }
                                        }
                                        else
                                        {
                                            status  = "NORIGHTS";
                                            message = "Check settings with Company Administrator.";
                                        }
                                    }
                                    else
                                    {
                                        status  = "ITEMDELETED";
                                        message = "Item no longer exists.";
                                    }
                                }
                                else
                                {
                                    status  = "EXIST";
                                    message = "Image already synced.";
                                }
                            }
                        }
                        else
                        {
                            status  = "INVALIDAPP";
                            message = "Please update App.";
                        }
                    }
                    else
                    {
                        status  = "ERROR";
                        message = "Oops! Unkown error. Sorry...";
                    }
                }
            }
            catch (Exception ex)
            {
                AgentErrorLog.HandleException(ex);
                status  = "ERROR";
                message = "Oops! Unkown error. Sorry...";
            }
            itemResult.Id       = documentMediaId;
            itemResult.MobileId = mobileDocumentMedia != null ? mobileDocumentMedia.MobileImageId : "0";
            itemResult.Status   = status;
            itemResult.Message  = message;
            return(itemResult);
        }