private bool InsertPermission(OralConsultationItem item, OralConsultation entity)
        {
            foreach (var itm in db.TmpOralConsultationPermissions.Where(p => p.GUID == item.GUID))
            {
                OralConsultationPermission dbItem = new OralConsultationPermission
                {
                    OralConsultation             = entity,
                    UserID                       = itm.UserID,
                    IsChange                     = itm.IsChange,
                    IsRead                       = itm.IsRead,
                    OralConsultationID           = itm.OralConsultationID,
                    OralConsultationPermissionID = itm.OralConsultationPermissionID
                };
                db.OralConsultationPermissions.Add(dbItem);
            }

            List <int> deletionTempItems = new List <int>();

            foreach (var itm3 in db.TmpOralConsultationPermissions.Where(p => p.GUID == item.GUID))
            {
                deletionTempItems.Add(itm3.ID);
            }
            foreach (int ID in deletionTempItems)
            {
                db.TmpOralConsultationPermissions.Remove(db.TmpOralConsultationPermissions.Find(ID));
            }
            return(true);
        }
        private bool UpdatePermission(OralConsultationItem item, OralConsultation entity)
        {
            List <int> existingItems = new List <int>();

            foreach (var itm in db.TmpOralConsultationPermissions.Where(p => p.GUID == item.GUID))
            {
                existingItems.Add(itm.OralConsultationPermissionID);
                OralConsultationPermission dbItem = new OralConsultationPermission
                {
                    OralConsultation             = entity,
                    UserID                       = itm.UserID,
                    IsChange                     = itm.IsChange,
                    IsRead                       = itm.IsRead,
                    OralConsultationID           = itm.OralConsultationID,
                    OralConsultationPermissionID = itm.OralConsultationPermissionID
                };

                if (itm.OralConsultationPermissionID == 0)
                {
                    db.OralConsultationPermissions.Add(dbItem);
                }
                else
                {
                    db.OralConsultationPermissions.Attach(dbItem);
                    db.Entry(dbItem).State = EntityState.Modified;
                }
            }

            List <int> deletedItems = new List <int>();

            foreach (var itm2 in db.OralConsultationPermissions.Where(p => p.OralConsultationID == item.OralConsultationID))
            {
                deletedItems.Add(itm2.OralConsultationPermissionID);
            }

            List <int> common = deletedItems.Except(existingItems).ToList();

            foreach (int deletionID in common)
            {
                db.OralConsultationPermissions.Remove(db.OralConsultationPermissions.Find(deletionID));
            }

            List <int> deletionTempItems = new List <int>();

            foreach (var itm3 in db.TmpOralConsultationPermissions.Where(p => p.GUID == item.GUID))
            {
                deletionTempItems.Add(itm3.ID);
            }
            foreach (int ID in deletionTempItems)
            {
                db.TmpOralConsultationPermissions.Remove(db.TmpOralConsultationPermissions.Find(ID));
            }
            return(true);
        }