History fetching from server

node.go

@@ -293,6 +293,26 @@ func RetrieveNodeHistory(userID int, nodeUUID string, offset int) (nodes []Node,
 	}
 	return
 } // }}}
+func RetrieveNodeHistoryCount(userID int, nodeUUID string) (count int, err error) { // {{{
+	var row *sql.Row
+	row = db.QueryRow(`
+		SELECT
+			COUNT(*)
+		FROM node_history
+		WHERE
+			user_id = $1 AND
+			uuid = $2
+		`,
+		userID,
+		nodeUUID,
+	)
+	if err = row.Scan(&count); err != nil {
+		err = werr.Wrap(err)
+		return
+	}
+
+	return
+} // }}}
 func NodeCrumbs(nodeUUID string) (nodes []Node, err error) { // {{{
 	var rows *sqlx.Rows
 	rows, err = db.Queryx(`