Added basic i18n

datasources/mtr/bus/query.go

@@ -13,7 +13,12 @@ func Query(q query.QueryMessage) query.IQueryResult {
 	var qBusStops *query.QueryObject
 	var err error
 
-	qr := QueryResult{Lang: lang}
+	qr := QueryResult{
+		Lang:            lang,
+		FallbackNearest: 3,
+		NearestRange:    50,
+	}
+
 	busStops, err := getBusStops()
 	if err != nil {
 		qr.Error = err
@@ -23,16 +28,16 @@ func Query(q query.QueryMessage) query.IQueryResult {
 	if q.Text != "" {
 		qBusStops, err = query.MatchKeys(strings.ToUpper(q.Text), busStops)
 	} else if q.Location != nil {
-		qBusStops, err = query.MatchNearest(*q.Location, busStops, 100, 3)
+		qBusStops, err = query.MatchNearest(*q.Location, busStops, qr.NearestRange, qr.FallbackNearest)
 	}
 
-	qBusStops.Message = &q
-
 	if err != nil {
 		qr.Error = err
 		goto qrReturn
 	}
 
+	qBusStops.Message = &q
+
 	qr.Query = qBusStops
 	if 0 < len(*qBusStops.Results) && 1 < len(*qBusStops.SearchTerms) {
 		schedules, err := getSchedule(lang, qBusStops.Key)