Properly handle REFERENCE_ID for future changes

datasources/mtr/bus/BusStop.go

@@ -18,6 +18,9 @@ type BusStop struct {
 	// RouteStops[ StationSeq ] = BusStop
 	RouteStops *map[int]*BusStop
 
+	// AltRoutes
+	AltRoutes *map[string]*BusStop
+
 	i18n.Generics
 }
 

datasources/mtr/bus/QueryResult.go

@@ -3,6 +3,7 @@ package bus
 import (
 	"fmt"
 	"sort"
+	"strconv"
 	"strings"
 
 	query "github.com/tgckpg/golifehk/query"
@@ -65,29 +66,71 @@ func ( this QueryResult ) Message() ( string, error ) {
 		} else if 1 == len(*q.SearchTerms) {
 
 			// Route listing
-            st := map[string] *BusStop{}
-            keys := [] string{}
+			busLines := map[string]map[string]*BusStop{}
 
 			for _, entry := range *q.Results {
 
 				busStop := any(entry).(*BusStop)
-                if _, ok := st[ busStop.Direction ]; ok {
+				busRoutes := busLines[busStop.ReferenceId]
+
+				if busRoutes == nil {
+					busRoutes = make(map[string]*BusStop)
+					busLines[busStop.ReferenceId] = busRoutes
+				}
+
+				if _, ok := busRoutes[busStop.Direction]; ok {
 					continue
 				}
 
-                st[ busStop.Direction ] = busStop
-                keys = append( keys, busStop.Direction )
+				busRoutes[busStop.Direction] = busStop
 
-                for st[ busStop.Direction ].PrevStop() != nil {
-                    st[ busStop.Direction ] = st[ busStop.Direction ].PrevStop()
+				for busRoutes[busStop.Direction].PrevStop() != nil {
+					busRoutes[busStop.Direction] = busRoutes[busStop.Direction].PrevStop()
 				}
 			}
 
-            sort.Strings( keys )
+			// Sort Bus Lines
+			lineKeys := make([]string, 0, len(busLines))
+			for k := range busLines {
+				lineKeys = append(lineKeys, k)
+			}
 
-            for _, d := range keys {
-                b := st[ d ]
-                utils.WriteMDv2Text( &sb, q.Key )
+			sort.Slice(lineKeys, func(i, j int) bool {
+				ai, an := splitKey(lineKeys[i])
+				bi, bn := splitKey(lineKeys[j])
+
+				// different base → normal string compare
+				if ai != bi {
+					return ai < bi
+				}
+
+				// same base: base key comes first
+				if an == -1 && bn != -1 {
+					return true
+				}
+				if an != -1 && bn == -1 {
+					return false
+				}
+
+				// both have suffix → numeric compare
+				return an < bn
+			})
+
+			for _, lineKey := range lineKeys {
+				busRoutes := busLines[lineKey]
+
+				// Sort route directions
+				dirKeys := make([]string, 0, len(busRoutes))
+				for k := range busRoutes {
+					dirKeys = append(dirKeys, k)
+				}
+
+				sort.Strings(dirKeys)
+
+				for _, d := range dirKeys {
+					b := busRoutes[d]
+
+					utils.WriteMDv2Text(&sb, lineKey)
 
 					if d == "O" {
 						sb.WriteString("↑")
@@ -109,6 +152,7 @@ func ( this QueryResult ) Message() ( string, error ) {
 					}
 					sb.WriteString("\n")
 				}
+			}
 
 		} else {
 			return "", fmt.Errorf("%s", "Unreachable condition occured!?")
@@ -146,3 +190,17 @@ func ( this QueryResult ) Message() ( string, error ) {
 
 	return sb.String(), nil
 }
+
+func splitKey(s string) (base string, num int) {
+	parts := strings.SplitN(s, "-", 2)
+	if len(parts) == 1 {
+		return s, -1 // base key, no suffix
+	}
+
+	n, err := strconv.Atoi(parts[1])
+	if err != nil {
+		return s, -1 // fallback: treat as base
+	}
+
+	return parts[0], n
+}

datasources/mtr/bus/busstops.go

@@ -4,7 +4,6 @@ import (
 	"encoding/csv"
 	"fmt"
 	"io"
-	"log"
 	"net/http"
 	"path/filepath"
 	"strconv"
@@ -63,21 +62,16 @@ func readBusStopData(r io.Reader) (*map[string]*BusStop, error) {
 			}
 		}
 
-		// Ignoring special route for now as getSchedule does not reflect
-		// which bus is a special route
-		if entry.ReferenceId != entry.RouteId {
-			log.Printf("Ignoring special Route: %s", entry.ReferenceId)
-			continue
-		}
+		entryId := fmt.Sprintf("%s:%s", entry.ReferenceId, entry.StationId)
 
-		if busStops[entry.StationId] != nil {
+		if busStops[entryId] != nil {
 			return nil, fmt.Errorf("Duplicated entry %+v", entry)
 		}
 
-		routeDir, hasKey := routeStops[entry.RouteId]
+		routeDir, hasKey := routeStops[entry.ReferenceId]
 		if !hasKey {
-			routeStops[entry.RouteId] = map[string]map[int]*BusStop{}
-			routeDir = routeStops[entry.RouteId]
+			routeStops[entry.ReferenceId] = map[string]map[int]*BusStop{}
+			routeDir = routeStops[entry.ReferenceId]
 		}
 
 		route, hasKey := routeDir[entry.Direction]
@@ -94,7 +88,7 @@ func readBusStopData(r io.Reader) (*map[string]*BusStop, error) {
 		entry.RouteStops = &route
 		entry.Reload()
 
-		busStops[entry.StationId] = &entry
+		busStops[entryId] = &entry
 	}
 	return &busStops, nil
 }

datasources/mtr/bus/query.go

@@ -1,7 +1,9 @@
 package bus
 
 import (
+	"log"
 	"strings"
+
 	query "github.com/tgckpg/golifehk/query"
 )
 
@@ -42,6 +44,11 @@ func Query( lang string, message string ) query.IQueryResult {
 
 			for _, busStopSch := range schedules.BusStops {
 				if busStopSch.BusStopId == busStop.StationId {
+					if busStop.RouteId != busStop.ReferenceId {
+						// There were no indicator for special routes from getSchedule API
+						log.Printf("Ignoring special route matches: %s", busStop.ReferenceId)
+						continue
+					}
 					matches[busStop] = &busStopSch
 					break
 				}