feat: expose vehicle map data APIs

vehicle-data-platform/apps/api/internal/openplatform/mysql.go

@@ -137,6 +137,90 @@ func (r *MySQLRepository) TotalMileage(ctx context.Context, vin string, at time.
 	return nil, nil
 }
 
+func (r *MySQLRepository) RealtimeVehicles(ctx context.Context, vins []string, now time.Time) (map[string]RealtimeVehiclePoint, error) {
+	out := make(map[string]RealtimeVehiclePoint, len(vins))
+	if len(vins) == 0 {
+		return out, nil
+	}
+	placeholders := strings.TrimRight(strings.Repeat("?,", len(vins)), ",")
+	args := make([]any, 0, len(vins)+1)
+	for _, vin := range vins {
+		args = append(args, vin)
+	}
+	args = append(args, now.Add(-10*time.Minute))
+	query := `
+SELECT l.vin,l.protocol,COALESCE(l.longitude,0),COALESCE(l.latitude,0),
+       COALESCE(l.speed_kmh,0),COALESCE(l.total_mileage_km,0),l.updated_at
+FROM vehicle_realtime_location l
+WHERE BINARY l.vin IN (` + placeholders + `)
+ORDER BY l.vin,
+         CASE WHEN l.updated_at>=? THEN 0 ELSE 1 END,
+         CASE l.protocol WHEN 'GB32960' THEN 10 WHEN 'YUTONG_MQTT' THEN 20 WHEN 'JT808' THEN 30 ELSE 100 END,
+         l.updated_at DESC,l.protocol ASC`
+	rows, err := r.db.QueryContext(ctx, query, args...)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	for rows.Next() {
+		var point RealtimeVehiclePoint
+		if err := rows.Scan(&point.VIN, &point.Protocol, &point.Longitude, &point.Latitude, &point.SpeedKmh, &point.TotalMileageKm, &point.ObservedAt); err != nil {
+			return nil, err
+		}
+		if _, exists := out[point.VIN]; !exists {
+			out[point.VIN] = point
+		}
+	}
+	return out, rows.Err()
+}
+
+func (r *MySQLRepository) HydrogenStations(ctx context.Context, request HydrogenStationRequest) ([]HydrogenStation, error) {
+	where := []string{
+		"s.longitude BETWEEN -180 AND 180",
+		"s.latitude BETWEEN -90 AND 90",
+		"NOT (s.longitude=0 AND s.latitude=0)",
+	}
+	args := make([]any, 0, 3)
+	if request.Province != "" {
+		where = append(where, "s.province=?")
+		args = append(args, request.Province)
+	}
+	if request.City != "" {
+		where = append(where, "s.city=?")
+		args = append(args, request.City)
+	}
+	if request.CooperateOnly != nil {
+		if *request.CooperateOnly {
+			where = append(where, "s.inner_site_id IS NOT NULL")
+		} else {
+			where = append(where, "s.inner_site_id IS NULL")
+		}
+	}
+	rows, err := r.db.QueryContext(ctx, `
+SELECT CAST(s.id AS CHAR),COALESCE(NULLIF(s.fixed_station_name,''),NULLIF(s.station_name,''),''),
+       COALESCE(h.station_short_name,''),COALESCE(s.station_address,''),
+       s.longitude,s.latitude,COALESCE(s.province,''),COALESCE(s.city,''),COALESCE(s.district,''),
+       CASE WHEN s.inner_site_id IS NULL THEN 0 ELSE 1 END
+FROM ln_asset_management.tab_outside_hydrogen_site s
+LEFT JOIN ln_asset_management.hydrogen_station h ON h.id=s.inner_site_id AND h.del_flag='0'
+WHERE `+strings.Join(where, " AND ")+`
+ORDER BY s.province,s.city,s.fixed_station_name,s.id
+LIMIT 2000`, args...)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	stations := make([]HydrogenStation, 0, 512)
+	for rows.Next() {
+		var station HydrogenStation
+		if err := rows.Scan(&station.ID, &station.Name, &station.ShortName, &station.Address, &station.Longitude, &station.Latitude, &station.Province, &station.City, &station.District, &station.Cooperative); err != nil {
+			return nil, err
+		}
+		stations = append(stations, station)
+	}
+	return stations, rows.Err()
+}
+
 func (r *MySQLRepository) DailyHydrogen(ctx context.Context, vins []string, date string) (map[string]DailyHydrogen, error) {
 	if len(vins) == 0 {
 		return map[string]DailyHydrogen{}, nil