ToLaptop

lib/tfl_datasets.dart

@@ -0,0 +1,125 @@
+
+
+import 'dart:typed_data';
+
+import 'package:bus_infotainment/audio_cache.dart';
+import 'package:bus_infotainment/utils/NameBeautify.dart';
+import 'package:csv/csv.dart';
+
+class BusSequences {
+
+  Map<String, BusRoute> routes = {};
+
+  BusSequences.fromCSV(String csv) {
+
+    List<List<dynamic>> rowsAsListOfValues = const CsvToListConverter().convert(csv);
+
+    rowsAsListOfValues.removeAt(0);
+
+    for (int i = 0; i < rowsAsListOfValues.length; i++) {
+
+      try {
+
+        List<dynamic> entries = rowsAsListOfValues[i];
+
+        String routeNumber = entries[0].toString();
+
+        BusRoute route = routes.containsKey(routeNumber) ? routes[routeNumber]! : BusRoute(routeNumber: routeNumber);
+
+        int routeVariant = entries[1];
+
+        BusRouteVariant variant = route.routeVariants.containsKey(routeVariant) ? route.routeVariants[routeVariant]! : BusRouteVariant(routeVariant: routeVariant, busRoute: route);
+
+        BusRouteStops stop = BusRouteStops();
+
+        stop.stopName = entries[6].toString();
+        stop.stopCode = entries[4].toString();
+        stop.easting = entries[7];
+        stop.northing = entries[8];
+
+        variant.busStops.add(stop);
+
+        route.routeVariants[routeVariant] = variant;
+        routes[routeNumber] = route;
+
+      } catch (e) {
+        // print("Error parsing bus sequence: $e");
+      }
+
+    }
+  }
+
+}
+
+class BusRoute {
+
+  String routeNumber = "";
+
+  AnnouncementCache? announcementCache;
+
+  Map<int, BusRouteVariant> routeVariants = {};
+
+  BusRoute({
+    this.routeNumber = "-1",
+    this.announcementCache,
+  });
+
+}
+
+class BusRouteVariant {
+
+    int routeVariant = -1;
+
+    List<BusRouteStops> busStops = [];
+
+    late BusRoute busRoute;
+
+    BusRouteVariant({
+      this.routeVariant = -1,
+      required this.busRoute,
+    });
+}
+
+class BusRouteStops {
+
+  String stopName = "";
+
+  int easting = -1;
+  int northing = -1;
+
+  String stopCode = "";
+
+  String get formattedStopName {
+    return NameBeautify.beautifyStopName(stopName);
+  }
+
+  String getAudioFileName() {
+
+    // Convert the stop name to all caps
+    String stopName = this.stopName.toUpperCase();
+
+    stopName = NameBeautify.beautifyStopName(stopName);
+
+    // replace & with N
+    stopName = stopName.replaceAll('&', 'N');
+
+    stopName = stopName.replaceAll('/', '');
+
+    stopName = stopName.replaceAll('\'', '');
+
+    stopName = stopName.replaceAll('  ', ' ');
+
+    // Replace space with underscore
+    stopName = stopName.replaceAll(' ', '_');
+
+    // convert to all caps
+    stopName = stopName.toUpperCase();
+
+    stopName = "S_${stopName}_001.mp3";
+
+    return stopName;
+
+
+  }
+
+}