feat(UI): add screens for choosing stations and vehicles (WIP)

lib/transport_helper.dart

@@ -438,7 +438,7 @@ class Station {
   });
 
   Map<String, Object?> _toMap() {
-    return {"id": id, "name": name};
+    return {"stationid": id, "name": name};
   }
 
   List<Map<String, Object?>> _toMapLines() {
@@ -455,20 +455,26 @@ class Station {
     List<Line>? stationLines,
   }) {
     return Station(
-      id: map["id"] as String,
+      id: map["stationid"] as String,
       name: map["name"] as String,
       transportLines: stationLines ?? List.empty(),
     );
   }
 
   factory Station.fromJson(Map<String, dynamic> json) => Station(
-    id: json["id"] ?? json["extId"] as String,
-    name: json["name"],
-    transportLines: json.containsKey("productAtStop")
-        ? json["productAtStop"].map(
-            (jsonLine) => Line.fromJson(jsonLine as Map<String, dynamic>),
-          )
-        : const [],
+    id: json["id"] as String,
+    name: json["name"] as String,
+    transportLines:
+        json.containsKey("productAtStop") && json["productAtStop"] != Null
+        ? json["productAtStop"]
+              .map(
+                (jsonLine) => //jsonLine != Null
+                    /*?*/ Line.fromJson(jsonLine! as Map<String, dynamic>),
+                //: Null,
+              )
+              .toList()
+              .cast<Line>()
+        : [],
   );
 
   static void initStationTable() async {
@@ -563,16 +569,19 @@ class Vehicle {
   static const String tableName = "vehicle";
 
   String id;
+  String name;
   String vehicleLineId;
 
   Vehicle({
     required this.id,
+    required this.name,
     required this.vehicleLineId,
   });
 
   Map<String, Object?> _toMap() {
     return {
       "id": id,
+      "name": name,
       "line": vehicleLineId,
     };
   }
@@ -582,6 +591,7 @@ class Vehicle {
   ) {
     return Vehicle(
       id: map["id"] as String,
+      name: map["name"] as String,
       vehicleLineId: map["line"] as String,
     );
   }
@@ -589,7 +599,8 @@ class Vehicle {
   // we can use the "product" class from within any JSON response
   // (within hafas API, on the appropriate level)
   factory Vehicle.fromJson(Map<String, dynamic> json) => Vehicle(
-    id: json["matchId"],
+    id: json["num"],
+    name: json["name"],
     vehicleLineId: Line.fromJson(json).lineId,
   );
 
@@ -597,7 +608,8 @@ class Vehicle {
     Database database = DbHelper.db;
     String line = Line.tableName;
     database.execute("""CREATE TABLE IF NOT EXISTS $tableName(
-      id TEXT PRIMARY KEY,
+      id        TEXT PRIMARY KEY,
+      name      TEXT,
       line      TEXT,
       FOREIGN KEY(line) REFERENCES $line(lineid)
     );
@@ -684,14 +696,14 @@ class Line {
   ];
 
   factory Line.fromJson(Map<String, dynamic> json) => Line(
-    lineId: json["lineId"],
-    name: json["name"],
-    mode: _vehicleTypeAsCatCode[int.parse(json["catCode"])],
+    lineId: json["lineId"] as String,
+    name: json["name"] as String,
+    mode: _vehicleTypeAsCatCode[int.parse(json["catCode"] as String)],
     fgColor:
-        Color.fromJson(json["foregroundColor"]) as Color? ??
+        Color.fromJson(json["icon"]["foregroundColor"]) as Color? ??
         Color(r: 255, g: 255, b: 255), // fallback
     bgColor:
-        Color.fromJson(json["backgroundColor"]) as Color? ??
+        Color.fromJson(json["icon"]["backgroundColor"]) as Color? ??
         Color(r: 50, g: 50, b: 50), // fallback
   );
   static void initLineTable() async {
@@ -744,12 +756,14 @@ class Departure {
 
   int? id;
   String vehicleId;
+  String vehicleName;
   String stationId;
   DateTime departureTime;
 
   Departure({
     this.id,
     required this.vehicleId,
+    required this.vehicleName,
     required this.stationId,
     required this.departureTime,
   });
@@ -758,6 +772,7 @@ class Departure {
     return {
       "id": id,
       "vehicle": vehicleId,
+      "vehiclename": vehicleName,
       "station": stationId,
       "departuretime": departureTime,
     };
@@ -767,19 +782,33 @@ class Departure {
     return Departure(
       id: map["id"] as int,
       vehicleId: map["vehicle"] as String,
+      vehicleName: map["vehiclename"] as String,
       stationId: map["station"] as String,
       departureTime: map["departuretime"] as DateTime,
     );
   }
   factory Departure.fromJson(Map<String, dynamic> json) {
-    Vehicle vehicle = Vehicle.fromJson(json["Product"]);
-    vehicle.dbInsert();
-    Station station = Station.fromJson(json["stop"]);
-    station.dbInsert();
+    Vehicle vehicle = Vehicle.fromJson(json["Product"][0]);
+    // try {
+    //   vehicle.dbInsert();
+    // } catch (e) {
+    //   vehicle.dbUpdate();
+    // }
+    Station station = Station(
+      id: json["stopid"],
+      name: json["stop"],
+      transportLines: [],
+    );
+    // try {
+    //   station.dbInsert();
+    // } catch (e) {
+    //   station.dbUpdate();
+    // }
     return Departure(
       vehicleId: vehicle.id,
+      vehicleName: vehicle.name,
       stationId: station.id,
-      departureTime: json["time"],
+      departureTime: DateTime.parse('${json["date"]}T${json["time"]}'),
     );
   }