implemented RMV public transit module including trip search, station departures, and nearby stop lookup, added "Marianum Connect" API integration with bearer token authentication and auto-refresh logic, integrated geolocator for location-based station search, added persistent storage for favorite stations and recent trip queries, and implemented comprehensive UI for journey details, trip results, and disruption alerts

lib/api/connect/auth/login/login.dart

@@ -0,0 +1,24 @@
+import 'dart:convert';
+
+import '../../connect_api.dart';
+import 'login_request.dart';
+import 'login_response.dart';
+
+class Login extends ConnectApi<LoginResponse> {
+  final LoginRequest payload;
+
+  Login(this.payload) : super('auth/login');
+
+  @override
+  bool get requiresAuth => false;
+
+  @override
+  ConnectHttpMethod get method => ConnectHttpMethod.post;
+
+  @override
+  Object? get body => payload.toJson();
+
+  @override
+  LoginResponse assemble(String raw) =>
+      LoginResponse.fromJson(jsonDecode(raw) as Map<String, dynamic>);
+}

lib/api/connect/auth/login/login_request.dart

@@ -0,0 +1,18 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'login_request.g.dart';
+
+@JsonSerializable()
+class LoginRequest {
+  final String username;
+  final String password;
+  final String tokenName;
+
+  LoginRequest({
+    required this.username,
+    required this.password,
+    required this.tokenName,
+  });
+
+  Map<String, dynamic> toJson() => _$LoginRequestToJson(this);
+}

lib/api/connect/auth/login/login_request.g.dart

@@ -0,0 +1,20 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'login_request.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+LoginRequest _$LoginRequestFromJson(Map<String, dynamic> json) => LoginRequest(
+  username: json['username'] as String,
+  password: json['password'] as String,
+  tokenName: json['tokenName'] as String,
+);
+
+Map<String, dynamic> _$LoginRequestToJson(LoginRequest instance) =>
+    <String, dynamic>{
+      'username': instance.username,
+      'password': instance.password,
+      'tokenName': instance.tokenName,
+    };

lib/api/connect/auth/login/login_response.dart

@@ -0,0 +1,65 @@
+/// Hand-rolled to be tolerant of the actual server payload: only [token] is
+/// load-bearing. `expiresAt` may be `null` (server-issued tokens without an
+/// explicit expiry); every other field shape is also tolerated so a stray
+/// rename on the backend does not break login for everyone.
+class LoginResponse {
+  final String token;
+  final String? tokenId;
+
+  /// `null` when the backend did not provide an expiry. In that case the
+  /// token is treated as long-lived; callers should refresh on 401.
+  final DateTime? expiresAt;
+  final ConnectUserDto? user;
+
+  LoginResponse({
+    required this.token,
+    required this.tokenId,
+    required this.expiresAt,
+    required this.user,
+  });
+
+  factory LoginResponse.fromJson(Map<String, dynamic> json) {
+    final token = json['token'];
+    if (token is! String || token.isEmpty) {
+      throw const FormatException('login response missing "token" string');
+    }
+    final expiresRaw = json['expiresAt'];
+    final expires = expiresRaw is String ? DateTime.tryParse(expiresRaw) : null;
+    final userJson = json['user'];
+    return LoginResponse(
+      token: token,
+      tokenId: json['tokenId']?.toString(),
+      expiresAt: expires,
+      user: userJson is Map<String, dynamic>
+          ? ConnectUserDto.fromJson(userJson)
+          : null,
+    );
+  }
+}
+
+class ConnectUserDto {
+  final String? id;
+  final String? username;
+  final String? firstName;
+  final String? lastName;
+  final String? userType;
+  final String? className;
+
+  ConnectUserDto({
+    this.id,
+    this.username,
+    this.firstName,
+    this.lastName,
+    this.userType,
+    this.className,
+  });
+
+  factory ConnectUserDto.fromJson(Map<String, dynamic> json) => ConnectUserDto(
+    id: json['id']?.toString(),
+    username: json['username']?.toString(),
+    firstName: json['firstName']?.toString(),
+    lastName: json['lastName']?.toString(),
+    userType: json['userType']?.toString(),
+    className: json['className']?.toString(),
+  );
+}

lib/api/connect/connect_api.dart

@@ -0,0 +1,179 @@
+import 'dart:async';
+import 'dart:convert';
+import 'dart:developer';
+import 'dart:io';
+
+import 'package:http/http.dart' as http;
+
+import '../api_request.dart';
+import '../errors/network_exception.dart';
+import '../errors/parse_exception.dart';
+import '../errors/server_exception.dart';
+import 'connect_auth_store.dart';
+import 'connect_endpoint.dart';
+import 'errors/connect_exception.dart';
+import 'errors/rmv_rate_limited_exception.dart';
+import 'errors/rmv_upstream_exception.dart';
+
+enum ConnectHttpMethod { get, post }
+
+/// Mirrors the [MhslApi] pattern: each endpoint subclasses this, declares the
+/// subpath/query/body, and implements [assemble]. Handles bearer-token
+/// injection (via [ConnectAuthStore]), one transparent 401-retry after a
+/// fresh login, and turns the structured `RmvController.wrap` error strings
+/// into typed exceptions.
+abstract class ConnectApi<T> extends ApiRequest {
+  final String subpath;
+
+  ConnectApi(this.subpath);
+
+  /// Override to `false` for endpoints that must NOT receive a bearer token
+  /// (currently only login itself, to avoid an infinite refresh loop).
+  bool get requiresAuth => true;
+
+  ConnectHttpMethod get method => ConnectHttpMethod.get;
+
+  Map<String, String>? get queryParameters => null;
+
+  /// Returns the body to send for POST requests. Should be JSON-encodable.
+  Object? get body => null;
+
+  T assemble(String raw);
+
+  Future<T> run() async {
+    final response = await _runOnce(forceTokenRefresh: false);
+    if (response.statusCode == 401 && requiresAuth) {
+      // Single transparent retry after a forced refresh, then bail.
+      await ConnectAuthStore.instance.invalidate();
+      final retry = await _runOnce(forceTokenRefresh: true);
+      if (retry.statusCode == 401) {
+        throw ConnectException.authFailed(
+          technicalDetails:
+              'connect $subpath HTTP 401 after token refresh: ${_safeBody(retry)}',
+        );
+      }
+      return _handleResponse(retry);
+    }
+    return _handleResponse(response);
+  }
+
+  Future<http.Response> _runOnce({required bool forceTokenRefresh}) async {
+    final uri = ConnectEndpoint.resolve(subpath).replace(
+      queryParameters: _normaliseQuery(queryParameters),
+    );
+
+    final headers = <String, String>{
+      if (method == ConnectHttpMethod.post) 'Content-Type': 'application/json',
+      'Accept': 'application/json',
+    };
+    if (requiresAuth) {
+      final token = await ConnectAuthStore.instance.getToken(
+        forceRefresh: forceTokenRefresh,
+      );
+      headers['Authorization'] = 'Bearer $token';
+    }
+
+    try {
+      switch (method) {
+        case ConnectHttpMethod.get:
+          return await http.get(uri, headers: headers);
+        case ConnectHttpMethod.post:
+          final payload = body;
+          return await http.post(
+            uri,
+            headers: headers,
+            body: payload == null ? null : jsonEncode(payload),
+          );
+      }
+    } on SocketException catch (e) {
+      throw NetworkException(
+        technicalDetails: 'connect $subpath: ${e.message}',
+      );
+    } on TimeoutException catch (e) {
+      throw NetworkException.timeout(
+        technicalDetails: 'connect $subpath: $e',
+      );
+    } on http.ClientException catch (e) {
+      throw NetworkException(
+        technicalDetails: 'connect $subpath: ${e.message}',
+      );
+    } on HandshakeException catch (e) {
+      throw NetworkException(
+        technicalDetails: 'connect $subpath TLS: ${e.message}',
+      );
+    }
+  }
+
+  T _handleResponse(http.Response response) {
+    final status = response.statusCode;
+    final bodyText = _safeBody(response);
+
+    if (status == 503) {
+      final retryAfter = _parseRetryAfter(bodyText);
+      throw RmvRateLimitedException(
+        retryAfter: retryAfter,
+        technicalDetails: 'connect $subpath HTTP 503: $bodyText',
+      );
+    }
+    if (status == 502) {
+      final code = _parseUpstreamErrorCode(bodyText);
+      throw RmvUpstreamException(
+        errorCode: code,
+        technicalDetails: 'connect $subpath HTTP 502: $bodyText',
+      );
+    }
+    if (status > 299) {
+      throw ServerException(
+        statusCode: status,
+        technicalDetails: 'connect $subpath HTTP $status: $bodyText',
+      );
+    }
+
+    try {
+      return assemble(bodyText);
+    } catch (e, st) {
+      final preview = bodyText.length > 1024
+          ? '${bodyText.substring(0, 1024)}…'
+          : bodyText;
+      log(
+        'connect $subpath assemble failed: $e\nbody: $preview',
+        stackTrace: st,
+      );
+      throw ParseException(
+        technicalDetails: 'connect $subpath assemble: $e',
+      );
+    }
+  }
+
+  String _safeBody(http.Response response) {
+    try {
+      return utf8.decode(response.bodyBytes);
+    } catch (_) {
+      return response.body;
+    }
+  }
+
+  /// Body format from `RmvController.wrap`: `upstream_rate_limited|retryAfter=60`.
+  Duration _parseRetryAfter(String body) {
+    final match = RegExp(r'retryAfter=(\d+)').firstMatch(body);
+    final seconds = match == null ? 60 : int.tryParse(match.group(1)!) ?? 60;
+    return Duration(seconds: seconds);
+  }
+
+  /// Body format: `upstream_error|H390` — the segment after the pipe is the
+  /// RMV/HaFAS error code.
+  String? _parseUpstreamErrorCode(String body) {
+    final idx = body.indexOf('|');
+    if (idx < 0 || idx >= body.length - 1) return null;
+    return body.substring(idx + 1).trim();
+  }
+
+  Map<String, String>? _normaliseQuery(Map<String, String>? raw) {
+    if (raw == null) return null;
+    final cleaned = <String, String>{};
+    raw.forEach((key, value) {
+      if (value.isNotEmpty) cleaned[key] = value;
+    });
+    return cleaned.isEmpty ? null : cleaned;
+  }
+}

lib/api/connect/connect_auth_store.dart

@@ -0,0 +1,109 @@
+import 'dart:async';
+import 'dart:developer';
+
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
+
+import '../../model/account_data.dart';
+import 'auth/login/login.dart';
+import 'auth/login/login_request.dart';
+import 'auth/login/login_response.dart';
+import 'errors/connect_exception.dart';
+
+/// Holds the Bearer token issued by `POST /auth/login` so that subsequent
+/// RMV calls can attach it without prompting the user. Uses the LDAP
+/// credentials already kept in [AccountData], so this is transparent to the
+/// user — no extra login UI.
+class ConnectAuthStore {
+  static const _tokenKey = 'connect_bearer_token';
+  static const _expiresAtKey = 'connect_token_expires_at';
+  static const _tokenName = 'MarianumMobile App';
+  static const _expiryGuard = Duration(minutes: 1);
+
+  static final ConnectAuthStore _instance = ConnectAuthStore._();
+  factory ConnectAuthStore() => _instance;
+  static ConnectAuthStore get instance => _instance;
+  ConnectAuthStore._();
+
+  final FlutterSecureStorage _storage = const FlutterSecureStorage();
+
+  String? _token;
+  DateTime? _expiresAt;
+  bool _hydrated = false;
+  Future<String>? _inflightLogin;
+
+  Future<void> _hydrate() async {
+    if (_hydrated) return;
+    _token = await _storage.read(key: _tokenKey);
+    final rawExp = await _storage.read(key: _expiresAtKey);
+    _expiresAt = rawExp == null ? null : DateTime.tryParse(rawExp);
+    _hydrated = true;
+  }
+
+  bool _isUsable() {
+    if (_token == null || _token!.isEmpty) return false;
+    final exp = _expiresAt;
+    if (exp == null) return true;
+    return DateTime.now().add(_expiryGuard).isBefore(exp);
+  }
+
+  /// Returns a usable bearer token, logging in if necessary. Concurrent
+  /// callers share the same in-flight login future so a single 401 doesn't
+  /// trigger N parallel logins.
+  Future<String> getToken({bool forceRefresh = false}) async {
+    await _hydrate();
+    if (!forceRefresh && _isUsable()) return _token!;
+    return _inflightLogin ??= _login().whenComplete(() {
+      _inflightLogin = null;
+    });
+  }
+
+  Future<String> _login() async {
+    if (!AccountData().isPopulated()) {
+      throw ConnectException.notAuthenticated();
+    }
+    final username = AccountData().getUsername();
+    final password = AccountData().getPassword();
+    final LoginResponse response;
+    try {
+      response = await Login(
+        LoginRequest(
+          username: username,
+          password: password,
+          tokenName: _tokenName,
+        ),
+      ).run();
+    } on ConnectException {
+      rethrow;
+    } catch (e, st) {
+      log('connect login threw: $e', stackTrace: st);
+      throw ConnectException(
+        userMessage:
+            'Anmeldung am Connect-Server fehlgeschlagen. Bitte später erneut versuchen.',
+        technicalDetails: 'connect login failed: $e',
+      );
+    }
+    _token = response.token;
+    _expiresAt = response.expiresAt;
+    await _storage.write(key: _tokenKey, value: response.token);
+    if (response.expiresAt != null) {
+      await _storage.write(
+        key: _expiresAtKey,
+        value: response.expiresAt!.toIso8601String(),
+      );
+    } else {
+      await _storage.delete(key: _expiresAtKey);
+    }
+    return response.token;
+  }
+
+  Future<void> invalidate() async {
+    _token = null;
+    _expiresAt = null;
+    await _storage.delete(key: _tokenKey);
+    await _storage.delete(key: _expiresAtKey);
+  }
+
+  /// Same as [invalidate] — separate method to make logout call-sites read
+  /// clearly.
+  Future<void> clear() => invalidate();
+}

lib/api/connect/connect_endpoint.dart

@@ -0,0 +1,12 @@
+/// Base URL for the MarianumConnect backend. Hardcoded against the test
+/// instance for now; once the production URL is finalised this should move
+/// into `EndpointData` alongside webuntis/nextcloud.
+class ConnectEndpoint {
+  ConnectEndpoint._();
+
+  static const String _baseUrl = 'http://muelleel.ddns.net:8080';
+  static const String _apiPrefix = '/api/mobile/v1';
+
+  static Uri resolve(String subpath) =>
+      Uri.parse('$_baseUrl$_apiPrefix/${subpath.startsWith('/') ? subpath.substring(1) : subpath}');
+}

lib/api/connect/errors/connect_exception.dart

@@ -0,0 +1,25 @@
+import '../../errors/app_exception.dart';
+
+class ConnectException extends AppException {
+  const ConnectException({
+    super.userMessage =
+        'Verbindung zum Marianum-Connect-Server fehlgeschlagen.',
+    super.technicalDetails,
+    super.allowRetry,
+  });
+
+  factory ConnectException.authFailed({String? technicalDetails}) =>
+      ConnectException(
+        userMessage:
+            'Anmeldung am Connect-Server fehlgeschlagen. Bitte prüfe deine Anmeldedaten.',
+        technicalDetails: technicalDetails,
+        allowRetry: false,
+      );
+
+  factory ConnectException.notAuthenticated() => const ConnectException(
+    userMessage:
+        'Für diese Funktion ist eine Anmeldung am Connect-Server nötig.',
+    technicalDetails: 'AccountData missing while trying to log in to connect',
+    allowRetry: false,
+  );
+}

lib/api/connect/errors/rmv_rate_limited_exception.dart

@@ -0,0 +1,12 @@
+import '../../errors/app_exception.dart';
+
+class RmvRateLimitedException extends AppException {
+  final Duration retryAfter;
+
+  RmvRateLimitedException({required this.retryAfter, super.technicalDetails})
+    : super(
+        userMessage:
+            'Die Fahrplanauskunft ist gerade überlastet. Bitte in ${retryAfter.inSeconds} Sekunden erneut versuchen.',
+        allowRetry: true,
+      );
+}

lib/api/connect/errors/rmv_upstream_exception.dart

@@ -0,0 +1,28 @@
+import '../../errors/app_exception.dart';
+
+class RmvUpstreamException extends AppException {
+  final String? errorCode;
+
+  RmvUpstreamException({required this.errorCode, super.technicalDetails})
+    : super(userMessage: _mapMessage(errorCode), allowRetry: true);
+
+  static String _mapMessage(String? code) {
+    switch (code) {
+      case 'H390':
+        return 'Keine Verbindung gefunden.';
+      case 'H891':
+        return 'Eine der angegebenen Stationen ist ungültig.';
+      case 'H895':
+        return 'Start- und Zielhaltestelle sind identisch.';
+      case 'H900':
+      case 'H892':
+        return 'Die Fahrplanauskunft ist gerade nicht verfügbar.';
+      case 'H910':
+        return 'Die angegebene Zeit liegt außerhalb des Fahrplans.';
+      case null:
+        return 'Die Fahrplanauskunft konnte keine Antwort liefern.';
+      default:
+        return 'Die Fahrplanauskunft hat einen Fehler gemeldet ($code).';
+    }
+  }
+}

lib/api/connect/rmv/iso_duration.dart

@@ -0,0 +1,36 @@
+/// ISO-8601 duration (`PT1H30M5S`) ↔ Dart `Duration`. Backend serialises
+/// `java.time.Duration` in this format; Dart has no builtin parser.
+class IsoDuration {
+  IsoDuration._();
+
+  static final RegExp _pattern = RegExp(
+    r'^P(?:T(?:(\d+)H)?(?:(\d+)M)?(?:(\d+(?:\.\d+)?)S)?)?$',
+  );
+
+  static Duration? fromJson(String? iso) {
+    if (iso == null || iso.isEmpty) return null;
+    final match = _pattern.firstMatch(iso);
+    if (match == null) return null;
+    final hours = int.parse(match.group(1) ?? '0');
+    final minutes = int.parse(match.group(2) ?? '0');
+    final secondsRaw = match.group(3) ?? '0';
+    final secondsValue = double.parse(secondsRaw);
+    return Duration(
+      hours: hours,
+      minutes: minutes,
+      milliseconds: (secondsValue * 1000).round(),
+    );
+  }
+
+  static String? toJson(Duration? d) {
+    if (d == null) return null;
+    final hours = d.inHours;
+    final minutes = d.inMinutes.remainder(60);
+    final seconds = d.inSeconds.remainder(60);
+    final buf = StringBuffer('PT');
+    if (hours > 0) buf.write('${hours}H');
+    if (minutes > 0) buf.write('${minutes}M');
+    if (seconds > 0 || (hours == 0 && minutes == 0)) buf.write('${seconds}S');
+    return buf.toString();
+  }
+}

lib/api/connect/rmv/queries/_query_format.dart

@@ -0,0 +1,13 @@
+/// Formats a [DateTime] as `2026-05-19T14:30:00` for Java's
+/// `LocalDateTime` parser (no timezone, no millis).
+String formatLocalDateTime(DateTime dt) {
+  String two(int v) => v.toString().padLeft(2, '0');
+  return '${dt.year}-${two(dt.month)}-${two(dt.day)}T'
+      '${two(dt.hour)}:${two(dt.minute)}:${two(dt.second)}';
+}
+
+/// Formats a [DateTime] as `2026-05-19` for Java's `LocalDate` parser.
+String formatLocalDate(DateTime dt) {
+  String two(int v) => v.toString().padLeft(2, '0');
+  return '${dt.year}-${two(dt.month)}-${two(dt.day)}';
+}

lib/api/connect/rmv/queries/get_arrivals.dart

@@ -0,0 +1,32 @@
+import 'dart:convert';
+
+import '../../connect_api.dart';
+import '../rmv_models.dart';
+import '_query_format.dart';
+
+class GetArrivals extends ConnectApi<List<Arrival>> {
+  final String stopId;
+  final DateTime? when;
+  final int durationMinutes;
+  final int maxJourneys;
+
+  GetArrivals({
+    required this.stopId,
+    this.when,
+    this.durationMinutes = 60,
+    this.maxJourneys = -1,
+  }) : super('rmv/arrivals');
+
+  @override
+  Map<String, String>? get queryParameters => {
+    'stopId': stopId,
+    if (when != null) 'when': formatLocalDateTime(when!),
+    'duration': durationMinutes.toString(),
+    'max': maxJourneys.toString(),
+  };
+
+  @override
+  List<Arrival> assemble(String raw) => (jsonDecode(raw) as List)
+      .map((e) => Arrival.fromJson(e as Map<String, dynamic>))
+      .toList(growable: false);
+}

lib/api/connect/rmv/queries/get_departures.dart

@@ -0,0 +1,32 @@
+import 'dart:convert';
+
+import '../../connect_api.dart';
+import '../rmv_models.dart';
+import '_query_format.dart';
+
+class GetDepartures extends ConnectApi<List<Departure>> {
+  final String stopId;
+  final DateTime? when;
+  final int durationMinutes;
+  final int maxJourneys;
+
+  GetDepartures({
+    required this.stopId,
+    this.when,
+    this.durationMinutes = 60,
+    this.maxJourneys = -1,
+  }) : super('rmv/departures');
+
+  @override
+  Map<String, String>? get queryParameters => {
+    'stopId': stopId,
+    if (when != null) 'when': formatLocalDateTime(when!),
+    'duration': durationMinutes.toString(),
+    'max': maxJourneys.toString(),
+  };
+
+  @override
+  List<Departure> assemble(String raw) => (jsonDecode(raw) as List)
+      .map((e) => Departure.fromJson(e as Map<String, dynamic>))
+      .toList(growable: false);
+}

lib/api/connect/rmv/queries/get_disruptions.dart

@@ -0,0 +1,20 @@
+import 'dart:convert';
+
+import '../../connect_api.dart';
+import '../rmv_models.dart';
+import '_query_format.dart';
+
+class GetDisruptions extends ConnectApi<List<HimMessage>> {
+  final DateTime? when;
+
+  GetDisruptions({this.when}) : super('rmv/disruptions');
+
+  @override
+  Map<String, String>? get queryParameters =>
+      when == null ? null : {'when': formatLocalDateTime(when!)};
+
+  @override
+  List<HimMessage> assemble(String raw) => (jsonDecode(raw) as List)
+      .map((e) => HimMessage.fromJson(e as Map<String, dynamic>))
+      .toList(growable: false);
+}

lib/api/connect/rmv/queries/get_journey_detail.dart

@@ -0,0 +1,23 @@
+import 'dart:convert';
+
+import '../../connect_api.dart';
+import '../rmv_models.dart';
+import '_query_format.dart';
+
+class GetJourneyDetail extends ConnectApi<JourneyDetail> {
+  final String journeyRef;
+  final DateTime? date;
+
+  GetJourneyDetail({required this.journeyRef, this.date})
+    : super('rmv/journey');
+
+  @override
+  Map<String, String>? get queryParameters => {
+    'ref': journeyRef,
+    if (date != null) 'date': formatLocalDate(date!),
+  };
+
+  @override
+  JourneyDetail assemble(String raw) =>
+      JourneyDetail.fromJson(jsonDecode(raw) as Map<String, dynamic>);
+}

lib/api/connect/rmv/queries/more_trips.dart

@@ -0,0 +1,17 @@
+import 'dart:convert';
+
+import '../../connect_api.dart';
+import '../rmv_models.dart';
+
+class MoreTrips extends ConnectApi<TripSearchResult> {
+  final String ctx;
+
+  MoreTrips({required this.ctx}) : super('rmv/trips/more');
+
+  @override
+  Map<String, String>? get queryParameters => {'ctx': ctx};
+
+  @override
+  TripSearchResult assemble(String raw) =>
+      TripSearchResult.fromJson(jsonDecode(raw) as Map<String, dynamic>);
+}

lib/api/connect/rmv/queries/nearby_stops.dart

@@ -0,0 +1,31 @@
+import 'dart:convert';
+
+import '../../connect_api.dart';
+import '../rmv_models.dart';
+
+class NearbyStops extends ConnectApi<List<StopLocation>> {
+  final double lat;
+  final double lon;
+  final int radiusMeters;
+  final int max;
+
+  NearbyStops({
+    required this.lat,
+    required this.lon,
+    this.radiusMeters = 1000,
+    this.max = 20,
+  }) : super('rmv/stops/nearby');
+
+  @override
+  Map<String, String>? get queryParameters => {
+    'lat': lat.toString(),
+    'lon': lon.toString(),
+    'radius': radiusMeters.toString(),
+    'max': max.toString(),
+  };
+
+  @override
+  List<StopLocation> assemble(String raw) => (jsonDecode(raw) as List)
+      .map((e) => StopLocation.fromJson(e as Map<String, dynamic>))
+      .toList(growable: false);
+}

lib/api/connect/rmv/queries/search_stops.dart

@@ -0,0 +1,22 @@
+import 'dart:convert';
+
+import '../../connect_api.dart';
+import '../rmv_models.dart';
+
+class SearchStops extends ConnectApi<List<StopLocation>> {
+  final String query;
+  final int max;
+
+  SearchStops({required this.query, this.max = 10}) : super('rmv/stops');
+
+  @override
+  Map<String, String>? get queryParameters => {
+    'q': query,
+    'max': max.toString(),
+  };
+
+  @override
+  List<StopLocation> assemble(String raw) => (jsonDecode(raw) as List)
+      .map((e) => StopLocation.fromJson(e as Map<String, dynamic>))
+      .toList(growable: false);
+}

lib/api/connect/rmv/queries/search_trips.dart

@@ -0,0 +1,31 @@
+import 'dart:convert';
+
+import '../../connect_api.dart';
+import '../rmv_models.dart';
+import '_query_format.dart';
+
+class SearchTrips extends ConnectApi<TripSearchResult> {
+  final String fromStopId;
+  final String toStopId;
+  final DateTime? when;
+  final bool searchByArrival;
+
+  SearchTrips({
+    required this.fromStopId,
+    required this.toStopId,
+    this.when,
+    this.searchByArrival = false,
+  }) : super('rmv/trips');
+
+  @override
+  Map<String, String>? get queryParameters => {
+    'from': fromStopId,
+    'to': toStopId,
+    if (when != null) 'when': formatLocalDateTime(when!),
+    'searchByArrival': searchByArrival.toString(),
+  };
+
+  @override
+  TripSearchResult assemble(String raw) =>
+      TripSearchResult.fromJson(jsonDecode(raw) as Map<String, dynamic>);
+}

lib/api/connect/rmv/rmv_models.dart

@@ -0,0 +1,243 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+import 'iso_duration.dart';
+
+part 'rmv_models.freezed.dart';
+part 'rmv_models.g.dart';
+
+@freezed
+abstract class Product with _$Product {
+  const factory Product({
+    String? name,
+    String? line,
+    String? displayNumber,
+    String? category,
+    String? categoryCode,
+    String? operator,
+  }) = _Product;
+
+  factory Product.fromJson(Map<String, Object?> json) =>
+      _$ProductFromJson(json);
+}
+
+@freezed
+abstract class StopLocation with _$StopLocation {
+  const factory StopLocation({
+    required String id,
+    String? extId,
+    required String name,
+    String? description,
+    double? lat,
+    double? lon,
+    int? products,
+    int? distanceMeters,
+  }) = _StopLocation;
+
+  factory StopLocation.fromJson(Map<String, Object?> json) =>
+      _$StopLocationFromJson(json);
+}
+
+@freezed
+abstract class Departure with _$Departure {
+  const factory Departure({
+    required String stopId,
+    String? stopExtId,
+    required String stopName,
+    required String name,
+    required String direction,
+    String? directionFlag,
+    required DateTime scheduledTime,
+    DateTime? realTime,
+    int? delayMinutes,
+    String? track,
+    String? realTrack,
+    @Default(false) bool cancelled,
+    @Default(true) bool reachable,
+    Product? product,
+    String? journeyRef,
+  }) = _Departure;
+
+  factory Departure.fromJson(Map<String, Object?> json) =>
+      _$DepartureFromJson(json);
+}
+
+@freezed
+abstract class Arrival with _$Arrival {
+  const factory Arrival({
+    required String stopId,
+    String? stopExtId,
+    required String stopName,
+    required String name,
+    required String origin,
+    required DateTime scheduledTime,
+    DateTime? realTime,
+    int? delayMinutes,
+    String? track,
+    String? realTrack,
+    @Default(false) bool cancelled,
+    Product? product,
+    String? journeyRef,
+  }) = _Arrival;
+
+  factory Arrival.fromJson(Map<String, Object?> json) =>
+      _$ArrivalFromJson(json);
+}
+
+@freezed
+abstract class TripEndpoint with _$TripEndpoint {
+  const factory TripEndpoint({
+    required String stopId,
+    String? stopExtId,
+    required String name,
+    double? lat,
+    double? lon,
+    required DateTime scheduledTime,
+    DateTime? realTime,
+    int? delayMinutes,
+    String? track,
+    String? realTrack,
+    String? type,
+  }) = _TripEndpoint;
+
+  factory TripEndpoint.fromJson(Map<String, Object?> json) =>
+      _$TripEndpointFromJson(json);
+}
+
+@freezed
+abstract class JourneyStop with _$JourneyStop {
+  const factory JourneyStop({
+    required String id,
+    String? extId,
+    required String name,
+    double? lat,
+    double? lon,
+    int? routeIdx,
+    DateTime? scheduledArrival,
+    DateTime? scheduledDeparture,
+    DateTime? realArrival,
+    DateTime? realDeparture,
+    String? arrTrack,
+    String? depTrack,
+    String? realArrTrack,
+    String? realDepTrack,
+    @Default(false) bool cancelled,
+    @Default(false) bool cancelledArrival,
+    @Default(false) bool cancelledDeparture,
+  }) = _JourneyStop;
+
+  factory JourneyStop.fromJson(Map<String, Object?> json) =>
+      _$JourneyStopFromJson(json);
+}
+
+enum LegType {
+  @JsonValue('JOURNEY')
+  journey,
+  @JsonValue('WALK')
+  walk,
+  @JsonValue('TRANSFER')
+  transfer,
+  @JsonValue('BIKE')
+  bike,
+  @JsonValue('CAR')
+  car,
+  @JsonValue('PARK_RIDE')
+  parkRide,
+  @JsonValue('TAXI')
+  taxi,
+  @JsonValue('CHECK_IN')
+  checkIn,
+  @JsonValue('CHECK_OUT')
+  checkOut,
+  @JsonValue('DUMMY')
+  dummy,
+  @JsonValue('UNKNOWN')
+  unknown,
+}
+
+@freezed
+abstract class Leg with _$Leg {
+  const factory Leg({
+    required String id,
+    required int idx,
+    @Default(LegType.unknown) LegType type,
+    String? name,
+    String? category,
+    String? number,
+    String? direction,
+    required TripEndpoint origin,
+    required TripEndpoint destination,
+    @JsonKey(fromJson: IsoDuration.fromJson, toJson: IsoDuration.toJson)
+    Duration? duration,
+    @Default(false) bool cancelled,
+    @Default(false) bool partCancelled,
+    @Default(true) bool reachable,
+    Product? product,
+    String? journeyRef,
+    @Default(<JourneyStop>[]) List<JourneyStop> stops,
+  }) = _Leg;
+
+  factory Leg.fromJson(Map<String, Object?> json) => _$LegFromJson(json);
+}
+
+@freezed
+abstract class Trip with _$Trip {
+  const factory Trip({
+    String? tripId,
+    String? ctxRecon,
+    String? checksum,
+    @JsonKey(fromJson: IsoDuration.fromJson, toJson: IsoDuration.toJson)
+    Duration? duration,
+    @JsonKey(fromJson: IsoDuration.fromJson, toJson: IsoDuration.toJson)
+    Duration? realDuration,
+    int? transferCount,
+    @Default(<Leg>[]) List<Leg> legs,
+  }) = _Trip;
+
+  factory Trip.fromJson(Map<String, Object?> json) => _$TripFromJson(json);
+}
+
+@freezed
+abstract class TripSearchResult with _$TripSearchResult {
+  const factory TripSearchResult({
+    @Default(<Trip>[]) List<Trip> trips,
+    String? scrollContextLater,
+    String? scrollContextEarlier,
+  }) = _TripSearchResult;
+
+  factory TripSearchResult.fromJson(Map<String, Object?> json) =>
+      _$TripSearchResultFromJson(json);
+}
+
+@freezed
+abstract class JourneyDetail with _$JourneyDetail {
+  const factory JourneyDetail({
+    String? journeyId,
+    Product? product,
+    String? direction,
+    @Default(<JourneyStop>[]) List<JourneyStop> stops,
+  }) = _JourneyDetail;
+
+  factory JourneyDetail.fromJson(Map<String, Object?> json) =>
+      _$JourneyDetailFromJson(json);
+}
+
+@freezed
+abstract class HimMessage with _$HimMessage {
+  const factory HimMessage({
+    required String id,
+    String? externalId,
+    String? head,
+    String? lead,
+    String? text,
+    String? category,
+    String? company,
+    int? priority,
+    int? products,
+    DateTime? startValidity,
+    DateTime? endValidity,
+    DateTime? modified,
+  }) = _HimMessage;
+
+  factory HimMessage.fromJson(Map<String, Object?> json) =>
+      _$HimMessageFromJson(json);
+}

lib/api/connect/rmv/rmv_models.g.dart

@@ -0,0 +1,368 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'rmv_models.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+_Product _$ProductFromJson(Map<String, dynamic> json) => _Product(
+  name: json['name'] as String?,
+  line: json['line'] as String?,
+  displayNumber: json['displayNumber'] as String?,
+  category: json['category'] as String?,
+  categoryCode: json['categoryCode'] as String?,
+  operator: json['operator'] as String?,
+);
+
+Map<String, dynamic> _$ProductToJson(_Product instance) => <String, dynamic>{
+  'name': instance.name,
+  'line': instance.line,
+  'displayNumber': instance.displayNumber,
+  'category': instance.category,
+  'categoryCode': instance.categoryCode,
+  'operator': instance.operator,
+};
+
+_StopLocation _$StopLocationFromJson(Map<String, dynamic> json) =>
+    _StopLocation(
+      id: json['id'] as String,
+      extId: json['extId'] as String?,
+      name: json['name'] as String,
+      description: json['description'] as String?,
+      lat: (json['lat'] as num?)?.toDouble(),
+      lon: (json['lon'] as num?)?.toDouble(),
+      products: (json['products'] as num?)?.toInt(),
+      distanceMeters: (json['distanceMeters'] as num?)?.toInt(),
+    );
+
+Map<String, dynamic> _$StopLocationToJson(_StopLocation instance) =>
+    <String, dynamic>{
+      'id': instance.id,
+      'extId': instance.extId,
+      'name': instance.name,
+      'description': instance.description,
+      'lat': instance.lat,
+      'lon': instance.lon,
+      'products': instance.products,
+      'distanceMeters': instance.distanceMeters,
+    };
+
+_Departure _$DepartureFromJson(Map<String, dynamic> json) => _Departure(
+  stopId: json['stopId'] as String,
+  stopExtId: json['stopExtId'] as String?,
+  stopName: json['stopName'] as String,
+  name: json['name'] as String,
+  direction: json['direction'] as String,
+  directionFlag: json['directionFlag'] as String?,
+  scheduledTime: DateTime.parse(json['scheduledTime'] as String),
+  realTime: json['realTime'] == null
+      ? null
+      : DateTime.parse(json['realTime'] as String),
+  delayMinutes: (json['delayMinutes'] as num?)?.toInt(),
+  track: json['track'] as String?,
+  realTrack: json['realTrack'] as String?,
+  cancelled: json['cancelled'] as bool? ?? false,
+  reachable: json['reachable'] as bool? ?? true,
+  product: json['product'] == null
+      ? null
+      : Product.fromJson(json['product'] as Map<String, dynamic>),
+  journeyRef: json['journeyRef'] as String?,
+);
+
+Map<String, dynamic> _$DepartureToJson(_Departure instance) =>
+    <String, dynamic>{
+      'stopId': instance.stopId,
+      'stopExtId': instance.stopExtId,
+      'stopName': instance.stopName,
+      'name': instance.name,
+      'direction': instance.direction,
+      'directionFlag': instance.directionFlag,
+      'scheduledTime': instance.scheduledTime.toIso8601String(),
+      'realTime': instance.realTime?.toIso8601String(),
+      'delayMinutes': instance.delayMinutes,
+      'track': instance.track,
+      'realTrack': instance.realTrack,
+      'cancelled': instance.cancelled,
+      'reachable': instance.reachable,
+      'product': instance.product,
+      'journeyRef': instance.journeyRef,
+    };
+
+_Arrival _$ArrivalFromJson(Map<String, dynamic> json) => _Arrival(
+  stopId: json['stopId'] as String,
+  stopExtId: json['stopExtId'] as String?,
+  stopName: json['stopName'] as String,
+  name: json['name'] as String,
+  origin: json['origin'] as String,
+  scheduledTime: DateTime.parse(json['scheduledTime'] as String),
+  realTime: json['realTime'] == null
+      ? null
+      : DateTime.parse(json['realTime'] as String),
+  delayMinutes: (json['delayMinutes'] as num?)?.toInt(),
+  track: json['track'] as String?,
+  realTrack: json['realTrack'] as String?,
+  cancelled: json['cancelled'] as bool? ?? false,
+  product: json['product'] == null
+      ? null
+      : Product.fromJson(json['product'] as Map<String, dynamic>),
+  journeyRef: json['journeyRef'] as String?,
+);
+
+Map<String, dynamic> _$ArrivalToJson(_Arrival instance) => <String, dynamic>{
+  'stopId': instance.stopId,
+  'stopExtId': instance.stopExtId,
+  'stopName': instance.stopName,
+  'name': instance.name,
+  'origin': instance.origin,
+  'scheduledTime': instance.scheduledTime.toIso8601String(),
+  'realTime': instance.realTime?.toIso8601String(),
+  'delayMinutes': instance.delayMinutes,
+  'track': instance.track,
+  'realTrack': instance.realTrack,
+  'cancelled': instance.cancelled,
+  'product': instance.product,
+  'journeyRef': instance.journeyRef,
+};
+
+_TripEndpoint _$TripEndpointFromJson(Map<String, dynamic> json) =>
+    _TripEndpoint(
+      stopId: json['stopId'] as String,
+      stopExtId: json['stopExtId'] as String?,
+      name: json['name'] as String,
+      lat: (json['lat'] as num?)?.toDouble(),
+      lon: (json['lon'] as num?)?.toDouble(),
+      scheduledTime: DateTime.parse(json['scheduledTime'] as String),
+      realTime: json['realTime'] == null
+          ? null
+          : DateTime.parse(json['realTime'] as String),
+      delayMinutes: (json['delayMinutes'] as num?)?.toInt(),
+      track: json['track'] as String?,
+      realTrack: json['realTrack'] as String?,
+      type: json['type'] as String?,
+    );
+
+Map<String, dynamic> _$TripEndpointToJson(_TripEndpoint instance) =>
+    <String, dynamic>{
+      'stopId': instance.stopId,
+      'stopExtId': instance.stopExtId,
+      'name': instance.name,
+      'lat': instance.lat,
+      'lon': instance.lon,
+      'scheduledTime': instance.scheduledTime.toIso8601String(),
+      'realTime': instance.realTime?.toIso8601String(),
+      'delayMinutes': instance.delayMinutes,
+      'track': instance.track,
+      'realTrack': instance.realTrack,
+      'type': instance.type,
+    };
+
+_JourneyStop _$JourneyStopFromJson(Map<String, dynamic> json) => _JourneyStop(
+  id: json['id'] as String,
+  extId: json['extId'] as String?,
+  name: json['name'] as String,
+  lat: (json['lat'] as num?)?.toDouble(),
+  lon: (json['lon'] as num?)?.toDouble(),
+  routeIdx: (json['routeIdx'] as num?)?.toInt(),
+  scheduledArrival: json['scheduledArrival'] == null
+      ? null
+      : DateTime.parse(json['scheduledArrival'] as String),
+  scheduledDeparture: json['scheduledDeparture'] == null
+      ? null
+      : DateTime.parse(json['scheduledDeparture'] as String),
+  realArrival: json['realArrival'] == null
+      ? null
+      : DateTime.parse(json['realArrival'] as String),
+  realDeparture: json['realDeparture'] == null
+      ? null
+      : DateTime.parse(json['realDeparture'] as String),
+  arrTrack: json['arrTrack'] as String?,
+  depTrack: json['depTrack'] as String?,
+  realArrTrack: json['realArrTrack'] as String?,
+  realDepTrack: json['realDepTrack'] as String?,
+  cancelled: json['cancelled'] as bool? ?? false,
+  cancelledArrival: json['cancelledArrival'] as bool? ?? false,
+  cancelledDeparture: json['cancelledDeparture'] as bool? ?? false,
+);
+
+Map<String, dynamic> _$JourneyStopToJson(_JourneyStop instance) =>
+    <String, dynamic>{
+      'id': instance.id,
+      'extId': instance.extId,
+      'name': instance.name,
+      'lat': instance.lat,
+      'lon': instance.lon,
+      'routeIdx': instance.routeIdx,
+      'scheduledArrival': instance.scheduledArrival?.toIso8601String(),
+      'scheduledDeparture': instance.scheduledDeparture?.toIso8601String(),
+      'realArrival': instance.realArrival?.toIso8601String(),
+      'realDeparture': instance.realDeparture?.toIso8601String(),
+      'arrTrack': instance.arrTrack,
+      'depTrack': instance.depTrack,
+      'realArrTrack': instance.realArrTrack,
+      'realDepTrack': instance.realDepTrack,
+      'cancelled': instance.cancelled,
+      'cancelledArrival': instance.cancelledArrival,
+      'cancelledDeparture': instance.cancelledDeparture,
+    };
+
+_Leg _$LegFromJson(Map<String, dynamic> json) => _Leg(
+  id: json['id'] as String,
+  idx: (json['idx'] as num).toInt(),
+  type: $enumDecodeNullable(_$LegTypeEnumMap, json['type']) ?? LegType.unknown,
+  name: json['name'] as String?,
+  category: json['category'] as String?,
+  number: json['number'] as String?,
+  direction: json['direction'] as String?,
+  origin: TripEndpoint.fromJson(json['origin'] as Map<String, dynamic>),
+  destination: TripEndpoint.fromJson(
+    json['destination'] as Map<String, dynamic>,
+  ),
+  duration: IsoDuration.fromJson(json['duration'] as String?),
+  cancelled: json['cancelled'] as bool? ?? false,
+  partCancelled: json['partCancelled'] as bool? ?? false,
+  reachable: json['reachable'] as bool? ?? true,
+  product: json['product'] == null
+      ? null
+      : Product.fromJson(json['product'] as Map<String, dynamic>),
+  journeyRef: json['journeyRef'] as String?,
+  stops:
+      (json['stops'] as List<dynamic>?)
+          ?.map((e) => JourneyStop.fromJson(e as Map<String, dynamic>))
+          .toList() ??
+      const <JourneyStop>[],
+);
+
+Map<String, dynamic> _$LegToJson(_Leg instance) => <String, dynamic>{
+  'id': instance.id,
+  'idx': instance.idx,
+  'type': _$LegTypeEnumMap[instance.type]!,
+  'name': instance.name,
+  'category': instance.category,
+  'number': instance.number,
+  'direction': instance.direction,
+  'origin': instance.origin,
+  'destination': instance.destination,
+  'duration': IsoDuration.toJson(instance.duration),
+  'cancelled': instance.cancelled,
+  'partCancelled': instance.partCancelled,
+  'reachable': instance.reachable,
+  'product': instance.product,
+  'journeyRef': instance.journeyRef,
+  'stops': instance.stops,
+};
+
+const _$LegTypeEnumMap = {
+  LegType.journey: 'JOURNEY',
+  LegType.walk: 'WALK',
+  LegType.transfer: 'TRANSFER',
+  LegType.bike: 'BIKE',
+  LegType.car: 'CAR',
+  LegType.parkRide: 'PARK_RIDE',
+  LegType.taxi: 'TAXI',
+  LegType.checkIn: 'CHECK_IN',
+  LegType.checkOut: 'CHECK_OUT',
+  LegType.dummy: 'DUMMY',
+  LegType.unknown: 'UNKNOWN',
+};
+
+_Trip _$TripFromJson(Map<String, dynamic> json) => _Trip(
+  tripId: json['tripId'] as String?,
+  ctxRecon: json['ctxRecon'] as String?,
+  checksum: json['checksum'] as String?,
+  duration: IsoDuration.fromJson(json['duration'] as String?),
+  realDuration: IsoDuration.fromJson(json['realDuration'] as String?),
+  transferCount: (json['transferCount'] as num?)?.toInt(),
+  legs:
+      (json['legs'] as List<dynamic>?)
+          ?.map((e) => Leg.fromJson(e as Map<String, dynamic>))
+          .toList() ??
+      const <Leg>[],
+);
+
+Map<String, dynamic> _$TripToJson(_Trip instance) => <String, dynamic>{
+  'tripId': instance.tripId,
+  'ctxRecon': instance.ctxRecon,
+  'checksum': instance.checksum,
+  'duration': IsoDuration.toJson(instance.duration),
+  'realDuration': IsoDuration.toJson(instance.realDuration),
+  'transferCount': instance.transferCount,
+  'legs': instance.legs,
+};
+
+_TripSearchResult _$TripSearchResultFromJson(Map<String, dynamic> json) =>
+    _TripSearchResult(
+      trips:
+          (json['trips'] as List<dynamic>?)
+              ?.map((e) => Trip.fromJson(e as Map<String, dynamic>))
+              .toList() ??
+          const <Trip>[],
+      scrollContextLater: json['scrollContextLater'] as String?,
+      scrollContextEarlier: json['scrollContextEarlier'] as String?,
+    );
+
+Map<String, dynamic> _$TripSearchResultToJson(_TripSearchResult instance) =>
+    <String, dynamic>{
+      'trips': instance.trips,
+      'scrollContextLater': instance.scrollContextLater,
+      'scrollContextEarlier': instance.scrollContextEarlier,
+    };
+
+_JourneyDetail _$JourneyDetailFromJson(Map<String, dynamic> json) =>
+    _JourneyDetail(
+      journeyId: json['journeyId'] as String?,
+      product: json['product'] == null
+          ? null
+          : Product.fromJson(json['product'] as Map<String, dynamic>),
+      direction: json['direction'] as String?,
+      stops:
+          (json['stops'] as List<dynamic>?)
+              ?.map((e) => JourneyStop.fromJson(e as Map<String, dynamic>))
+              .toList() ??
+          const <JourneyStop>[],
+    );
+
+Map<String, dynamic> _$JourneyDetailToJson(_JourneyDetail instance) =>
+    <String, dynamic>{
+      'journeyId': instance.journeyId,
+      'product': instance.product,
+      'direction': instance.direction,
+      'stops': instance.stops,
+    };
+
+_HimMessage _$HimMessageFromJson(Map<String, dynamic> json) => _HimMessage(
+  id: json['id'] as String,
+  externalId: json['externalId'] as String?,
+  head: json['head'] as String?,
+  lead: json['lead'] as String?,
+  text: json['text'] as String?,
+  category: json['category'] as String?,
+  company: json['company'] as String?,
+  priority: (json['priority'] as num?)?.toInt(),
+  products: (json['products'] as num?)?.toInt(),
+  startValidity: json['startValidity'] == null
+      ? null
+      : DateTime.parse(json['startValidity'] as String),
+  endValidity: json['endValidity'] == null
+      ? null
+      : DateTime.parse(json['endValidity'] as String),
+  modified: json['modified'] == null
+      ? null
+      : DateTime.parse(json['modified'] as String),
+);
+
+Map<String, dynamic> _$HimMessageToJson(_HimMessage instance) =>
+    <String, dynamic>{
+      'id': instance.id,
+      'externalId': instance.externalId,
+      'head': instance.head,
+      'lead': instance.lead,
+      'text': instance.text,
+      'category': instance.category,
+      'company': instance.company,
+      'priority': instance.priority,
+      'products': instance.products,
+      'startValidity': instance.startValidity?.toIso8601String(),
+      'endValidity': instance.endValidity?.toIso8601String(),
+      'modified': instance.modified?.toIso8601String(),
+    };