feat: Add TrueSkill leaderboard tabs

.github/workflows/test.yml

@@ -14,7 +14,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: subosito/flutter-action@v2
         with:
-          flutter-version: '3.10.0'
+          flutter-version: '3.27.1'
           channel: 'stable'
       - run: flutter pub get
       - run: flutter pub run build_runner build --delete-conflicting-outputs

lib/src/constants.dart

@@ -12,6 +12,7 @@ class AppConstants {
   static const String settingsBox = 'settings_box';
   static const String teamHistoryBox = 'team_history_box';
   static const String eventHistoryBox = 'event_history_box';
+  static const String leaderboardBox = 'leaderboard_cache_box';
 
   // RobotEvents API
   static const String robotEventsBaseUrl = 'https://www.robotevents.com/api/v2';

lib/src/models/team_model.dart

@@ -29,7 +29,7 @@ class Team {
   @HiveField(10)
   final double? ccwm;
   @HiveField(11)
-  final Map<String, dynamic>? statiq;
+  final Map? statiq;
   @HiveField(12)
   final String? grade;
 
@@ -50,15 +50,22 @@ class Team {
   });
 
   factory Team.fromJson(Map<String, dynamic> json) {
-    final locationObj = json['location'] as Map<String, dynamic>?;
-    final city = locationObj?['city'] as String?;
-    final region = locationObj?['region'] as String?;
-    final country = locationObj?['country'] as String?;
-    final locationStr = [city, region, country]
-        .where((e) => e != null && e.isNotEmpty)
-        .join(', ');
+    dynamic loc = json['location'];
+    String? locationStr;
+    if (loc is Map) {
+      final city = loc['city'] as String?;
+      final region = loc['region'] as String?;
+      final country = loc['country'] as String?;
+      locationStr = [city, region, country]
+          .where((e) => e != null && e.isNotEmpty)
+          .join(', ');
+    } else if (loc is String) {
+      locationStr = loc;
+    }
 
-    final statiq = json['statiq'] as Map<String, dynamic>?;
+    final statiqRaw = json['statiq'];
+    final statiq =
+        statiqRaw is Map ? Map<String, dynamic>.from(statiqRaw) : null;
     final perf = statiq?['performance'] as num?;
 
     // Robust ID parsing:
@@ -103,7 +110,7 @@ class Team {
     String? location,
     double? trueskill,
     double? ccwm,
-    Map<String, dynamic>? statiq,
+    Map? statiq,
     String? grade,
   }) {
     return Team(

lib/src/repositories/leaderboard_repository.dart

@@ -0,0 +1,84 @@
+import 'package:roboscout_iq/src/models/team_model.dart';
+import 'package:roboscout_iq/src/services/api_client.dart';
+import 'package:roboscout_iq/src/services/local_db_service.dart';
+
+class LeaderboardRepository {
+  final ApiClient _apiClient;
+  final LocalDbService _localDb;
+
+  LeaderboardRepository(this._apiClient, this._localDb);
+
+  Future<List<Map<String, dynamic>>> getGlobalSkills(String gradeLevel,
+      {bool forceRefresh = false}) async {
+    final cacheKey = 'skills_$gradeLevel';
+    final box = _localDb.leaderboardBox;
+
+    if (!forceRefresh && box.containsKey(cacheKey)) {
+      try {
+        final cachedData = box.get(cacheKey);
+        if (cachedData is List) {
+          return cachedData
+              .map((e) => Map<String, dynamic>.from(e as Map))
+              .toList();
+        }
+      } catch (e) {
+        print('Error reading skills cache: $e');
+      }
+    }
+
+    try {
+      final data = await _apiClient.getGlobalSkills(gradeLevel: gradeLevel);
+      await box.put(cacheKey, data);
+      return data;
+    } catch (e) {
+      if (box.containsKey(cacheKey)) {
+        final cachedData = box.get(cacheKey);
+        if (cachedData is List) {
+          return cachedData
+              .map((e) => Map<String, dynamic>.from(e as Map))
+              .toList();
+        }
+      }
+      rethrow;
+    }
+  }
+
+  Future<List<Team>> getGlobalTrueSkillRankings(
+      {bool forceRefresh = false}) async {
+    const cacheKey = 'trueskill_global';
+    final box = _localDb.leaderboardBox;
+
+    if (!forceRefresh && box.containsKey(cacheKey)) {
+      try {
+        final cachedData = box.get(cacheKey);
+        if (cachedData is List) {
+          return _deserializeTeams(cachedData);
+        }
+      } catch (e) {
+        print('Error reading trueskill cache: $e');
+      }
+    }
+
+    try {
+      final teams = await _apiClient.getGlobalTrueSkillRankings();
+      final jsonList = teams.map((t) => t.toJson()).toList();
+      await box.put(cacheKey, jsonList);
+      return teams;
+    } catch (e) {
+      if (box.containsKey(cacheKey)) {
+        final cachedData = box.get(cacheKey) as List;
+        return _deserializeTeams(cachedData);
+      }
+      rethrow;
+    }
+  }
+
+  List<Team> _deserializeTeams(List<dynamic> list) {
+    return list.map((e) {
+      // Hive returns _Map<dynamic, dynamic>, need to cast to Map<String, dynamic>
+      // for Team.fromJson
+      final json = Map<String, dynamic>.from(e as Map);
+      return Team.fromJson(json);
+    }).toList();
+  }
+}

lib/src/services/api_client.dart

@@ -305,6 +305,41 @@ class ApiClient {
     }
   }
 
+  Future<List<Team>> getGlobalTrueSkillRankings(
+      {String gradeLevel = 'Middle School'}) async {
+    // RoboStem API uses a different base URL and key
+    final token = _settings.roboStemApiKey ?? AppConstants.roboStemApiKey;
+    final dio = Dio(BaseOptions(
+      baseUrl: AppConstants.roboStemBaseUrl, // https://api.robostem-api.org
+      headers: {
+        'x-api-key': token,
+        'accept': 'application/json',
+      },
+      connectTimeout: const Duration(seconds: 30),
+      receiveTimeout: const Duration(seconds: 30),
+    ));
+
+    try {
+      final response = await dio.get('/api/rankings/statiq', queryParameters: {
+        'program': 'VIQRC',
+        'limit': 100, // Reduced from 2500 for performance
+        'grade_level': gradeLevel,
+      });
+
+      // RoboStem response structure might differ. Assuming standard list or {data: []}
+      List<Map<String, dynamic>> rawList = [];
+      if (response.data is List) {
+        rawList = (response.data as List).cast<Map<String, dynamic>>();
+      } else if (response.data is Map && response.data['data'] is List) {
+        rawList = (response.data['data'] as List).cast<Map<String, dynamic>>();
+      }
+
+      return rawList.map((json) => Team.fromJson(json)).toList();
+    } catch (e) {
+      return [];
+    }
+  }
+
   Future<List<Team>> searchTeams(
       {String? number, int? program, int? limit}) async {
     // Strategy: Use RobotEvents API for exact team lookup first,

lib/src/services/local_db_service.dart

@@ -39,6 +39,7 @@ class LocalDbService {
       Hive.openBox<ScoreEntry>('saved_scores'),
       Hive.openBox<Team>(AppConstants.teamHistoryBox),
       Hive.openBox<Event>(AppConstants.eventHistoryBox),
+      Hive.openBox(AppConstants.leaderboardBox),
     ]);
   }
 
@@ -53,6 +54,7 @@ class LocalDbService {
   Box<Team> get teamHistoryBox => Hive.box<Team>(AppConstants.teamHistoryBox);
   Box<Event> get eventHistoryBox =>
       Hive.box<Event>(AppConstants.eventHistoryBox);
+  Box get leaderboardBox => Hive.box(AppConstants.leaderboardBox);
 
   Future<void> clearAllData() async {
     await eventsBox.clear();
@@ -63,5 +65,6 @@ class LocalDbService {
     await scoreEntriesBox.clear();
     await teamHistoryBox.clear();
     await eventHistoryBox.clear();
+    await leaderboardBox.clear();
   }
 }

lib/src/state/providers.dart

@@ -13,6 +13,7 @@ import 'package:roboscout_iq/src/services/rating_service.dart';
 import 'package:roboscout_iq/src/services/secure_storage_service.dart';
 import 'package:roboscout_iq/src/services/sync_service.dart';
 import 'package:roboscout_iq/src/state/settings_provider.dart';
+import 'package:roboscout_iq/src/repositories/leaderboard_repository.dart';
 
 // Services
 final localDbServiceProvider = Provider((ref) => LocalDbService());
@@ -62,6 +63,11 @@ final syncServiceProvider = Provider((ref) => SyncService(
       ref.read(eventsRepositoryProvider),
     ));
 
+final leaderboardRepositoryProvider = Provider((ref) => LeaderboardRepository(
+      ref.read(apiClientProvider),
+      ref.read(localDbServiceProvider),
+    ));
+
 // Navigation State
 final bottomNavIndexProvider =
     StateProvider<int>((ref) => 0); // Default to Favorites

lib/src/ui/screens/events_list_screen.dart

@@ -396,7 +396,7 @@ class _EventsListViewState extends ConsumerState<EventsListView> {
                     const SizedBox(width: 8),
                     CupertinoButton(
                       padding: EdgeInsets.zero,
-                      minimumSize: Size.zero,
+                      minSize: 0,
                       child: Icon(CupertinoIcons.clock, color: primaryColor),
                       onPressed: () => _showHistory(context),
                     ),