release: bump version to 1.4(p) (versionCode 14)

- Update versionCode 12 → 14, versionName 1.3(p) → 1.4(p) - Update pubspec.yaml version to 1.4.0+14 - Add CHANGELOG.md with full version history - Update README.md: version badge + changelog section - Desktop Contribute Dashboard rebuilt to match web version - Contributor Dashboard title, 3-tab nav (Contribute/Leaderboard/Achievements) - Two-column submit form, tier milestone progress bar - Desktop leaderboard with podium, filters, rank table (green points) - Desktop achievements 3-column badge grid - Inline Reward Shop with RP balance - Gamification feature module (EP, RP, leaderboard, achievements, shop) - Profile screen redesigned to match web app layout with animations - Home screen bottom sheet date filter chips - Updated API endpoints, login/event detail screens, theme colors - Added Gilroy font suite, responsive layout improvements
2026-03-18 11:10:56 +05:30
parent 5b98f41596
commit 50caad21a5
16 changed files with 3219 additions and 921 deletions
--- a/lib/features/gamification/providers/gamification_provider.dart
+++ b/lib/features/gamification/providers/gamification_provider.dart
@@ -0,0 +1,124 @@
+// lib/features/gamification/providers/gamification_provider.dart
+
+import 'package:flutter/foundation.dart';
+import '../models/gamification_models.dart';
+import '../services/gamification_service.dart';
+
+class GamificationProvider extends ChangeNotifier {
+  final GamificationService _service = GamificationService();
+
+  // State
+  UserGamificationProfile? profile;
+  List<LeaderboardEntry> leaderboard = [];
+  List<ShopItem> shopItems = [];
+  List<AchievementBadge> achievements = [];
+
+  // Leaderboard filters — matches web version
+  String leaderboardDistrict = 'Overall Kerala';
+  String leaderboardTimePeriod = 'all_time'; // 'all_time' | 'this_month'
+
+  bool isLoading = false;
+  String? error;
+
+  // ---------------------------------------------------------------------------
+  // Load everything at once (called when ContributeScreen is mounted)
+  // ---------------------------------------------------------------------------
+  Future<void> loadAll() async {
+    isLoading = true;
+    error = null;
+    notifyListeners();
+
+    try {
+      final results = await Future.wait([
+        _service.getProfile(),
+        _service.getLeaderboard(district: leaderboardDistrict, timePeriod: leaderboardTimePeriod),
+        _service.getShopItems(),
+        _service.getAchievements(),
+      ]);
+
+      profile    = results[0] as UserGamificationProfile;
+      leaderboard = results[1] as List<LeaderboardEntry>;
+      shopItems  = results[2] as List<ShopItem>;
+      achievements = results[3] as List<AchievementBadge>;
+    } catch (e) {
+      error = e.toString();
+    } finally {
+      isLoading = false;
+      notifyListeners();
+    }
+  }
+
+  // ---------------------------------------------------------------------------
+  // Change district filter
+  // ---------------------------------------------------------------------------
+  Future<void> setDistrict(String district) async {
+    if (leaderboardDistrict == district) return;
+    leaderboardDistrict = district;
+    notifyListeners();
+    try {
+      leaderboard = await _service.getLeaderboard(district: district, timePeriod: leaderboardTimePeriod);
+    } catch (e) {
+      error = e.toString();
+    }
+    notifyListeners();
+  }
+
+  // ---------------------------------------------------------------------------
+  // Change time period filter
+  // ---------------------------------------------------------------------------
+  Future<void> setTimePeriod(String period) async {
+    if (leaderboardTimePeriod == period) return;
+    leaderboardTimePeriod = period;
+    notifyListeners();
+    try {
+      leaderboard = await _service.getLeaderboard(district: leaderboardDistrict, timePeriod: period);
+    } catch (e) {
+      error = e.toString();
+    }
+    notifyListeners();
+  }
+
+  // ---------------------------------------------------------------------------
+  // Redeem a shop item — deducts RP locally optimistically, returns voucher code
+  // ---------------------------------------------------------------------------
+  Future<String> redeemItem(String itemId) async {
+    final item = shopItems.firstWhere((s) => s.id == itemId);
+
+    // Optimistically deduct RP
+    if (profile != null) {
+      profile = UserGamificationProfile(
+        userId: profile!.userId,
+        lifetimeEp: profile!.lifetimeEp,
+        currentEp: profile!.currentEp,
+        currentRp: profile!.currentRp - item.rpCost,
+        tier: profile!.tier,
+      );
+      notifyListeners();
+    }
+
+    try {
+      final record = await _service.redeemItem(itemId);
+      return record.voucherCode;
+    } catch (e) {
+      // Rollback on failure
+      if (profile != null) {
+        profile = UserGamificationProfile(
+          userId: profile!.userId,
+          lifetimeEp: profile!.lifetimeEp,
+          currentEp: profile!.currentEp,
+          currentRp: profile!.currentRp + item.rpCost,
+          tier: profile!.tier,
+        );
+        notifyListeners();
+      }
+      rethrow;
+    }
+  }
+
+  // ---------------------------------------------------------------------------
+  // Submit a contribution
+  // ---------------------------------------------------------------------------
+  Future<void> submitContribution(Map<String, dynamic> data) async {
+    await _service.submitContribution(data);
+  }
+}