feat(state): DailyRewardNotifier with injectable clock

2026-06-18 12:21:02 +09:00
parent ba4d4a662b
commit fa4247cd9b
3 changed files with 80 additions and 0 deletions
@@ -0,0 +1,35 @@
+// lib/state/daily_reward_notifier.dart
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+import '../data/save_repository.dart';
+import '../game/daily/daily_reward.dart';
+import 'providers.dart';
+
+class DailyRewardNotifier extends Notifier<DailyResolution> {
+  static const _cal = DailyRewardCalendar();
+
+  SaveRepository get _save => ref.read(saveRepositoryProvider);
+  DateTime Function() get _now => ref.read(dailyNowProvider);
+
+  @override
+  DailyResolution build() => _resolve();
+
+  DailyResolution _resolve() => _cal.resolve(
+        lastClaimedYmd: _save.dailyLastClaimedYmd,
+        storedDay: _save.dailyCalendarDay,
+        today: _now(),
+      );
+
+  /// Grants the current day's reward (×2 if [doubled]) and records the claim.
+  Future<void> claim({bool doubled = false}) async {
+    final r = state;
+    if (!r.claimable) return;
+    final reward = _cal.rewardFor(r.day);
+    final inv = ref.read(boosterInventoryProvider.notifier);
+    for (final entry in reward.entries) {
+      await inv.grant(entry.key, entry.value * (doubled ? 2 : 1));
+    }
+    await _save.recordDailyClaim(_cal.ymd(_now()), r.day);
+    state = _resolve();
+  }
+}