first commit

lib/services/storage_service.dart

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+import 'package:hive_flutter/hive_flutter.dart';
+import '../models/focus_session.dart';
+
+/// Service to manage local storage using Hive
+class StorageService {
+  static const String _focusSessionBox = 'focus_sessions';
+
+  /// Initialize Hive
+  static Future<void> init() async {
+    await Hive.initFlutter();
+
+    // Register adapters
+    Hive.registerAdapter(FocusSessionAdapter());
+
+    // Open boxes
+    await Hive.openBox<FocusSession>(_focusSessionBox);
+  }
+
+  /// Get the focus sessions box
+  Box<FocusSession> get _sessionsBox => Hive.box<FocusSession>(_focusSessionBox);
+
+  /// Save a focus session
+  Future<void> saveFocusSession(FocusSession session) async {
+    await _sessionsBox.add(session);
+  }
+
+  /// Get all focus sessions
+  List<FocusSession> getAllSessions() {
+    return _sessionsBox.values.toList();
+  }
+
+  /// Get today's focus sessions
+  List<FocusSession> getTodaySessions() {
+    final now = DateTime.now();
+    final today = DateTime(now.year, now.month, now.day);
+
+    return _sessionsBox.values.where((session) {
+      final sessionDate = DateTime(
+        session.startTime.year,
+        session.startTime.month,
+        session.startTime.day,
+      );
+      return sessionDate == today;
+    }).toList();
+  }
+
+  /// Get total focus minutes for today
+  int getTodayTotalMinutes() {
+    return getTodaySessions()
+        .fold<int>(0, (sum, session) => sum + session.actualMinutes);
+  }
+
+  /// Get total distractions for today
+  int getTodayDistractionCount() {
+    return getTodaySessions()
+        .fold<int>(0, (sum, session) => sum + session.distractionCount);
+  }
+
+  /// Get total completed sessions for today
+  int getTodayCompletedCount() {
+    return getTodaySessions()
+        .where((session) => session.completed)
+        .length;
+  }
+
+  /// Delete a focus session
+  Future<void> deleteSession(FocusSession session) async {
+    await session.delete();
+  }
+
+  /// Clear all sessions (for testing/debugging)
+  Future<void> clearAllSessions() async {
+    await _sessionsBox.clear();
+  }
+
+  /// Close all boxes
+  static Future<void> close() async {
+    await Hive.close();
+  }
+}