first commit

lib/models/daily_stats.dart

@@ -0,0 +1,64 @@
+import 'package:flutter/material.dart';
+
+class DailyStats {
+  final int? id;
+  final DateTime date;
+  final int totalTime; // 秒
+  final int workTime;
+  final int studyTime;
+  final int entertainmentTime;
+  final int socialTime;
+  final int toolTime;
+  final int? efficiencyScore;
+  final int? focusScore;
+  final int appSwitchCount;
+  final DateTime createdAt;
+  final DateTime updatedAt;
+
+  DailyStats({
+    this.id,
+    required this.date,
+    required this.totalTime,
+    this.workTime = 0,
+    this.studyTime = 0,
+    this.entertainmentTime = 0,
+    this.socialTime = 0,
+    this.toolTime = 0,
+    this.efficiencyScore,
+    this.focusScore,
+    this.appSwitchCount = 0,
+    required this.createdAt,
+    required this.updatedAt,
+  });
+
+  Map<String, int> get categoryTime => {
+    'work': workTime,
+    'study': studyTime,
+    'entertainment': entertainmentTime,
+    'social': socialTime,
+    'tool': toolTime,
+  };
+
+  // 格式化总时长
+  String get formattedTotalTime {
+    final hours = totalTime ~/ 3600;
+    final minutes = (totalTime % 3600) ~/ 60;
+    if (hours > 0) {
+      return '${hours}h ${minutes}m';
+    }
+    return '${minutes}m';
+  }
+
+  // 获取效率评分颜色
+  Color get efficiencyColor {
+    final score = efficiencyScore ?? 0;
+    if (score >= 80) {
+      return const Color(0xFF10B981); // Green
+    } else if (score >= 50) {
+      return const Color(0xFFF59E0B); // Orange
+    } else {
+      return const Color(0xFFEF4444); // Red
+    }
+  }
+}
+