generated from dellevin/template
优化项目结构
This commit is contained in:
DelLevin-Home
993
lib/pages/explore/statistics_page.dart
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993
lib/pages/explore/statistics_page.dart
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@@ -0,0 +1,993 @@
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import 'dart:math' as math;
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import 'package:flutter/material.dart';
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import 'package:fl_chart/fl_chart.dart';
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import 'package:provider/provider.dart';
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import '../providers/app_provider.dart';
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import '../models/data_models.dart';
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import '../utils/user_prefs.dart';
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import '../widgets/fade_in_local_image.dart';
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/// 数据统计页面 - 多维度数据分析
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class StatisticsPage extends StatefulWidget {
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const StatisticsPage({super.key});
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@override
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State<StatisticsPage> createState() => _StatisticsPageState();
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}
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class _StatisticsPageState extends State<StatisticsPage> {
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int _cloudTabIndex = 0;
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bool get _showMovies => UserPrefs().showMovieTab;
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bool get _showBooks => UserPrefs().showBookTab;
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bool get _showNotes => UserPrefs().showNoteTab;
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// 缓存过滤后的列表，避免每次 build 都重新过滤
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List<Movie>? _cachedMovies;
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List<Book>? _cachedBooks;
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List<Note>? _cachedNotes;
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List<Movie>? _filteredMovies;
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List<Book>? _filteredBooks;
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List<Note>? _filteredNotes;
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(List<Movie>, List<Book>, List<Note>) _getFilteredLists(
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List<Movie> movies, List<Book> books, List<Note> notes) {
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if (!identical(movies, _cachedMovies) ||
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!identical(books, _cachedBooks) ||
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!identical(notes, _cachedNotes)) {
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_cachedMovies = movies;
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_cachedBooks = books;
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_cachedNotes = notes;
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_filteredMovies = movies.where((m) => !m.isDeleted).toList();
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_filteredBooks = books.where((b) => !b.isDeleted).toList();
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_filteredNotes = notes.where((n) => !n.isDeleted).toList();
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}
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return (_filteredMovies!, _filteredBooks!, _filteredNotes!);
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}
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@override
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Widget build(BuildContext context) {
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final colors = Theme.of(context).colorScheme;
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final movies = context.select<AppProvider, List<Movie>>((p) => p.movies);
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final books = context.select<AppProvider, List<Book>>((p) => p.books);
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final notes = context.select<AppProvider, List<Note>>((p) => p.notes);
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final (fm, fb, fn) = _getFilteredLists(movies, books, notes);
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return Scaffold(
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backgroundColor: colors.surface,
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appBar: AppBar(title: const Text('数据统计')),
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body: ListView(
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padding: const EdgeInsets.all(20),
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children: [
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// 1. 总览
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_buildOverview(fm, fb, fn),
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const SizedBox(height: 28),
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// 2. 状态分布
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if (_showMovies) ...[
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_buildStatusSection('影视状态分布', fm, (m) => m.status, {'已看': 'watched', '在看': 'watching', '想看': 'want_to_watch'}),
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const SizedBox(height: 28),
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],
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if (_showBooks) ...[
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_buildStatusSection('阅读状态分布', fb, (b) => b.status, {'已读': 'read', '在读': 'reading', '想读': 'want_to_read'}),
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const SizedBox(height: 28),
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],
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// 3. 习惯洞察
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_buildHabitsInsight(fm, fb, fn),
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const SizedBox(height: 28),
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// 4. 类型偏好雷达图
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_buildGenreRadar(fm, fb),
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const SizedBox(height: 28),
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// 5. 导演/作者 TOP 5
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_buildDirectorTop5(fm),
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const SizedBox(height: 28),
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_buildAuthorTop5(fb),
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const SizedBox(height: 28),
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// 6. 高分之最
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_buildTopRated(fm, fb),
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const SizedBox(height: 28),
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// 7. 评分分布
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_buildRatingDistribution(fm, fb),
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const SizedBox(height: 28),
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// 8. 年度趋势
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_buildYearlyTrend(fm, fb, fn),
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const SizedBox(height: 28),
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// 9. 星期分布
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_buildWeekdayDistribution(fm, fb, fn),
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const SizedBox(height: 28),
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// 10. 累计增长
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_buildCumulativeGrowth(fm, fb, fn),
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const SizedBox(height: 28),
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// 11. 标签词云
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_buildTagCloud(fm, fb, fn),
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const SizedBox(height: 28),
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// 12+13. 马拉松 + 标签之最
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_buildFunStats(fm, fb, fn),
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const SizedBox(height: 80),
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],
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),
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);
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}
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// ─── 1. 总览区域 ──────────────────────────────────────────────────────
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Widget _buildOverview(List<Movie> movies, List<Book> books, List<Note> notes) {
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final colors = Theme.of(context).colorScheme;
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final completed = movies.where((m) => m.status == 'watched').length +
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books.where((b) => b.status == 'read').length;
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final totalWithStatus = movies.length + books.length;
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final completionRate = totalWithStatus > 0 ? completed / totalWithStatus : 0.0;
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// 本月新增
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final now = DateTime.now();
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final thisMonth = movies.where((m) => m.createdAt.year == now.year && m.createdAt.month == now.month).length +
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books.where((b) => b.createdAt.year == now.year && b.createdAt.month == now.month).length +
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notes.where((n) => n.createdAt.year == now.year && n.createdAt.month == now.month).length;
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final lastMonthDate = DateTime(now.year, now.month - 1, 1);
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final lastMonth = movies.where((m) => m.createdAt.year == lastMonthDate.year && m.createdAt.month == lastMonthDate.month).length +
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books.where((b) => b.createdAt.year == lastMonthDate.year && b.createdAt.month == lastMonthDate.month).length +
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notes.where((n) => n.createdAt.year == lastMonthDate.year && n.createdAt.month == lastMonthDate.month).length;
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final monthDiff = thisMonth - lastMonth;
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// 平均评分
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final allRatings = [...movies, ...books].map((e) => (e as dynamic).rating as double?).where((r) => r != null && r > 0).toList();
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final avgRating = allRatings.isNotEmpty ? allRatings.reduce((a, b) => a! + b!)! / allRatings.length : 0.0;
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// 记录天数
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final allDates = [...movies.map((m) => m.createdAt), ...books.map((b) => b.createdAt), ...notes.map((n) => n.createdAt)];
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final daysTracked = allDates.isNotEmpty ? now.difference(allDates.reduce((a, b) => a.isBefore(b) ? a : b)).inDays + 1 : 0;
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return Row(
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children: [
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_buildOverviewCard('完成率', completionRate == 0 ? '-' : '${(completionRate * 100).toStringAsFixed(0)}%', Icons.check_circle_outline, colors.primary, subtitle: completionRate > 0 ? '已看+已读' : null),
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const SizedBox(width: 10),
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_buildOverviewCard('本月新增', '$thisMonth', Icons.trending_up, const Color(0xFF66BB6A), subtitle: monthDiff >= 0 ? '↑$monthDiff' : '↓${monthDiff.abs()}'),
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const SizedBox(width: 10),
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_buildOverviewCard('平均评分', avgRating > 0 ? avgRating.toStringAsFixed(1) : '-', Icons.star_outline, const Color(0xFFFFB800), subtitle: avgRating > 0 ? '/ 10' : null),
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const SizedBox(width: 10),
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_buildOverviewCard('记录天数', daysTracked > 0 ? '$daysTracked' : '-', Icons.calendar_today_outlined, const Color(0xFF7E57C2), subtitle: daysTracked > 0 ? '天' : null),
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],
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);
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}
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Widget _buildOverviewCard(String label, String value, IconData icon, Color color, {String? subtitle}) {
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final colors = Theme.of(context).colorScheme;
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return Expanded(
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child: Container(
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padding: const EdgeInsets.symmetric(vertical: 16, horizontal: 8),
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decoration: BoxDecoration(
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color: color.withValues(alpha: 0.06),
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borderRadius: BorderRadius.circular(12),
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),
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child: Column(
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children: [
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Icon(icon, size: 20, color: color),
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const SizedBox(height: 8),
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Text(value, style: TextStyle(fontSize: 20, fontWeight: FontWeight.w700, color: color)),
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if (subtitle != null) ...[
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const SizedBox(height: 2),
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Text(subtitle, style: TextStyle(fontSize: 10, color: colors.onSurface.withValues(alpha: 0.4))),
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],
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const SizedBox(height: 4),
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Text(label, style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.5))),
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],
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),
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),
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);
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}
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// ─── 2. 状态分布 ────────────────────────────────────────────────────────
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Widget _buildStatusSection(String title, List items, String Function(dynamic) getStatus, Map<String, String> labels) {
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final colors = Theme.of(context).colorScheme;
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final total = items.length;
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return _buildCard(
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title: title,
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child: Column(
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children: labels.entries.map((e) {
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final count = items.where((i) => getStatus(i) == e.value).length;
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final pct = total > 0 ? count / total : 0.0;
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return Padding(
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padding: const EdgeInsets.only(bottom: 14),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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Text(e.key, style: TextStyle(fontSize: 13, color: colors.onSurface.withValues(alpha: 0.6))),
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const Spacer(),
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Text('$count', style: TextStyle(fontSize: 14, fontWeight: FontWeight.w600, color: colors.onSurface)),
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const SizedBox(width: 4),
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Text('${(pct * 100).toStringAsFixed(0)}%', style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.3))),
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],
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),
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const SizedBox(height: 6),
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ClipRRect(
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borderRadius: BorderRadius.circular(3),
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child: LinearProgressIndicator(value: pct, backgroundColor: colors.outlineVariant, color: colors.primary, minHeight: 6),
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),
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],
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),
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);
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}).toList(),
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),
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);
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}
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// ─── 3. 习惯洞察 ────────────────────────────────────────────────────────
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Widget _buildHabitsInsight(List<Movie> movies, List<Book> books, List<Note> notes) {
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final colors = Theme.of(context).colorScheme;
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final allDates = [
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...movies.map((m) => m.createdAt),
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...books.map((b) => b.createdAt),
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...notes.map((n) => n.createdAt),
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]..sort();
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if (allDates.isEmpty) return const SizedBox.shrink();
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// 最活跃月份
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final monthCounts = <int, int>{};
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for (final d in allDates) {
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monthCounts[d.month] = (monthCounts[d.month] ?? 0) + 1;
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}
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final busiestMonth = monthCounts.entries.isEmpty ? 1 : monthCounts.entries.reduce((a, b) => a.value >= b.value ? a : b).key;
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const monthNames = ['', '一月', '二月', '三月', '四月', '五月', '六月', '七月', '八月', '九月', '十月', '十一月', '十二月'];
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// 记录频率
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final firstDate = allDates.first;
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final totalMonths = math.max(1, (DateTime.now().year - firstDate.year) * 12 + DateTime.now().month - firstDate.month + 1);
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final avgPerMonth = (allDates.length / totalMonths).toStringAsFixed(1);
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// 观影/阅读节奏（已看完的平均间隔天数）
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final watchedDates = movies.where((m) => m.status == 'watched').map((m) => m.createdAt).toList()..sort();
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final readDates = books.where((b) => b.status == 'read').map((b) => b.createdAt).toList()..sort();
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final watchedAvgGap = _calcAvgGap(watchedDates);
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final readAvgGap = _calcAvgGap(readDates);
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return _buildCard(
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title: '习惯洞察',
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child: Column(
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children: [
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_buildInsightRow(Icons.calendar_month_outlined, '最活跃月份', monthNames[busiestMonth]),
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Divider(height: 1, color: colors.outlineVariant),
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_buildInsightRow(Icons.speed_outlined, '记录频率', '平均每月 $avgPerMonth 条'),
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Divider(height: 1, color: colors.outlineVariant),
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if (watchedAvgGap > 0)
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_buildInsightRow(Icons.movie_outlined, '观影节奏', '平均 ${watchedAvgGap.toStringAsFixed(0)} 天一部'),
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if (watchedAvgGap > 0 && readAvgGap > 0)
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Divider(height: 1, color: colors.outlineVariant),
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if (readAvgGap > 0)
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_buildInsightRow(Icons.menu_book_outlined, '阅读节奏', '平均 ${readAvgGap.toStringAsFixed(0)} 天一本'),
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],
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),
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);
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}
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double _calcAvgGap(List<DateTime> dates) {
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if (dates.length < 2) return 0;
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final sorted = dates.toList()..sort();
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double totalGap = 0;
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for (int i = 1; i < sorted.length; i++) {
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totalGap += sorted[i].difference(sorted[i - 1]).inDays.toDouble();
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}
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return totalGap / (sorted.length - 1);
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}
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Widget _buildInsightRow(IconData icon, String label, String value) {
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final colors = Theme.of(context).colorScheme;
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return Padding(
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padding: const EdgeInsets.symmetric(vertical: 10),
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child: Row(
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children: [
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Icon(icon, size: 18, color: colors.onSurface.withValues(alpha: 0.5)),
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const SizedBox(width: 12),
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Text(label, style: TextStyle(fontSize: 13, color: colors.onSurface.withValues(alpha: 0.6))),
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const Spacer(),
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Text(value, style: TextStyle(fontSize: 14, fontWeight: FontWeight.w600, color: colors.onSurface)),
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],
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),
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);
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}
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// ─── 4. 类型偏好雷达图 ──────────────────────────────────────────────────
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Widget _buildGenreRadar(List<Movie> movies, List<Book> books) {
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final colors = Theme.of(context).colorScheme;
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final movieGenres = <String, int>{};
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final bookGenres = <String, int>{};
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for (final m in movies) { for (final g in m.genres) { movieGenres[g] = (movieGenres[g] ?? 0) + 1; } }
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for (final b in books) { for (final g in b.genres) { bookGenres[g] = (bookGenres[g] ?? 0) + 1; } }
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final allGenres = <String, int>{};
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allGenres.addAll(movieGenres);
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for (final e in bookGenres.entries) { allGenres[e.key] = (allGenres[e.key] ?? 0) + e.value; }
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final sorted = allGenres.entries.toList()..sort((a, b) => b.value.compareTo(a.value));
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final top6 = sorted.take(6).toList();
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if (top6.length < 3) return const SizedBox.shrink();
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final maxVal = top6.first.value.toDouble();
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return _buildCard(
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title: '类型偏好',
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child: Column(
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children: [
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SizedBox(
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height: 220,
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child: RadarChart(
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RadarChartData(
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radarShape: RadarShape.polygon,
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dataSets: [
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if (movieGenres.isNotEmpty)
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RadarDataSet(
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dataEntries: top6.map((e) => RadarEntry(value: (movieGenres[e.key] ?? 0) / math.max(1, maxVal))).toList(),
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borderColor: const Color(0xFF4A90D9),
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fillColor: const Color(0xFF4A90D9).withValues(alpha: 0.15),
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borderWidth: 2,
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),
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if (bookGenres.isNotEmpty)
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RadarDataSet(
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dataEntries: top6.map((e) => RadarEntry(value: (bookGenres[e.key] ?? 0) / math.max(1, maxVal))).toList(),
|
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borderColor: const Color(0xFF7E57C2),
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||||
fillColor: const Color(0xFF7E57C2).withValues(alpha: 0.15),
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borderWidth: 2,
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),
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],
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radarBorderData: BorderSide(color: colors.outlineVariant, width: 0.5),
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gridBorderData: BorderSide(color: colors.outlineVariant, width: 0.5),
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tickBorderData: BorderSide(color: colors.outlineVariant.withValues(alpha: 0.3), width: 0.5),
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||||
ticksTextStyle: TextStyle(fontSize: 9, color: colors.onSurface.withValues(alpha: 0.3)),
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titleTextStyle: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.6)),
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||||
titlePositionPercentageOffset: 0.15,
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getTitle: (index, angle) => RadarChartTitle(text: top6[index].key),
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tickCount: 3,
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),
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||||
),
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||||
),
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const SizedBox(height: 12),
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Row(
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||||
mainAxisAlignment: MainAxisAlignment.center,
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||||
children: [
|
||||
if (movieGenres.isNotEmpty) ...[
|
||||
Container(width: 10, height: 3, decoration: BoxDecoration(color: const Color(0xFF4A90D9), borderRadius: BorderRadius.circular(1.5))),
|
||||
const SizedBox(width: 4),
|
||||
Text('影视', style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.5))),
|
||||
const SizedBox(width: 16),
|
||||
],
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||||
if (bookGenres.isNotEmpty) ...[
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||||
Container(width: 10, height: 3, decoration: BoxDecoration(color: const Color(0xFF7E57C2), borderRadius: BorderRadius.circular(1.5))),
|
||||
const SizedBox(width: 4),
|
||||
Text('书籍', style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.5))),
|
||||
],
|
||||
],
|
||||
),
|
||||
],
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
// ─── 5. 导演/作者 TOP 5 ────────────────────────────────────────────────
|
||||
|
||||
Widget _buildDirectorTop5(List<Movie> movies) {
|
||||
final colors = Theme.of(context).colorScheme;
|
||||
final counts = <String, int>{};
|
||||
for (final m in movies) { for (final d in m.directors) { counts[d] = (counts[d] ?? 0) + 1; } }
|
||||
final sorted = counts.entries.toList()..sort((a, b) => b.value.compareTo(a.value));
|
||||
final top5 = sorted.take(5).toList();
|
||||
if (top5.isEmpty) return const SizedBox.shrink();
|
||||
final maxVal = top5.first.value.toDouble();
|
||||
|
||||
return _buildCard(
|
||||
title: '导演 TOP 5',
|
||||
child: Column(
|
||||
children: top5.map((e) {
|
||||
final ratio = e.value / maxVal;
|
||||
return Padding(
|
||||
padding: const EdgeInsets.only(bottom: 10),
|
||||
child: Row(
|
||||
children: [
|
||||
SizedBox(width: 60, child: Text(e.key, style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.7)), overflow: TextOverflow.ellipsis)),
|
||||
const SizedBox(width: 10),
|
||||
Expanded(
|
||||
child: ClipRRect(
|
||||
borderRadius: BorderRadius.circular(2),
|
||||
child: LinearProgressIndicator(value: ratio, backgroundColor: colors.outlineVariant, color: const Color(0xFF4A90D9), minHeight: 4),
|
||||
),
|
||||
),
|
||||
const SizedBox(width: 8),
|
||||
Text('${e.value}部', style: TextStyle(fontSize: 12, fontWeight: FontWeight.w600, color: colors.onSurface)),
|
||||
],
|
||||
),
|
||||
);
|
||||
}).toList(),
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
Widget _buildAuthorTop5(List<Book> books) {
|
||||
final colors = Theme.of(context).colorScheme;
|
||||
final counts = <String, int>{};
|
||||
for (final b in books) { for (final a in b.authors) { counts[a] = (counts[a] ?? 0) + 1; } }
|
||||
final sorted = counts.entries.toList()..sort((a, b) => b.value.compareTo(a.value));
|
||||
final top5 = sorted.take(5).toList();
|
||||
if (top5.isEmpty) return const SizedBox.shrink();
|
||||
final maxVal = top5.first.value.toDouble();
|
||||
|
||||
return _buildCard(
|
||||
title: '作者 TOP 5',
|
||||
child: Column(
|
||||
children: top5.map((e) {
|
||||
final ratio = e.value / maxVal;
|
||||
return Padding(
|
||||
padding: const EdgeInsets.only(bottom: 10),
|
||||
child: Row(
|
||||
children: [
|
||||
SizedBox(width: 60, child: Text(e.key, style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.7)), overflow: TextOverflow.ellipsis)),
|
||||
const SizedBox(width: 10),
|
||||
Expanded(
|
||||
child: ClipRRect(
|
||||
borderRadius: BorderRadius.circular(2),
|
||||
child: LinearProgressIndicator(value: ratio, backgroundColor: colors.outlineVariant, color: const Color(0xFF7E57C2), minHeight: 4),
|
||||
),
|
||||
),
|
||||
const SizedBox(width: 8),
|
||||
Text('${e.value}本', style: TextStyle(fontSize: 12, fontWeight: FontWeight.w600, color: colors.onSurface)),
|
||||
],
|
||||
),
|
||||
);
|
||||
}).toList(),
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
// ─── 6. 高分之最 TOP 5 ─────────────────────────────────────────────────
|
||||
|
||||
Widget _buildTopRated(List<Movie> movies, List<Book> books) {
|
||||
final colors = Theme.of(context).colorScheme;
|
||||
final ratedMovies = movies.where((m) => m.rating != null && m.rating! > 0).toList()
|
||||
..sort((a, b) => b.rating!.compareTo(a.rating!));
|
||||
final ratedBooks = books.where((b) => b.rating != null && b.rating! > 0).toList()
|
||||
..sort((a, b) => b.rating!.compareTo(a.rating!));
|
||||
|
||||
if (ratedMovies.isEmpty && ratedBooks.isEmpty) return const SizedBox.shrink();
|
||||
|
||||
return _buildCard(
|
||||
title: '高分之最',
|
||||
child: Column(
|
||||
children: [
|
||||
if (ratedMovies.isNotEmpty) ...[
|
||||
Text('影视 TOP 5', style: TextStyle(fontSize: 12, fontWeight: FontWeight.w600, color: colors.onSurface.withValues(alpha: 0.5))),
|
||||
const SizedBox(height: 8),
|
||||
...ratedMovies.take(5).map((m) => _buildTopRatedItem(m.title, m.rating!, m.posterPath, colors)),
|
||||
if (ratedBooks.isNotEmpty) const SizedBox(height: 16),
|
||||
],
|
||||
if (ratedBooks.isNotEmpty) ...[
|
||||
Text('书籍 TOP 5', style: TextStyle(fontSize: 12, fontWeight: FontWeight.w600, color: colors.onSurface.withValues(alpha: 0.5))),
|
||||
const SizedBox(height: 8),
|
||||
...ratedBooks.take(5).map((b) => _buildTopRatedItem(b.title, b.rating!, b.coverPath, colors)),
|
||||
],
|
||||
],
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
Widget _buildTopRatedItem(String title, double rating, String? imagePath, ColorScheme colors) {
|
||||
return Padding(
|
||||
padding: const EdgeInsets.only(bottom: 8),
|
||||
child: Row(
|
||||
children: [
|
||||
Container(
|
||||
width: 32, height: 44,
|
||||
decoration: BoxDecoration(color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(4)),
|
||||
clipBehavior: Clip.antiAlias,
|
||||
child: imagePath != null && imagePath.isNotEmpty
|
||||
? FadeInLocalImage(path: imagePath, fit: BoxFit.cover, errorWidget: Icon(Icons.image_outlined, size: 14, color: colors.onSurface.withValues(alpha: 0.2)))
|
||||
: Icon(Icons.image_outlined, size: 14, color: colors.onSurface.withValues(alpha: 0.2)),
|
||||
),
|
||||
const SizedBox(width: 10),
|
||||
Expanded(child: Text(title, maxLines: 1, overflow: TextOverflow.ellipsis, style: TextStyle(fontSize: 13, color: colors.onSurface))),
|
||||
Icon(Icons.star, size: 16, color: const Color(0xFFFFB800)),
|
||||
const SizedBox(width: 4),
|
||||
Text(rating.toStringAsFixed(1), style: TextStyle(fontSize: 14, fontWeight: FontWeight.w700, color: colors.onSurface)),
|
||||
],
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
// ─── 7. 评分分布 ────────────────────────────────────────────────────────
|
||||
|
||||
Widget _buildRatingDistribution(List<Movie> movies, List<Book> books) {
|
||||
final colors = Theme.of(context).colorScheme;
|
||||
final allRatings = <double>[];
|
||||
for (final m in movies) { if (m.rating != null) allRatings.add(m.rating!); }
|
||||
for (final b in books) { if (b.rating != null) allRatings.add(b.rating!); }
|
||||
if (allRatings.isEmpty) return const SizedBox.shrink();
|
||||
|
||||
final avg = allRatings.reduce((a, b) => a + b) / allRatings.length;
|
||||
final counts = List.filled(10, 0);
|
||||
for (final r in allRatings) { counts[(r.round()).clamp(1, 10) - 1]++; }
|
||||
final maxCount = counts.reduce((a, b) => a > b ? a : b).toDouble();
|
||||
if (maxCount == 0) return const SizedBox.shrink();
|
||||
|
||||
const barColors = [
|
||||
Color(0xFFBDBDBD), Color(0xFFBDBDBD), Color(0xFFFFCC80), Color(0xFFFFCC80),
|
||||
Color(0xFFFFB74D), Color(0xFFFFB74D), Color(0xFFFFA726), Color(0xFFFFA726),
|
||||
Color(0xFFFFB800), Color(0xFFFFB800),
|
||||
];
|
||||
|
||||
return _buildCard(
|
||||
title: '评分分布',
|
||||
child: Column(
|
||||
children: [
|
||||
Row(
|
||||
children: [
|
||||
Text('平均评分', style: TextStyle(fontSize: 13, color: colors.onSurface.withValues(alpha: 0.6))),
|
||||
const Spacer(),
|
||||
Text(avg.toStringAsFixed(1), style: TextStyle(fontSize: 22, fontWeight: FontWeight.w700, color: colors.onSurface)),
|
||||
Text(' / 10', style: TextStyle(fontSize: 13, color: colors.onSurface.withValues(alpha: 0.3))),
|
||||
],
|
||||
),
|
||||
const SizedBox(height: 20),
|
||||
SizedBox(
|
||||
height: 160,
|
||||
child: BarChart(
|
||||
BarChartData(
|
||||
alignment: BarChartAlignment.spaceAround,
|
||||
maxY: maxCount * 1.2,
|
||||
minY: 0,
|
||||
barTouchData: BarTouchData(
|
||||
touchTooltipData: BarTouchTooltipData(
|
||||
getTooltipColor: (_) => colors.inverseSurface,
|
||||
getTooltipItem: (group, groupIndex, rod, rodIndex) {
|
||||
return BarTooltipItem('${group.x + 1}星 ${rod.toY.toInt()}部', TextStyle(color: colors.onInverseSurface, fontSize: 12, fontWeight: FontWeight.w600));
|
||||
},
|
||||
),
|
||||
),
|
||||
titlesData: FlTitlesData(
|
||||
show: true,
|
||||
bottomTitles: AxisTitles(sideTitles: SideTitles(
|
||||
showTitles: true,
|
||||
getTitlesWidget: (value, meta) => Padding(
|
||||
padding: const EdgeInsets.only(top: 6),
|
||||
child: Text('${value.toInt() + 1}', style: TextStyle(fontSize: 10, color: colors.onSurface.withValues(alpha: 0.5))),
|
||||
),
|
||||
reservedSize: 24,
|
||||
)),
|
||||
leftTitles: const AxisTitles(sideTitles: SideTitles(showTitles: false)),
|
||||
topTitles: const AxisTitles(sideTitles: SideTitles(showTitles: false)),
|
||||
rightTitles: const AxisTitles(sideTitles: SideTitles(showTitles: false)),
|
||||
),
|
||||
borderData: FlBorderData(show: false),
|
||||
gridData: const FlGridData(show: false),
|
||||
barGroups: List.generate(10, (i) => BarChartGroupData(x: i, barRods: [
|
||||
BarChartRodData(
|
||||
toY: counts[i].toDouble(),
|
||||
color: barColors[i],
|
||||
width: 20,
|
||||
borderRadius: const BorderRadius.vertical(top: Radius.circular(4)),
|
||||
backDrawRodData: BackgroundBarChartRodData(show: true, toY: maxCount * 1.2, color: colors.outlineVariant.withValues(alpha: 0.3)),
|
||||
),
|
||||
])),
|
||||
),
|
||||
),
|
||||
),
|
||||
const SizedBox(height: 8),
|
||||
Text('星级评分', style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.3))),
|
||||
],
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
// ─── 8. 年度趋势折线图 ──────────────────────────────────────────────────
|
||||
|
||||
Widget _buildYearlyTrend(List<Movie> movies, List<Book> books, List<Note> notes) {
|
||||
final colors = Theme.of(context).colorScheme;
|
||||
final now = DateTime.now();
|
||||
final months = List.generate(12, (i) {
|
||||
final d = DateTime(now.year, now.month - (11 - i), 1);
|
||||
return '${d.month}月';
|
||||
});
|
||||
|
||||
List<int> countByMonth(List items) {
|
||||
return List.generate(12, (i) {
|
||||
final d = DateTime(now.year, now.month - (11 - i), 1);
|
||||
return items.where((item) => item.createdAt.year == d.year && item.createdAt.month == d.month).length;
|
||||
});
|
||||
}
|
||||
|
||||
final movieData = countByMonth(movies);
|
||||
final bookData = countByMonth(books);
|
||||
final noteData = countByMonth(notes);
|
||||
final allValues = [...movieData, ...bookData, ...noteData];
|
||||
final maxVal = allValues.isEmpty ? 1 : allValues.reduce((a, b) => a > b ? a : b);
|
||||
final safeMax = maxVal == 0 ? 1 : maxVal;
|
||||
|
||||
return _buildCard(
|
||||
title: '年度趋势',
|
||||
child: Column(
|
||||
children: [
|
||||
SizedBox(
|
||||
height: 180,
|
||||
child: LineChart(
|
||||
LineChartData(
|
||||
minY: 0,
|
||||
maxY: (safeMax * 1.3).toDouble(),
|
||||
lineBarsData: [
|
||||
_buildLineData(movieData, const Color(0xFF4A90D9)),
|
||||
_buildLineData(bookData, const Color(0xFF7E57C2)),
|
||||
_buildLineData(noteData, const Color(0xFF66BB6A)),
|
||||
],
|
||||
titlesData: FlTitlesData(
|
||||
bottomTitles: AxisTitles(sideTitles: SideTitles(
|
||||
showTitles: true,
|
||||
interval: 2,
|
||||
getTitlesWidget: (value, meta) {
|
||||
final idx = value.toInt();
|
||||
if (idx < 0 || idx >= months.length) return const SizedBox.shrink();
|
||||
return Padding(
|
||||
padding: const EdgeInsets.only(top: 6),
|
||||
child: Text(months[idx], style: TextStyle(fontSize: 10, color: colors.onSurface.withValues(alpha: 0.4))),
|
||||
);
|
||||
},
|
||||
reservedSize: 24,
|
||||
)),
|
||||
leftTitles: AxisTitles(sideTitles: SideTitles(
|
||||
showTitles: true,
|
||||
getTitlesWidget: (value, meta) => Text('${value.toInt()}', style: TextStyle(fontSize: 10, color: colors.onSurface.withValues(alpha: 0.3))),
|
||||
reservedSize: 28,
|
||||
)),
|
||||
topTitles: const AxisTitles(sideTitles: SideTitles(showTitles: false)),
|
||||
rightTitles: const AxisTitles(sideTitles: SideTitles(showTitles: false)),
|
||||
),
|
||||
gridData: FlGridData(
|
||||
show: true,
|
||||
drawVerticalLine: false,
|
||||
horizontalInterval: math.max(1, safeMax / 3).toDouble(),
|
||||
getDrawingHorizontalLine: (value) => FlLine(color: colors.outlineVariant, strokeWidth: 0.5),
|
||||
),
|
||||
borderData: FlBorderData(show: false),
|
||||
lineTouchData: LineTouchData(
|
||||
touchTooltipData: LineTouchTooltipData(
|
||||
getTooltipColor: (_) => colors.inverseSurface,
|
||||
getTooltipItems: (spots) => spots.map((s) {
|
||||
final labels = ['影视', '书籍', '笔记'];
|
||||
return LineTooltipItem('${labels[s.barIndex]} ${s.y.toInt()}', TextStyle(color: colors.onInverseSurface, fontSize: 12, fontWeight: FontWeight.w600));
|
||||
}).toList(),
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
const SizedBox(height: 12),
|
||||
Row(
|
||||
mainAxisAlignment: MainAxisAlignment.center,
|
||||
children: [
|
||||
_buildLegend(const Color(0xFF4A90D9), '影视'),
|
||||
const SizedBox(width: 16),
|
||||
_buildLegend(const Color(0xFF7E57C2), '书籍'),
|
||||
const SizedBox(width: 16),
|
||||
_buildLegend(const Color(0xFF66BB6A), '笔记'),
|
||||
],
|
||||
),
|
||||
],
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
LineChartBarData _buildLineData(List<int> data, Color color) {
|
||||
return LineChartBarData(
|
||||
spots: List.generate(12, (i) => FlSpot(i.toDouble(), data[i].toDouble())),
|
||||
isCurved: true,
|
||||
color: color,
|
||||
barWidth: 2,
|
||||
dotData: FlDotData(show: true, getDotPainter: (spot, percent, bar, index) => FlDotCirclePainter(radius: 3, color: color, strokeWidth: 0)),
|
||||
belowBarData: BarAreaData(show: true, color: color.withValues(alpha: 0.08)),
|
||||
);
|
||||
}
|
||||
|
||||
Widget _buildLegend(Color color, String label) {
|
||||
final colors = Theme.of(context).colorScheme;
|
||||
return Row(
|
||||
mainAxisSize: MainAxisSize.min,
|
||||
children: [
|
||||
Container(width: 10, height: 3, decoration: BoxDecoration(color: color, borderRadius: BorderRadius.circular(1.5))),
|
||||
const SizedBox(width: 4),
|
||||
Text(label, style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.5))),
|
||||
],
|
||||
);
|
||||
}
|
||||
|
||||
// ─── 9. 星期分布 ────────────────────────────────────────────────────────
|
||||
|
||||
Widget _buildWeekdayDistribution(List<Movie> movies, List<Book> books, List<Note> notes) {
|
||||
final colors = Theme.of(context).colorScheme;
|
||||
final allDates = [
|
||||
...movies.map((m) => m.createdAt),
|
||||
...books.map((b) => b.createdAt),
|
||||
...notes.map((n) => n.createdAt),
|
||||
];
|
||||
if (allDates.isEmpty) return const SizedBox.shrink();
|
||||
|
||||
final weekdayCounts = List.filled(7, 0);
|
||||
for (final d in allDates) {
|
||||
weekdayCounts[d.weekday - 1]++;
|
||||
}
|
||||
final maxCount = weekdayCounts.reduce((a, b) => a > b ? a : b).toDouble();
|
||||
if (maxCount == 0) return const SizedBox.shrink();
|
||||
final dayLabels = ['一', '二', '三', '四', '五', '六', '日'];
|
||||
|
||||
return _buildCard(
|
||||
title: '星期分布',
|
||||
child: SizedBox(
|
||||
height: 140,
|
||||
child: Row(
|
||||
crossAxisAlignment: CrossAxisAlignment.end,
|
||||
children: List.generate(7, (i) {
|
||||
final ratio = weekdayCounts[i] / maxCount;
|
||||
final barHeight = (ratio * 96).clamp(4.0, 96.0);
|
||||
return Expanded(
|
||||
child: Padding(
|
||||
padding: const EdgeInsets.symmetric(horizontal: 4),
|
||||
child: Column(
|
||||
mainAxisAlignment: MainAxisAlignment.end,
|
||||
children: [
|
||||
Text('${weekdayCounts[i]}', style: TextStyle(fontSize: 10, color: colors.onSurface.withValues(alpha: 0.4))),
|
||||
const SizedBox(height: 4),
|
||||
Container(
|
||||
height: barHeight,
|
||||
decoration: BoxDecoration(
|
||||
color: colors.primary.withValues(alpha: 0.6 + ratio * 0.4),
|
||||
borderRadius: BorderRadius.circular(4),
|
||||
),
|
||||
),
|
||||
const SizedBox(height: 6),
|
||||
Text(dayLabels[i], style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.5))),
|
||||
],
|
||||
),
|
||||
),
|
||||
);
|
||||
}),
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
// ─── 10. 累计增长曲线 ──────────────────────────────────────────────────
|
||||
|
||||
Widget _buildCumulativeGrowth(List<Movie> movies, List<Book> books, List<Note> notes) {
|
||||
final colors = Theme.of(context).colorScheme;
|
||||
final allItems = [...movies.map((m) => m.createdAt), ...books.map((b) => b.createdAt), ...notes.map((n) => n.createdAt)];
|
||||
if (allItems.isEmpty) return const SizedBox.shrink();
|
||||
allItems.sort();
|
||||
|
||||
// 按月累计
|
||||
final monthlyCumulative = <int, int>{};
|
||||
int cumulative = 0;
|
||||
final now = DateTime.now();
|
||||
for (int i = 11; i >= 0; i--) {
|
||||
final d = DateTime(now.year, now.month - i, 1);
|
||||
final nextMonth = DateTime(d.year, d.month + 1, 1);
|
||||
final count = allItems.where((date) => !date.isBefore(d) && date.isBefore(nextMonth)).length;
|
||||
cumulative += count;
|
||||
monthlyCumulative[11 - i] = cumulative;
|
||||
}
|
||||
final maxVal = cumulative.toDouble();
|
||||
if (maxVal == 0) return const SizedBox.shrink();
|
||||
|
||||
return _buildCard(
|
||||
title: '累计增长',
|
||||
child: SizedBox(
|
||||
height: 160,
|
||||
child: LineChart(
|
||||
LineChartData(
|
||||
minY: 0,
|
||||
maxY: maxVal * 1.2,
|
||||
lineBarsData: [
|
||||
LineChartBarData(
|
||||
spots: List.generate(12, (i) => FlSpot(i.toDouble(), (monthlyCumulative[i] ?? 0).toDouble())),
|
||||
isCurved: true,
|
||||
color: colors.primary,
|
||||
barWidth: 2.5,
|
||||
dotData: FlDotData(show: true, getDotPainter: (spot, percent, bar, index) => FlDotCirclePainter(radius: 3, color: colors.primary, strokeWidth: 0)),
|
||||
belowBarData: BarAreaData(show: true, color: colors.primary.withValues(alpha: 0.08)),
|
||||
),
|
||||
],
|
||||
titlesData: FlTitlesData(
|
||||
bottomTitles: AxisTitles(sideTitles: SideTitles(
|
||||
showTitles: true,
|
||||
interval: 2,
|
||||
getTitlesWidget: (value, meta) {
|
||||
final d = DateTime(now.year, now.month - (11 - value.toInt()), 1);
|
||||
return Padding(
|
||||
padding: const EdgeInsets.only(top: 6),
|
||||
child: Text('${d.month}月', style: TextStyle(fontSize: 10, color: colors.onSurface.withValues(alpha: 0.4))),
|
||||
);
|
||||
},
|
||||
reservedSize: 24,
|
||||
)),
|
||||
leftTitles: AxisTitles(sideTitles: SideTitles(
|
||||
showTitles: true,
|
||||
getTitlesWidget: (value, meta) => Text('${value.toInt()}', style: TextStyle(fontSize: 10, color: colors.onSurface.withValues(alpha: 0.3))),
|
||||
reservedSize: 28,
|
||||
)),
|
||||
topTitles: const AxisTitles(sideTitles: SideTitles(showTitles: false)),
|
||||
rightTitles: const AxisTitles(sideTitles: SideTitles(showTitles: false)),
|
||||
),
|
||||
gridData: FlGridData(
|
||||
show: true,
|
||||
drawVerticalLine: false,
|
||||
horizontalInterval: math.max(1, maxVal / 3).toDouble(),
|
||||
getDrawingHorizontalLine: (value) => FlLine(color: colors.outlineVariant, strokeWidth: 0.5),
|
||||
),
|
||||
borderData: FlBorderData(show: false),
|
||||
),
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
// ─── 11. 标签词云 ──────────────────────────────────────────────────────
|
||||
|
||||
Widget _buildTagCloud(List<Movie> movies, List<Book> books, List<Note> notes) {
|
||||
final colors = Theme.of(context).colorScheme;
|
||||
final tabs = <String>[];
|
||||
if (_showMovies) tabs.add('影视');
|
||||
if (_showBooks) tabs.add('书籍');
|
||||
if (_showNotes) tabs.add('笔记');
|
||||
if (tabs.isEmpty) return const SizedBox.shrink();
|
||||
if (_cloudTabIndex >= tabs.length) _cloudTabIndex = 0;
|
||||
|
||||
final tagCounts = <String, int>{};
|
||||
switch (tabs[_cloudTabIndex]) {
|
||||
case '影视':
|
||||
for (final m in movies) { for (final g in m.genres) { tagCounts[g] = (tagCounts[g] ?? 0) + 1; } }
|
||||
break;
|
||||
case '书籍':
|
||||
for (final b in books) { for (final g in b.genres) { tagCounts[g] = (tagCounts[g] ?? 0) + 1; } }
|
||||
break;
|
||||
case '笔记':
|
||||
for (final n in notes) { for (final t in n.tags) { tagCounts[t] = (tagCounts[t] ?? 0) + 1; } }
|
||||
break;
|
||||
}
|
||||
|
||||
final sorted = tagCounts.entries.toList()..sort((a, b) => b.value.compareTo(a.value));
|
||||
if (sorted.isEmpty) return const SizedBox.shrink();
|
||||
final maxCount = sorted.first.value;
|
||||
final minCount = sorted.last.value;
|
||||
final range = math.max(maxCount - minCount, 1);
|
||||
|
||||
const cloudColors = [
|
||||
Color(0xFFE53935), Color(0xFF4A90D9), Color(0xFF7E57C2),
|
||||
Color(0xFF66BB6A), Color(0xFFFF8F00), Color(0xFF00ACC1),
|
||||
Color(0xFF5C6BC0), Color(0xFF26A69A), Color(0xFF8D6E63),
|
||||
];
|
||||
|
||||
return _buildCard(
|
||||
title: '标签词云',
|
||||
child: Column(children: [
|
||||
Row(
|
||||
children: tabs.map((t) {
|
||||
final i = tabs.indexOf(t);
|
||||
final selected = _cloudTabIndex == i;
|
||||
return Expanded(
|
||||
child: GestureDetector(
|
||||
onTap: () => setState(() => _cloudTabIndex = i),
|
||||
child: Container(
|
||||
padding: const EdgeInsets.symmetric(vertical: 8),
|
||||
margin: EdgeInsets.only(right: i < tabs.length - 1 ? 6 : 0),
|
||||
decoration: BoxDecoration(
|
||||
color: selected ? colors.primary : colors.surfaceContainerHighest,
|
||||
borderRadius: BorderRadius.circular(8),
|
||||
),
|
||||
child: Text(t, textAlign: TextAlign.center, style: TextStyle(fontSize: 13, fontWeight: selected ? FontWeight.w600 : FontWeight.w500, color: selected ? colors.onPrimary : colors.onSurface.withValues(alpha: 0.5))),
|
||||
),
|
||||
),
|
||||
);
|
||||
}).toList(),
|
||||
),
|
||||
const SizedBox(height: 16),
|
||||
Wrap(
|
||||
spacing: 6,
|
||||
runSpacing: 6,
|
||||
children: sorted.map((e) {
|
||||
final ratio = (e.value - minCount) / range;
|
||||
final fontSize = (12.0 + ratio * 18.0).roundToDouble();
|
||||
final c = cloudColors[((ratio * (cloudColors.length - 1)).round()).clamp(0, cloudColors.length - 1)];
|
||||
return Padding(
|
||||
padding: const EdgeInsets.symmetric(horizontal: 2, vertical: 1),
|
||||
child: Text(e.key, style: TextStyle(fontSize: fontSize, fontWeight: fontSize > 18 ? FontWeight.w700 : FontWeight.w500, color: c, height: 1.3)),
|
||||
);
|
||||
}).toList(),
|
||||
),
|
||||
]),
|
||||
);
|
||||
}
|
||||
|
||||
// ─── 12+13. 趣味统计 ──────────────────────────────────────────────────
|
||||
|
||||
Widget _buildFunStats(List<Movie> movies, List<Book> books, List<Note> notes) {
|
||||
final colors = Theme.of(context).colorScheme;
|
||||
final allItems = [...movies.map((m) => m.createdAt), ...books.map((b) => b.createdAt), ...notes.map((n) => n.createdAt)];
|
||||
if (allItems.isEmpty) return const SizedBox.shrink();
|
||||
|
||||
// 观影马拉松
|
||||
final sortedDates = allItems.map((d) => DateTime(d.year, d.month, d.day)).toSet().toList()..sort();
|
||||
int maxStreak = 1, currentStreak = 1;
|
||||
for (int i = 1; i < sortedDates.length; i++) {
|
||||
if (sortedDates[i].difference(sortedDates[i - 1]).inDays == 1) {
|
||||
currentStreak++;
|
||||
maxStreak = math.max(maxStreak, currentStreak);
|
||||
} else {
|
||||
currentStreak = 1;
|
||||
}
|
||||
}
|
||||
|
||||
// 标签之最
|
||||
final tagCounts = <String, int>{};
|
||||
for (final m in movies) { for (final g in m.genres) { tagCounts[g] = (tagCounts[g] ?? 0) + 1; } }
|
||||
for (final b in books) { for (final g in b.genres) { tagCounts[g] = (tagCounts[g] ?? 0) + 1; } }
|
||||
for (final n in notes) { for (final t in n.tags) { tagCounts[t] = (tagCounts[t] ?? 0) + 1; } }
|
||||
final topTag = tagCounts.entries.isEmpty ? null : tagCounts.entries.reduce((a, b) => a.value >= b.value ? a : b);
|
||||
|
||||
return Row(
|
||||
children: [
|
||||
Expanded(
|
||||
child: _buildFunCard(Icons.local_fire_department_outlined, '连续记录', maxStreak > 1 ? '$maxStreak 天' : '-', '最长连续记录天数', const Color(0xFFFF8F00), colors),
|
||||
),
|
||||
const SizedBox(width: 12),
|
||||
Expanded(
|
||||
child: _buildFunCard(Icons.label_outlined, '最常用标签', topTag != null ? topTag.key : '-', topTag != null ? '使用 ${topTag.value} 次' : '', const Color(0xFF26A69A), colors),
|
||||
),
|
||||
],
|
||||
);
|
||||
}
|
||||
|
||||
Widget _buildFunCard(IconData icon, String label, String value, String sub, Color color, ColorScheme colors) {
|
||||
return Container(
|
||||
padding: const EdgeInsets.all(16),
|
||||
decoration: BoxDecoration(
|
||||
color: color.withValues(alpha: 0.06),
|
||||
borderRadius: BorderRadius.circular(14),
|
||||
),
|
||||
child: Column(
|
||||
crossAxisAlignment: CrossAxisAlignment.start,
|
||||
children: [
|
||||
Icon(icon, size: 22, color: color),
|
||||
const SizedBox(height: 10),
|
||||
Text(value, style: TextStyle(fontSize: 18, fontWeight: FontWeight.w700, color: color)),
|
||||
const SizedBox(height: 4),
|
||||
Text(label, style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.5))),
|
||||
if (sub.isNotEmpty) ...[
|
||||
const SizedBox(height: 2),
|
||||
Text(sub, style: TextStyle(fontSize: 10, color: colors.onSurface.withValues(alpha: 0.3))),
|
||||
],
|
||||
],
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
// ─── 通用卡片 ────────────────────────────────────────────────────────
|
||||
|
||||
Widget _buildCard({required String title, required Widget child}) {
|
||||
final colors = Theme.of(context).colorScheme;
|
||||
return Container(
|
||||
padding: const EdgeInsets.all(18),
|
||||
decoration: BoxDecoration(
|
||||
color: colors.surfaceContainerHigh,
|
||||
borderRadius: BorderRadius.circular(14),
|
||||
),
|
||||
child: Column(
|
||||
crossAxisAlignment: CrossAxisAlignment.start,
|
||||
children: [
|
||||
Row(
|
||||
children: [
|
||||
Container(width: 3, height: 14, decoration: BoxDecoration(color: colors.primary, borderRadius: BorderRadius.circular(2))),
|
||||
const SizedBox(width: 8),
|
||||
Text(title, style: TextStyle(fontSize: 14, fontWeight: FontWeight.w600, color: colors.onSurface)),
|
||||
],
|
||||
),
|
||||
const SizedBox(height: 16),
|
||||
child,
|
||||
],
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user