3a38c69521
主要变更： 1. 移除摇一摇相关功能代码与依赖 2. 新增自定义频道导入与管理功能 3. 优化iOS/macOS平台配置与适配 4. 重构路由转场逻辑为原生Cupertino风格 5. 修复设备发现与文件传输相关bug 6. 调整深色模式默认值为纯黑AMOLED 7. 新增运行模式标签与Spotlight搜索优化 8. 清理废弃的本地化字符串与设置项
119 lines
3.5 KiB
Dart
119 lines
3.5 KiB
Dart
// ============================================================
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// 闲言APP — 频道分享导出/导入服务
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// 创建时间: 2026-06-10
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// 更新时间: 2026-06-10
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// 作用: 导出频道配置+数据为JSON，导入分享的频道
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// 上次更新: 初始创建
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// ============================================================
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import 'dart:convert';
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import 'dart:io';
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import 'package:path_provider/path_provider.dart';
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import 'package:share_plus/share_plus.dart';
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import '../models/custom_channel.dart';
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import '../models/imported_sentence.dart';
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import '../models/share_data.dart';
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/// 分享导出服务
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class ShareExportService {
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static final ShareExportService _instance = ShareExportService._();
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factory ShareExportService() => _instance;
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ShareExportService._();
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/// 导出频道分享数据
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Future<String> exportChannel({
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required CustomChannel channel,
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required List<ImportedSentence> sentences,
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ShareMode mode = ShareMode.configWithData,
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ChannelAnalysis? analysis,
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}) async {
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final data = ChannelShareData(
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type: mode,
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channel: channel,
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data: mode == ShareMode.configWithData ? sentences : [],
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analysis: analysis ?? _generateAnalysis(sentences),
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);
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final jsonStr = const JsonEncoder.withIndent(' ')
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.convert(data.toJson());
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// 写入临时文件
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final dir = await getTemporaryDirectory();
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final fileName = 'xianyan_channel_${channel.id}.json';
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final file = File('${dir.path}/$fileName');
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await file.writeAsString(jsonStr);
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return file.path;
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}
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/// 通过系统分享
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Future<void> shareChannel({
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required CustomChannel channel,
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required List<ImportedSentence> sentences,
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ShareMode mode = ShareMode.configWithData,
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}) async {
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final filePath = await exportChannel(
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channel: channel,
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sentences: sentences,
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mode: mode,
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);
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await SharePlus.instance.share(ShareParams(
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files: [XFile(filePath)],
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text: '闲言频道: ${channel.name}',
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));
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}
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/// 导入频道分享数据
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Future<ChannelShareData?> importChannel(String filePath) async {
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try {
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final file = File(filePath);
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if (!await file.exists()) return null;
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final content = await file.readAsString();
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final json = jsonDecode(content) as Map<String, dynamic>;
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return ChannelShareData.fromJson(json);
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} catch (e) {
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return null;
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}
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}
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/// 生成内容分析
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ChannelAnalysis _generateAnalysis(List<ImportedSentence> sentences) {
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if (sentences.isEmpty) {
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return const ChannelAnalysis();
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}
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// 分类分布
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final categoryDist = <String, int>{};
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for (final s in sentences) {
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final cat = s.category.isEmpty ? '未分类' : s.category;
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categoryDist[cat] = (categoryDist[cat] ?? 0) + 1;
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}
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// 平均内容长度
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final avgLen = sentences
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.map((s) => s.content.length)
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.reduce((a, b) => a + b) /
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sentences.length;
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// 热门作者
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final authorCount = <String, int>{};
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for (final s in sentences) {
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if (s.author.isNotEmpty) {
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authorCount[s.author] = (authorCount[s.author] ?? 0) + 1;
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}
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}
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final topAuthors = authorCount.entries
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.toList()
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..sort((a, b) => b.value.compareTo(a.value));
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final top5 = topAuthors.take(5).map((e) => e.key).toList();
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return ChannelAnalysis(
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totalCount: sentences.length,
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categoryDistribution: categoryDist,
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qualityScore: 92, // 简化评分
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avgContentLength: avgLen.toInt(),
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topAuthors: top5,
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);
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}
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}
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