generated from dellevin/template
76 lines
2.1 KiB
Dart
76 lines
2.1 KiB
Dart
import 'dart:io';
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import 'package:file_picker/file_picker.dart';
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import 'package:flutter/material.dart';
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import 'package:path/path.dart' as p;
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import 'package:uuid/uuid.dart';
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import '../models/reader_book.dart';
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import '../providers/app_provider.dart';
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import '../utils/book_file_helper.dart';
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/// 书籍导入服务
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class BookImportService {
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static const allowedExtensions = ['epub', 'txt'];
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static Future<ReaderBook?> pickAndImportBook(
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BuildContext context,
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AppProvider provider,
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) async {
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final result = await FilePicker.platform.pickFiles(
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type: FileType.custom,
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allowedExtensions: allowedExtensions,
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allowMultiple: false,
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);
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if (result == null || result.files.isEmpty) return null;
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final platformFile = result.files.first;
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final sourcePath = platformFile.path;
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if (sourcePath == null) return null;
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final file = File(sourcePath);
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if (!await file.exists()) return null;
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final extension = p.extension(file.path).replaceAll('.', '').toLowerCase();
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if (!allowedExtensions.contains(extension)) {
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if (context.mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('不支持的格式：$extension')),
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);
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}
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return null;
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}
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final title = p.basenameWithoutExtension(platformFile.name);
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final helper = BookFileHelper.instance;
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final id = const Uuid().v4();
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// 清理文件名，去除特殊字符
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final safeName = platformFile.name.replaceAll(RegExp(r'[<>:"/\\|?*]'), '_');
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final destPath = await helper.bookFile(id, safeName);
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// 复制文件
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await file.copy(destPath);
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final now = DateTime.now();
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final readerBook = ReaderBook(
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id: id,
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title: title,
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fileName: platformFile.name,
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filePath: '$id/$safeName', // 相对路径
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fileExtension: extension,
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createdAt: now,
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updatedAt: now,
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);
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await provider.addReaderBook(readerBook);
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if (context.mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('「$title」导入成功')),
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);
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}
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return readerBook;
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}
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}
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