316 lines
12 KiB
TypeScript
316 lines
12 KiB
TypeScript
'use client';
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import { Check, Trash2, X } from 'lucide-react';
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import { useEffect, useState } from 'react';
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import { createPortal } from 'react-dom';
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import { downloadDB, CompletedTask } from '@/lib/download-db';
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import { ConfirmDialog } from './ConfirmDialog';
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interface DownloadManagementPanelProps {
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isOpen: boolean;
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onClose: () => void;
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}
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export function DownloadManagementPanel({ isOpen, onClose }: DownloadManagementPanelProps) {
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const [completedTasks, setCompletedTasks] = useState<CompletedTask[]>([]);
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const [selectedIds, setSelectedIds] = useState<Set<string>>(new Set());
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const [isDeleting, setIsDeleting] = useState(false);
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const [mounted, setMounted] = useState(false);
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const [showConfirmDialog, setShowConfirmDialog] = useState(false);
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useEffect(() => {
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setMounted(true);
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}, []);
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useEffect(() => {
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if (isOpen) {
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loadCompletedTasks();
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}
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}, [isOpen]);
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const loadCompletedTasks = async () => {
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try {
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const tasks = await downloadDB.getCompletedTasks();
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setCompletedTasks(tasks);
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} catch (error) {
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console.error('加载已完成任务失败:', error);
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}
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};
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const handleSelectAll = () => {
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if (selectedIds.size === completedTasks.length) {
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setSelectedIds(new Set());
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} else {
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setSelectedIds(new Set(completedTasks.map(t => t.id)));
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}
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};
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const handleToggleSelect = (id: string) => {
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const newSet = new Set(selectedIds);
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if (newSet.has(id)) {
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newSet.delete(id);
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} else {
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newSet.add(id);
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}
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setSelectedIds(newSet);
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};
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const handleDelete = async () => {
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if (selectedIds.size === 0) return;
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setShowConfirmDialog(true);
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};
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const handleConfirmDelete = async () => {
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setShowConfirmDialog(false);
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setIsDeleting(true);
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try {
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// 获取要删除的任务
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const tasksToDelete = completedTasks.filter(t => selectedIds.has(t.id));
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//禁止SzeMeng76抄袭狗抄袭
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// 删除文件系统中的文件
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for (const task of tasksToDelete) {
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if (task.downloadMode === 'filesystem') {
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try {
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// 从 IndexedDB 读取目录句柄
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const dbName = 'MoonTVPlus';
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const storeName = 'dirHandles';
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const dirHandle = await new Promise<FileSystemDirectoryHandle | undefined>((resolve) => {
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const request = indexedDB.open(dbName, 2); // 使用版本 2
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request.onsuccess = (event) => {
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const db = (event.target as IDBOpenDBRequest).result;
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if (!db.objectStoreNames.contains(storeName)) {
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db.close();
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resolve(undefined);
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return;
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}
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const transaction = db.transaction([storeName], 'readonly');
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const store = transaction.objectStore(storeName);
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const getRequest = store.get('downloadDir');
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getRequest.onsuccess = () => {
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const handle = getRequest.result as FileSystemDirectoryHandle | undefined;
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db.close();
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resolve(handle);
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};
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getRequest.onerror = () => {
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db.close();
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resolve(undefined);
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};
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};
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request.onerror = () => {
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resolve(undefined);
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};
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});
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if (dirHandle) {
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// 请求写权限
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const permission = await (dirHandle as any).requestPermission({ mode: 'readwrite' });
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if (permission !== 'granted') {
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console.error('未获得写权限，无法删除文件');
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continue;
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}
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// 删除目录
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try {
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const sourceDirHandle = await dirHandle.getDirectoryHandle(task.source, { create: false });
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const videoIdDirHandle = await sourceDirHandle.getDirectoryHandle(task.videoId, { create: false });
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await videoIdDirHandle.removeEntry(`ep${task.episodeIndex + 1}`, { recursive: true });
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console.log('已删除文件:', task.source, task.videoId, `ep${task.episodeIndex + 1}`);
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} catch (deleteError) {
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console.error('删除目录失败:', deleteError);
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// 如果目录不存在，也算成功
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if ((deleteError as Error).name !== 'NotFoundError') {
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throw deleteError;
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}
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}
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}
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} catch (error) {
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console.error('删除文件失败:', task.title, error);
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}
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}
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}
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// 从数据库删除记录
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await downloadDB.deleteCompletedTasks(Array.from(selectedIds));
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await loadCompletedTasks();
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setSelectedIds(new Set());
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} catch (error) {
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console.error('删除任务失败:', error);
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alert('删除失败，请重试');
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} finally {
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setIsDeleting(false);
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}
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};
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const formatDate = (timestamp: number) => {
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const date = new Date(timestamp);
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return date.toLocaleString('zh-CN', {
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year: 'numeric',
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month: '2-digit',
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day: '2-digit',
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hour: '2-digit',
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minute: '2-digit',
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});
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};
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const formatFileSize = (bytes?: number) => {
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if (!bytes) return '未知';
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if (bytes < 1024) return bytes + ' B';
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if (bytes < 1024 * 1024) return (bytes / 1024).toFixed(2) + ' KB';
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if (bytes < 1024 * 1024 * 1024) return (bytes / (1024 * 1024)).toFixed(2) + ' MB';
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return (bytes / (1024 * 1024 * 1024)).toFixed(2) + ' GB';
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};
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if (!mounted || !isOpen) return null;
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return (
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<>
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{createPortal(
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<div className='fixed inset-0 z-[9999] flex items-center justify-center p-4'>
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<div
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className='absolute inset-0 bg-black/50'
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onClick={onClose}
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/>
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<div className='relative w-full max-w-4xl max-h-[90vh] bg-white dark:bg-gray-900 rounded-lg shadow-xl flex flex-col'>
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{/* Header */}
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<div className='flex items-center justify-between p-4 border-b border-gray-200 dark:border-gray-700'>
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<h2 className='text-xl font-semibold text-gray-800 dark:text-gray-200'>
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下载文件管理
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</h2>
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<button
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onClick={onClose}
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className='p-1 hover:bg-gray-100 dark:hover:bg-gray-800 rounded transition-colors'
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>
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<X className='w-5 h-5 text-gray-600 dark:text-gray-400' />
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</button>
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</div>
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{/* Toolbar */}
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<div className='flex items-center justify-between p-4 border-b border-gray-200 dark:border-gray-700'>
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<div className='flex items-center gap-4'>
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<label className='flex items-center gap-2 cursor-pointer'>
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<input
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type='checkbox'
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checked={selectedIds.size === completedTasks.length && completedTasks.length > 0}
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onChange={handleSelectAll}
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className='w-4 h-4'
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/>
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<span className='text-sm text-gray-700 dark:text-gray-300'>
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全选
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</span>
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</label>
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<span className='text-sm text-gray-500 dark:text-gray-400'>
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已选择 {selectedIds.size} / {completedTasks.length}
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</span>
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</div>
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<button
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onClick={handleDelete}
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disabled={selectedIds.size === 0 || isDeleting}
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className='px-4 py-2 text-sm bg-red-500 text-white rounded hover:bg-red-600 transition-colors disabled:opacity-50 disabled:cursor-not-allowed flex items-center gap-2'
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>
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<Trash2 className='w-4 h-4' />
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{isDeleting ? '删除中...' : '删除选中'}
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</button>
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</div>
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{/* Content */}
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<div className='flex-1 overflow-y-auto p-4'>
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{completedTasks.length === 0 ? (
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<div className='text-center py-12 text-gray-500 dark:text-gray-400'>
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暂无下载记录
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</div>
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) : (
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<div className='space-y-2'>
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{completedTasks.map((task) => (
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<div
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key={task.id}
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className={`p-4 border rounded-lg transition-colors cursor-pointer ${
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selectedIds.has(task.id)
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? 'border-green-500 bg-green-50 dark:bg-green-900/20'
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: 'border-gray-200 dark:border-gray-700 hover:bg-gray-50 dark:hover:bg-gray-800'
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}`}
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onClick={() => handleToggleSelect(task.id)}
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>
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<div className='flex items-start gap-3'>
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<div className='flex-shrink-0 mt-1'>
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<div className={`w-5 h-5 rounded border-2 flex items-center justify-center ${
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selectedIds.has(task.id)
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? 'border-green-500 bg-green-500'
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: 'border-gray-300 dark:border-gray-600'
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}`}>
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{selectedIds.has(task.id) && (
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<Check className='w-3 h-3 text-white' />
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)}
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</div>
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</div>
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<div className='flex-1 min-w-0'>
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<div className='flex items-start justify-between gap-2'>
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<div className='flex-1 min-w-0'>
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<h3 className='text-sm font-medium text-gray-800 dark:text-gray-200 truncate'>
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{task.title}
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</h3>
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{task.videoTitle && (
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<p className='text-xs text-gray-500 dark:text-gray-400 mt-1'>
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{task.videoTitle}
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</p>
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)}
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{task.episodeTitle && (
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<p className='text-xs text-gray-500 dark:text-gray-400'>
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{task.episodeTitle}
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</p>
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)}
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</div>
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<div className='flex-shrink-0 text-right'>
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<div className='text-xs text-gray-500 dark:text-gray-400'>
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{formatDate(task.completedAt)}
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</div>
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{task.fileSize && (
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<div className='text-xs text-gray-500 dark:text-gray-400 mt-1'>
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{formatFileSize(task.fileSize)}
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</div>
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)}
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</div>
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</div>
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<div className='flex items-center gap-2 mt-2 text-xs text-gray-500 dark:text-gray-400'>
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<span>来源: {task.source}</span>
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<span>•</span>
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<span>第 {task.episodeIndex + 1} 集</span>
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<span>•</span>
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<span>{task.downloadMode === 'filesystem' ? 'File System API' : '浏览器下载'}</span>
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</div>
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</div>
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</div>
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</div>
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))}
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</div>
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)}
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</div>
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</div>
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</div>,
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document.body
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)}
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<ConfirmDialog
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isOpen={showConfirmDialog}
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title='确认删除'
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message={`确定要删除选中的 ${selectedIds.size} 个下载记录吗？\n\n注意：如果是 File System API 下载的文件，将会从磁盘删除实际文件。`}
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confirmText='删除'
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cancelText='取消'
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variant='danger'
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onConfirm={handleConfirmDelete}
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onCancel={() => setShowConfirmDialog(false)}
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/>
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</>
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);
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}
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