1164 lines
27 KiB
JavaScript
1164 lines
27 KiB
JavaScript
const express = require('express');
|
|
const router = express.Router();
|
|
const DownloadService = require('../services/download');
|
|
const { defaultLogger } = require('../utils/logger');
|
|
|
|
// 创建logger实例
|
|
const logger = defaultLogger.child('DownloadRouter');
|
|
|
|
|
|
/**
|
|
* 下载单个作品
|
|
* POST /api/download/artwork/:id
|
|
*/
|
|
router.post('/artwork/:id', async (req, res) => {
|
|
try {
|
|
const { id } = req.params;
|
|
const {
|
|
size = 'original',
|
|
quality = 'high',
|
|
format = 'auto',
|
|
skipExisting = true
|
|
} = req.body;
|
|
|
|
if (!id || isNaN(parseInt(id))) {
|
|
return res.status(400).json({
|
|
success: false,
|
|
error: 'Invalid artwork ID'
|
|
});
|
|
}
|
|
|
|
const downloadService = req.backend.getDownloadService();
|
|
const result = await downloadService.downloadArtwork(parseInt(id), {
|
|
size,
|
|
quality,
|
|
format,
|
|
skipExisting
|
|
});
|
|
|
|
if (result.success) {
|
|
res.json({
|
|
success: true,
|
|
data: result.data
|
|
});
|
|
} else {
|
|
res.status(400).json({
|
|
success: false,
|
|
error: result.error
|
|
});
|
|
}
|
|
} catch (error) {
|
|
logger.error('下载路由错误:', error);
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 批量下载作品
|
|
* POST /api/download/artworks
|
|
*/
|
|
router.post('/artworks', async (req, res) => {
|
|
try {
|
|
const {
|
|
artworkIds,
|
|
size = 'original',
|
|
quality = 'high',
|
|
format = 'auto',
|
|
concurrent = 3
|
|
} = req.body;
|
|
|
|
if (!artworkIds || !Array.isArray(artworkIds) || artworkIds.length === 0) {
|
|
return res.status(400).json({
|
|
success: false,
|
|
error: 'Artwork IDs array is required'
|
|
});
|
|
}
|
|
|
|
if (artworkIds.length > 50) {
|
|
return res.status(400).json({
|
|
success: false,
|
|
error: 'Maximum 50 artworks can be downloaded at once'
|
|
});
|
|
}
|
|
|
|
const downloadService = req.backend.getDownloadService();
|
|
const result = await downloadService.downloadMultipleArtworks(artworkIds, {
|
|
size,
|
|
quality,
|
|
format,
|
|
concurrent: parseInt(concurrent)
|
|
});
|
|
|
|
if (result.success) {
|
|
res.json({
|
|
success: true,
|
|
data: result.data
|
|
});
|
|
} else {
|
|
res.status(400).json({
|
|
success: false,
|
|
error: result.error
|
|
});
|
|
}
|
|
} catch (error) {
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 下载作者作品
|
|
* POST /api/download/artist/:id
|
|
*/
|
|
router.post('/artist/:id', async (req, res) => {
|
|
try {
|
|
const { id } = req.params;
|
|
const {
|
|
type = 'art',
|
|
limit = 50,
|
|
size = 'original',
|
|
quality = 'high',
|
|
format = 'auto'
|
|
} = req.body;
|
|
|
|
if (!id || isNaN(parseInt(id))) {
|
|
return res.status(400).json({
|
|
success: false,
|
|
error: 'Invalid artist ID'
|
|
});
|
|
}
|
|
|
|
const downloadService = req.backend.getDownloadService();
|
|
const result = await downloadService.downloadArtistArtworks(parseInt(id), {
|
|
type,
|
|
limit: parseInt(limit),
|
|
size,
|
|
quality,
|
|
format
|
|
});
|
|
|
|
if (result.success) {
|
|
res.json({
|
|
success: true,
|
|
data: result.data
|
|
});
|
|
} else {
|
|
res.status(400).json({
|
|
success: false,
|
|
error: result.error
|
|
});
|
|
}
|
|
} catch (error) {
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 下载排行榜作品
|
|
* POST /api/download/ranking
|
|
*/
|
|
router.post('/ranking', async (req, res) => {
|
|
try {
|
|
const {
|
|
mode = 'day',
|
|
type = 'art',
|
|
limit = 50,
|
|
size = 'original',
|
|
quality = 'high',
|
|
format = 'auto'
|
|
} = req.body;
|
|
|
|
// 验证参数
|
|
if (!['day', 'week', 'month'].includes(mode)) {
|
|
return res.status(400).json({
|
|
success: false,
|
|
error: 'Invalid mode. Must be day, week, or month'
|
|
});
|
|
}
|
|
|
|
if (!['art', 'manga', 'novel'].includes(type)) {
|
|
return res.status(400).json({
|
|
success: false,
|
|
error: 'Invalid type. Must be art, manga, or novel'
|
|
});
|
|
}
|
|
|
|
const downloadService = req.backend.getDownloadService();
|
|
const result = await downloadService.downloadRankingArtworks({
|
|
mode,
|
|
type,
|
|
limit: parseInt(limit),
|
|
size,
|
|
quality,
|
|
format
|
|
});
|
|
|
|
if (result.success) {
|
|
res.json({
|
|
success: true,
|
|
data: result.data
|
|
});
|
|
} else {
|
|
res.status(400).json({
|
|
success: false,
|
|
error: result.error
|
|
});
|
|
}
|
|
} catch (error) {
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 获取任务进度
|
|
* GET /api/download/progress/:taskId
|
|
*/
|
|
router.get('/progress/:taskId', async (req, res) => {
|
|
try {
|
|
const { taskId } = req.params;
|
|
|
|
if (!taskId) {
|
|
return res.status(400).json({
|
|
success: false,
|
|
error: 'Task ID is required'
|
|
});
|
|
}
|
|
|
|
const downloadService = req.backend.getDownloadService();
|
|
const result = await downloadService.getTaskProgress(taskId);
|
|
|
|
if (result.success) {
|
|
res.json({
|
|
success: true,
|
|
data: result.data
|
|
});
|
|
} else {
|
|
res.status(404).json({
|
|
success: false,
|
|
error: result.error
|
|
});
|
|
}
|
|
} catch (error) {
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 获取所有任务
|
|
* GET /api/download/tasks
|
|
*/
|
|
router.get('/tasks', async (req, res) => {
|
|
try {
|
|
const downloadService = req.backend.getDownloadService();
|
|
const result = await downloadService.getAllTasks();
|
|
|
|
res.json({
|
|
success: true,
|
|
data: result.data
|
|
});
|
|
} catch (error) {
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 获取活跃任务（下载中或暂停）
|
|
* GET /api/download/tasks/active
|
|
*/
|
|
router.get('/tasks/active', async (req, res) => {
|
|
try {
|
|
const downloadService = req.backend.getDownloadService();
|
|
const result = await downloadService.getActiveTasks();
|
|
|
|
res.json({
|
|
success: true,
|
|
data: result.data
|
|
});
|
|
} catch (error) {
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 获取任务摘要（用于快速状态检查）
|
|
* GET /api/download/tasks/summary
|
|
*/
|
|
router.get('/tasks/summary', async (req, res) => {
|
|
try {
|
|
const downloadService = req.backend.getDownloadService();
|
|
const result = await downloadService.getTasksSummary();
|
|
|
|
res.json({
|
|
success: true,
|
|
data: result.data
|
|
});
|
|
} catch (error) {
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 获取任务变更（增量更新）
|
|
* GET /api/download/tasks/changes?since=timestamp
|
|
*/
|
|
router.get('/tasks/changes', async (req, res) => {
|
|
try {
|
|
const { since } = req.query;
|
|
const downloadService = req.backend.getDownloadService();
|
|
const result = await downloadService.getTasksChanges(since ? parseInt(since) : null);
|
|
|
|
res.json({
|
|
success: true,
|
|
data: result.data
|
|
});
|
|
} catch (error) {
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 获取已完成任务（分页）
|
|
* GET /api/download/tasks/completed?offset=0&limit=50
|
|
*/
|
|
router.get('/tasks/completed', async (req, res) => {
|
|
try {
|
|
const { offset = 0, limit = 50 } = req.query;
|
|
const downloadService = req.backend.getDownloadService();
|
|
const result = await downloadService.getCompletedTasks(parseInt(offset), parseInt(limit));
|
|
|
|
res.json({
|
|
success: true,
|
|
data: result.data
|
|
});
|
|
} catch (error) {
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 暂停任务
|
|
* POST /api/download/pause/:taskId
|
|
*/
|
|
router.post('/pause/:taskId', async (req, res) => {
|
|
try {
|
|
const { taskId } = req.params;
|
|
|
|
if (!taskId) {
|
|
return res.status(400).json({
|
|
success: false,
|
|
error: 'Task ID is required'
|
|
});
|
|
}
|
|
|
|
const downloadService = req.backend.getDownloadService();
|
|
const result = await downloadService.pauseTask(taskId);
|
|
|
|
if (result.success) {
|
|
res.json({
|
|
success: true,
|
|
message: '任务已暂停'
|
|
});
|
|
} else {
|
|
res.status(400).json({
|
|
success: false,
|
|
error: result.error
|
|
});
|
|
}
|
|
} catch (error) {
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 恢复任务
|
|
* POST /api/download/resume/:taskId
|
|
*/
|
|
router.post('/resume/:taskId', async (req, res) => {
|
|
try {
|
|
const { taskId } = req.params;
|
|
|
|
if (!taskId) {
|
|
return res.status(400).json({
|
|
success: false,
|
|
error: 'Task ID is required'
|
|
});
|
|
}
|
|
|
|
const downloadService = req.backend.getDownloadService();
|
|
const result = await downloadService.resumeTask(taskId);
|
|
|
|
if (result.success) {
|
|
res.json({
|
|
success: true,
|
|
data: result.data,
|
|
message: '任务已恢复'
|
|
});
|
|
} else {
|
|
res.status(400).json({
|
|
success: false,
|
|
error: result.error
|
|
});
|
|
}
|
|
} catch (error) {
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 暂停批量下载任务
|
|
* POST /api/download/batch/pause/:taskId
|
|
*/
|
|
router.post('/batch/pause/:taskId', async (req, res) => {
|
|
try {
|
|
const { taskId } = req.params;
|
|
|
|
if (!taskId) {
|
|
return res.status(400).json({
|
|
success: false,
|
|
error: 'Task ID is required'
|
|
});
|
|
}
|
|
|
|
const downloadService = req.backend.getDownloadService();
|
|
const result = await downloadService.pauseBatchTask(taskId);
|
|
|
|
if (result.success) {
|
|
res.json({
|
|
success: true,
|
|
message: '批量下载任务已暂停'
|
|
});
|
|
} else {
|
|
res.status(400).json({
|
|
success: false,
|
|
error: result.error
|
|
});
|
|
}
|
|
} catch (error) {
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 恢复批量下载任务
|
|
* POST /api/download/batch/resume/:taskId
|
|
*/
|
|
router.post('/batch/resume/:taskId', async (req, res) => {
|
|
try {
|
|
const { taskId } = req.params;
|
|
|
|
if (!taskId) {
|
|
return res.status(400).json({
|
|
success: false,
|
|
error: 'Task ID is required'
|
|
});
|
|
}
|
|
|
|
const downloadService = req.backend.getDownloadService();
|
|
const result = await downloadService.resumeBatchTask(taskId);
|
|
|
|
if (result.success) {
|
|
res.json({
|
|
success: true,
|
|
data: result.data,
|
|
message: '批量下载任务已恢复'
|
|
});
|
|
} else {
|
|
res.status(400).json({
|
|
success: false,
|
|
error: result.error
|
|
});
|
|
}
|
|
} catch (error) {
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 取消任务
|
|
* DELETE /api/download/cancel/:taskId
|
|
*/
|
|
router.delete('/cancel/:taskId', async (req, res) => {
|
|
try {
|
|
const { taskId } = req.params;
|
|
|
|
if (!taskId) {
|
|
return res.status(400).json({
|
|
success: false,
|
|
error: 'Task ID is required'
|
|
});
|
|
}
|
|
|
|
const downloadService = req.backend.getDownloadService();
|
|
const result = await downloadService.cancelTask(taskId);
|
|
|
|
if (result.success) {
|
|
res.json({
|
|
success: true,
|
|
message: '任务已取消'
|
|
});
|
|
} else {
|
|
res.status(400).json({
|
|
success: false,
|
|
error: result.error
|
|
});
|
|
}
|
|
} catch (error) {
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 获取下载历史
|
|
* GET /api/download/history
|
|
*/
|
|
router.get('/history', async (req, res) => {
|
|
try {
|
|
const { offset = 0, limit = 50 } = req.query;
|
|
|
|
const downloadService = req.backend.getDownloadService();
|
|
const result = await downloadService.getDownloadHistory(parseInt(offset), parseInt(limit));
|
|
|
|
res.json({
|
|
success: true,
|
|
data: result.data
|
|
});
|
|
} catch (error) {
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 获取下载的文件列表
|
|
* GET /api/download/files
|
|
*/
|
|
router.get('/files', async (req, res) => {
|
|
try {
|
|
const downloadService = req.backend.getDownloadService();
|
|
const files = await downloadService.getDownloadedFiles();
|
|
|
|
res.json({
|
|
success: true,
|
|
data: files
|
|
});
|
|
} catch (error) {
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 检查作品是否已下载
|
|
* GET /api/download/check/:artworkId
|
|
*/
|
|
router.get('/check/:artworkId', async (req, res) => {
|
|
try {
|
|
const { artworkId } = req.params;
|
|
|
|
if (!artworkId || isNaN(parseInt(artworkId))) {
|
|
return res.status(400).json({
|
|
success: false,
|
|
error: 'Invalid artwork ID'
|
|
});
|
|
}
|
|
|
|
const downloadService = req.backend.getDownloadService();
|
|
const isDownloaded = await downloadService.isArtworkDownloaded(parseInt(artworkId));
|
|
|
|
res.json({
|
|
success: true,
|
|
data: {
|
|
artwork_id: parseInt(artworkId),
|
|
is_downloaded: isDownloaded
|
|
}
|
|
});
|
|
} catch (error) {
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 获取已下载的作品ID列表
|
|
* GET /api/download/downloaded-ids
|
|
*/
|
|
router.get('/downloaded-ids', async (req, res) => {
|
|
try {
|
|
const downloadService = req.backend.getDownloadService();
|
|
const downloadedIds = await downloadService.getDownloadedArtworkIds();
|
|
|
|
res.json({
|
|
success: true,
|
|
data: downloadedIds
|
|
});
|
|
} catch (error) {
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 删除下载的文件
|
|
* DELETE /api/download/files
|
|
*/
|
|
router.delete('/files', async (req, res) => {
|
|
try {
|
|
const { artist, artwork } = req.body;
|
|
|
|
if (!artist || !artwork) {
|
|
return res.status(400).json({
|
|
success: false,
|
|
error: 'Artist and artwork names are required'
|
|
});
|
|
}
|
|
|
|
const downloadService = req.backend.getDownloadService();
|
|
const result = await downloadService.deleteDownloadedFiles(artist, artwork);
|
|
|
|
if (result.success) {
|
|
res.json({
|
|
success: true,
|
|
message: 'Files deleted successfully'
|
|
});
|
|
} else {
|
|
res.status(400).json({
|
|
success: false,
|
|
error: result.error
|
|
});
|
|
}
|
|
} catch (error) {
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* SSE端点 - 实时推送下载进度
|
|
* GET /api/download/stream/:taskId
|
|
*/
|
|
router.get('/stream/:taskId', (req, res) => {
|
|
const taskId = req.params.taskId;
|
|
|
|
logger.debug(`SSE连接建立: ${taskId}`, {
|
|
taskId,
|
|
clientIP: req.ip,
|
|
userAgent: req.get('User-Agent')
|
|
});
|
|
|
|
// 设置SSE响应头
|
|
res.writeHead(200, {
|
|
'Content-Type': 'text/event-stream',
|
|
'Cache-Control': 'no-cache',
|
|
'Connection': 'keep-alive',
|
|
'Access-Control-Allow-Origin': '*',
|
|
'Access-Control-Allow-Headers': 'Cache-Control'
|
|
});
|
|
|
|
// 发送初始连接确认
|
|
res.write('data: {"type":"connected","taskId":"' + taskId + '"}\n\n');
|
|
|
|
const downloadService = req.backend.getDownloadService();
|
|
|
|
// 创建进度监听器
|
|
const progressListener = (task) => {
|
|
try {
|
|
if (res.writableEnded || res.destroyed || isCleanedUp) {
|
|
logger.debug(`SSE连接已关闭，跳过发送: ${taskId}`);
|
|
return;
|
|
}
|
|
|
|
const data = JSON.stringify({
|
|
type: 'progress',
|
|
task: task
|
|
});
|
|
|
|
res.write(`data: ${data}\n\n`);
|
|
logger.debug(`SSE进度更新发送: ${taskId}`, {
|
|
status: task.status,
|
|
progress: task.progress,
|
|
completed: task.completed_files,
|
|
failed: task.failed_files
|
|
});
|
|
} catch (error) {
|
|
// 区分正常断开和异常错误
|
|
if (isNormalDisconnectError(error)) {
|
|
logger.debug(`SSE发送数据时连接正常断开: ${taskId}`, {
|
|
code: error.code,
|
|
message: error.message
|
|
});
|
|
} else {
|
|
logger.error(`SSE发送数据异常失败: ${taskId}`, {
|
|
error: error.message,
|
|
taskId
|
|
});
|
|
}
|
|
// 发送失败时移除监听器并清理连接
|
|
downloadService.removeProgressListener(taskId, progressListener);
|
|
cleanup('progress_send_error');
|
|
}
|
|
};
|
|
|
|
// 注册进度监听器
|
|
downloadService.addProgressListener(taskId, progressListener);
|
|
|
|
// 设置连接超时 - 增加到60秒，并添加心跳机制
|
|
let connectionTimeout;
|
|
let heartbeatInterval;
|
|
|
|
const resetTimeout = () => {
|
|
if (connectionTimeout) {
|
|
clearTimeout(connectionTimeout);
|
|
}
|
|
connectionTimeout = setTimeout(() => {
|
|
logger.info(`SSE连接超时，关闭连接: ${taskId}`);
|
|
cleanup('connection_timeout');
|
|
if (!res.writableEnded && !isCleanedUp) {
|
|
try {
|
|
res.write('data: {"type":"timeout"}\n\n');
|
|
res.end();
|
|
} catch (error) {
|
|
// 忽略写入已关闭连接的错误
|
|
logger.debug(`SSE连接已关闭，无法发送超时消息: ${taskId}`);
|
|
}
|
|
}
|
|
}, 60000); // 60秒超时
|
|
};
|
|
|
|
// 启动心跳机制
|
|
heartbeatInterval = setInterval(() => {
|
|
try {
|
|
if (!res.writableEnded && !res.destroyed && !isCleanedUp) {
|
|
res.write('data: {"type":"heartbeat"}\n\n');
|
|
resetTimeout(); // 心跳时重置超时
|
|
} else {
|
|
clearInterval(heartbeatInterval);
|
|
heartbeatInterval = null;
|
|
}
|
|
} catch (error) {
|
|
// 区分正常断开和异常错误
|
|
if (isNormalDisconnectError(error)) {
|
|
logger.debug(`SSE心跳发送时连接正常断开: ${taskId}`, {
|
|
code: error.code,
|
|
message: error.message
|
|
});
|
|
} else {
|
|
logger.warn(`SSE心跳发送异常失败: ${taskId}`, error);
|
|
}
|
|
clearInterval(heartbeatInterval);
|
|
heartbeatInterval = null;
|
|
cleanup('heartbeat_error');
|
|
}
|
|
}, 15000); // 每15秒发送心跳
|
|
|
|
resetTimeout();
|
|
|
|
// 连接状态跟踪
|
|
let isCleanedUp = false;
|
|
let isNormalDisconnect = false;
|
|
|
|
// 清理函数
|
|
const cleanup = (reason = 'unknown') => {
|
|
if (isCleanedUp) {
|
|
return; // 避免重复清理
|
|
}
|
|
isCleanedUp = true;
|
|
|
|
if (connectionTimeout) {
|
|
clearTimeout(connectionTimeout);
|
|
connectionTimeout = null;
|
|
}
|
|
if (heartbeatInterval) {
|
|
clearInterval(heartbeatInterval);
|
|
heartbeatInterval = null;
|
|
}
|
|
downloadService.removeProgressListener(taskId, progressListener);
|
|
logger.debug(`SSE连接清理完成: ${taskId}`, { reason });
|
|
};
|
|
|
|
// 判断是否为正常断开连接的错误
|
|
const isNormalDisconnectError = (error) => {
|
|
if (!error) return false;
|
|
|
|
// 常见的正常断开连接错误码
|
|
const normalErrorCodes = [
|
|
'ECONNRESET', // 连接被重置
|
|
'EPIPE', // 管道破裂
|
|
'ECONNABORTED', // 连接被中止
|
|
'ECANCELED' // 请求被取消
|
|
];
|
|
|
|
return normalErrorCodes.includes(error.code) ||
|
|
error.message === 'aborted' ||
|
|
error.message.includes('aborted');
|
|
};
|
|
|
|
// 监听客户端断开连接
|
|
req.on('close', () => {
|
|
isNormalDisconnect = true;
|
|
logger.debug(`SSE客户端断开连接: ${taskId}`);
|
|
cleanup('client_close');
|
|
});
|
|
|
|
req.on('error', (error) => {
|
|
if (isNormalDisconnectError(error)) {
|
|
// 正常断开连接，使用debug级别日志
|
|
logger.debug(`SSE客户端正常断开: ${taskId}`, {
|
|
code: error.code,
|
|
message: error.message
|
|
});
|
|
} else {
|
|
// 真正的异常错误，使用error级别日志
|
|
logger.error(`SSE请求异常错误: ${taskId}`, error);
|
|
}
|
|
cleanup('request_error');
|
|
});
|
|
|
|
res.on('error', (error) => {
|
|
if (isNormalDisconnectError(error)) {
|
|
// 正常断开连接，使用debug级别日志
|
|
logger.debug(`SSE响应正常断开: ${taskId}`, {
|
|
code: error.code,
|
|
message: error.message
|
|
});
|
|
} else {
|
|
// 真正的异常错误，使用error级别日志
|
|
logger.error(`SSE响应异常错误: ${taskId}`, error);
|
|
}
|
|
cleanup('response_error');
|
|
});
|
|
|
|
res.on('close', () => {
|
|
logger.debug(`SSE响应关闭: ${taskId}`);
|
|
cleanup('response_close');
|
|
});
|
|
|
|
// 检查任务状态，如果任务已完成则立即关闭连接
|
|
const task = downloadService.getTask(taskId);
|
|
if (task && ['completed', 'failed', 'cancelled', 'partial'].includes(task.status)) {
|
|
logger.debug(`任务已完成，关闭SSE连接: ${taskId}`, { status: task.status });
|
|
setTimeout(() => {
|
|
cleanup('task_completed');
|
|
if (!res.writableEnded && !isCleanedUp) {
|
|
try {
|
|
res.write(`data: {"type":"completed","status":"${task.status}"}\n\n`);
|
|
res.end();
|
|
} catch (error) {
|
|
// 忽略写入已关闭连接的错误
|
|
logger.debug(`SSE连接已关闭，无法发送完成消息: ${taskId}`);
|
|
}
|
|
}
|
|
}, 1000); // 延迟1秒关闭，确保最后的状态更新被发送
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 清理历史记录
|
|
* POST /api/download/cleanup/history
|
|
*/
|
|
router.post('/cleanup/history', async (req, res) => {
|
|
try {
|
|
const { keepCount = 500 } = req.body;
|
|
|
|
const downloadService = req.backend.getDownloadService();
|
|
const result = await downloadService.cleanupHistory(parseInt(keepCount));
|
|
|
|
res.json({
|
|
success: true,
|
|
data: result
|
|
});
|
|
} catch (error) {
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 清理已完成的任务
|
|
* POST /api/download/cleanup/tasks
|
|
*/
|
|
router.post('/cleanup/tasks', async (req, res) => {
|
|
try {
|
|
const { keepActive = true, keepCompleted = 100 } = req.body;
|
|
|
|
const downloadService = req.backend.getDownloadService();
|
|
const result = await downloadService.cleanupTasks(keepActive, parseInt(keepCompleted));
|
|
|
|
res.json({
|
|
success: true,
|
|
data: result
|
|
});
|
|
} catch (error) {
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 获取系统统计信息
|
|
* GET /api/download/stats
|
|
*/
|
|
router.get('/stats', async (req, res) => {
|
|
try {
|
|
const downloadService = req.backend.getDownloadService();
|
|
const result = await downloadService.getSystemStats();
|
|
|
|
res.json({
|
|
success: true,
|
|
data: result
|
|
});
|
|
} catch (error) {
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 导出下载注册表
|
|
* GET /api/download/registry/export
|
|
*/
|
|
router.get('/registry/export', async (req, res) => {
|
|
try {
|
|
const downloadService = req.backend.getDownloadService();
|
|
const registryData = await downloadService.downloadRegistry.exportRegistry();
|
|
|
|
res.setHeader('Content-Type', 'application/json');
|
|
res.setHeader('Content-Disposition', 'attachment; filename="download-registry.json"');
|
|
res.json(registryData);
|
|
} catch (error) {
|
|
logger.error('导出下载注册表失败:', error);
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 导入下载注册表
|
|
* POST /api/download/registry/import
|
|
*/
|
|
router.post('/registry/import', async (req, res) => {
|
|
try {
|
|
const { registryData } = req.body;
|
|
|
|
if (!registryData) {
|
|
return res.status(400).json({
|
|
success: false,
|
|
error: '缺少注册表数据'
|
|
});
|
|
}
|
|
|
|
const downloadService = req.backend.getDownloadService();
|
|
const result = await downloadService.downloadRegistry.importRegistry(registryData);
|
|
|
|
res.json({
|
|
success: true,
|
|
data: result
|
|
});
|
|
} catch (error) {
|
|
logger.error('导入下载注册表失败:', error);
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 手动全盘扫描更新注册表
|
|
* POST /api/download/registry/rebuild
|
|
*/
|
|
router.post('/registry/rebuild', async (req, res) => {
|
|
try {
|
|
const downloadService = req.backend.getDownloadService();
|
|
const fileManager = downloadService.fileManager;
|
|
const result = await downloadService.downloadRegistry.rebuildFromFileSystem(fileManager);
|
|
|
|
res.json({
|
|
success: true,
|
|
data: result
|
|
});
|
|
} catch (error) {
|
|
logger.error('重建下载注册表失败:', error);
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 获取下载注册表统计信息
|
|
* GET /api/download/registry/stats
|
|
*/
|
|
router.get('/registry/stats', async (req, res) => {
|
|
try {
|
|
const downloadService = req.backend.getDownloadService();
|
|
const stats = await downloadService.downloadRegistry.getStats();
|
|
|
|
res.json({
|
|
success: true,
|
|
data: stats
|
|
});
|
|
} catch (error) {
|
|
logger.error('获取下载注册表统计信息失败:', error);
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 清理下载注册表
|
|
* POST /api/download/registry/cleanup
|
|
*/
|
|
router.post('/registry/cleanup', async (req, res) => {
|
|
try {
|
|
const downloadService = req.backend.getDownloadService();
|
|
const fileManager = downloadService.fileManager;
|
|
const result = await downloadService.downloadRegistry.cleanupRegistry(fileManager);
|
|
|
|
res.json({
|
|
success: true,
|
|
data: result
|
|
});
|
|
} catch (error) {
|
|
logger.error('清理下载注册表失败:', error);
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 获取下载检测配置
|
|
* GET /api/download/registry/config
|
|
*/
|
|
router.get('/registry/config', async (req, res) => {
|
|
try {
|
|
const downloadService = req.backend.getDownloadService();
|
|
const config = await downloadService.cacheConfigManager.loadConfig();
|
|
|
|
// 提取下载相关的配置
|
|
const downloadConfig = {
|
|
useRegistryCheck: config.download?.useRegistryCheck !== false, // 默认启用
|
|
fallbackToScan: config.download?.fallbackToScan === true // 默认不启用
|
|
};
|
|
|
|
res.json({
|
|
success: true,
|
|
data: downloadConfig
|
|
});
|
|
} catch (error) {
|
|
logger.error('获取下载检测配置失败:', error);
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 更新下载检测配置
|
|
* PUT /api/download/registry/config
|
|
*/
|
|
router.put('/registry/config', async (req, res) => {
|
|
try {
|
|
const { useRegistryCheck, fallbackToScan } = req.body;
|
|
|
|
if (typeof useRegistryCheck !== 'boolean' || typeof fallbackToScan !== 'boolean') {
|
|
return res.status(400).json({
|
|
success: false,
|
|
error: '配置参数必须是布尔值'
|
|
});
|
|
}
|
|
|
|
const downloadService = req.backend.getDownloadService();
|
|
|
|
// 更新配置
|
|
const updatedConfig = await downloadService.cacheConfigManager.updateConfig({
|
|
download: {
|
|
useRegistryCheck,
|
|
fallbackToScan
|
|
}
|
|
});
|
|
|
|
res.json({
|
|
success: true,
|
|
data: {
|
|
useRegistryCheck: updatedConfig.download?.useRegistryCheck !== false,
|
|
fallbackToScan: updatedConfig.download?.fallbackToScan === true
|
|
}
|
|
});
|
|
} catch (error) {
|
|
logger.error('更新下载检测配置失败:', error);
|
|
res.status(500).json({
|
|
success: false,
|
|
error: error.message
|
|
});
|
|
}
|
|
});
|
|
|
|
module.exports = router; |