Files

422 lines
13 KiB
JavaScript

const express = require('express');
const WatchlistManager = require('../config/watchlist-manager');
const ResponseUtil = require('../utils/response');
const { defaultLogger } = require('../utils/logger');
const CacheConfigManager = require('../config/cache-config');
const WatchlistDatabase = require('../database/watchlist-database');
const router = express.Router();
const logger = defaultLogger.child('WatchlistRouter');
const watchlistManager = new WatchlistManager();
const cacheConfigManager = new CacheConfigManager();
let watchlistDb = null; // 延迟初始化
// 获取当前存储模式
async function getStorageMode() {
try {
await cacheConfigManager.initialize();
const config = await cacheConfigManager.loadConfig();
return config.watchlist?.storageMode === 'database' ? 'database' : 'json';
} catch (e) {
logger.warn('读取待看名单存储模式失败,回退到json:', e.message);
return 'json';
}
}
// 获取数据库适配器(复用Registry连接)
async function getDbAdapter(req) {
const dbm = req.backend?.databaseManager;
if (!dbm) return null;
if (!watchlistDb) {
watchlistDb = new WatchlistDatabase(dbm);
await watchlistDb.init();
}
return watchlistDb;
}
// 初始化待看名单
watchlistManager.initialize().catch(error => {
logger.error('待看名单初始化失败:', error);
});
/**
* 获取所有待看项目
* GET /api/watchlist
*/
router.get('/', async (req, res) => {
try {
const mode = await getStorageMode();
if (mode === 'database') {
const db = await getDbAdapter(req);
const items = await db.getAllItems();
return res.json(ResponseUtil.success(items));
}
const items = await watchlistManager.getAllItems();
res.json(ResponseUtil.success(items));
} catch (error) {
logger.error('获取待看名单失败:', error);
res.status(500).json(ResponseUtil.error(error.message));
}
});
/**
* 添加待看项目
* POST /api/watchlist
*/
router.post('/', async (req, res) => {
try {
const { url, title } = req.body;
if (!url) {
return res.status(400).json(ResponseUtil.error('URL是必填项'));
}
// 如果没有提供标题,尝试从URL生成默认标题
let defaultTitle = title;
if (!defaultTitle) {
try {
// 从URL路径生成默认标题
const urlObj = new URL(url);
const pathSegments = urlObj.pathname.split('/').filter(segment => segment);
if (pathSegments.length >= 1) {
const type = pathSegments[0]; // 例如 "artist" 或 "artwork"
if (pathSegments.length >= 2) {
const id = pathSegments[1];
if (type === 'artist') {
defaultTitle = `作者 ${id}`;
} else if (type === 'artwork') {
defaultTitle = `作品 ${id}`;
} else if (type === 'search') {
// 处理搜索页面
const keywordMatch = urlObj.search.match(/keyword=([^&]+)/);
if (keywordMatch) {
defaultTitle = `搜索: ${decodeURIComponent(keywordMatch[1])}`;
} else {
defaultTitle = '搜索页面';
}
} else {
defaultTitle = `${type} ${id}`;
}
// 如果有页面参数,加上页面信息
if (urlObj.search.includes('page=')) {
const pageMatch = urlObj.search.match(/page=(\d+)/);
if (pageMatch) {
defaultTitle += ` - 第${pageMatch[1]}页`;
}
}
} else {
// 只有一级路径的情况
switch (type) {
case 'search':
const keywordMatch = urlObj.search.match(/keyword=([^&]+)/);
if (keywordMatch) {
defaultTitle = `搜索: ${decodeURIComponent(keywordMatch[1])}`;
} else {
defaultTitle = '搜索页面';
}
break;
case 'ranking':
const modeMatch = urlObj.search.match(/mode=([^&]+)/);
if (modeMatch) {
const modeMap = { day: '日榜', week: '周榜', month: '月榜' };
defaultTitle = `排行榜 - ${modeMap[modeMatch[1]] || modeMatch[1]}`;
} else {
defaultTitle = '排行榜';
}
break;
case 'bookmarks':
defaultTitle = '我的收藏';
break;
case 'artists':
defaultTitle = '作者管理';
break;
case 'downloads':
defaultTitle = '下载管理';
break;
case 'repository':
defaultTitle = '仓库管理';
break;
default:
defaultTitle = `${type}页面`;
}
}
} else {
defaultTitle = '首页';
}
} catch (error) {
// 如果URL解析失败,使用简单的默认标题
defaultTitle = '待看页面';
}
}
const item = { url, title: defaultTitle };
const mode = await getStorageMode();
if (mode === 'database') {
const db = await getDbAdapter(req);
const items = await db.addItem(item);
return res.json(ResponseUtil.success(items));
}
const items = await watchlistManager.addItem(item);
res.json(ResponseUtil.success(items));
} catch (error) {
logger.error('添加待看项目失败:', error);
res.status(500).json(ResponseUtil.error(error.message));
}
});
/**
* 更新待看名单存储配置(仅切换,不做迁移)
* PUT /api/watchlist/config
* body: { storageMode: 'json' | 'database' }
*
* 注意:必须放在 PUT '/:id' 之前,避免被动态路由拦截!
*/
router.put('/config', async (req, res) => {
try {
const { storageMode } = req.body;
if (!['json', 'database'].includes(storageMode)) {
return res.status(400).json(ResponseUtil.error('存储模式必须是 json 或 database'));
}
// 更新配置
const current = await cacheConfigManager.loadConfig();
const updated = await cacheConfigManager.updateConfig({
...current,
watchlist: { ...(current.watchlist || {}), storageMode }
});
// 如果切换到数据库模式,确保表已初始化(复用 Registry 的连接)
if (storageMode === 'database' && req.backend?.databaseManager) {
const db = await getDbAdapter(req);
await db.init();
}
res.json(ResponseUtil.success({ storageMode: updated.watchlist?.storageMode || 'json' }));
} catch (error) {
logger.error('更新待看名单配置失败:', error);
res.status(500).json(ResponseUtil.error(error.message));
}
});
/**
* 更新待看项目
* PUT /api/watchlist/:id
*/
router.put('/:id', async (req, res) => {
try {
const { id } = req.params;
const updates = req.body;
// 移除不应该被更新的字段
delete updates.id;
delete updates.createdAt;
const mode = await getStorageMode();
if (mode === 'database') {
const db = await getDbAdapter(req);
const updatedItem = await db.updateItem(id, updates);
return res.json(ResponseUtil.success(updatedItem));
}
const updatedItem = await watchlistManager.updateItem(id, updates);
res.json(ResponseUtil.success(updatedItem));
} catch (error) {
logger.error('更新待看项目失败:', error);
if (error.message === '待看项目不存在') {
res.status(404).json(ResponseUtil.error(error.message));
} else {
res.status(500).json(ResponseUtil.error(error.message));
}
}
});
/**
* 删除待看项目
* DELETE /api/watchlist/:id
*/
router.delete('/:id', async (req, res) => {
try {
const { id } = req.params;
const mode = await getStorageMode();
if (mode === 'database') {
const db = await getDbAdapter(req);
const items = await db.removeItem(id);
return res.json(ResponseUtil.success(items));
}
const items = await watchlistManager.removeItem(id);
res.json(ResponseUtil.success(items));
} catch (error) {
logger.error('删除待看项目失败:', error);
if (error.message === '待看项目不存在') {
res.status(404).json(ResponseUtil.error(error.message));
} else {
res.status(500).json(ResponseUtil.error(error.message));
}
}
});
/**
* 导出待看名单
* GET /api/watchlist/export
*/
router.get('/export', async (req, res) => {
try {
const mode = await getStorageMode();
let exportItems = [];
if (mode === 'database') {
const db = await getDbAdapter(req);
exportItems = await db.getAllItems();
} else {
const data = await watchlistManager.readData();
exportItems = Array.isArray(data.items) ? data.items : [];
}
// 组装导出结构,向后兼容
const exportData = {
version: '1.0',
exportTime: new Date().toISOString(),
items: exportItems
};
res.setHeader('Content-Type', 'application/json');
res.setHeader('Content-Disposition', 'attachment; filename="watchlist.json"');
res.json(ResponseUtil.success(exportData));
} catch (error) {
logger.error('导出待看名单失败:', error);
res.status(500).json(ResponseUtil.error(error.message));
}
});
/**
* 导入待看名单
* POST /api/watchlist/import
* body: { watchlistData: { items: [...] }, importMode: 'merge' | 'overwrite' }
*/
router.post('/import', async (req, res) => {
try {
const { watchlistData, importMode = 'merge' } = req.body;
if (!watchlistData || !Array.isArray(watchlistData.items)) {
return res.status(400).json(ResponseUtil.error('缺少有效的待看名单数据'));
}
const normalizeItem = (item) => {
const now = new Date().toISOString();
return {
id: item.id?.toString() || Date.now().toString(),
title: item.title || '待看页面',
url: item.url,
createdAt: item.createdAt || now,
updatedAt: item.updatedAt || now
};
};
const importItems = watchlistData.items
.filter(i => i && i.url)
.map(normalizeItem);
let successCount = 0;
let skipCount = 0;
let errorCount = 0;
let deletedCount = 0;
const mode = await getStorageMode();
let updatedItems = [];
if (mode === 'database') {
const db = await getDbAdapter(req);
if (importMode === 'overwrite') {
// 覆盖:清空后批量插入
const before = await db.getAllItems();
deletedCount = before.length;
await db.clearAll();
await db.batchInsert(importItems);
successCount = importItems.length;
} else {
// 合并:按URL去重,仅新增不存在的
const existingUrlSet = await db.getExistingUrlSet();
const toInsert = [];
for (const item of importItems) {
try {
if (existingUrlSet.has(item.url)) {
skipCount++;
continue;
}
toInsert.push(item);
successCount++;
} catch (e) {
errorCount++;
}
}
await db.batchInsert(toInsert);
}
updatedItems = await db.getAllItems();
} else {
const currentData = await watchlistManager.readData();
const existingItems = Array.isArray(currentData.items) ? currentData.items : [];
if (importMode === 'overwrite') {
// 覆盖:直接保存导入数据为新清单
deletedCount = existingItems.length;
const newData = { items: importItems, lastUpdated: new Date().toISOString() };
await watchlistManager.saveData(newData);
successCount = importItems.length;
} else {
// 合并:按URL去重,仅新增不存在的
const existingUrlSet = new Set(existingItems.map(i => i.url));
const merged = [...existingItems];
for (const item of importItems) {
try {
if (existingUrlSet.has(item.url)) {
skipCount++;
continue;
}
merged.push(item);
existingUrlSet.add(item.url);
successCount++;
} catch (e) {
errorCount++;
}
}
await watchlistManager.saveData({ items: merged, lastUpdated: new Date().toISOString() });
}
updatedItems = await watchlistManager.getAllItems();
}
const message = importMode === 'overwrite'
? `覆盖导入完成:删除 ${deletedCount} 项,成功添加 ${successCount} 项,失败 ${errorCount} 项`
: `重合导入完成:成功 ${successCount} 项,跳过 ${skipCount} 项,失败 ${errorCount} 项`;
res.json(ResponseUtil.success({
message,
stats: { successCount, skipCount, errorCount, deletedCount },
items: updatedItems
}));
} catch (error) {
logger.error('导入待看名单失败:', error);
res.status(500).json(ResponseUtil.error(error.message));
}
});
/**
* 获取待看名单存储配置
* GET /api/watchlist/config
*/
router.get('/config', async (req, res) => {
try {
const mode = await getStorageMode();
res.json(ResponseUtil.success({ storageMode: mode }));
} catch (error) {
logger.error('获取待看名单配置失败:', error);
res.status(500).json(ResponseUtil.error(error.message));
}
});
module.exports = router;