tasks.js
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const express = require('express');
const router = express.Router();
const { TaskService } = require('../services/task-service');
const taskService = new TaskService();
// ── Task List 缓存 (10秒 TTL) ──
let _taskListCache = null;
let _taskListCacheTime = 0;
const TASK_LIST_CACHE_TTL = 10000;
// GET /api/tasks — 扫描获取系统中聚合的 Task 列表（含父子关系）
router.get('/', (req, res) => {
try {
if (_taskListCache && Date.now() - _taskListCacheTime < TASK_LIST_CACHE_TTL) {
return res.json(_taskListCache);
}
const tasks = taskService.getAggregatedTasks();
const taskList = tasks.map(t => ({
taskId: t.taskId,
title: t.title,
createdAt: t.createdAt,
updatedAt: t.updatedAt,
status: t.status,
from: t.from,
to: t.to,
parentTaskId: t.parentTaskId,
children: t.children,
isRoot: t.isRoot,
agents: t.agents,
// 批 5：会话数由 TaskService 直接给（原来这里自己取 t.conversations.length，
// 而 conversations 是会话反推那套的产物，已随之删除）
conversationCount: t.conversationCount,
}));
_taskListCache = taskList;
_taskListCacheTime = Date.now();
res.json(taskList);
} catch (err) {
res.status(500).json({ error: err.message });
}
});
// GET /api/tasks/:taskId/timeline — 获取跨 Agent 的所有 Timeline Log（含子任务）
router.get('/:taskId/timeline', (req, res) => {
try {
const includeChildren = req.query.children !== 'false';
const timeline = taskService.getTaskTimeline(req.params.taskId, includeChildren);
if (!timeline || timeline.length === 0) {
return res.status(404).json({ error: '找不到该任务相关的聊天记录。' });
}
res.json(timeline);
} catch (err) {
res.status(500).json({ error: err.message });
}
});
module.exports = router;