78 lines
3.7 KiB
JavaScript
78 lines
3.7 KiB
JavaScript
const express = require('express');
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const axios = require('axios');
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const { execSync } = require('child_process');
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const fs = require('fs');
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const Database = require('better-sqlite3');
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const { v4: uuidv4 } = require('uuid');
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const DEEPSEEK_KEY = 'sk-5bf0ac6628ff406eb37d5043b7c9220b';
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const db = new Database('/opt/zhuyuan/agent/conversations3.db');
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db.exec('CREATE TABLE IF NOT EXISTS convs (id TEXT PRIMARY KEY, title TEXT, ctime TEXT, utime TEXT)');
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db.exec('CREATE TABLE IF NOT EXISTS msgs (id INTEGER PRIMARY KEY AUTOINCREMENT, cid TEXT, role TEXT, content TEXT, ctime TEXT)');
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const app = express();
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app.use(express.json());
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app.use(express.static('/opt/zhuyuan/agent/public'));
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function raw(cmd){ try{ return execSync(cmd,{timeout:5000}).toString().trim() }catch(e){ return '?' } }
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function reality(){
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return {
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host: raw('hostname'),
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cpu: raw('top -bn1 | head -5 | head -c 200'),
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mem: raw('free -h'),
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disk: raw('df -h /'),
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pm2: raw('pm2 jlist 2>/dev/null | head -c 500')
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};
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}
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app.get('/api/convs',(req,res)=>{
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res.json(db.prepare('SELECT * FROM convs ORDER BY utime DESC').all());
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});
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app.post('/api/convs',(req,res)=>{
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const id=uuidv4();
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db.prepare("INSERT INTO convs VALUES(?,?,datetime('now'),datetime('now'))").run(id,'新对话');
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res.json({id});
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});
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app.get('/api/convs/:id',(req,res)=>{
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const c=db.prepare('SELECT * FROM convs WHERE id=?').get(req.params.id);
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if(!c)return res.status(404).json({e:'not found'});
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c.messages=db.prepare('SELECT role,content FROM msgs WHERE cid=? ORDER BY id ASC').all(req.params.id);
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res.json(c);
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});
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app.delete('/api/convs/:id',(req,res)=>{
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db.prepare('DELETE FROM msgs WHERE cid=?').run(req.params.id);
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db.prepare('DELETE FROM convs WHERE id=?').run(req.params.id);
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res.json({ok:1});
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});
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app.post('/api/chat',async(req,res)=>{
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const{conversation_id,message}=req.body;
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if(!message)return res.status(400).json({e:'no msg'});
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let cid=conversation_id||uuidv4();
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if(!conversation_id)db.prepare("INSERT INTO convs VALUES(?,?,datetime('now'),datetime('now'))").run(cid,'新对话');
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db.prepare("INSERT INTO msgs(cid,role,content,ctime) VALUES(?,'user',?,datetime('now'))").run(cid,message);
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const hist=db.prepare('SELECT role,content FROM msgs WHERE cid=? ORDER BY id DESC LIMIT 30').all(cid).reverse();
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const t=db.prepare('SELECT title FROM convs WHERE id=?').get(cid);
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if(t&&t.title==='新对话')db.prepare('UPDATE convs SET title=? WHERE id=?').run(message.slice(0,25),cid);
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const r=reality();
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const ctx='[Server Reality - '+r.host+']'+'\nCPU:\n'+r.cpu+'\nMemory:\n'+r.mem+'\nDisk:\n'+r.disk+'\nPM2:\n'+r.pm2;
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const sys='你是光湖团队技术助手，由铸渊ICE-GL-ZY001部署。技术主控Awen的AI助手。服务器: 冰朔6台+团队2台。广州是中枢(43.139.217.141)。每次回答时用户消息末尾会附带当前服务器真实采集数据，请基于真实数据回答，不要编造。';
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try{
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const resp=await axios.post('https://api.deepseek.com/v1/chat/completions',{
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model:'deepseek-chat',
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messages:[{role:'system',content:sys},...hist.slice(0,-1),{role:'user',content:message+'\n\n'+ctx}],
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temperature:0.5,max_tokens:2000
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},{headers:{'Authorization':'Bearer '+DEEPSEEK_KEY,'Content-Type':'application/json'}});
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const reply=resp.data.choices[0].message.content;
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db.prepare("INSERT INTO msgs(cid,role,content,ctime) VALUES(?,'assistant',?,datetime('now'))").run(cid,reply);
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db.prepare("UPDATE convs SET utime=datetime('now') WHERE id=?").run(cid);
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res.json({conversation_id:cid,reply,reality:r});
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}catch(e){res.status(500).json({e:'API:'+e.message})}
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});
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app.get('/api/reality',(req,res)=>res.json(reality()));
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app.get('/api/health',(req,res)=>res.json({ok:1}));
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app.listen(3940,'127.0.0.1',()=>console.log('Agent OK'));
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