74 lines
2.8 KiB
JavaScript
74 lines
2.8 KiB
JavaScript
const express = require('express');
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const multer = require('multer');
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const path = require('path');
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const FormData = require('form-data');
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const app = express();
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const PORT = process.env.PORT || 3000;
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const API_KEY = process.env.API_KEY || '';
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const API_BASE = 'https://api.aillm.ru';
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const upload = multer({ storage: multer.memoryStorage() });
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// ====== Models ======
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const MODELS = {
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'gpt-oss-120b': { id: 'gpt-oss-120b', name: 'GPT-OSS-120B', desc: '120B reasoning model', temp: 0.7, tokens: 4096, system: 'Ты — полезный ассистент. Отвечай на том же языке, что и запрос.' },
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};
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// ====== Static ======
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app.use(express.static(path.join(__dirname, 'public')));
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app.use(express.json());
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// ====== Routes ======
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app.get('/healthz', (_req, res) => res.json({ status: 'ok' }));
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app.get('/api/profiles', (_req, res) => {
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res.json(Object.entries(MODELS).map(([id, m]) => ({ id, name: m.name, desc: m.desc })));
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});
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app.post('/api/whisper', upload.single('audio'), async (req, res) => {
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try {
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if (!req.file) return res.status(400).json({ error: 'No audio file' });
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const form = new FormData();
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form.append('file', req.file.buffer, { filename: 'audio.webm', contentType: req.file.mimetype || 'audio/webm' });
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form.append('model', 'whisper-large-v3-turbo');
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const r = await fetch(`${API_BASE}/v1/audio/transcriptions`, {
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method: 'POST', headers: { Authorization: `Bearer ${API_KEY}`, ...form.getHeaders() }, body: form,
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});
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const data = await r.json();
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res.json({ text: data.text || '' });
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} catch (e) {
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res.status(500).json({ error: e.message });
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}
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});
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app.post('/api/chat', async (req, res) => {
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try {
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const { model, message, history } = req.body;
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const m = MODELS[model];
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if (!m) return res.status(400).json({ error: 'Неизвестная модель' });
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const fullMessages = [
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{ role: 'system', content: m.system },
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...(history || []),
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{ role: 'user', content: message || 'Привет' },
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];
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// Обрезаем чтобы не выйти за лимит
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while (JSON.stringify(fullMessages).length > 32000 && fullMessages.length > 2)
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fullMessages.splice(1, 2);
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const r = await fetch(`${API_BASE}/v1/chat/completions`, {
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method: 'POST',
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headers: { Authorization: `Bearer ${API_KEY}`, 'Content-Type': 'application/json' },
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body: JSON.stringify({ model: m.id, temperature: m.temp, max_tokens: m.tokens, messages: fullMessages }),
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});
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const data = await r.json();
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res.json({ response: data.choices?.[0]?.message?.content || 'Нет ответа' });
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} catch (e) {
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res.status(500).json({ error: e.message });
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}
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});
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app.get('/', (_req, res) => res.sendFile(path.join(__dirname, 'public', 'index.html')));
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app.listen(PORT, () => console.log(`Say:${PORT}`)); |