import express from "express"; import multer from "multer"; import cors from "cors"; import fs from "fs"; import pdf from "pdf-parse"; const app = express(); app.use(cors()); app.use(express.json()); const upload = multer({ dest: "uploads/" }); let documents = {}; /* ===================== 📤 ЗАГРУЗКА ФАЙЛА ===================== */ app.post("/upload", upload.single("file"), async (req, res) => { const file = req.file; let text = fs.readFileSync(file.path, "utf-8"); // PDF обработка if (file.mimetype === "application/pdf") { const dataBuffer = fs.readFileSync(file.path); const pdfData = await pdf(dataBuffer); text = pdfData.text; } const docId = Date.now().toString(); documents[docId] = text; res.json({ docId }); }); /* ===================== 💬 ЧАТ С ДОКУМЕНТОМ ===================== */ app.post("/chat", async (req, res) => { const { docId, question } = req.body; const context = documents[docId]; if (!context) { return res.json({ answer: "Документ не найден" }); } // 👇 ЗАМЕНИ НА СВОЙ AI (Mace / OpenAI) const answer = "Я проанализировал документ: " + question; res.json({ answer }); }); app.listen(3000, () => { console.log("Server running on 3000"); });