80 lines
2.5 KiB
JavaScript
80 lines
2.5 KiB
JavaScript
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/*
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* /api/conversations
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* 守护: 铸渊 · ICE-GL-ZY001
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*
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* GET / → 列表 (按 updated_at desc)
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* POST / → 新建对话, 返回 {id, ...}
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* GET /:id/messages → 单对话 + 历史
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*/
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"use strict";
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const express = require("express");
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const crypto = require("crypto");
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const router = express.Router();
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function genConvId() {
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return "conv_" + crypto.randomBytes(8).toString("hex");
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}
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function isValidId(id) {
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return typeof id === "string" && /^conv_[0-9a-f]{16}$/.test(id);
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}
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router.get("/", (req, res) => {
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const rows = req.ctx.db
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.prepare("SELECT id, title, active_model, created_at, updated_at FROM conversations ORDER BY updated_at DESC LIMIT 200")
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.all();
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res.json({ items: rows.map((r) => ({ ...r, created_at: new Date(r.created_at).toISOString(), updated_at: new Date(r.updated_at).toISOString() })) });
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});
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router.post("/", (req, res) => {
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const body = req.body || {};
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let active = body.active_model;
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if (active !== "mother" && active !== "coder") active = "mother";
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let title = typeof body.title === "string" ? body.title.trim().slice(0, 64) : "";
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if (!title) title = "(新对话)";
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const id = genConvId();
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const now = Date.now();
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req.ctx.db
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.prepare(
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"INSERT INTO conversations (id, title, active_model, created_at, updated_at) VALUES (?, ?, ?, ?, ?)"
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)
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.run(id, title, active, now, now);
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res.status(201).json({
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id,
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title,
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active_model: active,
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created_at: new Date(now).toISOString(),
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updated_at: new Date(now).toISOString()
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});
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});
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router.get("/:id/messages", (req, res) => {
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const id = req.params.id;
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if (!isValidId(id)) {
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return res.status(400).json({ error: true, code: "bad_id", message: "对话 id 格式不合法" });
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}
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const conv = req.ctx.db
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.prepare("SELECT id, title, active_model, created_at, updated_at FROM conversations WHERE id = ?")
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.get(id);
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if (!conv) {
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return res.status(404).json({ error: true, code: "not_found", message: "对话不存在: " + id });
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}
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const rows = req.ctx.db
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.prepare("SELECT id, role, content, ts FROM messages WHERE conv_id = ? ORDER BY ts ASC, id ASC LIMIT 1000")
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.all(id);
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res.json({
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conversation: {
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...conv,
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created_at: new Date(conv.created_at).toISOString(),
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updated_at: new Date(conv.updated_at).toISOString()
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},
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items: rows.map((r) => ({ ...r, ts: new Date(r.ts).toISOString() }))
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});
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});
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module.exports = router;
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module.exports.isValidId = isValidId;
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module.exports.genConvId = genConvId;
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