2026-02-19 14:59:34 -08:00

80 lines
2.1 KiB
TypeScript

import { readFileSync, writeFileSync, existsSync, mkdirSync } from "node:fs";
import { join } from "node:path";
import { randomUUID } from "node:crypto";
import { resolveWebChatDir } from "@/lib/workspace";
export const dynamic = "force-dynamic";
export type WebSessionMeta = {
id: string;
title: string;
createdAt: number;
updatedAt: number;
messageCount: number;
/** When set, this session is scoped to a specific workspace file. */
filePath?: string;
};
function ensureDir() {
const dir = resolveWebChatDir();
if (!existsSync(dir)) {
mkdirSync(dir, { recursive: true });
}
return dir;
}
function readIndex(): WebSessionMeta[] {
const dir = ensureDir();
const indexFile = join(dir, "index.json");
if (!existsSync(indexFile)) {return [];}
try {
return JSON.parse(readFileSync(indexFile, "utf-8"));
} catch {
return [];
}
}
function writeIndex(sessions: WebSessionMeta[]) {
const dir = ensureDir();
writeFileSync(join(dir, "index.json"), JSON.stringify(sessions, null, 2));
}
/** GET /api/web-sessions — list web chat sessions.
* ?filePath=... → returns only sessions scoped to that file.
* No filePath → returns only global (non-file) sessions. */
export async function GET(req: Request) {
const url = new URL(req.url);
const filePath = url.searchParams.get("filePath");
const all = readIndex();
const sessions = filePath
? all.filter((s) => s.filePath === filePath)
: all.filter((s) => !s.filePath);
return Response.json({ sessions });
}
/** POST /api/web-sessions — create a new web chat session */
export async function POST(req: Request) {
const body = await req.json().catch(() => ({}));
const id = randomUUID();
const session: WebSessionMeta = {
id,
title: body.title || "New Chat",
createdAt: Date.now(),
updatedAt: Date.now(),
messageCount: 0,
...(body.filePath ? { filePath: body.filePath } : {}),
};
const sessions = readIndex();
sessions.unshift(session);
writeIndex(sessions);
// Create empty .jsonl file
const dir = ensureDir();
writeFileSync(join(dir, `${id}.jsonl`), "");
return Response.json({ session });
}