import { z } from "zod";
import type { RegisterFn } from "../types.js";
import { jsonResponse, jsonError, rateLimit, isZodError, zodError } from "../../util/json_response.js";
import { requireWriteAccess } from "../../util/access.js";
export const registerCreatePost: RegisterFn = (server, ctx, opts) => {
if (!opts.allowWrites) return;
const schema = z.object({
topic_id: z.number().int().positive(),
raw: z.string().min(1).max(30000),
author_username: z.string().optional(),
});
server.registerTool(
"discourse_create_post",
{
title: "Create Post",
description: "Create a post in a topic. Returns JSON with id, topic_id, and post_number.",
inputSchema: schema.shape,
},
async (input, _extra) => {
try {
const { topic_id, raw, author_username } = schema.parse(input);
const accessError = requireWriteAccess(ctx.siteState, opts.allowWrites);
if (accessError) return accessError;
await rateLimit("post");
const { client } = ctx.siteState.ensureSelectedSite();
const payload: any = { topic_id, raw };
const headers: Record<string, string> = {};
if (author_username && author_username.length > 0) headers["Api-Username"] = author_username;
const data = (await client.post(`/posts.json`, payload, { headers })) as any;
return jsonResponse({
id: data?.id || data?.post?.id,
topic_id: data?.topic_id || topic_id,
post_number: data?.post_number || data?.post?.post_number,
});
} catch (e: unknown) {
if (isZodError(e)) return zodError(e);
const err = e as any;
return jsonError(`Failed to create post: ${err?.message || String(e)}`);
}
}
);
};
