yumechi-no-kuni/src/server/api/endpoints/notes/conversation.ts

56 lines
1.3 KiB
TypeScript

import $ from 'cafy'; import ID from '../../../../misc/cafy-id';
import Note, { packMany, INote } from '../../../../models/note';
import { ILocalUser } from '../../../../models/user';
/**
* Show conversation of a note
*/
export default (params: any, user: ILocalUser) => new Promise(async (res, rej) => {
// Get 'noteId' parameter
const [noteId, noteIdErr] = $.type(ID).get(params.noteId);
if (noteIdErr) return rej('invalid noteId param');
// Get 'limit' parameter
const [limit = 10, limitErr] = $.num.optional.range(1, 100).get(params.limit);
if (limitErr) return rej('invalid limit param');
// Get 'offset' parameter
const [offset = 0, offsetErr] = $.num.optional.min(0).get(params.offset);
if (offsetErr) return rej('invalid offset param');
// Lookup note
const note = await Note.findOne({
_id: noteId
});
if (note === null) {
return rej('note not found');
}
const conversation: INote[] = [];
let i = 0;
async function get(id: any) {
i++;
const p = await Note.findOne({ _id: id });
if (i > offset) {
conversation.push(p);
}
if (conversation.length == limit) {
return;
}
if (p.replyId) {
await get(p.replyId);
}
}
if (note.replyId) {
await get(note.replyId);
}
// Serialize
res(await packMany(conversation, user));
});