misskey/src/server/api/endpoints/notes/replies.ts

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import $ from 'cafy'; import ID from '../../../../cafy-id';
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import Note, { pack } from '../../../../models/note';
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/**
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* Get replies of a note
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*/
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module.exports = (params, user) => new Promise(async (res, rej) => {
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// Get 'noteId' parameter
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const [noteId, noteIdErr] = $.type(ID).get(params.noteId);
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if (noteIdErr) return rej('invalid noteId param');
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// Get 'limit' parameter
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const [limit = 10, limitErr] = $.num.optional().range(1, 100).get(params.limit);
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if (limitErr) return rej('invalid limit param');
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// Get 'offset' parameter
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const [offset = 0, offsetErr] = $.num.optional().min(0).get(params.offset);
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if (offsetErr) return rej('invalid offset param');
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// Lookup note
const note = await Note.findOne({
_id: noteId
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});
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if (note === null) {
return rej('note not found');
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}
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const ids = (note._replyIds || []).slice(offset, offset + limit);
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// Serialize
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res(await Promise.all(ids.map(id => pack(id, user))));
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});