import $ from 'cafy'; import ID from '../../../../cafy-id'; import Note, { pack } from '../../../../models/note'; /** * Get replies of a note */ module.exports = (params, user) => 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 ids = note._replyIds.slice(offset, offset + limit); // Serialize res(await Promise.all(ids.map(id => pack(id, user)))); });