58 lines
1.2 KiB
TypeScript
58 lines
1.2 KiB
TypeScript
/**
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* Module dependencies
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*/
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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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* Show conversation 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
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const note = await Note.findOne({
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_id: noteId
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});
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if (note === null) {
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return rej('note not found');
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}
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const conversation = [];
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let i = 0;
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async function get(id) {
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i++;
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const p = await Note.findOne({ _id: id });
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if (i > offset) {
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conversation.push(p);
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}
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if (conversation.length == limit) {
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return;
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}
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if (p.replyId) {
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await get(p.replyId);
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}
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}
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if (note.replyId) {
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await get(note.replyId);
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}
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// Serialize
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res(await Promise.all(conversation.map(note => pack(note, user))));
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});
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