misskey/src/server/api/endpoints/notes/reactions.ts
2018-05-02 18:06:16 +09:00

58 lines
1.4 KiB
TypeScript

/**
* Module dependencies
*/
import $ from 'cafy'; import ID from '../../../../cafy-id';
import Note from '../../../../models/note';
import Reaction, { pack } from '../../../../models/note-reaction';
/**
* Show reactions of a note
*
* @param {any} params
* @param {any} user
* @return {Promise<any>}
*/
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');
// Get 'sort' parameter
const [sort = 'desc', sortError] = $.str.optional().or('desc asc').get(params.sort);
if (sortError) return rej('invalid sort param');
// Lookup note
const note = await Note.findOne({
_id: noteId
});
if (note === null) {
return rej('note not found');
}
// Issue query
const reactions = await Reaction
.find({
noteId: note._id,
deletedAt: { $exists: false }
}, {
limit: limit,
skip: offset,
sort: {
_id: sort == 'asc' ? 1 : -1
}
});
// Serialize
res(await Promise.all(reactions.map(async reaction =>
await pack(reaction, user))));
});