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misskey/src/api/endpoints/users/recommendation.ts
2018-02-02 08:21:30 +09:00

49 lines
1.1 KiB
TypeScript

/**
* Module dependencies
*/
const ms = require('ms');
import $ from 'cafy';
import User from '../../models/user';
import { pack } from '../../models/user';
import getFriends from '../../common/get-friends';
/**
* Get recommended users
*
* @param {any} params
* @param {any} me
* @return {Promise<any>}
*/
module.exports = (params, me) => new Promise(async (res, rej) => {
// Get 'limit' parameter
const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
if (limitErr) return rej('invalid limit param');
// Get 'offset' parameter
const [offset = 0, offsetErr] = $(params.offset).optional.number().min(0).$;
if (offsetErr) return rej('invalid offset param');
// ID list of the user itself and other users who the user follows
const followingIds = await getFriends(me._id);
const users = await User
.find({
_id: {
$nin: followingIds
},
last_used_at: {
$gte: new Date(Date.now() - ms('7days'))
}
}, {
limit: limit,
skip: offset,
sort: {
followers_count: -1
}
});
// Serialize
res(await Promise.all(users.map(async user =>
await pack(user, me, { detail: true }))));
});