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import $ from 'cafy';
import User, { pack, ILocalUser } from '../../../../models/user';
const escapeRegexp = require('escape-regexp');
/**
* Search a user by username
*/
export default (params: any, me: ILocalUser) => new Promise(async (res, rej) => {
// Get 'query' parameter
const [query, queryError] = $.str.get(params.query);
if (queryError) return rej('invalid query param');
// Get 'offset' parameter
const [offset = 0, offsetErr] = $.num.optional.min(0).get(params.offset);
if (offsetErr) return rej('invalid offset param');
// Get 'limit' parameter
const [limit = 10, limitErr] = $.num.optional.range(1, 100).get(params.limit);
if (limitErr) return rej('invalid limit param');
let users = await User
.find({
host: null,
usernameLower: new RegExp('^' + escapeRegexp(query.toLowerCase()))
}, {
limit: limit,
skip: offset
});
if (users.length < limit) {
const otherUsers = await User
.find({
host: { $ne: null },
usernameLower: new RegExp('^' + escapeRegexp(query.toLowerCase()))
}, {
limit: limit - users.length
});
users = users.concat(otherUsers);
}
if (users.length < limit) {
const otherUsers = await User
.find({
_id: { $nin: users.map(u => u._id) },
host: null,
usernameLower: new RegExp(escapeRegexp(query.toLowerCase()))
}, {
limit: limit - users.length
});
users = users.concat(otherUsers);
}
if (users.length < limit) {
const otherUsers = await User
.find({
_id: { $nin: users.map(u => u._id) },
host: { $ne: null },
usernameLower: new RegExp(escapeRegexp(query.toLowerCase()))
}, {
limit: limit - users.length
});
users = users.concat(otherUsers);
}
// Serialize
res(await Promise.all(users.map(user => pack(user, me, { detail: true }))));
});
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