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search.js
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search.js
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'use strict';
const _ = require('lodash');
const meta = require('../meta');
const plugins = require('../plugins');
const db = require('../database');
const groups = require('../groups');
const utils = require('../utils');
module.exports = function (User) {
User.search = async function (data) {
const query = data.query || '';
const searchBy = data.searchBy || 'username';
const page = data.page || 1;
const uid = data.uid || 0;
const paginate = data.hasOwnProperty('paginate') ? data.paginate : true;
const startTime = process.hrtime();
let uids = [];
if (searchBy === 'ip') {
uids = await searchByIP(query);
} else if (searchBy === 'uid') {
uids = [query];
} else {
const searchMethod = data.findUids || findUids;
uids = await searchMethod(query, searchBy, data.hardCap);
}
uids = await filterAndSortUids(uids, data);
const result = await plugins.fireHook('filter:users.search', { uids: uids, uid: uid });
uids = result.uids;
const searchResult = {
matchCount: uids.length,
};
if (paginate) {
const resultsPerPage = data.resultsPerPage || meta.config.userSearchResultsPerPage;
const start = Math.max(0, page - 1) * resultsPerPage;
const stop = start + resultsPerPage;
searchResult.pageCount = Math.ceil(uids.length / resultsPerPage);
uids = uids.slice(start, stop);
}
const userData = await User.getUsers(uids, uid);
searchResult.timing = (process.elapsedTimeSince(startTime) / 1000).toFixed(2);
searchResult.users = userData.filter(user => user && user.uid > 0);
return searchResult;
};
async function findUids(query, searchBy, hardCap) {
if (!query) {
return [];
}
query = String(query).toLowerCase();
const min = query;
const max = query.substr(0, query.length - 1) + String.fromCharCode(query.charCodeAt(query.length - 1) + 1);
const resultsPerPage = meta.config.userSearchResultsPerPage;
hardCap = hardCap || resultsPerPage * 10;
const data = await db.getSortedSetRangeByLex(searchBy + ':sorted', min, max, 0, hardCap);
const uids = data.map(data => data.split(':').pop());
return uids;
}
async function filterAndSortUids(uids, data) {
uids = uids.filter(uid => parseInt(uid, 10));
const fields = [];
if (data.sortBy) {
fields.push(data.sortBy);
}
if (data.onlineOnly) {
fields.push('status', 'lastonline');
}
if (data.bannedOnly) {
fields.push('banned');
}
if (data.flaggedOnly) {
fields.push('flags');
}
if (data.groupName) {
const isMembers = await groups.isMembers(uids, data.groupName);
uids = uids.filter((uid, index) => isMembers[index]);
}
if (!fields.length) {
return uids;
}
fields.push('uid');
let userData = await User.getUsersFields(uids, fields);
if (data.onlineOnly) {
userData = userData.filter(user => user.status !== 'offline' && (Date.now() - user.lastonline < 300000));
}
if (data.bannedOnly) {
userData = userData.filter(user => user.banned);
}
if (data.flaggedOnly) {
userData = userData.filter(user => parseInt(user.flags, 10) > 0);
}
if (data.sortBy) {
sortUsers(userData, data.sortBy);
}
return userData.map(user => user.uid);
}
function sortUsers(userData, sortBy) {
if (!userData || !userData.length) {
return;
}
const isNumeric = utils.isNumber(userData[0][sortBy]);
if (isNumeric) {
userData.sort((u1, u2) => u2[sortBy] - u1[sortBy]);
} else {
userData.sort(function (u1, u2) {
if (u1[sortBy] < u2[sortBy]) {
return -1;
} else if (u1[sortBy] > u2[sortBy]) {
return 1;
}
return 0;
});
}
}
async function searchByIP(ip) {
const ipKeys = await db.scan({ match: 'ip:' + ip + '*' });
const uids = await db.getSortedSetRevRange(ipKeys, 0, -1);
return _.uniq(uids);
}
};