2016-12-28 23:49:51 +01:00
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'use strict';
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/**
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* Module dependencies
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*/
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import * as mongo from 'mongodb';
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import User from '../../models/user';
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import serialize from '../../serializers/user';
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2017-01-24 10:17:46 +01:00
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import config from '../../../conf';
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2016-12-28 23:49:51 +01:00
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const escapeRegexp = require('escape-regexp');
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/**
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* Search a user
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*
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* @param {Object} params
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* @param {Object} me
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* @return {Promise<object>}
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*/
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module.exports = (params, me) =>
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new Promise(async (res, rej) =>
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{
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// Get 'query' parameter
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let query = params.query;
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if (query === undefined || query === null || query.trim() === '') {
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return rej('query is required');
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}
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// Get 'offset' parameter
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let offset = params.offset;
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if (offset !== undefined && offset !== null) {
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offset = parseInt(offset, 10);
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} else {
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offset = 0;
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}
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// Get 'max' parameter
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let max = params.max;
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if (max !== undefined && max !== null) {
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max = parseInt(max, 10);
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// From 1 to 30
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if (!(1 <= max && max <= 30)) {
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return rej('invalid max range');
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}
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} else {
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max = 10;
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}
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// If Elasticsearch is available, search by it
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// If not, search by MongoDB
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(config.elasticsearch.enable ? byElasticsearch : byNative)
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(res, rej, me, query, offset, max);
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});
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// Search by MongoDB
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async function byNative(res, rej, me, query, offset, max) {
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const escapedQuery = escapeRegexp(query);
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// Search users
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const users = await User
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.find({
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$or: [{
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username_lower: new RegExp(escapedQuery.toLowerCase())
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}, {
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name: new RegExp(escapedQuery)
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}]
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2017-01-17 03:11:22 +01:00
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});
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2016-12-28 23:49:51 +01:00
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// Serialize
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res(await Promise.all(users.map(async user =>
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await serialize(user, me, { detail: true }))));
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}
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// Search by Elasticsearch
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async function byElasticsearch(res, rej, me, query, offset, max) {
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const es = require('../../db/elasticsearch');
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es.search({
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index: 'misskey',
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type: 'user',
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body: {
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size: max,
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from: offset,
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query: {
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simple_query_string: {
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fields: ['username', 'name', 'bio'],
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query: query,
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default_operator: 'and'
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}
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}
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}
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}, async (error, response) => {
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if (error) {
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console.error(error);
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return res(500);
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}
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if (response.hits.total === 0) {
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return res([]);
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}
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const hits = response.hits.hits.map(hit => new mongo.ObjectID(hit._id));
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const users = await User
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.find({
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_id: {
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$in: hits
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}
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2017-01-17 03:11:22 +01:00
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});
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2016-12-28 23:49:51 +01:00
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// Serialize
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res(await Promise.all(users.map(async user =>
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await serialize(user, me, { detail: true }))));
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});
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}
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