bookbrainz/bookbrainz-site

/*
 * Copyright (C) 2023 Shivam Awasthi
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

import * as auth from '../helpers/auth';
import * as commonUtils from '../../common/helpers/utils';
import * as handler from '../helpers/handler';
import * as propHelpers from '../../client/helpers/props';
import * as search from '../../common/helpers/search';

import {snakeCase as _snakeCase, isNil} from 'lodash';
import {escapeProps, generateProps} from '../helpers/props';
import {getIntFromQueryParams, parseQuery} from '../helpers/utils';
import AdminPanelSearchPage from '../../client/components/pages/admin-panel-search';
import Layout from '../../client/containers/layout';
import {PrivilegeType} from '../../common/helpers/privileges-utils';
import React from 'react';
import ReactDOMServer from 'react-dom/server';
import express from 'express';
import target from '../templates/target';


const {ADMIN} = PrivilegeType;

type SearchResultsT = {
    initialResults: any,
    query: string,
    total?: number
};

const router = express.Router();

/**
 * Generates React markup for the search page that is rendered by the user's
 * browser.
 */
router.get('/', auth.isAuthenticated, auth.isAuthorized(ADMIN), async (req, res, next) => {
    const {orm} = req.app.locals;
    const type = 'editor';
    const urlQuery = parseQuery(req.url);
    const query = urlQuery.get('q') ?? '';
    const size = getIntFromQueryParams(urlQuery, 'size', 20);
    const from = getIntFromQueryParams(urlQuery, 'from');
    try {
        let searchResults: SearchResultsT = {
            initialResults: [],
            query,
            total: 0
        };
        if (query) {
            // get 1 more results to check nextEnabled
            const searchResponse = await search.searchByName(orm, query, _snakeCase(type), size + 1, from);
            const {results: entities} = searchResponse;
            searchResults = {
                initialResults: entities.filter(entity => !isNil(entity)),
                query
            };
        }

        const {newResultsArray, nextEnabled} = commonUtils.getNextEnabledAndResultsArray(searchResults.initialResults, size);
        searchResults.initialResults = newResultsArray;

        const props = generateProps(req, res, {
            from,
            hideSearch: true,
            nextEnabled,
            resultsPerPage: size,
            ...searchResults
        });
        const markup = ReactDOMServer.renderToString(
            <Layout {...propHelpers.extractLayoutProps(props)}>
                <AdminPanelSearchPage
                    user={props.user}
                    {...propHelpers.extractChildProps(props)}
                />
            </Layout>
        );

        return res.send(target({
            markup,
            props: escapeProps(props),
            script: '/js/adminPanel.js',
            title: 'Search Results'
        }));
    }
    catch (err) {
        return next(err);
    }
});

router.get('/search', auth.isAuthenticated, auth.isAuthorized(ADMIN), (req, res) => {
    const {orm} = req.app.locals;
    const query = req.query.q;
    const type = 'editor';

    const {size, from} = req.query;

    const searchPromise = search.searchByName(orm, query, _snakeCase(type), size, from);

    handler.sendPromiseResult(res, searchPromise);
});


export default router;