<?php
/*
 * Copyright (c) 2014 Mark C. Prins <mprins@users.sf.net>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

/**
 * DokuWiki Plugin spatialhelper (Admin Component).
 * This component purges and recreates the spatial index and sitemaps.
 *
 * @author Mark Prins
 */
class admin_plugin_spatialhelper_purge extends DokuWiki_Admin_Plugin {

    /**
     *
     * @see DokuWiki_Admin_Plugin::getMenuSort()
     */
    public function getMenuSort(): int {
        return 801;
    }

    public function getMenuIcon(): string {
        $plugin = $this->getPluginName();
        return DOKU_PLUGIN . $plugin . '/admin/purge.svg';
    }

    /**
     * purge and regenerate the index and sitemaps.
     *
     * @see DokuWiki_Admin_Plugin::handle()
     */
    public function handle(): void {
        if(isset ($_REQUEST ['purgeindex'])) {
            global $conf;
            $path = $conf ['indexdir'] . '/spatial.idx';
            if(file_exists($path) && unlink($path)) {
                msg($this->getLang('admin_purged_tiles'), 0);
            }
        }

        $indexer = plugin_load('helper', 'spatialhelper_index');
        $indexer->generateSpatialIndex();

        $sitemapper = plugin_load('helper', 'spatialhelper_sitemap');
        $sitemapper->createKMLSitemap($this->getConf('media_kml'));
        $sitemapper->createGeoRSSSitemap($this->getConf('media_georss'));
    }

    /**
     * render the form for this plugin.
     *
     * @see DokuWiki_Admin_Plugin::html()
     */
    public function html(): void {
        echo $this->locale_xhtml('admin_purge_intro');

        $form = new Doku_Form(
            array(
                'id'     => 'spatialhelper__purgeform',
                'method' => 'post'
            )
        );
        $form->addHidden('purgeindex', 'true');

        $form->addElement(
            form_makeButton(
                'submit', 'admin', $this->getLang('admin_submit'), array(
                            'title' => $this->getLang('admin_submit')
                        )
            )
        );
        $form->printForm();
    }
}