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<?php

/**
*
* @package phpBB3 SEO Sitemap
* @copyright (c) 2014 www.phpbb-work.ru
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*
*/

namespace shreddersitemapacp;

/**
* @package acp
*/
class sitemap_module
{
    /** @var phpbbcacheservice */
    protected $cache;

    /** @var phpbbconfigconfig */
    protected $config;

    /** @var phpbbdbdriverdriver_interface */
    protected $db;

    /** @var phpbbloglog */
    protected $log;

    /** @var phpbbrequestrequest */
    protected $request;

    /** @var phpbbtemplatetemplate */
    protected $template;

    /** @var phpbbuser */
    protected $user;

    /** @var string */
    protected $phpbb_root_path;

    /** @var string */
    protected $php_ext;

    /** @var ContainerInterface */
    protected $phpbb_container;

    /** @var string */
    public $u_action;

    function main($id, $mode)
    {
        global $cache, $config, $db, $request, $template, $user, $phpbb_root_path, $phpEx, $phpbb_container;

        $this->driver = $cache->get_driver();
        $this->config = $config;
        $this->config_text = $phpbb_container->get('config_text');
        $this->db = $db;
        $this->log = $phpbb_container->get('log');
        $this->request = $request;
        $this->template = $template;
        $this->user = $user;
        $this->phpbb_root_path = $phpbb_root_path;
        $this->php_ext = $phpEx;

        $this->tpl_name = 'acp_sitemap';
        $this->page_title = $this->user->lang['SEOMAP'];
        add_form_key('acp_seo_sitemap');
        $action = $this->request->variable('action', '');
        $error = array();

        $sitemap_url = generate_board_url() . '/sitemap.xml';

        if ($action == 'sync')
        {
            // Try to override limits
            @set_time_limit(0);
            $mem_limit = @ini_get('memory_limit');

            if (!empty($mem_limit))
            {
                $unit = strtolower(substr($mem_limit, -1, 1));
                $mem_limit = (int) $mem_limit;

                if ($unit == 'k')
                {
                    $mem_limit = floor($mem_limit / 1024);
                }
                else if ($unit == 'g')
                {
                    $mem_limit *= 1024;
                }
                else if (is_numeric($unit))
                {
                    $mem_limit = floor((int) ($mem_limit . $unit) / 1048576);
                }

                $mem_limit = max(128, $mem_limit) . 'M';
            }
            else
            {
                $mem_limit = '128M';
            }

            @ini_set('memory_limit', $mem_limit);

            $start = $this->request->variable('start', 0);

            // Limit updated posts to a specified value
            $limit = 5000;

            // Do the sync
            $sql = 'SELECT post_id FROM ' . POSTS_TABLE . '
                    ORDER BY post_id ASC';
            $result = $this->db->sql_query_limit($sql, $limit, $start);

            $post_ids = array();

            while ($row = $this->db->sql_fetchrow($result))
            {
                $post_ids[] = (int) $row['post_id'];
            }
            $this->db->sql_freeresult($result);

            if (sizeof($post_ids))
            {
                $upd_sql = 'UPDATE ' . POSTS_TABLE . ' SET post_modified =
                    CASE
                        WHEN post_time > post_edit_time THEN post_time
                        ELSE post_edit_time
                    END
                    WHERE ' . $this->db->sql_in_set('post_id', $post_ids) . '
                    AND post_modified = 0';
                $this->db->sql_query($upd_sql);
            }

            $sql = 'SELECT COUNT(post_id) AS postcount FROM ' . POSTS_TABLE;
            $result = $this->db->sql_query($sql, 3600);
            $count = (int) $this->db->sql_fetchfield('postcount');
            $this->db->sql_freeresult($result);

            if ($count > ($start + $limit))
            {
                $percent = round((($start + $limit) / $count) * 100, 2);
                $message = sprintf($this->user->lang['SEOMAP_SYNC_PROCESS'], $percent, ($start + $limit), $count);

                $next = $start + $limit;
                meta_refresh(1, append_sid("{$phpbb_root_path}adm/index.$phpEx?i=-shredder-sitemap-acp-sitemap_module&amp;action=sync&amp;start=$next"));

                trigger_error($message . '<br />');
            }
            else
            {
                $this->driver->destroy('_sitemap_seo_file');

                trigger_error(sprintf($this->user->lang['SEOMAP_SYNC_COMPLETE'], append_sid("{$phpbb_root_path}adm/index.$phpEx?i=-shredder-sitemap-acp-sitemap_module&amp;mode=settings")));
            }
        }
        else
        {
            $sql = 'SELECT 1 FROM ' . POSTS_TABLE . '
                WHERE post_modified = 0';
            $this->db->sql_query_limit($sql, 1);

            if ($this->db->sql_affectedrows())
            {
                $error[] = sprintf($this->user->lang['SEOMAP_SYNC_REQ'], append_sid("{$phpbb_root_path}adm/index.$phpEx?i=-shredder-sitemap-acp-sitemap_module&amp;action=sync"));
            }

            if ($this->request->is_set_post('submit'))
            {
                if (!check_form_key('acp_seo_sitemap'))
                {
                    trigger_error($this->user->lang['FORM_INVALID'] . adm_back_link($this->u_action), E_USER_WARNING);
                }

                $this->config->set('sitemap_seo_cache', max(0, $this->request->variable('sitemap_seo_cache', 0)));
                $this->config->set('sitemap_seo_url_limit', min(50000, max(1, $this->request->variable('sitemap_seo_url_limit', 0))));
                $this->config->set('sitemap_seo_batch_size', $this->request->variable('sitemap_seo_batch_size', $this->config['sitemap_seo_batch_size']));
                $this->config_text->set('sitemap_seo_excluded', implode(',', $this->request->variable('sitemap_seo_excluded', array(0))));
                $this->config->set('sitemap_seo_prior_0', min(1, max(0, $this->request->variable('sitemap_seo_prior_0', $this->config['sitemap_seo_prior_0']))));
                $this->config->set('sitemap_seo_prior_1', min(1, max(0, $this->request->variable('sitemap_seo_prior_1', $this->config['sitemap_seo_prior_1']))));
                $this->config->set('sitemap_seo_prior_2', min(1, max(0, $this->request->variable('sitemap_seo_prior_2', $this->config['sitemap_seo_prior_2']))));
                $this->config->set('sitemap_seo_prior_3', min(1, max(0, $this->request->variable('sitemap_seo_prior_3', $this->config['sitemap_seo_prior_3']))));
                $this->config->set('sitemap_seo_prior_4', min(1, max(0, $this->request->variable('sitemap_seo_prior_4', $this->config['sitemap_seo_prior_4']))));
                $this->config->set('sitemap_seo_prior_f', min(1, max(0, $this->request->variable('sitemap_seo_prior_f', $this->config['sitemap_seo_prior_f']))));
                $this->config->set('sitemap_seo_freq_0', $this->request->variable('sitemap_seo_freq_0', $this->config['sitemap_seo_freq_0']));
                $this->config->set('sitemap_seo_freq_1', $this->request->variable('sitemap_seo_freq_1', $this->config['sitemap_seo_freq_1']));
                $this->config->set('sitemap_seo_freq_2', $this->request->variable('sitemap_seo_freq_2', $this->config['sitemap_seo_freq_2']));
                $this->config->set('sitemap_seo_freq_3', $this->request->variable('sitemap_seo_freq_3', $this->config['sitemap_seo_freq_3']));
                $this->config->set('sitemap_seo_freq_4', $this->request->variable('sitemap_seo_freq_4', $this->config['sitemap_seo_freq_4']));
                $this->config->set('sitemap_seo_freq_f', $this->request->variable('sitemap_seo_freq_f', $this->config['sitemap_seo_freq_f']));

                $this->driver->destroy('_sitemap_seo_file');

                $this->log->add('admin', $this->user->data['user_id'], $this->user->ip, 'SEOMAP_SETTINGS_UPDATED');
                trigger_error($this->user->lang['SEOMAP_SAVED'] . adm_back_link($this->u_action));
            }
        }

        $this->template->assign_vars(array(
            'SEOMAP_VERSION'            => sprintf($this->user->lang['SEOMAP_VERSION'], '<strong>' . $this->config['sitemap_seo_version'] . '</strong>'),
            'SEOMAP_CACHE_TIME'            => $this->config['sitemap_seo_cache'],
            'SEOMAP_URL'                => sprintf($this->user->lang['SEOMAP_URL'], $sitemap_url, $sitemap_url),
            'SEOMAP_URL_COUNT'            => sprintf($this->user->lang['SEOMAP_URL_COUNT'], '<strong>' . $this->config['sitemap_seo_url_count'] . '</strong>'),
            'SEOMAP_URL_LIMIT'            => $this->config['sitemap_seo_url_limit'],
            'SEOMAP_BATCH_SIZE'            => $this->config['sitemap_seo_batch_size'],
            'SEOMAP_EXCLUDED_FORUMS'    => make_forum_select(explode(',', $this->config_text->get('sitemap_seo_excluded')), false, false, true),
            'SEOMAP_PRIORITY_0'            => $this->config['sitemap_seo_prior_0'],
            'SEOMAP_PRIORITY_1'            => $this->config['sitemap_seo_prior_1'],
            'SEOMAP_PRIORITY_2'            => $this->config['sitemap_seo_prior_2'],
            'SEOMAP_PRIORITY_3'            => $this->config['sitemap_seo_prior_3'],
            'SEOMAP_PRIORITY_4'            => $this->config['sitemap_seo_prior_4'],
            'SEOMAP_PRIORITY_F'            => $this->config['sitemap_seo_prior_f'],
            'SEOMAP_FREQ_0'                => $this->config['sitemap_seo_freq_0'],
            'SEOMAP_FREQ_1'                => $this->config['sitemap_seo_freq_1'],
            'SEOMAP_FREQ_2'                => $this->config['sitemap_seo_freq_2'],
            'SEOMAP_FREQ_3'                => $this->config['sitemap_seo_freq_3'],
            'SEOMAP_FREQ_4'                => $this->config['sitemap_seo_freq_4'],
            'SEOMAP_FREQ_F'                => $this->config['sitemap_seo_freq_f'],

            'ERROR_MSG'                => implode('<br />', $error),
            'S_ARTICLE'                    => defined('POST_ARTICLE'),
            'S_ERROR'            => (sizeof($error)) ? true : false,
            'U_ACTION'                    => $this->u_action,
        ));
    }
}