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<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/
namespace phpbb\db\migration\data\v30x;
class release_3_0_8_rc1 extends \phpbb\db\migration\migration
{
    public function effectively_installed()
    {
        return phpbb_version_compare($this->config['version'], '3.0.8-RC1', '>=');
    }
    static public function depends_on()
    {
        return array('\phpbb\db\migration\data\v30x\release_3_0_7_pl1');
    }
    public function update_data()
    {
        return array(
            array('custom', array(array(&$this, 'update_file_extension_group_names'))),
            array('custom', array(array(&$this, 'update_module_auth'))),
            array('custom', array(array(&$this, 'delete_orphan_shadow_topics'))),
            array('module.add', array(
                'acp',
                'ACP_MESSAGES',
                array(
                    'module_basename'    => 'acp_board',
                    'module_langname'    => 'ACP_POST_SETTINGS',
                    'module_mode'        => 'post',
                    'module_auth'        => 'acl_a_board',
                    'after'                => array('message', 'ACP_MESSAGE_SETTINGS'),
                ),
            )),
            array('config.add', array('load_unreads_search', 1)),
            array('config.update_if_equals', array(600, 'queue_interval', 60)),
            array('config.update_if_equals', array(50, 'email_package_size', 20)),
            array('config.update', array('version', '3.0.8-RC1')),
        );
    }
    public function update_file_extension_group_names()
    {
        // Update file extension group names to use language strings.
        $sql = 'SELECT lang_dir
            FROM ' . LANG_TABLE;
        $result = $this->db->sql_query($sql);
        $extension_groups_updated = array();
        while ($row = $this->db->sql_fetchrow($result))
        {
            if (empty($row['lang_dir']))
            {
                continue;
            }
            $lang_dir = basename($row['lang_dir']);
            // The language strings we need are either in language/.../acp/attachments.php
            // in the update package if we're updating to 3.0.8-RC1 or later,
            // or they are in language/.../install.php when we're updating from 3.0.7-PL1 or earlier.
            // On an already updated board, they can also already be in language/.../acp/attachments.php
            // in the board root.
            $lang_files = array(
                "{$this->phpbb_root_path}install/update/new/language/$lang_dir/acp/attachments.{$this->php_ext}",
                "{$this->phpbb_root_path}language/$lang_dir/install.{$this->php_ext}",
                "{$this->phpbb_root_path}language/$lang_dir/acp/attachments.{$this->php_ext}",
            );
            foreach ($lang_files as $lang_file)
            {
                if (!file_exists($lang_file))
                {
                    continue;
                }
                $lang = array();
                include($lang_file);
                foreach($lang as $lang_key => $lang_val)
                {
                    if (isset($extension_groups_updated[$lang_key]) || strpos($lang_key, 'EXT_GROUP_') !== 0)
                    {
                        continue;
                    }
                    $sql_ary = array(
                        'group_name'    => substr($lang_key, 10), // Strip off 'EXT_GROUP_'
                    );
                    $sql = 'UPDATE ' . EXTENSION_GROUPS_TABLE . '
                        SET ' . $this->db->sql_build_array('UPDATE', $sql_ary) . "
                        WHERE group_name = '" . $this->db->sql_escape($lang_val) . "'";
                    $this->sql_query($sql);
                    $extension_groups_updated[$lang_key] = true;
                }
            }
        }
        $this->db->sql_freeresult($result);
    }
    public function update_module_auth()
    {
        $sql = 'UPDATE ' . MODULES_TABLE . '
            SET module_auth = \'cfg_allow_avatar && (cfg_allow_avatar_local || cfg_allow_avatar_remote || cfg_allow_avatar_upload || cfg_allow_avatar_remote_upload)\'
            WHERE module_class = \'ucp\'
                AND module_basename = \'profile\'
                AND module_mode = \'avatar\'';
        $this->sql_query($sql);
    }
    public function delete_orphan_shadow_topics()
    {
        // Delete shadow topics pointing to not existing topics
        $batch_size = 500;
        // Set of affected forums we have to resync
        $sync_forum_ids = array();
        $sql_array = array(
            'SELECT'    => 't1.topic_id, t1.forum_id',
            'FROM'        => array(
                TOPICS_TABLE    => 't1',
            ),
            'LEFT_JOIN'    => array(
                array(
                    'FROM'    => array(TOPICS_TABLE    => 't2'),
                    'ON'    => 't1.topic_moved_id = t2.topic_id',
                ),
            ),
            'WHERE'        => 't1.topic_moved_id <> 0
                        AND t2.topic_id IS NULL',
        );
        $sql = $this->db->sql_build_query('SELECT', $sql_array);
        $result = $this->db->sql_query_limit($sql, $batch_size);
        $topic_ids = array();
        while ($row = $this->db->sql_fetchrow($result))
        {
            $topic_ids[] = (int) $row['topic_id'];
            $sync_forum_ids[(int) $row['forum_id']] = (int) $row['forum_id'];
        }
        $this->db->sql_freeresult($result);
        if (!empty($topic_ids))
        {
            $sql = 'DELETE FROM ' . TOPICS_TABLE . '
                WHERE ' . $this->db->sql_in_set('topic_id', $topic_ids);
            $this->db->sql_query($sql);
            // Sync the forums we have deleted shadow topics from.
            sync('forum', 'forum_id', $sync_forum_ids, true, true);
            return false;
        }
    }
}