<?php

// This file is part of Moodle - http://moodle.org/
//
// Moodle 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 3 of the License, or
// (at your option) any later version.
//
// Moodle 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 Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 *
 * @package     mod_nextblocks
 * @copyright   2025 Rui Correia<rjr.correia@campus.fct.unl.pt>
 * @copyright   based on work by 2024 Duarte Pereira<dg.pereira@campus.fct.unl.pt>
 * @license     https://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die();

require_once(__DIR__ . '/backup_nextblocks_stepslib.php');

/**
 * Handles general settings for activity backup API.
 */
class backup_nextblocks_activity_task extends backup_activity_task {

    /**
     * No settings needed in this case.
     */
    protected function define_my_settings() {
    }


    /**
     * Defines the steps needed to backup.
     */
    protected function define_my_steps() {
        $this->add_step(new backup_nextblocks_activity_structure_step('nextblocks_structure', 'nextblocks.xml'));
    }

    /**
     * Encodes content links during backup
     */
    public static function encode_content_links($content) {
        global $CFG;
        $base = preg_quote($CFG->wwwroot, '/');

        $content = preg_replace(
            "/(".$base."\/mod\/nextblocks\/view.php\?id=)([0-9]+)/",
            '$@NEXTBLOCKSVIEWBYID*$2@$',
            $content
        );

        return $content;
    }
}
