<?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/>.

/**
 * Configurable Reports
 * A Moodle block for creating customizable reports
 * @package blocks
 * @author: Juan leyva <http://www.twitter.com/jleyvadelgado>
 * @date: 2009
 */

require_once($CFG->dirroot.'/blocks/configurable_reports/plugin.class.php');

class plugin_courseparent extends plugin_base{

    public function init() {
        $this->fullname = get_string('courseparent', 'block_configurable_reports');
        $this->form = true;
        $this->reporttypes = array('courses');
    }

    public function summary($data) {
        global $DB;

        $course = $DB->get_record('course', array('id' => $data->courseid));
        if ($course) {
            return get_string('courseparent', 'block_configurable_reports').' '.(format_string($course->fullname));
        }
        return '';
    }

    // Data -> Plugin configuration data.
    public function execute($data, $user, $courseid) {
        global $DB;

        $finalcourses = array();
        if ($courses = $DB->get_records('course_meta', array('parent_course' => $data->courseid))) {
            foreach ($courses as $c) {
                $finalcourses[] = $c->child_course;
            }
        }
        return $finalcourses;
    }
}
