delete.php

<?php
// This file is part of Moodle - http://moodle.org/
//
// This program 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.
//
// This program 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/>.

/**
 * Called on object deletion
 *
 * @package    atto_edusharing
 * @copyright  metaVentis GmbH — http://metaventis.com
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

require_once(__DIR__ . '/../../../../../config.php');
require_once($CFG->dirroot . '/lib/setup.php');

require_login();
require_sesskey();

$coursecontext = context_course::instance($_GET['courseid']);
if (!has_capability('atto/edusharing:visible', $coursecontext)) {
    trigger_error(get_string('error_deleting_capability', 'editor_edusharing'), E_USER_WARNING);
    header('', true, 500);
    exit();
}

require_once($CFG->dirroot . '/mod/edusharing/lib.php');

$input = file_get_contents('php://input');
if (!$input) {
    throw new Exception(get_string('error_json', 'editor_edusharing'));
}

$delete = json_decode($input);
if (!$delete) {
    throw new Exception(get_string('error_json', 'editor_edusharing'));
}

$where = array(
    'id' => $delete->id,
    'course' => $delete->course,
);
$edusharing = $DB->get_record(EDUSHARING_TABLE, $where);
if (!$edusharing) {
    trigger_error(get_string('error_resource_not_found', 'editor_edusharing'), E_USER_WARNING);
    header('HTTP/1.1 404 Not found', true, 404);
    exit();
}

if (!edusharing_delete_instance($edusharing->id)) {
    trigger_error(get_string('error_deleting_instance', 'editor_edusharing'), E_USER_WARNING);
    header('', true, 500);
}