show.php

<?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/>.

/**
 * Show/hide icontent page
 *
 * @package    mod_icontent
 * @copyright  2015-2016 Leo Santos {@link http://github.com/leorenis}
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

use mod_icontent\local\icontent_info;

require(dirname(__FILE__).'/../../config.php');
require_once(dirname(__FILE__).'/locallib.php');

$id = required_param('id', PARAM_INT); // Course Module ID.
$pageid = required_param('pageid', PARAM_INT); // Page ID.

$cm = get_coursemodule_from_id('icontent', $id, 0, false, MUST_EXIST);
$course = $DB->get_record('course', ['id' => $cm->course], '*', MUST_EXIST);
$icontent = $DB->get_record('icontent', ['id' => $cm->instance], '*', MUST_EXIST);

require_login($course, false, $cm);
require_sesskey();

$context = context_module::instance($cm->id);
require_capability('mod/icontent:edit', $context);

$PAGE->set_url('/mod/icontent/show.php', ['id' => $id, 'pageid' => $pageid]);

$page = $DB->get_record('icontent_pages', ['id' => $pageid, 'icontentid' => $icontent->id], '*', MUST_EXIST);

// Switch hidden state.
$page->hidden = $page->hidden ? 0 : 1;

// Update record.
$DB->update_record('icontent_pages', $page);

icontent_info::icontent_preload_pages($icontent); // Fix structure.
$url = new moodle_url('/mod/icontent/view.php', ['id' => $cm->id]);
redirect($url);