moodle-local_mycerts/load_template.php

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<?php
// This file is part of the customcert module for 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/>.
/**
* Handles loading a customcert template.
*
* @package mod_customcert
* @copyright 2013 Mark Nelson <markn@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once('../../config.php');
$tid = required_param('tid', PARAM_INT);
$ltid = required_param('ltid', PARAM_INT); // The template to load.
$confirm = optional_param('confirm', 0, PARAM_INT);
$template = $DB->get_record('customcert_templates', array('id' => $tid), '*', MUST_EXIST);
$template = new \mod_customcert\template($template);
$loadtemplate = $DB->get_record('customcert_templates', array('id' => $ltid), '*', MUST_EXIST);
$loadtemplate = new \mod_customcert\template($loadtemplate);
if ($cm = $template->get_cm()) {
require_login($cm->course, false, $cm);
} else {
require_login();
}
$template->require_manage();
// Check that they have confirmed they wish to load the template.
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if ($confirm && confirm_sesskey()) {
// First, remove all the existing elements and pages.
$sql = "SELECT e.*
FROM {customcert_elements} e
INNER JOIN {customcert_pages} p
ON e.pageid = p.id
WHERE p.templateid = :templateid";
if ($elements = $DB->get_records_sql($sql, array('templateid' => $template->get_id()))) {
foreach ($elements as $element) {
// Get an instance of the element class.
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if ($e = \mod_customcert\element_factory::get_element_instance($element)) {
$e->delete();
}
}
}
// Delete the pages.
$DB->delete_records('customcert_pages', array('templateid' => $template->get_id()));
// Store the current time in a variable.
$time = time();
// Now, get the template data we want to load.
if ($templatepages = $DB->get_records('customcert_pages', array('templateid' => $ltid))) {
// Loop through the pages.
foreach ($templatepages as $templatepage) {
$page = clone($templatepage);
$page->templateid = $tid;
$page->timecreated = $time;
$page->timemodified = $time;
// Insert into the database.
$page->id = $DB->insert_record('customcert_pages', $page);
// Now go through the elements we want to load.
if ($templateelements = $DB->get_records('customcert_elements', array('pageid' => $templatepage->id))) {
foreach ($templateelements as $templateelement) {
$element = clone($templateelement);
$element->pageid = $page->id;
$element->timecreated = $time;
$element->timemodified = $time;
// Ok, now we want to insert this into the database.
$element->id = $DB->insert_record('customcert_elements', $element);
// Load any other information the element may need to for the template.
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if ($e = \mod_customcert\element_factory::get_element_instance($element)) {
if (!$e->copy_element($templateelement)) {
// Failed to copy - delete the element.
$e->delete();
}
}
}
}
}
}
// Redirect.
$url = new moodle_url('/mod/customcert/edit.php', array('tid' => $tid));
redirect($url);
}
// Create the link options.
$nourl = new moodle_url('/mod/customcert/edit.php', array('tid' => $tid));
$yesurl = new moodle_url('/mod/customcert/load_template.php', array('tid' => $tid,
'ltid' => $ltid,
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'confirm' => 1,
'sesskey' => sesskey()));
$pageurl = new moodle_url('/mod/customcert/load_template.php', array('tid' => $tid, 'ltid' => $ltid));
\mod_customcert\page_helper::page_setup($pageurl, $template->get_context(), get_string('loadtemplate', 'customcert'));
// Show a confirmation page.
echo $OUTPUT->header();
echo $OUTPUT->confirm(get_string('loadtemplatemsg', 'customcert'), $yesurl, $nourl);
echo $OUTPUT->footer();