287 lines
7.8 KiB
PHP
287 lines
7.8 KiB
PHP
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Class represents a htmlcert template.
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*
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* @package mod_htmlcert
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* @copyright 2016 Mark Nelson <markn@moodle.com>, 2021-2022 Kumi Systems e.U. <office@kumi.systems>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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namespace mod_htmlcert;
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require_once(__DIR__ . "/../vendor/autoload.php");
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require_once($CFG->dirroot.'/user/profile/lib.php');
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use mikehaertl\wkhtmlto\Pdf;
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defined('MOODLE_INTERNAL') || die();
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/**
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* Class represents a htmlcert template.
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*
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* @package mod_htmlcert
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* @copyright 2016 Mark Nelson <markn@moodle.com>, 2021-2022 Kumi Systems e.U. <office@kumi.systems>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class template {
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/**
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* @var int $id The id of the template.
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*/
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protected $id;
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/**
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* @var string $name The name of this template
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*/
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protected $name;
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/**
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* @var int $contextid The context id of this template
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*/
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protected $contextid;
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protected $html;
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/**
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* The constructor.
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*
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* @param \stdClass $template
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*/
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public function __construct($template) {
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$this->id = $template->id;
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$this->name = $template->name;
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$this->contextid = $template->contextid;
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$this->html = $template->html;
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}
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/**
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* Handles saving data.
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*
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* @param \stdClass $data the template data
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*/
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public function save($data) {
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global $DB;
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$savedata = new \stdClass();
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$savedata->id = $this->id;
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$savedata->name = $data->name;
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$savedata->html = $data->html ?: $this->html;
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$savedata->timemodified = time();
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$DB->update_record('htmlcert_templates', $savedata);
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}
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/**
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* Handles deleting the template.
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*
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* @return bool return true if the deletion was successful, false otherwise
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*/
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public function delete() {
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global $DB;
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if (!$DB->delete_records('htmlcert_templates', array('id' => $this->id))) {
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return false;
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}
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return true;
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}
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/**
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* Generate the PDF for the template.
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*
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* @param bool $preview true if it is a preview, false otherwise
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* @param int $userid the id of the user whose certificate we want to view
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* @param bool $return Do we want to return the contents of the PDF?
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* @return string|void Can return the PDF in string format if specified.
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*/
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public function generate_pdf(bool $preview = false, int $userid = null, bool $return = false) {
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global $CFG, $DB, $USER, $SITE;
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if (empty($userid)) {
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$user = $USER;
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} else {
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$user = \core_user::get_user($userid);
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}
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profile_load_data($user);
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$htmlcert = $DB->get_record('htmlcert', ['templateid' => $this->id]);
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$pdf = new Pdf(array(
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"disable-smart-shrinking",
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"margin-bottom" => "0",
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"margin-right" => "0",
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"margin-left" => "0",
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"margin-top" => "0"
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));
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$html = $this->html;
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$context = \context_user::instance($user->id);
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$fs = get_file_storage();
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$files = $fs->get_area_files($context->id, 'user', 'icon', 0);
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$file = null;
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$content = "";
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foreach ($files as $filefound) {
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if (!$filefound->is_directory()) {
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$file = $filefound;
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break;
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}
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}
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if ($file) {
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$location = make_request_directory() . '/target';
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$content = $file->get_content();
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}
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$html = str_replace("__PROFILEPIC__", 'data: ' . mime_content_type($file) . ';base64,' . $content, $html);
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$html = str_replace("__NAME__", $user->firstname . " " . $user->lastname, $html);
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if ($preview) {
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$code = \mod_htmlcert\certificate::generate_code();
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} else {
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$issue = $DB->get_record('htmlcert_issues', array('userid' => $user->id, 'htmlcertid' => $htmlcert->id),
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'*', IGNORE_MULTIPLE);
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$code = $issue->code;
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}
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$html = str_replace("__CERTNUM__", $code, $html);
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$courseid = $htmlcert->course ?: $SITE->id;
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$course = get_course($courseid);
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$coursename = $course->fullname;
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$html = str_replace("__COURSE__", $coursename, $html);
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$date = $issue->timecreated;
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$html = str_replace("__DATE__", userdate($date, '%B %d, %Y'), $html);
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$html = str_replace("__PIN__", $user->username, $html);
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$pdf->addPage($html);
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$pdf->send();
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die($pdf->getError());
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if ($return) {
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return $pdf->toString();
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}
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}
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/**
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* Handles copying this template into another.
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*
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* @param int $copytotemplateid The template id to copy to
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*/
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public function copy_to_template($copytotemplateid) {
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global $DB;
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$copytotemplate = $DB->get_record('htmlcert_templates', array('id' => $copytotemplateid));
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$copytotemplate->html = $this->html;
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$DB->update_record('htmlcert_templates', $copytotemplate);
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}
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/**
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* Returns the id of the template.
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*
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* @return int the id of the template
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*/
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public function get_id() {
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return $this->id;
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}
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/**
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* Returns the name of the template.
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*
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* @return string the name of the template
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*/
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public function get_name() {
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return $this->name;
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}
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public function get_html() {
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return $this->html;
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}
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/**
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* Returns the context id.
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*
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* @return int the context id
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*/
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public function get_contextid() {
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return $this->contextid;
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}
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/**
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* Returns the context id.
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*
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* @return \context the context
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*/
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public function get_context() {
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return \context::instance_by_id($this->contextid);
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}
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/**
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* Returns the context id.
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*
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* @return \context_module|null the context module, null if there is none
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*/
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public function get_cm() {
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$context = $this->get_context();
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if ($context->contextlevel === CONTEXT_MODULE) {
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return get_coursemodule_from_id('htmlcert', $context->instanceid, 0, false, MUST_EXIST);
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}
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return null;
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}
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/**
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* Ensures the user has the proper capabilities to manage this template.
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*
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* @throws \required_capability_exception if the user does not have the necessary capabilities (ie. Fred)
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*/
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public function require_manage() {
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require_capability('mod/htmlcert:manage', $this->get_context());
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}
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/**
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* Creates a template.
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*
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* @param string $templatename the name of the template
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* @param int $contextid the context id
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* @return \mod_htmlcert\template the template object
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*/
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public static function create($templatename, $contextid) {
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global $DB;
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$template = new \stdClass();
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$template->name = $templatename;
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$template->contextid = $contextid;
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$template->timecreated = time();
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$template->timemodified = $template->timecreated;
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$template->id = $DB->insert_record('htmlcert_templates', $template);
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return new \mod_htmlcert\template($template);
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}
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}
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