310 lines
9.3 KiB
PHP
310 lines
9.3 KiB
PHP
<?php
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// This file is part of the customcert module for 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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* Customcert module core interaction API
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*
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* @package mod_customcert
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* @copyright 2013 Mark Nelson <markn@moodle.com>
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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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defined('MOODLE_INTERNAL') || die('Direct access to this script is forbidden.');
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/**
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* Add customcert instance.
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*
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* @param stdClass $data
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* @param mod_customcert_mod_form $mform
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* @return int new customcert instance id
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*/
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function customcert_add_instance($data, $mform) {
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global $DB;
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$data->protection = customcert_set_protection($data);
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$data->timecreated = time();
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$data->timemodified = $data->timecreated;
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$data->id = $DB->insert_record('customcert', $data);
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// Add a page to this customcert.
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customcert_add_page($data);
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return $data->id;
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}
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/**
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* Update customcert instance.
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*
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* @param stdClass $data
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* @param mod_customcert_mod_form $mform
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* @return bool true
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*/
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function customcert_update_instance($data, $mform) {
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global $DB;
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$data->protection = customcert_set_protection($data);
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$data->timemodified = time();
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$data->id = $data->instance;
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return $DB->update_record('customcert', $data);
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}
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/**
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* Given an ID of an instance of this module,
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* this function will permanently delete the instance
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* and any data that depends on it.
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*
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* @param int $id
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* @return bool true if successful
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*/
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function customcert_delete_instance($id) {
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global $DB;
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// Ensure the customcert exists.
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if (!$DB->get_record('customcert', array('id' => $id))) {
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return false;
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}
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// Get the course module as it is used when deleting files.
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if (!$cm = get_coursemodule_from_instance('customcert', $id)) {
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return false;
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}
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// Delete the customcert instance.
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if (!$DB->delete_records('customcert', array('id' => $id))) {
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return false;
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}
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// Delete the elements.
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$sql = "SELECT e.*
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FROM {customcert_elements} e
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INNER JOIN {customcert_pages} p
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ON e.pageid = p.id
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WHERE p.customcertid = :customcertid";
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if ($elements = $DB->get_records_sql($sql, array('customcertid' => $id))) {
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foreach ($elements as $element) {
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// Get an instance of the element class.
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if ($e = customcert_get_element_instance($element)) {
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return $e->delete_element();
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}
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}
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}
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// Delete the pages.
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if (!$DB->delete_records('customcert_pages', array('customcertid' => $id))) {
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return false;
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}
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// Delete the customcert issues.
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if (!$DB->delete_records('customcert_issues', array('customcertid' => $id))) {
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return false;
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}
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// Delete any files associated with the customcert.
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$context = context_module::instance($cm->id);
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$fs = get_file_storage();
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$fs->delete_area_files($context->id);
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return true;
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}
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/**
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* This function is used by the reset_course_userdata function in moodlelib.
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* This function will remove all posts from the specified customcert
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* and clean up any related data.
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*
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* @param $data the data submitted from the reset course.
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* @return array status array
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*/
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function customcert_reset_userdata($data) {
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global $DB;
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$componentstr = get_string('modulenameplural', 'customcert');
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$status = array();
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if (!empty($data->reset_customcert)) {
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$sql = "SELECT cert.id
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FROM {customcert} cert
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WHERE cert.course = :courseid";
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$DB->delete_records_select('customcert_issues', "customcertid IN ($sql)", array('courseid' => $data->courseid));
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$status[] = array('component' => $componentstr, 'item' => get_string('customcertremoved', 'customcert'), 'error' => false);
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}
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// Updating dates - shift may be negative too.
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if ($data->timeshift) {
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shift_course_mod_dates('customcert', array('timeopen', 'timeclose'), $data->timeshift, $data->courseid);
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$status[] = array('component' => $componentstr, 'item' => get_string('datechanged'), 'error' => false);
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}
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return $status;
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}
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/**
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* Implementation of the function for printing the form elements that control
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* whether the course reset functionality affects the customcert.
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*
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* @param mod_customcert_mod_form $mform form passed by reference
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*/
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function customcert_reset_course_form_definition(&$mform) {
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$mform->addElement('header', 'customcertheader', get_string('modulenameplural', 'customcert'));
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$mform->addElement('advcheckbox', 'reset_customcert', get_string('deletissuedcustomcerts', 'customcert'));
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}
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/**
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* Course reset form defaults.
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*
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* @param stdClass $course
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* @return array
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*/
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function customcert_reset_course_form_defaults($course) {
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return array('reset_customcert' => 1);
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}
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/**
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* Returns information about received customcert.
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* Used for user activity reports.
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*
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* @param stdClass $course
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* @param stdClass $user
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* @param stdClass $mod
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* @param stdClass $customcert
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* @return stdClass the user outline object
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*/
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function customcert_user_outline($course, $user, $mod, $customcert) {
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global $DB;
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$result = new stdClass();
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if ($issue = $DB->get_record('customcert_issues', array('customcertid' => $customcert->id, 'userid' => $user->id))) {
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$result->info = get_string('issued', 'customcert');
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$result->time = $issue->timecreated;
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} else {
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$result->info = get_string('notissued', 'customcert');
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}
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return $result;
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}
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/**
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* Returns information about received customcert.
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* Used for user activity reports.
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*
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* @param stdClass $course
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* @param stdClass $user
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* @param stdClass $mod
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* @param stdClass $customcert
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* @return string the user complete information
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*/
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function customcert_user_complete($course, $user, $mod, $customcert) {
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global $DB, $OUTPUT;
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if ($issue = $DB->get_record('customcert_issues', array('customcertid' => $customcert->id, 'userid' => $user->id))) {
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echo $OUTPUT->box_start();
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echo get_string('issued', 'customcert') . ": ";
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echo userdate($issue->timecreated);
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customcert_print_user_files($customcert->id, $user->id);
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echo '<br />';
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echo $OUTPUT->box_end();
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} else {
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print_string('notissuedyet', 'customcert');
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}
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}
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/**
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* @uses FEATURE_GROUPS
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* @uses FEATURE_GROUPINGS
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* @uses FEATURE_GROUPMEMBERSONLY
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* @uses FEATURE_MOD_INTRO
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* @uses FEATURE_COMPLETION_TRACKS_VIEWS
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* @uses FEATURE_GRADE_HAS_GRADE
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* @uses FEATURE_GRADE_OUTCOMES
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* @param string $feature FEATURE_xx constant for requested feature
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* @return mixed True if module supports feature, null if doesn't know
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*/
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function customcert_supports($feature) {
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switch ($feature) {
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case FEATURE_GROUPS:
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return true;
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case FEATURE_GROUPINGS:
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return true;
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case FEATURE_GROUPMEMBERSONLY:
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return true;
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case FEATURE_MOD_INTRO:
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return true;
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case FEATURE_COMPLETION_TRACKS_VIEWS:
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return true;
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case FEATURE_BACKUP_MOODLE2:
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return true;
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default:
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return null;
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}
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}
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/**
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* Used for course participation report (in case customcert is added).
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*
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* @return array
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*/
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function customcert_get_view_actions() {
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return array('view', 'view all', 'view report');
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}
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/**
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* Used for course participation report (in case customcert is added).
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*
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* @return array
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*/
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function customcert_get_post_actions() {
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return array('received');
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}
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/**
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* Function to be run periodically according to the moodle cron.
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*/
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function customcert_cron() {
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return true;
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}
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/**
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* This function extends the settings navigation block for the site.
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*
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* It is safe to rely on PAGE here as we will only ever be within the module
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* context when this is called.
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*
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* @param settings_navigation $settings
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* @param navigation_node $customcertnode
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*/
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function customcert_extend_settings_navigation(settings_navigation $settings, navigation_node $customcertnode) {
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global $PAGE;
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$keys = $customcertnode->get_children_key_list();
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$beforekey = null;
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$i = array_search('modedit', $keys);
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if ($i === false and array_key_exists(0, $keys)) {
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$beforekey = $keys[0];
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} else if (array_key_exists($i + 1, $keys)) {
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$beforekey = $keys[$i + 1];
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}
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if (has_capability('mod/customcert:manage', $PAGE->cm->context)) {
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$node = navigation_node::create(get_string('editcustomcert', 'customcert'),
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new moodle_url('/mod/customcert/edit.php', array('cmid' => $PAGE->cm->id)),
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navigation_node::TYPE_SETTING, null, 'mod_customcert_edit',
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new pix_icon('t/edit', ''));
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$customcertnode->add_node($node, $beforekey);
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}
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return $customcertnode->trim_if_empty();
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}
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