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286 lines
11 KiB
286 lines
11 KiB
<?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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* Module generator base class.
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*
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* @package core
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* @category test
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* @copyright 2012 Petr Skoda {@link http://skodak.org}
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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();
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/**
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* Module generator base class.
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*
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* Extend in mod/xxxx/tests/generator/lib.php as class mod_xxxx_generator.
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*
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* @package core
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* @category test
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* @copyright 2012 Petr Skoda {@link http://skodak.org}
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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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abstract class testing_module_generator extends component_generator_base {
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/**
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* @var number of created instances
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*/
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protected $instancecount = 0;
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/**
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* To be called from data reset code only,
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* do not use in tests.
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* @return void
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*/
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public function reset() {
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$this->instancecount = 0;
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}
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/**
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* Returns module name
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* @return string name of module that this class describes
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* @throws coding_exception if class invalid
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*/
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public function get_modulename() {
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$matches = null;
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if (!preg_match('/^mod_([a-z0-9]+)_generator$/', get_class($this), $matches)) {
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throw new coding_exception('Invalid module generator class name: '.get_class($this));
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}
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if (empty($matches[1])) {
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throw new coding_exception('Invalid module generator class name: '.get_class($this));
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}
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return $matches[1];
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}
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/**
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* Create course module and link it to course
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*
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* Since 2.6 it is recommended to use function add_moduleinfo() to create a module.
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*
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* @deprecated since 2.6
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* @see testing_module_generator::create_instance()
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*
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* @param integer $courseid
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* @param array $options section, visible
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* @return integer $cm instance id
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*/
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protected function precreate_course_module($courseid, array $options) {
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global $DB, $CFG;
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require_once("$CFG->dirroot/course/lib.php");
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$modulename = $this->get_modulename();
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$sectionnum = isset($options['section']) ? $options['section'] : 0;
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unset($options['section']); // Prevent confusion, it would be overridden later in course_add_cm_to_section() anyway.
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$cm = new stdClass();
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$cm->course = $courseid;
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$cm->module = $DB->get_field('modules', 'id', array('name'=>$modulename));
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$cm->instance = 0;
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$cm->section = 0;
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$cm->idnumber = isset($options['idnumber']) ? $options['idnumber'] : 0;
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$cm->added = time();
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$columns = $DB->get_columns('course_modules');
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foreach ($options as $key => $value) {
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if ($key === 'id' or !isset($columns[$key])) {
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continue;
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}
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if (property_exists($cm, $key)) {
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continue;
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}
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$cm->$key = $value;
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}
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$cm->id = $DB->insert_record('course_modules', $cm);
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course_add_cm_to_section($courseid, $cm->id, $sectionnum);
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return $cm->id;
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}
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/**
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* Called after *_add_instance()
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*
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* Since 2.6 it is recommended to use function add_moduleinfo() to create a module.
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*
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* @deprecated since 2.6
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* @see testing_module_generator::create_instance()
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*
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* @param int $id
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* @param int $cmid
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* @return stdClass module instance
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*/
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protected function post_add_instance($id, $cmid) {
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global $DB;
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$DB->set_field('course_modules', 'instance', $id, array('id'=>$cmid));
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$instance = $DB->get_record($this->get_modulename(), array('id'=>$id), '*', MUST_EXIST);
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$cm = get_coursemodule_from_id($this->get_modulename(), $cmid, $instance->course, true, MUST_EXIST);
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context_module::instance($cm->id);
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$instance->cmid = $cm->id;
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return $instance;
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}
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/**
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* Merges together arguments $record and $options and fills default module
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* fields that are shared by all module types
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*
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* @param object|array $record fields (different from defaults) for this module
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* @param null|array $options for backward-compatibility this may include fields from course_modules
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* table. They are merged into $record
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* @throws coding_exception if $record->course is not specified
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*/
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protected function prepare_moduleinfo_record($record, $options) {
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global $DB;
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// Make sure we don't modify the original object.
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$moduleinfo = (object)(array)$record;
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if (empty($moduleinfo->course)) {
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throw new coding_exception('module generator requires $record->course');
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}
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$moduleinfo->modulename = $this->get_modulename();
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$moduleinfo->module = $DB->get_field('modules', 'id', array('name' => $moduleinfo->modulename));
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// Allow idnumber to be set as either $options['idnumber'] or $moduleinfo->cmidnumber or $moduleinfo->idnumber.
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// The actual field name is 'idnumber' but add_moduleinfo() expects 'cmidnumber'.
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if (isset($options['idnumber'])) {
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$moduleinfo->cmidnumber = $options['idnumber'];
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} else if (!isset($moduleinfo->cmidnumber) && isset($moduleinfo->idnumber)) {
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$moduleinfo->cmidnumber = $moduleinfo->idnumber;
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}
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// These are the fields from table 'course_modules' in 2.6 when the second
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// argument $options is being deprecated.
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// List excludes fields: instance (does not exist yet), course, module and idnumber (set above)
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$easymergefields = array('section', 'added', 'score', 'indent',
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'visible', 'visibleold', 'groupmode', 'groupingid',
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'completion', 'completiongradeitemnumber', 'completionview', 'completionexpected',
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'availability', 'showdescription');
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foreach ($easymergefields as $key) {
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if (isset($options[$key])) {
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$moduleinfo->$key = $options[$key];
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}
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}
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// Set default values. Note that visibleold and completiongradeitemnumber are not used when creating a module.
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$defaults = array(
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'section' => 0,
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'visible' => 1,
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'visibleoncoursepage' => 1,
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'cmidnumber' => '',
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'groupmode' => 0,
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'groupingid' => 0,
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'availability' => null,
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'completion' => 0,
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'completionview' => 0,
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'completionexpected' => 0,
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'conditiongradegroup' => array(),
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'conditionfieldgroup' => array(),
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'conditioncompletiongroup' => array()
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);
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foreach ($defaults as $key => $value) {
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if (!isset($moduleinfo->$key)) {
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$moduleinfo->$key = $value;
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}
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}
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return $moduleinfo;
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}
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/**
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* Creates an instance of the module for testing purposes.
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*
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* Module type will be taken from the class name. Each module type may overwrite
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* this function to add other default values used by it.
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*
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* @param array|stdClass $record data for module being generated. Requires 'course' key
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* (an id or the full object). Also can have any fields from add module form.
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* @param null|array $options general options for course module. Since 2.6 it is
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* possible to omit this argument by merging options into $record
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* @return stdClass record from module-defined table with additional field
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* cmid (corresponding id in course_modules table)
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*/
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public function create_instance($record = null, array $options = null) {
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global $CFG, $DB;
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require_once($CFG->dirroot.'/course/modlib.php');
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$this->instancecount++;
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// Merge options into record and add default values.
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$record = $this->prepare_moduleinfo_record($record, $options);
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// Retrieve the course record.
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if (!empty($record->course->id)) {
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$course = $record->course;
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$record->course = $record->course->id;
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} else {
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$course = get_course($record->course);
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}
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// Fill the name and intro with default values (if missing).
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if (empty($record->name)) {
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$record->name = get_string('pluginname', $this->get_modulename()).' '.$this->instancecount;
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}
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if (empty($record->introeditor) && empty($record->intro)) {
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$record->intro = 'Test '.$this->get_modulename().' ' . $this->instancecount;
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}
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if (empty($record->introeditor) && empty($record->introformat)) {
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$record->introformat = FORMAT_MOODLE;
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}
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if (isset($record->tags) && !is_array($record->tags)) {
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$record->tags = preg_split('/\s*,\s*/', trim($record->tags), -1, PREG_SPLIT_NO_EMPTY);
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}
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// Before Moodle 2.6 it was possible to create a module with completion tracking when
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// it is not setup for course and/or site-wide. Display debugging message so it is
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// easier to trace an error in unittests.
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if ($record->completion && empty($CFG->enablecompletion)) {
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debugging('Did you forget to set $CFG->enablecompletion before generating module with completion tracking?', DEBUG_DEVELOPER);
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}
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if ($record->completion && empty($course->enablecompletion)) {
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debugging('Did you forget to enable completion tracking for the course before generating module with completion tracking?', DEBUG_DEVELOPER);
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}
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// Add the module to the course.
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$moduleinfo = add_moduleinfo($record, $course, $mform = null);
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// Prepare object to return with additional field cmid.
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$instance = $DB->get_record($this->get_modulename(), array('id' => $moduleinfo->instance), '*', MUST_EXIST);
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$instance->cmid = $moduleinfo->coursemodule;
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return $instance;
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}
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/**
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* Generates a piece of content for the module.
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* User is usually taken from global $USER variable.
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* @param stdClass $instance object returned from create_instance() call
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* @param stdClass|array $record
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* @return stdClass generated object
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* @throws coding_exception if function is not implemented by module
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*/
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public function create_content($instance, $record = array()) {
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throw new coding_exception('Module generator for '.$this->get_modulename().' does not implement method create_content()');
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}
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}
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