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See Release Notes

  • Bug fixes for general core bugs in 4.3.x will end 7 October 2024 (12 months).
  • Bug fixes for security issues in 4.3.x will end 21 April 2025 (18 months).
  • PHP version: minimum PHP 8.0.0 Note: minimum PHP version has increased since Moodle 4.1. PHP 8.2.x is supported too.
<?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/>.

/**
 * Course and category management helper class.
 *
 * @package    core_course
 * @copyright  2013 Sam Hemelryk
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

namespace core_course\management;

defined('MOODLE_INTERNAL') || die;

> require_once($CFG->dirroot . '/course/lib.php'); /** >
* Course and category management interface helper class. * * This class provides methods useful to the course and category management interfaces. * Many of the methods on this class are static and serve one of two purposes. * 1. encapsulate functionality in an effort to ensure minimal changes between the different * methods of interaction. Specifically browser, AJAX and webservice. * 2. abstract logic for acquiring actions away from output so that renderers may use them without * having to include any logic or capability checks. * * @package core_course * @copyright 2013 Sam Hemelryk * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ class helper { /** * The expanded category structure if its already being loaded from the cache. * @var null|array */ protected static $expandedcategories = null; /** * Returns course details in an array ready to be printed. * * @global \moodle_database $DB * @param \core_course_list_element $course * @return array */ public static function get_course_detail_array(\core_course_list_element $course) { global $DB; $canaccess = $course->can_access(); $format = \course_get_format($course->id); $modinfo = \get_fast_modinfo($course->id); $modules = $modinfo->get_used_module_names(); $sections = array(); if ($format->uses_sections()) { foreach ($modinfo->get_section_info_all() as $section) { if ($section->uservisible) { $sections[] = $format->get_section_name($section); } } } $category = \core_course_category::get($course->category); $categoryurl = new \moodle_url('/course/management.php', array('categoryid' => $course->category)); $categoryname = $category->get_formatted_name(); $details = array( 'fullname' => array( 'key' => \get_string('fullname'), 'value' => $course->get_formatted_fullname() ), 'shortname' => array( 'key' => \get_string('shortname'), 'value' => $course->get_formatted_shortname() ), 'idnumber' => array( 'key' => \get_string('idnumber'), 'value' => s($course->idnumber) ), 'category' => array( 'key' => \get_string('category'), 'value' => \html_writer::link($categoryurl, $categoryname) ) ); if (has_capability('moodle/site:accessallgroups', $course->get_context())) { $groups = \groups_get_course_data($course->id); $details += array( 'groupings' => array( 'key' => \get_string('groupings', 'group'), 'value' => count($groups->groupings) ), 'groups' => array( 'key' => \get_string('groups'), 'value' => count($groups->groups) ) ); } if ($canaccess) { $names = \role_get_names($course->get_context()); $sql = 'SELECT ra.roleid, COUNT(ra.id) AS rolecount FROM {role_assignments} ra WHERE ra.contextid = :contextid GROUP BY ra.roleid'; $rolecounts = $DB->get_records_sql($sql, array('contextid' => $course->get_context()->id)); $roledetails = array(); foreach ($rolecounts as $result) { $a = new \stdClass; $a->role = $names[$result->roleid]->localname; $a->count = $result->rolecount; $roledetails[] = \get_string('assignedrolecount', 'moodle', $a); } $details['roleassignments'] = array( 'key' => \get_string('roleassignments'), 'value' => join('<br />', $roledetails) ); } if ($course->can_review_enrolments()) { $enrolmentlines = array(); $instances = \enrol_get_instances($course->id, true); $plugins = \enrol_get_plugins(true); foreach ($instances as $instance) { if (!isset($plugins[$instance->enrol])) { // Weird. continue; } $plugin = $plugins[$instance->enrol]; $enrolmentlines[] = $plugin->get_instance_name($instance); } $details['enrolmentmethods'] = array( 'key' => \get_string('enrolmentmethods'), 'value' => join('<br />', $enrolmentlines) ); } if ($canaccess) { $details['format'] = array( 'key' => \get_string('format'), 'value' => \course_get_format($course)->get_format_name() ); $details['sections'] = array( 'key' => \get_string('sections'), 'value' => join('<br />', $sections) ); $details['modulesused'] = array( 'key' => \get_string('modulesused'), 'value' => join('<br />', $modules) ); } return $details; } /** * Returns an array of actions that can be performed upon a category being shown in a list. * * @param \core_course_category $category * @return array */ public static function get_category_listitem_actions(\core_course_category $category) { global $CFG; $manageurl = new \moodle_url('/course/management.php', array('categoryid' => $category->id)); $baseurl = new \moodle_url($manageurl, array('sesskey' => \sesskey())); $actions = array();
> // Edit. > // View link. if ($category->can_edit()) { > $actions['view'] = [ $actions['edit'] = array( > 'url' => new \moodle_url('/course/index.php', ['categoryid' => $category->id]), 'url' => new \moodle_url('/course/editcategory.php', array('id' => $category->id)), > 'icon' => null, 'icon' => new \pix_icon('t/edit', new \lang_string('edit')), > 'string' => get_string('view') 'string' => new \lang_string('edit') > ]; ); >
} // Show/Hide. if ($category->can_change_visibility()) { // We always show both icons and then just toggle the display of the invalid option with CSS. $actions['hide'] = array( 'url' => new \moodle_url($baseurl, array('action' => 'hidecategory')), 'icon' => new \pix_icon('t/hide', new \lang_string('hide')), 'string' => new \lang_string('hide') ); $actions['show'] = array( 'url' => new \moodle_url($baseurl, array('action' => 'showcategory')), 'icon' => new \pix_icon('t/show', new \lang_string('show')), 'string' => new \lang_string('show') ); } // Move up/down. if ($category->can_change_sortorder()) { $actions['moveup'] = array( 'url' => new \moodle_url($baseurl, array('action' => 'movecategoryup')), 'icon' => new \pix_icon('t/up', new \lang_string('moveup')), 'string' => new \lang_string('moveup') ); $actions['movedown'] = array( 'url' => new \moodle_url($baseurl, array('action' => 'movecategorydown')), 'icon' => new \pix_icon('t/down', new \lang_string('movedown')), 'string' => new \lang_string('movedown') ); } if ($category->can_create_subcategory()) { $actions['createnewsubcategory'] = array( 'url' => new \moodle_url('/course/editcategory.php', array('parent' => $category->id)), 'icon' => new \pix_icon('i/withsubcat', new \lang_string('createnewsubcategory')), 'string' => new \lang_string('createnewsubcategory') ); } // Resort. if ($category->can_resort_subcategories() && $category->has_children()) { $actions['resortbyname'] = array( 'url' => new \moodle_url($baseurl, array('action' => 'resortcategories', 'resort' => 'name')), 'icon' => new \pix_icon('t/sort', new \lang_string('sort')), 'string' => new \lang_string('resortsubcategoriesby', 'moodle' , get_string('categoryname')) ); $actions['resortbynamedesc'] = array( 'url' => new \moodle_url($baseurl, array('action' => 'resortcategories', 'resort' => 'namedesc')), 'icon' => new \pix_icon('t/sort', new \lang_string('sort')), 'string' => new \lang_string('resortsubcategoriesbyreverse', 'moodle', get_string('categoryname')) ); $actions['resortbyidnumber'] = array( 'url' => new \moodle_url($baseurl, array('action' => 'resortcategories', 'resort' => 'idnumber')), 'icon' => new \pix_icon('t/sort', new \lang_string('sort')), 'string' => new \lang_string('resortsubcategoriesby', 'moodle', get_string('idnumbercoursecategory')) ); $actions['resortbyidnumberdesc'] = array( 'url' => new \moodle_url($baseurl, array('action' => 'resortcategories', 'resort' => 'idnumberdesc')), 'icon' => new \pix_icon('t/sort', new \lang_string('sort')), 'string' => new \lang_string('resortsubcategoriesbyreverse', 'moodle', get_string('idnumbercoursecategory')) ); } // Delete. if (!empty($category->move_content_targets_list()) || $category->can_delete_full()) { $actions['delete'] = array( 'url' => new \moodle_url($baseurl, array('action' => 'deletecategory')), 'icon' => new \pix_icon('t/delete', new \lang_string('delete')), 'string' => new \lang_string('delete') ); }
< // Assign roles. < if ($category->can_review_roles()) { < $actions['assignroles'] = array( < 'url' => new \moodle_url('/admin/roles/assign.php', array('contextid' => $category->get_context()->id, < 'returnurl' => $manageurl->out_as_local_url(false))), < 'icon' => new \pix_icon('t/assignroles', new \lang_string('assignroles', 'role')), < 'string' => new \lang_string('assignroles', 'role') < ); < } <
// Permissions. if ($category->can_review_permissions()) { $actions['permissions'] = array(
< 'url' => new \moodle_url('/admin/roles/permissions.php', array('contextid' => $category->get_context()->id, < 'returnurl' => $manageurl->out_as_local_url(false))),
> 'url' => new \moodle_url('/admin/roles/permissions.php', ['contextid' => $category->get_context()->id]),
'icon' => new \pix_icon('i/permissions', new \lang_string('permissions', 'role')), 'string' => new \lang_string('permissions', 'role') ); }
< // Check permissions. < if ($category->can_review_permissions()) { < $actions['checkroles'] = array( < 'url' => new \moodle_url('/admin/roles/check.php', array('contextid' => $category->get_context()->id, < 'returnurl' => $manageurl->out_as_local_url(false))), < 'icon' => new \pix_icon('i/checkpermissions', new \lang_string('checkpermissions', 'role')), < 'string' => new \lang_string('checkpermissions', 'role') < ); < } <
// Context locking. if (!empty($CFG->contextlocking) && has_capability('moodle/site:managecontextlocks', $category->get_context())) { $parentcontext = $category->get_context()->get_parent_context(); if (empty($parentcontext) || !$parentcontext->locked) { if ($category->get_context()->locked) { $lockicon = 'i/unlock'; $lockstring = get_string('managecontextunlock', 'admin'); } else { $lockicon = 'i/lock'; $lockstring = get_string('managecontextlock', 'admin'); } $actions['managecontextlock'] = [ 'url' => new \moodle_url('/admin/lock.php', [ 'id' => $category->get_context()->id, 'returnurl' => $manageurl->out_as_local_url(false), ]), 'icon' => new \pix_icon($lockicon, $lockstring), 'string' => $lockstring, ]; } } // Cohorts. if ($category->can_review_cohorts()) { $actions['cohorts'] = array( 'url' => new \moodle_url('/cohort/index.php', array('contextid' => $category->get_context()->id)), 'icon' => new \pix_icon('t/cohort', new \lang_string('cohorts', 'cohort')), 'string' => new \lang_string('cohorts', 'cohort') ); } // Filters. if ($category->can_review_filters()) { $actions['filters'] = array( 'url' => new \moodle_url('/filter/manage.php', array('contextid' => $category->get_context()->id, 'return' => 'management')), 'icon' => new \pix_icon('i/filter', new \lang_string('filters', 'admin')), 'string' => new \lang_string('filters', 'admin') ); } if ($category->can_restore_courses_into()) { $actions['restore'] = array( 'url' => new \moodle_url('/backup/restorefile.php', array('contextid' => $category->get_context()->id)), 'icon' => new \pix_icon('i/restore', new \lang_string('restorecourse', 'admin')), 'string' => new \lang_string('restorecourse', 'admin') ); } // Recyclebyn. if (\tool_recyclebin\category_bin::is_enabled()) { $categorybin = new \tool_recyclebin\category_bin($category->id); if ($categorybin->can_view()) { $autohide = get_config('tool_recyclebin', 'autohide'); if ($autohide) { $items = $categorybin->get_items(); } else { $items = []; } if (!$autohide || !empty($items)) { $pluginname = get_string('pluginname', 'tool_recyclebin'); $actions['recyclebin'] = [ 'url' => new \moodle_url('/admin/tool/recyclebin/index.php', ['contextid' => $category->get_context()->id]), 'icon' => new \pix_icon('trash', $pluginname, 'tool_recyclebin'), 'string' => $pluginname ]; } } }
> // Content bank. return $actions; > if ($category->has_contentbank()) { } > $url = new \moodle_url('/contentbank/index.php', ['contextid' => $category->get_context()->id]); > $actions['contentbank'] = [ /** > 'url' => $url, * Returns an array of actions for a course listitem. > 'icon' => new \pix_icon('i/contentbank', ''), * > 'string' => get_string('contentbank') * @param \core_course_category $category > ]; * @param \core_course_list_element $course > } * @return array >
*/ public static function get_course_listitem_actions(\core_course_category $category, \core_course_list_element $course) { $baseurl = new \moodle_url( '/course/management.php', array('courseid' => $course->id, 'categoryid' => $course->category, 'sesskey' => \sesskey()) ); $actions = array(); // Edit. if ($course->can_edit()) { $actions[] = array( 'url' => new \moodle_url('/course/edit.php', array('id' => $course->id, 'returnto' => 'catmanage')), 'icon' => new \pix_icon('t/edit', \get_string('edit')), 'attributes' => array('class' => 'action-edit') ); } // Copy. if (self::can_copy_course($course->id)) { $actions[] = array( 'url' => new \moodle_url('/backup/copy.php', array('id' => $course->id, 'returnto' => 'catmanage')), 'icon' => new \pix_icon('t/copy', \get_string('copycourse')), 'attributes' => array('class' => 'action-copy') ); } // Delete. if ($course->can_delete()) { $actions[] = array( 'url' => new \moodle_url('/course/delete.php', array('id' => $course->id)), 'icon' => new \pix_icon('t/delete', \get_string('delete')), 'attributes' => array('class' => 'action-delete') ); } // Show/Hide. if ($course->can_change_visibility()) { $actions[] = array( 'url' => new \moodle_url($baseurl, array('action' => 'hidecourse')), 'icon' => new \pix_icon('t/hide', \get_string('hide')), 'attributes' => array('data-action' => 'hide', 'class' => 'action-hide') ); $actions[] = array( 'url' => new \moodle_url($baseurl, array('action' => 'showcourse')), 'icon' => new \pix_icon('t/show', \get_string('show')), 'attributes' => array('data-action' => 'show', 'class' => 'action-show') ); } // Move up/down. if ($category->can_resort_courses()) { $actions[] = array( 'url' => new \moodle_url($baseurl, array('action' => 'movecourseup')), 'icon' => new \pix_icon('t/up', \get_string('moveup')), 'attributes' => array('data-action' => 'moveup', 'class' => 'action-moveup') ); $actions[] = array( 'url' => new \moodle_url($baseurl, array('action' => 'movecoursedown')), 'icon' => new \pix_icon('t/down', \get_string('movedown')), 'attributes' => array('data-action' => 'movedown', 'class' => 'action-movedown') ); } return $actions; } /** * Returns an array of actions that can be performed on the course being displayed. * * @param \core_course_list_element $course * @return array */ public static function get_course_detail_actions(\core_course_list_element $course) { $params = array('courseid' => $course->id, 'categoryid' => $course->category, 'sesskey' => \sesskey()); $baseurl = new \moodle_url('/course/management.php', $params); $actions = array(); // View. $actions['view'] = array( 'url' => new \moodle_url('/course/view.php', array('id' => $course->id)), 'string' => \get_string('view') ); // Edit. if ($course->can_edit()) { $actions['edit'] = array( 'url' => new \moodle_url('/course/edit.php', array('id' => $course->id)), 'string' => \get_string('edit') ); } // Permissions. if ($course->can_review_enrolments()) { $actions['enrolledusers'] = array( 'url' => new \moodle_url('/user/index.php', array('id' => $course->id)), 'string' => \get_string('enrolledusers', 'enrol') ); } // Delete. if ($course->can_delete()) { $actions['delete'] = array( 'url' => new \moodle_url('/course/delete.php', array('id' => $course->id)), 'string' => \get_string('delete') ); } // Show/Hide. if ($course->can_change_visibility()) { if ($course->visible) { $actions['hide'] = array( 'url' => new \moodle_url($baseurl, array('action' => 'hidecourse')), 'string' => \get_string('hide') ); } else { $actions['show'] = array( 'url' => new \moodle_url($baseurl, array('action' => 'showcourse')), 'string' => \get_string('show') ); } } // Backup. if ($course->can_backup()) { $actions['backup'] = array( 'url' => new \moodle_url('/backup/backup.php', array('id' => $course->id)), 'string' => \get_string('backup') ); } // Restore. if ($course->can_restore()) { $actions['restore'] = array( 'url' => new \moodle_url('/backup/restorefile.php', array('contextid' => $course->get_context()->id)), 'string' => \get_string('restore') ); } return $actions; } /** * Resorts the courses within a category moving the given course up by one. * * @param \core_course_list_element $course * @param \core_course_category $category * @return bool * @throws \moodle_exception */ public static function action_course_change_sortorder_up_one(\core_course_list_element $course, \core_course_category $category) { if (!$category->can_resort_courses()) { throw new \moodle_exception('permissiondenied', 'error', '', null, 'core_course_category::can_resort'); } return \course_change_sortorder_by_one($course, true); } /** * Resorts the courses within a category moving the given course down by one. * * @param \core_course_list_element $course * @param \core_course_category $category * @return bool * @throws \moodle_exception */ public static function action_course_change_sortorder_down_one(\core_course_list_element $course, \core_course_category $category) { if (!$category->can_resort_courses()) { throw new \moodle_exception('permissiondenied', 'error', '', null, 'core_course_category::can_resort'); } return \course_change_sortorder_by_one($course, false); } /** * Resorts the courses within a category moving the given course up by one. * * @global \moodle_database $DB * @param int|\stdClass $courserecordorid * @return bool */ public static function action_course_change_sortorder_up_one_by_record($courserecordorid) { if (is_int($courserecordorid)) { $courserecordorid = get_course($courserecordorid); } $course = new \core_course_list_element($courserecordorid); $category = \core_course_category::get($course->category); return self::action_course_change_sortorder_up_one($course, $category); } /** * Resorts the courses within a category moving the given course down by one. * * @global \moodle_database $DB * @param int|\stdClass $courserecordorid * @return bool */ public static function action_course_change_sortorder_down_one_by_record($courserecordorid) { if (is_int($courserecordorid)) { $courserecordorid = get_course($courserecordorid); } $course = new \core_course_list_element($courserecordorid); $category = \core_course_category::get($course->category); return self::action_course_change_sortorder_down_one($course, $category); } /** * Changes the sort order so that the first course appears after the second course. * * @param int|\stdClass $courserecordorid * @param int $moveaftercourseid * @return bool * @throws \moodle_exception */ public static function action_course_change_sortorder_after_course($courserecordorid, $moveaftercourseid) { $course = \get_course($courserecordorid); $category = \core_course_category::get($course->category); if (!$category->can_resort_courses()) { $url = '/course/management.php?categoryid='.$course->category; throw new \moodle_exception('nopermissions', 'error', $url, \get_string('resortcourses', 'moodle')); } return \course_change_sortorder_after_course($course, $moveaftercourseid); } /** * Makes a course visible given a \core_course_list_element object. * * @param \core_course_list_element $course * @return bool * @throws \moodle_exception */ public static function action_course_show(\core_course_list_element $course) { if (!$course->can_change_visibility()) { throw new \moodle_exception('permissiondenied', 'error', '', null, 'core_course_list_element::can_change_visbility'); } return course_change_visibility($course->id, true); } /** * Makes a course hidden given a \core_course_list_element object. * * @param \core_course_list_element $course * @return bool * @throws \moodle_exception */ public static function action_course_hide(\core_course_list_element $course) { if (!$course->can_change_visibility()) { throw new \moodle_exception('permissiondenied', 'error', '', null, 'core_course_list_element::can_change_visbility'); } return course_change_visibility($course->id, false); } /** * Makes a course visible given a course id or a database record. * * @global \moodle_database $DB * @param int|\stdClass $courserecordorid * @return bool */ public static function action_course_show_by_record($courserecordorid) { if (is_int($courserecordorid)) { $courserecordorid = get_course($courserecordorid); } $course = new \core_course_list_element($courserecordorid); return self::action_course_show($course); } /** * Makes a course hidden given a course id or a database record. * * @global \moodle_database $DB * @param int|\stdClass $courserecordorid * @return bool */ public static function action_course_hide_by_record($courserecordorid) { if (is_int($courserecordorid)) { $courserecordorid = get_course($courserecordorid); } $course = new \core_course_list_element($courserecordorid); return self::action_course_hide($course); } /** * Resort a categories subcategories shifting the given category up one. * * @param \core_course_category $category * @return bool * @throws \moodle_exception */ public static function action_category_change_sortorder_up_one(\core_course_category $category) { if (!$category->can_change_sortorder()) { throw new \moodle_exception('permissiondenied', 'error', '', null, 'core_course_category::can_change_sortorder'); } return $category->change_sortorder_by_one(true); } /** * Resort a categories subcategories shifting the given category down one. * * @param \core_course_category $category * @return bool * @throws \moodle_exception */ public static function action_category_change_sortorder_down_one(\core_course_category $category) { if (!$category->can_change_sortorder()) { throw new \moodle_exception('permissiondenied', 'error', '', null, 'core_course_category::can_change_sortorder'); } return $category->change_sortorder_by_one(false); } /** * Resort a categories subcategories shifting the given category up one. * * @param int $categoryid * @return bool */ public static function action_category_change_sortorder_up_one_by_id($categoryid) { $category = \core_course_category::get($categoryid); return self::action_category_change_sortorder_up_one($category); } /** * Resort a categories subcategories shifting the given category down one. * * @param int $categoryid * @return bool */ public static function action_category_change_sortorder_down_one_by_id($categoryid) { $category = \core_course_category::get($categoryid); return self::action_category_change_sortorder_down_one($category); } /** * Makes a category hidden given a core_course_category object. * * @param \core_course_category $category * @return bool * @throws \moodle_exception */ public static function action_category_hide(\core_course_category $category) { if (!$category->can_change_visibility()) { throw new \moodle_exception('permissiondenied', 'error', '', null, 'core_course_category::can_change_visbility'); } $category->hide(); return true; } /** * Makes a category visible given a core_course_category object. * * @param \core_course_category $category * @return bool * @throws \moodle_exception */ public static function action_category_show(\core_course_category $category) { if (!$category->can_change_visibility()) { throw new \moodle_exception('permissiondenied', 'error', '', null, 'core_course_category::can_change_visbility'); } $category->show(); return true; } /** * Makes a category visible given a course category id or database record. * * @param int|\stdClass $categoryid * @return bool */ public static function action_category_show_by_id($categoryid) { return self::action_category_show(\core_course_category::get($categoryid)); } /** * Makes a category hidden given a course category id or database record. * * @param int|\stdClass $categoryid * @return bool */ public static function action_category_hide_by_id($categoryid) { return self::action_category_hide(\core_course_category::get($categoryid)); } /** * Resorts the sub categories of the given category. * * @param \core_course_category $category * @param string $sort One of idnumber or name. * @param bool $cleanup If true cleanup will be done, if false you will need to do it manually later. * @return bool * @throws \moodle_exception */ public static function action_category_resort_subcategories(\core_course_category $category, $sort, $cleanup = true) { if (!$category->can_resort_subcategories()) { throw new \moodle_exception('permissiondenied', 'error', '', null, 'core_course_category::can_resort'); } return $category->resort_subcategories($sort, $cleanup); } /** * Resorts the courses within the given category. * * @param \core_course_category $category * @param string $sort One of fullname, shortname or idnumber * @param bool $cleanup If true cleanup will be done, if false you will need to do it manually later. * @return bool * @throws \moodle_exception */ public static function action_category_resort_courses(\core_course_category $category, $sort, $cleanup = true) { if (!$category->can_resort_courses()) { throw new \moodle_exception('permissiondenied', 'error', '', null, 'core_course_category::can_resort'); } return $category->resort_courses($sort, $cleanup); } /** * Moves courses out of one category and into a new category. * * @param \core_course_category $oldcategory The category we are moving courses out of. * @param \core_course_category $newcategory The category we are moving courses into. * @param array $courseids The ID's of the courses we want to move. * @return bool True on success. * @throws \moodle_exception */ public static function action_category_move_courses_into(\core_course_category $oldcategory, \core_course_category $newcategory, array $courseids) { global $DB; list($where, $params) = $DB->get_in_or_equal($courseids, SQL_PARAMS_NAMED); $params['categoryid'] = $oldcategory->id; $sql = "SELECT c.id FROM {course} c WHERE c.id {$where} AND c.category <> :categoryid"; if ($DB->record_exists_sql($sql, $params)) { // Likely being tinkered with. throw new \moodle_exception('coursedoesnotbelongtocategory'); } // All courses are currently within the old category. return self::move_courses_into_category($newcategory, $courseids); } /** * Returns the view modes for the management interface. * @return array */ public static function get_management_viewmodes() { return array( 'combined' => new \lang_string('categoriesandcourses'), 'categories' => new \lang_string('categories'), 'courses' => new \lang_string('courses') ); } /** * Search for courses with matching params. * * Please note that only one of search, blocklist, or modulelist can be specified at a time. * Specifying more than one will result in only the first being used. * * @param string $search Words to search for. We search fullname, shortname, idnumber and summary. * @param int $blocklist The ID of a block, courses will only be returned if they use this block. * @param string $modulelist The name of a module (relates to database table name). Only courses containing this module * will be returned. * @param int $page The page number to display, starting at 0. * @param int $perpage The number of courses to display per page. * @return array */ public static function search_courses($search, $blocklist, $modulelist, $page = 0, $perpage = null) { global $CFG; if ($perpage === null) { $perpage = $CFG->coursesperpage; } $searchcriteria = array(); if (!empty($search)) { $searchcriteria = array('search' => $search); } else if (!empty($blocklist)) { $searchcriteria = array('blocklist' => $blocklist); } else if (!empty($modulelist)) { $searchcriteria = array('modulelist' => $modulelist); } $topcat = \core_course_category::top(); $courses = $topcat->search_courses($searchcriteria, array( 'recursive' => true, 'offset' => $page * $perpage, 'limit' => $perpage, 'sort' => array('fullname' => 1) )); $totalcount = $topcat->search_courses_count($searchcriteria, array('recursive' => true)); return array($courses, \count($courses), $totalcount); } /** * Moves one or more courses out of the category they are currently in and into a new category. * * This function works much the same way as action_category_move_courses_into however it allows courses from multiple * categories to be moved into a single category. * * @param int|\core_course_category $categoryorid The category to move them into. * @param array|int $courseids An array of course id's or optionally just a single course id. * @return bool True on success or false on failure. * @throws \moodle_exception */ public static function move_courses_into_category($categoryorid, $courseids = array()) { global $DB; if (!is_array($courseids)) { // Just a single course ID. $courseids = array($courseids); } // Bulk move courses from one category to another. if (count($courseids) === 0) { return false; } if ($categoryorid instanceof \core_course_category) { $moveto = $categoryorid; } else { $moveto = \core_course_category::get($categoryorid); } if (!$moveto->can_move_courses_out_of() || !$moveto->can_move_courses_into()) { throw new \moodle_exception('cannotmovecourses'); } list($where, $params) = $DB->get_in_or_equal($courseids, SQL_PARAMS_NAMED); $sql = "SELECT c.id, c.category FROM {course} c WHERE c.id {$where}"; $courses = $DB->get_records_sql($sql, $params); $checks = array(); foreach ($courseids as $id) { if (!isset($courses[$id])) { throw new \moodle_exception('invalidcourseid'); } $catid = $courses[$id]->category; if (!isset($checks[$catid])) { $coursecat = \core_course_category::get($catid); $checks[$catid] = $coursecat->can_move_courses_out_of() && $coursecat->can_move_courses_into(); } if (!$checks[$catid]) { throw new \moodle_exception('cannotmovecourses'); } } return \move_courses($courseids, $moveto->id); } /** * Returns an array of courseids and visiblity for all courses within the given category. * @param int $categoryid * @return array */ public static function get_category_courses_visibility($categoryid) { global $DB; $sql = "SELECT c.id, c.visible FROM {course} c WHERE c.category = :category"; $params = array('category' => (int)$categoryid); return $DB->get_records_sql($sql, $params); } /** * Returns an array of all categoryids that have the given category as a parent and their visible value. * @param int $categoryid * @return array */ public static function get_category_children_visibility($categoryid) { global $DB; $category = \core_course_category::get($categoryid); $select = $DB->sql_like('path', ':path'); $path = $category->path . '/%'; $sql = "SELECT c.id, c.visible FROM {course_categories} c WHERE ".$select; $params = array('path' => $path); return $DB->get_records_sql($sql, $params); } /** * Records when a category is expanded or collapsed so that when the user * * @param \core_course_category $coursecat The category we're working with. * @param bool $expanded True if the category is expanded now. */ public static function record_expanded_category(\core_course_category $coursecat, $expanded = true) { // If this ever changes we are going to reset it and reload the categories as required. self::$expandedcategories = null; $categoryid = $coursecat->id; $path = $coursecat->get_parents(); /* @var \cache_session $cache */ $cache = \cache::make('core', 'userselections'); $categories = $cache->get('categorymanagementexpanded'); if (!is_array($categories)) { if (!$expanded) { // No categories recorded, nothing to remove. return; } $categories = array(); } if ($expanded) { $ref =& $categories; foreach ($coursecat->get_parents() as $path) { if (!isset($ref[$path]) || !is_array($ref[$path])) { $ref[$path] = array(); } $ref =& $ref[$path]; } if (!isset($ref[$categoryid])) { $ref[$categoryid] = true; } } else { $found = true; $ref =& $categories; foreach ($coursecat->get_parents() as $path) { if (!isset($ref[$path])) { $found = false; break; } $ref =& $ref[$path]; } if ($found) { $ref[$categoryid] = null; unset($ref[$categoryid]); } } $cache->set('categorymanagementexpanded', $categories); } /** * Returns the categories that should be expanded when displaying the interface. * * @param int|null $withpath If specified a path to require as the parent. * @return \core_course_category[] An array of Category ID's to expand. */ public static function get_expanded_categories($withpath = null) { if (self::$expandedcategories === null) { /* @var \cache_session $cache */ $cache = \cache::make('core', 'userselections'); self::$expandedcategories = $cache->get('categorymanagementexpanded'); if (self::$expandedcategories === false) { self::$expandedcategories = array(); } } if (empty($withpath)) { return array_keys(self::$expandedcategories); } $parents = explode('/', trim($withpath, '/')); $ref =& self::$expandedcategories; foreach ($parents as $parent) { if (!isset($ref[$parent])) { return array(); } $ref =& $ref[$parent]; } if (is_array($ref)) { return array_keys($ref); } else { return array($parent); } } /** * Get an array of the capabilities required to copy a course. * * @return array */ public static function get_course_copy_capabilities(): array {
< return array('moodle/backup:backupcourse', 'moodle/restore:restorecourse', 'moodle/course:view', 'moodle/course:create');
> return array('moodle/backup:backupcourse', 'moodle/restore:restorecourse', 'moodle/course:create');
} /** * Returns true if the current user can copy this course. * * @param int $courseid * @return bool */ public static function can_copy_course(int $courseid): bool { $coursecontext = \context_course::instance($courseid); return has_all_capabilities(self::get_course_copy_capabilities(), $coursecontext); } }