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https://github.com/moodle/moodle.git
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1287 lines
45 KiB
PHP
1287 lines
45 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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* This file contains the course_enrolment_manager class which is used to interface
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* with the functions that exist in enrollib.php in relation to a single course.
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*
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* @package core
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* @subpackage enrol
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* @copyright 2010 Sam Hemelryk
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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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* This class provides a targeted tied together means of interfacing the enrolment
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* tasks together with a course.
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*
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* It is provided as a convenience more than anything else.
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*
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* @copyright 2010 Sam Hemelryk
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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 course_enrolment_manager {
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/**
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* The course context
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* @var stdClass
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*/
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protected $context;
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/**
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* The course we are managing enrolments for
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* @var stdClass
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*/
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protected $course = null;
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/**
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* Limits the focus of the manager to one enrolment plugin instance
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* @var string
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*/
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protected $instancefilter = null;
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/**
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* The total number of users enrolled in the course
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* Populated by course_enrolment_manager::get_total_users
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* @var int
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*/
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protected $totalusers = null;
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/**
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* An array of users currently enrolled in the course
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* Populated by course_enrolment_manager::get_users
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* @var array
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*/
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protected $users = array();
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/**
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* An array of users who have roles within this course but who have not
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* been enrolled in the course
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* @var array
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*/
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protected $otherusers = array();
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/**
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* The total number of users who hold a role within the course but who
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* arn't enrolled.
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* @var int
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*/
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protected $totalotherusers = null;
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/**
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* The current moodle_page object
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* @var moodle_page
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*/
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protected $moodlepage = null;
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/**#@+
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* These variables are used to cache the information this class uses
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* please never use these directly instead use their get_ counterparts.
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* @access private
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* @var array
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*/
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private $_instancessql = null;
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private $_instances = null;
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private $_inames = null;
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private $_plugins = null;
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private $_roles = null;
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private $_assignableroles = null;
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private $_assignablerolesothers = null;
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private $_groups = null;
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/**#@-*/
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/**
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* Constructs the course enrolment manager
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*
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* @param moodle_page $moodlepage
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* @param stdClass $course
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* @param string $instancefilter
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*/
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public function __construct(moodle_page $moodlepage, $course, $instancefilter = null) {
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$this->moodlepage = $moodlepage;
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$this->context = context_course::instance($course->id);
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$this->course = $course;
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$this->instancefilter = $instancefilter;
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}
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/**
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* Returns the current moodle page
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* @return moodle_page
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*/
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public function get_moodlepage() {
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return $this->moodlepage;
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}
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/**
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* Returns the total number of enrolled users in the course.
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*
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* If a filter was specificed this will be the total number of users enrolled
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* in this course by means of that instance.
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*
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* @global moodle_database $DB
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* @return int
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*/
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public function get_total_users() {
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global $DB;
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if ($this->totalusers === null) {
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list($instancessql, $params, $filter) = $this->get_instance_sql();
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$sqltotal = "SELECT COUNT(DISTINCT u.id)
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FROM {user} u
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JOIN {user_enrolments} ue ON (ue.userid = u.id AND ue.enrolid $instancessql)
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JOIN {enrol} e ON (e.id = ue.enrolid)";
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$this->totalusers = (int)$DB->count_records_sql($sqltotal, $params);
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}
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return $this->totalusers;
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}
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/**
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* Returns the total number of enrolled users in the course.
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*
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* If a filter was specificed this will be the total number of users enrolled
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* in this course by means of that instance.
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*
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* @global moodle_database $DB
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* @return int
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*/
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public function get_total_other_users() {
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global $DB;
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if ($this->totalotherusers === null) {
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list($ctxcondition, $params) = $DB->get_in_or_equal(get_parent_contexts($this->context, true), SQL_PARAMS_NAMED, 'ctx');
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$params['courseid'] = $this->course->id;
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$sql = "SELECT COUNT(DISTINCT u.id)
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FROM {role_assignments} ra
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JOIN {user} u ON u.id = ra.userid
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JOIN {context} ctx ON ra.contextid = ctx.id
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LEFT JOIN (
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SELECT ue.id, ue.userid
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FROM {user_enrolments} ue
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LEFT JOIN {enrol} e ON e.id=ue.enrolid
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WHERE e.courseid = :courseid
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) ue ON ue.userid=u.id
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WHERE ctx.id $ctxcondition AND
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ue.id IS NULL";
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$this->totalotherusers = (int)$DB->count_records_sql($sql, $params);
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}
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return $this->totalotherusers;
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}
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/**
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* Gets all of the users enrolled in this course.
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*
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* If a filter was specified this will be the users who were enrolled
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* in this course by means of that instance.
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*
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* @global moodle_database $DB
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* @param string $sort
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* @param string $direction ASC or DESC
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* @param int $page First page should be 0
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* @param int $perpage Defaults to 25
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* @return array
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*/
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public function get_users($sort, $direction='ASC', $page=0, $perpage=25) {
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global $DB;
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if ($direction !== 'ASC') {
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$direction = 'DESC';
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}
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$key = md5("$sort-$direction-$page-$perpage");
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if (!array_key_exists($key, $this->users)) {
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list($instancessql, $params, $filter) = $this->get_instance_sql();
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$extrafields = get_extra_user_fields($this->get_context());
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$extrafields[] = 'lastaccess';
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$ufields = user_picture::fields('u', $extrafields);
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$sql = "SELECT DISTINCT $ufields, ul.timeaccess AS lastseen
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FROM {user} u
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JOIN {user_enrolments} ue ON (ue.userid = u.id AND ue.enrolid $instancessql)
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JOIN {enrol} e ON (e.id = ue.enrolid)
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LEFT JOIN {user_lastaccess} ul ON (ul.courseid = e.courseid AND ul.userid = u.id)";
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if ($sort === 'firstname') {
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$sql .= " ORDER BY u.firstname $direction, u.lastname $direction";
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} else if ($sort === 'lastname') {
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$sql .= " ORDER BY u.lastname $direction, u.firstname $direction";
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} else if ($sort === 'email') {
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$sql .= " ORDER BY u.email $direction, u.lastname $direction, u.firstname $direction";
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} else if ($sort === 'lastseen') {
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$sql .= " ORDER BY ul.timeaccess $direction, u.lastname $direction, u.firstname $direction";
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}
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$this->users[$key] = $DB->get_records_sql($sql, $params, $page*$perpage, $perpage);
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}
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return $this->users[$key];
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}
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/**
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* Gets and array of other users.
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*
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* Other users are users who have been assigned roles or inherited roles
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* within this course but who have not been enrolled in the course
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*
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* @global moodle_database $DB
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* @param string $sort
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* @param string $direction
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* @param int $page
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* @param int $perpage
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* @return array
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*/
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public function get_other_users($sort, $direction='ASC', $page=0, $perpage=25) {
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global $DB;
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if ($direction !== 'ASC') {
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$direction = 'DESC';
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}
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$key = md5("$sort-$direction-$page-$perpage");
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if (!array_key_exists($key, $this->otherusers)) {
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list($ctxcondition, $params) = $DB->get_in_or_equal(get_parent_contexts($this->context, true), SQL_PARAMS_NAMED, 'ctx');
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$params['courseid'] = $this->course->id;
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$params['cid'] = $this->course->id;
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$sql = "SELECT ra.id as raid, ra.contextid, ra.component, ctx.contextlevel, ra.roleid, u.*, ue.lastseen
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FROM {role_assignments} ra
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JOIN {user} u ON u.id = ra.userid
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JOIN {context} ctx ON ra.contextid = ctx.id
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LEFT JOIN (
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SELECT ue.id, ue.userid, ul.timeaccess AS lastseen
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FROM {user_enrolments} ue
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LEFT JOIN {enrol} e ON e.id=ue.enrolid
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LEFT JOIN {user_lastaccess} ul ON (ul.courseid = e.courseid AND ul.userid = ue.userid)
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WHERE e.courseid = :courseid
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) ue ON ue.userid=u.id
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WHERE ctx.id $ctxcondition AND
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ue.id IS NULL
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ORDER BY u.$sort $direction, ctx.depth DESC";
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$this->otherusers[$key] = $DB->get_records_sql($sql, $params, $page*$perpage, $perpage);
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}
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return $this->otherusers[$key];
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}
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/**
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* Gets an array of the users that can be enrolled in this course.
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*
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* @global moodle_database $DB
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* @param int $enrolid
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* @param string $search
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* @param bool $searchanywhere
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* @param int $page Defaults to 0
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* @param int $perpage Defaults to 25
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* @return array Array(totalusers => int, users => array)
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*/
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public function get_potential_users($enrolid, $search='', $searchanywhere=false, $page=0, $perpage=25) {
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global $DB, $CFG;
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// Add some additional sensible conditions
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$tests = array("id <> :guestid", 'u.deleted = 0', 'u.confirmed = 1');
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$params = array('guestid' => $CFG->siteguest);
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if (!empty($search)) {
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$conditions = get_extra_user_fields($this->get_context());
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$conditions[] = $DB->sql_concat('u.firstname', "' '", 'u.lastname');
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if ($searchanywhere) {
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$searchparam = '%' . $search . '%';
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} else {
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$searchparam = $search . '%';
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}
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$i = 0;
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foreach ($conditions as $key=>$condition) {
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$conditions[$key] = $DB->sql_like($condition,":con{$i}00", false);
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$params["con{$i}00"] = $searchparam;
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$i++;
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}
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$tests[] = '(' . implode(' OR ', $conditions) . ')';
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}
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$wherecondition = implode(' AND ', $tests);
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$extrafields = get_extra_user_fields($this->get_context(), array('username', 'lastaccess'));
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$extrafields[] = 'username';
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$extrafields[] = 'lastaccess';
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$ufields = user_picture::fields('u', $extrafields);
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$fields = 'SELECT '.$ufields;
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$countfields = 'SELECT COUNT(1)';
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$sql = " FROM {user} u
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WHERE $wherecondition
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AND u.id NOT IN (SELECT ue.userid
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FROM {user_enrolments} ue
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JOIN {enrol} e ON (e.id = ue.enrolid AND e.id = :enrolid))";
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$order = ' ORDER BY u.lastname ASC, u.firstname ASC';
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$params['enrolid'] = $enrolid;
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$totalusers = $DB->count_records_sql($countfields . $sql, $params);
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$availableusers = $DB->get_records_sql($fields . $sql . $order, $params, $page*$perpage, $perpage);
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return array('totalusers'=>$totalusers, 'users'=>$availableusers);
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}
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/**
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* Searches other users and returns paginated results
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*
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* @global moodle_database $DB
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* @param string $search
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* @param bool $searchanywhere
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* @param int $page Starting at 0
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* @param int $perpage
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* @return array
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*/
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public function search_other_users($search='', $searchanywhere=false, $page=0, $perpage=25) {
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global $DB, $CFG;
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// Add some additional sensible conditions
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$tests = array("u.id <> :guestid", 'u.deleted = 0', 'u.confirmed = 1');
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$params = array('guestid'=>$CFG->siteguest);
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if (!empty($search)) {
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$conditions = array('u.firstname','u.lastname');
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if ($searchanywhere) {
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$searchparam = '%' . $search . '%';
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} else {
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$searchparam = $search . '%';
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}
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$i = 0;
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foreach ($conditions as $key=>$condition) {
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$conditions[$key] = $DB->sql_like($condition, ":con{$i}00", false);
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$params["con{$i}00"] = $searchparam;
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$i++;
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}
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$tests[] = '(' . implode(' OR ', $conditions) . ')';
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}
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$wherecondition = implode(' AND ', $tests);
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$fields = 'SELECT '.user_picture::fields('u', array('username','lastaccess'));
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$countfields = 'SELECT COUNT(u.id)';
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$sql = " FROM {user} u
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WHERE $wherecondition
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AND u.id NOT IN (
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SELECT u.id
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FROM {role_assignments} r, {user} u
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WHERE r.contextid = :contextid AND
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u.id = r.userid)";
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$order = ' ORDER BY lastname ASC, firstname ASC';
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$params['contextid'] = $this->context->id;
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$totalusers = $DB->count_records_sql($countfields . $sql, $params);
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$availableusers = $DB->get_records_sql($fields . $sql . $order, $params, $page*$perpage, $perpage);
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return array('totalusers'=>$totalusers, 'users'=>$availableusers);
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}
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/**
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* Gets an array containing some SQL to user for when selecting, params for
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* that SQL, and the filter that was used in constructing the sql.
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*
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* @global moodle_database $DB
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* @return string
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*/
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protected function get_instance_sql() {
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global $DB;
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if ($this->_instancessql === null) {
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$instances = $this->get_enrolment_instances();
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$filter = $this->get_enrolment_filter();
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if ($filter && array_key_exists($filter, $instances)) {
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$sql = " = :ifilter";
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$params = array('ifilter'=>$filter);
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} else {
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$filter = 0;
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if ($instances) {
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list($sql, $params) = $DB->get_in_or_equal(array_keys($this->get_enrolment_instances()), SQL_PARAMS_NAMED);
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} else {
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// no enabled instances, oops, we should probably say something
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$sql = "= :never";
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$params = array('never'=>-1);
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}
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}
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$this->instancefilter = $filter;
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$this->_instancessql = array($sql, $params, $filter);
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}
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return $this->_instancessql;
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}
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/**
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* Returns all of the enrolment instances for this course.
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*
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* @return array
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*/
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public function get_enrolment_instances() {
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if ($this->_instances === null) {
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$this->_instances = enrol_get_instances($this->course->id, true);
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}
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return $this->_instances;
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}
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/**
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* Returns the names for all of the enrolment instances for this course.
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*
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* @return array
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*/
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public function get_enrolment_instance_names() {
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if ($this->_inames === null) {
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$instances = $this->get_enrolment_instances();
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$plugins = $this->get_enrolment_plugins();
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foreach ($instances as $key=>$instance) {
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if (!isset($plugins[$instance->enrol])) {
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// weird, some broken stuff in plugin
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unset($instances[$key]);
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continue;
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}
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$this->_inames[$key] = $plugins[$instance->enrol]->get_instance_name($instance);
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}
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}
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return $this->_inames;
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}
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/**
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* Gets all of the enrolment plugins that are active for this course.
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*
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* @return array
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*/
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public function get_enrolment_plugins() {
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if ($this->_plugins === null) {
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$this->_plugins = enrol_get_plugins(true);
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}
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return $this->_plugins;
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}
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/**
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* Gets all of the roles this course can contain.
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*
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* @return array
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*/
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public function get_all_roles() {
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if ($this->_roles === null) {
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$this->_roles = role_fix_names(get_all_roles($this->context), $this->context);
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}
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return $this->_roles;
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}
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/**
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* Gets all of the assignable roles for this course.
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*
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* @return array
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*/
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public function get_assignable_roles($otherusers = false) {
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if ($this->_assignableroles === null) {
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$this->_assignableroles = get_assignable_roles($this->context, ROLENAME_ALIAS, false); // verifies unassign access control too
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}
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if ($otherusers) {
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if (!is_array($this->_assignablerolesothers)) {
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$this->_assignablerolesothers = array();
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list($courseviewroles, $ignored) = get_roles_with_cap_in_context($this->context, 'moodle/course:view');
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foreach ($this->_assignableroles as $roleid=>$role) {
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if (isset($courseviewroles[$roleid])) {
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$this->_assignablerolesothers[$roleid] = $role;
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}
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}
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}
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return $this->_assignablerolesothers;
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} else {
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return $this->_assignableroles;
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}
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}
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/**
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* Gets all of the groups for this course.
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*
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* @return array
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*/
|
|
public function get_all_groups() {
|
|
if ($this->_groups === null) {
|
|
$this->_groups = groups_get_all_groups($this->course->id);
|
|
foreach ($this->_groups as $gid=>$group) {
|
|
$this->_groups[$gid]->name = format_string($group->name);
|
|
}
|
|
}
|
|
return $this->_groups;
|
|
}
|
|
|
|
/**
|
|
* Unenrols a user from the course given the users ue entry
|
|
*
|
|
* @global moodle_database $DB
|
|
* @param stdClass $ue
|
|
* @return bool
|
|
*/
|
|
public function unenrol_user($ue) {
|
|
global $DB;
|
|
list ($instance, $plugin) = $this->get_user_enrolment_components($ue);
|
|
if ($instance && $plugin && $plugin->allow_unenrol_user($instance, $ue) && has_capability("enrol/$instance->enrol:unenrol", $this->context)) {
|
|
$plugin->unenrol_user($instance, $ue->userid);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Given a user enrolment record this method returns the plugin and enrolment
|
|
* instance that relate to it.
|
|
*
|
|
* @param stdClass|int $userenrolment
|
|
* @return array array($instance, $plugin)
|
|
*/
|
|
public function get_user_enrolment_components($userenrolment) {
|
|
global $DB;
|
|
if (is_numeric($userenrolment)) {
|
|
$userenrolment = $DB->get_record('user_enrolments', array('id'=>(int)$userenrolment));
|
|
}
|
|
$instances = $this->get_enrolment_instances();
|
|
$plugins = $this->get_enrolment_plugins();
|
|
if (!$userenrolment || !isset($instances[$userenrolment->enrolid])) {
|
|
return array(false, false);
|
|
}
|
|
$instance = $instances[$userenrolment->enrolid];
|
|
$plugin = $plugins[$instance->enrol];
|
|
return array($instance, $plugin);
|
|
}
|
|
|
|
/**
|
|
* Removes an assigned role from a user.
|
|
*
|
|
* @global moodle_database $DB
|
|
* @param int $userid
|
|
* @param int $roleid
|
|
* @return bool
|
|
*/
|
|
public function unassign_role_from_user($userid, $roleid) {
|
|
global $DB;
|
|
require_capability('moodle/role:assign', $this->context);
|
|
$user = $DB->get_record('user', array('id'=>$userid), '*', MUST_EXIST);
|
|
try {
|
|
role_unassign($roleid, $user->id, $this->context->id, '', NULL);
|
|
} catch (Exception $e) {
|
|
if (defined('AJAX_SCRIPT')) {
|
|
throw $e;
|
|
}
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Assigns a role to a user.
|
|
*
|
|
* @param int $roleid
|
|
* @param int $userid
|
|
* @return int|false
|
|
*/
|
|
public function assign_role_to_user($roleid, $userid) {
|
|
require_capability('moodle/role:assign', $this->context);
|
|
if (!array_key_exists($roleid, $this->get_assignable_roles())) {
|
|
if (defined('AJAX_SCRIPT')) {
|
|
throw new moodle_exception('invalidrole');
|
|
}
|
|
return false;
|
|
}
|
|
return role_assign($roleid, $userid, $this->context->id, '', NULL);
|
|
}
|
|
|
|
/**
|
|
* Adds a user to a group
|
|
*
|
|
* @param stdClass $user
|
|
* @param int $groupid
|
|
* @return bool
|
|
*/
|
|
public function add_user_to_group($user, $groupid) {
|
|
require_capability('moodle/course:managegroups', $this->context);
|
|
$group = $this->get_group($groupid);
|
|
if (!$group) {
|
|
return false;
|
|
}
|
|
return groups_add_member($group->id, $user->id);
|
|
}
|
|
|
|
/**
|
|
* Removes a user from a group
|
|
*
|
|
* @global moodle_database $DB
|
|
* @param StdClass $user
|
|
* @param int $groupid
|
|
* @return bool
|
|
*/
|
|
public function remove_user_from_group($user, $groupid) {
|
|
global $DB;
|
|
require_capability('moodle/course:managegroups', $this->context);
|
|
$group = $this->get_group($groupid);
|
|
if (!$group) {
|
|
return false;
|
|
}
|
|
return groups_remove_member($group, $user);
|
|
}
|
|
|
|
/**
|
|
* Gets the requested group
|
|
*
|
|
* @param int $groupid
|
|
* @return stdClass|int
|
|
*/
|
|
public function get_group($groupid) {
|
|
$groups = $this->get_all_groups();
|
|
if (!array_key_exists($groupid, $groups)) {
|
|
return false;
|
|
}
|
|
return $groups[$groupid];
|
|
}
|
|
|
|
/**
|
|
* Edits an enrolment
|
|
*
|
|
* @param stdClass $userenrolment
|
|
* @param stdClass $data
|
|
* @return bool
|
|
*/
|
|
public function edit_enrolment($userenrolment, $data) {
|
|
//Only allow editing if the user has the appropriate capability
|
|
//Already checked in /enrol/users.php but checking again in case this function is called from elsewhere
|
|
list($instance, $plugin) = $this->get_user_enrolment_components($userenrolment);
|
|
if ($instance && $plugin && $plugin->allow_manage($instance) && has_capability("enrol/$instance->enrol:manage", $this->context)) {
|
|
if (!isset($data->status)) {
|
|
$data->status = $userenrolment->status;
|
|
}
|
|
$plugin->update_user_enrol($instance, $userenrolment->userid, $data->status, $data->timestart, $data->timeend);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Returns the current enrolment filter that is being applied by this class
|
|
* @return string
|
|
*/
|
|
public function get_enrolment_filter() {
|
|
return $this->instancefilter;
|
|
}
|
|
|
|
/**
|
|
* Gets the roles assigned to this user that are applicable for this course.
|
|
*
|
|
* @param int $userid
|
|
* @return array
|
|
*/
|
|
public function get_user_roles($userid) {
|
|
$roles = array();
|
|
$ras = get_user_roles($this->context, $userid, true, 'c.contextlevel DESC, r.sortorder ASC');
|
|
foreach ($ras as $ra) {
|
|
if ($ra->contextid != $this->context->id) {
|
|
if (!array_key_exists($ra->roleid, $roles)) {
|
|
$roles[$ra->roleid] = null;
|
|
}
|
|
// higher ras, course always takes precedence
|
|
continue;
|
|
}
|
|
if (array_key_exists($ra->roleid, $roles) && $roles[$ra->roleid] === false) {
|
|
continue;
|
|
}
|
|
$roles[$ra->roleid] = ($ra->itemid == 0 and $ra->component === '');
|
|
}
|
|
return $roles;
|
|
}
|
|
|
|
/**
|
|
* Gets the enrolments this user has in the course
|
|
*
|
|
* @global moodle_database $DB
|
|
* @param int $userid
|
|
* @return array
|
|
*/
|
|
public function get_user_enrolments($userid) {
|
|
global $DB;
|
|
list($instancessql, $params, $filter) = $this->get_instance_sql();
|
|
$params['userid'] = $userid;
|
|
$userenrolments = $DB->get_records_select('user_enrolments', "enrolid $instancessql AND userid = :userid", $params);
|
|
$instances = $this->get_enrolment_instances();
|
|
$plugins = $this->get_enrolment_plugins();
|
|
$inames = $this->get_enrolment_instance_names();
|
|
foreach ($userenrolments as &$ue) {
|
|
$ue->enrolmentinstance = $instances[$ue->enrolid];
|
|
$ue->enrolmentplugin = $plugins[$ue->enrolmentinstance->enrol];
|
|
$ue->enrolmentinstancename = $inames[$ue->enrolmentinstance->id];
|
|
}
|
|
return $userenrolments;
|
|
}
|
|
|
|
/**
|
|
* Gets the groups this user belongs to
|
|
*
|
|
* @param int $userid
|
|
* @return array
|
|
*/
|
|
public function get_user_groups($userid) {
|
|
return groups_get_all_groups($this->course->id, $userid, 0, 'g.id');
|
|
}
|
|
|
|
/**
|
|
* Retursn an array of params that would go into the URL to return to this
|
|
* exact page.
|
|
*
|
|
* @return array
|
|
*/
|
|
public function get_url_params() {
|
|
$args = array(
|
|
'id' => $this->course->id
|
|
);
|
|
if (!empty($this->instancefilter)) {
|
|
$args['ifilter'] = $this->instancefilter;
|
|
}
|
|
return $args;
|
|
}
|
|
|
|
/**
|
|
* Returns the course this object is managing enrolments for
|
|
*
|
|
* @return stdClass
|
|
*/
|
|
public function get_course() {
|
|
return $this->course;
|
|
}
|
|
|
|
/**
|
|
* Returns the course context
|
|
*
|
|
* @return stdClass
|
|
*/
|
|
public function get_context() {
|
|
return $this->context;
|
|
}
|
|
|
|
/**
|
|
* Gets an array of other users in this course ready for display.
|
|
*
|
|
* Other users are users who have been assigned or inherited roles within this
|
|
* course but have not been enrolled.
|
|
*
|
|
* @param core_enrol_renderer $renderer
|
|
* @param moodle_url $pageurl
|
|
* @param string $sort
|
|
* @param string $direction ASC | DESC
|
|
* @param int $page Starting from 0
|
|
* @param int $perpage
|
|
* @return array
|
|
*/
|
|
public function get_other_users_for_display(core_enrol_renderer $renderer, moodle_url $pageurl, $sort, $direction, $page, $perpage) {
|
|
|
|
$userroles = $this->get_other_users($sort, $direction, $page, $perpage);
|
|
$roles = $this->get_all_roles();
|
|
|
|
$context = $this->get_context();
|
|
$now = time();
|
|
$extrafields = get_extra_user_fields($context);
|
|
|
|
$users = array();
|
|
foreach ($userroles as $userrole) {
|
|
if (!array_key_exists($userrole->id, $users)) {
|
|
$users[$userrole->id] = $this->prepare_user_for_display($userrole, $extrafields, $now);
|
|
}
|
|
$a = new stdClass;
|
|
$a->role = $roles[$userrole->roleid]->localname;
|
|
$changeable = ($userrole->component == '');
|
|
if ($userrole->contextid == $this->context->id) {
|
|
$roletext = get_string('rolefromthiscourse', 'enrol', $a);
|
|
} else {
|
|
$changeable = false;
|
|
switch ($userrole->contextlevel) {
|
|
case CONTEXT_COURSE :
|
|
// Meta course
|
|
$roletext = get_string('rolefrommetacourse', 'enrol', $a);
|
|
break;
|
|
case CONTEXT_COURSECAT :
|
|
$roletext = get_string('rolefromcategory', 'enrol', $a);
|
|
break;
|
|
case CONTEXT_SYSTEM:
|
|
default:
|
|
$roletext = get_string('rolefromsystem', 'enrol', $a);
|
|
break;
|
|
}
|
|
}
|
|
$users[$userrole->id]['roles'] = array();
|
|
$users[$userrole->id]['roles'][$userrole->roleid] = array(
|
|
'text' => $roletext,
|
|
'unchangeable' => !$changeable
|
|
);
|
|
}
|
|
return $users;
|
|
}
|
|
|
|
/**
|
|
* Gets an array of users for display, this includes minimal user information
|
|
* as well as minimal information on the users roles, groups, and enrolments.
|
|
*
|
|
* @param core_enrol_renderer $renderer
|
|
* @param moodle_url $pageurl
|
|
* @param int $sort
|
|
* @param string $direction ASC or DESC
|
|
* @param int $page
|
|
* @param int $perpage
|
|
* @return array
|
|
*/
|
|
public function get_users_for_display(course_enrolment_manager $manager, $sort, $direction, $page, $perpage) {
|
|
$pageurl = $manager->get_moodlepage()->url;
|
|
$users = $this->get_users($sort, $direction, $page, $perpage);
|
|
|
|
$now = time();
|
|
$straddgroup = get_string('addgroup', 'group');
|
|
$strunenrol = get_string('unenrol', 'enrol');
|
|
$stredit = get_string('edit');
|
|
|
|
$allroles = $this->get_all_roles();
|
|
$assignable = $this->get_assignable_roles();
|
|
$allgroups = $this->get_all_groups();
|
|
$context = $this->get_context();
|
|
$canmanagegroups = has_capability('moodle/course:managegroups', $context);
|
|
|
|
$url = new moodle_url($pageurl, $this->get_url_params());
|
|
$extrafields = get_extra_user_fields($context);
|
|
|
|
$userdetails = array();
|
|
foreach ($users as $user) {
|
|
$details = $this->prepare_user_for_display($user, $extrafields, $now);
|
|
|
|
// Roles
|
|
$details['roles'] = array();
|
|
foreach ($this->get_user_roles($user->id) as $rid=>$rassignable) {
|
|
$details['roles'][$rid] = array('text'=>$allroles[$rid]->localname, 'unchangeable'=>(!$rassignable || !isset($assignable[$rid])));
|
|
}
|
|
|
|
// Users
|
|
$usergroups = $this->get_user_groups($user->id);
|
|
$details['groups'] = array();
|
|
foreach($usergroups as $gid=>$unused) {
|
|
$details['groups'][$gid] = $allgroups[$gid]->name;
|
|
}
|
|
|
|
// Enrolments
|
|
$details['enrolments'] = array();
|
|
foreach ($this->get_user_enrolments($user->id) as $ue) {
|
|
if ($ue->timestart and $ue->timeend) {
|
|
$period = get_string('periodstartend', 'enrol', array('start'=>userdate($ue->timestart), 'end'=>userdate($ue->timeend)));
|
|
$periodoutside = ($ue->timestart && $ue->timeend && $now < $ue->timestart && $now > $ue->timeend);
|
|
} else if ($ue->timestart) {
|
|
$period = get_string('periodstart', 'enrol', userdate($ue->timestart));
|
|
$periodoutside = ($ue->timestart && $now < $ue->timestart);
|
|
} else if ($ue->timeend) {
|
|
$period = get_string('periodend', 'enrol', userdate($ue->timeend));
|
|
$periodoutside = ($ue->timeend && $now > $ue->timeend);
|
|
} else {
|
|
// If there is no start or end show when user was enrolled.
|
|
$period = get_string('periodnone', 'enrol', userdate($ue->timecreated));
|
|
$periodoutside = false;
|
|
}
|
|
$details['enrolments'][$ue->id] = array(
|
|
'text' => $ue->enrolmentinstancename,
|
|
'period' => $period,
|
|
'dimmed' => ($periodoutside || $ue->status != ENROL_USER_ACTIVE),
|
|
'actions' => $ue->enrolmentplugin->get_user_enrolment_actions($manager, $ue)
|
|
);
|
|
}
|
|
$userdetails[$user->id] = $details;
|
|
}
|
|
return $userdetails;
|
|
}
|
|
|
|
/**
|
|
* Prepare a user record for display
|
|
*
|
|
* This function is called by both {@link get_users_for_display} and {@link get_other_users_for_display} to correctly
|
|
* prepare user fields for display
|
|
*
|
|
* Please note that this function does not check capability for moodle/coures:viewhiddenuserfields
|
|
*
|
|
* @param object $user The user record
|
|
* @param array $extrafields The list of fields as returned from get_extra_user_fields used to determine which
|
|
* additional fields may be displayed
|
|
* @param int $now The time used for lastaccess calculation
|
|
* @return array The fields to be displayed including userid, courseid, picture, firstname, lastseen and any
|
|
* additional fields from $extrafields
|
|
*/
|
|
private function prepare_user_for_display($user, $extrafields, $now) {
|
|
$details = array(
|
|
'userid' => $user->id,
|
|
'courseid' => $this->get_course()->id,
|
|
'picture' => new user_picture($user),
|
|
'firstname' => fullname($user, has_capability('moodle/site:viewfullnames', $this->get_context())),
|
|
'lastseen' => get_string('never'),
|
|
);
|
|
foreach ($extrafields as $field) {
|
|
$details[$field] = $user->{$field};
|
|
}
|
|
|
|
if ($user->lastaccess) {
|
|
$details['lastseen'] = format_time($now - $user->lastaccess);
|
|
}
|
|
return $details;
|
|
}
|
|
|
|
public function get_manual_enrol_buttons() {
|
|
$plugins = $this->get_enrolment_plugins();
|
|
$buttons = array();
|
|
foreach ($plugins as $plugin) {
|
|
$newbutton = $plugin->get_manual_enrol_button($this);
|
|
if (is_array($newbutton)) {
|
|
$buttons += $newbutton;
|
|
} else if ($newbutton instanceof enrol_user_button) {
|
|
$buttons[] = $newbutton;
|
|
}
|
|
}
|
|
return $buttons;
|
|
}
|
|
|
|
public function has_instance($enrolpluginname) {
|
|
// Make sure manual enrolments instance exists
|
|
foreach ($this->get_enrolment_instances() as $instance) {
|
|
if ($instance->enrol == $enrolpluginname) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Returns the enrolment plugin that the course manager was being filtered to.
|
|
*
|
|
* If no filter was being applied then this function returns false.
|
|
*
|
|
* @return enrol_plugin
|
|
*/
|
|
public function get_filtered_enrolment_plugin() {
|
|
$instances = $this->get_enrolment_instances();
|
|
$plugins = $this->get_enrolment_plugins();
|
|
|
|
if (empty($this->instancefilter) || !array_key_exists($this->instancefilter, $instances)) {
|
|
return false;
|
|
}
|
|
|
|
$instance = $instances[$this->instancefilter];
|
|
return $plugins[$instance->enrol];
|
|
}
|
|
|
|
/**
|
|
* Returns and array of users + enrolment details.
|
|
*
|
|
* Given an array of user id's this function returns and array of user enrolments for those users
|
|
* as well as enough user information to display the users name and picture for each enrolment.
|
|
*
|
|
* @global moodle_database $DB
|
|
* @param array $userids
|
|
* @return array
|
|
*/
|
|
public function get_users_enrolments(array $userids) {
|
|
global $DB;
|
|
|
|
$instances = $this->get_enrolment_instances();
|
|
$plugins = $this->get_enrolment_plugins();
|
|
|
|
if (!empty($this->instancefilter)) {
|
|
$instancesql = ' = :instanceid';
|
|
$instanceparams = array('instanceid' => $this->instancefilter);
|
|
} else {
|
|
list($instancesql, $instanceparams) = $DB->get_in_or_equal(array_keys($instances), SQL_PARAMS_NAMED, 'instanceid0000');
|
|
}
|
|
|
|
$userfields = user_picture::fields('u');
|
|
list($idsql, $idparams) = $DB->get_in_or_equal($userids, SQL_PARAMS_NAMED, 'userid0000');
|
|
|
|
$sql = "SELECT ue.id AS ueid, ue.status, ue.enrolid, ue.userid, ue.timestart, ue.timeend, ue.modifierid, ue.timecreated, ue.timemodified, $userfields
|
|
FROM {user_enrolments} ue
|
|
LEFT JOIN {user} u ON u.id = ue.userid
|
|
WHERE ue.enrolid $instancesql AND
|
|
u.id $idsql
|
|
ORDER BY u.firstname ASC, u.lastname ASC";
|
|
|
|
$rs = $DB->get_recordset_sql($sql, $idparams + $instanceparams);
|
|
$users = array();
|
|
foreach ($rs as $ue) {
|
|
$user = user_picture::unalias($ue);
|
|
$ue->id = $ue->ueid;
|
|
unset($ue->ueid);
|
|
if (!array_key_exists($user->id, $users)) {
|
|
$user->enrolments = array();
|
|
$users[$user->id] = $user;
|
|
}
|
|
$ue->enrolmentinstance = $instances[$ue->enrolid];
|
|
$ue->enrolmentplugin = $plugins[$ue->enrolmentinstance->enrol];
|
|
$users[$user->id]->enrolments[$ue->id] = $ue;
|
|
}
|
|
$rs->close();
|
|
return $users;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* A button that is used to enrol users in a course
|
|
*
|
|
* @copyright 2010 Sam Hemelryk
|
|
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
|
|
*/
|
|
class enrol_user_button extends single_button {
|
|
|
|
/**
|
|
* An array containing JS YUI modules required by this button
|
|
* @var array
|
|
*/
|
|
protected $jsyuimodules = array();
|
|
|
|
/**
|
|
* An array containing JS initialisation calls required by this button
|
|
* @var array
|
|
*/
|
|
protected $jsinitcalls = array();
|
|
|
|
/**
|
|
* An array strings required by JS for this button
|
|
* @var array
|
|
*/
|
|
protected $jsstrings = array();
|
|
|
|
/**
|
|
* Initialises the new enrol_user_button
|
|
*
|
|
* @staticvar int $count The number of enrol user buttons already created
|
|
* @param moodle_url $url
|
|
* @param string $label The text to display in the button
|
|
* @param string $method Either post or get
|
|
*/
|
|
public function __construct(moodle_url $url, $label, $method = 'post') {
|
|
static $count = 0;
|
|
$count ++;
|
|
parent::__construct($url, $label, $method);
|
|
$this->class = 'singlebutton enrolusersbutton';
|
|
$this->formid = 'enrolusersbutton-'.$count;
|
|
}
|
|
|
|
/**
|
|
* Adds a YUI module call that will be added to the page when the button is used.
|
|
*
|
|
* @param string|array $modules One or more modules to require
|
|
* @param string $function The JS function to call
|
|
* @param array $arguments An array of arguments to pass to the function
|
|
* @param string $galleryversion The YUI gallery version of any modules required
|
|
* @param bool $ondomready If true the call is postponed until the DOM is finished loading
|
|
*/
|
|
public function require_yui_module($modules, $function, array $arguments = null, $galleryversion = '2010.04.08-12-35', $ondomready = false) {
|
|
$js = new stdClass;
|
|
$js->modules = (array)$modules;
|
|
$js->function = $function;
|
|
$js->arguments = $arguments;
|
|
$js->galleryversion = $galleryversion;
|
|
$js->ondomready = $ondomready;
|
|
$this->jsyuimodules[] = $js;
|
|
}
|
|
|
|
/**
|
|
* Adds a JS initialisation call to the page when the button is used.
|
|
*
|
|
* @param string $function The function to call
|
|
* @param array $extraarguments An array of arguments to pass to the function
|
|
* @param bool $ondomready If true the call is postponed until the DOM is finished loading
|
|
* @param array $module A module definition
|
|
*/
|
|
public function require_js_init_call($function, array $extraarguments = null, $ondomready = false, array $module = null) {
|
|
$js = new stdClass;
|
|
$js->function = $function;
|
|
$js->extraarguments = $extraarguments;
|
|
$js->ondomready = $ondomready;
|
|
$js->module = $module;
|
|
$this->jsinitcalls[] = $js;
|
|
}
|
|
|
|
/**
|
|
* Requires strings for JS that will be loaded when the button is used.
|
|
*
|
|
* @param type $identifiers
|
|
* @param string $component
|
|
* @param mixed $a
|
|
*/
|
|
public function strings_for_js($identifiers, $component = 'moodle', $a = null) {
|
|
$string = new stdClass;
|
|
$string->identifiers = (array)$identifiers;
|
|
$string->component = $component;
|
|
$string->a = $a;
|
|
$this->jsstrings[] = $string;
|
|
}
|
|
|
|
/**
|
|
* Initialises the JS that is required by this button
|
|
*
|
|
* @param moodle_page $page
|
|
*/
|
|
public function initialise_js(moodle_page $page) {
|
|
foreach ($this->jsyuimodules as $js) {
|
|
$page->requires->yui_module($js->modules, $js->function, $js->arguments, $js->galleryversion, $js->ondomready);
|
|
}
|
|
foreach ($this->jsinitcalls as $js) {
|
|
$page->requires->js_init_call($js->function, $js->extraarguments, $js->ondomready, $js->module);
|
|
}
|
|
foreach ($this->jsstrings as $string) {
|
|
$page->requires->strings_for_js($string->identifiers, $string->component, $string->a);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* User enrolment action
|
|
*
|
|
* This class is used to manage a renderable ue action such as editing an user enrolment or deleting
|
|
* a user enrolment.
|
|
*
|
|
* @copyright 2011 Sam Hemelryk
|
|
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
|
|
*/
|
|
class user_enrolment_action implements renderable {
|
|
|
|
/**
|
|
* The icon to display for the action
|
|
* @var pix_icon
|
|
*/
|
|
protected $icon;
|
|
|
|
/**
|
|
* The title for the action
|
|
* @var string
|
|
*/
|
|
protected $title;
|
|
|
|
/**
|
|
* The URL to the action
|
|
* @var moodle_url
|
|
*/
|
|
protected $url;
|
|
|
|
/**
|
|
* An array of HTML attributes
|
|
* @var array
|
|
*/
|
|
protected $attributes = array();
|
|
|
|
/**
|
|
* Constructor
|
|
* @param pix_icon $icon
|
|
* @param string $title
|
|
* @param moodle_url $url
|
|
* @param array $attributes
|
|
*/
|
|
public function __construct(pix_icon $icon, $title, $url, array $attributes = null) {
|
|
$this->icon = $icon;
|
|
$this->title = $title;
|
|
$this->url = new moodle_url($url);
|
|
if (!empty($attributes)) {
|
|
$this->attributes = $attributes;
|
|
}
|
|
$this->attributes['title'] = $title;
|
|
}
|
|
|
|
/**
|
|
* Returns the icon for this action
|
|
* @return pix_icon
|
|
*/
|
|
public function get_icon() {
|
|
return $this->icon;
|
|
}
|
|
|
|
/**
|
|
* Returns the title for this action
|
|
* @return string
|
|
*/
|
|
public function get_title() {
|
|
return $this->title;
|
|
}
|
|
|
|
/**
|
|
* Returns the URL for this action
|
|
* @return moodle_url
|
|
*/
|
|
public function get_url() {
|
|
return $this->url;
|
|
}
|
|
|
|
/**
|
|
* Returns the attributes to use for this action
|
|
* @return array
|
|
*/
|
|
public function get_attributes() {
|
|
return $this->attributes;
|
|
}
|
|
}
|
|
|
|
class enrol_ajax_exception extends moodle_exception {
|
|
/**
|
|
* Constructor
|
|
* @param string $errorcode The name of the string from error.php to print
|
|
* @param string $module name of module
|
|
* @param string $link The url where the user will be prompted to continue. If no url is provided the user will be directed to the site index page.
|
|
* @param object $a Extra words and phrases that might be required in the error string
|
|
* @param string $debuginfo optional debugging information
|
|
*/
|
|
public function __construct($errorcode, $link = '', $a = NULL, $debuginfo = null) {
|
|
parent::__construct($errorcode, 'enrol', $link, $a, $debuginfo);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This class is used to manage a bulk operations for enrolment plugins.
|
|
*
|
|
* @copyright 2011 Sam Hemelryk
|
|
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
|
|
*/
|
|
abstract class enrol_bulk_enrolment_operation {
|
|
|
|
/**
|
|
* The course enrolment manager
|
|
* @var course_enrolment_manager
|
|
*/
|
|
protected $manager;
|
|
|
|
/**
|
|
* The enrolment plugin to which this operation belongs
|
|
* @var enrol_plugin
|
|
*/
|
|
protected $plugin;
|
|
|
|
/**
|
|
* Contructor
|
|
* @param course_enrolment_manager $manager
|
|
* @param stdClass $plugin
|
|
*/
|
|
public function __construct(course_enrolment_manager $manager, enrol_plugin $plugin = null) {
|
|
$this->manager = $manager;
|
|
$this->plugin = $plugin;
|
|
}
|
|
|
|
/**
|
|
* Returns a moodleform used for this operation, or false if no form is required and the action
|
|
* should be immediatly processed.
|
|
*
|
|
* @param moodle_url|string $defaultaction
|
|
* @param mixed $defaultcustomdata
|
|
* @return enrol_bulk_enrolment_change_form|moodleform|false
|
|
*/
|
|
public function get_form($defaultaction = null, $defaultcustomdata = null) {
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Returns the title to use for this bulk operation
|
|
*
|
|
* @return string
|
|
*/
|
|
abstract public function get_title();
|
|
|
|
/**
|
|
* Returns the identifier for this bulk operation.
|
|
* This should be the same identifier used by the plugins function when returning
|
|
* all of its bulk operations.
|
|
*
|
|
* @return string
|
|
*/
|
|
abstract public function get_identifier();
|
|
|
|
/**
|
|
* Processes the bulk operation on the given users
|
|
*
|
|
* @param course_enrolment_manager $manager
|
|
* @param array $users
|
|
* @param stdClass $properties
|
|
*/
|
|
abstract public function process(course_enrolment_manager $manager, array $users, stdClass $properties);
|
|
}
|