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https://github.com/moodle/moodle.git
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358 lines
12 KiB
PHP
358 lines
12 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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* Auxiliary manual user enrolment lib, the main purpose is to lower memory requirements...
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*
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* @package enrol
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* @subpackage manual
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* @copyright 2010 Petr Skoda {@link http://skodak.org}
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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defined('MOODLE_INTERNAL') || die();
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require_once($CFG->dirroot . '/user/selector/lib.php');
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require_once($CFG->dirroot . '/enrol/locallib.php');
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/**
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* Enrol candidates
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*/
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class enrol_manual_potential_participant extends user_selector_base {
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protected $enrolid;
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public function __construct($name, $options) {
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$this->enrolid = $options['enrolid'];
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parent::__construct($name, $options);
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}
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/**
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* Candidate users
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* @param <type> $search
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* @return array
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*/
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public function find_users($search) {
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global $DB;
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//by default wherecondition retrieves all users except the deleted, not confirmed and guest
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list($wherecondition, $params) = $this->search_sql($search, 'u');
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$params['enrolid'] = $this->enrolid;
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$fields = 'SELECT ' . $this->required_fields_sql('u');
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$countfields = 'SELECT COUNT(1)';
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$sql = " FROM {user} u
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WHERE $wherecondition AND
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u.id NOT IN (
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SELECT ue.userid
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FROM {user_enrolments} ue
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JOIN {enrol} e ON (e.id = ue.enrolid AND e.id = :enrolid))";
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$order = ' ORDER BY u.lastname ASC, u.firstname ASC';
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if (!$this->is_validating()) {
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$potentialmemberscount = $DB->count_records_sql($countfields . $sql, $params);
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if ($potentialmemberscount > 100) {
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return $this->too_many_results($search, $potentialmemberscount);
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}
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}
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$availableusers = $DB->get_records_sql($fields . $sql . $order, $params);
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if (empty($availableusers)) {
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return array();
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}
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if ($search) {
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$groupname = get_string('enrolcandidatesmatching', 'enrol', $search);
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} else {
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$groupname = get_string('enrolcandidates', 'enrol');
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}
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return array($groupname => $availableusers);
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}
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protected function get_options() {
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$options = parent::get_options();
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$options['enrolid'] = $this->enrolid;
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$options['file'] = 'enrol/manual/locallib.php';
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return $options;
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}
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}
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/**
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* Enroled users
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*/
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class enrol_manual_current_participant extends user_selector_base {
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protected $courseid;
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protected $enrolid;
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public function __construct($name, $options) {
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$this->enrolid = $options['enrolid'];
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parent::__construct($name, $options);
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}
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/**
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* Candidate users
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* @param <type> $search
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* @return array
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*/
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public function find_users($search) {
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global $DB;
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//by default wherecondition retrieves all users except the deleted, not confirmed and guest
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list($wherecondition, $params) = $this->search_sql($search, 'u');
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$params['enrolid'] = $this->enrolid;
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$fields = 'SELECT ' . $this->required_fields_sql('u');
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$countfields = 'SELECT COUNT(1)';
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$sql = " FROM {user} u
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JOIN {user_enrolments} ue ON (ue.userid = u.id AND ue.enrolid = :enrolid)
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WHERE $wherecondition";
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$order = ' ORDER BY u.lastname ASC, u.firstname ASC';
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if (!$this->is_validating()) {
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$potentialmemberscount = $DB->count_records_sql($countfields . $sql, $params);
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if ($potentialmemberscount > 100) {
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return $this->too_many_results($search, $potentialmemberscount);
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}
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}
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$availableusers = $DB->get_records_sql($fields . $sql . $order, $params);
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if (empty($availableusers)) {
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return array();
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}
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if ($search) {
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$groupname = get_string('enrolledusersmatching', 'enrol', $search);
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} else {
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$groupname = get_string('enrolledusers', 'enrol');
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}
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return array($groupname => $availableusers);
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}
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protected function get_options() {
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$options = parent::get_options();
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$options['enrolid'] = $this->enrolid;
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$options['file'] = 'enrol/manual/locallib.php';
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return $options;
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}
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}
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/**
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* A bulk operation for the manual enrolment plugin to edit selected users.
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*
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* @copyright 2011 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 enrol_manual_editselectedusers_operation extends enrol_bulk_enrolment_operation {
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/**
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* Returns the title to display for this bulk operation.
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*
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* @return string
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*/
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public function get_title() {
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return get_string('editselectedusers', 'enrol_manual');
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}
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/**
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* Returns the identifier for this bulk operation. This is the key used when the plugin
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* returns an array containing all of the bulk operations it supports.
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*/
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public function get_identifier() {
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return 'editselectedusers';
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}
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/**
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* Processes the bulk operation request for the given userids with the provided properties.
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*
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* @global moodle_database $DB
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* @param course_enrolment_manager $manager
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* @param array $userids
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* @param stdClass $properties The data returned by the form.
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*/
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public function process(course_enrolment_manager $manager, array $users, stdClass $properties) {
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global $DB, $USER;
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if (!has_capability("enrol/manual:manage", $manager->get_context())) {
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return false;
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}
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// Get all of the user enrolment id's
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$ueids = array();
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$instances = array();
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foreach ($users as $user) {
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foreach ($user->enrolments as $enrolment) {
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$ueids[] = $enrolment->id;
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if (!array_key_exists($enrolment->id, $instances)) {
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$instances[$enrolment->id] = $enrolment;
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}
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}
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}
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// Check that each instance is manageable by the current user.
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foreach ($instances as $instance) {
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if (!$this->plugin->allow_manage($instance)) {
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return false;
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}
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}
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// Collect the known properties.
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$status = $properties->status;
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$timestart = $properties->timestart;
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$timeend = $properties->timeend;
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list($ueidsql, $params) = $DB->get_in_or_equal($ueids, SQL_PARAMS_NAMED);
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$updatesql = array();
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if ($status == ENROL_USER_ACTIVE || $status == ENROL_USER_SUSPENDED) {
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$updatesql[] = 'status = :status';
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$params['status'] = (int)$status;
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}
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if (!empty($timestart)) {
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$updatesql[] = 'timestart = :timestart';
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$params['timestart'] = (int)$timestart;
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}
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if (!empty($timeend)) {
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$updatesql[] = 'timeend = :timeend';
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$params['timeend'] = (int)$timeend;
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}
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if (empty($updatesql)) {
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return true;
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}
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// Update the modifierid
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$updatesql[] = 'modifierid = :modifierid';
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$params['modifierid'] = (int)$USER->id;
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// Update the time modified
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$updatesql[] = 'timemodified = :timemodified';
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$params['timemodified'] = time();
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// Build the SQL statement
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$updatesql = join(', ', $updatesql);
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$sql = "UPDATE {user_enrolments}
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SET $updatesql
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WHERE id $ueidsql";
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if ($DB->execute($sql, $params)) {
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foreach ($users as $user) {
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foreach ($user->enrolments as $enrolment) {
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$enrolment->courseid = $enrolment->enrolmentinstance->courseid;
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$enrolment->enrol = 'manual';
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events_trigger('user_enrol_modified', $enrolment);
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}
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}
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return true;
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}
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return false;
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}
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/**
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* Returns a enrol_bulk_enrolment_operation extension form to be used
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* in collecting required information for this operation to be processed.
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*
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* @param string|moodle_url|null $defaultaction
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* @param mixed $defaultcustomdata
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* @return enrol_manual_editselectedusers_form
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*/
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public function get_form($defaultaction = null, $defaultcustomdata = null) {
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global $CFG;
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require_once($CFG->dirroot.'/enrol/manual/bulkchangeforms.php');
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return new enrol_manual_editselectedusers_form($defaultaction, $defaultcustomdata);
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}
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}
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/**
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* A bulk operation for the manual enrolment plugin to delete selected users enrolments.
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*
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* @copyright 2011 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 enrol_manual_deleteselectedusers_operation extends enrol_bulk_enrolment_operation {
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/**
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* Returns the title to display for this bulk operation.
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*
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* @return string
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*/
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public function get_identifier() {
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return 'deleteselectedusers';
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}
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/**
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* Returns the identifier for this bulk operation. This is the key used when the plugin
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* returns an array containing all of the bulk operations it supports.
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*
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* @return string
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*/
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public function get_title() {
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return get_string('deleteselectedusers', 'enrol_manual');
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}
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/**
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* Returns a enrol_bulk_enrolment_operation extension form to be used
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* in collecting required information for this operation to be processed.
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*
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* @param string|moodle_url|null $defaultaction
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* @param mixed $defaultcustomdata
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* @return enrol_manual_editselectedusers_form
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*/
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public function get_form($defaultaction = null, $defaultcustomdata = null) {
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global $CFG;
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require_once($CFG->dirroot.'/enrol/manual/bulkchangeforms.php');
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if (!array($defaultcustomdata)) {
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$defaultcustomdata = array();
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}
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$defaultcustomdata['title'] = $this->get_title();
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$defaultcustomdata['message'] = get_string('confirmbulkdeleteenrolment', 'enrol_manual');
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$defaultcustomdata['button'] = get_string('unenrolusers', 'enrol_manual');
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return new enrol_manual_deleteselectedusers_form($defaultaction, $defaultcustomdata);
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}
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/**
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* Processes the bulk operation request for the given userids with the provided properties.
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*
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* @global moodle_database $DB
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* @param course_enrolment_manager $manager
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* @param array $userids
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* @param stdClass $properties The data returned by the form.
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*/
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public function process(course_enrolment_manager $manager, array $users, stdClass $properties) {
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global $DB;
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if (!has_capability("enrol/manual:unenrol", $manager->get_context())) {
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return false;
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}
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foreach ($users as $user) {
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foreach ($user->enrolments as $enrolment) {
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$plugin = $enrolment->enrolmentplugin;
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$instance = $enrolment->enrolmentinstance;
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if ($plugin->allow_unenrol_user($instance, $enrolment)) {
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$plugin->unenrol_user($instance, $user->id);
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}
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}
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}
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return true;
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}
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} |