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697 lines
29 KiB
697 lines
29 KiB
2 years ago
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<?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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* Flatfile enrolment plugin.
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*
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* This plugin lets the user specify a "flatfile" (CSV) containing enrolment information.
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* On a regular cron cycle, the specified file is parsed and then deleted.
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*
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* @package enrol_flatfile
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* @copyright 2010 Eugene Venter
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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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* Flatfile enrolment plugin implementation.
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*
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* Comma separated file assumed to have four or six fields per line:
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* operation, role, idnumber(user), idnumber(course) [, starttime [, endtime]]
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* where:
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* operation = add | del
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* role = student | teacher | teacheredit
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* idnumber(user) = idnumber in the user table NB not id
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* idnumber(course) = idnumber in the course table NB not id
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* starttime = start time (in seconds since epoch) - optional
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* endtime = end time (in seconds since epoch) - optional
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*
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* @author Eugene Venter - based on code by Petr Skoda, Martin Dougiamas, Martin Langhoff and others
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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_flatfile_plugin extends enrol_plugin {
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protected $lasternoller = null;
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protected $lasternollercourseid = 0;
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/**
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* Does this plugin assign protected roles are can they be manually removed?
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* @return bool - false means anybody may tweak roles, it does not use itemid and component when assigning roles
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*/
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public function roles_protected() {
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return false;
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}
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/**
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* Does this plugin allow manual unenrolment of all users?
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* All plugins allowing this must implement 'enrol/xxx:unenrol' capability
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*
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* @param stdClass $instance course enrol instance
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* @return bool - true means user with 'enrol/xxx:unenrol' may unenrol others freely, false means nobody may touch user_enrolments
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*/
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public function allow_unenrol(stdClass $instance) {
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return true;
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}
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/**
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* Does this plugin allow manual unenrolment of a specific user?
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* All plugins allowing this must implement 'enrol/xxx:unenrol' capability
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*
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* This is useful especially for synchronisation plugins that
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* do suspend instead of full unenrolment.
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*
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* @param stdClass $instance course enrol instance
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* @param stdClass $ue record from user_enrolments table, specifies user
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*
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* @return bool - true means user with 'enrol/xxx:unenrol' may unenrol this user, false means nobody may touch this user enrolment
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*/
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public function allow_unenrol_user(stdClass $instance, stdClass $ue) {
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return true;
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}
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/**
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* Does this plugin allow manual changes in user_enrolments table?
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*
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* All plugins allowing this must implement 'enrol/xxx:manage' capability
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*
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* @param stdClass $instance course enrol instance
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* @return bool - true means it is possible to change enrol period and status in user_enrolments table
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*/
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public function allow_manage(stdClass $instance) {
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return true;
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}
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/**
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* Is it possible to delete enrol instance via standard UI?
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*
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* @param object $instance
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* @return bool
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*/
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public function can_delete_instance($instance) {
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$context = context_course::instance($instance->courseid);
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return has_capability('enrol/flatfile:manage', $context);
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}
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/**
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* Is it possible to hide/show enrol instance via standard UI?
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*
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* @param stdClass $instance
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* @return bool
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*/
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public function can_hide_show_instance($instance) {
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$context = context_course::instance($instance->courseid);
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return has_capability('enrol/flatfile:manage', $context);
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}
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/**
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* Enrol user into course via enrol instance.
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*
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* @param stdClass $instance
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* @param int $userid
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* @param int $roleid optional role id
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* @param int $timestart 0 means unknown
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* @param int $timeend 0 means forever
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* @param int $status default to ENROL_USER_ACTIVE for new enrolments, no change by default in updates
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* @param bool $recovergrades restore grade history
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* @return void
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*/
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public function enrol_user(stdClass $instance, $userid, $roleid = null, $timestart = 0, $timeend = 0, $status = null, $recovergrades = null) {
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parent::enrol_user($instance, $userid, null, $timestart, $timeend, $status, $recovergrades);
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if ($roleid) {
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$context = context_course::instance($instance->courseid, MUST_EXIST);
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role_assign($roleid, $userid, $context->id, 'enrol_'.$this->get_name(), $instance->id);
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}
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}
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/**
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* Execute synchronisation.
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* @param progress_trace
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* @return int exit code, 0 means ok, 2 means plugin disabled
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*/
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public function sync(progress_trace $trace) {
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if (!enrol_is_enabled('flatfile')) {
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return 2;
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}
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$mailadmins = $this->get_config('mailadmins', 0);
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if ($mailadmins) {
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$buffer = new progress_trace_buffer(new text_progress_trace(), false);
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$trace = new combined_progress_trace(array($trace, $buffer));
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}
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$processed = false;
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$processed = $this->process_file($trace) || $processed;
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$processed = $this->process_buffer($trace) || $processed;
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$processed = $this->process_expirations($trace) || $processed;
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if ($processed and $mailadmins) {
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if ($log = $buffer->get_buffer()) {
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$eventdata = new \core\message\message();
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$eventdata->courseid = SITEID;
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$eventdata->modulename = 'moodle';
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$eventdata->component = 'enrol_flatfile';
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$eventdata->name = 'flatfile_enrolment';
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$eventdata->userfrom = get_admin();
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$eventdata->userto = get_admin();
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$eventdata->subject = 'Flatfile Enrolment Log';
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$eventdata->fullmessage = $log;
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$eventdata->fullmessageformat = FORMAT_PLAIN;
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$eventdata->fullmessagehtml = '';
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$eventdata->smallmessage = '';
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message_send($eventdata);
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}
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$buffer->reset_buffer();
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}
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return 0;
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}
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/**
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* Sorry, we do not want to show paths in cron output.
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*
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* @param string $filepath
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* @return string
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*/
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protected function obfuscate_filepath($filepath) {
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global $CFG;
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if (strpos($filepath, $CFG->dataroot.'/') === 0 or strpos($filepath, $CFG->dataroot.'\\') === 0) {
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$disclosefile = '$CFG->dataroot'.substr($filepath, strlen($CFG->dataroot));
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} else if (strpos($filepath, $CFG->dirroot.'/') === 0 or strpos($filepath, $CFG->dirroot.'\\') === 0) {
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$disclosefile = '$CFG->dirroot'.substr($filepath, strlen($CFG->dirroot));
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} else {
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$disclosefile = basename($filepath);
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}
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return $disclosefile;
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}
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/**
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* Process flatfile.
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* @param progress_trace $trace
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* @return bool true if any data processed, false if not
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*/
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protected function process_file(progress_trace $trace) {
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global $CFG, $DB;
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// We may need more memory here.
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core_php_time_limit::raise();
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raise_memory_limit(MEMORY_HUGE);
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$filelocation = $this->get_config('location');
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if (empty($filelocation)) {
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// Default legacy location.
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$filelocation = "$CFG->dataroot/1/enrolments.txt";
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}
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$disclosefile = $this->obfuscate_filepath($filelocation);
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if (!file_exists($filelocation)) {
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$trace->output("Flatfile enrolments file not found: $disclosefile");
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$trace->finished();
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return false;
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}
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$trace->output("Processing flat file enrolments from: $disclosefile ...");
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$content = file_get_contents($filelocation);
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if ($content !== false) {
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$rolemap = $this->get_role_map($trace);
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$content = core_text::convert($content, $this->get_config('encoding', 'utf-8'), 'utf-8');
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$content = str_replace("\r", '', $content);
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$content = explode("\n", $content);
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$line = 0;
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foreach($content as $fields) {
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$line++;
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if (trim($fields) === '') {
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// Empty lines are ignored.
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continue;
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}
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// Deal with different separators.
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if (strpos($fields, ',') !== false) {
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$fields = explode(',', $fields);
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} else {
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$fields = explode(';', $fields);
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}
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// If a line is incorrectly formatted ie does not have 4 comma separated fields then ignore it.
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if (count($fields) < 4 or count($fields) > 6) {
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$trace->output("Line incorrectly formatted - ignoring $line", 1);
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continue;
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}
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$fields[0] = trim(core_text::strtolower($fields[0]));
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$fields[1] = trim(core_text::strtolower($fields[1]));
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$fields[2] = trim($fields[2]);
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$fields[3] = trim($fields[3]);
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$fields[4] = isset($fields[4]) ? (int)trim($fields[4]) : 0;
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$fields[5] = isset($fields[5]) ? (int)trim($fields[5]) : 0;
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// Deal with quoted values - all or nothing, we need to support "' in idnumbers, sorry.
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if (strpos($fields[0], "'") === 0) {
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foreach ($fields as $k=>$v) {
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$fields[$k] = trim($v, "'");
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}
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} else if (strpos($fields[0], '"') === 0) {
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foreach ($fields as $k=>$v) {
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$fields[$k] = trim($v, '"');
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}
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}
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$trace->output("$line: $fields[0], $fields[1], $fields[2], $fields[3], $fields[4], $fields[5]", 1);
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// Check correct formatting of operation field.
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if ($fields[0] !== "add" and $fields[0] !== "del") {
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$trace->output("Unknown operation in field 1 - ignoring line $line", 1);
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continue;
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}
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// Check correct formatting of role field.
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if (!isset($rolemap[$fields[1]])) {
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$trace->output("Unknown role in field2 - ignoring line $line", 1);
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continue;
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}
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$roleid = $rolemap[$fields[1]];
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if (empty($fields[2]) or !$user = $DB->get_record("user", array("idnumber"=>$fields[2], 'deleted'=>0))) {
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$trace->output("Unknown user idnumber or deleted user in field 3 - ignoring line $line", 1);
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continue;
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}
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if (!$course = $DB->get_record("course", array("idnumber"=>$fields[3]))) {
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$trace->output("Unknown course idnumber in field 4 - ignoring line $line", 1);
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continue;
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}
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if ($fields[4] > $fields[5] and $fields[5] != 0) {
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$trace->output("Start time was later than end time - ignoring line $line", 1);
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continue;
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}
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$this->process_records($trace, $fields[0], $roleid, $user, $course, $fields[4], $fields[5]);
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}
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unset($content);
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}
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if (!unlink($filelocation)) {
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$eventdata = new \core\message\message();
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$eventdata->courseid = SITEID;
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$eventdata->modulename = 'moodle';
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$eventdata->component = 'enrol_flatfile';
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$eventdata->name = 'flatfile_enrolment';
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$eventdata->userfrom = get_admin();
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$eventdata->userto = get_admin();
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$eventdata->subject = get_string('filelockedmailsubject', 'enrol_flatfile');
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$eventdata->fullmessage = get_string('filelockedmail', 'enrol_flatfile', $filelocation);
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$eventdata->fullmessageformat = FORMAT_PLAIN;
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$eventdata->fullmessagehtml = '';
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$eventdata->smallmessage = '';
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message_send($eventdata);
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$trace->output("Error deleting enrolment file: $disclosefile", 1);
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} else {
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$trace->output("Deleted enrolment file", 1);
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}
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$trace->output("...finished enrolment file processing.");
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$trace->finished();
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return true;
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}
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/**
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* Process any future enrollments stored in the buffer.
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* @param progress_trace $trace
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* @return bool true if any data processed, false if not
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*/
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protected function process_buffer(progress_trace $trace) {
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global $DB;
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if (!$future_enrols = $DB->get_records_select('enrol_flatfile', "timestart < ?", array(time()))) {
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$trace->output("No enrolments to be processed in flatfile buffer");
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$trace->finished();
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return false;
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}
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$trace->output("Starting processing of flatfile buffer");
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foreach($future_enrols as $en) {
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$user = $DB->get_record('user', array('id'=>$en->userid));
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$course = $DB->get_record('course', array('id'=>$en->courseid));
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if ($user and $course) {
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$trace->output("buffer: $en->action $en->roleid $user->id $course->id $en->timestart $en->timeend", 1);
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$this->process_records($trace, $en->action, $en->roleid, $user, $course, $en->timestart, $en->timeend, false);
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}
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$DB->delete_records('enrol_flatfile', array('id'=>$en->id));
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}
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$trace->output("Finished processing of flatfile buffer");
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$trace->finished();
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return true;
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}
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/**
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* Process user enrolment line.
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*
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* @param progress_trace $trace
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* @param string $action
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* @param int $roleid
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* @param stdClass $user
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* @param stdClass $course
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* @param int $timestart
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* @param int $timeend
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* @param bool $buffer_if_future
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*/
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protected function process_records(progress_trace $trace, $action, $roleid, $user, $course, $timestart, $timeend, $buffer_if_future = true) {
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global $CFG, $DB;
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// Check if timestart is for future processing.
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if ($timestart > time() and $buffer_if_future) {
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// Populate into enrol_flatfile table as a future role to be assigned by cron.
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// Note: since 2.0 future enrolments do not cause problems if you disable guest access.
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$future_en = new stdClass();
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$future_en->action = $action;
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$future_en->roleid = $roleid;
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$future_en->userid = $user->id;
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$future_en->courseid = $course->id;
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$future_en->timestart = $timestart;
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$future_en->timeend = $timeend;
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$future_en->timemodified = time();
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$DB->insert_record('enrol_flatfile', $future_en);
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$trace->output("User $user->id will be enrolled later into course $course->id using role $roleid ($timestart, $timeend)", 1);
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return;
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}
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$context = context_course::instance($course->id);
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if ($action === 'add') {
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// Clear the buffer just in case there were some future enrolments.
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$DB->delete_records('enrol_flatfile', array('userid'=>$user->id, 'courseid'=>$course->id, 'roleid'=>$roleid));
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|
|
||
|
$instance = $DB->get_record('enrol', array('courseid' => $course->id, 'enrol' => 'flatfile'));
|
||
|
if (empty($instance)) {
|
||
|
// Only add an enrol instance to the course if non-existent.
|
||
|
$enrolid = $this->add_instance($course);
|
||
|
$instance = $DB->get_record('enrol', array('id' => $enrolid));
|
||
|
}
|
||
|
|
||
|
$notify = false;
|
||
|
if ($ue = $DB->get_record('user_enrolments', array('enrolid'=>$instance->id, 'userid'=>$user->id))) {
|
||
|
// Update only.
|
||
|
$this->update_user_enrol($instance, $user->id, ENROL_USER_ACTIVE, $timestart, $timeend);
|
||
|
if (!$DB->record_exists('role_assignments', array('contextid'=>$context->id, 'roleid'=>$roleid, 'userid'=>$user->id, 'component'=>'enrol_flatfile', 'itemid'=>$instance->id))) {
|
||
|
role_assign($roleid, $user->id, $context->id, 'enrol_flatfile', $instance->id);
|
||
|
}
|
||
|
$trace->output("User $user->id enrolment updated in course $course->id using role $roleid ($timestart, $timeend)", 1);
|
||
|
|
||
|
} else {
|
||
|
// Enrol the user with this plugin instance.
|
||
|
$this->enrol_user($instance, $user->id, $roleid, $timestart, $timeend);
|
||
|
$trace->output("User $user->id enrolled in course $course->id using role $roleid ($timestart, $timeend)", 1);
|
||
|
$notify = true;
|
||
|
}
|
||
|
|
||
|
if ($notify and $this->get_config('mailstudents')) {
|
||
|
$oldforcelang = force_current_language($user->lang);
|
||
|
|
||
|
// Send welcome notification to enrolled users.
|
||
|
$a = new stdClass();
|
||
|
$a->coursename = format_string($course->fullname, true, array('context' => $context));
|
||
|
$a->profileurl = "$CFG->wwwroot/user/view.php?id=$user->id&course=$course->id";
|
||
|
$subject = get_string('enrolmentnew', 'enrol', format_string($course->shortname, true, array('context' => $context)));
|
||
|
|
||
|
$eventdata = new \core\message\message();
|
||
|
$eventdata->courseid = $course->id;
|
||
|
$eventdata->modulename = 'moodle';
|
||
|
$eventdata->component = 'enrol_flatfile';
|
||
|
$eventdata->name = 'flatfile_enrolment';
|
||
|
$eventdata->userfrom = $this->get_enroller($course->id);
|
||
|
$eventdata->userto = $user;
|
||
|
$eventdata->subject = $subject;
|
||
|
$eventdata->fullmessage = get_string('welcometocoursetext', '', $a);
|
||
|
$eventdata->fullmessageformat = FORMAT_PLAIN;
|
||
|
$eventdata->fullmessagehtml = '';
|
||
|
$eventdata->smallmessage = '';
|
||
|
if (message_send($eventdata)) {
|
||
|
$trace->output("Notified enrolled user", 1);
|
||
|
} else {
|
||
|
$trace->output("Failed to notify enrolled user", 1);
|
||
|
}
|
||
|
|
||
|
force_current_language($oldforcelang);
|
||
|
}
|
||
|
|
||
|
if ($notify and $this->get_config('mailteachers', 0)) {
|
||
|
// Notify person responsible for enrolments.
|
||
|
$enroller = $this->get_enroller($course->id);
|
||
|
|
||
|
$oldforcelang = force_current_language($enroller->lang);
|
||
|
|
||
|
$a = new stdClass();
|
||
|
$a->course = format_string($course->fullname, true, array('context' => $context));
|
||
|
$a->user = fullname($user);
|
||
|
$subject = get_string('enrolmentnew', 'enrol', format_string($course->shortname, true, array('context' => $context)));
|
||
|
|
||
|
$eventdata = new \core\message\message();
|
||
|
$eventdata->courseid = $course->id;
|
||
|
$eventdata->modulename = 'moodle';
|
||
|
$eventdata->component = 'enrol_flatfile';
|
||
|
$eventdata->name = 'flatfile_enrolment';
|
||
|
$eventdata->userfrom = get_admin();
|
||
|
$eventdata->userto = $enroller;
|
||
|
$eventdata->subject = $subject;
|
||
|
$eventdata->fullmessage = get_string('enrolmentnewuser', 'enrol', $a);
|
||
|
$eventdata->fullmessageformat = FORMAT_PLAIN;
|
||
|
$eventdata->fullmessagehtml = '';
|
||
|
$eventdata->smallmessage = '';
|
||
|
if (message_send($eventdata)) {
|
||
|
$trace->output("Notified enroller {$eventdata->userto->id}", 1);
|
||
|
} else {
|
||
|
$trace->output("Failed to notify enroller {$eventdata->userto->id}", 1);
|
||
|
}
|
||
|
|
||
|
force_current_language($oldforcelang);
|
||
|
}
|
||
|
return;
|
||
|
|
||
|
} else if ($action === 'del') {
|
||
|
// Clear the buffer just in case there were some future enrolments.
|
||
|
$DB->delete_records('enrol_flatfile', array('userid'=>$user->id, 'courseid'=>$course->id, 'roleid'=>$roleid));
|
||
|
|
||
|
$action = $this->get_config('unenrolaction');
|
||
|
if ($action == ENROL_EXT_REMOVED_KEEP) {
|
||
|
$trace->output("del action is ignored", 1);
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
// Loops through all enrolment methods, try to unenrol if roleid somehow matches.
|
||
|
$instances = $DB->get_records('enrol', array('courseid' => $course->id));
|
||
|
$unenrolled = false;
|
||
|
foreach ($instances as $instance) {
|
||
|
if (!$ue = $DB->get_record('user_enrolments', array('enrolid'=>$instance->id, 'userid'=>$user->id))) {
|
||
|
continue;
|
||
|
}
|
||
|
if ($instance->enrol === 'flatfile') {
|
||
|
$plugin = $this;
|
||
|
} else {
|
||
|
if (!enrol_is_enabled($instance->enrol)) {
|
||
|
continue;
|
||
|
}
|
||
|
if (!$plugin = enrol_get_plugin($instance->enrol)) {
|
||
|
continue;
|
||
|
}
|
||
|
if (!$plugin->allow_unenrol_user($instance, $ue)) {
|
||
|
continue;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// For some reason the del action includes a role name, this complicates everything.
|
||
|
$componentroles = array();
|
||
|
$manualroles = array();
|
||
|
$ras = $DB->get_records('role_assignments', array('userid'=>$user->id, 'contextid'=>$context->id));
|
||
|
foreach ($ras as $ra) {
|
||
|
if ($ra->component === '') {
|
||
|
$manualroles[$ra->roleid] = $ra->roleid;
|
||
|
} else if ($ra->component === 'enrol_'.$instance->enrol and $ra->itemid == $instance->id) {
|
||
|
$componentroles[$ra->roleid] = $ra->roleid;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if ($componentroles and !isset($componentroles[$roleid])) {
|
||
|
// Do not unenrol using this method, user has some other protected role!
|
||
|
continue;
|
||
|
|
||
|
} else if (empty($ras)) {
|
||
|
// If user does not have any roles then let's just suspend as many methods as possible.
|
||
|
|
||
|
} else if (!$plugin->roles_protected()) {
|
||
|
if (!$componentroles and $manualroles and !isset($manualroles[$roleid])) {
|
||
|
// Most likely we want to keep users enrolled because they have some other course roles.
|
||
|
continue;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if ($action == ENROL_EXT_REMOVED_UNENROL) {
|
||
|
$unenrolled = true;
|
||
|
if (!$plugin->roles_protected()) {
|
||
|
role_unassign_all(array('contextid'=>$context->id, 'userid'=>$user->id, 'roleid'=>$roleid, 'component'=>'', 'itemid'=>0), true);
|
||
|
}
|
||
|
$plugin->unenrol_user($instance, $user->id);
|
||
|
$trace->output("User $user->id was unenrolled from course $course->id (enrol_$instance->enrol)", 1);
|
||
|
|
||
|
} else if ($action == ENROL_EXT_REMOVED_SUSPENDNOROLES) {
|
||
|
if ($plugin->allow_manage($instance)) {
|
||
|
if ($ue->status == ENROL_USER_ACTIVE) {
|
||
|
$unenrolled = true;
|
||
|
$plugin->update_user_enrol($instance, $user->id, ENROL_USER_SUSPENDED);
|
||
|
if (!$plugin->roles_protected()) {
|
||
|
role_unassign_all(array('contextid'=>$context->id, 'userid'=>$user->id, 'component'=>'enrol_'.$instance->enrol, 'itemid'=>$instance->id), true);
|
||
|
role_unassign_all(array('contextid'=>$context->id, 'userid'=>$user->id, 'roleid'=>$roleid, 'component'=>'', 'itemid'=>0), true);
|
||
|
}
|
||
|
$trace->output("User $user->id enrolment was suspended in course $course->id (enrol_$instance->enrol)", 1);
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (!$unenrolled) {
|
||
|
if (0 == $DB->count_records('role_assignments', array('userid'=>$user->id, 'contextid'=>$context->id))) {
|
||
|
role_unassign_all(array('contextid'=>$context->id, 'userid'=>$user->id, 'component'=>'', 'itemid'=>0), true);
|
||
|
}
|
||
|
$trace->output("User $user->id (with role $roleid) not unenrolled from course $course->id", 1);
|
||
|
}
|
||
|
|
||
|
return;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Returns the user who is responsible for flatfile enrolments in given curse.
|
||
|
*
|
||
|
* Usually it is the first editing teacher - the person with "highest authority"
|
||
|
* as defined by sort_by_roleassignment_authority() having 'enrol/flatfile:manage'
|
||
|
* or 'moodle/role:assign' capability.
|
||
|
*
|
||
|
* @param int $courseid enrolment instance id
|
||
|
* @return stdClass user record
|
||
|
*/
|
||
|
protected function get_enroller($courseid) {
|
||
|
if ($this->lasternollercourseid == $courseid and $this->lasternoller) {
|
||
|
return $this->lasternoller;
|
||
|
}
|
||
|
|
||
|
$context = context_course::instance($courseid);
|
||
|
|
||
|
$users = get_enrolled_users($context, 'enrol/flatfile:manage');
|
||
|
if (!$users) {
|
||
|
$users = get_enrolled_users($context, 'moodle/role:assign');
|
||
|
}
|
||
|
|
||
|
if ($users) {
|
||
|
$users = sort_by_roleassignment_authority($users, $context);
|
||
|
$this->lasternoller = reset($users);
|
||
|
unset($users);
|
||
|
} else {
|
||
|
$this->lasternoller = get_admin();
|
||
|
}
|
||
|
|
||
|
$this->lasternollercourseid == $courseid;
|
||
|
|
||
|
return $this->lasternoller;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Returns a mapping of ims roles to role ids.
|
||
|
*
|
||
|
* @param progress_trace $trace
|
||
|
* @return array imsrolename=>roleid
|
||
|
*/
|
||
|
protected function get_role_map(progress_trace $trace) {
|
||
|
global $DB;
|
||
|
|
||
|
// Get all roles.
|
||
|
$rolemap = array();
|
||
|
$roles = $DB->get_records('role', null, '', 'id, name, shortname');
|
||
|
foreach ($roles as $id=>$role) {
|
||
|
$alias = $this->get_config('map_'.$id, $role->shortname, '');
|
||
|
$alias = trim(core_text::strtolower($alias));
|
||
|
if ($alias === '') {
|
||
|
// Either not configured yet or somebody wants to skip these intentionally.
|
||
|
continue;
|
||
|
}
|
||
|
if (isset($rolemap[$alias])) {
|
||
|
$trace->output("Duplicate role alias $alias detected!");
|
||
|
} else {
|
||
|
$rolemap[$alias] = $id;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return $rolemap;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Restore instance and map settings.
|
||
|
*
|
||
|
* @param restore_enrolments_structure_step $step
|
||
|
* @param stdClass $data
|
||
|
* @param stdClass $course
|
||
|
* @param int $oldid
|
||
|
*/
|
||
|
public function restore_instance(restore_enrolments_structure_step $step, stdClass $data, $course, $oldid) {
|
||
|
global $DB;
|
||
|
|
||
|
if ($instance = $DB->get_record('enrol', array('courseid'=>$course->id, 'enrol'=>$this->get_name()))) {
|
||
|
$instanceid = $instance->id;
|
||
|
} else {
|
||
|
$instanceid = $this->add_instance($course);
|
||
|
}
|
||
|
$step->set_mapping('enrol', $oldid, $instanceid);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Restore user enrolment.
|
||
|
*
|
||
|
* @param restore_enrolments_structure_step $step
|
||
|
* @param stdClass $data
|
||
|
* @param stdClass $instance
|
||
|
* @param int $oldinstancestatus
|
||
|
* @param int $userid
|
||
|
*/
|
||
|
public function restore_user_enrolment(restore_enrolments_structure_step $step, $data, $instance, $userid, $oldinstancestatus) {
|
||
|
$this->enrol_user($instance, $userid, null, $data->timestart, $data->timeend, $data->status);
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Restore role assignment.
|
||
|
*
|
||
|
* @param stdClass $instance
|
||
|
* @param int $roleid
|
||
|
* @param int $userid
|
||
|
* @param int $contextid
|
||
|
*/
|
||
|
public function restore_role_assignment($instance, $roleid, $userid, $contextid) {
|
||
|
role_assign($roleid, $userid, $contextid, 'enrol_'.$instance->enrol, $instance->id);
|
||
|
}
|
||
|
}
|