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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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* Event observer.
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*
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* @package block_recentlyaccesseditems
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* @copyright 2018 Victor Deniz
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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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namespace block_recentlyaccesseditems;
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defined('MOODLE_INTERNAL') || die();
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/**
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* Events observer.
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*
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* Stores all actions about modules viewed in block_recentlyaccesseditems table.
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*
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* @package block_recentlyaccesseditems
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* @copyright 2018 Victor Deniz <victor@moodle.com>
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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 observer {
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/**
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* @var string Block table name.
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*/
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private static $table = 'block_recentlyaccesseditems';
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/**
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* Register items views in block_recentlyaccesseditems table.
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*
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* When the item is view for the first time, a new record is created. If the item was viewed before, the time is
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* updated.
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*
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* @param \core\event\base $event
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*/
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public static function store(\core\event\base $event) {
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global $DB;
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if (!isloggedin() or \core\session\manager::is_loggedinas() or isguestuser()) {
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// No access tracking.
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return;
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}
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$conditions = [
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'userid' => $event->userid
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];
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$records = $DB->get_records(self::$table, $conditions, "timeaccess DESC");
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foreach ($records as $record) {
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if (($record->userid == $event->userid) && ($record->cmid == $event->contextinstanceid)) {
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$conditions = [
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'userid' => $event->userid,
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'cmid' => $event->contextinstanceid
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];
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$DB->set_field(self::$table, 'timeaccess', $event->timecreated, $conditions);
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return;
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}
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}
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if (count($records) >= 9) {
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$conditions = [
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'id' => end($records)->id,
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];
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$DB->delete_records(self::$table, $conditions);
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}
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$eventdata = new \stdClass();
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$eventdata->cmid = $event->contextinstanceid;
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$eventdata->timeaccess = $event->timecreated;
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$eventdata->courseid = $event->courseid;
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$eventdata->userid = $event->userid;
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$DB->insert_record(self::$table, $eventdata);
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}
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/**
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* Remove record when course module is deleted.
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*
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* @param \core\event\base $event
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*/
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public static function remove(\core\event\base $event) {
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global $DB;
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$DB->delete_records(self::$table, array('cmid' => $event->contextinstanceid));
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}
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}
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