Proyectos de Subversion Moodle

<?php

// This file is part of Moodle - http://moodle.org/

//

// Moodle is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

//

// Moodle is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**

 * Loglive report renderable class.

 *

 * @package    report_loglive

 * @copyright  2014 onwards Ankit Agarwal <ankit.agrr@gmail.com>

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

defined('MOODLE_INTERNAL') || die;

/**

 * Report loglive renderable class.

 *

 * @since      Moodle 2.7

 * @package    report_loglive

 * @copyright  2014 onwards Ankit Agarwal <ankit.agrr@gmail.com>

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

class report_loglive_renderable implements renderable {

    /** @var int number of seconds to show logs from, by default. */

    const CUTOFF = 3600;

    /** @var \core\log\manager log manager */

    protected $logmanager;

    /** @var string selected log reader pluginname */

    public $selectedlogreader = null;

    /** @var int page number */

    public $page;

    /** @var int perpage records to show */

    public $perpage;

    /** @var stdClass course record */

    public $course;

    /** @var moodle_url url of report page */

    public $url;

    /** @var int selected date from which records should be displayed */

    public $date;

    /** @var string order to sort */

    public $order;

    /** @var int group id */

    public $groupid;

    /** @var report_loglive_table_log table log which will be used for rendering logs */

    public $tablelog;

    /** @var  int refresh rate in seconds */

    protected $refresh  = 60;

    /**

     * Constructor.

     *

     * @param string $logreader (optional)reader pluginname from which logs will be fetched.

     * @param stdClass|int $course (optional) course record or id

     * @param moodle_url|string $url (optional) page url.

     * @param int $date date (optional) from which records will be fetched.

     * @param int $page (optional) page number.

     * @param int $perpage (optional) number of records to show per page.

     * @param string $order (optional) sortorder of fetched records

     */

    public function __construct($logreader = "", $course = 0, $url = "", $date = 0, $page = 0, $perpage = 100,

                                $order = "timecreated DESC") {

        global $PAGE;

        // Use first reader as selected reader, if not passed.

        if (empty($logreader)) {

            $readers = $this->get_readers();

            if (!empty($readers)) {

                reset($readers);

                $logreader = key($readers);

            } else {

                $logreader = null;

            }

        }

        $this->selectedlogreader = $logreader;

        // Use page url if empty.

        if (empty($url)) {

            $url = new moodle_url($PAGE->url);

        } else {

            $url = new moodle_url($url);

        }

        $this->url = $url;

        // Use site course id, if course is empty.

        if (!empty($course) && is_int($course)) {

            $course = get_course($course);

        }

        $this->course = $course;

        if ($date == 0 ) {

            $date = time() - self::CUTOFF;

        }

        $this->date = $date;

        $this->page = $page;

        $this->perpage = $perpage;

        $this->order = $order;

        $this->set_refresh_rate();

    }

    /**

     * Get a list of enabled sql_reader objects/name

     *

     * @param bool $nameonly if true only reader names will be returned.

     *

     * @return array core\log\sql_reader object or name.

     */

    public function get_readers($nameonly = false) {

        if (!isset($this->logmanager)) {

            $this->logmanager = get_log_manager();

        }

        $readers = $this->logmanager->get_readers('core\log\sql_reader');

        if ($nameonly) {

            foreach ($readers as $pluginname => $reader) {

                $readers[$pluginname] = $reader->get_name();

            }

        }

        return $readers;

    }

    /**

     * Setup table log.

     */

    protected function setup_table() {

        $filter = $this->setup_filters();

        $this->tablelog = new report_loglive_table_log('report_loglive', $filter);

        $this->tablelog->define_baseurl($this->url);

    }

    /**

     * Setup table log for ajax output.

     */

    protected function setup_table_ajax() {

        $filter = $this->setup_filters();

        $this->tablelog = new report_loglive_table_log_ajax('report_loglive', $filter);

        $this->tablelog->define_baseurl($this->url);

    }

    /**

     * Setup filters

     *

     * @return stdClass filters

     */

    protected function setup_filters() {

        $readers = $this->get_readers();

        // Set up filters.

        $filter = new \stdClass();

        if (!empty($this->course)) {

            $filter->courseid = $this->course->id;

            $context = context_course::instance($filter->courseid);

            if (!has_capability('moodle/site:viewanonymousevents', $context)) {

                $filter->anonymous = 0;

            }

        } else {

            $filter->courseid = 0;

        }

        $filter->logreader = $readers[$this->selectedlogreader];

        $filter->date = $this->date;

        $filter->orderby = $this->order;

        return $filter;

    }

    /**

     * Set refresh rate of the live updates.

     */

    protected function set_refresh_rate() {

        if (defined('BEHAT_SITE_RUNNING')) {

            // Hack for behat tests.

            $this->refresh = 5;

        } else {

            if (defined('REPORT_LOGLIVE_REFRESH')) {

                // Backward compatibility.

                $this->refresh = REPORT_LOGLIVE_REFRESH;

            } else {

                // Default.

                $this->refresh = 60;

            }

        }

    }

    /**

     * Get refresh rate of the live updates.

     */

    public function get_refresh_rate() {

        return $this->refresh;

    }

    /**

     * Setup table and return it.

     *

     * @param bool $ajax If set to true report_loglive_table_log_ajax is set instead of report_loglive_table_log.

     *

     * @return report_loglive_table_log|report_loglive_table_log_ajax table object

     */

    public function get_table($ajax = false) {

        if (empty($this->tablelog)) {

            if ($ajax) {

                $this->setup_table_ajax();

            } else {

                $this->setup_table();

            }

        }

        return $this->tablelog;

    }

}