analytics/classes/site.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 /**
  18  * Moodle site analysable.
  19  *
  20  * @package   core_analytics
  21  * @copyright 2016 David Monllao {@link http://www.davidmonllao.com}
  22  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24
  25 namespace core_analytics;
  26
  27 defined('MOODLE_INTERNAL') || die();
  28
  29 /**
  30  * Moodle site analysable.
  31  *
  32  * @package   core_analytics
  33  * @copyright 2016 David Monllao {@link http://www.davidmonllao.com}
  34  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  35  */
  36 class site implements \core_analytics\analysable {
  37
  38     /**
  39      * @var int
  40      */
  41     protected $start;
  42
  43     /**
  44      * @var int
  45      */
  46     protected $end;
  47
  48     /**
  49      * Analysable id
  50      *
  51      * @return int
  52      */
  53     public function get_id() {
  54         return SYSCONTEXTID;
  55     }
  56
  57     /**
  58      * Site.
  59      *
  60      * @return string
  61      */
  62     public function get_name() {
  63         return get_string('site');
  64     }
  65
  66     /**
  67      * Analysable context.
  68      *
  69      * @return \context
  70      */
  71     public function get_context() {
  72         return \context_system::instance();
  73     }
  74
  75     /**
  76      * Analysable start timestamp.
  77      *
  78      * @return int
  79      */
  80     public function get_start() {
  81         if (!empty($this->start)) {
  82             return $this->start;
  83         }
  84
  85         // Much faster than reading the first log in the site.
  86         $admins = get_admins();
  87         $this->start = 9999999999;
  88         foreach ($admins as $admin) {
  89             if ($admin->firstaccess < $this->start) {
  90                 $this->start = $admin->firstaccess;
  91             }
  92         }
  93         return $this->start;
  94     }
  95
  96     /**
  97      * Analysable end timestamp.
  98      *
  99      * @return int
 100      */
 101     public function get_end() {
 102         if (!empty($this->end)) {
 103             return $this->end;
 104         }
 105
 106         $this->end = time();
 107         return $this->end;
 108     }
 109 }