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   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   * Single time splitting method.
  19   *
  20   * @package   core
  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\time_splitting;
  26  
  27  defined('MOODLE_INTERNAL') || die();
  28  
  29  /**
  30   * Single time splitting method.
  31   *
  32   * @package   core
  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 single_range extends \core_analytics\local\time_splitting\base
  37          implements \core_analytics\local\time_splitting\before_now {
  38  
  39      /**
  40       * Returns a lang_string object representing the name for the time spliting method.
  41       *
  42       * Used as column identificator.
  43       *
  44       * If there is a corresponding '_help' string this will be shown as well.
  45       *
  46       * @return \lang_string
  47       */
  48      public static function get_name() : \lang_string {
  49          return new \lang_string('timesplitting:singlerange');
  50      }
  51  
  52      /**
  53       * One single range covering all analysable duration.
  54       *
  55       * @return array
  56       */
  57      protected function define_ranges() {
  58          // Key 'time' == 0 because we want it to start predicting from the beginning.
  59          return [
  60              [
  61                  'start' => $this->analysable->get_start(),
  62                  'end' => $this->analysable->get_end(),
  63                  'time' => 0
  64              ]
  65          ];
  66      }
  67  }