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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   * No time splitting method.
  19   *
  20   * Used when time is not a factor to consider into the equation.
  21   *
  22   * @package   core
  23   * @copyright 2016 David Monllao {@link http://www.davidmonllao.com}
  24   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  25   */
  26  
  27  namespace core\analytics\time_splitting;
  28  
  29  defined('MOODLE_INTERNAL') || die();
  30  
  31  /**
  32   * No time splitting method.
  33   *
  34   * Used when time is not a factor to consider into the equation.
  35   *
  36   * @package   core
  37   * @copyright 2016 David Monllao {@link http://www.davidmonllao.com}
  38   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  39   */
  40  class no_splitting extends \core_analytics\local\time_splitting\base {
  41  
  42      /**
  43       * Returns a lang_string object representing the name for the time splitting method.
  44       *
  45       * Used as column identificator.
  46       *
  47       * If there is a corresponding '_help' string this will be shown as well.
  48       *
  49       * @return \lang_string
  50       */
  51      public static function get_name() : \lang_string {
  52          return new \lang_string('timesplitting:nosplitting');
  53      }
  54  
  55      /**
  56       * ready_to_predict
  57       *
  58       * @param array $range
  59       * @return true
  60       */
  61      public function ready_to_predict($range) {
  62          return true;
  63      }
  64  
  65      /**
  66       * define_ranges
  67       *
  68       * @return array
  69       */
  70      protected function define_ranges() {
  71          return [
  72              [
  73                  'start' => 0,
  74                  'end' => \core_analytics\analysable::MAX_TIME,
  75                  // Time is ignored as we overwrite ready_to_predict.
  76                  'time' => 0
  77              ]
  78          ];
  79      }
  80  }