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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   * Time splitting method that generates monthly predictions.
  19   *
  20   * @package   core_analytics
  21   * @copyright 2019 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   * Time splitting method that generates monthly predictions.
  31   *
  32   * @package   core_analytics
  33   * @copyright 2019 David Monllao {@link http://www.davidmonllao.com}
  34   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  35   */
  36  class past_month extends \core_analytics\local\time_splitting\past_periodic {
  37  
  38      /**
  39       * The time splitting method name.
  40       *
  41       * @return \lang_string
  42       */
  43      public static function get_name() : \lang_string {
  44          return new \lang_string('timesplitting:pastmonth');
  45      }
  46  
  47      /**
  48       * Once a month.
  49       *
  50       * @return \DateInterval
  51       */
  52      public function periodicity() {
  53          return new \DateInterval('P1M');
  54      }
  55  }