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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   * Privacy Subsystem implementation for customfield_textarea.
  18   *
  19   * @package    customfield_textarea
  20   * @copyright  2018 Daniel Neis Araujo <danielneis@gmail.com>
  21   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  22   */
  23  namespace customfield_textarea\privacy;
  24  
  25  use core_customfield\data_controller;
  26  use core_customfield\privacy\customfield_provider;
  27  use core_privacy\local\request\writer;
  28  
  29  defined('MOODLE_INTERNAL') || die();
  30  
  31  /**
  32   * Privacy Subsystem for customfield_textarea implementing null_provider.
  33   *
  34   * @copyright  2018 Daniel Neis Araujo <danielneis@gmail.com>
  35   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  36   */
  37  class provider implements \core_privacy\local\metadata\null_provider, customfield_provider {
  38  
  39      /**
  40       * Get the language string identifier with the component's language
  41       * file to explain why this plugin stores no data.
  42       *
  43       * @return  string
  44       */
  45      public static function get_reason() : string {
  46          return 'privacy:metadata';
  47      }
  48  
  49      /**
  50       * Preprocesses data object that is going to be exported
  51       *
  52       * @param data_controller $data
  53       * @param \stdClass $exportdata
  54       * @param array $subcontext
  55       */
  56      public static function export_customfield_data(data_controller $data, \stdClass $exportdata, array $subcontext) {
  57          $context = $data->get_context();
  58          $exportdata->value = writer::with_context($context)
  59              ->rewrite_pluginfile_urls($subcontext, 'customfield_textarea', 'value',
  60                  $exportdata->id, $exportdata->value);
  61          writer::with_context($context)
  62              ->export_data($subcontext, $exportdata)
  63              ->export_area_files($subcontext, 'customfield_textarea', 'value', $exportdata->id);
  64      }
  65  
  66      /**
  67       * Allows plugins to delete everything they store related to the data (usually files)
  68       *
  69       * @param string $dataidstest
  70       * @param array $params
  71       * @param array $contextids
  72       * @return mixed|void
  73       */
  74      public static function before_delete_data(string $dataidstest, array $params, array $contextids) {
  75          $fs = get_file_storage();
  76          foreach ($contextids as $contextid) {
  77              $fs->delete_area_files_select($contextid, 'customfield_textarea', 'value', $dataidstest, $params);
  78          }
  79      }
  80  
  81      /**
  82       * Allows plugins to delete everything they store related to the field configuration (usually files)
  83       *
  84       * The implementation should not delete data or anything related to the data, since "before_delete_data" is
  85       * invoked separately.
  86       *
  87       * @param string $fieldidstest
  88       * @param array $params
  89       * @param array $contextids
  90       */
  91      public static function before_delete_fields(string $fieldidstest, array $params, array $contextids) {
  92          $fs = get_file_storage();
  93          foreach ($contextids as $contextid) {
  94              $fs->delete_area_files_select($contextid, 'customfield_textarea', 'defaultvalue', $fieldidstest, $params);
  95          }
  96      }
  97  }