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Differences Between: [Versions 39 and 400] [Versions 39 and 401] [Versions 39 and 402] [Versions 39 and 403]

   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   * Label external API
  19   *
  20   * @package    mod_label
  21   * @category   external
  22   * @copyright  2017 Juan Leyva <juan@moodle.com>
  23   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24   * @since      Moodle 3.3
  25   */
  26  
  27  defined('MOODLE_INTERNAL') || die;
  28  
  29  require_once("$CFG->libdir/externallib.php");
  30  
  31  /**
  32   * Label external functions
  33   *
  34   * @package    mod_label
  35   * @category   external
  36   * @copyright  2017 Juan Leyva <juan@moodle.com>
  37   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  38   * @since      Moodle 3.3
  39   */
  40  class mod_label_external extends external_api {
  41  
  42      /**
  43       * Describes the parameters for get_labels_by_courses.
  44       *
  45       * @return external_function_parameters
  46       * @since Moodle 3.3
  47       */
  48      public static function get_labels_by_courses_parameters() {
  49          return new external_function_parameters (
  50              array(
  51                  'courseids' => new external_multiple_structure(
  52                      new external_value(PARAM_INT, 'Course id'), 'Array of course ids', VALUE_DEFAULT, array()
  53                  ),
  54              )
  55          );
  56      }
  57  
  58      /**
  59       * Returns a list of labels in a provided list of courses.
  60       * If no list is provided all labels that the user can view will be returned.
  61       *
  62       * @param array $courseids course ids
  63       * @return array of warnings and labels
  64       * @since Moodle 3.3
  65       */
  66      public static function get_labels_by_courses($courseids = array()) {
  67  
  68          $warnings = array();
  69          $returnedlabels = array();
  70  
  71          $params = array(
  72              'courseids' => $courseids,
  73          );
  74          $params = self::validate_parameters(self::get_labels_by_courses_parameters(), $params);
  75  
  76          $mycourses = array();
  77          if (empty($params['courseids'])) {
  78              $mycourses = enrol_get_my_courses();
  79              $params['courseids'] = array_keys($mycourses);
  80          }
  81  
  82          // Ensure there are courseids to loop through.
  83          if (!empty($params['courseids'])) {
  84  
  85              list($courses, $warnings) = external_util::validate_courses($params['courseids'], $mycourses);
  86  
  87              // Get the labels in this course, this function checks users visibility permissions.
  88              // We can avoid then additional validate_context calls.
  89              $labels = get_all_instances_in_courses("label", $courses);
  90              foreach ($labels as $label) {
  91                  $context = context_module::instance($label->coursemodule);
  92                  // Entry to return.
  93                  $label->name = external_format_string($label->name, $context->id);
  94                  $options = array('noclean' => true);
  95                  list($label->intro, $label->introformat) =
  96                      external_format_text($label->intro, $label->introformat, $context->id, 'mod_label', 'intro', null, $options);
  97                  $label->introfiles = external_util::get_area_files($context->id, 'mod_label', 'intro', false, false);
  98  
  99                  $returnedlabels[] = $label;
 100              }
 101          }
 102  
 103          $result = array(
 104              'labels' => $returnedlabels,
 105              'warnings' => $warnings
 106          );
 107          return $result;
 108      }
 109  
 110      /**
 111       * Describes the get_labels_by_courses return value.
 112       *
 113       * @return external_single_structure
 114       * @since Moodle 3.3
 115       */
 116      public static function get_labels_by_courses_returns() {
 117          return new external_single_structure(
 118              array(
 119                  'labels' => new external_multiple_structure(
 120                      new external_single_structure(
 121                          array(
 122                              'id' => new external_value(PARAM_INT, 'Module id'),
 123                              'coursemodule' => new external_value(PARAM_INT, 'Course module id'),
 124                              'course' => new external_value(PARAM_INT, 'Course id'),
 125                              'name' => new external_value(PARAM_RAW, 'Label name'),
 126                              'intro' => new external_value(PARAM_RAW, 'Label contents'),
 127                              'introformat' => new external_format_value('intro', 'Content format'),
 128                              'introfiles' => new external_files('Files in the introduction text'),
 129                              'timemodified' => new external_value(PARAM_INT, 'Last time the label was modified'),
 130                              'section' => new external_value(PARAM_INT, 'Course section id'),
 131                              'visible' => new external_value(PARAM_INT, 'Module visibility'),
 132                              'groupmode' => new external_value(PARAM_INT, 'Group mode'),
 133                              'groupingid' => new external_value(PARAM_INT, 'Grouping id'),
 134                          )
 135                      )
 136                  ),
 137                  'warnings' => new external_warnings(),
 138              )
 139          );
 140      }
 141  }