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   1  // This file is part of Moodle - http://moodle.org/
   2  //
   3  // Moodle is free software: you can redistribute it and/or modify
   4  // it under the terms of the GNU General Public License as published by
   5  // the Free Software Foundation, either version 3 of the License, or
   6  // (at your option) any later version.
   7  //
   8  // Moodle is distributed in the hope that it will be useful,
   9  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  // GNU General Public License for more details.
  12  //
  13  // You should have received a copy of the GNU General Public License
  14  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  15  
  16  /**
  17   * Custom auto-complete adapter to load users from the assignment list_participants webservice.
  18   *
  19   * @module     mod_assign/participants_selector
  20   * @copyright  2015 Damyon Wiese <damyon@moodle.com>
  21   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  22   */
  23  define(['core/ajax', 'jquery', 'core/templates'], function(ajax, $, templates) {
  24  
  25  
  26      return /** @alias module:mod_assign/participants_selector */ {
  27  
  28          // Public variables and functions.
  29          /**
  30           * Process the results returned from transport (convert to value + label)
  31           *
  32           * @method processResults
  33           * @param {String} selector
  34           * @param {Array} data
  35           * @return {Array}
  36           */
  37          processResults: function(selector, data) {
  38              var results = [];
  39              var i = 0;
  40              for (i = 0; i < data.length; i++) {
  41                  results[i] = {value: data[i].id, label: data[i].label};
  42              }
  43              return results;
  44          },
  45  
  46          /**
  47           * Fetch results based on the current query. This also renders each result from a template before returning them.
  48           *
  49           * @method transport
  50           * @param {String} selector Selector for the original select element
  51           * @param {String} query Current search string
  52           * @param {Function} success Success handler
  53           * @param {Function} failure Failure handler
  54           */
  55          transport: function(selector, query, success, failure) {
  56              var assignmentid = $(selector).attr('data-assignmentid');
  57              var filters = $('[data-region="configure-filters"] input[type="checkbox"]');
  58              var filterstrings = [];
  59  
  60              filters.each(function(index, element) {
  61                  filterstrings[$(element).attr('name')] = $(element).prop('checked');
  62              });
  63  
  64              var promise = ajax.call([{
  65                  methodname: 'mod_assign_list_participants', args: {assignid: assignmentid, groupid: 0, filter: query, limit: 30}
  66              }]);
  67  
  68              promise[0].then(function(results) {
  69                  var promises = [];
  70                  var identityfields = $('[data-showuseridentity]').data('showuseridentity').split(',');
  71  
  72                  // We got the results, now we loop over them and render each one from a template.
  73                  $.each(results, function(index, user) {
  74                      var ctx = user,
  75                          identity = [],
  76                          show = true;
  77  
  78                      if (filterstrings.filter_submitted && !user.submitted) {
  79                          show = false;
  80                      }
  81                      if (filterstrings.filter_notsubmitted && user.submitted) {
  82                          show = false;
  83                      }
  84                      if (filterstrings.filter_requiregrading && !user.requiregrading) {
  85                          show = false;
  86                      }
  87                      if (show) {
  88                          $.each(identityfields, function(i, k) {
  89                              if (typeof user[k] !== 'undefined' && user[k] !== '') {
  90                                  ctx.hasidentity = true;
  91                                  identity.push(user[k]);
  92                              }
  93                          });
  94                          ctx.identity = identity.join(', ');
  95                          promises.push(templates.render('mod_assign/list_participant_user_summary', ctx));
  96                      }
  97                  });
  98  
  99                  // When all the templates have been rendered, call the success handler.
 100                  $.when.apply($.when, promises).then(function() {
 101                      var args = arguments,
 102                          i = 0;
 103  
 104                      $.each(results, function(index, user) {
 105                          user.label = args[i];
 106                          i++;
 107                      });
 108  
 109                      success(results);
 110                  });
 111              }, failure);
 112          }
 113      };
 114  });