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   1  <?php
   2  
   3  ///////////////////////////////////////////////////////////////////////////
   4  //                                                                       //
   5  // NOTICE OF COPYRIGHT                                                   //
   6  //                                                                       //
   7  // Moodle - Modular Object-Oriented Dynamic Learning Environment         //
   8  //          http://moodle.org                                            //
   9  //                                                                       //
  10  // Copyright (C) 1999 onwards Martin Dougiamas  http://dougiamas.com     //
  11  //                                                                       //
  12  // This program is free software; you can redistribute it and/or modify  //
  13  // it under the terms of the GNU General Public License as published by  //
  14  // the Free Software Foundation; either version 2 of the License, or     //
  15  // (at your option) any later version.                                   //
  16  //                                                                       //
  17  // This program is distributed in the hope that it will be useful,       //
  18  // but WITHOUT ANY WARRANTY; without even the implied warranty of        //
  19  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         //
  20  // GNU General Public License for more details:                          //
  21  //                                                                       //
  22  //          http://www.gnu.org/copyleft/gpl.html                         //
  23  //                                                                       //
  24  ///////////////////////////////////////////////////////////////////////////
  25  
  26  /**
  27   * Forms associated with requesting courses, and having requests approved.
  28   * Note that several related forms are defined in this one file.
  29   *
  30   * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
  31   * @package course
  32   */
  33  
  34  if (!defined('MOODLE_INTERNAL')) {
  35      die('Direct access to this script is forbidden.');    ///  It must be included from a Moodle page
  36  }
  37  
  38  require_once($CFG->libdir.'/formslib.php');
  39  require_once($CFG->libdir.'/coursecatlib.php');
  40  
  41  /**
  42   * A form for a user to request a course.
  43   */
  44  class course_request_form extends moodleform {
  45      function definition() {
  46          global $CFG, $DB, $USER;
  47  
  48          $mform =& $this->_form;
  49  
  50          if ($pending = $DB->get_records('course_request', array('requester' => $USER->id))) {
  51              $mform->addElement('header', 'pendinglist', get_string('coursespending'));
  52              $list = array();
  53              foreach ($pending as $cp) {
  54                  $list[] = format_string($cp->fullname);
  55              }
  56              $list = implode(', ', $list);
  57              $mform->addElement('static', 'pendingcourses', get_string('courses'), $list);
  58          }
  59  
  60          $mform->addElement('header','coursedetails', get_string('courserequestdetails'));
  61  
  62          $mform->addElement('text', 'fullname', get_string('fullnamecourse'), 'maxlength="254" size="50"');
  63          $mform->addHelpButton('fullname', 'fullnamecourse');
  64          $mform->addRule('fullname', get_string('missingfullname'), 'required', null, 'client');
  65          $mform->setType('fullname', PARAM_TEXT);
  66  
  67          $mform->addElement('text', 'shortname', get_string('shortnamecourse'), 'maxlength="100" size="20"');
  68          $mform->addHelpButton('shortname', 'shortnamecourse');
  69          $mform->addRule('shortname', get_string('missingshortname'), 'required', null, 'client');
  70          $mform->setType('shortname', PARAM_TEXT);
  71  
  72          if (!empty($CFG->requestcategoryselection)) {
  73              $displaylist = coursecat::make_categories_list();
  74              $mform->addElement('select', 'category', get_string('coursecategory'), $displaylist);
  75              $mform->setDefault('category', $CFG->defaultrequestcategory);
  76              $mform->addHelpButton('category', 'coursecategory');
  77          }
  78  
  79          $mform->addElement('editor', 'summary_editor', get_string('summary'), null, course_request::summary_editor_options());
  80          $mform->addHelpButton('summary_editor', 'coursesummary');
  81          $mform->setType('summary_editor', PARAM_RAW);
  82  
  83          $mform->addElement('header','requestreason', get_string('courserequestreason'));
  84  
  85          $mform->addElement('textarea', 'reason', get_string('courserequestsupport'), array('rows'=>'15', 'cols'=>'50'));
  86          $mform->addRule('reason', get_string('missingreqreason'), 'required', null, 'client');
  87          $mform->setType('reason', PARAM_TEXT);
  88  
  89          $this->add_action_buttons(true, get_string('requestcourse'));
  90      }
  91  
  92      function validation($data, $files) {
  93          global $DB;
  94  
  95          $errors = parent::validation($data, $files);
  96          $foundcourses = null;
  97          $foundreqcourses = null;
  98  
  99          if (!empty($data['shortname'])) {
 100              $foundcourses = $DB->get_records('course', array('shortname'=>$data['shortname']));
 101              $foundreqcourses = $DB->get_records('course_request', array('shortname'=>$data['shortname']));
 102          }
 103          if (!empty($foundreqcourses)) {
 104              if (!empty($foundcourses)) {
 105                  $foundcourses = array_merge($foundcourses, $foundreqcourses);
 106              } else {
 107                  $foundcourses = $foundreqcourses;
 108              }
 109          }
 110  
 111          if (!empty($foundcourses)) {
 112              foreach ($foundcourses as $foundcourse) {
 113                  if (!empty($foundcourse->requester)) {
 114                      $pending = 1;
 115                      $foundcoursenames[] = $foundcourse->fullname.' [*]';
 116                  } else {
 117                      $foundcoursenames[] = $foundcourse->fullname;
 118                  }
 119              }
 120              $foundcoursenamestring = implode(',', $foundcoursenames);
 121  
 122              $errors['shortname'] = get_string('shortnametaken', '', $foundcoursenamestring);
 123              if (!empty($pending)) {
 124                  $errors['shortname'] .= get_string('starpending');
 125              }
 126          }
 127  
 128          return $errors;
 129      }
 130  }
 131  
 132  /**
 133   * A form for an administrator to reject a course request.
 134   */
 135  class reject_request_form extends moodleform {
 136      function definition() {
 137          $mform =& $this->_form;
 138  
 139          $mform->addElement('hidden', 'reject', 0);
 140          $mform->setType('reject', PARAM_INT);
 141  
 142          $mform->addElement('header','coursedetails', get_string('coursereasonforrejecting'));
 143  
 144          $mform->addElement('textarea', 'rejectnotice', get_string('coursereasonforrejectingemail'), array('rows'=>'15', 'cols'=>'50'));
 145          $mform->addRule('rejectnotice', get_string('missingreqreason'), 'required', null, 'client');
 146          $mform->setType('rejectnotice', PARAM_TEXT);
 147  
 148          $this->add_action_buttons(true, get_string('reject'));
 149      }
 150  }
 151