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   1  <?php
   2  
   3  /////////////////////////////////////////////////////////////////////////////
   4  //                                                                         //
   5  // NOTICE OF COPYRIGHT                                                     //
   6  //                                                                         //
   7  // Moodle - Calendar extension                                             //
   8  //                                                                         //
   9  // Copyright (C) 2003-2004  Greek School Network            www.sch.gr     //
  10  //                                                                         //
  11  // Designed by:                                                            //
  12  //     Avgoustos Tsinakos ([email protected])                         //
  13  //     Jon Papaioannou ([email protected])                                     //
  14  //                                                                         //
  15  // Programming and development:                                            //
  16  //     Jon Papaioannou ([email protected])                                     //
  17  //                                                                         //
  18  // For bugs, suggestions, etc contact:                                     //
  19  //     Jon Papaioannou ([email protected])                                     //
  20  //                                                                         //
  21  // The current module was developed at the University of Macedonia         //
  22  // (www.uom.gr) under the funding of the Greek School Network (www.sch.gr) //
  23  // The aim of this project is to provide additional and improved           //
  24  // functionality to the Asynchronous Distance Education service that the   //
  25  // Greek School Network deploys.                                           //
  26  //                                                                         //
  27  // This program is free software; you can redistribute it and/or modify    //
  28  // it under the terms of the GNU General Public License as published by    //
  29  // the Free Software Foundation; either version 2 of the License, or       //
  30  // (at your option) any later version.                                     //
  31  //                                                                         //
  32  // This program is distributed in the hope that it will be useful,         //
  33  // but WITHOUT ANY WARRANTY; without even the implied warranty of          //
  34  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           //
  35  // GNU General Public License for more details:                            //
  36  //                                                                         //
  37  //          http://www.gnu.org/copyleft/gpl.html                           //
  38  //                                                                         //
  39  /////////////////////////////////////////////////////////////////////////////
  40  
  41  /**
  42   * This file is part of the User section Moodle
  43   *
  44   * @copyright 2003-2004 Jon Papaioannou ([email protected])
  45   * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v2 or later
  46   * @package calendar
  47   */
  48  
  49  require_once('../config.php');
  50  require_once($CFG->dirroot.'/course/lib.php');
  51  require_once($CFG->dirroot.'/calendar/lib.php');
  52  
  53  if (empty($CFG->enablecalendarexport)) {
  54      die('no export');
  55  }
  56  
  57  $courseid = optional_param('course', SITEID, PARAM_INT);
  58  $action = optional_param('action', '', PARAM_ALPHA);
  59  $day = optional_param('cal_d', 0, PARAM_INT);
  60  $mon = optional_param('cal_m', 0, PARAM_INT);
  61  $year = optional_param('cal_y', 0, PARAM_INT);
  62  $time = optional_param('time', 0, PARAM_INT);
  63  $generateurl = optional_param('generateurl', 0, PARAM_BOOL);
  64  
  65  // Get the calendar type we are using.
  66  $calendartype = \core_calendar\type_factory::get_calendar_instance();
  67  
  68  // If a day, month and year were passed then convert it to a timestamp. If these were passed
  69  // then we can assume the day, month and year are passed as Gregorian, as no where in core
  70  // should we be passing these values rather than the time. This is done for BC.
  71  if (!empty($day) && !empty($mon) && !empty($year)) {
  72      if (checkdate($mon, $day, $year)) {
  73          $time = make_timestamp($year, $mon, $day);
  74      } else {
  75          $time = time();
  76      }
  77  } else if (empty($time)) {
  78      $time = time();
  79  }
  80  
  81  if ($courseid != SITEID && !empty($courseid)) {
  82      $course = $DB->get_record('course', array('id' => $courseid));
  83      $courses = array($course->id => $course);
  84      $issite = false;
  85  } else {
  86      $course = get_site();
  87      $courses = calendar_get_default_courses();
  88      $issite = true;
  89  }
  90  require_course_login($course);
  91  
  92  $url = new moodle_url('/calendar/export.php', array('time' => $time));
  93  
  94  if ($action !== '') {
  95      $url->param('action', $action);
  96  }
  97  
  98  if ($course !== NULL) {
  99      $url->param('course', $course->id);
 100  }
 101  $PAGE->set_url($url);
 102  
 103  $calendar = new calendar_information(0, 0, 0, $time);
 104  $calendar->prepare_for_view($course, $courses);
 105  
 106  $pagetitle = get_string('export', 'calendar');
 107  $now = $calendartype->timestamp_to_date_array($time);
 108  
 109  // Print title and header
 110  if ($issite) {
 111      $PAGE->navbar->add($course->shortname, new moodle_url('/course/view.php', array('id'=>$course->id)));
 112  }
 113  $link = new moodle_url(CALENDAR_URL.'view.php', array('view'=>'upcoming', 'course'=>$calendar->courseid));
 114  $PAGE->navbar->add(get_string('calendar', 'calendar'), calendar_get_link_href($link, 0, 0, 0, $time));
 115  $PAGE->navbar->add($pagetitle);
 116  
 117  $PAGE->set_title($course->shortname.': '.get_string('calendar', 'calendar').': '.$pagetitle);
 118  $PAGE->set_heading($course->fullname);
 119  $PAGE->set_pagelayout('standard');
 120  $PAGE->set_button(calendar_preferences_button($course));
 121  
 122  $renderer = $PAGE->get_renderer('core_calendar');
 123  $calendar->add_sidecalendar_blocks($renderer);
 124  
 125  echo $OUTPUT->header();
 126  echo $renderer->start_layout();
 127  switch($action) {
 128      case 'advanced':
 129          // Why nothing?
 130          break;
 131      case '':
 132      default:
 133          $weekend = CALENDAR_DEFAULT_WEEKEND;
 134          if (isset($CFG->calendar_weekend)) {
 135              $weekend = intval($CFG->calendar_weekend);
 136          }
 137  
 138          // Get the number of days.
 139          $numberofdaysinweek = $calendartype->get_num_weekdays();
 140  
 141          $authtoken = sha1($USER->id . $DB->get_field('user', 'password', array('id'=>$USER->id)). $CFG->calendar_exportsalt);
 142          // Let's populate some vars to let "common tasks" be somewhat smart...
 143          // If today it's weekend, give the "next week" option.
 144          $allownextweek = $weekend & (1 << $now['wday']);
 145          // If it's the last week of the month, give the "next month" option.
 146          $allownextmonth = calendar_days_in_month($now['mon'], $now['year']) - $now['mday'] < $numberofdaysinweek;
 147          // If today it's weekend but tomorrow it isn't, do NOT give the "this week" option.
 148          $allowthisweek = !(($weekend & (1 << $now['wday'])) && !($weekend & (1 << (($now['wday'] + 1) % $numberofdaysinweek))));
 149          echo $renderer->basic_export_form($allowthisweek, $allownextweek, $allownextmonth, $USER->id, $authtoken);
 150          break;
 151  }
 152  
 153  if (!empty($generateurl)) {
 154      $params['userid']      = optional_param('userid', 0, PARAM_INT);
 155      $params['authtoken']   = optional_param('authtoken', '', PARAM_ALPHANUM);
 156      $params['preset_what'] = optional_param('preset_what', 'all', PARAM_ALPHA);
 157      $params['preset_time'] = optional_param('preset_time', 'weeknow', PARAM_ALPHA);
 158  
 159      $link = new moodle_url('/calendar/export_execute.php', $params);
 160      print html_writer::tag('div', get_string('calendarurl', 'calendar', $link->out()), array('class' => 'generalbox calendarurl'));
 161  }
 162  
 163  echo $renderer->complete_layout();
 164  echo $OUTPUT->footer();