calendar/event.php

   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 (tsinakos@teikav.edu.gr)                         //
  13 //     Jon Papaioannou (pj@moodle.org)                                     //
  14 //                                                                         //
  15 // Programming and development:                                            //
  16 //     Jon Papaioannou (pj@moodle.org)                                     //
  17 //                                                                         //
  18 // For bugs, suggestions, etc contact:                                     //
  19 //     Jon Papaioannou (pj@moodle.org)                                     //
  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 Calendar section Moodle
  43  *
  44  * @copyright 2003-2004 Jon Papaioannou (pj@moodle.org)
  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($CFG->dirroot.'/calendar/event_form.php');
  51 require_once($CFG->dirroot.'/calendar/lib.php');
  52 require_once($CFG->dirroot.'/course/lib.php');
  53
  54 require_login();
  55
  56 $action = optional_param('action', 'new', PARAM_ALPHA);
  57 $eventid = optional_param('id', 0, PARAM_INT);
  58 $courseid = optional_param('courseid', 0, PARAM_INT);
  59 $cal_y = optional_param('cal_y', 0, PARAM_INT);
  60 $cal_m = optional_param('cal_m', 0, PARAM_INT);
  61 $cal_d = optional_param('cal_d', 0, PARAM_INT);
  62
  63 if ($courseid === 0) {
  64     $courseid = optional_param('course', 0, PARAM_INT);
  65 }
  66
  67 $url = new moodle_url('/calendar/event.php', array('action'=>$action));
  68 if ($eventid !== 0) $url->param('id', $eventid);
  69 if ($courseid !== 0) $url->param('course', $courseid);
  70 if ($cal_y !== 0) $url->param('cal_y', $cal_y);
  71 if ($cal_m !== 0) $url->param('cal_m', $cal_m);
  72 if ($cal_d !== 0) $url->param('cal_d', $cal_d);
  73 $PAGE->set_url($url);
  74 $PAGE->set_context(get_context_instance(CONTEXT_SYSTEM));
  75 $PAGE->set_pagelayout('standard');
  76
  77 if ($action === 'delete' && $eventid>0) {
  78     $deleteurl = new moodle_url('/calendar/delete.php', array('id'=>$eventid));
  79     if ($courseid > 0) {
  80         $deleteurl->param('course', $courseid);
  81     }
  82     redirect($deleteurl);
  83 }
  84
  85 $viewcalendarurl = new moodle_url(CALENDAR_URL.'view.php');
  86 $viewcalendarurl->params($PAGE->url->params());
  87 $viewcalendarurl->remove_params(array('id','action'));
  88
  89 $now = usergetdate(time());
  90
  91 if (isguestuser()) {
  92     // Guests cannot do anything with events
  93     redirect(new moodle_url(CALENDAR_URL.'view.php', array('view'=>'upcoming', 'course'=>$courseid)));
  94 }
  95
  96 $focus = '';
  97
  98 $site = get_site();
  99
 100 calendar_session_vars();
 101
 102 // If a course has been supplied in the URL, change the filters to show that one
 103 $courseexists = false;
 104 if ($courseid > 0) {
 105     if ($courseid == SITEID) {
 106         // If coming from the site page, show all courses
 107         $SESSION->cal_courses_shown = calendar_get_default_courses(true);
 108         calendar_set_referring_course(0);
 109     } else if ($DB->record_exists('course', array('id'=>$courseid))) {
 110         $courseexists = true;
 111         // Otherwise show just this one
 112         $SESSION->cal_courses_shown = $courseid;
 113         calendar_set_referring_course($SESSION->cal_courses_shown);
 114     }
 115 }
 116
 117 if (!empty($SESSION->cal_course_referer)) {
 118     // TODO: This is part of the Great $course Hack in Moodle. Replace it at some point.
 119     $course = $DB->get_record('course', array('id'=>$SESSION->cal_course_referer));
 120 } else {
 121     $course = $site;
 122 }
 123
 124 require_login($course, false);
 125
 126 $calendar = new calendar_information($cal_d, $cal_m, $cal_y);
 127 $calendar->courseid = $courseid;
 128
 129 $strcalendar = get_string('calendar', 'calendar');
 130 $link = clone($viewcalendarurl);
 131 $link->param('view', 'upcoming');
 132
 133 $formoptions = new stdClass;
 134
 135 if ($eventid !== 0) {
 136     $title = get_string('editevent', 'calendar');
 137     $event = calendar_event::load($eventid);
 138     if (!calendar_edit_event_allowed($event)) {
 139         print_error('nopermissions');
 140     }
 141     $event->action = $action;
 142     $event->course = $courseid;
 143     $event->timedurationuntil = $event->timestart + $event->timeduration;
 144     $event->count_repeats();
 145
 146     if (!calendar_add_event_allowed($event)) {
 147         print_error('nopermissions');
 148     }
 149 } else {
 150     $title = get_string('newevent', 'calendar');
 151     calendar_get_allowed_types($formoptions->eventtypes, $USER->id);
 152     $event = new calendar_event();
 153     $event->action = $action;
 154     $event->course = $courseid;
 155     $event->timeduration = 0;
 156     if ($formoptions->eventtypes->courses) {
 157         if ($courseexists) {
 158             $event->courseid = $courseid;
 159             $event->eventtype = 'course';
 160         } else {
 161             unset($formoptions->eventtypes->courses);
 162             unset($formoptions->eventtypes->groups);
 163         }
 164     }
 165     if($cal_y && $cal_m && $cal_d && checkdate($cal_m, $cal_d, $cal_y)) {
 166         $event->timestart = make_timestamp($cal_y, $cal_m, $cal_d, 0, 0, 0);
 167     } else if($cal_y && $cal_m && checkdate($cal_m, 1, $cal_y)) {
 168         if($cal_y == $now['year'] && $cal_m == $now['mon']) {
 169             $event->timestart = make_timestamp($cal_y, $cal_m, $now['mday'], 0, 0, 0);
 170         } else {
 171             $event->timestart = make_timestamp($cal_y, $cal_m, 1, 0, 0, 0);
 172         }
 173     }
 174     if (!calendar_add_event_allowed($event)) {
 175         print_error('nopermissions');
 176     }
 177 }
 178
 179 $properties = $event->properties(true);
 180 $formoptions->event = $event;
 181 $formoptions->hasduration = ($event->timeduration > 0);
 182 $mform = new event_form(null, $formoptions);
 183 $mform->set_data($properties);
 184 $data = $mform->get_data();
 185 if ($data) {
 186     if ($data->duration == 1) {
 187         $data->timeduration = $data->timedurationuntil- $data->timestart;
 188     } else if ($data->duration == 2) {
 189         $data->timeduration = $data->timedurationminutes * MINSECS;
 190     } else {
 191         $data->timeduration = 0;
 192     }
 193
 194     $event->update($data);
 195     $eventurl = new moodle_url(CALENDAR_URL.'view.php', array('view'=>'day'));
 196     if (!empty($event->courseid)) {
 197         $eventurl->param('course', $event->courseid);
 198     }
 199     $eventurl->param('cal_d', date('j', $event->timestart));
 200     $eventurl->param('cal_m', date('n', $event->timestart));
 201     $eventurl->param('cal_y', date('Y', $event->timestart));
 202     $eventurl->set_anchor('event_'.$event->id);
 203     redirect($eventurl);
 204 }
 205
 206 $PAGE->navbar->add($strcalendar, $link);
 207 $PAGE->navbar->add($title);
 208 $PAGE->set_title($site->shortname.': '.$strcalendar.': '.$title);
 209 $PAGE->set_heading($COURSE->fullname);
 210
 211 calendar_set_filters($calendar->courses, $calendar->groups, $calendar->users);
 212 $renderer = $PAGE->get_renderer('core_calendar');
 213 $calendar->add_sidecalendar_blocks($renderer);
 214
 215 echo $OUTPUT->header();
 216 echo $renderer->start_layout();
 217 echo $OUTPUT->heading($title);
 218 $mform->display();
 219 echo $renderer->complete_layout();
 220 echo $OUTPUT->footer();