mirror of
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552 lines
24 KiB
PHP
552 lines
24 KiB
PHP
<?php // $Id$
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/////////////////////////////////////////////////////////////////////////////
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// //
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// NOTICE OF COPYRIGHT //
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// //
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// Moodle - Calendar extension //
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// //
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// Copyright (C) 2003-2004 Greek School Network www.sch.gr //
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// //
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// Designed by: //
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// Avgoustos Tsinakos (tsinakos@uom.gr) //
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// Jon Papaioannou (pj@uom.gr) //
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// //
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// Programming and development: //
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// Jon Papaioannou (pj@uom.gr) //
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// //
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// For bugs, suggestions, etc contact: //
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// Jon Papaioannou (pj@uom.gr) //
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// //
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// The current module was developed at the University of Macedonia //
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// (www.uom.gr) under the funding of the Greek School Network (www.sch.gr) //
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// The aim of this project is to provide additional and improved //
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// functionality to the Asynchronous Distance Education service that the //
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// Greek School Network deploys. //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation; either version 2 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details: //
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// //
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// http://www.gnu.org/copyleft/gpl.html //
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// //
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/////////////////////////////////////////////////////////////////////////////
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require_once('../config.php');
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require_once($CFG->dirroot.'/calendar/lib.php');
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require_once($CFG->dirroot.'/course/lib.php');
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require_once($CFG->dirroot.'/mod/forum/lib.php');
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require_login();
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if(isguest()) {
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// Guests cannot do anything with events
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redirect(CALENDAR_URL.'view.php?view=upcoming');
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}
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require_variable($_REQUEST['action']);
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optional_variable($_REQUEST['id']);
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optional_variable($_REQUEST['type'], 'select');
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$_REQUEST['id'] = intval($_REQUEST['id']); // Always a good idea, against SQL injections
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if(!$site = get_site()) {
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redirect($CFG->wwwroot.'/'.$CFG->admin.'/index.php');
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}
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$now = usergetdate(time());
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$nav = calendar_get_link_tag(get_string('calendar', 'calendar'), CALENDAR_URL.'view.php?view=upcoming&', $now['mday'], $now['mon'], $now['year']);
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$day = intval($now['mday']);
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$mon = intval($now['mon']);
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$yr = intval($now['year']);
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if ($usehtmleditor = can_use_richtext_editor()) {
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$defaultformat = FORMAT_HTML;
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} else {
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$defaultformat = FORMAT_MOODLE;
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}
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// If a course has been supplied in the URL, change the filters to show that one
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if(!empty($_GET['course'])) {
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if(is_numeric($_GET['course']) && $_GET['course'] > 0 && record_exists('course', 'id', $_GET['course'])) {
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if($_GET['course'] == 1) {
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// If coming from the home page, show all courses
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$SESSION->cal_courses_shown = calendar_get_default_courses(true);
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calendar_set_referring_course(0);
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}
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else {
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// Otherwise show just this one
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$SESSION->cal_courses_shown = intval($_GET['course']);
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calendar_set_referring_course($SESSION->cal_courses_shown);
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}
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}
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}
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switch($_REQUEST['action']) {
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case 'delete':
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$title = get_string('deleteevent', 'calendar');
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$event = get_record('event', 'id', $_REQUEST['id']);
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if($event === false) {
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error('Invalid event');
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}
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if(!calendar_edit_event_allowed($event)) {
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error('You are not authorized to do this');
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}
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break;
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case 'edit':
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$title = get_string('editevent', 'calendar');
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$event = get_record('event', 'id', $_REQUEST['id']);
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if($event === false) {
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error('Invalid event');
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}
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if(!calendar_edit_event_allowed($event)) {
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error('You are not authorized to do this');
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}
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if($form = data_submitted()) {
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$form->name = strip_tags($form->name); // Strip all tags
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//$form->description = clean_text($form->description , $form->format); // Clean up any bad tags
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$form->timestart = make_timestamp($form->startyr, $form->startmon, $form->startday, $form->starthr, $form->startmin);
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if($form->duration == 1) {
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$form->timeduration = make_timestamp($form->endyr, $form->endmon, $form->endday, $form->endhr, $form->endmin) - $form->timestart;
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if($form->timeduration < 0) {
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$form->timeduration = 0;
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}
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}
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else if($form->duration == 2) {
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$form->timeduration = $form->minutes * 60;
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}
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else {
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$form->timeduration = 0;
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}
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validate_form($form, $err);
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if (count($err) == 0) {
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$form->timemodified = time();
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update_record('event', $form);
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/// Log the event update.
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add_to_log($form->courseid, 'calendar', 'edit', 'event.php?action=edit&id='.$form->id, $form->name);
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// OK, now redirect to day view
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redirect(CALENDAR_URL.'view.php?view=day&cal_d='.$form->startday.'&cal_m='.$form->startmon.'&cal_y='.$form->startyr);
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}
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else {
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foreach ($err as $key => $value) {
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$focus = 'form.'.$key;
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}
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}
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}
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break;
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case 'new':
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$title = get_string('newevent', 'calendar');
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$form = data_submitted();
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if(!empty($form) && $form->type == 'defined') {
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$form->name = strip_tags($form->name); // Strip all tags
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//$form->description = clean_text($form->description , $form->format); // Clean up any bad tags
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$form->timestart = make_timestamp($form->startyr, $form->startmon, $form->startday, $form->starthr, $form->startmin);
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if($form->duration == 1) {
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$form->timeduration = make_timestamp($form->endyr, $form->endmon, $form->endday, $form->endhr, $form->endmin) - $form->timestart;
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if($form->timeduration < 0) {
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$form->timeduration = 0;
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}
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}
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else if ($form->duration == 2) {
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$form->timeduration = $form->minutes * 60;
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}
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else {
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$form->timeduration = 0;
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}
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if(!calendar_add_event_allowed($form->courseid, $form->groupid, $form->userid)) {
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error('You are not authorized to do this');
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}
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validate_form($form, $err);
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if (count($err) == 0) {
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$form->timemodified = time();
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/// Get the event id for the log record.
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$eventid = insert_record('event', $form, true);
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/// Log the event entry.
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add_to_log($form->courseid, 'calendar', 'add', 'event.php?action=edit&id='.$eventid, $form->name);
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if ($form->repeat) {
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for($i = 1; $i < $form->repeats; $i++) {
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$form->timestart += 604800; // add one week
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/// Get the event id for the log record.
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$eventid = insert_record('event', $form, true);
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/// Log the event entry.
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add_to_log($form->courseid, 'calendar', 'add', 'event.php?action=edit&id='.$eventid, $form->name);
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}
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}
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// OK, now redirect to day view
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redirect(CALENDAR_URL.'view.php?view=day&cal_d='.$form->startday.'&cal_m='.$form->startmon.'&cal_y='.$form->startyr);
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}
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else {
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foreach ($err as $key => $value) {
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$focus = 'form'.$key;
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}
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}
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}
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break;
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}
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if(empty($focus)) $focus = '';
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// Let's see if we are supposed to provide a referring course link
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// but NOT for the "main page" course
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if($SESSION->cal_course_referer > 1 &&
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($shortname = get_field('course', 'shortname', 'id', $SESSION->cal_course_referer)) !== false) {
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// If we know about the referring course, show a return link
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$nav = '<a href="'.$CFG->wwwroot.'/course/view.php?id='.$SESSION->cal_course_referer.'">'.$shortname.'</a> -> '.$nav;
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}
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print_header(get_string('calendar', 'calendar').': '.$title, $site->fullname, $nav.' -> '.$title,
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$focus, '', true, '', '<p class="logininfo">'.user_login_string($site).'</p>');
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echo calendar_overlib_html();
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echo '<table border="0" cellpadding="3" cellspacing="0" width="100%"><tr valign="top">';
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echo '<td valign="top" width="100%">';
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switch($_REQUEST['action']) {
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case 'delete':
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if(!empty($_REQUEST['confirm']) && $_REQUEST['confirm'] == 1) {
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// Kill it and redirect to day view
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if(($event = get_record('event', 'id', $_REQUEST['id'])) !== false) {
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/// Log the event delete.
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delete_records('event', 'id', $_REQUEST['id']);
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// pj - fixed the course id problem, but now we have another one:
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// what to do with the URL?
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add_to_log($event->courseid, 'calendar', 'delete', '', $event->name);
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}
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if(checkdate($_REQUEST['m'], $_REQUEST['d'], $_REQUEST['y'])) {
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// Being a bit paranoid to check this, but it doesn't hurt
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redirect(CALENDAR_URL.'view.php?view=day&cal_d='.$_REQUEST['d'].'&cal_m='.$_REQUEST['m'].'&cal_y='.$_REQUEST['y']);
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}
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else {
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// Redirect to now
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redirect(CALENDAR_URL.'view.php?view=day&cal_d='.$now['mday'].'&cal_m='.$now['mon'].'&cal_y='.$now['year']);
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}
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}
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else {
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$eventtime = usergetdate($event->timestart);
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$m = $eventtime['mon'];
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$d = $eventtime['mday'];
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$y = $eventtime['year'];
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// Display confirmation form
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print_side_block_start(get_string('deleteevent', 'calendar').': '.$event->name, array('class' => 'mycalendar'));
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include('event_delete.html');
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print_side_block_end();
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}
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break;
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case 'edit':
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if(empty($form)) {
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$form->name = $event->name;
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$form->courseid = $event->courseid; // Not to update, but for date validation
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$form->description = $event->description;
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$form->timestart = $event->timestart;
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$form->timeduration = $event->timeduration;
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$form->id = $event->id;
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$form->format = $defaultformat;
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if($event->timeduration > 3600) {
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// More than one hour, so default to normal duration mode
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$form->duration = 1;
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$form->minutes = '';
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}
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else if($event->timeduration) {
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// Up to one hour, "minutes" mode probably is better here
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$form->duration = 2;
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$form->minutes = $event->timeduration / 60;
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}
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else {
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// No duration
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$form->duration = 0;
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$form->minutes = '';
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}
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}
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if (!empty($form->courseid)) { // Fixes bug 1488
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$course = get_record('course', 'id', $form->courseid);
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} else {
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$course = $site;
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}
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print_side_block_start(get_string('editevent', 'calendar'), array('class' => 'mycalendar'));
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include('event_edit.html');
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print_side_block_end();
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if ($usehtmleditor) {
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use_html_editor("description");
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}
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break;
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case 'new':
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optional_variable($_GET['cal_y']);
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optional_variable($_GET['cal_m']);
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optional_variable($_GET['cal_d']);
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optional_variable($form->timestart, -1);
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if($_GET['cal_y'] && $_GET['cal_m'] && $_GET['cal_d'] && checkdate($_GET['cal_m'], $_GET['cal_d'], $_GET['cal_y'])) {
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$form->timestart = make_timestamp($_GET['cal_y'], $_GET['cal_m'], $_GET['cal_d'], 0, 0, 0);
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}
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else if($_GET['cal_y'] && $_GET['cal_m'] && checkdate($_GET['cal_m'], 1, $_GET['cal_y'])) {
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if($_GET['cal_y'] == $now['year'] && $_GET['cal_m'] == $now['mon']) {
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$form->timestart = make_timestamp($_GET['cal_y'], $_GET['cal_m'], $now['mday'], 0, 0, 0);
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}
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else {
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$form->timestart = make_timestamp($_GET['cal_y'], $_GET['cal_m'], 1, 0, 0, 0);
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}
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}
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if($form->timestart < 0) {
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$form->timestart = time();
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}
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calendar_get_allowed_types($allowed);
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if(!$allowed->groups && !$allowed->courses && !$allowed->site) {
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// Take the shortcut
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$_REQUEST['type'] = 'user';
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}
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$header = '';
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switch($_REQUEST['type']) {
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case 'user':
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$form->name = '';
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$form->description = '';
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$form->courseid = 0;
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$form->groupid = 0;
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$form->userid = $USER->id;
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$form->modulename = '';
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$form->eventtype = '';
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$form->instance = 0;
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$form->timeduration = 0;
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$form->duration = 0;
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$form->repeat = 0;
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$form->repeats = '';
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$form->minutes = '';
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$header = get_string('typeuser', 'calendar');
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break;
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case 'group':
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optional_variable($_REQUEST['groupid']);
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$groupid = $_REQUEST['groupid'];
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if(!($group = get_record('groups', 'id', $groupid) )) {
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calendar_get_allowed_types($allowed);
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$_REQUEST['type'] = 'select';
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}
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else {
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$form->name = '';
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$form->description = '';
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$form->courseid = $group->courseid;
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$form->groupid = $group->id;
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$form->userid = $USER->id;
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$form->modulename = '';
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$form->eventtype = '';
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$form->instance = 0;
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$form->timeduration = 0;
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$form->duration = 0;
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$form->repeat = 0;
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$form->repeats = '';
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$form->minutes = '';
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$header = get_string('typegroup', 'calendar');
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}
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break;
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case 'course':
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optional_variable($_REQUEST['courseid']);
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$courseid = $_REQUEST['courseid'];
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if(!record_exists('course', 'id', $courseid)) {
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calendar_get_allowed_types($allowed);
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$_REQUEST['type'] = 'select';
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}
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else {
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$form->name = '';
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$form->description = '';
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$form->courseid = $courseid;
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$form->groupid = 0;
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$form->userid = $USER->id;
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$form->modulename = '';
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$form->eventtype = '';
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$form->instance = 0;
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$form->timeduration = 0;
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$form->duration = 0;
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$form->repeat = 0;
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$form->repeats = '';
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$form->minutes = '';
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$header = get_string('typecourse', 'calendar');
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}
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break;
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case 'site':
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$form->name = '';
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$form->description = '';
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$form->courseid = 1;
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$form->groupid = 0;
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$form->userid = $USER->id;
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$form->modulename = '';
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$form->eventtype = '';
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$form->instance = 0;
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$form->timeduration = 0;
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$form->duration = 0;
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$form->repeat = 0;
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$form->repeats = '';
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$form->minutes = '';
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$header = get_string('typesite', 'calendar');
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break;
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case 'defined':
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case 'select':
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break;
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default:
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error('Unsupported event type');
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}
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$form->format = $defaultformat;
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if(!empty($header)) {
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$header = ' ('.$header.')';
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}
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print_side_block_start(get_string('newevent', 'calendar').$header, array('class' => 'mycalendar'));
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if($_REQUEST['type'] == 'select') {
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$defaultcourse = $SESSION->cal_course_referer;
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if(isteacheredit($defaultcourse, $USER->id)) {
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$defaultgroup = 0;
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}
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else {
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$defaultgroup = user_group($defaultcourse, $USER->id);
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}
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optional_variable($_REQUEST['groupid'], $defaultgroup->id);
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optional_variable($_REQUEST['courseid'], $defaultcourse);
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$groupid = $_REQUEST['groupid'];
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$courseid = $_REQUEST['courseid'];
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include('event_select.html');
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}
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else {
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include('event_new.html');
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if ($usehtmleditor) {
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use_html_editor("description");
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}
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}
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print_side_block_end();
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break;
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}
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echo '</td>';
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// START: Last column (3-month display)
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echo '<td style="vertical-align: top; width: 180px;">';
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$defaultcourses = calendar_get_default_courses();
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calendar_set_filters($courses, $groups, $users, $defaultcourses, $defaultcourses);
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print_side_block_start(get_string('monthlyview', 'calendar'));
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list($prevmon, $prevyr) = calendar_sub_month($mon, $yr);
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list($nextmon, $nextyr) = calendar_add_month($mon, $yr);
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echo calendar_filter_controls('event', 'action='.$_REQUEST['action'].'&type='.$_REQUEST['type'].'&id='.$_REQUEST['id']);
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echo '<div>';
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echo calendar_top_controls('display', array('m' => $prevmon, 'y' => $prevyr));
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echo calendar_get_mini($courses, $groups, $users, $prevmon, $prevyr);
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echo '</div><div>';
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echo calendar_top_controls('display', array('m' => $mon, 'y' => $yr));
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echo calendar_get_mini($courses, $groups, $users, $mon, $yr);
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echo '</div><div>';
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echo calendar_top_controls('display', array('m' => $nextmon, 'y' => $nextyr));
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echo calendar_get_mini($courses, $groups, $users, $nextmon, $nextyr);
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echo '</div>';
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print_side_block_end();
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print_spacer(1, 180);
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echo '</td>';
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echo '</tr></table>';
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print_footer();
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function validate_form(&$form, &$err) {
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|
$form->name = trim($form->name);
|
|
$form->description = trim($form->description);
|
|
|
|
if(empty($form->name)) {
|
|
$err['name'] = get_string('errornoeventname', 'calendar');
|
|
}
|
|
if(empty($form->description)) {
|
|
$err['description'] = get_string('errornodescription', 'calendar');
|
|
}
|
|
if(!checkdate($form->startmon, $form->startday, $form->startyr)) {
|
|
$err['timestart'] = get_string('errorinvaliddate', 'calendar');
|
|
}
|
|
if($form->duration == 2 and !checkdate($form->endmon, $form->endday, $form->endyr)) {
|
|
$err['timeduration'] = get_string('errorinvaliddate', 'calendar');
|
|
}
|
|
if($form->duration == 2 and !($form->minutes > 0 and $form->minutes < 1000)) {
|
|
$err['minutes'] = get_string('errorinvalidminutes', 'calendar');
|
|
}
|
|
if (!empty($form->repeat) and !($form->repeats > 1 and $form->repeats < 100)) {
|
|
$err['repeats'] = get_string('errorinvalidrepeats', 'calendar');
|
|
}
|
|
if(!empty($form->courseid)) {
|
|
// Timestamps must be >= course startdate
|
|
$course = get_record('course', 'id', $form->courseid);
|
|
if($course === false) {
|
|
error('Event belongs to invalid course');
|
|
}
|
|
else if($form->timestart < $course->startdate) {
|
|
$err['timestart'] = get_string('errorbeforecoursestart', 'calendar');
|
|
}
|
|
}
|
|
}
|
|
|
|
function calendar_add_event_allowed($courseid, $groupid, $userid) {
|
|
global $USER;
|
|
|
|
if(isadmin()) {
|
|
return true;
|
|
}
|
|
else if($courseid == 0 && $groupid == 0 && $userid == $USER->id) {
|
|
return true;
|
|
}
|
|
else if($courseid != 0 && isteacheredit($courseid)) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
function calendar_get_allowed_types(&$allowed) {
|
|
global $USER, $CFG, $SESSION;
|
|
|
|
$allowed->user = true; // User events always allowed
|
|
$allowed->groups = false; // This may change just below
|
|
$allowed->courses = false; // This may change just below
|
|
$allowed->site = isadmin($USER->id);
|
|
|
|
if(!empty($SESSION->cal_course_referer) && $SESSION->cal_course_referer > 1 && isteacheredit($SESSION->cal_course_referer, $USER->id)) {
|
|
$allowed->courses = array($SESSION->cal_course_referer => 1);
|
|
$allowed->groups = get_groups($SESSION->cal_course_referer);
|
|
}
|
|
|
|
//[pj]: This was used when we wanted to display all legal choices
|
|
/*
|
|
if($allowed->site) {
|
|
$allowed->courses = get_courses('all', 'c.shortname');
|
|
$allowed->groups = get_records_sql('SELECT g.*, c.fullname FROM '.$CFG->prefix.'groups g LEFT JOIN '.$CFG->prefix.'course c ON g.courseid = c.id ORDER BY c.shortname');
|
|
}
|
|
else if(!empty($USER->teacheredit)) {
|
|
$allowed->courses = get_records_select('course', 'id != 1 AND id IN ('.implode(',', array_keys($USER->teacheredit)).')');
|
|
$allowed->groups = get_records_sql('SELECT g.*, c.fullname FROM '.$CFG->prefix.'groups g LEFT JOIN '.$CFG->prefix.'course c ON g.courseid = c.id WHERE g.courseid IN ('.implode(',', array_keys($USER->teacheredit)).')');
|
|
}
|
|
*/
|
|
}
|
|
|
|
?>
|