/sources/controllers/Calendar.controller.php
PHP | 436 lines | 266 code | 64 blank | 106 comment | 64 complexity | 1a6e7b08f3fb5fa693ffd0f42204ec0d MD5 | raw file
Possible License(s): BSD-3-Clause, LGPL-3.0
- <?php
- /**
- * @name ElkArte Forum
- * @copyright ElkArte Forum contributors
- * @license BSD http://opensource.org/licenses/BSD-3-Clause
- *
- * This software is a derived product, based on:
- *
- * Simple Machines Forum (SMF)
- * copyright: 2011 Simple Machines (http://www.simplemachines.org)
- * license: BSD, See included LICENSE.TXT for terms and conditions.
- *
- * @version 1.0 Alpha
- *
- * This file has only one real task, showing the calendar.
- * Original module by Aaron O'Neil - aaron@mud-master.com
- */
- if (!defined('ELKARTE'))
- die('No access...');
- /**
- * Show the calendar.
- * It loads the specified month's events, holidays, and birthdays.
- * It requires the calendar_view permission.
- * It depends on the cal_enabled setting, and many of the other cal_ settings.
- * It uses the calendar_start_day theme option. (Monday/Sunday)
- * It uses the main sub template in the Calendar template.
- * It goes to the month and year passed in 'month' and 'year' by get or post.
- * It is accessed through ?action=calendar.
- */
- function action_calendar()
- {
- global $txt, $context, $modSettings, $scripturl, $options;
- // Permissions, permissions, permissions.
- isAllowedTo('calendar_view');
- // Doing something other than calendar viewing?
- $subActions = array(
- 'ical' => 'action_ical',
- 'post' => 'CalendarPost',
- );
- if (isset($_GET['sa']) && isset($subActions[$_GET['sa']]))
- return $subActions[$_GET['sa']]();
- // This is gonna be needed...
- loadTemplate('Calendar');
- // You can't do anything if the calendar is off.
- if (empty($modSettings['cal_enabled']))
- fatal_lang_error('calendar_off', false);
- // Set the page title to mention the calendar ;).
- $context['page_title'] = $txt['calendar'];
- // Is this a week view?
- $context['view_week'] = isset($_GET['viewweek']);
- // Don't let search engines index weekly calendar pages.
- if ($context['view_week'])
- $context['robot_no_index'] = true;
- // Get the current day of month...
- require_once(SUBSDIR . '/Calendar.subs.php');
- $today = getTodayInfo();
- // If the month and year are not passed in, use today's date as a starting point.
- $curPage = array(
- 'day' => isset($_REQUEST['day']) ? (int) $_REQUEST['day'] : $today['day'],
- 'month' => isset($_REQUEST['month']) ? (int) $_REQUEST['month'] : $today['month'],
- 'year' => isset($_REQUEST['year']) ? (int) $_REQUEST['year'] : $today['year']
- );
- // Make sure the year and month are in valid ranges.
- if ($curPage['month'] < 1 || $curPage['month'] > 12)
- fatal_lang_error('invalid_month', false);
- if ($curPage['year'] < $modSettings['cal_minyear'] || $curPage['year'] > $modSettings['cal_maxyear'])
- fatal_lang_error('invalid_year', false);
- // If we have a day clean that too.
- if ($context['view_week'])
- {
- // Note $isValid is -1 < PHP 5.1
- $isValid = mktime(0, 0, 0, $curPage['month'], $curPage['day'], $curPage['year']);
- if ($curPage['day'] > 31 || !$isValid || $isValid == -1)
- fatal_lang_error('invalid_day', false);
- }
- // Load all the context information needed to show the calendar grid.
- $calendarOptions = array(
- 'start_day' => !empty($options['calendar_start_day']) ? $options['calendar_start_day'] : 0,
- 'show_birthdays' => in_array($modSettings['cal_showbdays'], array(1, 2)),
- 'show_events' => in_array($modSettings['cal_showevents'], array(1, 2)),
- 'show_holidays' => in_array($modSettings['cal_showholidays'], array(1, 2)),
- 'show_week_num' => true,
- 'short_day_titles' => false,
- 'show_next_prev' => true,
- 'show_week_links' => true,
- 'size' => 'large',
- );
- // Load up the main view.
- if ($context['view_week'])
- $context['calendar_grid_main'] = getCalendarWeek($curPage['month'], $curPage['year'], $curPage['day'], $calendarOptions);
- else
- $context['calendar_grid_main'] = getCalendarGrid($curPage['month'], $curPage['year'], $calendarOptions);
- // Load up the previous and next months.
- $calendarOptions['show_birthdays'] = $calendarOptions['show_events'] = $calendarOptions['show_holidays'] = false;
- $calendarOptions['short_day_titles'] = true;
- $calendarOptions['show_next_prev'] = false;
- $calendarOptions['show_week_links'] = false;
- $calendarOptions['size'] = 'small';
- $context['calendar_grid_current'] = getCalendarGrid($curPage['month'], $curPage['year'], $calendarOptions);
- // Only show previous month if it isn't pre-January of the min-year
- if ($context['calendar_grid_current']['previous_calendar']['year'] > $modSettings['cal_minyear'] || $curPage['month'] != 1)
- $context['calendar_grid_prev'] = getCalendarGrid($context['calendar_grid_current']['previous_calendar']['month'], $context['calendar_grid_current']['previous_calendar']['year'], $calendarOptions);
- // Only show next month if it isn't post-December of the max-year
- if ($context['calendar_grid_current']['next_calendar']['year'] < $modSettings['cal_maxyear'] || $curPage['month'] != 12)
- $context['calendar_grid_next'] = getCalendarGrid($context['calendar_grid_current']['next_calendar']['month'], $context['calendar_grid_current']['next_calendar']['year'], $calendarOptions);
- // Basic template stuff.
- $context['can_post'] = allowedTo('calendar_post');
- $context['current_day'] = $curPage['day'];
- $context['current_month'] = $curPage['month'];
- $context['current_year'] = $curPage['year'];
- $context['show_all_birthdays'] = isset($_GET['showbd']);
- // Set the page title to mention the month or week, too
- $context['page_title'] .= ' - ' . ($context['view_week'] ? sprintf($txt['calendar_week_title'], $context['calendar_grid_main']['week_number'], ($context['calendar_grid_main']['week_number'] == 53 ? $context['current_year'] - 1 : $context['current_year'])) : $txt['months'][$context['current_month']] . ' ' . $context['current_year']);
- // Load up the linktree!
- $context['linktree'][] = array(
- 'url' => $scripturl . '?action=calendar',
- 'name' => $txt['calendar']
- );
- // Add the current month to the linktree.
- $context['linktree'][] = array(
- 'url' => $scripturl . '?action=calendar;year=' . $context['current_year'] . ';month=' . $context['current_month'],
- 'name' => $txt['months'][$context['current_month']] . ' ' . $context['current_year']
- );
- // If applicable, add the current week to the linktree.
- if ($context['view_week'])
- $context['linktree'][] = array(
- 'url' => $scripturl . '?action=calendar;viewweek;year=' . $context['current_year'] . ';month=' . $context['current_month'] . ';day=' . $context['current_day'],
- 'name' => $txt['calendar_week'] . ' ' . $context['calendar_grid_main']['week_number']
- );
- // Build the calendar button array.
- $context['calendar_buttons'] = array(
- 'post_event' => array('test' => 'can_post', 'text' => 'calendar_post_event', 'image' => 'calendarpe.png', 'lang' => true, 'url' => $scripturl . '?action=calendar;sa=post;month=' . $context['current_month'] . ';year=' . $context['current_year'] . ';' . $context['session_var'] . '=' . $context['session_id']),
- );
- // Allow mods to add additional buttons here
- call_integration_hook('integrate_calendar_buttons');
- }
- /**
- * This function processes posting/editing/deleting a calendar event.
- *
- * - calls action_post() function if event is linked to a post.
- * - calls insertEvent() to insert the event if not linked to post.
- *
- * It requires the calendar_post permission to use.
- * It uses the event_post sub template in the Calendar template.
- * It is accessed with ?action=calendar;sa=post.
- */
- function CalendarPost()
- {
- global $context, $txt, $user_info, $scripturl;
- global $modSettings, $topic, $smcFunc;
- // Well - can they?
- isAllowedTo('calendar_post');
- // We need this for all kinds of useful functions.
- require_once(SUBSDIR . '/Calendar.subs.php');
- // Cast this for safety...
- if (isset($_REQUEST['eventid']))
- $_REQUEST['eventid'] = (int) $_REQUEST['eventid'];
- // Submitting?
- if (isset($_POST[$context['session_var']], $_REQUEST['eventid']))
- {
- checkSession();
- // Validate the post...
- if (!isset($_POST['link_to_board']))
- validateEventPost();
- // If you're not allowed to edit any events, you have to be the poster.
- if ($_REQUEST['eventid'] > 0 && !allowedTo('calendar_edit_any'))
- isAllowedTo('calendar_edit_' . (!empty($user_info['id']) && getEventPoster($_REQUEST['eventid']) == $user_info['id'] ? 'own' : 'any'));
- // New - and directing?
- if ($_REQUEST['eventid'] == -1 && isset($_POST['link_to_board']))
- {
- $_REQUEST['calendar'] = 1;
- require_once(CONTROLLERDIR . '/Post.controller.php');
- return action_post();
- }
- // New...
- elseif ($_REQUEST['eventid'] == -1)
- {
- $eventOptions = array(
- 'board' => 0,
- 'topic' => 0,
- 'title' => $smcFunc['substr']($_REQUEST['evtitle'], 0, 100),
- 'member' => $user_info['id'],
- 'start_date' => sprintf('%04d-%02d-%02d', $_POST['year'], $_POST['month'], $_POST['day']),
- 'span' => isset($_POST['span']) && $_POST['span'] > 0 ? min((int) $modSettings['cal_maxspan'], (int) $_POST['span'] - 1) : 0,
- );
- insertEvent($eventOptions);
- }
- // Deleting...
- elseif (isset($_REQUEST['deleteevent']))
- removeEvent($_REQUEST['eventid']);
- // ... or just update it?
- else
- {
- // There could be already a topic you are not allowed to modify
- if (!allowedTo('post_new') && empty($modSettings['disableNoPostingCalendarEdits']))
- {
- $request = $smcFunc['db_query']('', '
- SELECT id_board, id_topic
- FROM {db_prefix}calendar
- WHERE id_event = {int:id_event}
- LIMIT 1',
- array(
- 'id_event' => $_REQUEST['eventid'],
- ));
- list ($id_board, $id_topic) = $smcFunc['db_fetch_row']($request);
- $smcFunc['db_free_result']($request);
- }
- $eventOptions = array(
- 'title' => $smcFunc['substr']($_REQUEST['evtitle'], 0, 100),
- 'span' => empty($modSettings['cal_allowspan']) || empty($_POST['span']) || $_POST['span'] == 1 || empty($modSettings['cal_maxspan']) || $_POST['span'] > $modSettings['cal_maxspan'] ? 0 : min((int) $modSettings['cal_maxspan'], (int) $_POST['span'] - 1),
- 'start_date' => strftime('%Y-%m-%d', mktime(0, 0, 0, (int) $_REQUEST['month'], (int) $_REQUEST['day'], (int) $_REQUEST['year'])),
- );
- modifyEvent($_REQUEST['eventid'], $eventOptions);
- }
- updateSettings(array(
- 'calendar_updated' => time(),
- ));
- // No point hanging around here now...
- redirectexit($scripturl . '?action=calendar;month=' . $_POST['month'] . ';year=' . $_POST['year']);
- }
- // If we are not enabled... we are not enabled.
- if (empty($modSettings['cal_allow_unlinked']) && empty($_REQUEST['eventid']))
- {
- $_REQUEST['calendar'] = 1;
- require_once(CONTROLLERDIR . '/Post.controller.php');
- return action_post();
- }
- // New?
- if (!isset($_REQUEST['eventid']))
- {
- $today = getdate();
- $context['event'] = array(
- 'boards' => array(),
- 'board' => 0,
- 'new' => 1,
- 'eventid' => -1,
- 'year' => isset($_REQUEST['year']) ? $_REQUEST['year'] : $today['year'],
- 'month' => isset($_REQUEST['month']) ? $_REQUEST['month'] : $today['mon'],
- 'day' => isset($_REQUEST['day']) ? $_REQUEST['day'] : $today['mday'],
- 'title' => '',
- 'span' => 1,
- );
- $context['event']['last_day'] = (int) strftime('%d', mktime(0, 0, 0, $context['event']['month'] == 12 ? 1 : $context['event']['month'] + 1, 0, $context['event']['month'] == 12 ? $context['event']['year'] + 1 : $context['event']['year']));
- // Get list of boards that can be posted in.
- $boards = boardsAllowedTo('post_new');
- if (empty($boards))
- fatal_lang_error('cannot_post_new', 'permission');
- // Load the list of boards and categories in the context.
- require_once(SUBSDIR . '/MessageIndex.subs.php');
- $boardListOptions = array(
- 'included_boards' => in_array(0, $boards) ? null : $boards,
- 'not_redirection' => true,
- 'use_permissions' => true,
- 'selected_board' => $modSettings['cal_defaultboard'],
- );
- $context['event']['categories'] = getBoardList($boardListOptions);
- }
- else
- {
- $context['event'] = getEventProperties($_REQUEST['eventid']);
- if ($context['event'] === false)
- fatal_lang_error('no_access', false);
- // If it has a board, then they should be editing it within the topic.
- if (!empty($context['event']['topic']['id']) && !empty($context['event']['topic']['first_msg']))
- {
- // We load the board up, for a check on the board access rights...
- $topic = $context['event']['topic']['id'];
- loadBoard();
- }
- // Make sure the user is allowed to edit this event.
- if ($context['event']['member'] != $user_info['id'])
- isAllowedTo('calendar_edit_any');
- elseif (!allowedTo('calendar_edit_any'))
- isAllowedTo('calendar_edit_own');
- }
- // Template, sub template, etc.
- loadTemplate('Calendar');
- $context['sub_template'] = 'event_post';
- $context['page_title'] = isset($_REQUEST['eventid']) ? $txt['calendar_edit'] : $txt['calendar_post_event'];
- $context['linktree'][] = array(
- 'name' => $context['page_title'],
- );
- }
- /**
- * This function offers up a download of an event in iCal 2.0 format.
- *
- * follows the conventions in RFC5546 http://tools.ietf.org/html/rfc5546
- * sets events as all day events since we don't have hourly events
- * will honor and set multi day events
- * sets a sequence number if the event has been modified.
- * Accessed by action=calendar;sa=ical
- *
- * @todo .... allow for week or month export files as well?
- */
- function action_ical()
- {
- global $smcFunc, $forum_version, $context, $modSettings, $webmaster_email, $mbname;
- // You can't export if the calendar export feature is off.
- if (empty($modSettings['cal_export']))
- fatal_lang_error('calendar_export_off', false);
- // Goes without saying that this is required.
- if (!isset($_REQUEST['eventid']))
- fatal_lang_error('no_access', false);
- // This is kinda wanted.
- require_once(SUBSDIR . '/Calendar.subs.php');
- // Load up the event in question and check it exists.
- $event = getEventProperties($_REQUEST['eventid']);
- if ($event === false)
- fatal_lang_error('no_access', false);
- // Check the title isn't too long - iCal requires some formatting if so.
- $title = str_split($event['title'], 30);
- foreach ($title as $id => $line)
- {
- if ($id != 0)
- $title[$id] = ' ' . $title[$id];
- $title[$id] .= "\n";
- }
- // Format the dates.
- $datestamp = date('Ymd\THis\Z', time());
- $datestart = $event['year'] . ($event['month'] < 10 ? '0' . $event['month'] : $event['month']) . ($event['day'] < 10 ? '0' . $event['day'] : $event['day']);
- // Do we have a event that spans several days?
- if ($event['span'] > 1)
- {
- $dateend = strtotime($event['year'] . '-' . ($event['month'] < 10 ? '0' . $event['month'] : $event['month']) . '-' . ($event['day'] < 10 ? '0' . $event['day'] : $event['day']));
- $dateend += ($event['span'] - 1) * 86400;
- $dateend = date('Ymd', $dateend);
- }
- // This is what we will be sending later
- $filecontents = '';
- $filecontents .= 'BEGIN:VCALENDAR' . "\n";
- $filecontents .= 'METHOD:PUBLISH' . "\n";
- $filecontents .= 'PRODID:-//ElkarteCommunity//ELKARTE ' . (empty($forum_version) ? 2.0 : strtr($forum_version, array('ELKARTE ' => ''))) . '//EN' . "\n";
- $filecontents .= 'VERSION:2.0' . "\n";
- $filecontents .= 'BEGIN:VEVENT' . "\n";
- $filecontents .= 'ORGANIZER;CN="' . $event['realname'] . '":MAILTO:' . $webmaster_email . "\n";
- $filecontents .= 'DTSTAMP:' . $datestamp . "\n";
- $filecontents .= 'DTSTART;VALUE=DATE:' . $datestart . "\n";
- // more than one day
- if ($event['span'] > 1)
- $filecontents .= 'DTEND;VALUE=DATE:' . $dateend . "\n";
- // event has changed? advance the sequence for this UID
- if ($event['sequence'] > 0)
- $filecontents .= 'SEQUENCE:' . $event['sequence'] . "\n";
- $filecontents .= 'SUMMARY:' . implode('', $title);
- $filecontents .= 'UID:' . $event['eventid'] . '@' . str_replace(' ', '-', $mbname) . "\n";
- $filecontents .= 'END:VEVENT' . "\n";
- $filecontents .= 'END:VCALENDAR';
- // Send some standard headers.
- ob_end_clean();
- if (!empty($modSettings['enableCompressedOutput']))
- @ob_start('ob_gzhandler');
- else
- ob_start();
- // Send the file headers
- header('Pragma: ');
- header('Cache-Control: no-cache');
- if (!isBrowser('gecko'))
- header('Content-Transfer-Encoding: binary');
- header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 525600 * 60) . ' GMT');
- header('Last-Modified: ' . gmdate('D, d M Y H:i:s', time()) . 'GMT');
- header('Accept-Ranges: bytes');
- header('Connection: close');
- header('Content-Disposition: attachment; filename="' . $event['title'] . '.ics"');
- if (empty($modSettings['enableCompressedOutput']))
- header('Content-Length: ' . $smcFunc['strlen']($filecontents));
- // This is a calendar item!
- header('Content-Type: text/calendar');
- // Chuck out the card.
- echo $filecontents;
- // Off we pop - lovely!
- obExit(false);
- }