CalendarMain()

Complexity

Conditions	54
Paths	1

Size

Total Lines	231
Code Lines	130

Duplication

Lines	0
Ratio	0 %

Importance

Changes	2
Bugs	1	Features	0

<?php
function CalendarMain()
{
	global $txt, $context, $modSettings, $scripturl, $options, $sourcedir, $user_info, $smcFunc;

	// Permissions, permissions, permissions.
	isAllowedTo('calendar_view');

	// Some global template resources.
	$context['calendar_resources'] = array(
		'min_year' => $modSettings['cal_minyear'],
		'max_year' => $modSettings['cal_maxyear'],
	);

	// Doing something other than calendar viewing?
	$subActions = array(
		'ical' => 'iCalDownload',
		'post' => 'CalendarPost',
	);

	if (isset($_GET['sa']) && isset($subActions[$_GET['sa']]))
		return call_helper($subActions[$_GET['sa']]);

	// You can't do anything if the calendar is off.
	if (empty($modSettings['cal_enabled']))
		fatal_lang_error('calendar_off', false);

	// This is gonna be needed...
	loadTemplate('Calendar');
	loadCSSFile('calendar.css', array('force_current' => false, 'validate' => true, 'rtl' => 'calendar.rtl.css'), 'smf_calendar');

	// Did the specify an individual event ID? If so, let's splice the year/month in to what we would otherwise be doing.
	if (isset($_GET['event']))
	{
		$evid = (int) $_GET['event'];
		if ($evid > 0)
		{
			$request = $smcFunc['db_query']('', '
				SELECT start_date
				FROM {db_prefix}calendar
				WHERE id_event = {int:event_id}',
				array(
					'event_id' => $evid,
				)
			);
			if ($row = $smcFunc['db_fetch_assoc']($request))
			{
				$_REQUEST['start_date'] = $row['start_date'];

				// We might use this later.
				$context['selected_event'] = $evid;
			}
			$smcFunc['db_free_result']($request);
		}
		unset ($_GET['event']);
	}

	// Set the page title to mention the calendar ;).
	$context['page_title'] = $txt['calendar'];

	// Ensure a default view is defined
	if (empty($options['calendar_default_view']))
		$options['calendar_default_view'] = 'viewlist';

	// What view do we want?
	if (isset($_GET['viewweek']))
		$context['calendar_view'] = 'viewweek';
	elseif (isset($_GET['viewmonth']))
		$context['calendar_view'] = 'viewmonth';
	elseif (isset($_GET['viewlist']))
		$context['calendar_view'] = 'viewlist';
	else
		$context['calendar_view'] = $options['calendar_default_view'];

	// Don't let search engines index the non-default calendar pages
	if ($context['calendar_view'] !== $options['calendar_default_view'])
		$context['robot_no_index'] = true;

	// Get the current day of month...
	require_once($sourcedir . '/Subs-Calendar.php');
	$today = getTodayInfo();

	// Need a start date for all views
	if (!empty($_REQUEST['start_date']))
	{
		$start_parsed = date_parse(str_replace(',', '', convertDateToEnglish($_REQUEST['start_date'])));
		if (empty($start_parsed['error_count']) && empty($start_parsed['warning_count']))
		{
			$_REQUEST['year'] = $start_parsed['year'];
			$_REQUEST['month'] = $start_parsed['month'];
			$_REQUEST['day'] = $start_parsed['day'];
		}
	}
	$year = !empty($_REQUEST['year']) ? (int) $_REQUEST['year'] : $today['year'];
	$month = !empty($_REQUEST['month']) ? (int) $_REQUEST['month'] : $today['month'];
	$day = !empty($_REQUEST['day']) ? (int) $_REQUEST['day'] : (!empty($_REQUEST['month']) ? 1 : $today['day']);

	$start_object = checkdate($month, $day, $year) === true ? date_create(implode('-', array($year, $month, $day)) . ' ' . getUserTimezone()) : date_create(implode('-', array($today['year'], $today['month'], $today['day'])) . ' ' . getUserTimezone());

	// Need an end date for the list view
	if (!empty($_REQUEST['end_date']))
	{
		$end_parsed = date_parse(str_replace(',', '', convertDateToEnglish($_REQUEST['end_date'])));
		if (empty($end_parsed['error_count']) && empty($end_parsed['warning_count']))
		{
			$_REQUEST['end_year'] = $end_parsed['year'];
			$_REQUEST['end_month'] = $end_parsed['month'];
			$_REQUEST['end_day'] = $end_parsed['day'];
		}
	}
	$end_year = !empty($_REQUEST['end_year']) ? (int) $_REQUEST['end_year'] : null;
	$end_month = !empty($_REQUEST['end_month']) ? (int) $_REQUEST['end_month'] : null;
	$end_day = !empty($_REQUEST['end_day']) ? (int) $_REQUEST['end_day'] : null;

	$end_object = null;

	if (isset($end_month, $end_day, $end_year) && checkdate($end_month, $end_day, $end_year))
	{
		$end_object = date_create(implode('-', array($end_year, $end_month, $end_day)) . ' ' . getUserTimezone());
	}

	if (empty($end_object) || $start_object >= $end_object)
	{
		$num_days_shown = empty($modSettings['cal_days_for_index']) || $modSettings['cal_days_for_index'] < 1 ? 1 : $modSettings['cal_days_for_index'];

		$end_object = date_create(date_format($start_object, 'Y-m-d') . ' ' . getUserTimezone());

		date_add($end_object, date_interval_create_from_date_string($num_days_shown . ' days'));
	}

	$curPage = array(
		'year' => date_format($start_object, 'Y'),
		'month' => date_format($start_object, 'n'),
		'day' => date_format($start_object, 'j'),
		'start_date' => date_format($start_object, 'Y-m-d'),
		'end_year' => date_format($end_object, 'Y'),
		'end_month' => date_format($end_object, 'n'),
		'end_day' => date_format($end_object, 'j'),
		'end_date' => date_format($end_object, 'Y-m-d'),
	);

	// 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['calendar_view'] != 'viewmonth')
	{
		$isValid = checkdate($curPage['month'], $curPage['day'], $curPage['year']);
		if (!$isValid)
			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' => !empty($modSettings['cal_short_days']),
		'short_month_titles' => !empty($modSettings['cal_short_months']),
		'show_next_prev' => !empty($modSettings['cal_prev_next_links']),
		'show_week_links' => isset($modSettings['cal_week_links']) ? $modSettings['cal_week_links'] : 0,
	);

	// Load up the main view.
	if ($context['calendar_view'] == 'viewlist')
		$context['calendar_grid_main'] = getCalendarList($curPage['start_date'], $curPage['end_date'], $calendarOptions);
	elseif ($context['calendar_view'] == 'viewweek')
		$context['calendar_grid_main'] = getCalendarWeek($curPage['start_date'], $calendarOptions);
	else
		$context['calendar_grid_main'] = getCalendarGrid($curPage['start_date'], $calendarOptions);

	// Load up the previous and next months.
	$context['calendar_grid_current'] = getCalendarGrid($curPage['start_date'], $calendarOptions, false, false);

	// 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']['start_date'], $calendarOptions, true, false);

	// 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']['start_date'], $calendarOptions, false, false);

	// Basic template stuff.
	$context['allow_calendar_event'] = allowedTo('calendar_post');

	// If you don't allow events not linked to posts and you're not an admin, we have more work to do...
	if ($context['allow_calendar_event'] && empty($modSettings['cal_allow_unlinked']) && !$user_info['is_admin'])
	{
		$boards_can_post = boardsAllowedTo('post_new');
		$context['allow_calendar_event'] &= !empty($boards_can_post);
	}

	$context['can_post'] = $context['allow_calendar_event'];
	$context['current_day'] = $curPage['day'];
	$context['current_month'] = $curPage['month'];
	$context['current_year'] = $curPage['year'];
	$context['show_all_birthdays'] = isset($_GET['showbd']);
	$context['blocks_disabled'] = !empty($modSettings['cal_disable_prev_next']) ? 1 : 0;

	// Set the page title to mention the month or week, too
	if ($context['calendar_view'] != 'viewlist')
		$context['page_title'] .= ' - ' . ($context['calendar_view'] == 'viewweek' ? $context['calendar_grid_main']['week_title'] : $txt['months_titles'][$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' => $txt['months_titles'][$context['current_month']] . ' ' . $context['current_year']
	);
	// If applicable, add the current week to the linktree.
	if ($context['calendar_view'] == 'viewweek')
		$context['linktree'][] = array(
			'url' => $scripturl . '?action=calendar;viewweek;year=' . $context['current_year'] . ';month=' . $context['current_month'] . ';day=' . $context['current_day'],
			'name' => $context['calendar_grid_main']['week_title'],
		);

	// Build the calendar button array.
	$context['calendar_buttons'] = array();

	if ($context['can_post'])
		$context['calendar_buttons']['post_event'] = array('text' => 'calendar_post_event', 'image' => 'calendarpe.png', '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');
}
?>