getCalendarWeek()

Complexity

Conditions	36
Paths	> 20000

Size

Total Lines	126
Code Lines	69

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
function getCalendarWeek($month, $year, $day, $calendarOptions)
{
	global $modSettings;

	// Get todays date.
	$today = getTodayInfo();

	// What is the actual "start date" for the passed day.
	$calendarOptions['start_day'] = empty($calendarOptions['start_day']) ? 0 : (int) $calendarOptions['start_day'];
	$day_of_week = (int) Util::strftime('%w', mktime(0, 0, 0, $month, $day, $year));
	if ($day_of_week != $calendarOptions['start_day'])
	{
		// Here we offset accordingly to get things to the real start of a week.
		$date_diff = $day_of_week - $calendarOptions['start_day'];
		if ($date_diff < 0)
		{
			$date_diff += 7;
		}
		$new_timestamp = mktime(0, 0, 0, $month, $day, $year) - $date_diff * 86400;
		$day = (int) Util::strftime('%d', $new_timestamp);
		$month = (int) Util::strftime('%m', $new_timestamp);
		$year = (int) Util::strftime('%Y', $new_timestamp);
	}

	// Now start filling in the calendar grid.
	$calendarGrid = array(
		'show_next_prev' => !empty($calendarOptions['show_next_prev']),
		// Previous week is easy - just step back one day.
		'previous_week' => array(
			'year' => $day == 1 ? ($month == 1 ? $year - 1 : $year) : $year,
			'month' => $day == 1 ? ($month == 1 ? 12 : $month - 1) : $month,
			'day' => $day == 1 ? 28 : $day - 1,
			'disabled' => $day < 7 && $modSettings['cal_minyear'] > ($month == 1 ? $year - 1 : $year),
		),
		'next_week' => array(
			'disabled' => $day > 25 && date('Y') + $modSettings['cal_limityear'] < ($month == 12 ? $year + 1 : $year),
		),
	);

	// The next week calculation requires a bit more work.
	$curTimestamp = mktime(0, 0, 0, $month, $day, $year);
	$nextWeekTimestamp = $curTimestamp + 604800;
	$calendarGrid['next_week']['day'] = (int) Util::strftime('%d', $nextWeekTimestamp);
	$calendarGrid['next_week']['month'] = (int) Util::strftime('%m', $nextWeekTimestamp);
	$calendarGrid['next_week']['year'] = (int) Util::strftime('%Y', $nextWeekTimestamp);

	// Fetch the arrays for birthdays, posted events, and holidays.
	$startDate = Util::strftime('%Y-%m-%d', $curTimestamp);
	$endDate = Util::strftime('%Y-%m-%d', $nextWeekTimestamp);
	$bday = $calendarOptions['show_birthdays'] ? getBirthdayRange($startDate, $endDate) : array();
	$events = $calendarOptions['show_events'] ? getEventRange($startDate, $endDate) : array();
	$holidays = $calendarOptions['show_holidays'] ? getHolidayRange($startDate, $endDate) : array();

	// An adjustment value to apply to all calculated week numbers.
	if (!empty($calendarOptions['show_week_num']))
	{
		$first_day_of_year = (int) Util::strftime('%w', mktime(0, 0, 0, 1, 1, $year));
		$first_day_of_next_year = (int) Util::strftime('%w', mktime(0, 0, 0, 1, 1, $year + 1));
		// this one is not used in its scope
		// $last_day_of_last_year = (int) Util::strftime('%w', mktime(0, 0, 0, 12, 31, $year - 1));

		// All this is as getCalendarGrid.
		if ($calendarOptions['start_day'] === 0)
		{
			$nWeekAdjust = $first_day_of_year === 0 && $first_day_of_year > 3 ? 0 : 1;
		}
		else
		{
			$nWeekAdjust = $calendarOptions['start_day'] > $first_day_of_year && $first_day_of_year !== 0 ? 2 : 1;
		}

		$calendarGrid['week_number'] = (int) Util::strftime('%U', mktime(0, 0, 0, $month, $day, $year)) + $nWeekAdjust;

		// If this crosses a year boundary and includes january it should be week one.
		if ((int) Util::strftime('%Y', $curTimestamp + 518400) != $year && $calendarGrid['week_number'] > 53 && $first_day_of_next_year < 5)
		{
			$calendarGrid['week_number'] = 1;
		}
	}

	// This holds all the main data - there is at least one month!
	$calendarGrid['months'] = array();
	$lastDay = 99;
	$curDay = $day;
	$curDayOfWeek = $calendarOptions['start_day'];
	for ($i = 0; $i < 7; $i++)
	{
		// Have we gone into a new month (Always happens first cycle too)
		if ($lastDay > $curDay)
		{
			$curMonth = $lastDay == 99 ? $month : ($month == 12 ? 1 : $month + 1);
			$curYear = $lastDay == 99 ? $year : ($curMonth == 1 && $month == 12 ? $year + 1 : $year);
			$calendarGrid['months'][$curMonth] = array(
				'current_month' => $curMonth,
				'current_year' => $curYear,
				'days' => array(),
			);
		}

		// Add todays information to the pile!
		$date = sprintf('%04d-%02d-%02d', $curYear, $curMonth, $curDay);

The variable $curMonth does not seem to be defined for all execution paths leading up to this point.

The variable $curYear does not seem to be defined for all execution paths leading up to this point.

		$calendarGrid['months'][$curMonth]['days'][$curDay] = array(
			'day' => $curDay,
			'day_of_week' => $curDayOfWeek,
			'date' => $date,
			'is_today' => $date == $today['date'],
			'holidays' => !empty($holidays[$date]) ? $holidays[$date] : array(),
			'events' => !empty($events[$date]) ? $events[$date] : array(),
			'birthdays' => !empty($bday[$date]) ? $bday[$date] : array()
		);

		// Make the last day what the current day is and work out what the next day is.
		$lastDay = $curDay;
		$curTimestamp += 86400;
		$curDay = (int) Util::strftime('%d', $curTimestamp);

		// Also increment the current day of the week.
		$curDayOfWeek = $curDayOfWeek >= 6 ? 0 : ++$curDayOfWeek;
	}

	// Set the previous and the next week's links.
	$calendarGrid['previous_week']['href'] = getUrl('action', ['action' => 'calendar', 'viewweek', 'year' => $calendarGrid['previous_week']['year'], 'month' => $calendarGrid['previous_week']['month'], 'day' => $calendarGrid['previous_week']['day']]);
	$calendarGrid['next_week']['href'] = getUrl('action', ['action' => 'calendar', 'viewweek', 'year' => $calendarGrid['next_week']['year'], 'month' => $calendarGrid['next_week']['month'], 'day' => $calendarGrid['next_week']['day']]);

	return $calendarGrid;
}