public function calendar($month = null, $year = null)
{
if ($this->shouldLockIfNoPermission('data.view')) {
return;
}
$now = time();
if ($month === null) {
$month = idate('m', $now);
}
$month = (int) $month;
if ($year === null) {
$year = idate('Y', $now);
}
$year = (int) $year;
$realYear = idate('Y', $now);
$realMonth = idate('m', $now);
$realDay = idate('d', $now);
$nextYear = $year;
$nextMonth = $month + 1;
if ($nextMonth > self::MONTHS_IN_YEAR) {
$nextYear++;
$nextMonth = 1;
}
$previousYear = $year;
$previousMonth = $month - 1;
if ($previousMonth < 1) {
$previousYear--;
$previousMonth = self::MONTHS_IN_YEAR;
}
$monthBeginning = mktime(0, 0, 0, $month, 1, $year);
$monthEnding = mktime(0, 0, 0, $nextMonth, 1, $nextYear) - 1;
/* This assumes mktime returns the number of seconds. */
$unixTime = mktime(0, 0, 0, $month, 1, $year);
$monthName = date('F', $unixTime);
$firstWeekDay = date('w', $unixTime);
$numberOfDays = cal_days_in_month(CAL_GREGORIAN, $month, $year);
$eventService = new Event($this->db);
$items = $eventService->findWithinRange($monthBeginning, $monthEnding);
if ($items === null) {
$this->flash->error('Unable to get events information!');
return $this->redirect('/');
}
/* Create an array of days. */
$days = [];
$dayIndex = 1;
while ($dayIndex <= $numberOfDays) {
$day = ['class' => 'day non-filler day' . $dayIndex, 'text' => $dayIndex, 'events' => []];
if ($month === $realMonth && $year === $realYear && $dayIndex === $realDay) {
$day['class'] .= ' today';
}
$days[$dayIndex] = $day;
$dayIndex++;
}
/* Associate each event with its day. */
foreach ($items as $item) {
$tempDay = idate('d', $item['created']);
$item['short_name'] = $item['name'];
$days[$tempDay]['events'][] = $item;
}
/* Start creating the month's data structure. */
$weeks = [[]];
$dayIndex = 0;
while ($dayIndex < $firstWeekDay) {
/* Add in the blank days. */
$weeks[0][-$dayIndex] = ['class' => 'day filler', 'text' => '', 'events' => []];
$dayIndex++;
}
$dayOfWeek = $firstWeekDay;
$numberOfWeeks = 0;
foreach ($days as $dayNumber => $day) {
if ($dayOfWeek >= self::DAYS_IN_WEEK) {
$dayOfWeek = 0;
$numberOfWeeks++;
$weeks[] = [];
}
switch ($dayOfWeek) {
case 0:
$day['class'] .= ' sunday';
break;
case 1:
$day['class'] .= ' monday';
break;
case 2:
$day['class'] .= ' tuesday';
break;
case 3:
$day['class'] .= ' wednesday';
break;
case 4:
$day['class'] .= ' thursday';
break;
case 5:
$day['class'] .= ' friday';
break;
case 6:
$day['class'] .= ' saturday';
break;
}
$weeks[$numberOfWeeks][$dayOfWeek] = $day;
$dayOfWeek++;
}
/* Add in the remaining blank days. */
$dayIndex = count($weeks[$numberOfWeeks]);
while ($dayIndex < self::DAYS_IN_WEEK) {
$weeks[$numberOfWeeks][-$dayIndex] = ['class' => 'day filler', 'text' => '', 'events' => []];
$dayIndex++;
}
/* Makes sure that the days are classifed as weekend or weekday. */
$lastDayOfAnyWeek = self::DAYS_IN_WEEK - 1;
foreach ($weeks as &$week) {
$dayIndex = 0;
foreach ($week as &$day) {
if ($dayIndex === 0 || $dayIndex === $lastDayOfAnyWeek) {
$day['class'] .= ' weekend';
} else {
$day['class'] .= ' weekday';
}
$dayIndex++;
}
}
$this->set('monthName', $monthName);
$this->set('month', $month);
$this->set('year', $year);
$this->set('weeks', $weeks);
$this->set('previousMonth', $previousMonth);
$this->set('previousYear', $previousYear);
$this->set('nextMonth', $nextMonth);
$this->set('nextYear', $nextYear);
}
