TaskReminderRule::execute

public function execute(AccessibleItem $task = null, $params = null): bool
{
	if (!$task)
	{
		$this->controller->addError(static::class, 'Incorrect task');
		return false;
	}

	if ($this->user->isAdmin())
	{
		return true;
	}

	if (!$this->controller->check(ActionDictionary::ACTION_TASK_READ, $task))
	{
		$this->controller->addError(static::class, 'Access to read task denied');
		return false;
	}

	foreach ($params as $reminder)
	{
		if (!array_key_exists('RECEPIENT_TYPE', $reminder))
		{
			$this->controller->addError(static::class, 'Incorrect recipient type');
			return false;
		}
		$target = $reminder['RECEPIENT_TYPE'];

		// can set reminder himself
		if ($target === 'S')
		{
			continue;
		}

		// members can set reminders
		if ($task->isMember($this->user->getUserId()))
		{
			continue;
		}

		// subordinate task
		if ($this->isSubordinateTask($task, false))
		{
			continue;
		}

		$this->controller->addError(static::class, 'Access to remind task denied');
		return false;
	}

	return true;
}