/**
* checks and sets the number of invoices that should have
* been generated until $today
*
* @param sfDate the date until the function checks
* @return void
**/
public function checkMustOccurrences(sfDate $today = null)
{
if (!$today) {
$today = new sfDate();
}
$starting_date = new sfDate($this->getStartingDate());
$finishing_date = new sfDate($this->getFinishingDate());
if ($today->cmp($starting_date) > 0) {
// check only until the finishing_date, or until today if finishing_date has not yet come
$check_date = $today->cmp($finishing_date) > 0 ? $finishing_date : $today;
switch ($this->getPeriodType()) {
case 'year':
$unit = sfTime::YEAR;
break;
case 'month':
$unit = sfTime::MONTH;
break;
case 'week':
$unit = sfTime::WEEK;
break;
case 'day':
$unit = sfTime::DAY;
break;
}
$difference = $check_date->diff($starting_date, $unit);
$must_occurrences = floor($difference / $this->getPeriod()) + 1;
// if there is a max_occurrences set and is greater, then set this as the must occurrences
if ($this->getMaxOccurrences() && $must_occurrences > $this->getMaxOccurrences()) {
$must_occurrences = $this->getMaxOccurrences();
}
$this->setMustOccurrences($must_occurrences);
} else {
$this->setMustOccurrences(0);
}
}
/**
* Gets the difference of two date values in sfTime::YEAR
*
* @param $other mixed timestamp, string, or sfDate object
* @return int the difference in the unit
* @author Enrique Martinez <*****@*****.**>
**/
public function diffYear($other)
{
$other_date = self::getInstance($other);
$diff = $this->getYear() - $other_date->getYear();
$date_compare = new sfDate($other_date);
$date_compare->addYear($diff);
if ($diff > 0 && $date_compare->cmp($this) > 0) {
$diff--;
}
if ($diff < 0 && $date_compare->cmp($this) < 0) {
$diff++;
}
return $diff;
}
