/**
* Returns false if the dueDateExpression is illegal
* IMPORTANT: it stores dates using GTM time
*
* The dueDateExpression can have these formats:
* _ extended (24-09-2009 or different according to date-format setting)
* _ tomorrow
* _ tom
* _ today
* _ tod
* _ in 1 day
* _ in X days (where X is a number)
* _ in 1 week
* _ in X weeks (where X is a number)
* _ in 1 month
* _ in X months (where X is a number)
* _ in 1 year
* _ in X years (where X is a number)
*
* @param string $dueDateExpression (see method description)
* @param string $incomingDateFormat (='') the date format to use (PHP date() format), rather than the user's one
* @return PcTask|false
*/
public function setDueDate($dueDateExpression, $incomingDateFormat = '')
{
if (!$dueDateExpression) {
return parent::setDueDate($dueDateExpression);
}
$dueDateExpression = trim($dueDateExpression);
$dueDateValue = '';
$timestamp = false;
// let's look for extended format
$dateFormat = DateFormat::getInstance();
$dateBits = $dateFormat->getDateBits($dueDateExpression, $incomingDateFormat);
$loggedInUser = PcUserPeer::getLoggedInUser();
if (count($dateBits)) {
list($day, $month, $year) = $dateBits;
if ($day) {
return parent::setDueDate("{$year}-{$month}-{$day}");
}
} else {
if ($dueDateExpression == 'today' || $dueDateExpression == 'tod') {
$timestamp = $loggedInUser->getTime();
} else {
if ($dueDateExpression == 'tomorrow' || $dueDateExpression == 'tom') {
$timestamp = $loggedInUser->getTime() + 86400;
} else {
// let's look for the other expressions
$dueDateExpression = str_replace('in ', '+', $dueDateExpression);
// we do this so we can use strtotime
// the strtotime function is a bit lenient: it accepts date shortcuts such as 'in 1 mondddth'
// returning today's date (???)
// Thus we need some filtering: the dueDateExpression has to contain at least one of the following words:
$legalWords = array('next', 'day', 'days', 'week', 'weeks', 'month', 'months', 'year', 'years', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat', 'sun', 'monday', 'tuesday', 'wednesday', 'thursday', 'friday', 'saturday', 'sunday');
$dueDateExpressionWords = explode(' ', $dueDateExpression);
if (!count(array_intersect($legalWords, $dueDateExpressionWords))) {
return false;
}
$timestamp = strtotime($dueDateExpression, $loggedInUser->getTime());
}
}
}
if ($timestamp) {
return parent::setDueDate(date('Y-m-d', $timestamp));
}
return false;
}
