public function isValid()
{
global $systemConfiguration;
$this->errors = array();
if (strlen(trim($this->dateFormat)) == 0) {
$this->setError(SEARCH_CRITERIA_DATE_FORMAT_INVALID);
return false;
}
if (strlen(trim($this->checkInDate)) == 0) {
$this->setError(SEARCH_CRITERIA_CHECK_IN_REQ);
return false;
} else {
if (!DateUtils::isValidDate($this->checkInDate, $systemConfiguration->getDateFormat())) {
$this->setError(SEARCH_CRITERIA_CHECK_IN_INVALID);
return false;
}
}
$currentDate = getdate();
if (!DateUtils::getNumericDate($this->checkInDate, $systemConfiguration->getDateFormat()) < intval($currentDate['year'] . $currentDate['mon'] . $currentDate['mday'])) {
$this->setError(SEARCH_CRITERIA_CHECK_IN_BEFORE_TODAY);
return false;
}
if (strlen(trim($this->checkOutDate)) == 0) {
$this->setError(SEARCH_CRITERIA_CHECK_OUT_REQ);
return false;
} else {
if (!DateUtils::isValidDate($this->checkOutDate, $systemConfiguration->getDateFormat())) {
$this->setError(SEARCH_CRITERIA_CHECK_OUT_INVALID);
return false;
}
}
if (intval(DateUtils::getNumericDate($this->checkInDate)) > intval(DateUtils::getNumericDate($this->checkOutDate))) {
$this->setError(SEARCH_CRITERIA_IN_BEFORE_OUT);
return false;
} else {
if ($this->getNightCountPrivate(true) < $systemConfiguration->getMinimumNightCount()) {
$this->setError(SEARCH_CRITERIA_MIN_BOOKING_PART_1 . $systemConfiguration->getMinimumNightCount() . SEARCH_CRITERIA_MIN_BOOKING_PART_2);
return false;
}
}
if (strlen(trim($this->adultsCount)) == 0) {
$this->setError(SEARCH_CRITERIA_ADULTS_REQ);
return false;
} else {
if (!is_int($this->adultsCount)) {
$this->setError(SEARCH_CRITERIA_ADULTS_INVALID);
return false;
} else {
if (intval($this->adultsCount) <= 0) {
$this->setError(SEARCH_CRITERIA_ADULTS_INVALID);
return false;
}
}
}
if (strlen(trim($this->childrenCount)) == 0) {
$this->setError(SEARCH_CRITERIA_ADULTS_REQ);
return false;
} else {
if (!is_int($this->childrenCount)) {
$this->setError(SEARCH_CRITERIA_ADULTS_INVALID);
return false;
}
}
return sizeof($this->errors) == 0;
}