/**
* Set id
*
* Format is YYYYMMDD(+-)NNNC or YYMMDD(+-)NNNC where parenthesis represents
* an optional one char delimiter, N represents the individual number and C
* the check digit. If year is set using two digits century is calculated
* based on delimiter (+ signals more than a hundred years old). If year is
* set using four digits delimiter is calculated based on century.
*
* @param string $number
* @throws Exception\InvalidDateStructureException If date is not logically valid
*/
public function __construct($number)
{
list(, $century, $this->serialPre, $delimiter, $this->serialPost, $this->checkDigit) = PersonalId::parseStructure($number);
$this->delimiter = $delimiter ?: '-';
if ($century) {
// Set delimiter based on date (+ if date is more then a hundred years old)
$this->date = DateTimeCreator::createFromFormat('Ymd', $century . $this->serialPre);
$hundredYearsAgo = new \DateTime();
$hundredYearsAgo->modify('-100 year');
$this->delimiter = $this->getDate() < $hundredYearsAgo ? '+' : '-';
} else {
// No century defined
$this->date = DateTimeCreator::createFromFormat('ymd', $this->serialPre);
// If in the future century is wrong
if ($this->date > new \DateTime()) {
$this->date->modify('-100 year');
}
// Date is over a hundred years ago if delimiter is +
if ($this->getDelimiter() == '+') {
$this->date->modify('-100 year');
}
}
// Validate that date is logically valid
if ($this->date->format('ymd') != $this->serialPre) {
throw new Exception\InvalidDateStructureException("Invalid date in <{$this->getId()}>");
}
$this->validateCheckDigit();
}
