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<?php |
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declare(strict_types = 1); |
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namespace SLWDC\NICParser; |
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use DateInterval; |
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use DateTime; |
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use SLWDC\NICParser\Exception\InvalidArgumentException; |
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use function strlen; |
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class Parser { |
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private $data_components = []; |
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const ID_FORMAT_PRE_2016 = 1; |
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const ID_FORMAT_2016 = 2; |
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public function __construct(string $id_number) { |
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$this->parse($id_number); |
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} |
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public function getBirthday(): DateTime { |
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return $this->data_components['date']; |
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} |
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public function getSerialNumber(): int { |
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return $this->data_components['serial']; |
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} |
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public function getFormat(): int { |
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return $this->data_components['format']; |
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} |
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public function getGender(): string { |
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return $this->data_components['gender']; |
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} |
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private function parse(string $id_number) { |
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$id_number = $this->checkLength($id_number); |
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$this->checkBirthDate($id_number); |
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$this->detectFormat($id_number); |
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} |
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private function checkLength(string $id_number): int { |
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$id_number = strtoupper($id_number); |
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$strlen = strlen($id_number); |
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if ($strlen === 10) { |
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if ($id_number[9] !== 'V') { |
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throw new InvalidArgumentException('Ending character is invalid.', 103); |
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} |
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$id_number = substr($id_number, 0, 9); |
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} |
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if (!ctype_digit($id_number)) { |
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throw new InvalidArgumentException('Provided number is not all-numeric', 102); |
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} |
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return (int) $id_number; |
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} |
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private function checkBirthDate(int $id_number) { |
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$full_number = strlen((string) $id_number) === 9 |
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? '19' . $id_number |
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: (string) $id_number; |
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$year = (int) substr($full_number, 0, 4); |
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$this->data_components['year'] = $year; |
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$this->checkBirthYear($year); |
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$this->buildBirthDateObject($full_number, $year); |
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$this->data_components['serial'] = (int) substr($full_number, 7); |
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} |
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private function checkBirthYear(int $year) { |
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if ($year < 1900 || $year > 2100) { |
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throw new InvalidArgumentException('Birth year is out ff 1900-2100 range', 200); |
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} |
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} |
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private function buildBirthDateObject(string $full_number, int $year) { |
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$birthday = new DateTime(); |
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$birthday->setDate($year, 1, 1)->setTime(0, 0); |
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$birth_days_since = (int) substr($full_number, 4, 3); |
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if ($birth_days_since > 500) { |
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$birth_days_since -= 500; |
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$this->data_components['gender'] = 'F'; |
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} |
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else { |
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$this->data_components['gender'] = 'M'; |
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} |
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if (date('L', mktime(0, 0, 0, 1, 1, $year)) === "1") { |
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--$birth_days_since; |
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} else { |
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$birth_days_since -= 2; |
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} |
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$birthday->add(new DateInterval('P' . $birth_days_since . 'D')); |
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$this->data_components['date'] = $birthday; |
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if ($birthday->format('Y') !== (string) $year) { |
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throw new InvalidArgumentException('Birthday indicator is invalid.', 201); |
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} |
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} |
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private function detectFormat(int $id_number) { |
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$strlen = strlen((string) $id_number); |
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if ($strlen === 12) { |
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$this->data_components['format'] = static::ID_FORMAT_2016; |
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} |
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else { |
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$this->data_components['format'] = static::ID_FORMAT_PRE_2016; |
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} |
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} |
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} |
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slwdc /
NICParser
