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<?php |
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namespace Z38\SwissPayment; |
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use DOMDocument; |
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/** |
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* PostalAccount holds details about a PostFinance account |
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*/ |
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class PostalAccount implements AccountInterface |
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{ |
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const PATTERN = '/^[0-9]{2}-[1-9][0-9]{0,5}-[0-9]$/'; |
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/** |
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* @var int |
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*/ |
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protected $prefix; |
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/** |
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* @var int |
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*/ |
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protected $number; |
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/** |
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* @var int |
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*/ |
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protected $checkDigit; |
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/** |
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* Constructor |
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* |
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* @param string $postalAccount |
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* |
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* @throws \InvalidArgumentException When the account number is not valid (check digit is not being tested). |
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*/ |
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public function __construct($postalAccount) |
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{ |
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if (!preg_match(self::PATTERN, $postalAccount)) { |
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throw new \InvalidArgumentException('Postal account number is not properly formatted.'); |
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} |
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$parts = explode('-', $postalAccount); |
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if (!self::checkPrefix($parts[0])) { |
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throw new \InvalidArgumentException('Postal account number has an invalid prefix.'); |
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} |
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$this->prefix = (int) $parts[0]; |
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$this->number = (int) $parts[1]; |
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$this->checkDigit = (int) $parts[2]; |
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} |
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/** |
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* Format the postal account number |
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* |
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* @return string The formatted account number |
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*/ |
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public function format() |
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{ |
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return sprintf('%d-%d-%d', $this->prefix, $this->number, $this->checkDigit); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function asDom(DOMDocument $doc) |
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{ |
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$root = $doc->createElement('Id'); |
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$other = $doc->createElement('Othr'); |
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$other->appendChild($doc->createElement('Id', $this->format())); |
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$root->appendChild($other); |
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return $root; |
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} |
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/** |
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* Checks whether a given prefix is valid |
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* |
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* @param int $prefix The prefix to be checked |
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* |
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* @return bool True if the prefix is valid |
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*/ |
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private static function checkPrefix($prefix) |
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{ |
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return in_array($prefix, array( |
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2 |
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10, 12, 17, 18, 19, |
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20, 23, 25, 30, 34, |
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40, 45, 46, 49, 50, |
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60, 65, 69, 70, 80, |
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82, 84, 85, 87, 90, |
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91, 92, |
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2 |
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)); |
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} |
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} |
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z38 /
swiss-payment
