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<?php |
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declare(strict_types = 1); |
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namespace byrokrat\banking; |
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use byrokrat\banking\Exception\InvalidAccountNumberException; |
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/** |
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* Internal factory creating undefined account numbers (not belongning to a bank) |
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* |
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* It is permissive in the following respects: |
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* - spaces ( ), hyphens (-) and dots (.) are ignored |
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* - missplaced clearing-serial delimiters (,) are ignored |
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* |
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* For an alternative {@see StrictFactory}. |
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* For a factory that validates account numbers {@see AccountFactory}. |
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*/ |
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class PermissiveFactory implements AccountFactoryInterface |
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{ |
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private const CLEARING_SERIAL_DELIMITER = ','; |
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private const IGNORED_CHARS = [' ', '-', '.']; |
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private const CLEARING = 'CLEARING'; |
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private const CLEARING_CHECK = 'CLEARING_CHECK'; |
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private const SERIAL = 'SERIAL'; |
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private const CHECK = 'CHECK'; |
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public function createAccount(string $number): AccountNumber |
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{ |
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$parts = [ |
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self::CLEARING => '', |
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self::CLEARING_CHECK => '', |
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self::SERIAL => '', |
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self::CHECK => '', |
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]; |
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foreach (str_split($number) as $pos => $char) { |
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if (in_array($char, self::IGNORED_CHARS)) { |
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continue; |
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} |
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147 |
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if ($char == self::CLEARING_SERIAL_DELIMITER) { |
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self::terminateClearing($parts); |
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continue; |
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} |
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if (!ctype_digit($char)) { |
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1 |
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throw new InvalidAccountNumberException( |
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1 |
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"Invalid char ($char) at position $pos, expecting a digit" |
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); |
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} |
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self::pushDigit($char, $parts); |
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} |
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return new UndefinedAccount( |
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$number, |
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$parts[self::CLEARING], |
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$parts[self::CLEARING_CHECK], |
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$parts[self::SERIAL], |
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$parts[self::CHECK] |
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); |
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} |
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private static function pushDigit(string $digit, array &$parts): void |
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{ |
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$pending = $parts[self::CHECK]; |
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$parts[self::CHECK] = $digit; |
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if (strlen($parts[self::CLEARING]) < 4) { |
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$parts[self::CLEARING] .= $pending; |
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} else { |
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$parts[self::SERIAL] .= $pending; |
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} |
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} |
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private static function terminateClearing(array &$parts): void |
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{ |
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$pending = $parts[self::CHECK]; |
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$parts[self::CHECK] = ''; |
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if (strlen($parts[self::CLEARING]) < 4) { |
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$parts[self::CLEARING] .= $pending; |
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} elseif (!$parts[self::SERIAL]) { |
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$parts[self::CLEARING_CHECK] = $pending; |
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} else { |
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1 |
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$parts[self::CHECK] = $pending; |
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} |
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} |
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} |
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byrokrat /
banking
