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<?php |
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namespace Claudsonm\BoletoWinner\Validators; |
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use Claudsonm\BoletoWinner\Convenio; |
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class ConvenioValidator implements Validator |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public function verifyWritableLine(string $writableLine): bool |
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{ |
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$writableLine = preg_replace('/[^0-9]/', '', $writableLine); |
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if (strlen($writableLine) != 48) { |
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return false; |
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} |
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if ($writableLine[0] != '8') { |
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return false; |
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} |
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if (! in_array($writableLine[1], Convenio::SEGMENT_IDENTIFICATION)) { |
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return false; |
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} |
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$blocks = str_split($writableLine, 12); |
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$isModule10 = in_array($writableLine[2], Convenio::USES_MODULE_10); |
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$blocksValidated = 0; |
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foreach ($blocks as $block) { |
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$blockLength = strlen($block) - 1; |
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$blockInputNumbers = substr($block, 0, $blockLength); |
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$blockVerificationDigit = $this->getLastCharacter($block); |
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$digitCalculated = $isModule10 ? module10($blockInputNumbers) : module11($blockInputNumbers); |
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if ($digitCalculated === $blockVerificationDigit) { |
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$blocksValidated++; |
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} |
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} |
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return 4 === $blocksValidated; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function verifyBarcode(string $barcode): bool |
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{ |
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$barcode = preg_replace('/[^0-9]/', '', $barcode); |
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if (strlen($barcode) != 44) { |
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return false; |
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} |
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if ($barcode[0] != '8') { |
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return false; |
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} |
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if (! in_array($barcode[1], Convenio::SEGMENT_IDENTIFICATION)) { |
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return false; |
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} |
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$effectiveValueOrReferenceIdentifier = $barcode[2]; |
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if (! in_array($effectiveValueOrReferenceIdentifier, Convenio::AVAILABLE_CODES)) { |
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return false; |
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} |
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$barcodeVerificationDigit = $barcode[3]; |
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$blockInputNumbers = substr($barcode, 0, 3); |
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$blockInputNumbers .= substr($barcode, 4); |
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$digitCalculated = in_array($effectiveValueOrReferenceIdentifier, Convenio::USES_MODULE_10) |
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? module10($blockInputNumbers) |
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: module11($blockInputNumbers); |
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return $digitCalculated === $barcodeVerificationDigit; |
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} |
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/** |
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* Returns the last character of the input string. |
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*/ |
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private function getLastCharacter(string $input): string |
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{ |
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return substr($input, -1); |
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} |
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} |
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claudsonm /
boleto-winner
