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<?php |
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namespace Smart\EtlBundle\Utils; |
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use Smart\EtlBundle\Exception\Utils\ArrayUtils\MultiArrayHeaderConsistencyException; |
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use Smart\EtlBundle\Exception\Utils\ArrayUtils\MultiArrayNbMaxRowsException; |
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/** |
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* @author Mathieu Ducrot <[email protected]> |
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*/ |
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class ArrayUtils |
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{ |
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/** |
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* Clean data from an array |
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* - remove null value and empty string |
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*/ |
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public static function removeEmpty(array $array): array |
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{ |
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return array_filter($array, function ($item) { |
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return $item !== null && (!is_string($item) || $item !== ''); |
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}); |
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} |
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/** |
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* Convert and clean data from string to array |
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*/ |
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public static function getArrayFromString(?string $string): array |
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{ |
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$toReturn = explode(PHP_EOL, $string); |
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$toReturn = array_map(function ($row) { |
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return trim($row); |
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}, $toReturn); |
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return array_unique(self::removeEmpty($toReturn)); |
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} |
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/** |
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* Convert and clean data from string to a multidimensional array |
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* |
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* @param array $options list all options to configure the transform behavior. Current available options : |
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* - delimiter (string) delimiter used to explode the row data |
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* - nb_max_row (integer) maximum limit number of row allowed in the data content to import |
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* - fix_header_consistency (boolean) allow to fix header consistency error |
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* @throws MultiArrayNbMaxRowsException |
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* @throws MultiArrayHeaderConsistencyException |
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*/ |
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public static function getMultiArrayFromString(string $string, array $header, array $options = []): array |
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{ |
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$nbRows = StringUtils::countRows($string); |
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if (isset($options['nb_max_row']) && $nbRows > $options['nb_max_row']) { |
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throw new MultiArrayNbMaxRowsException($options['nb_max_row'], $nbRows); |
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} |
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$toReturn = self::getArrayFromString($string); |
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$nbHeader = count($header); |
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$headerConsistencyError = []; |
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// options config |
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$delimiterOption = $options['delimiter'] ?? ','; |
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$fixHeaderConsistencyOption = (isset($options['fix_header_consistency']) && $options['fix_header_consistency']); |
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foreach ($toReturn as $key => $row) { |
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$rowData = str_getcsv($row, $delimiterOption); |
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// @todo extract in method mapTrimNull |
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$rowData = array_map(function ($data) { |
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if ($data !== null) { |
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$data = trim($data); |
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if ($data === '') { |
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$data = null; |
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} |
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} |
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return $data; |
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}, $rowData); |
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$validRowConsistency = true; |
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if ($fixHeaderConsistencyOption) { |
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// @todo extract in method syncHeader |
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// fill missing field on the row with null values |
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$rowData = array_pad($rowData, $nbHeader, null); |
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// slice extra data on the row |
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$rowData = array_slice($rowData, 0, $nbHeader); |
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} else { |
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if (count($rowData) != $nbHeader) { |
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$headerConsistencyError[] = $key + 1; |
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$validRowConsistency = false; |
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} |
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} |
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// combine to form the multidimensional array |
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if ($validRowConsistency) { |
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$toReturn[$key] = array_combine($header, $rowData); |
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} |
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} |
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if (count($headerConsistencyError) > 0) { |
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throw new MultiArrayHeaderConsistencyException($headerConsistencyError); |
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} |
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return $toReturn; |
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} |
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} |
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smartbooster /
etl-bundle
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