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<?php |
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/** |
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* @copyright CONTENT CONTROL GmbH, http://www.contentcontrol-berlin.de |
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*/ |
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namespace midcom\datamanager\extension\transformer; |
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use Symfony\Component\Form\DataTransformerInterface; |
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use Symfony\Component\Form\Exception\TransformationFailedException; |
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use midcom_error; |
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/** |
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* Experimental jsdate transformer |
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*/ |
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class multipleTransformer implements DataTransformerInterface |
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{ |
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private $config; |
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private $multiple_separator = '|'; |
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private $multiple_storagemode = 'serialized'; |
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public function __construct(array $config) |
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{ |
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$this->config = $config; |
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if (!empty($this->config['type_config']['multiple_storagemode'])) { |
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$this->multiple_storagemode = $this->config['type_config']['multiple_storagemode']; |
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} |
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} |
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public function transform($input) |
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{ |
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if (in_array($input, [false, null], true)) { |
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return []; |
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} |
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switch ($this->multiple_storagemode) { |
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case 'serialized': |
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case 'array': |
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if (empty($input)) { |
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return []; |
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} |
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return unserialize($input); |
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case 'imploded': |
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if (!is_string($input)) { |
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return []; |
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} |
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return explode($this->multiple_separator, $input); |
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case 'imploded_wrapped': |
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if (!is_string($input) || substr($input, 1, -1) == '') { |
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return []; |
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} |
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return explode($this->multiple_separator, substr($input, 1, -1)); |
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default: |
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throw new midcom_error("The multiple_storagemode '{$this->multiple_storagemode}' is invalid, cannot continue."); |
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} |
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} |
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public function reverseTransform($array) |
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{ |
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if (!is_array($array) ) { |
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throw new TransformationFailedException('Expected an array.'); |
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} |
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if (empty($array)) { |
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return; |
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} |
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switch ($this->multiple_storagemode) { |
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case 'array': |
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return $array; |
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case 'serialized': |
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return serialize($array); |
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case 'imploded': |
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return $this->get_imploded_options($array); |
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case 'imploded_wrapped': |
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$glue = $this->multiple_separator; |
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$options = $this->get_imploded_options($array); |
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return "{$glue}{$options}{$glue}"; |
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default: |
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throw new TransformationFailedException('Invalid storage mode ' . $this->multiple_storagemode); |
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} |
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} |
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/** |
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* Prepares the imploded storage string. All entries containing the pipe char (used as glue) |
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* will be logged and skipped silently. |
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*/ |
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private function get_imploded_options(array $array) : string |
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{ |
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$glue = $this->multiple_separator; |
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$result = []; |
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foreach ($array as $key) { |
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if (str_contains($key, $glue)) { |
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debug_add("The option key '{$key}' contained the multiple separator ($this->multiple_storagemode) char, which is not allowed for imploded storage targets. ignoring silently.", |
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MIDCOM_LOG_WARN); |
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continue; |
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} |
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$result[] = $key; |
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} |
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return implode($glue, $result); |
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} |
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} |
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flack /
openpsa
