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<?php |
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namespace Jackal\Copycat\Filter\ValueFilter; |
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abstract class AbstractCompareFilter extends AbstractFilter |
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{ |
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const COMPARISON_EQ = '='; |
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const COMPARISON_GTE = '>='; |
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const COMPARISON_GT = '>'; |
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const COMPARISON_LTE = '<='; |
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const COMPARISON_LT = '<'; |
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abstract protected function getComparison(); |
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/** |
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* @var int |
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*/ |
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private $comparedValue; |
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/** |
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* LowerThanFilter constructor. |
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* @param $fieldName |
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* @param int $comparedValue |
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*/ |
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public function __construct($fieldName, $comparedValue = 0) |
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{ |
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parent::__construct($fieldName); |
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$this->comparedValue = $comparedValue; |
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} |
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/** |
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* @param $value |
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* @return bool |
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*/ |
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public function __invoke($value) |
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{ |
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return $this->applyComparison($value[$this->fieldName], $this->comparedValue,$this->getComparison()); |
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} |
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protected function applyComparison($value1,$value2,$comparison){ |
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$value1 = $this->parseAsString($value1); |
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$value2 = $this->parseAsString($value2); |
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switch ($comparison){ |
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case self::COMPARISON_EQ:{ |
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if($value1 === null and $value2 === ''){ |
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return true; |
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} |
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return $value1 === $value2; |
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} |
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case self::COMPARISON_LT:{ |
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return $value1 < $value2; |
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} |
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case self::COMPARISON_LTE:{ |
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return $value1 <= $value2; |
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} |
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case self::COMPARISON_GT:{ |
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return $value1 > $value2; |
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} |
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case self::COMPARISON_GTE:{ |
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return $value1 >= $value2; |
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} |
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default:{ |
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throw new \RuntimeException('Something went terribly wrong!'); |
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} |
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} |
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} |
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/** |
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* @param mixed $value |
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* @return string|null |
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*/ |
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protected function parseAsString($value){ |
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if($value === null){ |
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return null; |
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} |
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if(is_scalar($value)){ |
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return $value; |
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} |
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if ($value instanceof \DateTime) { |
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return $value->format('Y-m-d H:i:s'); |
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} |
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if(is_object($value) and method_exists($value,'__toString')){ |
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return (string)$value; |
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} |
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throw new \RuntimeException('Cannot parse filter value'); |
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} |
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} |
lucajackal85 /
Copycat
