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<?php |
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/** |
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* Linna Filter |
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* |
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* @author Sebastian Rapetti <[email protected]> |
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* @copyright (c) 2018, Sebastian Rapetti |
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* @license http://opensource.org/licenses/MIT MIT License |
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*/ |
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declare(strict_types = 1); |
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namespace Linna\Filter\Rules; |
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use DateTime; |
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use UnexpectedValueException; |
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/** |
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* Compare two dates using >, <, >=, <=, = operators. |
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*/ |
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class DateCompare extends AbstractDate implements RuleInterface |
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{ |
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/** |
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* @var array Arguments expected. |
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*/ |
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private $arguments = ['string', 'string', 'string']; |
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/** |
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* @var string Valid date. |
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*/ |
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private $date; |
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/** |
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* @var DateTime Valid date in DateTime object. |
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*/ |
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private $dateTimeObject; |
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/** |
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* @var string Error message |
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*/ |
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private $message = ''; |
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/** |
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* Validate. |
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* |
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* @param string $received |
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* @param string $operator |
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* @param string $format |
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* @param string $compare |
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* |
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* @return bool |
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*/ |
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public function validate(string $received, string $operator, string $format, string $compare): bool |
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{ |
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$dateReceived = DateTime::createFromFormat($format, $received); |
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$dateCompare = DateTime::createFromFormat($format, $compare); |
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if (!($dateReceived && $dateCompare)) { |
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$this->message = "Received date is not in expected format {$format}"; |
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return true; |
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} |
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if ($this->dateHaveNoTime($format)) { |
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$dateReceived->setTime(0, 0, 0); |
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$dateCompare->setTime(0, 0, 0); |
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} |
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if ($this->switchOperator($operator, $dateReceived, $dateCompare)) { |
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$this->date = $dateReceived->format($format); |
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$this->dateTimeObject = $dateReceived; |
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return false; |
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} |
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$this->message = "Received date is not {$operator} {$compare}"; |
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return true; |
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} |
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/** |
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* Return DateTime object. |
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* |
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* @return DateTime |
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*/ |
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public function getDateTimeObject(): DateTime |
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{ |
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return $this->dateTimeObject; |
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} |
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/** |
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* Perform correct operation from passed operator. |
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* |
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* @param string $operator |
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* @param DateTime $dateReceived |
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* @param DateTime $dateCompare |
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* |
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* @return bool |
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* |
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* @throws UnexpectedValueException if unknown operator is provided. |
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*/ |
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private function switchOperator(string $operator, DateTime &$dateReceived, DateTime &$dateCompare): bool |
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{ |
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$received = $dateReceived->format(DateTime::ATOM); |
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$compare = $dateCompare->format(DateTime::ATOM); |
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switch ($operator) { |
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case '>': //greater than |
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return $received > $compare; |
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case '<': //less than |
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return $received < $compare; |
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case '>=': //greater than or equal |
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return $received >= $compare; |
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case '<=': //less than or equal |
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return $received <= $compare; |
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case '=': //equal |
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return $received === $compare; |
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default: |
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throw new UnexpectedValueException("Unknown comparson operator ({$operator}). Permitted >, <, >=, <=, ="); |
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} |
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} |
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/** |
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* Return error message. |
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* |
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* @return string Error message |
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*/ |
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public function getMessage(): string |
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{ |
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return $this->message; |
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} |
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} |
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linna /
filter
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