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<?php |
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namespace Bourdeau\Bundle\HandEvaluatorBundle\HandEvaluator; |
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/** |
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* CardValidator |
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* |
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* Validate that the given cards are a valid set of cards for Texas Holdem Poker |
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* |
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* @author Pierre-Henri Bourdeau <[email protected]> |
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*/ |
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class CardValidator |
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{ |
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const VALID_CARDS = [ |
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'AD', 'KD', 'QD', 'JD', '10D', '9D', '8D', '7D', '6D', '5D', '4D', '3D', '2D', |
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'AH', 'KH', 'QH', 'JH', '10H', '9H', '8H', '7H', '6H', '5H', '4H', '3H', '2H', |
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'AC', 'KC', 'QC', 'JC', '10C', '9C', '8C', '7C', '6C', '5C', '4C', '3C', '2C', |
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'AS', 'KS', 'QS', 'JS', '10S', '9S', '8S', '7S', '6S', '5S', '4S', '3S', '2S', |
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]; |
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/** |
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* The main class method |
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* |
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* @param array $cards |
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* |
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* @return boolean |
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*/ |
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public function areValid(array $cards) |
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{ |
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if (count($cards) != 7) { |
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throw new \Exception("It's Texas Holdem! You need 7 cards!"); |
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} |
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if ($this->areCardsFormatValid($cards) && $this->hasNoCardDuplication($cards)) { |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Check if the cards are in a valid format |
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* |
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* @param array $cards |
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* @return boolean |
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*/ |
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private function areCardsFormatValid(array $cards) |
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{ |
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foreach ($cards as $card) { |
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if (!in_array($card, self::VALID_CARDS)) { |
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throw new \Exception(sprintf("The card %s is not in a valid format!", $card)); |
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} |
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} |
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return true; |
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} |
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/** |
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* Look for card duplication |
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* |
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* @param array $cards |
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* |
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* @return boolean |
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*/ |
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private function hasNoCardDuplication(array $cards) |
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{ |
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$values = array_count_values($cards); |
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foreach ($values as $key => $value) { |
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if ($value > 1) { |
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throw new \Exception(sprintf("The card %s is duplicate!", $key)); |
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} |
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} |
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return true; |
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} |
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} |
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bourdeau /
handevaluator-bundle
