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<?php |
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declare(strict_types = 1); |
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namespace Kata\Algorithm; |
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final class Finder |
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{ |
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/** @var User[] */ |
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private $users; |
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public function __construct(array $users) |
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{ |
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$this->users = $users; |
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} |
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public function find(int $orderMode): UsersBirthDateDifference |
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{ |
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/** @var UsersBirthDateDifference[] $usersBirthDateDifferenceList */ |
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$usersBirthDateDifferenceList = []; |
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$totalUsers = count($this->users); |
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foreach ($this->users as $i => $user) { |
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for ($j = $i + 1; $j < $totalUsers; $j++) { |
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$usersBirthDateDifference = new UsersBirthDateDifference(); |
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if ($user->birthDate < $this->users[$j]->birthDate) { |
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$usersBirthDateDifference->youngerUser = $user; |
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$usersBirthDateDifference->olderUser = $this->users[$j]; |
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} else { |
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$usersBirthDateDifference->youngerUser = $this->users[$j]; |
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$usersBirthDateDifference->olderUser = $user; |
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} |
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$usersBirthDateDifference->dateDifference = $usersBirthDateDifference->olderUser->birthDate->getTimestamp() |
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- $usersBirthDateDifference->youngerUser->birthDate->getTimestamp(); |
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$usersBirthDateDifferenceList[] = $usersBirthDateDifference; |
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} |
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} |
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if (count($usersBirthDateDifferenceList) < 1) { |
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return new UsersBirthDateDifference(); |
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} |
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return $this->orderByAgeDifference($orderMode, $usersBirthDateDifferenceList); |
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} |
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/** |
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* |
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* |
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* @param int $orderMode |
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* @param UsersBirthDateDifference[] $usersBirthDateDifferenceList |
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* @return UsersBirthDateDifference |
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*/ |
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private function orderByAgeDifference(int $orderMode, array $usersBirthDateDifferenceList): UsersBirthDateDifference |
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{ |
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usort($usersBirthDateDifferenceList, function(UsersBirthDateDifference $firstElement, UsersBirthDateDifference $secondElement) use ($orderMode) { |
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if (BirthDateDifference::SHORTEST === $orderMode) { |
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return $firstElement->dateDifference <=> $secondElement->dateDifference; |
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} |
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return $secondElement->dateDifference <=> $firstElement->dateDifference; |
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}); |
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return current($usersBirthDateDifferenceList); |
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} |
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} |
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uvinum /
php-kata-env
