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<?php |
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namespace DaanMooij\AdventOfCode\Year2015\Day2; |
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use Exception; |
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class Present |
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{ |
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private int $height; |
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private int $width; |
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private int $length; |
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public function __construct(int $height, int $width, int $length) |
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{ |
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$this->height = $height; |
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$this->width = $width; |
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$this->length = $length; |
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} |
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public static function fromString(string $dimensions): Present |
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{ |
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list($height, $width, $length) = explode('x', $dimensions); |
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return new Present(intval($height), intval($width), intval($length)); |
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} |
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/** @return array<int> */ |
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public function getSortedDimensions(): array |
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{ |
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$dimensions = [$this->height, $this->width, $this->length]; |
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sort($dimensions); |
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return $dimensions; |
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} |
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public function getVolume(): int |
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{ |
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return $this->height * $this->width * $this->length; |
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} |
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public function getSmallestSide(): int |
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{ |
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$sortedDimensions = $this->getSortedDimensions(); |
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$smallestSide = reset($sortedDimensions); |
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if (!is_int($smallestSide)) { |
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throw new Exception('Could not get smallest side'); |
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} |
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return $smallestSide; |
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} |
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public function getSecondSmallestSide(): int |
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{ |
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$dimensions = $this->getSortedDimensions(); |
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array_shift($dimensions); |
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$secondSmallestSide = reset($dimensions); |
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if (!is_int($secondSmallestSide)) { |
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throw new Exception('Could not get second smallest side'); |
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} |
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return $secondSmallestSide; |
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} |
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public function getSurfaceArea(): int |
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{ |
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$surfaceArea = (2 * $this->length * $this->width) |
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+ (2 * $this->width * $this->height) |
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+ (2 * $this->height * $this->length); |
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return $surfaceArea; |
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} |
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public function getSmallestSideArea(): int |
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{ |
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$dimensions = $this->getSortedDimensions(); |
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$smallestSide = array_shift($dimensions); |
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$secondSmallestSide = array_shift($dimensions); |
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return $smallestSide * $secondSmallestSide; |
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} |
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public function getHeight(): int |
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{ |
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return $this->height; |
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} |
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public function getWidth(): int |
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{ |
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return $this->width; |
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} |
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public function getLength(): int |
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{ |
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return $this->length; |
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} |
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} |
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daanmooij /
advent-of-code-php
