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<?php |
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namespace Transitions; |
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class Config |
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{ |
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/** |
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* The header key for the applicable transition version. |
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* @var string |
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*/ |
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protected $headerKey; |
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/** |
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* An array of transitions to apply, keyed by version date. |
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* @var array |
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*/ |
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protected $transitions; |
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public function __construct(string $headerKey = '', array $transitions = []) |
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{ |
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$this->setHeaderKey($headerKey) |
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->setTransitions($transitions); |
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} |
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public static function fromArray(array $attributes) : Config |
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{ |
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return new static($attributes['headerKey'] ?? '', $attributes['transitions'] ?? []); |
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} |
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public function headerKey() : string |
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{ |
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return $this->headerKey; |
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} |
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/** |
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* Get the applicable transitions for the given version. |
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* |
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* @param string|int $version |
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* @return array|Transition[] |
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*/ |
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public function transitionsForVersion($version) : array |
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{ |
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return array_reduce($this->filterStages($version), function (array $applicable, array $classes) { |
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return array_merge($applicable, $classes); |
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}, []); |
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} |
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/** |
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* @param string|int $version |
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* @return array |
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*/ |
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private function filterStages($version) : array |
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{ |
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return array_filter($this->transitions, function ($key) use ($version) { |
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return $version <= $key or $key === '*'; |
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}, ARRAY_FILTER_USE_KEY); |
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} |
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public function setHeaderKey(string $headerKey = '') : Config |
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{ |
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if (empty($headerKey)) { |
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throw HeaderKeyNotDefined::new(); |
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} |
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$this->headerKey = $headerKey; |
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return $this; |
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} |
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public function setTransitions(array $transitions = []) : Config |
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{ |
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$this->transitions = $transitions; |
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return $this; |
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} |
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} |
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bbrothers /
http-transitions
