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<?php |
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/* this file is part of pipelines */ |
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namespace Ktomk\Pipelines\File\Info; |
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use Ktomk\Pipelines\File\Pipeline; |
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use Ktomk\Pipelines\File\Pipeline\Steps; |
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/** |
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* info about steps (for show output) |
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* |
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* info about steps include {@see StepInfo}. |
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*/ |
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final class StepsInfo implements \Countable |
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{ |
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/** |
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* @var ?Steps |
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*/ |
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private $steps; |
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public static function fromPipeline(Pipeline $pipeline = null) |
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{ |
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return new self($pipeline ? $pipeline->getSteps() : null); |
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} |
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/** |
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* @param ?Steps $steps |
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*/ |
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public function __construct(Steps $steps = null) |
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{ |
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$this->steps = $steps; |
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} |
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/** |
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* @return array|string[] image names (unique), w/o the default image name |
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*/ |
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public function getImageNames() |
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{ |
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$images = array(); |
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foreach (new StepsStepInfoIterator($this->steps) as $info) { |
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if (false === $info->hasDefaultImage()) { |
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$images[] = $info->getImageName(); |
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} |
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} |
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return array_unique($images); |
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} |
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public function getImagesAsString($separator = ', ') |
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{ |
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$images = $this->getImageNames(); |
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return $images ? implode($separator, $images) : ''; |
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} |
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public function getSummary() |
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{ |
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list($names, $annotations) = $this->getNamesAndAnnotations(); |
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return sprintf( |
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'%d%s', |
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$this->count(), |
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$names ? ' (' . implode('; ', $this->annotate($names, ' *', $annotations)) . ')' : '' |
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); |
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} |
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public function count() |
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{ |
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return $this->steps ? count($this->steps) : 0; |
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} |
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/** |
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* @return array [string[] images, string[] names, array<string>[] annotations] |
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*/ |
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private function getNamesAndAnnotations() |
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{ |
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$names = array(); |
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$annotations = array(); |
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foreach (new StepsStepInfoIterator($this->steps) as $info) { |
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$names[] = $info->getName(); |
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$annotations[] = $info->getAnnotations(); |
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} |
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return array($names, $annotations); |
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} |
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/** |
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* @param array<string> $names |
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* @param string $annotator |
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* @param array<string> $annotations |
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* |
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* @return array|string[] |
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*/ |
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private function annotate(array $names, $annotator, array $annotations) |
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{ |
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return array_map(function ($name, $annotations) use ($annotator) { |
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if ($annotations) { |
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$name .= $annotator . implode('', $annotations); |
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} |
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return $name; |
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}, $names, $annotations); |
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} |
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} |
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ktomk /
pipelines
