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<?php |
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/* this file is part of pipelines */ |
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namespace Ktomk\Pipelines\Utility; |
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use Exception; |
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use Ktomk\Pipelines\File; |
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use Ktomk\Pipelines\Step; |
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/** |
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* Class FileShower |
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* |
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* Shows information about a file |
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* |
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* @package Ktomk\Pipelines\Utility |
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*/ |
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class FileShower |
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{ |
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/** |
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* @var callable |
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*/ |
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private $output; |
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/** |
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* @var File |
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*/ |
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private $file; |
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/** |
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* FileInfo constructor. |
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* @param callable $output |
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* @param File $file |
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*/ |
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public function __construct($output, File $file) |
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{ |
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$this->output = $output; |
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$this->file = $file; |
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} |
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public function showImages() |
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{ |
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$file = $this->file; |
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/** |
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* step iterator |
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* |
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* @param File $file |
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* @return array|Step[] |
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*/ |
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$iter = function (File $file) { |
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$ids = $file->getPipelineIds(); |
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$return = array(); |
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foreach ($ids as $id) { |
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foreach ($file->getById($id)->getSteps() as $index => $step) { |
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$return["$id:/step/$index"] = $step; |
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} |
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} |
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return $return; |
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}; |
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$images = array(); |
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foreach ($iter($file) as $step) { |
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$image = $step->getImage(); |
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$images[$image] = $image; |
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} |
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foreach ($images as $image) { |
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$this->info($image); |
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} |
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return 0; |
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} |
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public function showPipelineIds() |
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{ |
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$file = $this->file; |
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foreach ($file->getPipelineIds() as $id) { |
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$this->info($id); |
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} |
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return 0; |
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} |
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/** |
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* @return int 0 if there were no errors, 1 if there were errors |
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*/ |
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public function showPipelines() |
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{ |
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$pipelines = $this->file; |
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$errors = 0; |
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$table = array(array('PIPELINE ID', 'IMAGES', 'STEPS')); |
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foreach ($pipelines->getPipelineIds() as $id) { |
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try { |
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$pipeline = $pipelines->getById($id); |
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$steps = $pipeline->getSteps(); |
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} catch (Exception $e) { |
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$errors++; |
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$table[] = array($id, 'ERROR', $e->getMessage()); |
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continue; |
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} |
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list($images, $names) = $this->getImagesAndNames($steps); |
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$images = $images ? implode(', ', $images) : ''; |
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$steps = sprintf('%d%s', count($steps), $names ? ' ("' . implode('""; "', $names) . '")' : ''); |
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$table[] = array($id, $images, $steps); |
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} |
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$this->textTable($table); |
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return $errors ? 1 : 0; |
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} |
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private function textTable(array $table) |
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{ |
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$sizes = $this->textTableGetSizes($table); |
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foreach ($table as $row) { |
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$line = $this->textTableGetRow($row, $sizes); |
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$this->info($line); |
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} |
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} |
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private function info($message) |
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{ |
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call_user_func($this->output, $message); |
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} |
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/** |
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* @param array|Step[] $steps |
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* @return array |
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*/ |
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private function getImagesAndNames(array $steps) |
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{ |
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$images = array(); |
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$names = array(); |
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foreach ($steps as $step) { |
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$image = $step->getImage(); |
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if ($image !== File::DEFAULT_IMAGE) { |
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$images[] = $image; |
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} |
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$name = $step->getName(); |
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$name && $names[] = $name; |
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} |
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return array($images, $names); |
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} |
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/** |
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* get max sizes for each column in array table |
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* |
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* @param array $table |
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* @return array|int[] sizes |
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*/ |
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private function textTableGetSizes(array $table) |
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{ |
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$sizes = array(); |
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foreach ($table[0] as $index => $cell) { |
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$sizes[$index] = 0; |
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} |
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foreach ($table as $row) { |
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foreach ($row as $index => $column) { |
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$sizes[$index] = max($sizes[$index], strlen($column)); |
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} |
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} |
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return $sizes; |
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} |
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/** |
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* @param array|string[] $row |
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* @param array|int[] $sizes |
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* @return string |
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*/ |
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private function textTableGetRow(array $row, array $sizes) |
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{ |
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$line = ''; |
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foreach ($row as $index => $column) { |
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$len = strlen($column); |
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$index && $line .= " "; |
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$line .= $column; |
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$line .= str_repeat(' ', $sizes[$index] - $len); |
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} |
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return $line; |
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} |
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} |
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ktomk /
pipelines
