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<?php |
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namespace BOTK; |
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/** |
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* just a simple example class to integrate FactsFactory and a Data Model |
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*/ |
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class SimpleCsvGateway |
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{ |
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protected $options; |
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protected $factsFactory; |
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protected $currentRow = 0; |
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public static function factory(array $options) |
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{ |
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return new static($options); |
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} |
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public function __construct(array $options) |
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{ |
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$defaults = array( |
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'factsProfile' => array(), |
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'missingFactsIsError' => true, // if a missing fact must considered an error |
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'bufferSize' => 2000, |
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'skippFirstLine' => true, |
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'fieldDelimiter' => ',', |
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'silent' => false, |
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); |
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$this->options = array_merge($defaults,$options); |
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$this->factsFactory = new \BOTK\FactsFactory($options['factsProfile']); |
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} |
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protected function readRawData() |
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{ |
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$this->currentRow++; |
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return fgetcsv(STDIN, $this->options['bufferSize'], $this->options['fieldDelimiter']); |
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} |
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protected function message($message) |
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{ |
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if (!$this->options['silent']){ |
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echo $message; |
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} |
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} |
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public function run() |
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{ |
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while ($rawdata = $this->readRawData()) { |
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if($this->currentRow==1) { |
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echo $this->factsFactory->generateLinkedDataHeader(); |
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if { $this->options['skippFirstLine']){ |
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$this->message ("# Header skipped\n"); |
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continue; |
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} |
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} |
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try { |
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$facts =$this->factsFactory->factualize($rawdata); |
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// on first line write headers |
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echo ($this->currentRow==1)?$facts->asLinkedData():$facts->asTurtleFragment() , "\n"; |
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$droppedFields = $facts->getDroppedFields(); |
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if(!empty($droppedFields) && $this->options['missingFactsIsError']) { |
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$this->message ("\n# WARNING MISSING FACT on row {$this->currentRow}: dropped ".implode(",", $droppedFields)."\n"); |
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$this->factsFactory->addToCounter('error'); |
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} |
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} catch (\BOTK\Exception\Warning $e) { |
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$this->message ("\n# WARNING on row {$this->currentRow}: ".$e->getMessage()."\n"); |
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} |
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} |
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echo $this->factsFactory->generateLinkedDataFooter(); |
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} |
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} |
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linkeddatacenter /
BOTK-core
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