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<?php |
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namespace Coco\SourceWatcher\Core\Extractors; |
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use Coco\SourceWatcher\Core\Extractor; |
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use Coco\SourceWatcher\Core\IO\Inputs\DatabaseInput; |
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use Coco\SourceWatcher\Core\Row; |
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use Coco\SourceWatcher\Core\SourceWatcherException; |
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/** |
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* Class DatabaseExtractor |
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* |
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* @package Coco\SourceWatcher\Core\Extractors |
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*/ |
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class DatabaseExtractor extends Extractor |
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{ |
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protected string $query; |
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protected array $availableOptions = [ "query" ]; |
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public function __construct () |
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{ |
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$this->query = ""; |
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} |
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public function getQuery () : string |
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{ |
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return $this->query; |
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} |
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public function setQuery ( string $query ) : void |
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{ |
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$this->query = $query; |
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} |
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/** |
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* @return array |
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* @throws SourceWatcherException |
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*/ |
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public function extract () : array |
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{ |
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if ( $this->input == null ) { |
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throw new SourceWatcherException( "An input must be provided" ); |
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} |
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if ( !( $this->input instanceof DatabaseInput ) ) { |
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throw new SourceWatcherException( sprintf( "The input must be an instance of %s", DatabaseInput::class ) ); |
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} |
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if ( $this->input->getInput() == null ) { |
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throw new SourceWatcherException( "No database connector found. Set a connector before trying to extract from the database" ); |
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} |
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if ( $this->query == null ) { |
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throw new SourceWatcherException( "Query missing" ); |
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} |
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$result = []; |
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$arrayResults = $this->input->getInput()->executePlainQuery( $this->query ); |
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foreach ( $arrayResults as $currentRecord ) { |
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array_push( $result, new Row( $currentRecord ) ); |
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} |
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return $result; |
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} |
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public function getArrayRepresentation () : array |
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{ |
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$result = parent::getArrayRepresentation(); |
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$dbInput = $this->getInput(); |
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$dbConnector = $dbInput->getInput(); |
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$result["input"] = [ |
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"class" => get_class( $dbConnector ), |
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"parameters" => $dbConnector->getConnectionParameters() |
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]; |
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return $result; |
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} |
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} |
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TheCocoTeam /
source-watcher-core
