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<?php |
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namespace Maketok\DataMigration\Action\Type; |
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use Maketok\DataMigration\Action\ActionInterface; |
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use Maketok\DataMigration\Action\Exception\WrongContextException; |
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use Maketok\DataMigration\Unit\ExportDbUnitInterface; |
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use Maketok\DataMigration\Unit\ImportDbUnitInterface; |
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use Maketok\DataMigration\Unit\ImportFileUnitInterface; |
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use Maketok\DataMigration\Unit\UnitBagInterface; |
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use Maketok\DataMigration\Workflow\ResultInterface; |
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/** |
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* Dump data from tmp table to tmp file |
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*/ |
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class Dump extends AbstractDbAction implements ActionInterface |
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{ |
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/** |
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* @var UnitBagInterface|ExportDbUnitInterface[]|ImportFileUnitInterface[]|ImportDbUnitInterface[] |
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*/ |
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protected $bag; |
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/** |
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* @var ResultInterface |
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*/ |
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protected $result; |
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/** |
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* {@inheritdoc} |
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* @throws WrongContextException |
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*/ |
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public function process(ResultInterface $result) |
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{ |
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$limit = $this->config->offsetGet('dump_limit'); |
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$this->result = $result; |
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try { |
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$this->start(); |
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foreach ($this->bag as $unit) { |
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$offset = 0; |
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while (($data = $this->resource->dumpData($unit->getTmpTable(), |
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array_keys($unit->getMapping()), |
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$limit, |
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$offset)) !== false && !empty($data)) { |
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$offset += $limit; |
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foreach ($data as $row) { |
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$unit->getFilesystem()->writeRow($row); |
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$result->incrementActionProcessed($this->getCode()); |
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} |
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} |
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} |
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} catch (\Exception $e) { |
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$this->close(); |
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throw $e; |
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} |
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$this->close(); |
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} |
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/** |
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* open handlers |
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* @throws WrongContextException |
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*/ |
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private function start() |
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{ |
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$this->result->setActionStartTime($this->getCode(), new \DateTime()); |
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foreach ($this->bag as $unit) { |
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if ($unit->getTmpTable() === null) { |
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throw new WrongContextException(sprintf( |
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"Action can not be used for current unit %s. Tmp table is missing.", |
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$unit->getCode() |
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)); |
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} |
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$unit->setTmpFileName($this->getTmpFileName($unit)); |
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$unit->getFilesystem()->open($unit->getTmpFileName(), 'w'); |
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} |
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} |
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/** |
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* close all handlers |
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*/ |
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private function close() |
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{ |
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foreach ($this->bag as $unit) { |
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$unit->getFilesystem()->close(); |
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} |
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$this->result->setActionEndTime($this->getCode(), new \DateTime()); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getCode() |
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{ |
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return 'dump'; |
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} |
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} |
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SlayerBirden /
datamigration
