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<?php |
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namespace Maketok\DataMigration\Input\Shaper; |
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use Maketok\DataMigration\Action\Exception\ConflictException; |
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use Maketok\DataMigration\ArrayUtilsTrait; |
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use Maketok\DataMigration\Expression\LanguageInterface; |
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use Maketok\DataMigration\Input\ShaperInterface; |
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use Maketok\DataMigration\MapInterface; |
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use Maketok\DataMigration\Unit\ImportFileUnitInterface; |
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use Maketok\DataMigration\Unit\UnitBagInterface; |
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abstract class Processor implements ShaperInterface |
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{ |
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use ArrayUtilsTrait; |
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/** |
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* @var array |
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*/ |
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protected $buffer = []; |
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/** |
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* @var UnitBagInterface|ImportFileUnitInterface[] |
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*/ |
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protected $bag; |
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/** |
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* @var MapInterface |
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*/ |
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private $map; |
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/** |
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* @var MapInterface |
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*/ |
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private $oldmap; |
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/** |
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* @var LanguageInterface |
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*/ |
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protected $language; |
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/** |
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* @param UnitBagInterface $bag |
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* @param MapInterface $map |
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* @param LanguageInterface $language |
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*/ |
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public function __construct( |
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UnitBagInterface $bag, |
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MapInterface $map, |
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LanguageInterface $language |
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) { |
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$this->bag = $bag; |
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$this->map = $map; |
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$this->language = $language; |
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$this->bag->compileTree(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function feed(array $row) |
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{ |
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if ($this->bag->getLowestLevel() == 1) { |
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// no parent-child relationship |
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if (!empty($row)) { |
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return $row; |
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} |
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return false; |
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} |
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if ($this->map->isFresh($row)) { |
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$this->map->feed($row); |
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} |
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// forcing dump if empty row is coming |
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$res = $this->dumpBuffer(empty($row)); |
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$this->writeBuffered($row); |
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if ($res) { |
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$this->map->clear(); |
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} |
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return $res; |
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} |
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/** |
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* @param bool $force |
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* @return array|bool |
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* @throws ConflictException |
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*/ |
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private function dumpBuffer($force = false) |
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{ |
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$globalShouldDump = true; |
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if (!$force) { |
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foreach ($this->bag->getUnitsFromLevel(1) as $code) { |
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/** @var ImportFileUnitInterface $unit */ |
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$unit = $this->bag->getUnitByCode($code); |
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$shouldDump = $this->resolveIsEntity($unit); |
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$globalShouldDump &= $shouldDump; |
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} |
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} |
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if ($globalShouldDump) { |
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if (!empty($this->buffer)) { |
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$res = $this->assemble($this->buffer); |
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} else { |
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$res = false; |
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} |
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$this->clear(); |
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return $res; |
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} |
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return false; |
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} |
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/** |
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* @param ImportFileUnitInterface $unit |
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* @return bool|mixed |
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*/ |
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private function resolveIsEntity(ImportFileUnitInterface $unit) |
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{ |
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$isEntity = $unit->getIsEntityCondition(); |
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if (!isset($this->oldmap) || empty($isEntity)) { |
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return true; |
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} elseif (is_callable($isEntity) || is_string($isEntity)) { |
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return $this->language->evaluate($isEntity, [ |
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'map' => $this->map, |
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'oldmap' => $this->oldmap, |
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]); |
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} else { |
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throw new \LogicException( |
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sprintf("Can not understand is Entity Condition for %s unit.", $unit->getCode()) |
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); |
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} |
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} |
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/** |
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* @param $row |
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* @throws ConflictException |
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*/ |
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private function writeBuffered($row) |
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{ |
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if (empty($row)) { |
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return; |
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} |
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$level = 1; |
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$remembered = []; |
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while ($level <= $this->bag->getLowestLevel()) { |
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$codes = $this->bag->getUnitsFromLevel($level); |
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foreach ($codes as $code) { |
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if (isset($this->buffer[$code])) { |
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$remembered[$level][$code] = array_replace_recursive($this->buffer[$code], $row); |
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} else { |
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$remembered[$level][$code] = $row; |
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} |
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/** @var ImportFileUnitInterface $unit */ |
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$unit = $this->bag->getUnitByCode($code); |
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$parent = $unit->getParent(); |
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if ($parent) { |
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$parentCode = $parent->getCode(); |
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if (isset($remembered[$level-1][$parentCode])) { |
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if (isset($row[$code]) && !is_array($row[$code])) { |
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throw new ConflictException("Key to assign children to already exists."); |
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} |
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if ( |
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isset($remembered[$level-1][$parentCode][$code]) && |
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is_array($remembered[$level-1][$parentCode][$code]) |
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) { |
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if ($this->resolveIsEntity($unit)) { |
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$remembered[$level-1][$parentCode][$code][] = &$remembered[$level][$code]; |
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} else { |
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$remembered[$level][$code] = array_replace_recursive( |
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$remembered[$level-1][$parentCode][$code][0], |
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$remembered[$level][$code] |
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); |
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$remembered[$level-1][$parentCode][$code] = [&$remembered[$level][$code]]; |
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} |
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} else { |
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$remembered[$level-1][$parentCode][$code] = [&$remembered[$level][$code]]; |
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} |
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} |
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} |
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} |
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$level++; |
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} |
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$this->buffer = array_replace_recursive($remembered[1], $this->buffer); |
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$this->oldmap = clone $this->map; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function clear() |
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{ |
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$this->buffer = []; |
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} |
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} |
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SlayerBirden /
datamigration
This check looks for function or method calls that always return null and whose return value is assigned to a variable.
The method
getObject()can return nothing but null, so it makes no sense to assign that value to a variable.The reason is most likely that a function or method is imcomplete or has been reduced for debug purposes.