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<?php |
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/** |
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* This software package is licensed under AGPL or Commercial license. |
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* |
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* @package maslosoft/mangan |
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* @licence AGPL or Commercial |
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* @copyright Copyright (c) Piotr Masełkowski <[email protected]> |
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* @copyright Copyright (c) Maslosoft |
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* @copyright Copyright (c) Others as mentioned in code |
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* @link https://maslosoft.com/mangan/ |
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*/ |
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namespace Maslosoft\Mangan\Decorators; |
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use Maslosoft\Mangan\Helpers\DbRefManager; |
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use Maslosoft\Mangan\Helpers\PkManager; |
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use Maslosoft\Mangan\Helpers\RawFinder; |
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use Maslosoft\Mangan\Interfaces\Decorators\Property\DecoratorInterface; |
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use Maslosoft\Mangan\Interfaces\Transformators\TransformatorInterface; |
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use Maslosoft\Mangan\Meta\ManganMeta; |
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use Maslosoft\Mangan\Model\DbRef; |
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/** |
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* DbRefArray |
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* |
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* @author Piotr Maselkowski <pmaselkowski at gmail.com> |
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*/ |
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class DbRefArrayDecorator implements DecoratorInterface |
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{ |
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public function read($model, $name, &$dbValues, $transformatorClass = TransformatorInterface::class) |
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{ |
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if (!$dbValues) |
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{ |
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$fieldMeta = ManganMeta::create($model)->field($name); |
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$model->$name = $fieldMeta->default; |
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return; |
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} |
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/** |
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* NOTE: Documents must be sorted as $dbRefs, |
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* however mongo does not guarantee sorting by list of id's. |
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* This require sorting in php. |
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* If document has composite key this must be taken care too |
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* while comparision for sorting is made. |
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*/ |
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$refs = []; |
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$unsortedRefs = []; |
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$pks = []; |
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$sort = []; |
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// Collect primary keys |
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foreach ($dbValues as $key => $dbValue) |
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{ |
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$dbValue['_class'] = DbRef::class; |
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$dbRef = $transformatorClass::toModel($dbValue); |
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DbRefDecorator::ensureClass($model, $name, $dbRef); |
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// Collect keys separately for each type |
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$pks[$dbRef->class][$key] = $dbRef->pk; |
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$sort[$key] = $dbRef->pk; |
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} |
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// Fetch all types of db ref's en masse |
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$i = 0; |
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$unsortedPks = []; |
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foreach ($pks as $referenced => $pkValues) |
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{ |
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if (empty($referenced)) |
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{ |
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continue; |
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} |
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// Find all referenced documents |
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$refModel = new $referenced; |
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$found = (new RawFinder($refModel))->findAllByPk($pkValues); |
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if (!$found) |
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{ |
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continue; |
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} |
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foreach ($found as $document) |
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{ |
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// Collect unsorted documents |
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$unsortedRefs[$i] = $document; |
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// Collect pk's |
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$unsortedPks[$i] = PkManager::getFromArray($document, $refModel); |
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$i++; |
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} |
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} |
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// Find existing documents |
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$existing = []; |
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foreach ($model->$name as $key => $document) |
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{ |
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foreach ($sort as $i => $pk) |
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{ |
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if (PkManager::compare($pk, $document)) |
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{ |
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// Set existing document with key same as in sort |
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$existing[$i] = $document; |
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} |
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} |
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} |
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// Sort as stored ref |
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foreach ($sort as $key => $pk) |
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{ |
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foreach ($unsortedRefs as $i => $document) |
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{ |
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if (PkManager::compare($pk, $unsortedPks[$i])) |
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{ |
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if (array_key_exists($key, $existing)) |
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{ |
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// Update existing instance |
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$refs[$key] = $transformatorClass::toModel($document, $existing[$key], $existing[$key]); |
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} |
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else |
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{ |
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// Create new instance |
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$refs[$key] = $transformatorClass::toModel($document); |
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} |
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} |
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} |
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} |
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$model->$name = $refs; |
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} |
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public function write($model, $name, &$dbValue, $transformatorClass = TransformatorInterface::class) |
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{ |
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$fieldMeta = ManganMeta::create($model)->field($name); |
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$dbValue[$name] = $fieldMeta->default; |
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// Empty |
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if (!$model->$name) |
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{ |
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return; |
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} |
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// Bogus data |
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if (!is_array($model->$name)) |
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{ |
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return; |
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} |
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// Store DbRefs and optionally referenced model |
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foreach ($model->$name as $key => $referenced) |
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{ |
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$dbRef = DbRefManager::extractRef($model, $name, $referenced); |
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if ($fieldMeta->dbRef->updatable) |
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{ |
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DbRefManager::save($referenced, $dbRef); |
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} |
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$dbValue[$name][$key] = $transformatorClass::fromModel($dbRef, false); |
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} |
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} |
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} |
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Maslosoft /
Mangan
