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<?php |
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namespace AlgoWeb\PODataLaravel\Query; |
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use AlgoWeb\PODataLaravel\Auth\NullAuthProvider; |
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use AlgoWeb\PODataLaravel\Enums\ActionVerb; |
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use AlgoWeb\PODataLaravel\Interfaces\AuthInterface; |
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use AlgoWeb\PODataLaravel\Providers\MetadataProvider; |
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use Illuminate\Database\Eloquent\Model; |
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use Illuminate\Database\Eloquent\Relations\BelongsTo; |
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use Illuminate\Database\Eloquent\Relations\BelongsToMany; |
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use Illuminate\Database\Eloquent\Relations\HasOneOrMany; |
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use Illuminate\Database\Eloquent\Relations\Relation; |
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use Illuminate\Support\Facades\App; |
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use POData\Common\InvalidOperationException; |
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use POData\Common\ODataException; |
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use POData\Providers\Metadata\ResourceProperty; |
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use POData\Providers\Metadata\ResourceSet; |
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use POData\Providers\Query\QueryResult; |
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use POData\Providers\Query\QueryType; |
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use POData\UriProcessor\QueryProcessor\ExpressionParser\FilterInfo; |
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use POData\UriProcessor\QueryProcessor\OrderByParser\InternalOrderByInfo; |
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use POData\UriProcessor\QueryProcessor\SkipTokenParser\SkipTokenInfo; |
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use POData\UriProcessor\ResourcePathProcessor\SegmentParser\KeyDescriptor; |
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use Symfony\Component\Process\Exception\InvalidArgumentException; |
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class LaravelHookQuery |
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{ |
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protected $auth; |
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protected $metadataProvider; |
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public function __construct(AuthInterface $auth = null) |
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{ |
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$this->auth = isset($auth) ? $auth : new NullAuthProvider(); |
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$this->metadataProvider = new MetadataProvider(App::make('app')); |
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} |
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/** |
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* Attaches child model to parent model. |
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* |
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* @param ResourceSet $sourceResourceSet |
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* @param object $sourceEntityInstance |
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* @param ResourceSet $targetResourceSet |
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* @param object $targetEntityInstance |
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* @param $navPropName |
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* |
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* @return bool |
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*/ |
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public function hookSingleModel( |
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ResourceSet $sourceResourceSet, |
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$sourceEntityInstance, |
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ResourceSet $targetResourceSet, |
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$targetEntityInstance, |
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$navPropName |
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) { |
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$relation = $this->isModelHookInputsOk($sourceEntityInstance, $targetEntityInstance, $navPropName); |
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assert( |
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$sourceEntityInstance instanceof Model && $targetEntityInstance instanceof Model, |
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'Both input entities must be Eloquent models' |
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); |
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// in case the fake 'PrimaryKey' attribute got set inbound for a polymorphic-affected model, flatten it now |
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unset($targetEntityInstance->PrimaryKey); |
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if ($relation instanceof BelongsTo) { |
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$relation->associate($targetEntityInstance); |
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} elseif ($relation instanceof BelongsToMany) { |
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$relation->attach($targetEntityInstance); |
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} elseif ($relation instanceof HasOneOrMany) { |
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$relation->save($targetEntityInstance); |
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} |
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return true; |
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} |
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/** |
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* Removes child model from parent model. |
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* |
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* @param ResourceSet $sourceResourceSet |
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* @param object $sourceEntityInstance |
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* @param ResourceSet $targetResourceSet |
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* @param object $targetEntityInstance |
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* @param $navPropName |
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* |
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* @return bool |
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*/ |
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public function unhookSingleModel( |
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ResourceSet $sourceResourceSet, |
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$sourceEntityInstance, |
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ResourceSet $targetResourceSet, |
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$targetEntityInstance, |
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$navPropName |
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) { |
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$relation = $this->isModelHookInputsOk($sourceEntityInstance, $targetEntityInstance, $navPropName); |
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assert( |
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$sourceEntityInstance instanceof Model && $targetEntityInstance instanceof Model, |
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'Both input entities must be Eloquent models' |
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); |
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// in case the fake 'PrimaryKey' attribute got set inbound for a polymorphic-affected model, flatten it now |
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unset($targetEntityInstance->PrimaryKey); |
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if ($relation instanceof BelongsTo) { |
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$relation->dissociate(); |
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} elseif ($relation instanceof BelongsToMany) { |
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$relation->detach($targetEntityInstance); |
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} elseif ($relation instanceof HasOneOrMany) { |
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// dig up inverse property name, so we can pass it to unhookSingleModel with source and target elements |
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// swapped |
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$otherPropName = $this->getMetadataProvider() |
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->resolveReverseProperty($sourceEntityInstance, $navPropName); |
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if (null === $otherPropName) { |
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$srcClass = get_class($sourceEntityInstance); |
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$msg = 'Bad navigation property, ' . $navPropName . ', on source model ' . $srcClass; |
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throw new \InvalidArgumentException($msg); |
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} |
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$this->unhookSingleModel( |
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$targetResourceSet, |
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$targetEntityInstance, |
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$sourceResourceSet, |
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$sourceEntityInstance, |
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$otherPropName |
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); |
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} |
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return true; |
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} |
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/** |
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* @param $sourceEntityInstance |
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* @param $targetEntityInstance |
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* @param $navPropName |
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* @throws \InvalidArgumentException |
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* @return Relation |
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*/ |
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protected function isModelHookInputsOk($sourceEntityInstance, $targetEntityInstance, $navPropName) |
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{ |
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if (!$sourceEntityInstance instanceof Model || !$targetEntityInstance instanceof Model) { |
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$msg = 'Both source and target must be Eloquent models'; |
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throw new \InvalidArgumentException($msg); |
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} |
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$relation = $sourceEntityInstance->$navPropName(); |
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if (!$relation instanceof Relation) { |
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$msg = 'Navigation property must be an Eloquent relation'; |
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throw new \InvalidArgumentException($msg); |
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} |
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$targType = $relation->getRelated(); |
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if (!$targetEntityInstance instanceof $targType) { |
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$msg = 'Target instance must be of type compatible with relation declared in method ' . $navPropName; |
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throw new \InvalidArgumentException($msg); |
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} |
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return $relation; |
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} |
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/** |
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* Dig out local copy of POData-Laravel metadata provider. |
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* |
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* @return MetadataProvider |
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*/ |
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public function getMetadataProvider() |
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{ |
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return $this->metadataProvider; |
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} |
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} |
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Algo-Web /
POData-Laravel
