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<?php |
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declare(strict_types=1); |
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/** |
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* Spiral Framework. |
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* |
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* @license MIT |
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* @author Anton Titov (Wolfy-J) |
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*/ |
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namespace Cycle\Schema\Generator; |
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use Cycle\ORM\Relation; |
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use Cycle\Schema\Definition\Entity; |
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use Cycle\Schema\Exception\BuilderException; |
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use Cycle\Schema\GeneratorInterface; |
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use Cycle\Schema\Registry; |
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use Cycle\Schema\Relation\OptionSchema; |
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use Cycle\Schema\Relation\RelationSchema; |
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use Cycle\Schema\RelationInterface; |
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/** |
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* Generate relations based on their schematic definitions. |
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*/ |
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final class GenerateRelations implements GeneratorInterface |
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{ |
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// aliases between option names and their internal IDs |
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public const OPTION_MAP = [ |
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'cascade' => Relation::CASCADE, |
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'nullable' => Relation::NULLABLE, |
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'innerKey' => Relation::INNER_KEY, |
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'outerKey' => Relation::OUTER_KEY, |
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'morphKey' => Relation::MORPH_KEY, |
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'thought' => Relation::THOUGHT_ENTITY, |
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'thoughInnerKey' => Relation::THOUGHT_INNER_KEY, |
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'thoughOuterKey' => Relation::THOUGHT_OUTER_KEY, |
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'thoughtWhere' => Relation::THOUGHT_WHERE, |
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'thoughConstrain' => Relation::THOUGHT_CONSTRAIN, |
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'constrain' => Relation::CONSTRAIN, |
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'where' => Relation::WHERE, |
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'fkCreate' => RelationSchema::FK_CREATE, |
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'fkAction' => RelationSchema::FK_ACTION, |
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'indexCreate' => RelationSchema::INDEX_CREATE, |
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'bindInterface' => RelationSchema::BIND_INTERFACE |
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]; |
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/** @var OptionSchema */ |
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private $options; |
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/** @var RelationInterface[] */ |
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private $relations = []; |
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/** |
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* @param array $relations |
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* @param OptionSchema|null $optionSchema |
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*/ |
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public function __construct(array $relations, OptionSchema $optionSchema = null) |
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{ |
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$this->options = $optionSchema ?? new OptionSchema(self::OPTION_MAP); |
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foreach ($relations as $id => $relation) { |
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if (!$relation instanceof RelationInterface) { |
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throw new \InvalidArgumentException(sprintf( |
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"Invalid relation type, RelationInterface excepted, `%s` given", |
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is_object($relation) ? get_class($relation) : gettype($relation) |
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)); |
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} |
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$this->relations[$id] = $relation; |
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} |
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} |
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/** |
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* @param Registry $registry |
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* @return Registry |
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*/ |
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public function run(Registry $registry): Registry |
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{ |
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foreach ($registry as $entity) { |
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$this->compute($registry, $entity); |
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} |
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return $registry; |
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} |
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/** |
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* @param Registry $registry |
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* @param Entity $entity |
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*/ |
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protected function compute(Registry $registry, Entity $entity) |
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{ |
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foreach ($entity->getRelations() as $name => $r) { |
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if (!isset($this->relations[$r->getType()])) { |
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throw new BuilderException("Undefined relation type `{$r->getType()}`"); |
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} |
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$schema = $this->relations[$r->getType()]->withContext( |
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$name, |
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$entity->getRole(), |
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$r->getTarget(), |
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$this->options->withOptions($r->getOptions()) |
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); |
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// compute relation values (field names, related entities and etc) |
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$schema->compute($registry); |
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$registry->registerRelation($entity, $name, $schema); |
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} |
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} |
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} |
cycle /
schema-builder
