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<?php |
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/** |
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* Cycle ORM Schema Builder. |
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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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declare(strict_types=1); |
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namespace Cycle\Schema\Relation\Traits; |
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use Cycle\Schema\Definition\Entity; |
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use Cycle\Schema\Definition\Field; |
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use Cycle\Schema\Definition\Map\FieldMap; |
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use Cycle\Schema\Exception\FieldException; |
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use Cycle\Schema\Exception\RelationException; |
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use Cycle\Schema\Relation\OptionSchema; |
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use Cycle\Schema\Table\Column; |
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trait FieldTrait |
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{ |
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/** |
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* @param Entity $entity |
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* @param int $field |
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* @return Field |
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*/ |
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protected function getField(Entity $entity, int $field): Field |
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{ |
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try { |
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return $entity->getFields()->get($this->getOptions()->get($field)); |
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} catch (FieldException $e) { |
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throw new RelationException( |
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sprintf( |
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'Field `%s`.`%s` does not exists, referenced by `%s`', |
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$entity->getRole(), |
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$this->getOptions()->get($field), |
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$this->source |
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), |
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$e->getCode(), |
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$e |
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); |
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} |
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} |
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/** |
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* @param Entity $entity |
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* @param int $field |
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* @return FieldMap |
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*/ |
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protected function getFields(Entity $entity, int $field): FieldMap |
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{ |
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$fields = new FieldMap(); |
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$keys = (array)$this->getOptions()->get($field); |
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foreach ($keys as $key) { |
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try { |
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$field = $entity->getFields()->get($key); |
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$fields->set($field->getColumn(), $field); |
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} catch (FieldException $e) { |
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throw new RelationException( |
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sprintf( |
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'Field `%s`.`%s` does not exists, referenced by `%s`', |
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$entity->getRole(), |
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$key, |
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$this->source |
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), |
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$e->getCode(), |
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$e |
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); |
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} |
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} |
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return $fields; |
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} |
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/** |
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* @param Entity $target |
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* @param string $name |
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* @param Field $outer |
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* @param bool $nullable |
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*/ |
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protected function ensureField(Entity $target, string $name, Field $outer, bool $nullable = false): void |
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{ |
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// ensure that field will be indexed in memory for fast references |
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$outer->setReferenced(true); |
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if ($target->getFields()->has($name)) { |
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// field already exists and defined by the user |
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return; |
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} |
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$field = new Field(); |
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$field->setColumn($name); |
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$field->setTypecast($outer->getTypecast()); |
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switch ($outer->getType()) { |
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case 'primary': |
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$field->setType('int'); |
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break; |
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case 'bigPrimary': |
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$field->setType('bigint'); |
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break; |
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default: |
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$field->setType($outer->getType()); |
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} |
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if ($nullable) { |
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$field->getOptions()->set(Column::OPT_NULLABLE, true); |
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} |
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$target->getFields()->set($name, $field); |
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} |
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/** |
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* @return OptionSchema |
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*/ |
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abstract protected function getOptions(): OptionSchema; |
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} |
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cycle /
schema-builder
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