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<?php |
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declare(strict_types=1); |
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namespace Cycle\Schema\Relation; |
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use Cycle\Database\Schema\AbstractTable; |
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use Cycle\ORM\Relation; |
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use Cycle\ORM\SchemaInterface; |
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use Cycle\Schema\Definition\Entity; |
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use Cycle\Schema\Exception\RegistryException; |
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use Cycle\Schema\Registry; |
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use Cycle\Schema\RelationInterface; |
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/** |
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* Defines relation options, renders needed columns and other options. |
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*/ |
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abstract class RelationSchema implements RelationInterface |
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{ |
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// relation rendering options |
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public const INDEX_CREATE = 1001; |
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public const FK_CREATE = 1002; |
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public const FK_ACTION = 1003; |
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public const FK_ON_DELETE = 1004; |
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public const INVERSE = 1005; |
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public const MORPH_KEY_LENGTH = 1009; |
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public const EMBEDDED_PREFIX = 1010; |
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// options to be excluded from generated schema (helpers) |
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protected const EXCLUDE = [ |
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self::FK_CREATE, |
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self::FK_ACTION, |
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self::FK_ON_DELETE, |
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self::INDEX_CREATE, |
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self::EMBEDDED_PREFIX, |
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]; |
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// exported relation type |
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protected const RELATION_TYPE = null; |
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// name of all required relation options |
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protected const RELATION_SCHEMA = []; |
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/** |
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* Relation container name in the entity |
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*/ |
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protected string $name; |
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/** |
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* @var non-empty-string |
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*/ |
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protected string $source; |
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/** |
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* @var non-empty-string |
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*/ |
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protected string $target; |
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protected OptionSchema $options; |
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/** |
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720 |
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* @param non-empty-string $role |
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*/ |
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720 |
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public function withRole(string $role): static |
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{ |
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$relation = clone $this; |
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$relation->source = $role; |
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return $relation; |
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} |
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1168 |
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public function modifySchema(array &$schema): void |
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1168 |
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{ |
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$schema[SchemaInterface::RELATIONS][$this->name] = $this->packSchema(); |
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} |
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1168 |
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/** |
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1168 |
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* @param non-empty-string $source |
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1168 |
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* @param non-empty-string $target |
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1168 |
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*/ |
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1168 |
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public function withContext(string $name, string $source, string $target, OptionSchema $options): RelationInterface |
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{ |
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$relation = clone $this; |
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1168 |
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$relation->source = $source; |
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$relation->target = $target; |
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$relation->name = $name; |
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1048 |
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$relation->options = $options->withTemplate(static::RELATION_SCHEMA)->withContext([ |
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1048 |
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'relation' => $name, |
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1048 |
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'source:role' => $source, |
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'target:role' => $target, |
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]); |
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1000 |
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1000 |
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return $relation; |
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1000 |
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} |
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public function compute(Registry $registry): void |
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960 |
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{ |
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$this->options = $this->options->withContext([ |
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'source:primaryKey' => $this->getPrimaryColumns($registry->getEntity($this->source)), |
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]); |
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720 |
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if ($registry->hasEntity($this->target)) { |
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$this->options = $this->options->withContext([ |
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'target:primaryKey' => $this->getPrimaryColumns($registry->getEntity($this->target)), |
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]); |
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720 |
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} |
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} |
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48 |
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protected function getLoadMethod(): ?int |
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688 |
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{ |
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if (!$this->options->has(Relation::LOAD)) { |
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return null; |
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} |
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952 |
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switch ($this->options->get(Relation::LOAD)) { |
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952 |
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case 'eager': |
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case Relation::LOAD_EAGER: |
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return Relation::LOAD_EAGER; |
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default: |
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return Relation::LOAD_PROMISE; |
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} |
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1160 |
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} |
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1160 |
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protected function getOptions(): OptionSchema |
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{ |
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return $this->options; |
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} |
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/** |
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* @throws RegistryException |
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*/ |
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protected function getPrimaryColumns(Entity $entity): array |
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{ |
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$columns = $entity->getPrimaryFields()->getNames(); |
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if ($columns === []) { |
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throw new RegistryException("Entity `{$entity->getRole()}` must have defined primary key"); |
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} |
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return $columns; |
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} |
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/** |
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* @param array<string> $columns |
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* @param bool $strictOrder True means that fields order in the {@see $columns} argument is matter |
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* @param bool $withSorting True means that fields will be compared taking into account the column values sorting |
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* @param bool|null $unique Unique index or not. Null means both |
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*/ |
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protected function hasIndex( |
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AbstractTable $table, |
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array $columns, |
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bool $strictOrder = true, |
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bool $withSorting = true, |
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?bool $unique = null, |
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): bool { |
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if ($strictOrder && $withSorting && $unique === null) { |
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return $table->hasIndex($columns); |
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} |
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$indexes = $table->getIndexes(); |
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foreach ($indexes as $index) { |
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if ($unique !== null && $index->isUnique() !== $unique) { |
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continue; |
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} |
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$tableColumns = $withSorting ? $index->getColumnsWithSort() : $index->getColumns(); |
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if (count($columns) !== count($tableColumns)) { |
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continue; |
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} |
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if ($strictOrder ? $columns === $tableColumns : array_diff($columns, $tableColumns) === []) { |
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return true; |
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} |
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} |
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return false; |
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} |
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720 |
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private function packSchema(): array |
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{ |
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$schema = []; |
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720 |
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foreach (static::RELATION_SCHEMA as $option => $template) { |
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if (in_array($option, static::EXCLUDE, true)) { |
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continue; |
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} |
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$schema[$option] = $this->options->get($option); |
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} |
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// load option is not required in schema |
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unset($schema[Relation::LOAD]); |
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return [ |
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Relation::TYPE => static::RELATION_TYPE, |
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Relation::TARGET => $this->target, |
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Relation::LOAD => $this->getLoadMethod(), |
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Relation::SCHEMA => $schema, |
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]; |
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} |
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} |
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