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<?php |
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declare(strict_types=1); |
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namespace Cycle\Schema\Renderer\MermaidRenderer; |
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use Cycle\ORM\Relation; |
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use Cycle\ORM\SchemaInterface; |
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use Cycle\Schema\Renderer\MermaidRenderer\Entity\EntityArrow; |
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use Cycle\Schema\Renderer\MermaidRenderer\Entity\EntityTable; |
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use Cycle\Schema\Renderer\MermaidRenderer\Exception\RelationNotFoundException; |
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use Cycle\Schema\Renderer\MermaidRenderer\Schema\ClassDiagram; |
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use Cycle\Schema\Renderer\SchemaRenderer; |
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final class MermaidRenderer implements SchemaRenderer |
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{ |
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private const METHOD_FORMAT = '%s: %s'; |
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/** |
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* @throws RelationNotFoundException |
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*/ |
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public function render(array $schema): string |
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{ |
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$class = new ClassDiagram(); |
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$relationMapper = new RelationMapper(); |
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foreach ($schema as $key => $value) { |
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if (!isset($value[SchemaInterface::COLUMNS])) { |
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continue; |
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} |
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$role = $value[SchemaInterface::ROLE] ?? $key; |
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if (class_exists($role)) { |
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$role = $this->getClassShortName($key); |
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} |
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if (strpos($role, ':') !== false) { |
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$role = $key; |
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} |
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$table = new EntityTable($role); |
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$arrow = new EntityArrow(); |
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foreach ($value[SchemaInterface::COLUMNS] as $column) { |
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$table->addRow($value[SchemaInterface::TYPECAST][$column] ?? 'string', $column); |
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} |
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foreach ($value[SchemaInterface::RELATIONS] ?? [] as $relationKey => $relation) { |
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if (!isset($relation[Relation::TARGET], $relation[Relation::SCHEMA])) { |
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continue; |
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} |
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$target = $relation[Relation::TARGET]; |
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if (class_exists($target)) { |
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$target = $this->getClassShortName($target); |
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} |
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$isNullable = $relation[Relation::SCHEMA][Relation::NULLABLE] ?? false; |
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$mappedRelation = $relationMapper->mapWithNode($relation[Relation::TYPE], $isNullable); |
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switch ($relation[Relation::TYPE]) { |
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case Relation::MANY_TO_MANY: |
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$throughEntity = $relation[Relation::SCHEMA][Relation::THROUGH_ENTITY] ?? null; |
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if ($throughEntity) { |
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if (class_exists($throughEntity)) { |
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$throughEntity = $this->getClassShortName($throughEntity); |
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} |
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$table->addMethod($relationKey, sprintf(self::METHOD_FORMAT, $mappedRelation[0], $target)); |
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// tag --* post : posts |
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$arrow->addArrow($role, $target, $relationKey, $mappedRelation[1]); |
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// postTag ..> tag : tag.posts |
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$arrow->addArrow($throughEntity, $role, "$role.$relationKey", '..>'); |
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// postTag ..> post : tag.posts |
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$arrow->addArrow($throughEntity, $target, "$role.$relationKey", '..>'); |
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} |
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break; |
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case Relation::EMBEDDED: |
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// explode string like user:credentials |
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$methodTarget = explode(':', $target); |
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$table->addMethod( |
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$methodTarget[1] ?? $target, |
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sprintf(self::METHOD_FORMAT, $mappedRelation[0], $relationKey) |
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); |
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$arrowTarget = str_replace(':', ':', $target); |
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$arrow->addArrow($role, $relationKey, $arrowTarget, $mappedRelation[1]); |
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break; |
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default: |
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$table->addMethod($relationKey, sprintf(self::METHOD_FORMAT, $mappedRelation[0], $target)); |
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$arrow->addArrow($role, $target, $relationKey, $mappedRelation[1]); |
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} |
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} |
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foreach ($value[SchemaInterface::CHILDREN] ?? [] as $children) { |
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$arrow->addArrow($role, $children, 'STI', '--|>'); |
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} |
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if (isset($value[SchemaInterface::PARENT])) { |
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$arrow->addArrow($value[SchemaInterface::PARENT], $role, 'JTI', '--|>'); |
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} |
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$class->addEntity($table); |
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$class->addEntity($arrow); |
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} |
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return (string)$class; |
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} |
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private function getClassShortName(string $namespace): string |
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{ |
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$ref = new \ReflectionClass($namespace); |
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return lcfirst($ref->getShortName()); |
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} |
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} |
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cycle /
schema-renderer
