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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\Schema\ClassDiagram; |
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use Cycle\Schema\Renderer\SchemaRenderer; |
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use ReflectionException; |
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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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public function render(array $schema): string |
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{ |
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$class = new ClassDiagram(); |
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$relationMapper = new RelationMapper(); |
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$aliases = []; |
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foreach ($schema as $key => $value) { |
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$role = $key; |
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if (\class_exists($role)) { |
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$role = $value[SchemaInterface::ROLE]; |
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} |
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$aliases[$key] = $role; |
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} |
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$aliasCollection = new AliasCollection($aliases); |
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foreach ($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 = $aliasCollection->getAlias($key); |
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$table = new EntityTable($role); |
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$arrow = new EntityArrow(); |
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if (\strpos($key, ':') !== false) { |
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$table->addAnnotation($key); |
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} |
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foreach ($value[SchemaInterface::COLUMNS] as $column) { |
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$typecast = $this->formatTypecast($value[SchemaInterface::TYPECAST][$column] ?? 'string'); |
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$table->addRow($typecast, $column); |
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} |
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foreach ($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 = $aliasCollection->getAlias($relation[Relation::TARGET]); |
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if (\class_exists($target)) { |
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$target = \lcfirst($this->getClassShortName($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 = \lcfirst($this->getClassShortName($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.$relationKey", '..>'); |
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} |
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break; |
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case Relation::EMBEDDED: |
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$methodTarget = explode('_', $target); |
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$prop = isset($methodTarget[2]) ? $methodTarget[2] . '_prop' : $target; |
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$table->addMethod( |
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$prop, |
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\sprintf(self::METHOD_FORMAT, $mappedRelation[0], $relation[Relation::TARGET]) |
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); |
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$arrow->addArrow($role, $target, $prop, $mappedRelation[1]); |
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break; |
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default: |
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$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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/** |
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* @param class-string|object $class |
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* |
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* @throws ReflectionException |
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* |
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* @return string |
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*/ |
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private function getClassShortName($class): string |
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{ |
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$className = \is_object($class) ? \get_class($class) : $class; |
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return \substr($className, \strrpos($className, '\\') + 1); |
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} |
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/** |
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* @psalm-suppress MissingParamType |
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*/ |
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private function formatTypecast($typecast): string |
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{ |
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if (\is_array($typecast)) { |
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$typecast[0] = $this->getClassShortName($typecast[0]); |
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return \sprintf("[%s, '%s']", "$typecast[0]::class", $typecast[1]); |
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} |
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if ($typecast instanceof \Closure) { |
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return 'Closure'; |
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} |
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if ($typecast === 'datetime') { |
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return $typecast; |
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} |
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if (\class_exists($typecast)) { |
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return $this->getClassShortName($typecast) . '::class'; |
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} |
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return \htmlentities($typecast); |
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} |
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} |
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cycle /
schema-renderer
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