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<?php |
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/** |
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* This file is part of Railt package. |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace Railt\SDL\Builder\Definition; |
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use Railt\Parser\Ast\RuleInterface; |
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use Railt\Reflection\Contracts\Definition; |
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use Railt\Reflection\Definition\SchemaDefinition; |
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use Railt\Reflection\Type; |
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use Railt\SDL\Builder\Utils; |
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use Railt\SDL\Exception\InternalErrorException; |
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use Railt\SDL\Exception\TypeException; |
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/** |
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* Class SchemaBuilder |
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*/ |
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class SchemaBuilder extends TypeDefinitionBuilder |
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{ |
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/** |
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* @return Definition |
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*/ |
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public function build(): Definition |
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{ |
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/** @var SchemaDefinition $schema */ |
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$schema = $this->bind(new SchemaDefinition($this->document, $this->findName())); |
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foreach ($this->ast as $child) { |
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$this->async(function () use ($child, $schema): void { |
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$this->buildField($child, $schema); |
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}); |
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} |
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return $schema; |
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} |
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/** |
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* @param RuleInterface $rule |
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* @param SchemaDefinition $definition |
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* @throws \Railt\Io\Exception\ExternalFileException |
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* @throws InternalErrorException |
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*/ |
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private function buildField(RuleInterface $rule, SchemaDefinition $definition): void |
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{ |
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$name = $this->getFieldName($rule); |
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$type = $this->getFieldType($rule, $definition, $name); |
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switch ($name) { |
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case 'query': |
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$definition->withQuery($type); |
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break; |
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case 'mutation': |
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$definition->withMutation($type); |
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break; |
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case 'subscription': |
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$definition->withSubscription($type); |
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break; |
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} |
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} |
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/** |
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* @param RuleInterface $rule |
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* @return string |
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* @throws InternalErrorException |
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*/ |
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private function getFieldName(RuleInterface $rule): string |
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{ |
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$type = Utils::leaf($rule, 'SchemaFieldType'); |
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if ($type === null) { |
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throw new InternalErrorException('Rule SchemaFieldType not found'); |
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} |
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return $type; |
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} |
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/** |
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* @param RuleInterface $rule |
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* @param SchemaDefinition $definition |
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* @param string $field |
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* @return Definition |
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* @throws InternalErrorException |
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* @throws TypeException |
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* @throws \Railt\SDL\Exception\TypeNotFoundException |
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*/ |
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private function getFieldType(RuleInterface $rule, SchemaDefinition $definition, string $field): Definition |
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{ |
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if (($type = Utils::rule($rule, 'Type')) === null) { |
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throw new InternalErrorException('Rule Type not found'); |
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} |
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if (($name = Utils::findName($type)) === null) { |
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$error = \sprintf('Schema %s field type can not be List or NonNull', $field); |
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$exception = new TypeException($error); |
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$exception->throwsIn($this->file, $type->getOffset()); |
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throw $exception; |
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} |
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$result = $this->load($name, $definition, $type->getOffset()); |
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if (! Type::of($result::getType())->is(Type::OBJECT)) { |
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$error = 'Schema %s field type should be an %s, but %s given'; |
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$error = \sprintf($error, $field, Type::OBJECT, $result); |
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$exception = new TypeException($error); |
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$exception->throwsIn($this->file, $type->getOffset()); |
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throw $exception; |
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} |
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return $result; |
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} |
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} |
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railt /
sdl
