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<?php |
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/* |
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* This file is part of the OverblogGraphQLBundle package. |
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* |
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* (c) Overblog <http://github.com/overblog/> |
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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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namespace Overblog\GraphQLBundle\Resolver\Config; |
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use Overblog\GraphQLBundle\Definition\Builder\MappingInterface; |
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use Overblog\GraphQLBundle\Error\UserError; |
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use Overblog\GraphQLBundle\Relay\Connection\Output\Connection; |
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use Overblog\GraphQLBundle\Relay\Connection\Output\Edge; |
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use Overblog\GraphQLBundle\Resolver\ResolverInterface; |
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class FieldsConfigSolution extends AbstractConfigSolution implements UniqueConfigSolutionInterface |
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{ |
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/** |
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* @var TypeConfigSolution |
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*/ |
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private $typeConfigSolution; |
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/** |
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* @var ResolveCallbackConfigSolution |
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*/ |
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private $resolveCallbackConfigSolution; |
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public function __construct( |
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TypeConfigSolution $typeConfigSolution, |
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ResolveCallbackConfigSolution $resolveCallbackConfigSolution |
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) { |
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$this->typeConfigSolution = $typeConfigSolution; |
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$this->resolveCallbackConfigSolution = $resolveCallbackConfigSolution; |
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} |
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public function solve($values, $config = null) |
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{ |
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// builder must be last |
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$fieldsTreated = ['type', 'args', 'argsBuilder', 'deprecationReason', 'builder']; |
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foreach ($values as $field => &$options) { |
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foreach ($fieldsTreated as $fieldTreated) { |
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if (isset($options[$fieldTreated])) { |
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$method = 'solve'.ucfirst($fieldTreated); |
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$options = $this->$method($options, $field); |
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} |
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} |
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$options = $this->resolveResolveAndAccessIfNeeded($options); |
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} |
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return $values; |
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} |
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private function solveBuilder($options, $field) |
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{ |
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$builderConfig = isset($options['builderConfig']) ? $options['builderConfig'] : []; |
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$access = isset($options['access']) ? $options['access'] : null; |
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$options = $this->builderToMappingDefinition($options['builder'], $builderConfig, $this->fieldResolver, $field); |
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$options['access'] = $access; |
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$options = $this->resolveResolveAndAccessIfNeeded($options); |
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unset($options['builderConfig'], $options['builder']); |
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return $options; |
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} |
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private function solveType($options) |
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{ |
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$options['type'] = $this->typeConfigSolution->solveTypeCallback($options['type']); |
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return $options; |
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} |
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private function solveArgs($options) |
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{ |
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foreach ($options['args'] as &$argsOptions) { |
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$argsOptions['type'] = $this->typeConfigSolution->solveTypeCallback($argsOptions['type']); |
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if (isset($argsOptions['defaultValue'])) { |
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$argsOptions['defaultValue'] = $this->solveUsingExpressionLanguageIfNeeded($argsOptions['defaultValue']); |
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} |
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} |
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return $options; |
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} |
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private function solveArgsBuilder($options) |
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{ |
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$argsBuilderConfig = isset($options['argsBuilder']['config']) ? $options['argsBuilder']['config'] : []; |
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$options['args'] = array_merge( |
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$this->builderToMappingDefinition($options['argsBuilder']['builder'], $argsBuilderConfig, $this->argResolver), |
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isset($options['args']) ? $options['args'] : [] |
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); |
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unset($options['argsBuilder']); |
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return $options; |
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} |
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private function solveDeprecationReason($options) |
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{ |
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$options['deprecationReason'] = $this->solveUsingExpressionLanguageIfNeeded($options['deprecationReason']); |
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return $options; |
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} |
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private function builderToMappingDefinition($rawBuilder, array $rawBuilderConfig, ResolverInterface $builderResolver, $name = null) |
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{ |
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/** @var MappingInterface $builder */ |
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$builder = $builderResolver->resolve($rawBuilder); |
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$builderConfig = []; |
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if (!empty($rawBuilderConfig)) { |
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$builderConfig = $rawBuilderConfig; |
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$builderConfig = $this->configResolver->resolve($builderConfig); |
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} |
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if (null !== $name) { |
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$builderConfig['name'] = $name; |
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} |
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return $builder->toMappingDefinition($builderConfig); |
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} |
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private function resolveResolveAndAccessIfNeeded(array $options) |
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{ |
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$treatedOptions = $options; |
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if (isset($treatedOptions['resolve'])) { |
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$treatedOptions['resolve'] = $this->resolveCallbackConfigSolution->solve($treatedOptions['resolve']); |
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} |
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if (isset($treatedOptions['access'])) { |
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$resolveCallback = $this->configResolver->getDefaultResolveFn(); |
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if (isset($treatedOptions['resolve'])) { |
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$resolveCallback = $treatedOptions['resolve']; |
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} |
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$treatedOptions['resolve'] = $this->resolveAccessAndWrapResolveCallback($treatedOptions['access'], $resolveCallback); |
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} |
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unset($treatedOptions['access']); |
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return $treatedOptions; |
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} |
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private function resolveAccessAndWrapResolveCallback($expression, callable $resolveCallback = null) |
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{ |
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return function () use ($expression, $resolveCallback) { |
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$args = func_get_args(); |
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$result = null !== $resolveCallback ? call_user_func_array($resolveCallback, $args) : null; |
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$values = call_user_func_array([$this, 'solveResolveCallbackArgs'], $args); |
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return $this->filterResultUsingAccess($result, $expression, $values); |
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}; |
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} |
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private function filterResultUsingAccess($result, $expression, $values) |
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{ |
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$checkAccess = $this->checkAccessCallback($expression, $values); |
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switch (true) { |
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case is_array($result) || $result instanceof \ArrayAccess: |
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$result = array_filter( |
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array_map( |
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function ($object) use ($checkAccess) { |
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return $checkAccess($object) ? $object : null; |
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}, |
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$result |
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) |
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); |
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break; |
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case $result instanceof Connection: |
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$result->edges = array_map( |
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function (Edge $edge) use ($checkAccess) { |
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$edge->node = $checkAccess($edge->node) ? $edge->node : null; |
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return $edge; |
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}, |
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$result->edges |
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); |
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break; |
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default: |
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$checkAccess($result, true); |
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break; |
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} |
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return $result; |
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} |
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private function checkAccessCallback($expression, $values) |
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{ |
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return function ($object, $throwException = false) use ($expression, $values) { |
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try { |
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$access = $this->solveUsingExpressionLanguageIfNeeded( |
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$expression, |
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array_merge($values, ['object' => $object]) |
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); |
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} catch (\Exception $e) { |
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$access = false; |
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} |
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if ($throwException && !$access) { |
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throw new UserError('Access denied to this field.'); |
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} |
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return $access; |
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}; |
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} |
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} |
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overblog /
GraphQLBundle
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.