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<?php
declare(strict_types=1);
namespace GraphQL;
use GraphQL\Error\Error;
use GraphQL\Executor\ExecutionResult;
use GraphQL\Executor\Executor;
use GraphQL\Executor\Promise\Adapter\SyncPromiseAdapter;
use GraphQL\Executor\Promise\Promise;
use GraphQL\Executor\Promise\PromiseAdapter;
use GraphQL\Executor\ReferenceExecutor;
use GraphQL\Experimental\Executor\CoroutineExecutor;
use GraphQL\Language\AST\DocumentNode;
use GraphQL\Language\Parser;
use GraphQL\Language\Source;
use GraphQL\Type\Definition\Directive;
use GraphQL\Type\Definition\ScalarType;
use GraphQL\Type\Definition\Type;
use GraphQL\Type\Schema as SchemaType;
use GraphQL\Validator\DocumentValidator;
use GraphQL\Validator\Rules\QueryComplexity;
use GraphQL\Validator\Rules\ValidationRule;
use function array_values;
use function count;
use function trigger_error;
use const E_USER_DEPRECATED;
/**
* This is the primary facade for fulfilling GraphQL operations.
* See [related documentation](executing-queries.md).
*/
class GraphQL
{
/**
* Executes graphql query.
*
* More sophisticated GraphQL servers, such as those which persist queries,
* may wish to separate the validation and execution phases to a static time
* tooling step, and a server runtime step.
*
* Available options:
*
* schema:
* The GraphQL type system to use when validating and executing a query.
* source:
* A GraphQL language formatted string representing the requested operation.
* rootValue:
* The value provided as the first argument to resolver functions on the top
* level type (e.g. the query object type).
* contextValue:
* The context value is provided as an argument to resolver functions after
* field arguments. It is used to pass shared information useful at any point
* during executing this query, for example the currently logged in user and
* connections to databases or other services.
* variableValues:
* A mapping of variable name to runtime value to use for all variables
* defined in the requestString.
* operationName:
* The name of the operation to use if requestString contains multiple
* possible operations. Can be omitted if requestString contains only
* one operation.
* fieldResolver:
* A resolver function to use when one is not provided by the schema.
* If not provided, the default field resolver is used (which looks for a
* value on the source value with the field's name).
* validationRules:
* A set of rules for query validation step. Default value is all available rules.
* Empty array would allow to skip query validation (may be convenient for persisted
* queries which are validated before persisting and assumed valid during execution)
*
* @param string|DocumentNode $source
* @param mixed $rootValue
* @param mixed $contextValue
* @param mixed[]|null $variableValues
* @param ValidationRule[] $validationRules
*
* @api
*/
public static function executeQuery(
SchemaType $schema,
$source,
$rootValue = null,
$contextValue = null,
$variableValues = null,
?string $operationName = null,
?callable $fieldResolver = null,
?array $validationRules = null
) : ExecutionResult {
$promiseAdapter = new SyncPromiseAdapter();
$promise = self::promiseToExecute(
$promiseAdapter,
$schema,
$source,
$rootValue,
$contextValue,
$variableValues,
$operationName,
$fieldResolver,
$validationRules
);
return $promiseAdapter->wait($promise);
}
/**
* Same as executeQuery(), but requires PromiseAdapter and always returns a Promise.
* Useful for Async PHP platforms.
*
* @param string|DocumentNode $source
* @param mixed $rootValue
* @param mixed $context
* @param mixed[]|null $variableValues
* @param ValidationRule[]|null $validationRules
*
* @api
*/
public static function promiseToExecute(
PromiseAdapter $promiseAdapter,
SchemaType $schema,
$source,
$rootValue = null,
$context = null,
$variableValues = null,
?string $operationName = null,
?callable $fieldResolver = null,
?array $validationRules = null
) : Promise {
try {
if ($source instanceof DocumentNode) {
$documentNode = $source;
} else {
$documentNode = Parser::parse(new Source($source ?? '', 'GraphQL'));
}
// FIXME
if (count($validationRules ?? []) === 0) {
/** @var QueryComplexity $queryComplexity */
$queryComplexity = DocumentValidator::getRule(QueryComplexity::class);
$queryComplexity->setRawVariableValues($variableValues);
} else {
foreach ($validationRules as $rule) {
if (! ($rule instanceof QueryComplexity)) {
continue;
}
$rule->setRawVariableValues($variableValues);
}
}
$validationErrors = DocumentValidator::validate($schema, $documentNode, $validationRules);
if (count($validationErrors) > 0) {
return $promiseAdapter->createFulfilled(
new ExecutionResult(null, $validationErrors)
);
}
return Executor::promiseToExecute(
$promiseAdapter,
$schema,
$documentNode,
$rootValue,
$context,
$variableValues,
$operationName,
$fieldResolver
);
} catch (Error $e) {
return $promiseAdapter->createFulfilled(
new ExecutionResult(null, [$e])
);
}
}
/**
* @deprecated Use executeQuery()->toArray() instead
*
* @param string|DocumentNode $source
* @param mixed $rootValue
* @param mixed $contextValue
* @param mixed[]|null $variableValues
*
* @return Promise|mixed[]
*
* @codeCoverageIgnore
*/
public static function execute(
SchemaType $schema,
$source,
$rootValue = null,
$contextValue = null,
$variableValues = null,
?string $operationName = null
) {
trigger_error(
__METHOD__ . ' is deprecated, use GraphQL::executeQuery()->toArray() as a quick replacement',
E_USER_DEPRECATED
);
$promiseAdapter = Executor::getPromiseAdapter();
$result = self::promiseToExecute(
$promiseAdapter,
$schema,
$source,
$rootValue,
$contextValue,
$variableValues,
$operationName
);
if ($promiseAdapter instanceof SyncPromiseAdapter) {
$result = $promiseAdapter->wait($result)->toArray();
} else {
$result = $result->then(static function (ExecutionResult $r) : array {
return $r->toArray();
});
}
return $result;
}
/**
* @deprecated renamed to executeQuery()
*
* @param string|DocumentNode $source
* @param mixed $rootValue
* @param mixed $contextValue
* @param mixed[]|null $variableValues
*
* @return ExecutionResult|Promise
*
* @codeCoverageIgnore
*/
public static function executeAndReturnResult(
SchemaType $schema,
$source,
$rootValue = null,
$contextValue = null,
$variableValues = null,
?string $operationName = null
) {
trigger_error(
__METHOD__ . ' is deprecated, use GraphQL::executeQuery() as a quick replacement',
E_USER_DEPRECATED
);
$promiseAdapter = Executor::getPromiseAdapter();
$result = self::promiseToExecute(
$promiseAdapter,
$schema,
$source,
$rootValue,
$contextValue,
$variableValues,
$operationName
);
if ($promiseAdapter instanceof SyncPromiseAdapter) {
$result = $promiseAdapter->wait($result);
}
return $result;
}
/**
* Returns directives defined in GraphQL spec
*
* @return Directive[]
*
* @api
*/
public static function getStandardDirectives() : array
{
return array_values(Directive::getInternalDirectives());
}
/**
* Returns types defined in GraphQL spec
*
* @return Type[]
*
* @api
*/
public static function getStandardTypes() : array
{
return array_values(Type::getStandardTypes());
}
/**
* Replaces standard types with types from this list (matching by name)
* Standard types not listed here remain untouched.
*
* @param array<string, ScalarType> $types
*
* @api
*/
public static function overrideStandardTypes(array $types)
{
Type::overrideStandardTypes($types);
}
/**
* Returns standard validation rules implementing GraphQL spec
*
* @return ValidationRule[]
*
* @api
*/
public static function getStandardValidationRules() : array
{
return array_values(DocumentValidator::defaultRules());
}
/**
* Set default resolver implementation
*
* @api
*/
public static function setDefaultFieldResolver(callable $fn) : void
{
Executor::setDefaultFieldResolver($fn);
}
public static function setPromiseAdapter(?PromiseAdapter $promiseAdapter = null) : void
{
Executor::setPromiseAdapter($promiseAdapter);
}
/**
* Experimental: Switch to the new executor
*/
public static function useExperimentalExecutor()
{
trigger_error(
'Experimental Executor is deprecated and will be removed in the next major version',
E_USER_DEPRECATED
);
Executor::setImplementationFactory([CoroutineExecutor::class, 'create']);
}
/**
* Experimental: Switch back to the default executor
*/
public static function useReferenceExecutor()
{
Executor::setImplementationFactory([ReferenceExecutor::class, 'create']);
}
/**
* Returns directives defined in GraphQL spec
*
* @deprecated Renamed to getStandardDirectives
*
* @return Directive[]
*
* @codeCoverageIgnore
*/
public static function getInternalDirectives() : array
{
return self::getStandardDirectives();
}
}

vendor/webonyx/graphql-php/src/GraphQL.php line 135