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Server: Ability to use thunk for root value and context

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This commit is contained in:
Vladimir Razuvaev 2017-07-27 16:28:56 +07:00
parent e7838d2253
commit 6a20483b87
2 changed files with 52 additions and 12 deletions
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52
src/Server/Helper.php
View File

@ -95,14 +95,16 @@ class Helper
if (!$doc instanceof DocumentNode) {
$doc = Parser::parse($doc);
}
if ($op->isReadOnly() && AST::getOperation($doc, $op->operation) !== 'query') {
$operationType = AST::getOperation($doc, $op->operation);
if ($op->isReadOnly() && $operationType !== 'query') {
throw new Error("GET supports only query operation");
}
$validationErrors = DocumentValidator::validate(
$config->getSchema(),
$doc,
$this->resolveValidationRules($config, $op)
$this->resolveValidationRules($config, $op, $doc, $operationType)
);
if (!empty($validationErrors)) {
@ -114,8 +116,8 @@ class Helper
$promiseAdapter,
$config->getSchema(),
$doc,
$config->getRootValue(),
$config->getContext(),
$this->resolveRootValue($config, $op, $doc, $operationType),
$this->resolveContextValue($config, $op, $doc, $operationType),
$op->variables,
$op->operation,
$config->getDefaultFieldResolver()
@ -176,15 +178,17 @@ class Helper
/**
* @param ServerConfig $config
* @param OperationParams $params
* @param DocumentNode $doc
* @param $operationType
* @return array
*/
private function resolveValidationRules(ServerConfig $config, OperationParams $params)
private function resolveValidationRules(ServerConfig $config, OperationParams $params, DocumentNode $doc, $operationType)
{
// Allow customizing validation rules per operation:
$validationRules = $config->getValidationRules();
if (is_callable($validationRules)) {
$validationRules = $validationRules($params);
$validationRules = $validationRules($params, $doc, $operationType);
if (!is_array($validationRules)) {
throw new InvariantViolation(sprintf(
@ -197,6 +201,42 @@ class Helper
return $validationRules;
}
/**
* @param ServerConfig $config
* @param OperationParams $params
* @param DocumentNode $doc
* @param $operationType
* @return mixed
*/
private function resolveRootValue(ServerConfig $config, OperationParams $params, DocumentNode $doc, $operationType)
{
$root = $config->getRootValue();
if (is_callable($root)) {
$root = $root($params, $doc, $operationType);
}
return $root;
}
/**
* @param ServerConfig $config
* @param OperationParams $params
* @param DocumentNode $doc
* @param $operationType
* @return mixed
*/
private function resolveContextValue(ServerConfig $config, OperationParams $params, DocumentNode $doc, $operationType)
{
$context = $config->getContext();
if (is_callable($context)) {
$context = $context($params, $doc, $operationType);
}
return $context;
}
/**
* Parses HTTP request and returns GraphQL OperationParams contained in this request.
* For batched requests it returns an array of OperationParams.

12
src/Server/ServerConfig.php
View File

@ -23,12 +23,12 @@ class ServerConfig
private $schema;
/**
* @var mixed
* @var mixed|callable
*/
private $context;
/**
* @var mixed
* @var mixed|callable
*/
private $rootValue;
@ -63,7 +63,7 @@ class ServerConfig
private $persistentQueryLoader;
/**
* @return mixed
* @return mixed|callable
*/
public function getContext()
{
@ -71,7 +71,7 @@ class ServerConfig
}
/**
* @param mixed $context
* @param mixed|callable $context
* @return $this
*/
public function setContext($context)
@ -81,7 +81,7 @@ class ServerConfig
}
/**
* @param mixed $rootValue
* @param mixed|callable $rootValue
* @return $this
*/
public function setRootValue($rootValue)
@ -91,7 +91,7 @@ class ServerConfig
}
/**
* @return mixed
* @return mixed|callable
*/
public function getRootValue()
{