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<?php |
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namespace Fnash\GraphQL; |
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trait QueryTrait |
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{ |
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private static $operationNamePlaceholder = '_operationNamePlaceholder_'; |
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/** |
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* @var string |
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*/ |
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public $operationName; |
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/** |
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* @var array |
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*/ |
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public $variables = []; |
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/** |
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* @var bool |
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*/ |
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public $isRootQuery = true; |
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/** |
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* @var array |
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*/ |
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public $type = []; |
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/** |
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* @var array |
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*/ |
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public $args = []; |
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/** |
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* @var array |
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*/ |
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public $fields = []; |
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/** |
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* @var array |
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*/ |
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public $skipIf = []; |
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/** |
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* @var array |
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*/ |
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public $includeIf = []; |
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/** |
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* @var array |
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*/ |
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public $fragments = []; |
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/** |
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* @param null $type |
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* @param array $args |
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* @param array $fields |
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* |
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* @return self |
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*/ |
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public static function create($type = null, array $args = [], array $fields = []) |
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{ |
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return new self($type, $args, $fields); |
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} |
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/** |
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* @param string $operationName |
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* |
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* @return self |
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*/ |
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public function operationName(string $operationName) |
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{ |
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$this->operationName = $operationName; |
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return $this; |
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} |
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/** |
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* @param $operationName |
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* @param $variables |
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* |
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* @return string |
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*/ |
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private static function printQuery($operationName, $variables): string |
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{ |
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if (null === $operationName) { |
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if (\count($variables)) { |
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$operationName = static::$operationNamePlaceholder; |
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} else { |
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return ''; |
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} |
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} |
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return sprintf('%s %s %s', static::KEYWORD, $operationName, static::printVariables($variables)); |
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} |
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/** |
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* @param array $variables |
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* |
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* @return self |
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*/ |
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public function variables(array $variables = []) |
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{ |
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foreach ($variables as $variableName => $variableType) { |
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$this->variables[(string) $variableName] = (string) $variableType; |
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} |
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return $this; |
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} |
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/** |
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* @param array $value |
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* |
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* @return string |
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*/ |
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private static function printVariables(array $value): string |
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{ |
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if (!\count($value)) { |
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return ''; |
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} |
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$variables = []; |
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foreach ($value as $variableName => $variableType) { |
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$variables[] = sprintf('%s: %s', $variableName, $variableType); |
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} |
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return sprintf('(%s)', implode(', ', $variables)); |
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} |
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/** |
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* @param array $args |
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* |
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* @return self |
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*/ |
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public function arguments(array $args = []) |
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{ |
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foreach ($args as $name => $value) { |
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$this->args[$name] = $value; |
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} |
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ksort($this->args); |
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return $this; |
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} |
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/** |
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* @param array $value |
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* |
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* @return string |
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*/ |
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private static function printArgs(array $value): string |
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{ |
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if (!count($value)) { |
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return ''; |
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} |
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$args = []; |
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foreach ($value as $argName => $argValue) { |
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if (\is_string($argValue) && '$' !== $argValue[0]) { |
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$argValue = sprintf('"%s"', $argValue); |
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} |
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if (\is_bool($argValue) || \is_float($argValue)) { |
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$argValue = var_export($argValue, true); |
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} |
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$args[] = sprintf('%s: %s', $argName, $argValue); |
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} |
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return sprintf('(%s)', implode(', ', $args)); |
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} |
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/** |
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* @param array $fields |
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* |
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* @return self |
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*/ |
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public function fields(array $fields = []) |
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{ |
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foreach ($fields as $fieldAlias => $field) { |
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if (\is_string($field)) { |
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if (\is_string($fieldAlias)) { |
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$this->fields[$fieldAlias] = $field; |
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} else { |
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$this->fields[$field] = $field; |
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} |
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} |
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if ($field instanceof self) { |
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$field->isRootQuery = false; |
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$this->fields[$fieldAlias] = $field; |
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} |
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} |
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ksort($this->fields); |
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return $this; |
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} |
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/** |
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* @param array $fields |
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* |
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* @return self |
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*/ |
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public function removeFields(array $fields = []): Query |
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{ |
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foreach ($fields as $field) { |
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unset($this->fields[$field]); |
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} |
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return $this; |
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} |
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/** |
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* @param array $value |
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* @param array $skipIf |
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* @param array $includeIf |
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* |
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* @return string |
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*/ |
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private static function printFields(array $value, array $skipIf = [], array $includeIf = []): string |
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{ |
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$fields = []; |
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foreach ($value as $fieldAlias => $field) { |
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$directive = ''; |
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if (\is_string($field)) { |
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if ($fieldAlias !== $field) { |
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if (array_key_exists($fieldAlias, $skipIf)) { |
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$directive = sprintf('@skip(if: %s)', $skipIf[$fieldAlias]); |
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} elseif (array_key_exists($fieldAlias, $includeIf)) { |
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$directive = sprintf('@include(if: %s)', $includeIf[$fieldAlias]); |
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} |
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$fields[] = sprintf('%s: %s %s', $fieldAlias, $field, $directive); |
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} else { |
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if (array_key_exists($field, $skipIf)) { |
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$directive = sprintf('@skip(if: %s)', $skipIf[$field]); |
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} elseif (array_key_exists($field, $includeIf)) { |
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$directive = sprintf('@include(if: %s)', $includeIf[$field]); |
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} |
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$fields[] = sprintf('%s %s', $field, $directive); |
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} |
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} |
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if ($field instanceof self) { |
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$field->isRootQuery = false; |
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if (array_key_exists($fieldAlias, $skipIf)) { |
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$directive = sprintf('@skip(if: %s)', $skipIf[$fieldAlias]); |
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} elseif (array_key_exists($fieldAlias, $includeIf)) { |
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$directive = sprintf('@include(if: %s)', $includeIf[$fieldAlias]); |
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} |
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if (null !== $field->type) { |
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$fieldAlias = sprintf('%s: %s', $fieldAlias, $field->type); |
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} |
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$fields[] = sprintf('%s %s { %s }', $fieldAlias, $directive, static::printFields($field->fields)); |
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} |
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} |
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return implode(', ', $fields); |
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} |
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/** |
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* @param array $values |
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* |
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* @return self |
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*/ |
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public function skipIf(array $values = []) |
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{ |
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foreach ($values as $field => $argument) { |
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$this->skipIf[$field] = $argument; |
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} |
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return $this; |
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} |
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/** |
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* @param array $values |
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* |
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* @return self |
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*/ |
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public function includeIf(array $values = []) |
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{ |
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foreach ($values as $field => $argument) { |
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$this->includeIf[$field] = $argument; |
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} |
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return $this; |
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} |
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public function __toString() |
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{ |
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if ($this->isRootQuery) { |
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$query = sprintf('%s { %s %s { %s } } %s', static::printQuery($this->operationName, $this->variables), static::printType($this->type), static::printArgs($this->args), static::printFields($this->fields, $this->skipIf, $this->includeIf), static::printFragments($this->fragments)); |
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} else { |
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$query = sprintf('%s { %s }', static::printType($this->type), static::printFields($this->fields, $this->skipIf, $this->includeIf)); |
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} |
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$query = \GraphQL\Language\Printer::doPrint(\GraphQL\Language\Parser::parse((string) $query)); |
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$query = str_replace(static::$operationNamePlaceholder, static::GENERATED_NAME_PREFIX.sha1($query), $query); |
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return $query; |
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} |
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/** |
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* @param Fragment $fragment |
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* |
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* @return $this |
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*/ |
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public function addFragment(Fragment $fragment) |
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{ |
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$this->fragments[$fragment->name] = $fragment; |
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return $this; |
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} |
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/** |
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* @param $value |
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* |
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* @return string |
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*/ |
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private function printFragments($value) |
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330
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{ |
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$fragments = ''; |
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332
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foreach ($value as $fragment) { |
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$fragments .= (string) $fragment; |
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} |
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return $fragments; |
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} |
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339
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/** |
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340
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* @param null $type |
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341
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* @param array $args |
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342
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* @param array $fields |
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343
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*/ |
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344
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private function __construct($type = null, array $args = [], array $fields = []) |
|
345
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{ |
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346
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$this->type = $type; |
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347
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348
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$this->arguments($args); |
|
349
|
|
|
|
|
350
|
|
|
$this->fields($fields); |
|
351
|
|
|
} |
|
352
|
|
|
|
|
353
|
|
|
private static function printType($value): string |
|
354
|
|
|
{ |
|
355
|
|
|
if (\is_string($value)) { |
|
356
|
|
|
return $value; |
|
357
|
|
|
} |
|
358
|
|
|
|
|
359
|
|
|
if (\is_array($value) && \count($value)) { |
|
360
|
|
|
foreach ($value as $alias => $type) { |
|
361
|
|
|
return sprintf('%s: %s', $alias, $type); |
|
362
|
|
|
} |
|
363
|
|
|
} |
|
364
|
|
|
} |
|
365
|
|
|
} |
|
366
|
|
|
|
fnash /
graphql-qb
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