Application\Api\Scalar\AbstractStringBasedType

Complexity

Total Complexity

6

Size/Duplication

Total Lines	61
Duplicated Lines	0 %

Test Coverage

Coverage

91.67%

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	parseValue()	0	7	2
A	serialize()	0	4	1
A	parseLiteral()	0	13	3

<?php

declare(strict_types=1);

namespace Application\Api\Scalar;

use GraphQL\Error\Error;
use GraphQL\Language\AST\Node;
use GraphQL\Language\AST\StringValueNode;
use GraphQL\Type\Definition\ScalarType;
use GraphQL\Utils\Utils;

abstract class AbstractStringBasedType extends ScalarType
{
    /**
     * Validate value
     *
     * @param mixed $value
     *
     * @return bool
     */
    abstract protected function isValid($value): bool;

    /**
     * Serializes an internal value to include in a response.
     *
     * @param mixed $value
     *
     * @return mixed
     */
    public function serialize($value)
    {
        // Assuming internal representation of url is always correct:
        return $value;
    }

    /**
     * Parses an externally provided value (query variable) to use as an input
     *
     * @param mixed $value
     *
     * @return mixed
     */
    public function parseValue($value)
    {
        if (!$this->isValid($value)) {
            throw new \UnexpectedValueException('Query error: Not a valid ' . $this->name . ': ' . Utils::printSafe($value));
        }

        return $value;
    }

    /**
     * Parses an externally provided literal value to use as an input (e.g. in Query AST)
     *
     * @param $ast Node
     * @param null|array $variables
     *
     * @return null|string
     */
    public function parseLiteral($ast, array $variables = null)
    {
        // Note: throwing GraphQL\Error\Error vs \UnexpectedValueException to benefit from GraphQL
        // error location in query:
        if (!($ast instanceof StringValueNode)) {
            throw new Error('Query error: Can only parse strings got: ' . $ast->kind, [$ast]);
        }

        if (!$this->isValid($ast->value)) {
            throw new Error('Query error: Not a valid ' . $this->name, [$ast]);
        }

        return $ast->value;
    }
}