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Editing: ObjectSerializer.php

<?php
/**
 * ObjectSerializer
 *
 * PHP version 7.4
 *
 * @category Class
 * @package  Xendit
 * @author   OpenAPI Generator team
 * @link     https://openapi-generator.tech
 */

/**
 * Payment Requests
 *
 * The version of the OpenAPI document: 1.45.2
 */

/**
 * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
 * https://openapi-generator.tech
 * Do not edit the class manually.
 */

namespace Xendit;

use GuzzleHttp\Psr7\Utils;
use Xendit\Model\ModelInterface;

/**
 * ObjectSerializer Class Doc Comment
 *
 * @category Class
 * @package  Xendit
 * @author   OpenAPI Generator team
 * @link     https://openapi-generator.tech
 */
class ObjectSerializer
{
    /** @var string */
    private static $dateTimeFormat = \DateTime::ATOM;

/**
     * Change the date format
     *
     * @param string $format   the new date format to use
     */
    public static function setDateTimeFormat($format)
    {
        self::$dateTimeFormat = $format;
    }

/**
     * Serialize data
     *
     * @param mixed  $data   the data to serialize
     * @param string $type   the OpenAPIToolsType of the data
     * @param string $format the format of the OpenAPITools type of the data
     *
     * @return scalar|object|array|null serialized form of $data
     */
    public static function sanitizeForSerialization($data, $type = null, $format = null)
    {
        if (is_scalar($data) || null === $data) {
            return $data;
        }

if ($data instanceof \DateTime) {
            return ($format === 'date') ? $data->format('Y-m-d') : $data->format(self::$dateTimeFormat);
        }

if (is_array($data)) {
            foreach ($data as $property => $value) {
                $data[$property] = self::sanitizeForSerialization($value);
            }
            return $data;
        }

if (is_object($data)) {
            $values = [];
            if ($data instanceof ModelInterface) {
                $formats = $data::openAPIFormats();
                foreach ($data::openAPITypes() as $property => $openAPIType) {
                    $getter = $data::getters()[$property];
                    $value = $data->$getter();
                    if ($value !== null && !in_array($openAPIType, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
                        $callable = [$openAPIType, 'getAllowableEnumValues'];
                        if (is_callable($callable)) {
                            /** array $callable */
                            $allowedEnumTypes = $callable();
                            if (!in_array($value, $allowedEnumTypes, true)) {
                                $imploded = implode("', '", $allowedEnumTypes);
                                throw new \InvalidArgumentException("Invalid value for enum '$openAPIType', must be one of: '$imploded'");
                            }
                        }
                    }
                    if (($data::isNullable($property) && $data->isNullableSetToNull($property)) || $value !== null) {
                        $values[$data::attributeMap()[$property]] = self::sanitizeForSerialization($value, $openAPIType, $formats[$property]);
                    }
                }
            } else {
                foreach($data as $property => $value) {
                    $values[$property] = self::sanitizeForSerialization($value);
                }
            }
            return (object)$values;
        } else {
            return (string)$data;
        }
    }

/**
     * Sanitize filename by removing path.
     * e.g. ../../sun.gif becomes sun.gif
     *
     * @param string $filename filename to be sanitized
     *
     * @return string the sanitized filename
     */
    public static function sanitizeFilename($filename)
    {
        if (preg_match("/.*[\/\\\\](.*)$/", $filename, $match)) {
            return $match[1];
        } else {
            return $filename;
        }
    }

/**
     * Shorter timestamp microseconds to 6 digits length.
     *
     * @param string $timestamp Original timestamp
     *
     * @return string the shorten timestamp
     */
    public static function sanitizeTimestamp($timestamp)
    {
        if (!is_string($timestamp)) return $timestamp;

return preg_replace('/(:\d{2}.\d{6})\d*/', '$1', $timestamp);
    }

/**
     * Take value and turn it into a string suitable for inclusion in
     * the path, by url-encoding.
     *
     * @param string $value a string which will be part of the path
     *
     * @return string the serialized object
     */
    public static function toPathValue($value)
    {
        return rawurlencode(self::toString($value));
    }

/**
     * Checks if a value is empty, based on its OpenAPI type.
     *
     * @param mixed  $value
     * @param string $openApiType
     *
     * @return bool true if $value is empty
     */
    private static function isEmptyValue($value, string $openApiType): bool
    {
        # If empty() returns false, it is not empty regardless of its type.
        if (!empty($value)) {
            return false;
        }

# Null is always empty, as we cannot send a real "null" value in a query parameter.
        if ($value === null) {
            return true;
        }

switch ($openApiType) {
            # For numeric values, false and '' are considered empty.
            # This comparison is safe for floating point values, since the previous call to empty() will
            # filter out values that don't match 0.
            case 'int':
            case 'integer':
                return $value !== 0;

case 'number':
            case 'float':
                return $value !== 0 && $value !== 0.0;

# For boolean values, '' is considered empty
            case 'bool':
            case 'boolean':
                return !in_array($value, [false, 0], true);

# For all the other types, any value at this point can be considered empty.
            default:
                return true;
        }
    }

/**
     * Take query parameter properties and turn it into an array suitable for
     * native http_build_query or GuzzleHttp\Psr7\Query::build.
     *
     * @param mixed  $value       Parameter value
     * @param string $paramName   Parameter name
     * @param string $openApiType OpenAPIType eg. array or object
     * @param string $style       Parameter serialization style
     * @param bool   $explode     Parameter explode option
     * @param bool   $required    Whether query param is required or not
     *
     * @return array
     */
    public static function toQueryValue(
        $value,
        string $paramName,
        string $openApiType = 'string',
        string $style = 'form',
        bool $explode = true,
        bool $required = true
    ): array {

# Check if we should omit this parameter from the query. This should only happen when:
        #  - Parameter is NOT required; AND
        #  - its value is set to a value that is equivalent to "empty", depending on its OpenAPI type. For
        #    example, 0 as "int" or "boolean" is NOT an empty value.
        if (self::isEmptyValue($value, $openApiType)) {
            if ($required) {
                return ["{$paramName}" => ''];
            } else {
                return [];
            }
        }

# Handle DateTime objects in query
        if($openApiType === "\\DateTime" && $value instanceof \DateTime) {
            return ["{$paramName}" => $value->format(self::$dateTimeFormat)];
        }

$query = [];
        $value = (in_array($openApiType, ['object', 'array'], true)) ? (array)$value : $value;

// since \GuzzleHttp\Psr7\Query::build fails with nested arrays
        // need to flatten array first
        $flattenArray = function ($arr, $name, &$result = []) use (&$flattenArray, $style, $explode) {
            if (!is_array($arr)) return $arr;

foreach ($arr as $k => $v) {
                $prop = ($style === 'deepObject') ? $prop = "{$name}[{$k}]" : $k;

if (is_array($v)) {
                    $flattenArray($v, $prop, $result);
                } else {
                    if ($style !== 'deepObject' && !$explode) {
                        // push key itself
                        $result[] = $prop;
                    }
                    $result[$prop] = $v;
                }
            }
            return $result;
        };

$value = $flattenArray($value, $paramName);

if ($openApiType === 'object' && ($style === 'deepObject' || $explode)) {
            return $value;
        }

if ('boolean' === $openApiType && is_bool($value)) {
            $value = self::convertBoolToQueryStringFormat($value);
        }

// handle style in serializeCollection
        $query[$paramName] = ($explode) ? $value : self::serializeCollection((array)$value, $style);

return $query;
    }

/**
     * Convert boolean value to format for query string.
     *
     * @param bool $value Boolean value
     *
     * @return int|string Boolean value in format
     */
    public static function convertBoolToQueryStringFormat(bool $value)
    {
        if (Configuration::BOOLEAN_FORMAT_STRING == Configuration::getDefaultConfiguration()->getBooleanFormatForQueryString()) {
            return $value ? 'true' : 'false';
        }

return (int) $value;
    }

/**
     * Take value and turn it into a string suitable for inclusion in
     * the header. If it's a string, pass through unchanged
     * If it's a datetime object, format it in ISO8601
     *
     * @param string $value a string which will be part of the header
     *
     * @return string the header string
     */
    public static function toHeaderValue($value)
    {
        $callable = [$value, 'toHeaderValue'];
        if (is_callable($callable)) {
            return $callable();
        }

return self::toString($value);
    }

/**
     * Take value and turn it into a string suitable for inclusion in
     * the http body (form parameter). If it's a string, pass through unchanged
     * If it's a datetime object, format it in ISO8601
     *
     * @param string|\SplFileObject $value the value of the form parameter
     *
     * @return string the form string
     */
    public static function toFormValue($value)
    {
        if ($value instanceof \SplFileObject) {
            return $value->getRealPath();
        } else {
            return self::toString($value);
        }
    }

/**
     * Take value and turn it into a string suitable for inclusion in
     * the parameter. If it's a string, pass through unchanged
     * If it's a datetime object, format it in ISO8601
     * If it's a boolean, convert it to "true" or "false".
     *
     * @param string|bool|\DateTime $value the value of the parameter
     *
     * @return string the header string
     */
    public static function toString($value)
    {
        if ($value instanceof \DateTime) { // datetime in ISO8601 format
            return $value->format(self::$dateTimeFormat);
        } elseif (is_bool($value)) {
            return $value ? 'true' : 'false';
        } else {
            return (string) $value;
        }
    }

/**
     * Serialize an array to a string.
     *
     * @param array  $collection                 collection to serialize to a string
     * @param string $style                      the format use for serialization (csv,
     * ssv, tsv, pipes, multi)
     * @param bool   $allowCollectionFormatMulti allow collection format to be a multidimensional array
     *
     * @return string
     */
    public static function serializeCollection(array $collection, $style, $allowCollectionFormatMulti = false)
    {
        if ($allowCollectionFormatMulti && ('multi' === $style)) {
            // http_build_query() almost does the job for us. We just
            // need to fix the result of multidimensional arrays.
            return preg_replace('/%5B[0-9]+%5D=/', '=', http_build_query($collection, '', '&'));
        }
        switch ($style) {
            case 'pipeDelimited':
            case 'pipes':
                return implode('|', $collection);

case 'tsv':
                return implode("\t", $collection);

case 'spaceDelimited':
            case 'ssv':
                return implode(' ', $collection);

case 'simple':
            case 'csv':
                // Deliberate fall through. CSV is default format.
            default:
                return implode(',', $collection);
        }
    }

/**
     * Deserialize a JSON string into an object
     *
     * @param mixed    $data          object or primitive to be deserialized
     * @param string   $class         class name is passed as a string
     * @param string[] $httpHeaders   HTTP headers
     * @param string   $discriminator discriminator if polymorphism is used
     *
     * @return object|array|null a single or an array of $class instances
     */
    public static function deserialize($data, $class, $httpHeaders = null)
    {
        if (null === $data) {
            return null;
        }

if (strcasecmp(substr($class, -2), '[]') === 0) {
            $data = is_string($data) ? json_decode($data) : $data;

if (!is_array($data)) {
                throw new \InvalidArgumentException("Invalid array '$class'");
            }

$subClass = substr($class, 0, -2);
            $values = [];
            foreach ($data as $key => $value) {
                $values[] = self::deserialize($value, $subClass, null);
            }
            return $values;
        }

if (preg_match('/^(array<|map\[)/', $class)) { // for associative array e.g. array<string,int>
            $data = is_string($data) ? json_decode($data) : $data;
            settype($data, 'array');
            $inner = substr($class, 4, -1);
            $deserialized = [];
            if (strrpos($inner, ",") !== false) {
                $subClass_array = explode(',', $inner, 2);
                $subClass = $subClass_array[1];
                foreach ($data as $key => $value) {
                    $deserialized[$key] = self::deserialize($value, $subClass, null);
                }
            }
            return $deserialized;
        }

if ($class === 'object') {
            settype($data, 'array');
            return $data;
        } elseif ($class === 'mixed') {
            settype($data, gettype($data));
            return $data;
        }

if ($class === '\DateTime') {
            // Some APIs return an invalid, empty string as a
            // date-time property. DateTime::__construct() will return
            // the current time for empty input which is probably not
            // what is meant. The invalid empty string is probably to
            // be interpreted as a missing field/value. Let's handle
            // this graceful.
            if (!empty($data)) {
                try {
                    return new \DateTime($data);
                } catch (\Exception $exception) {
                    // Some APIs return a date-time with too high nanosecond
                    // precision for php's DateTime to handle.
                    // With provided regexp 6 digits of microseconds saved
                    return new \DateTime(self::sanitizeTimestamp($data));
                }
            } else {
                return null;
            }
        }

if ($class === '\SplFileObject') {
            $data = Utils::streamFor($data);

/** @var \Psr\Http\Message\StreamInterface $data */

// determine file name
            if (
                is_array($httpHeaders)
                && array_key_exists('Content-Disposition', $httpHeaders) 
                && preg_match('/inline; filename=[\'"]?([^\'"\s]+)[\'"]?$/i', $httpHeaders['Content-Disposition'], $match)
            ) {
                $filename = Configuration::getDefaultConfiguration()->getTempFolderPath() . DIRECTORY_SEPARATOR . self::sanitizeFilename($match[1]);
            } else {
                $filename = tempnam(Configuration::getDefaultConfiguration()->getTempFolderPath(), '');
            }

$file = fopen($filename, 'w');
            while ($chunk = $data->read(200)) {
                fwrite($file, $chunk);
            }
            fclose($file);

return new \SplFileObject($filename, 'r');
        }

/** @psalm-suppress ParadoxicalCondition */
        if (in_array($class, ['\DateTime', '\SplFileObject', 'array', 'bool', 'boolean', 'byte', 'float', 'int', 'integer', 'mixed', 'number', 'object', 'string', 'void'], true)) {
            settype($data, $class);
            return $data;
        }

if (method_exists($class, 'getAllowableEnumValues')) {
            if (!in_array($data, $class::getAllowableEnumValues(), true)) {
                $data = end($class::getAllowableEnumValues());
            }
            return $data;
        } else {
            $data = is_string($data) ? json_decode($data) : $data;

if (is_array($data)) {
                $data = (object)$data;
            }

// If a discriminator is defined and points to a valid subclass, use it.
            $discriminator = $class::DISCRIMINATOR;
            if (!empty($discriminator) && isset($data->{$discriminator}) && is_string($data->{$discriminator})) {
                $subclass = '\Xendit\Model\\' . $data->{$discriminator};
                if (is_subclass_of($subclass, $class)) {
                    $class = $subclass;
                }
            }

/** @var ModelInterface $instance */
            $instance = new $class();
            foreach ($instance::openAPITypes() as $property => $type) {
                $propertySetter = $instance::setters()[$property];

if (!isset($propertySetter)) {
                    continue;
                }

if (!isset($data->{$instance::attributeMap()[$property]})) {
                    if ($instance::isNullable($property)) {
                        $instance->$propertySetter(null);
                    }

continue;
                }

if (isset($data->{$instance::attributeMap()[$property]})) {
                    $propertyValue = $data->{$instance::attributeMap()[$property]};
                    $instance->$propertySetter(self::deserialize($propertyValue, $type, null));
                }
            }
            return $instance;
        }
    }

/**
     * Native `http_build_query` wrapper.
     * @see https://www.php.net/manual/en/function.http-build-query
     *
     * @param array|object $data           May be an array or object containing properties.
     * @param string       $numeric_prefix If numeric indices are used in the base array and this parameter is provided, it will be prepended to the numeric index for elements in the base array only.
     * @param string|null  $arg_separator  arg_separator.output is used to separate arguments but may be overridden by specifying this parameter.
     * @param int          $encoding_type  Encoding type. By default, PHP_QUERY_RFC1738.
     *
     * @return string
     */
    public static function buildQuery(
        $data,
        string $numeric_prefix = '',
        ?string $arg_separator = null,
        int $encoding_type = \PHP_QUERY_RFC3986
    ): string {
        return \GuzzleHttp\Psr7\Query::build($data, $encoding_type);
    }
}

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