Accounting Helper Class (connectivity sales & accounting)

Rsacc.php

<?php


namespace RServices\Helpers;


use GuzzleHttp\RequestOptions;
use Illuminate\Support\Facades\Response;
use Illuminate\Support\Facades\Storage;
use Ramsey\Uuid\Uuid;

class Rsacc
{

    /**
     * @return \Illuminate\Http\Client\PendingRequest
     */
    static function client()
    {
        return \Http::withOptions([
            'base_uri' => config('app.accounting.uri'),
        ])->withToken(config('app.accounting.token'))->withHeaders([
            'Accept' => 'application/json',
        ]);
    }

    public static function createContact($firstname, $lastname, $email, $street, $number, $postcode, $city, $region, $sex, $country = 'Germany', $organisation = null)
    {
        return self::client()->post('contact/create', get_defined_vars())->json();
    }

    public static function updateContact($contact, $firstname, $lastname, $email, $street, $number, $postcode, $city, $region, $sex, $country = 'Germany', $organisation = null)
    {
        return self::client()->post("contact/update/$contact", \Arr::except(get_defined_vars(), 'contact'))->json();
    }

    public static function downloadTransaction($transaction, $disposition = 'attachment')
    {
        $res = self::client()->get("transaction/download/$transaction");
        if ($res->serverError() || $res->status() == 404)
            return false;
        return response($res->body(), 200, [
            'Title' => 'Test.pdf',
            'Content-Type' => 'application/pdf',
            'Cache-Control' => 'must-revalidate, post-check=0, pre-check=0',
            'Content-Disposition' => $disposition.'; filename="' . $res->header('Title') . '"',
            'Pragma' => 'public',
        ]);
    }

    public function setContentDisposition(string $disposition, string $filename = '', string $filenameFallback = '')
    {
        if ('' === $filenameFallback && (!preg_match('/^[\x20-\x7e]*$/', $filename) || false !== strpos($filename, '%'))) {
            $encoding = mb_detect_encoding($filename, null, true) ?: '8bit';

            for ($i = 0, $filenameLength = mb_strlen($filename, $encoding); $i < $filenameLength; ++$i) {
                $char = mb_substr($filename, $i, 1, $encoding);

                if ('%' === $char || \ord($char) < 32 || \ord($char) > 126) {
                    $filenameFallback .= '_';
                } else {
                    $filenameFallback .= $char;
                }
            }
        }

        $dispositionHeader = $this->headers->makeDisposition($disposition, $filename, $filenameFallback);
        $this->headers->set('Content-Disposition', $dispositionHeader);

        return $this;
    }

    public static function createTransaction($offer_contact_id, array $items, $type = 'INVOICE', $state = 'DONE')
    {
        return self::client()->post('transaction/create', get_defined_vars())->json();
    }

    public static function transactionItem(float $amount, string $description, float $unit_value = 1, string $unit = 'ITEM')
    {
        return get_defined_vars();
    }

    public static function contactList()
    {
        return self::client()->get('contact/list')->json();
    }

    public static function transactionList()
    {
        return self::client()->get('transaction/list')->json();
    }

    static function call($method, $uri, $data = null)
    {
        return self::client()->{$method}($uri, $data)->json();
    }

}