Souke/common/components/DolibarrApi.php

<?php

namespace common\components;

use Psr\Http\Message\ResponseInterface;

class DolibarrApi extends AbstractApi
{
    const RESOURCE_INVOICES = 'invoices';
    const RESOURCE_PRODUCTS = 'products';
    const RESOURCE_DOCUMENTS = 'documents';

    public function createInvoice(int $idUser)
    {
        return $this->post(self::RESOURCE_INVOICES, [
            'socid' => $idUser
        ]);
    }

    public function addInvoiceLine(int $idInvoice, int $idProduct)
    {
        $productArray = $this->getProduct($idProduct);

        return $this->post(self::RESOURCE_INVOICES . '/' . $idInvoice . '/lines', [
            'fk_product' => $idProduct,
            'subprice' => $productArray['price'],
            'qty' => 1,
            'desc' => $productArray['description']
        ]);
    }

    public function validateInvoice(int $idInvoice)
    {
        return $this->post(self::RESOURCE_INVOICES . '/' . $idInvoice . '/validate', [], false);
    }

    public function generateInvoicePdf(string $reference)
    {
        return $this->put(self::RESOURCE_DOCUMENTS . '/builddoc', [
            'modulepart' => 'invoice',
            'doctemplate' => 'crabe',
            'langcode' => 'fr_FR',
            'original_file' => $reference.'/'.$reference.'.pdf'
        ]);
    }

    public function getProduct(int $idProduct)
    {
        return $this->get(self::RESOURCE_PRODUCTS . '/' . $idProduct);
    }
}