Prestashop 1.7 : Ajouter une étape dans le tunnel de commande

 protected function bootstrap()
    {
        $translator = $this->getTranslator();
 
        $session = $this->getCheckoutSession();
 
        /**
         * Création du process
         */
        $this->checkoutProcess = new CheckoutProcess(
            $this->context,
            $session
        );
 
        /**
         * Ajout des différentes étapes
         */
        $this->checkoutProcess
            ->addStep(new CheckoutPersonalInformationStep(
                $this->context,
                $translator,
                $this->makeLoginForm(),
                $this->makeCustomerForm()
            ))
            ->addStep(new CheckoutAddressesStep(
                $this->context,
                $translator,
                $this->makeAddressForm()
            ));
 
        if (!$this->context->cart->isVirtualCart()) {
            $checkoutDeliveryStep = new CheckoutDeliveryStep(
                $this->context,
                $translator
            );
 
            $checkoutDeliveryStep
                ->setRecyclablePackAllowed((bool) Configuration::get('PS_RECYCLABLE_PACK'))
                ->setGiftAllowed((bool) Configuration::get('PS_GIFT_WRAPPING'))
                ->setIncludeTaxes(
                    !Product::getTaxCalculationMethod((int) $this->context->cart->id_customer)
                    && (int) Configuration::get('PS_TAX')
                )
                ->setDisplayTaxesLabel((Configuration::get('PS_TAX') && !Configuration::get('AEUC_LABEL_TAX_INC_EXC')))
                ->setGiftCost(
                    $this->context->cart->getGiftWrappingPrice(
                        $checkoutDeliveryStep->getIncludeTaxes()
                    )
                );
 
            $this->checkoutProcess->addStep($checkoutDeliveryStep);
        }
 
        $this->checkoutProcess
            ->addStep(new CheckoutPaymentStep(
                $this->context,
                $translator,
                new PaymentOptionsFinder(),
                new ConditionsToApproveFinder(
                    $this->context,
                    $translator
                )
            ));
    }

<?php
 
use Symfony\Component\Translation\TranslatorInterface;
 
class CustomCheckoutStep extends AbstractCheckoutStep
{
 
    /** @var Hh_CustomCheckout */
    protected $module;
 
    /** @var string $serviceName */
    protected $serviceName;
 
    /** @var string $responsableName */
    protected $responsableName;
 
    public function __construct(
        Context $context,
        TranslatorInterface $translator,
        Hh_CustomCheckout $module
    )
    {
        parent::__construct($context, $translator);
        $this->module = $module;
        $this->setTitle('Test de nouvelle étape');
    }
 
 
    /**
     * Récupération des données à persister
     *
     * @return array step
     */
    public function getDataToPersist()
    {
        return array(
            'service_name' => $this->serviceName,
            'responsable_name' => $this->responsableName,
        );
    }
 
    /**
     * Restoration des données persistées de la step
     *
     * @param array $data
     * @return $this|AbstractCheckoutStep
     */
    public function restorePersistedData(array $data)
    {
        if (array_key_exists('service_name', $data)) {
            $this->serviceName = $data['service_name'];
        }
 
        if (array_key_exists('responsable_name', $data)) {
            $this->responsableName = $data['responsable_name'];
        }
 
        return $this;
    }
 
    /**
     * Traitement de la requête ( ie = Variables Posts du checkout )
     * @param array $requestParameters
     * @return $this
     */
    public function handleRequest(array $requestParameters = array())
    {
        //Si les informations sont postées assignation des valeurs
        if (isset($requestParameters['submitCustomStep'])) {
            $this->serviceName = $requestParameters['service_name'];
            $this->responsableName = $requestParameters['responsable_name'];
 
            //Passage à l'étape suivante
            $this->setComplete(true);
 
            //Code 1.7.6
            if (version_compare(_PS_VERSION_, '1.7.6') > 0) {
                $this->setNextStepAsCurrent();
            } else {
                $this->setCurrent(false);
            }
        }
 
        return $this;
    }
 
    /**
     * Affichage de la step
     *
     * @param array $extraParams
     * @return string
     */
    public function render(array $extraParams = [])
    {
 
        //Assignation des informations d'affichage
        $defaultParams = array(
            //Informations nécessaires
            'identifier' => 'test',
            'position' => 3, //La position n'est qu'indicative ...
            'title' => $this->getTitle(),
            'step_is_complete' => (int)$this->isComplete(),
            'step_is_reachable' => (int)$this->isReachable(),
            'step_is_current' => (int)$this->isCurrent(),
            //Variables custom
            'serviceName' => $this->serviceName,
            'responsableName' => $this->responsableName,
        );
 
        $this->context->smarty->assign($defaultParams);
        return $this->module->display(
            _PS_MODULE_DIR_ . $this->module->name,
            'views/templates/front/customCheckoutStep.tpl'
        );
    }
 
}

<!-- Le template doit ếtendre le template parent des &eacute;tapes du tunnel de commande -->
{extends file='checkout/_partials/steps/checkout-step.tpl'}
 
<!-- Le contenu doit doit &ecirc;tre dans le block step content -->
{block name='step_content'}
    <div class="custom-checkout-step">
        <h2>Afin de confirmer votre commande merci de renseigner ces informations compl&eacute;mentaire sur votre service</h2>
        <!-- Le formulaire doit envoyer les donn&eacute;es sur la page de commande en post -->
        <form
                method="POST"
                action="{$urls.pages.order}"
                data-refresh-url="{url entity='order' params=['ajax' => 1, 'action' => 'customStep']}"
        >
 
            <!-- Les Champs sp&eacute;cifiques de la step avec assignation de la variable si elle existe -->
            <section class="form-fields">
                <div class="form-group row">
                    <label class="col-md-3 form-control-label required">Nom du service</label>
                    <div class="col-md-6">
                        <input type="text" name="service_name" {if isset($serviceName)}value="{$serviceName}"{/if}/>
                    </div>
                </div>
                <div class="form-group row">
                    <label class="col-md-3 form-control-label required">Nom du responsable</label>
                    <div class="col-md-6">
                        <input type="text" name="responsable_name" {if isset($responsableName)}value="{$responsableName}"{/if}/>
                    </div>
                </div
            </section>
            <footer class="form-footer clearfix">
                <input type="submit" name="submitCustomStep" value="Envoyer"
                       class="btn btn-primary continue float-xs-right"/>
            </footer>
        </form>
    </div>
{/block}

<?php
include_once _PS_MODULE_DIR_ . 'hh_customcheckout/hh_customcheckout.php';
include_once _PS_MODULE_DIR_ . 'hh_customcheckout/classes/CustomCheckoutStep.php';
 
class OrderController extends OrderControllerCore
{
 
    protected function bootstrap()
    {
        $translator = $this->getTranslator();
 
        $session = $this->getCheckoutSession();
 
        $this->checkoutProcess = new CheckoutProcess(
            $this->context,
            $session
        );
 
        $this->checkoutProcess
            ->addStep(new CheckoutPersonalInformationStep(
                $this->context,
                $translator,
                $this->makeLoginForm(),
                $this->makeCustomerForm()
            ))
            ->addStep(new CheckoutAddressesStep(
                $this->context,
                $translator,
                $this->makeAddressForm()
            ));
 
        //Les steps sont affichée dans l'ordre d'ajout et il n'y a pas de possibilité de modifier l'ordre
        //Du coup il faut l'ajouter dans la position souhaitée
        $customCheckout = Module::getInstanceByName('hh_customcheckout');
        $this->checkoutProcess
            ->addStep(new CustomCheckoutStep(
                    $this->context,
                    $this->getTranslator(),
                    $customCheckout
                )
            );
 
        if (!$this->context->cart->isVirtualCart()) {
            $checkoutDeliveryStep = new CheckoutDeliveryStep(
                $this->context,
                $translator
            );
 
            $checkoutDeliveryStep
                ->setRecyclablePackAllowed((bool) Configuration::get('PS_RECYCLABLE_PACK'))
                ->setGiftAllowed((bool) Configuration::get('PS_GIFT_WRAPPING'))
                ->setIncludeTaxes(
                    !Product::getTaxCalculationMethod((int) $this->context->cart->id_customer)
                    && (int) Configuration::get('PS_TAX')
                )
                ->setDisplayTaxesLabel((Configuration::get('PS_TAX') && !Configuration::get('AEUC_LABEL_TAX_INC_EXC')))
                ->setGiftCost(
                    $this->context->cart->getGiftWrappingPrice(
                        $checkoutDeliveryStep->getIncludeTaxes()
                    )
                );
 
            $this->checkoutProcess->addStep($checkoutDeliveryStep);
        }
 
        $this->checkoutProcess
            ->addStep(new CheckoutPaymentStep(
                $this->context,
                $translator,
                new PaymentOptionsFinder(),
                new ConditionsToApproveFinder(
                    $this->context,
                    $translator
                )
            ));
 
    }
 
}