create error message when a customer is deleted and already have orders.

Fix #199

core/lib/Thelia/Action/Customer.php

@@ -31,6 +31,8 @@ use Thelia\Core\Event\LostPasswordEvent;
 use Thelia\Core\Event\TheliaEvents;
 use Thelia\Core\Security\SecurityContext;
 use Thelia\Core\Template\ParserInterface;
+use Thelia\Core\Translation\Translator;
+use Thelia\Exception\CustomerException;
 use Thelia\Mailer\MailerFactory;
 use Thelia\Model\ConfigQuery;
 use Thelia\Model\Customer as CustomerModel;
@@ -106,6 +108,10 @@ class Customer extends BaseAction implements EventSubscriberInterface
     {
         if (null !== $customer = $event->getCustomer()) {
 
+            if (true === $customer->hasOrder()) {
+                throw new CustomerException(Translator::getInstance()->trans("Impossible to delete a customer who already have orders"));
+            }
+
             $customer->delete();
         }
     }

core/lib/Thelia/Controller/Admin/CustomerController.php

@@ -27,6 +27,7 @@ use Thelia\Core\Security\Resource\AdminResources;
 use Thelia\Core\Event\Customer\CustomerCreateOrUpdateEvent;
 use Thelia\Core\Event\Customer\CustomerEvent;
 use Thelia\Core\Event\TheliaEvents;
+use Thelia\Exception\CustomerException;
 use Thelia\Form\CustomerCreateForm;
 use Thelia\Form\CustomerUpdateForm;
 use Thelia\Model\CustomerQuery;
@@ -178,13 +179,14 @@ class CustomerController extends AbstractCrudController
         );
     }
 
-    protected function renderListTemplate($currentOrder)
+    protected function renderListTemplate($currentOrder, $customParams = array())
     {
-        return $this->render('customers', array(
+        return $this->render('customers', array_merge(array(
                 'customer_order'   => $currentOrder,
                 'display_customer' => 20,
                 'page'             => $this->getRequest()->get('page', 1)
-        ));
+            ), $customParams)
+        );
     }
 
     protected function redirectToListTemplate()
@@ -203,4 +205,18 @@ class CustomerController extends AbstractCrudController
     {
         $this->redirectToRoute("admin.customer.update.view", $this->getEditionArguments());
     }
+
+    public function deleteAction()
+    {
+        try {
+            parent::deleteAction();
+        } catch (CustomerException $e) {
+            $error_msg = $e->getMessage();
+        }
+
+        return $this->renderListTemplate($this->getCurrentListOrder(), array(
+                "removal_error" => true,
+                "error_message" => $error_msg
+            ));
+    }
 }

core/lib/Thelia/Exception/CustomerException.php

@@ -0,0 +1,34 @@
+<?php
+/*************************************************************************************/
+/*                                                                                   */
+/*      Thelia	                                                                     */
+/*                                                                                   */
+/*      Copyright (c) OpenStudio                                                     */
+/*      email : info@thelia.net                                                      */
+/*      web : http://www.thelia.net                                                  */
+/*                                                                                   */
+/*      This program is free software; you can redistribute it and/or modify         */
+/*      it under the terms of the GNU General Public License as published by         */
+/*      the Free Software Foundation; either version 3 of the License                */
+/*                                                                                   */
+/*      This program is distributed in the hope that it will be useful,              */
+/*      but WITHOUT ANY WARRANTY; without even the implied warranty of               */
+/*      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                */
+/*      GNU General Public License for more details.                                 */
+/*                                                                                   */
+/*      You should have received a copy of the GNU General Public License            */
+/*	    along with this program. If not, see <http://www.gnu.org/licenses/>.         */
+/*                                                                                   */
+/*************************************************************************************/
+
+namespace Thelia\Exception;
+
+
+/**
+ * Class CustomerException
+ * @package Thelia\Exception
+ * @author Manuel Raynaud <mraynaud@openstudio.fr>
+ */
+class CustomerException extends \RuntimeException
+{
+} 

core/lib/Thelia/Model/Customer.php

@@ -239,6 +239,15 @@ class Customer extends BaseCustomer implements UserInterface
         return $this->getRememberMeSerial();
     }
 
+    public function hasOrder()
+    {
+        $order = OrderQuery::create()
+            ->filterByCustomerId($this->getId())
+            ->count();
+
+        return $order > 0;
+    }
+
     /**
      * {@inheritDoc}
      */

templates/backOffice/default/customers.html

@@ -20,6 +20,12 @@
             <div class="row">
                 <div class="col-md-12">
                     <div class="general-block-decorator">
+                        {if $removal_error }
+                            <div class="alert alert-danger fade in">
+                                <button type="button" class="close" data-dismiss="alert" aria-hidden="true">&times;</button>
+                                <h4 class="modal-title">{$error_message}</h4>
+                            </div>
+                        {/if}
                         <div class="table-responsive">
                             <table class="table table-striped table-condensed" id="customer_list">
                                 <caption>