From d7156a94eb5cf784cc3c267a4bac061c689eadfb Mon Sep 17 00:00:00 2001
From: Johannes Huber <jh@vivid-planet.com>
Date: Tue, 13 Feb 2018 11:47:39 +0100
Subject: [PATCH] Update price when amount of product changes

---
 KwcShop/Kwc/Shop/Cart/Component.twig       | 2 +-
 KwcShop/Kwc/Shop/Cart/Detail/Component.php | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/KwcShop/Kwc/Shop/Cart/Component.twig b/KwcShop/Kwc/Shop/Cart/Component.twig
index 76dfa0f..f32902c 100644
--- a/KwcShop/Kwc/Shop/Cart/Component.twig
+++ b/KwcShop/Kwc/Shop/Cart/Component.twig
@@ -22,7 +22,7 @@
         {% endif %}
         {% block submit %}
             <input class="{{ 'submit'|bemClass }} kwfUp-shopSubmitButton"
-                    name="{{ form.componentId }}"
+                    name="{{ form.componentId }}-update"
                     type="submit"
                     value="{{ data.trlKwf('Update') }}"
             />
diff --git a/KwcShop/Kwc/Shop/Cart/Detail/Component.php b/KwcShop/Kwc/Shop/Cart/Detail/Component.php
index 5fde8cb..d635885 100644
--- a/KwcShop/Kwc/Shop/Cart/Detail/Component.php
+++ b/KwcShop/Kwc/Shop/Cart/Detail/Component.php
@@ -17,6 +17,11 @@ public function preProcessInput($data)
         if (isset($data[$this->getData()->componentId.'-delete'])) {
             $this->getData()->row->delete();
         }
+        // HACK: Should be delegated to AddToCartAbstract_Component which show the form
+        if (isset($data[$this->getData()->parent->componentId.'-form-update'])) {
+            $amount = $data['order'.$this->getData()->row->id.'_amount'];
+            $this->getData()->row->amount = $amount;
+        }
     }
 
     public function getTemplateVars(Kwf_Component_Renderer_Abstract $renderer)