Button to create Order from Preorder

Layout/default/Preorder/include/preorder-detail.php

@@ -36,7 +36,9 @@
             <div class="card">
               <div class="card-body">
                 <div class="card-header bg-info text-white pl-2 pr-2 pt-1 pb-1">Details</div>
-                
+
+
+
                 <div class="row">
                   <div class="col-8">
                     <div class="loader-big hidden" ><img src="<?=self::getResourcePath()?>assets/images/loader-big.gif" /></div>
@@ -170,6 +172,18 @@
                       </tr>
 
                     </table>
+
+                      <div class="row mb-2">
+                          <div class="col-8">
+                            <?php if($preorder->orderproduct): ?>
+                                <a href="<?=self::getUrl("Order", "index", ["id" => $preorder->orderproduct->order_id])?>" target="_blank"><i class="far fa-fw fa-angle-double-right"></i> Internetbestellung anzeigen</a>
+                            <?php else: ?>
+                              <a href="<?=self::getUrl("Preorder","createOrderFromPreorder", ["preorder_id" => $preorder->id])?>" target="_blank" class="btn btn-outline-primary"><i class="far fa-fw fa-angle-double-right"></i> Internetbestellung anlegen</a>
+                            <?php endif; ?>
+                          </div>
+
+                      </div>
+
                   </div>
                   <div class="col-4">