diff --git a/application/Contract/ContractController.php b/application/Contract/ContractController.php
index c2fae4eb4..aaa7e2853 100644
--- a/application/Contract/ContractController.php
+++ b/application/Contract/ContractController.php
@@ -380,7 +380,7 @@ class ContractController extends mfBaseController
         if (!$product->id) {
             $this->layout()->setFlash("Produkt nicht gefunden", "error");
             if($f == "o") {
-                $this->redirect("Contract", "productchange", ["contract_id" => $id, "f" => $f]);
+                $this->redirect("Order", "productchange", ["contract_id" => $id]);
             } else {
                 $this->redirect("Contract", "productchange", ["contract_id" => $id]);
             }
@@ -397,7 +397,7 @@ class ContractController extends mfBaseController
             } catch (Exception $e) {
                 $this->layout()->setFlash("Ungültiges Kündigungsdateum", "error");
                 if($f == "o") {
-                    $this->redirect("Contract", "productchange", ["contract_id" => $id, "f" => $f]);
+                    $this->redirect("Order", "productchange", ["contract_id" => $id]);
                 } else {
                     $this->redirect("Contract", "productchange", ["contract_id" => $id]);
                 }
@@ -420,7 +420,7 @@ class ContractController extends mfBaseController
             if (!$contract_data['termination_id'] || !$termination->id) {
                 $this->layout()->setFlash("Produkt erfordert Anschluss.", "error");
                 if($f == "o") {
-                    $this->redirect("Contract", "productchange", ["contract_id" => $id, "f" => $f]);
+                    $this->redirect("Order", "productchange", ["contract_id" => $id]);
                 } else {
                     $this->redirect("Contract", "productchange", ["contract_id" => $id]);
                 }
@@ -436,7 +436,7 @@ class ContractController extends mfBaseController
         if (!$new_contract_id) {
             $this->layout()->setFlash("Neuer Contract konnte nicht gespeichert werden", "error");
             if($f == "o") {
-                $this->redirect("Contract", "productchange", ["contract_id" => $id, "f" => $f]);
+                $this->redirect("Order", "productchange", ["contract_id" => $id]);
             } else {
                 $this->redirect("Contract", "productchange", ["contract_id" => $id]);
             }
@@ -463,9 +463,9 @@ class ContractController extends mfBaseController
                     try {
                         $cancel_date = DateTime::createFromFormat("d.m.Y", $link_data["cancel_date"], new DateTimeZone("Europe/Vienna"));
                     } catch (Exception $e) {
-                        $this->layout()->setFlash("Ungültiges Kündigungsdateum", "error");
+                        $this->layout()->setFlash("Ungültiges Kündigungsdatum", "error");
                         if($f == "o") {
-                            $this->redirect("Contract", "productchange", ["contract_id" => $id, "f" => $f]);
+                            $this->redirect("Order", "productchange", ["contract_id" => $id]);
                         } else {
                             $this->redirect("Contract", "productchange", ["contract_id" => $id]);
                         }
@@ -593,7 +593,7 @@ class ContractController extends mfBaseController
             $this->layout()->setFlash("Konnte Verknüpfung nicht speichern", "warn");
         }
 
-        $this->layout()->setFlash("Neuer Contract erfolgreich erstellt", "success");
+        $this->layout()->setFlash("Produktwechsel erfolgreich erstellt", "success");
         if($f == "o") {
             $this->redirect("Order");
         } else {
diff --git a/application/ContractLink/ContractLinkModel.php b/application/ContractLink/ContractLinkModel.php
index b3c2f4170..a2344459f 100644
--- a/application/ContractLink/ContractLinkModel.php
+++ b/application/ContractLink/ContractLinkModel.php
@@ -93,6 +93,63 @@ class ContractLinkModel {
     
     return $items;
   }
+
+    public static function countWithContracts($filter) {
+        $db = FronkDB::singleton();
+
+        $where = self::getSqlFilter($filter);
+        $sql = "SELECT COUNT(*) as cnt FROM ContractLink
+            LEFT JOIN Contract ON (ContractLink.contract_id = Contract.id)
+            LEFT JOIN Address AS Owner ON (Contract.owner_id = Owner.id)
+            LEFT JOIN Worker ON (ContractLink.create_by = Worker.id)
+            LEFT JOIN OrderProduct ON (Contract.orderproduct_id = OrderProduct.id)
+            LEFT JOIN `Order` ON (OrderProduct.order_id = `Order`.id)
+            LEFT JOIN Product ON (Contract.product_id = Product.id)
+            WHERE $where
+            ";
+
+        $res = $db->query($sql);
+        if($db->num_rows($res)) {
+            $data = $db->fetch_object($res);
+            return $data->cnt;
+        }
+        return 0;
+    }
+
+  public static function searchWithContracts($filter, $limit = false) {
+      $items = [];
+      $db = FronkDB::singleton();
+
+      $where = self::getSqlFilter($filter);
+      $sql = "SELECT ContractLink.* FROM ContractLink
+            LEFT JOIN Contract ON (ContractLink.contract_id = Contract.id)
+            LEFT JOIN Address AS Owner ON (Contract.owner_id = Owner.id)
+            LEFT JOIN Worker ON (ContractLink.create_by = Worker.id)
+            LEFT JOIN OrderProduct ON (Contract.orderproduct_id = OrderProduct.id)
+            LEFT JOIN `Order` ON (OrderProduct.order_id = `Order`.id)
+            LEFT JOIN Product ON (Contract.product_id = Product.id)
+            WHERE $where
+            ORDER BY Contract.`create`,Contract.id";
+
+      if(is_array($limit) && count($limit)) {
+          if(is_numeric($limit['start']) && is_numeric($limit['count'])) {
+              $sql .= " LIMIT ".$limit['start'].", ".$limit['count'];
+          } elseif(is_numeric($limit['count'])) {
+              $sql .= " LIMIT ".$limit['count'];
+          }
+      }
+
+      mfLoghandler::singleton()->debug($sql);
+
+      $res = $db->query($sql);
+      if($db->num_rows($res)) {
+          while($data = $db->fetch_object($res)) {
+              $items[$data->id] = new ContractLink($data);
+          }
+      }
+
+      return $items;
+  }
   
   public static function count($filter) {
     $db = FronkDB::singleton();
@@ -109,7 +166,7 @@ class ContractLinkModel {
     }
     return 0;
   }
-  
+
   public static function search($filter, $limit = false) {
     //var_dump($filter);exit;
     $items = [];
@@ -123,7 +180,7 @@ class ContractLinkModel {
     if(is_array($limit) && count($limit)) {
       if(is_numeric($limit['start']) && is_numeric($limit['count'])) {
         $sql .= " LIMIT ".$limit['start'].", ".$limit['count'];
-      } elseif(is_numeric($count)) {
+      } elseif(is_numeric($limit['count'])) {
         $sql .= " LIMIT ".$limit['count'];
       }
     }
@@ -171,9 +228,96 @@ class ContractLinkModel {
                   $where .= " AND ContractLink.type = '$type'";
               }
           }
-
       }
-    
+
+      if(array_key_exists("price<", $filter)) {
+          $price = $filter['price<'];
+          if(is_numeric($price)) {
+              $where .= " AND Contract.price < $price";
+          }
+      }
+      if(array_key_exists("price<=", $filter)) {
+          $price = $filter['price<='];
+          if(is_numeric($price)) {
+              $where .= " AND Contract.price <= $price";
+          }
+      }
+
+      if(array_key_exists("price>", $filter)) {
+          $price = $filter['price>'];
+          if(is_numeric($price)) {
+              $where .= " AND Contract.price > $price";
+          }
+      }
+      if(array_key_exists("price>=", $filter)) {
+          $price = $filter['price>='];
+          if(is_numeric($price)) {
+              $where .= " AND Contract.price >= $price";
+          }
+      }
+
+      if(array_key_exists("finish_date", $filter)) {
+          $finish_date = $filter['finish_date'];
+          if(is_numeric($finish_date)) {
+              $where .= " AND Contract.finish_date = $finish_date";
+          }
+      }
+
+      if(array_key_exists("finish_date>", $filter)) {
+          $finish_date = $filter['finish_date>'];
+          if(is_numeric($finish_date)) {
+              $where .= " AND Contract.finish_date >= $finish_date";
+          }
+      }
+
+      if(array_key_exists("finish_date_null_or_gte", $filter)) {
+          $finish_date = $filter['finish_date_null_or_gte'];
+          if(is_numeric($finish_date)) {
+              $where .= " AND (Contract.finish_date IS NULL OR Contract.finish_date >= $finish_date)";
+          }
+      }
+
+      if(array_key_exists("finish_date<", $filter)) {
+          $finish_date = $filter['finish_date<'];
+          if(is_numeric($finish_date)) {
+              $where .= " AND Contract.finish_date <= $finish_date";
+          }
+      }
+
+      if(array_key_exists("finish_date_null_or_lte", $filter)) {
+          $finish_date = $filter['finish_date_null_or_lte'];
+          if(is_numeric($finish_date)) {
+              $where .= " AND (Contract.finish_date IS NULL OR Contract.finish_date <= $finish_date)";
+          }
+      }
+
+      if(array_key_exists("cancel_date>", $filter)) {
+          $cancel_date = $filter['cancel_date>'];
+          if(is_numeric($cancel_date)) {
+              $where .= " AND Contract.cancel_date >= $cancel_date";
+          }
+      }
+
+      if(array_key_exists("cancel_date_null_or_gte", $filter)) {
+          $cancel_date = $filter['cancel_date_null_or_gte'];
+          if(is_numeric($cancel_date)) {
+              $where .= " AND (Contract.cancel_date IS NULL OR Contract.cancel_date >= $cancel_date)";
+          }
+      }
+
+      if(array_key_exists("cancel_date<", $filter)) {
+          $cancel_date = $filter['cancel_date<'];
+          if(is_numeric($cancel_date)) {
+              $where .= " AND Contract.cancel_date <= $cancel_date";
+          }
+      }
+
+      if(array_key_exists("cancel_date_null_or_lte", $filter)) {
+          $cancel_date = $filter['cancel_date_null_or_lte'];
+          if(is_numeric($cancel_date)) {
+              $where .= " AND (Contract.cancel_date IS NULL OR Contract.cancel_date <= $cancel_date)";
+          }
+      }
     
     //var_dump($filter, $where);exit;
     return $where;
diff --git a/application/Order/OrderController.php b/application/Order/OrderController.php
index 2c7cd1697..45eff9cfb 100644
--- a/application/Order/OrderController.php
+++ b/application/Order/OrderController.php
@@ -427,10 +427,6 @@ class OrderController extends mfBaseController {
     return $this->addAction();
   }
 
-  protected function upgradesAction() {
-      
-  }
-  
   protected function setwaitingAction() {
     $order_id = $this->request->id;
     $order = new Order($order_id);
@@ -462,6 +458,41 @@ class OrderController extends mfBaseController {
     $this->redirect("Order","Index", $qs);
   }
 
+  protected function upgradesAction() {
+      $this->layout()->setTemplate("Order/Upgrades");
+
+      $rfilter = $this->request->filter;
+      if(!$rfilter) {
+          $rfilter = [];
+      }
+
+      $this->layout->set("filter", $rfilter);
+      $filter = $this->getPreparedFilter($this->request->filter);
+
+      // pagination defaults
+      $pagination = [];
+      $pagination['start'] = 0;
+      $pagination['count'] = 20;
+      $pagination['maxItems'] = 0;
+
+      if(is_numeric($this->request->s)) {
+          $pagination['start'] = intval($this->request->s);
+      }
+
+      $upgrade_search = [
+          "type" => "upgrade",
+          "contract_creator_address_id" => $this->me->address_id,
+          "finish_date_null_or_gte" => date("U"),
+          "price>=" => 0
+      ];
+
+
+      $pagination["maxItems"] = ContractLinkModel::countWithContracts($upgrade_search);
+
+      $upgrades = ContractLinkModel::searchWithContracts($upgrade_search, $pagination);
+      $this->layout()->set("upgrades", $upgrades);
+      $this->layout()->set("pagination", $pagination);
+  }
   protected function addUpgrade() {
       //$this->layout()->setTemplate("Order/Productchange");
       Helper::renderVue($this, "OrderProductchange", "Neuer Produktwechsel", ["CONTRACT_API_URL" => $this->getUrl("Contract", "api"),