Add default next_ to change shipment state

doc/es/index.rst

@@ -21,3 +21,13 @@ Dispone de dos nuevos menús para las herramientas:
   Acceso mediante grupo "Administrador herramienta stock".
 - Defecto. Muestro todos los albaranes que se han gestionado según empleado actual (preferencias usuario).
   Acceso mediante grupo "Herramienta stock".
+
+Acciones por defecto (Nexts)
+----------------------------
+
+Se dispone de métodos "next" para proceder/continuar con el abarán para el siguiente estado:
+
+- Borrador -> En espera
+- En espera -> Asignado (assign_try)
+- Asignado -> Empaquetado
+- Empaquetado -> Realizado

doc/index.rst

@@ -18,3 +18,13 @@ There are two menus to manage Stock Tools:
 
 - All. Show all shipments managed without employee. Access "Stock Tools Administrator" group.
 - Default. Show all shipments managed with current employee (user preferences). Access "Stock Tools" group.
+
+Default Nexts
+-------------
+
+There are default nexts methods to process/continue shipment to next state:
+
+- Draft -> Waitint
+- Waiting -> Assigned (assign_try)
+- Assigned -> Packed
+- Packed -> Done

shipment.py

@@ -111,3 +111,31 @@ class ShipmentOutTool(ModelSQL, ModelView):
             if hasattr(cls, method_name):
                 getattr(cls, method_name)(tool)
         return 'new'
+
+    def next_draft(self):
+        pool = Pool()
+        Shipment = Pool().get('stock.shipment.out')
+
+        # Change new state: waiting
+        Shipment.wait([self.shipment])
+
+    def next_waiting(self):
+        pool = Pool()
+        Shipment = Pool().get('stock.shipment.out')
+
+        # Change new state: assigned
+        Shipment.assign_try([self.shipment])
+
+    def next_assigned(self):
+        pool = Pool()
+        Shipment = Pool().get('stock.shipment.out')
+
+        # Change new state: assigned
+        Shipment.pack([self.shipment])
+
+    def next_packed(self):
+        pool = Pool()
+        Shipment = Pool().get('stock.shipment.out')
+
+        # Change new state: done
+        Shipment.done([self.shipment])