Fix

booking.py

@@ -174,6 +174,7 @@ class Booking(Workflow, ModelSQL, ModelView):
             ('cancelled', 'offer'),
             ('confirmed', 'cancelled'),
             ('confirmed', 'not_show'),
+            ('confirmed', 'finished'),
             ('not_show', 'confirmed'),
         ))
         cls._buttons.update({
@@ -188,7 +189,7 @@ class Booking(Workflow, ModelSQL, ModelView):
                     ['cancelled', 'not_show', 'finished'])
             },
             'offer': {
-                'invisible': Eval('state').in_(['offer', 'confirmed'])
+                'invisible': Eval('state').in_(['offer', 'finished'])
             },
             'confirm': {
                 'invisible': ~Eval('state').in_(['offer', 'not_show'])
@@ -234,9 +235,8 @@ class Booking(Workflow, ModelSQL, ModelView):
             default = {}
         default = default.copy()
         default['number'] = None
-        default['state'] = 'offer'
         default['booking_date'] = datetime.now()
-        default['moves'] = None
+        default['payments'] = None
         return super(Booking, cls).copy(bookings, default=default)
 
     def get_stock_moves(self, name=None):
@@ -661,6 +661,7 @@ class Booking(Workflow, ModelSQL, ModelView):
     @classmethod
     def _get_invoice_line(cls, invoice, line, record=None):
         product = line['product']
+        print(' line taxes....', line['taxes'])
         new_line = {
             'type': 'line',
             'invoice': invoice.id,
@@ -672,7 +673,7 @@ class Booking(Workflow, ModelSQL, ModelView):
             'product': product.id,
             'party': invoice.party.id,
             'description': line['description'],
-            'taxes': line['taxes'],
+            'taxes': [('add', line['taxes'])],
             'origin': line['origin'],
         }
         # if not line['taxes_exception']:

view/booking_form.xml

@@ -30,11 +30,10 @@ this repository contains the full copyright notices and license terms. -->
     <field name="price_list" widget="selection"/>
     <label name="payment_term"/>
     <field name="payment_term" widget="selection"/>
-    <newline />
-    <button name="do_payment" colspan="2" string="Pay / Advance" icon="tryton-currency"/>
-    <button name="select_rooms" colspan="2" string="Rooms" icon="tryton-board"/>
-    <button name="send_email" string="Send Email" icon="tryton-email"/>
-    <group col="2" id="taxes_exception">
+    <group col="5" id="actions_taxes" colspan="6">
+      <button name="do_payment" string="Pay / Advance" icon="tryton-currency"/>
+      <button name="select_rooms" string="Rooms" icon="tryton-board"/>
+      <button name="send_email" string="Send Email" icon="tryton-email"/>
       <label name="taxes_exception"/>
       <field name="taxes_exception"/>
     </group>