Fix

__init__.py

@@ -13,6 +13,7 @@ def register():
         sale.AppSaleOrder,
         sale.AppTakeOrder,
         sale.AppOrderViewer,
+        sale.AppSelfServiceSale,
         dash.DashApp,
         product.Product,
         module='dash_sale', type_='model')

dash.py

@@ -13,7 +13,9 @@ class DashApp(metaclass=PoolMeta):
             'dash.app.delivery',
             'dash.app.sale_order',
             'dash.app.take_order',
-            'dash.app.order_viewer'])
+            'dash.app.order_viewer',
+            'dash.app.self_service_sale',
+        ])
         return origins
 
     @classmethod
@@ -24,5 +26,6 @@ class DashApp(metaclass=PoolMeta):
             ('sale_order', 'Sale Order'),
             ('take_order', 'Take Order'),
             ('order_viewer', 'Order Viewer'),
+            ('self_service_sale', 'Self-Service Sale'),
         ])
         return options

party.py

@@ -1,9 +0,0 @@
-# This file is part of Tryton.  The COPYRIGHT file at the top level of
-# this repository contains the full copyright notices and license terms.
-from trytond.model import fields
-from trytond.pool import PoolMeta
-
-
-class Party(metaclass=PoolMeta):
-    __name__ = 'party.party'
-    agent = fields.Many2One('commission.agent', 'Agent')

party.xml

@@ -1,12 +0,0 @@
-<?xml version="1.0"?>
-<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
-this repository contains the full copyright notices and license terms. -->
-<tryton>
-    <data>
-        <record model="ir.ui.view" id="party_view_form">
-            <field name="model">party.party</field>
-            <field name="inherit" ref="party.party_view_form"/>
-            <field name="name">party_form</field>
-        </record>
-    </data>
-</tryton>

sale.py

@@ -466,3 +466,17 @@ class AppSaleOrder(ModelSQL, ModelView):
     @staticmethod
     def default_company():
         return Transaction().context.get('company') or None
+
+
+class AppSelfServiceSale(ModelSQL, ModelView):
+    'App Self Service Sale'
+    __name__ = 'dash.app.self_service_sale'
+    company = fields.Many2One('company.company', 'Company', required=True)
+
+    @classmethod
+    def __setup__(cls):
+        super(AppSelfServiceSale, cls).__setup__()
+
+    @staticmethod
+    def default_company():
+        return Transaction().context.get('company') or None

sale.xml

@@ -55,7 +55,7 @@ this repository contains the full copyright notices and license terms. -->
       <field name="view" ref="dash_app_sale_order_view_form"/>
       <field name="act_window" ref="act_dash_app_sale_order_form"/>
     </record>
-    <menuitem parent="dash.menu_configuration" sequence="30"
+    <menuitem parent="dash.menu_configuration" sequence="40"
       action="act_dash_app_sale_order_form" id="menu_dash_app_sale_order_form"/>
 
     <record model="ir.ui.view" id="dash_app_take_order_view_form">
@@ -82,8 +82,34 @@ this repository contains the full copyright notices and license terms. -->
       <field name="view" ref="dash_app_take_order_view_form"/>
       <field name="act_window" ref="act_dash_app_take_order_form"/>
     </record>
-    <menuitem parent="dash.menu_configuration" sequence="30"
+    <menuitem parent="dash.menu_configuration" sequence="50"
       action="act_dash_app_take_order_form" id="menu_dash_app_take_order_form"/>
 
+      <record model="ir.ui.view" id="dash_app_self_service_view_form">
+        <field name="model">dash.app.self_service_sale</field>
+        <field name="type">form</field>
+        <field name="name">app_self_service_sale_form</field>
+      </record>
+      <record model="ir.ui.view" id="dash_app_self_service_view_tree">
+        <field name="model">dash.app.self_service_sale</field>
+        <field name="type">tree</field>
+        <field name="name">app_self_service_sale_tree</field>
+      </record>
+      <record model="ir.action.act_window" id="act_dash_app_self_service_form">
+        <field name="name">App Self-Service Sale</field>
+        <field name="res_model">dash.app.self_service_sale</field>
+      </record>
+      <record model="ir.action.act_window.view" id="act_dash_app_self_service_form_view1">
+        <field name="sequence" eval="1"/>
+        <field name="view" ref="dash_app_self_service_view_tree"/>
+        <field name="act_window" ref="act_dash_app_self_service_form"/>
+      </record>
+      <record model="ir.action.act_window.view" id="act_dash_app_self_service_form_view2">
+        <field name="sequence" eval="2"/>
+        <field name="view" ref="dash_app_self_service_view_form"/>
+        <field name="act_window" ref="act_dash_app_self_service_form"/>
+      </record>
+      <menuitem parent="dash.menu_configuration" sequence="60"
+        action="act_dash_app_self_service_form" id="menu_dash_app_self_service_form"/>
   </data>
 </tryton>

tryton.cfg

@@ -1,5 +1,5 @@
 [tryton]
-version=6.0.5
+version=6.0.6
 depends:
     party
     product

view/app_self_service_sale_form.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0"?>
+<!-- This file is part sale_shop module for Tryton.
+The COPYRIGHT file at the top level of this repository contains the full copyright notices and license terms. -->
+<form>
+  <label name="company"/>
+  <field name="company" widget="selection"/>
+</form>

view/app_self_service_sale_tree.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0"?>
+<!-- This file is part sale_shop module for Tryton.
+The COPYRIGHT file at the top level of this repository contains the full copyright notices and license terms. -->
+<tree >
+  <field name="company"/>
+</tree>

view/app_take_order_form.xml

@@ -4,5 +4,4 @@ The COPYRIGHT file at the top level of this repository contains the full copyrig
 <form>
   <label name="company"/>
   <field name="company" widget="selection"/>
-
 </form>