[FIX] loaded orders date to local https://github.com/OCA/pos/pull/361 cortesy @chienandalu

[FIX] compatibility with pos_restaurant https://github.com/OCA/pos/pull/339 cortesy @carlosDomatix
[FIX] add _compute_refund_order_qty
[ADD] pos order view form. Add links to original returned order and refund orders.
[IMP] when refunding an order via the 'Refund' button in back office, set the correct returned_order_id.
[IMP] Add helper on each button
[ADD] python test
[REF] JS remove useless code
[REF] Python remove useless code
[FIX] remove bad oldname
[FIX] remove gap in bill display, when it is a refund
[FIX] when reprinting a bill, the returned order name is displayed, if any
[FIX] JS lint, with OCA eslint file
[ADD] french translation

pos_order_mgmt/__manifest__.py

@@ -18,6 +18,7 @@
     'data': [
         'views/assets.xml',
         'views/view_pos_config.xml',
+        'views/view_pos_order.xml',
     ],
     'qweb': [
         'static/src/xml/pos.xml'

pos_order_mgmt/i18n/fr.po

@@ -0,0 +1,249 @@
+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+#   * pos_order_mgmt
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Odoo Server 12.0\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-07-15 20:54+0000\n"
+"PO-Revision-Date: 2019-07-15 20:54+0000\n"
+"Last-Translator: <>\n"
+"Language-Team: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: \n"
+"Plural-Forms: \n"
+
+#. module: pos_order_mgmt
+#: model_terms:ir.ui.view,arch_db:pos_order_mgmt.view_pos_config_form
+msgid "Allow to duplicate done orders in this POS"
+msgstr "Autoriser à dupliquer des commandes réalisées dans l'interface tactile"
+
+#. module: pos_order_mgmt
+#: model_terms:ir.ui.view,arch_db:pos_order_mgmt.view_pos_config_form
+msgid "Allow to reprint done orders in this POS"
+msgstr "Autoriser à réimprimer des commandes réalisées dans l'interface tactile"
+
+#. module: pos_order_mgmt
+#: model_terms:ir.ui.view,arch_db:pos_order_mgmt.view_pos_config_form
+msgid "Allow to return done orders in this POS"
+msgstr "Autoriser à rembourser des commandes réalisées dans l'interface tactile"
+
+#. module: pos_order_mgmt
+#: model:ir.model.fields,help:pos_order_mgmt.field_pos_config__iface_copy_done_order
+msgid "Allows to duplicate already done orders in the frontend"
+msgstr "Autoriser à dupliquer des commandes réalisées dans l'interface tactile"
+
+#. module: pos_order_mgmt
+#: model:ir.model.fields,help:pos_order_mgmt.field_pos_config__iface_reprint_done_order
+msgid "Allows to reprint already done orders in the frontend"
+msgstr "Autoriser à réimprimer des commandes réalisées dans l'interface tactile"
+
+#. module: pos_order_mgmt
+#: model:ir.model.fields,help:pos_order_mgmt.field_pos_config__iface_return_done_order
+msgid "Allows to return already done orders in the frontend"
+msgstr "Autoriser à rembourser des commandes réalisées dans l'interface tactile"
+
+#. module: pos_order_mgmt
+#. openerp-web
+#: code:addons/pos_order_mgmt/static/src/xml/pos.xml:36
+#, python-format
+msgid "Amount Total"
+msgstr "Total"
+
+#. module: pos_order_mgmt
+#. openerp-web
+#: code:addons/pos_order_mgmt/static/src/xml/pos.xml:17
+#, python-format
+msgid "Back"
+msgstr "Retour"
+
+#. module: pos_order_mgmt
+#. openerp-web
+#: code:addons/pos_order_mgmt/static/src/js/widgets.js:341
+#: code:addons/pos_order_mgmt/static/src/js/widgets.js:396
+#, python-format
+msgid "Can not execute this action because the POS is currently offline"
+msgstr "Vous ne pouvez pas exécuter cette action, car le Point de Vente est actuellement hors ligne"
+
+#. module: pos_order_mgmt
+#. openerp-web
+#: code:addons/pos_order_mgmt/static/src/js/widgets.js:340
+#: code:addons/pos_order_mgmt/static/src/js/widgets.js:395
+#, python-format
+msgid "Connection error"
+msgstr "Erreur de connexion"
+
+#. module: pos_order_mgmt
+#. openerp-web
+#: code:addons/pos_order_mgmt/static/src/xml/pos.xml:61
+#, python-format
+msgid "Create a new order based on this one"
+msgstr "Créer une nouvelle commande basée sur celle-ci"
+
+#. module: pos_order_mgmt
+#. openerp-web
+#: code:addons/pos_order_mgmt/static/src/xml/pos.xml:64
+#, python-format
+msgid "Create a refund order of this order"
+msgstr "Rembourser cette commande"
+
+#. module: pos_order_mgmt
+#. openerp-web
+#: code:addons/pos_order_mgmt/static/src/xml/pos.xml:34
+#, python-format
+msgid "Customer"
+msgstr "Client"
+
+#. module: pos_order_mgmt
+#. openerp-web
+#: code:addons/pos_order_mgmt/static/src/xml/pos.xml:89
+#: code:addons/pos_order_mgmt/static/src/xml/pos.xml:98
+#, python-format
+msgid "DUPLICATE"
+msgstr "DUPLICATA"
+
+#. module: pos_order_mgmt
+#. openerp-web
+#: code:addons/pos_order_mgmt/static/src/xml/pos.xml:35
+#, python-format
+msgid "Date"
+msgstr "Date"
+
+#. module: pos_order_mgmt
+#: model:ir.model.fields,field_description:pos_order_mgmt.field_pos_config__iface_copy_done_order
+#: model_terms:ir.ui.view,arch_db:pos_order_mgmt.view_pos_config_form
+msgid "Duplicate Done Orders"
+msgstr "Copier une commande réalisées"
+
+#. module: pos_order_mgmt
+#: model_terms:ir.ui.view,arch_db:pos_order_mgmt.view_pos_config_form
+msgid "Load Done Order Max Qty."
+msgstr "Quantité maximale de commandes à charger"
+
+#. module: pos_order_mgmt
+#: model:ir.model.fields,field_description:pos_order_mgmt.field_pos_config__iface_load_done_order_max_qty
+msgid "Max. Done Orders Quantity To Load"
+msgstr "Quantité maximale de commandes à charger"
+
+#. module: pos_order_mgmt
+#: model:ir.model.fields,help:pos_order_mgmt.field_pos_config__iface_load_done_order_max_qty
+msgid "Maximum number of orders to load on the PoS at its init. Set it to 0 to load none (it's still possible to load them by ticket code)."
+msgstr ""
+
+#. module: pos_order_mgmt
+#: model_terms:ir.ui.view,arch_db:pos_order_mgmt.view_pos_config_form
+msgid "Maximum number orders to load"
+msgstr "Nombre maximum de commande à charger"
+
+#. module: pos_order_mgmt
+#: model:ir.model,name:pos_order_mgmt.model_pos_config
+msgid "Point of Sale Configuration"
+msgstr "Paramétrage du point de vente"
+
+#. module: pos_order_mgmt
+#: model:ir.model,name:pos_order_mgmt.model_pos_order
+msgid "Point of Sale Orders"
+msgstr "Commandes du point de vente"
+
+#. module: pos_order_mgmt
+#. openerp-web
+#: code:addons/pos_order_mgmt/static/src/xml/pos.xml:58
+#, python-format
+msgid "Print a duplicate for this order"
+msgstr "Imprimer un duplicata de cette commande"
+
+#. module: pos_order_mgmt
+#. openerp-web
+#: code:addons/pos_order_mgmt/static/src/xml/pos.xml:83
+#, python-format
+msgid "Rectifies:"
+msgstr "Rectifie : "
+
+#. module: pos_order_mgmt
+#. openerp-web
+#: code:addons/pos_order_mgmt/static/src/xml/pos.xml:33
+#, python-format
+msgid "Ref."
+msgstr "Réf."
+
+#. module: pos_order_mgmt
+#: model:ir.model.fields,field_description:pos_order_mgmt.field_pos_order__returned_order_reference
+msgid "Reference of the returned Order"
+msgstr "Réference de la vente retournée"
+
+#. module: pos_order_mgmt
+#. openerp-web
+#: code:addons/pos_order_mgmt/static/src/js/widgets.js:242
+#, python-format
+msgid "Refund "
+msgstr "Rembourse "
+
+#. module: pos_order_mgmt
+#: model:ir.model.fields,field_description:pos_order_mgmt.field_pos_order__refund_order_ids
+msgid "Refund Orders"
+msgstr "Commandes remboursées"
+
+#. module: pos_order_mgmt
+#: model:ir.model.fields,field_description:pos_order_mgmt.field_pos_order__refund_order_qty
+msgid "Refund Orders Quantity"
+msgstr "Nombre de remboursement"
+
+#. module: pos_order_mgmt
+#: model_terms:ir.ui.view,arch_db:pos_order_mgmt.view_pos_order_form
+msgid "Refunds"
+msgstr "Remboursements"
+
+#. module: pos_order_mgmt
+#: model:ir.model.fields,field_description:pos_order_mgmt.field_pos_config__iface_reprint_done_order
+#: model_terms:ir.ui.view,arch_db:pos_order_mgmt.view_pos_config_form
+msgid "Reprint Done Orders"
+msgstr "Réimprimer le ticket d'une commande réalisée"
+
+#. module: pos_order_mgmt
+#: model:ir.model.fields,field_description:pos_order_mgmt.field_pos_config__iface_return_done_order
+#: model_terms:ir.ui.view,arch_db:pos_order_mgmt.view_pos_config_form
+msgid "Return Done Orders"
+msgstr "Retourner une commande réalisée"
+
+#. module: pos_order_mgmt
+#: model:ir.model.fields,field_description:pos_order_mgmt.field_pos_order__returned_order_id
+msgid "Returned Order"
+msgstr "Commande retournée"
+
+#. module: pos_order_mgmt
+#. openerp-web
+#: code:addons/pos_order_mgmt/static/src/xml/pos.xml:74
+#, python-format
+msgid "Returned order:"
+msgstr "Commande retournée:"
+
+#. module: pos_order_mgmt
+#. openerp-web
+#: code:addons/pos_order_mgmt/static/src/xml/pos.xml:21
+#, python-format
+msgid "Search Order"
+msgstr "Recherche une commande"
+
+#. module: pos_order_mgmt
+#. openerp-web
+#: code:addons/pos_order_mgmt/static/src/js/widgets.js:358
+#, python-format
+msgid "Unable to load some order lines because the products are not available in the POS cache.\n"
+"\n"
+"Please check that lines :\n"
+"\n"
+"  * "
+msgstr "Impossible de charger certaines lignes de ticket car les produits ne sont pas disponible dans le point de vente\n"
+"Veuillez vérifier les lignes suivantes : \n"
+"\n"
+"  * "
+
+#. module: pos_order_mgmt
+#. openerp-web
+#: code:addons/pos_order_mgmt/static/src/js/widgets.js:357
+#, python-format
+msgid "Unknown Products"
+msgstr "Produit inconnu"
+

pos_order_mgmt/i18n/pos_order_mgmt.pot

@@ -1,11 +1,13 @@
 # Translation of Odoo Server.
 # This file contains the translation of the following modules:
-#	* pos_order_mgmt
+#   * pos_order_mgmt
 #
 msgid ""
 msgstr ""
-"Project-Id-Version: Odoo Server 11.0\n"
+"Project-Id-Version: Odoo Server 12.0\n"
 "Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-07-15 20:53+0000\n"
+"PO-Revision-Date: 2019-07-15 20:53+0000\n"
 "Last-Translator: <>\n"
 "Language-Team: \n"
 "MIME-Version: 1.0\n"
@@ -14,13 +16,33 @@ msgstr ""
 "Plural-Forms: \n"
 
 #. module: pos_order_mgmt
-#: model:ir.ui.view,arch_db:pos_order_mgmt.view_pos_config_form
-msgid "Allow to load done orders in this POS"
+#: model_terms:ir.ui.view,arch_db:pos_order_mgmt.view_pos_config_form
+msgid "Allow to duplicate done orders in this POS"
 msgstr ""
 
 #. module: pos_order_mgmt
-#: model:ir.model.fields,help:pos_order_mgmt.field_pos_config_iface_load_done_order
-msgid "Allows to load already done orders in the frontend to operate over them, allowing reprint the tickets, return items, etc."
+#: model_terms:ir.ui.view,arch_db:pos_order_mgmt.view_pos_config_form
+msgid "Allow to reprint done orders in this POS"
+msgstr ""
+
+#. module: pos_order_mgmt
+#: model_terms:ir.ui.view,arch_db:pos_order_mgmt.view_pos_config_form
+msgid "Allow to return done orders in this POS"
+msgstr ""
+
+#. module: pos_order_mgmt
+#: model:ir.model.fields,help:pos_order_mgmt.field_pos_config__iface_copy_done_order
+msgid "Allows to duplicate already done orders in the frontend"
+msgstr ""
+
+#. module: pos_order_mgmt
+#: model:ir.model.fields,help:pos_order_mgmt.field_pos_config__iface_reprint_done_order
+msgid "Allows to reprint already done orders in the frontend"
+msgstr ""
+
+#. module: pos_order_mgmt
+#: model:ir.model.fields,help:pos_order_mgmt.field_pos_config__iface_return_done_order
+msgid "Allows to return already done orders in the frontend"
 msgstr ""
 
 #. module: pos_order_mgmt
@@ -39,20 +61,34 @@ msgstr ""
 
 #. module: pos_order_mgmt
 #. openerp-web
-#: code:addons/pos_order_mgmt/static/src/js/widgets.js:303
-#: code:addons/pos_order_mgmt/static/src/js/widgets.js:331
+#: code:addons/pos_order_mgmt/static/src/js/widgets.js:341
+#: code:addons/pos_order_mgmt/static/src/js/widgets.js:396
 #, python-format
 msgid "Can not execute this action because the POS is currently offline"
 msgstr ""
 
 #. module: pos_order_mgmt
 #. openerp-web
-#: code:addons/pos_order_mgmt/static/src/js/widgets.js:302
-#: code:addons/pos_order_mgmt/static/src/js/widgets.js:330
+#: code:addons/pos_order_mgmt/static/src/js/widgets.js:340
+#: code:addons/pos_order_mgmt/static/src/js/widgets.js:395
 #, python-format
 msgid "Connection error"
 msgstr ""
 
+#. module: pos_order_mgmt
+#. openerp-web
+#: code:addons/pos_order_mgmt/static/src/xml/pos.xml:61
+#, python-format
+msgid "Create a new order based on this one"
+msgstr ""
+
+#. module: pos_order_mgmt
+#. openerp-web
+#: code:addons/pos_order_mgmt/static/src/xml/pos.xml:64
+#, python-format
+msgid "Create a refund order of this order"
+msgstr ""
+
 #. module: pos_order_mgmt
 #. openerp-web
 #: code:addons/pos_order_mgmt/static/src/xml/pos.xml:34
@@ -60,6 +96,14 @@ msgstr ""
 msgid "Customer"
 msgstr ""
 
+#. module: pos_order_mgmt
+#. openerp-web
+#: code:addons/pos_order_mgmt/static/src/xml/pos.xml:89
+#: code:addons/pos_order_mgmt/static/src/xml/pos.xml:98
+#, python-format
+msgid "DUPLICATE"
+msgstr ""
+
 #. module: pos_order_mgmt
 #. openerp-web
 #: code:addons/pos_order_mgmt/static/src/xml/pos.xml:35
@@ -68,31 +112,36 @@ msgid "Date"
 msgstr ""
 
 #. module: pos_order_mgmt
-#: model:ir.ui.view,arch_db:pos_order_mgmt.view_pos_config_form
-msgid "Load Done Order Max Qty."
+#: model:ir.model.fields,field_description:pos_order_mgmt.field_pos_config__iface_copy_done_order
+#: model_terms:ir.ui.view,arch_db:pos_order_mgmt.view_pos_config_form
+msgid "Duplicate Done Orders"
 msgstr ""
 
 #. module: pos_order_mgmt
-#: model:ir.model.fields,field_description:pos_order_mgmt.field_pos_config_iface_load_done_order
-#: model:ir.ui.view,arch_db:pos_order_mgmt.view_pos_config_form
-msgid "Load Done Orders"
+#: model_terms:ir.ui.view,arch_db:pos_order_mgmt.view_pos_config_form
+msgid "Load Done Order Max Qty."
 msgstr ""
 
 #. module: pos_order_mgmt
-#: model:ir.model.fields,field_description:pos_order_mgmt.field_pos_config_iface_load_done_order_max_qty
+#: model:ir.model.fields,field_description:pos_order_mgmt.field_pos_config__iface_load_done_order_max_qty
 msgid "Max. Done Orders Quantity To Load"
 msgstr ""
 
 #. module: pos_order_mgmt
-#: model:ir.model.fields,help:pos_order_mgmt.field_pos_config_iface_load_done_order_max_qty
-msgid "Maximum number of orders to load on the PoS at its init. Set it to 0 to load none (it's still posible to load them by ticket code)."
+#: model:ir.model.fields,help:pos_order_mgmt.field_pos_config__iface_load_done_order_max_qty
+msgid "Maximum number of orders to load on the PoS at its init. Set it to 0 to load none (it's still possible to load them by ticket code)."
 msgstr ""
 
 #. module: pos_order_mgmt
-#: model:ir.ui.view,arch_db:pos_order_mgmt.view_pos_config_form
+#: model_terms:ir.ui.view,arch_db:pos_order_mgmt.view_pos_config_form
 msgid "Maximum number orders to load"
 msgstr ""
 
+#. module: pos_order_mgmt
+#: model:ir.model,name:pos_order_mgmt.model_pos_config
+msgid "Point of Sale Configuration"
+msgstr ""
+
 #. module: pos_order_mgmt
 #: model:ir.model,name:pos_order_mgmt.model_pos_order
 msgid "Point of Sale Orders"
@@ -100,7 +149,14 @@ msgstr ""
 
 #. module: pos_order_mgmt
 #. openerp-web
-#: code:addons/pos_order_mgmt/static/src/xml/pos.xml:80
+#: code:addons/pos_order_mgmt/static/src/xml/pos.xml:58
+#, python-format
+msgid "Print a duplicate for this order"
+msgstr ""
+
+#. module: pos_order_mgmt
+#. openerp-web
+#: code:addons/pos_order_mgmt/static/src/xml/pos.xml:83
 #, python-format
 msgid "Rectifies:"
 msgstr ""
@@ -112,9 +168,53 @@ msgstr ""
 msgid "Ref."
 msgstr ""
 
+#. module: pos_order_mgmt
+#: model:ir.model.fields,field_description:pos_order_mgmt.field_pos_order__returned_order_reference
+msgid "Reference of the returned Order"
+msgstr ""
+
+#. module: pos_order_mgmt
+#. openerp-web
+#: code:addons/pos_order_mgmt/static/src/js/widgets.js:242
+#, python-format
+msgid "Refund "
+msgstr ""
+
+#. module: pos_order_mgmt
+#: model:ir.model.fields,field_description:pos_order_mgmt.field_pos_order__refund_order_ids
+msgid "Refund Orders"
+msgstr ""
+
+#. module: pos_order_mgmt
+#: model:ir.model.fields,field_description:pos_order_mgmt.field_pos_order__refund_order_qty
+msgid "Refund Orders Quantity"
+msgstr ""
+
+#. module: pos_order_mgmt
+#: model_terms:ir.ui.view,arch_db:pos_order_mgmt.view_pos_order_form
+msgid "Refunds"
+msgstr ""
+
+#. module: pos_order_mgmt
+#: model:ir.model.fields,field_description:pos_order_mgmt.field_pos_config__iface_reprint_done_order
+#: model_terms:ir.ui.view,arch_db:pos_order_mgmt.view_pos_config_form
+msgid "Reprint Done Orders"
+msgstr ""
+
+#. module: pos_order_mgmt
+#: model:ir.model.fields,field_description:pos_order_mgmt.field_pos_config__iface_return_done_order
+#: model_terms:ir.ui.view,arch_db:pos_order_mgmt.view_pos_config_form
+msgid "Return Done Orders"
+msgstr ""
+
+#. module: pos_order_mgmt
+#: model:ir.model.fields,field_description:pos_order_mgmt.field_pos_order__returned_order_id
+msgid "Returned Order"
+msgstr ""
+
 #. module: pos_order_mgmt
 #. openerp-web
-#: code:addons/pos_order_mgmt/static/src/xml/pos.xml:71
+#: code:addons/pos_order_mgmt/static/src/xml/pos.xml:74
 #, python-format
 msgid "Returned order:"
 msgstr ""
@@ -128,7 +228,7 @@ msgstr ""
 
 #. module: pos_order_mgmt
 #. openerp-web
-#: code:addons/pos_order_mgmt/static/src/js/widgets.js:280
+#: code:addons/pos_order_mgmt/static/src/js/widgets.js:358
 #, python-format
 msgid "Unable to load some order lines because the products are not available in the POS cache.\n"
 "\n"
@@ -139,13 +239,8 @@ msgstr ""
 
 #. module: pos_order_mgmt
 #. openerp-web
-#: code:addons/pos_order_mgmt/static/src/js/widgets.js:279
+#: code:addons/pos_order_mgmt/static/src/js/widgets.js:357
 #, python-format
 msgid "Unknown Products"
 msgstr ""
 
-#. module: pos_order_mgmt
-#: model:ir.model,name:pos_order_mgmt.model_pos_config
-msgid "pos.config"
-msgstr ""
-

pos_order_mgmt/models/pos_config.py

@@ -14,14 +14,12 @@ class PosConfig(models.Model):
         string='Reprint Done Orders',
         default=True,
         help='Allows to reprint already done orders in the frontend',
-        oldname='iface_load_done_order',
     )
 
     iface_return_done_order = fields.Boolean(
         string='Return Done Orders',
         default=True,
         help='Allows to return already done orders in the frontend',
-        oldname='iface_load_done_order',
     )
 
     iface_copy_done_order = fields.Boolean(
@@ -35,6 +33,6 @@ class PosConfig(models.Model):
         default=10,
         required=True,
         help='Maximum number of orders to load on the PoS at its init. '
-             'Set it to 0 to load none (it\'s still posible to load them by '
+             'Set it to 0 to load none (it\'s still possible to load them by '
              'ticket code).',
     )

pos_order_mgmt/models/pos_order.py

@@ -13,17 +13,56 @@ class PosOrder(models.Model):
         string='Returned Order',
         readonly=True,
     )
+
+    returned_order_reference = fields.Char(
+        related='returned_order_id.pos_reference',
+        string='Reference of the returned Order')
+
     refund_order_ids = fields.One2many(
         comodel_name='pos.order',
         inverse_name='returned_order_id',
         string='Refund Orders',
         readonly=True,
     )
+
     refund_order_qty = fields.Integer(
         compute='_compute_refund_order_qty',
         string='Refund Orders Quantity',
     )
 
+    @api.multi
+    @api.depends('refund_order_ids')
+    def _compute_refund_order_qty(self):
+        for order in self:
+            order.refund_order_qty = len(order.refund_order_ids)
+
+    @api.multi
+    def action_view_refund_orders(self):
+        self.ensure_one()
+
+        action = self.env.ref('point_of_sale.action_pos_pos_form').read()[0]
+
+        if self.refund_order_qty == 1:
+            action['views'] = [
+                (self.env.ref('point_of_sale.view_pos_pos_form').id, 'form')]
+            action['res_id'] = self.refund_order_ids.ids[0]
+        else:
+            action['domain'] = [('id', 'in', self.refund_order_ids.ids)]
+        return action
+
+    @api.multi
+    def refund(self):
+        return super(PosOrder, self.with_context(refund=True)).refund()
+
+    @api.multi
+    @api.returns('self', lambda value: value.id)
+    def copy(self, default=None):
+        self.ensure_one()
+        order = super().copy(default=default)
+        if self.env.context.get('refund', False):
+            order.returned_order_id = self.id
+        return order
+
     @api.model
     def _prepare_filter_for_pos(self, pos_session_id):
         return [
@@ -43,9 +82,7 @@ class PosOrder(models.Model):
     def _prepare_fields_for_pos_list(self):
         return [
             'name', 'pos_reference', 'partner_id', 'date_order',
-            'amount_total', 'amount_paid', 'amount_return', 'session_id',
-            'amount_tax', 'statement_ids', 'lines', 'invoice_id',
-            'returned_order_id', 'fiscal_position_id'
+            'amount_total',
         ]
 
     @api.model
@@ -76,7 +113,7 @@ class PosOrder(models.Model):
             payment_line = self._prepare_done_order_payment_for_pos(
                 payment_line)
             payment_lines.append(payment_line)
-        return {
+        res = {
             'id': self.id,
             'date_order': self.date_order,
             'pos_reference': self.pos_reference,
@@ -85,11 +122,11 @@ class PosOrder(models.Model):
             'fiscal_position': self.fiscal_position_id.id,
             'line_ids': order_lines,
             'statement_ids': payment_lines,
-            'origin_invoice_id': bool(self.invoice_id),
-            'returned_order_id': (self.returned_order_id and
-                                  self.returned_order_id.pos_reference or
-                                  False),
+            'to_invoice': bool(self.invoice_id),
+            'returned_order_id': self.returned_order_id.id,
+            'returned_order_reference': self.returned_order_reference,
         }
+        return res
 
     @api.multi
     def _prepare_done_order_line_for_pos(self, order_line):
@@ -115,17 +152,9 @@ class PosOrder(models.Model):
         return self._prepare_done_order_for_pos()
 
     @api.model
-    def _process_order(self, pos_order):
-        if (not pos_order.get('return') or
-                not pos_order.get('returned_order_id')):
-            return super()._process_order(pos_order)
-        order = super(PosOrder, self)._process_order(pos_order)
-        returned_order_id = pos_order.get('returned_order_id')
-        if isinstance(returned_order_id, int):
-            order.returned_order_id = self.browse(returned_order_id)
-        # Only if the order is returned from the browser saved orders.
-        else:
-            order.returned_order_id = self.search([
-                ('pos_reference', '=', returned_order_id)])
-        order.returned_order_id.refund_order_ids |= order
-        return order
+    def _order_fields(self, ui_order):
+        res = super()._order_fields(ui_order)
+        res.update({
+            'returned_order_id': ui_order.get('returned_order_id', False),
+        })
+        return res

pos_order_mgmt/static/src/css/pos.css

@@ -31,4 +31,5 @@
     padding: 8px 0;
     background-color: rgb(239, 153, 65);
     color: white;
+    text-align: center;
 }

pos_order_mgmt/static/src/js/models.js

@@ -6,40 +6,24 @@ odoo.define('pos_order_mgmt.models', function (require) {
 
     var models = require('point_of_sale.models');
 
-    var _PosModel_push_order = models.PosModel.prototype.push_order;
-    models.PosModel.prototype.push_order = function () {
-        var res = _PosModel_push_order.apply(this, arguments);
-        if (arguments.length && arguments[0] && arguments[0].uid) {
-            var order = this.db.get_order(arguments[0].uid);
-            if (order && order.data) {
-                var data = _.extend({}, order.data);
-                var partner = this.db.get_partner_by_id(data.partner_id);
-                if (partner && partner.id && partner.name) {
-                    data.partner_id = [partner.id, partner.name];
-                }
-                data.date_order = moment(order.data.creation_date)
-                    .format('YYYY-MM-DD HH:mm:ss');
-                this.gui.screen_instances.orderlist.orders.unshift(data);
-            }
-        }
-        return res;
-    };
-
     var order_super = models.Order.prototype;
+
     models.Order = models.Order.extend({
         init_from_JSON: function (json) {
             order_super.init_from_JSON.apply(this, arguments);
-            this.return = json.return;
             this.returned_order_id = json.returned_order_id;
-            this.origin_name = json.origin_name;
+            this.returned_order_reference = json.returned_order_reference;
         },
         export_as_JSON: function () {
             var res = order_super.export_as_JSON.apply(this, arguments);
-            if (this.return) {
-                res.origin_name = this.origin_name;
-                res.returned_order_id = this.returned_order_id;
-                res.return = this.return;
-            }
+            res.returned_order_id = this.returned_order_id;
+            res.returned_order_reference = this.returned_order_reference;
+            return res;
+        },
+        export_for_printing: function () {
+            var res = order_super.export_for_printing.apply(this, arguments);
+            res.returned_order_id = this.returned_order_id;
+            res.returned_order_reference = this.returned_order_reference;
             return res;
         },
     });

pos_order_mgmt/static/src/js/widgets.js

@@ -65,9 +65,10 @@ odoo.define('pos_order_mgmt.widgets', function (require) {
 
         show: function () {
             var self = this;
-            var previous_screen;
+            var previous_screen = false;
             if (this.pos.get_order()) {
-                previous_screen = this.pos.get_order().get_screen_data('previous-screen');
+                previous_screen = this.pos.get_order().get_screen_data(
+                    'previous-screen');
             }
             if (previous_screen === 'receipt') {
                 this.gui.screen_instances.receipt.click_next();
@@ -80,12 +81,14 @@ odoo.define('pos_order_mgmt.widgets', function (require) {
                 return self.gui.show_screen(self.gui.startup_screen);
             });
 
-            if (this.pos.config.iface_vkeyboard && this.chrome.widget.keyboard) {
-                this.chrome.widget.keyboard.connect(this.$('.searchbox input'));
+            if (this.pos.config.iface_vkeyboard &&
+                this.chrome.widget.keyboard) {
+                this.chrome.widget.keyboard.connect(
+                    this.$('.searchbox input'));
             }
 
             var search_timeout = null;
-            this.$('.searchbox input').on('keyup', function (event) {
+            this.$('.searchbox input').on('keyup', function () {
                 self.search_query = this.value;
                 clearTimeout(search_timeout);
                 search_timeout = setTimeout(function () {
@@ -105,9 +108,12 @@ odoo.define('pos_order_mgmt.widgets', function (require) {
             var orders = this.orders;
             var contents = this.$el[0].querySelector('.order-list-contents');
             contents.innerHTML = "";
-            for (var i = 0, len = Math.min(orders.length, 1000); i < len; i++) {
+            for (
+                var i = 0, len = Math.min(orders.length, 1000); i < len; i++
+            ) {
                 var order = orders[i];
-                var orderline = this.order_cache.get_node(order.id || order.uid);
+                var orderline = this.order_cache.get_node(
+                    order.id || order.uid);
                 if (!orderline) {
                     var orderline_html = QWeb.render('OrderLine', {
                         widget: this,
@@ -116,7 +122,8 @@ odoo.define('pos_order_mgmt.widgets', function (require) {
                     orderline = document.createElement('tbody');
                     orderline.innerHTML = orderline_html;
                     orderline = orderline.childNodes[1];
-                    this.order_cache.cache_node(order.id || order.uid, orderline);
+                    this.order_cache.cache_node(
+                        order.id || order.uid, orderline);
                 }
                 if (order === this.old_order) {
                     orderline.classList.add('highlight');
@@ -130,54 +137,50 @@ odoo.define('pos_order_mgmt.widgets', function (require) {
             this.$('.order-list-return').off('click');
             this.$('.order-list-reprint').off('click');
             this.$('.order-list-copy').off('click');
-            this.$('.order-list-return').click(function (event) {
-                self.order_list_actions(event, 'return');
-            });
             this.$('.order-list-reprint').click(function (event) {
                 self.order_list_actions(event, 'print');
             });
-            this.$('.order-list-copy').click(function(event) {
+            this.$('.order-list-copy').click(function (event) {
                 self.order_list_actions(event, 'copy');
             });
+            this.$('.order-list-return').click(function (event) {
+                self.order_list_actions(event, 'return');
+            });
         },
 
         order_list_actions: function (event, action) {
             var self = this;
-            var order_data;
             var dataset = event.target.parentNode.dataset;
-            if (dataset.orderId) {
-                self.load_order_data(parseInt(dataset.orderId, 10))
-                .then(function(order_data) {
+            self.load_order_data(parseInt(dataset.orderId, 10))
+                .then(function (order_data) {
                     self.order_action(order_data, action);
-                })
-            } else {
-                _.each(this.orders, function (order_data) {
-                    if (order.uid === dataset.uid) {
-                        self.order_action(order_data, action);
-                    }
                 });
-            }
         },
 
-        order_action: function(order_data, action) {
-            this.gui.back();
-            this['action_' + action](order_data);
+        order_action: function (order_data, action) {
+            if (this.old_order !== null) {
+                this.gui.back();
+            }
+            var order = this.load_order_from_data(order_data, action);
+            if (!order) {
+                // The load of the order failed. (products not found, ...
+                // We cancel the action
+                return;
+            }
+            this['action_' + action](order_data, order);
         },
 
-        action_print: function (order_data) {
-            var order = this.load_order_from_data(order_data, true);
-            if (!order) return false;
-            // Restore the previous name
-            order.name = order_data.pos_reference || order_data.name;
-            var receipt = order.export_for_printing();
+        action_print: function (order_data, order) {
             // We store temporarily the current order so we can safely compute
             // taxes based on fiscal position
-            this.pos.current_order = this.pos.get_order()
+            this.pos.current_order = this.pos.get_order();
+
             this.pos.set_order(order);
+
             if (this.pos.config.iface_print_via_proxy) {
                 this.pos.proxy.print_receipt(QWeb.render(
                     'XmlReceipt', {
-                        receipt: receipt,
+                        receipt: order.export_for_printing(),
                         widget: this,
                         pos: this.pos,
                         order: order,
@@ -193,57 +196,33 @@ odoo.define('pos_order_mgmt.widgets', function (require) {
             }
         },
 
-        action_copy: function(order_data) {
-            // Remove payments from original data
-            order_data.statement_ids = false;
-            var order = this.load_order_from_data(order_data, true);
-            if (!order) { return false; }
-            // If previous order was invoiced, we need a refund too
-            order.set_to_invoice(order_data.origin_invoice_id);
-            order.formatted_validation_date = false;
+        action_copy: function (order_data, order) {
             order.trigger('change');
             this.pos.get('orders').add(order);
             this.pos.set('selectedOrder', order);
             return order;
         },
 
-        action_return: function (order_data) {
-            //var order_data = _.cloneDeep(order_data);
-            // Remove payments from original data
-            order_data.statement_ids = false;
-            // Invert line quantities
-            var order_lines = order_data.line_ids || order_data.lines || [];
-            _.each(order_lines, function(line) { line.qty = -1 * line.qty })
-            // Load from new data and change some stuff
-            var order = this.load_order_from_data(order_data);
-            if (!order) { return false; }
-            order.return = true;
-            order.name = _t("Refund ") + order.uid;;
-            order.origin_name = order_data.pos_reference || order.returned_order_id;
-            // If previous order was invoiced, we need a refund too
-            order.set_to_invoice(order_data.origin_invoice_id);
-            order.formatted_validation_date = false;
+        action_return: function (order_data, order) {
             order.trigger('change');
-            // Add to pos
             this.pos.get('orders').add(order);
             this.pos.set('selectedOrder', order);
             return order;
         },
 
-        _prepare_order_from_order_data: function (order_data, temporary) {
+        _prepare_order_from_order_data: function (order_data, action) {
             var self = this;
             var order = new pos.Order({}, {
                 pos: this.pos,
-                temporary: !!temporary,
             });
 
-            if (order_data.partner_id.length) {
-                order_data.partner_id = order_data.partner_id[0];
+            // Get Customer
+            if (order_data.partner_id) {
+                order.set_client(
+                    this.pos.db.get_partner_by_id(order_data.partner_id));
             }
 
-            order.set_client(this.pos.db.get_partner_by_id(order_data.partner_id));
-
-            // Set fiscal position
+            // Get fiscal position
             if (order_data.fiscal_position && this.pos.fiscal_positions) {
                 var fiscal_positions = this.pos.fiscal_positions;
                 order.fiscal_position = fiscal_positions.filter(function (p) {
@@ -252,40 +231,71 @@ odoo.define('pos_order_mgmt.widgets', function (require) {
                 order.trigger('change');
             }
 
-            // Set order lines
-            var orderLines = order_data.line_ids || order_data.lines || [];
-            self._prepare_orderlines_from_order_data(order, order_data, orderLines);
+            // Get order lines
+            self._prepare_orderlines_from_order_data(
+                order, order_data, action);
 
-            if (order_data.returned_order_id) {
-                order.origin_name = order_data.returned_order_id;
+            // Get Name
+            if (['print'].indexOf(action) !== -1) {
+                order.name = order_data.pos_reference;
+            } else if (['return'].indexOf(action) !== -1) {
+                order.name = _t("Refund ") + order.uid;
             }
 
-            order.formatted_validation_date = moment(order_data.date_order).format('YYYY-MM-DD HH:mm:ss');
+            // Get to invoice
+            if (['return', 'copy'].indexOf(action) !== -1) {
+                // If previous order was invoiced, we need a refund too
+                order.set_to_invoice(order_data.to_invoice);
+            }
 
-            // Set Payment lines
-            var paymentLines = order_data.statement_ids || [];
-            _.each(paymentLines, function (paymentLine) {
-                var line = paymentLine;
-                // In case of local data
-                if (line.length === 3) {
-                    line = line[2];
-                }
-                _.each(self.pos.cashregisters, function (cashregister) {
-                  if (cashregister.journal.id === line.journal_id) {
-                        if (line.amount > 0) {
-                            // If it is not change
-                            order.add_paymentline(cashregister);
-                            order.selected_paymentline.set_amount(line.amount);
-                        }
+            // Get returned Order
+            if (['print'].indexOf(action) !== -1) {
+                // Get the same value as the original
+                order.returned_order_id = order_data.returned_order_id;
+                order.returned_order_reference =
+                order_data.returned_order_reference;
+            } else if (['return'].indexOf(action) !== -1) {
+                order.returned_order_id = order_data.id;
+                order.returned_order_reference = order_data.pos_reference;
+            }
+
+            // Get Date
+            if (['print'].indexOf(action) !== -1) {
+                order.formatted_validation_date =
+                moment(order_data.date_order).format('YYYY-MM-DD HH:mm:ss');
+            }
+
+            // Get Payment lines
+            if (['print'].indexOf(action) !== -1) {
+                var paymentLines = order_data.statement_ids || [];
+                _.each(paymentLines, function (paymentLine) {
+                    var line = paymentLine;
+                    // In case of local data
+                    if (line.length === 3) {
+                        line = line[2];
                     }
+                    _.each(self.pos.cashregisters, function (cashregister) {
+                        if (cashregister.journal.id === line.journal_id) {
+                            if (line.amount > 0) {
+                                // If it is not change
+                                order.add_paymentline(cashregister);
+                                order.selected_paymentline.set_amount(
+                                    line.amount);
+                            }
+                        }
+                    });
                 });
-            });
+            }
             return order;
         },
 
-        _prepare_orderlines_from_order_data: function(order, order_data, orderLines) {
+        _prepare_orderlines_from_order_data: function (
+            order, order_data, action) {
+            var orderLines = order_data.line_ids || order_data.lines || [];
+
             var self = this;
-            _.each(orderLines, function(line) {
+            _.each(orderLines, function (orderLine) {
+                var line = orderLine;
                 // In case of local data
                 if (line.length === 3) {
                     line = line[2];
@@ -295,10 +305,15 @@ odoo.define('pos_order_mgmt.widgets', function (require) {
                 if (_.isUndefined(product)) {
                     self.unknown_products.push(String(line.product_id));
                 } else {
+                    var qty = line.qty;
+                    if (['return'].indexOf(action) !== -1) {
+                        // Invert line quantities
+                        qty *= -1;
+                    }
                     // Create a new order line
                     order.add_product(product, {
                         price: line.price_unit,
-                        quantity: line.qty,
+                        quantity: qty,
                         discount: line.discount,
                         merge: false,
                     });
@@ -306,13 +321,13 @@ odoo.define('pos_order_mgmt.widgets', function (require) {
             });
         },
 
-        load_order_data: function(order_id) {
+        load_order_data: function (order_id) {
             var self = this;
             return this._rpc({
                 model: 'pos.order',
                 method: 'load_done_order_for_pos',
                 args: [order_id],
-            }).fail(function (error, event) {
+            }).fail(function (error) {
                 if (parseInt(error.code, 10) === 200) {
                     // Business Logic Error, not a connection problem
                     self.gui.show_popup(
@@ -323,45 +338,33 @@ odoo.define('pos_order_mgmt.widgets', function (require) {
                 } else {
                     self.gui.show_popup('error', {
                         'title': _t('Connection error'),
-                        'body': _t('Can not execute this action because the POS is currently offline'),
+                        'body': _t(
+                            'Can not execute this action because the POS' +
+                            ' is currently offline'),
                     });
                 }
             });
         },
 
-        load_order_from_data: function(order_data) {
+        load_order_from_data: function (order_data, action) {
             var self = this;
             this.unknown_products = [];
-            var order = self._prepare_order_from_order_data(order_data);
+            var order = self._prepare_order_from_order_data(
+                order_data, action);
             // Forbid POS Order loading if some products are unknown
             if (self.unknown_products.length > 0) {
                 self.gui.show_popup('error-traceback', {
                     'title': _t('Unknown Products'),
                     'body': _t('Unable to load some order lines because the ' +
                         'products are not available in the POS cache.\n\n' +
-                        'Please check that lines :\n\n  * ') + self.unknown_products.join("; \n  *"),
+                        'Please check that lines :\n\n  * ') +
+                    self.unknown_products.join("; \n  *"),
                 });
                 return false;
             }
             return order;
         },
 
-        /* deprecated */
-        load_order: function (order_id) {
-            var self = this;
-            var done = new $.Deferred();
-            this.load_order_data(order_id)
-            .then(function(order_data) {
-                self.gui.show_screen('orderlist');
-                var order = self.load_order_from_data(order_data);
-                if (!order) { return done.fail(); }
-                done.resolve(order);
-            }).fail(function() {
-                done.fail();
-            });
-            return done;
-        },
-
         // Search Part
         search_done_orders: function (query) {
             var self = this;
@@ -371,6 +374,13 @@ odoo.define('pos_order_mgmt.widgets', function (require) {
                 args: [query || '', this.pos.pos_session.id],
             }).then(function (result) {
                 self.orders = result;
+                // Get the date in local time
+                _.each(self.orders, function (order) {
+                    if (order.date_order) {
+                        order.date_order = moment.utc(order.date_order)
+                            .local().format('YYYY-MM-DD HH:mm:ss');
+                    }
+                });
             }).fail(function (error, event) {
                 if (parseInt(error.code, 10) === 200) {
                     // Business Logic Error, not a connection problem
@@ -383,17 +393,21 @@ odoo.define('pos_order_mgmt.widgets', function (require) {
                 } else {
                     self.gui.show_popup('error', {
                         'title': _t('Connection error'),
-                        'body': _t('Can not execute this action because the POS is currently offline'),
+                        'body': _t(
+                            'Can not execute this action because the POS' +
+                            ' is currently offline'),
                     });
                 }
                 event.preventDefault();
             });
         },
 
-        perform_search: function() {
+        perform_search: function () {
             var self = this;
             return this.search_done_orders(self.search_query)
-                .done(function () { self.render_list(); });
+                .done(function () {
+                    self.render_list();
+                });
         },
 
         clear_search: function () {

pos_order_mgmt/static/src/xml/pos.xml

@@ -55,13 +55,13 @@
             <td name="td_ol_date"><t t-esc='order.date_order' /></td>
             <td name="td_ol_amount_total"><t t-esc='widget.format_currency(order.amount_total)' /></td>
             <td name="td_ol_reprint" t-att-data-order-id="order.id" t-att-data-Uid='order.uid'>
-                <span t-if="widget.pos.config.iface_reprint_done_order" class="button order-list-reprint" t-att-data-order-id="order.id" t-att-data-Uid='order.uid'>
+                <span t-if="widget.pos.config.iface_reprint_done_order" class="button order-list-reprint" t-att-data-order-id="order.id" t-att-data-Uid='order.uid' title="Print a duplicate for this order">
                     <i class='fa fa-fw fa-print'/>
                 </span>
-                <span t-if="widget.pos.config.iface_copy_done_order" class="button order-list-copy" t-att-data-order-id="order.id" t-att-data-Uid='order.uid'>
+                <span t-if="widget.pos.config.iface_copy_done_order" class="button order-list-copy" t-att-data-order-id="order.id" t-att-data-Uid='order.uid' title="Create a new order based on this one">
                     <i class='fa fa-fw fa-copy'/>
                 </span>
-                <span t-if="widget.pos.config.iface_return_done_order and order.amount_total >= 0" class="button order-list-return" t-att-data-order-id="order.id" t-att-data-Uid='order.uid'>
+                <span t-if="widget.pos.config.iface_return_done_order and order.amount_total >= 0" class="button order-list-return" t-att-data-order-id="order.id" t-att-data-Uid='order.uid' title="Create a refund order of this order">
                     <i class='fa fa-fw fa-undo'/>
                 </span>
             </td>
@@ -69,18 +69,18 @@
     </t>
 
     <t t-extend="OrderWidget">
-        <t t-jquery=".order-scroller.touch-scrollable" t-operation="before">
-            <div class="order-returned-warning" t-if="order.return">
-                <span>Returned order: </span><t name="order-return-uid" t-esc="order.origin_name"></t>
+        <t t-jquery=".summary" t-operation="after">
+            <div class="order-returned-warning" t-if="order.returned_order_id">
+                <span>Returned order: </span><t name="returned-order-reference" t-esc="order.returned_order_reference"></t>
             </div>
         </t>
     </t>
 
     <t t-extend="PosTicket">
         <t t-jquery="t[t-esc='order.name']" t-operation="after">
-            <t t-if="order.origin_name">
+            <t t-if="order.returned_order_id">
                 <br/>
-                    <span name="order-origin-name">Rectifies: </span><t t-esc="order.origin_name"/>
+                    <span name="returned-order-reference">Rectifies: </span><t t-esc="order.returned_order_reference"/>
             </t>
         </t>
         <t t-jquery=".receipt-user" t-operation="after">

pos_order_mgmt/tests/__init__.py

@@ -0,0 +1 @@
+from . import test_module

pos_order_mgmt/tests/test_module.py

@@ -0,0 +1,80 @@
+# Copyright (C) 2019 - Today: GRAP (http://www.grap.coop)
+# @author: Sylvain LE GAL (https://twitter.com/legalsylvain)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from odoo import fields
+from odoo.tests.common import TransactionCase
+
+
+class TestModule(TransactionCase):
+
+    def setUp(self):
+        super(TestModule, self).setUp()
+
+        # Get Registry
+        self.PosOrder = self.env['pos.order']
+        self.AccountPayment = self.env['account.payment']
+
+        # Get Object
+        self.pos_product = self.env.ref('point_of_sale.whiteboard_pen')
+        self.pricelist = self.env.ref('product.list0')
+        self.partner = self.env.ref('base.res_partner_12')
+
+        # Create a new pos config and open it
+        self.pos_config = self.env.ref('point_of_sale.pos_config_main').copy()
+        self.pos_config.open_session_cb()
+
+    # Test Section
+    def test_load_order(self):
+        order = self._create_order()
+        orders_data = self.PosOrder.search_done_orders_for_pos(
+            [], self.pos_config.current_session_id.id)
+        self.assertEqual(len(orders_data), 1)
+        self.assertEqual(
+            orders_data[0]['id'], order.id)
+
+        detail_data = order.load_done_order_for_pos()
+        self.assertEqual(
+            len(detail_data.get('line_ids', [])), 1,
+            "Loading order detail failed")
+
+    def _create_order(self):
+        # Create order
+        order_data = {
+            'id': u'0006-001-0010',
+            'to_invoice': True,
+            'data': {
+                'pricelist_id': self.pricelist.id,
+                'user_id': 1,
+                'name': 'Order 0006-001-0010',
+                'partner_id': self.partner.id,
+                'amount_paid': 0.9,
+                'pos_session_id': self.pos_config.current_session_id.id,
+                'lines': [[0, 0, {
+                    'product_id': self.pos_product.id,
+                    'price_unit': 0.9,
+                    'qty': 1,
+                    'price_subtotal': 0.9,
+                    'price_subtotal_incl': 0.9,
+                }]],
+                'statement_ids': [[0, 0, {
+                    'journal_id': self.pos_config.journal_ids[0].id,
+                    'amount': 0.9,
+                    'name': fields.Datetime.now(),
+                    'account_id':
+                    self.env.user.partner_id.property_account_receivable_id.id,
+                    'statement_id':
+                    self.pos_config.current_session_id.statement_ids[0].id,
+                }]],
+                'creation_date': u'2018-09-27 15:51:03',
+                'amount_tax': 0,
+                'fiscal_position_id': False,
+                'uid': u'00001-001-0001',
+                'amount_return': 0,
+                'sequence_number': 1,
+                'amount_total': 0.9,
+            }}
+
+        result = self.PosOrder.create_from_ui([order_data])
+        order = self.PosOrder.browse(result[0])
+        return order

pos_order_mgmt/views/view_pos_config.xml

@@ -6,7 +6,6 @@
 <odoo>
 
     <record id="view_pos_config_form" model="ir.ui.view">
-        <field name="name">pos.config.form</field>
         <field name="model">pos.config</field>
         <field name="inherit_id" ref="point_of_sale.pos_config_view_form"/>
         <field name="arch" type="xml">

pos_order_mgmt/views/view_pos_order.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Copyright 2018 GRAP - Sylvain LE GAL
+     License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+-->
+<odoo>
+
+    <record id="view_pos_order_form" model="ir.ui.view">
+        <field name="model">pos.order</field>
+        <field name="inherit_id" ref="point_of_sale.view_pos_pos_form"/>
+        <field name="arch" type="xml">
+            <field name="session_id" position="after">
+                <field name="returned_order_id" attrs="{'invisible': [('returned_order_id', '=', False)]}" />
+            </field>
+            <xpath expr="//div[@name='button_box']" position="inside">
+                <button name="action_view_refund_orders" type="object" icon="fa-undo" class="oe_stat_button" attrs="{'invisible': [('refund_order_qty', '=', 0)]}">
+                    <field string="Refunds" name="refund_order_qty" widget="statinfo"/>
+                </button>
+            </xpath>
+        </field>
+    </record>
+
+</odoo>