🚑 Error during installation in multi-company mode

pos_multi_session/data/pos_multi_session_data.xml

@@ -1,19 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright 2018 Dinar Gabbasov <https://it-projects.info/team/GabbasovDinar>
+<!-- Copyright 2018-2019 Dinar Gabbasov <https://it-projects.info/team/GabbasovDinar>
      License LGPL-3.0 or later (https://www.gnu.org/licenses/lgpl.html). -->
 
 <odoo noupdate="1">
 
-    <record id="default_multi_session" model="pos.multi_session">
-        <field name="name">Default Multi Session</field>
-        <field name="multi_session_active">False</field>
-    </record>
-
-    <record id="point_of_sale.pos_config_main" model="pos.config">
-        <field name="multi_session_id" ref="default_multi_session"/>
-    </record>
-
-    <!-- Default multi session for exist POSes -->
-    <function model="pos.multi_session" name="action_set_default_multi_session" eval="[[ref('default_multi_session')]]"/>
+    <!-- Create default multi sessions for each company -->
+    <function model="pos.multi_session" name="action_set_default_multi_session" />
 
 </odoo>

pos_multi_session/demo/demo.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright 2016 Ilyas Rakhimkulov
-     Copyright 2016,2018 Dinar Gabbasov <https://it-projects.info/team/GabbasovDinar>
+     Copyright 2016,2018-2019 Dinar Gabbasov <https://it-projects.info/team/GabbasovDinar>
      Copyright 2016 Ivan Yelizariev <https://it-projects.info/team/yelizariev>
      Copyright 2017 Kolushov Alexandr <https://it-projects.info/team/KolushovAlexandr>
      License LGPL-3.0 or later (https://www.gnu.org/licenses/lgpl.html). -->
@@ -26,7 +26,6 @@
 
         <record id="partner_demo2" model="res.partner">
             <field name="name">Demo User2</field>
-            <field name="company_id" ref="base.main_company"/>
             <field name="customer" eval="False"/>
             <field name="email">demo2@yourcompany.example.com</field>
             <field name="street">Avenue des Dessus-de-Lives2, 2</field>
@@ -38,7 +37,6 @@
             <field name="login">demo2</field>
             <field name="password">demo2</field>
             <field name="signature">--Mr Demo2</field>
-            <field name="company_id" ref="base.main_company"/>
             <field name="groups_id" eval="[(6,0,[ref('base.group_user'), ref('base.group_partner_manager'), ref('point_of_sale.group_pos_user')])]"/>
             <field name="image" type="base64" file="base/static/img/user_demo-image.jpg"/>
             <field name="pos_security_pin">0410100000013</field>

pos_multi_session/doc/changelog.rst

@@ -2,6 +2,7 @@
 --------
 
 - **Fix:** Access error for poses created for different companies
+- **Fix:** Error during installation in multi-company mode
 
 `4.2.10`
 --------

pos_multi_session/models/pos_multi_session_models.py

@@ -1,7 +1,7 @@
 # Copyright 2015-2016 Ivan Yelizariev <https://it-projects.info/team/yelizariev>
 # Copyright 2016 Ilyas Rakhimkulov
 # Copyright 2017 Kolushov Alexandr <https://it-projects.info/team/KolushovAlexandr>
-# Copyright 2016-2018 Dinar Gabbasov <https://it-projects.info/team/GabbasovDinar>
+# Copyright 2016-2019 Dinar Gabbasov <https://it-projects.info/team/GabbasovDinar>
 # License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html).
 
 import logging
@@ -18,16 +18,16 @@ class PosConfig(models.Model):
     multi_session_id = fields.Many2one('pos.multi_session', 'Multi-session',
                                        help='Set the same value for POSes where orders should be synced.'
                                             'Uncheck the box "Active" if the POS should not use syncing.'
-                                            'Before updating you need to close active session',
-                                       default=lambda self: self.env.ref('pos_multi_session.default_multi_session', raise_if_not_found=False))
+                                            'Before updating you need to close active session')
     multi_session_accept_incoming_orders = fields.Boolean('Accept incoming orders', default=True)
     multi_session_replace_empty_order = fields.Boolean('Replace empty order', default=True, help='Empty order is deleted whenever new order is come from another POS')
     multi_session_deactivate_empty_order = fields.Boolean('Deactivate empty order', default=False, help='POS is switched to new foreign Order, if current order is empty')
     current_session_state = fields.Char(search='_search_current_session_state')
     sync_server = fields.Char(related='multi_session_id.sync_server')
     autostart_longpolling = fields.Boolean(default=False)
     fiscal_position_ids = fields.Many2many(related='multi_session_id.fiscal_position_ids')
-    company_id = fields.Many2one(related='multi_session_id.company_id')
+    company_id = fields.Many2one(related='multi_session_id.company_id', store=True, default=lambda self: self.env.user.company_id)
+    stock_location_id = fields.Many2one(related='multi_session_id.stock_location_id', store=True)
 
     def _search_current_session_state(self, operator, value):
         ids = map(lambda x: x.id, self.env["pos.config"].search([]))
@@ -45,6 +45,9 @@ def _search_current_session_state(self, operator, value):
 class PosMultiSession(models.Model):
     _name = 'pos.multi_session'
 
+    def _get_default_location(self):
+        return self.env['stock.warehouse'].search([('company_id', '=', self.env.user.company_id.id)], limit=1).lot_stock_id
+
     name = fields.Char('Name')
     multi_session_active = fields.Boolean(string="Active", help="Select the checkbox to enable synchronization for POSes", default=True)
     pos_ids = fields.One2many('pos.config', 'multi_session_id', string='POSes in Multi-session')
@@ -56,18 +59,34 @@ class PosMultiSession(models.Model):
                                  "It's used to prevent synchronization of old orders")
     fiscal_position_ids = fields.Many2many('account.fiscal.position', string='Fiscal Positions', ondelete="restrict")
     company_id = fields.Many2one('res.company', string='Company', required=True, default=lambda self: self.env.user.company_id)
+    stock_location_id = fields.Many2one(
+        'stock.location', string='Stock Location',
+        domain=[('usage', '=', 'internal')], required=True, default=_get_default_location)
 
-    @api.multi
+    @api.model
     def action_set_default_multi_session(self):
         """
-            during installation of the module set default multi-session
+            during installation of the module set default multi-sessions (separate default multi-session for every company)
             for all POSes for which multi_session_id is not specified
         """
-        self.ensure_one()
-        configs = self.env['pos.config'].search([('multi_session_id', '=', False)])
-        configs.write({
-            'multi_session_id': self.id
-        })
+        companies = self.env['res.company'].search([])
+        for company in companies:
+            configs = self.env['pos.config'].search([('multi_session_id', '=', False), ('company_id', '=', company.id)])
+
+            # If exist POSes with the company then we need to create default multi-session
+            if configs:
+                # Create default multi-session for current company
+                stock_location = self.env['stock.warehouse'].search([('company_id', '=', company.id)], limit=1).lot_stock_id
+                multi_session = self.create({
+                    'name': 'Default Multi Session (%s)' % company.name,
+                    'multi_session_active': False,
+                    'company_id': company.id,
+                    'stock_location_id': stock_location.id
+                })
+                for c in configs:
+                    c.write({
+                        'multi_session_id': multi_session.id
+                    })
 
     @api.multi
     def name_get(self):

pos_multi_session/views/pos_multi_session_views.xml

@@ -45,7 +45,7 @@
                             <label for="multi_session_id"/>
                             <div class="content-group">
                                 <div class="mt16 row">
-                                    <field name="multi_session_id" class="col-xs-3 col-md-3" attrs="{'readonly':[('current_session_state', '=', 'opened')]}"></field>
+                                    <field name="multi_session_id" class="col-xs-3 col-md-3" attrs="{'readonly':[('current_session_state', '=', 'opened')]}" required="True"></field>
                                 </div>
                             </div>
                         </div>