Add module pos_config_single_user

Several usability enhancements in sale, purchase, product and account

pos_config_single_user/__init__.py

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+# -*- coding: utf-8 -*-
+
+from . import pos

pos_config_single_user/__manifest__.py

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+# -*- coding: utf-8 -*-
+# © 2014-2016 Akretion (Alexis de Lattre <alexis.delattre@akretion.com>)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+{
+    'name': 'POS Config Single User',
+    'version': '10.0.1.0.0',
+    'category': 'Point Of Sale',
+    'license': 'AGPL-3',
+    'summary': 'Configure on each pos.config a single user allowed to start it',
+    'description': """
+POS Config Single User
+======================
+
+New parameter on pos.config: the (only) user allowed to start sessions of this pos.config.
+
+This module has been written by Alexis de Lattre from Akretion <alexis.delattre@akretion.com>.
+    """,
+    'author': 'Akretion',
+    'website': 'http://www.akretion.com',
+    'depends': ['point_of_sale'],
+    'data': ['pos_view.xml'],
+    'installable': True,
+}

pos_config_single_user/pos.py

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+# -*- coding: utf-8 -*-
+# © 2014-2016 Akretion (Alexis de Lattre <alexis.delattre@akretion.com>)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import models, fields, api, _
+from openerp.exceptions import UserError
+
+
+class PosConfig(models.Model):
+    _inherit = 'pos.config'
+
+    allowed_user_id = fields.Many2one(
+        'res.users', string="Allowed User",
+        help="If you select a user, only this user will be allowed to start "
+        "sessions for this POS", ondelete='restrict')
+
+    @api.multi
+    def open_session_cb(self):
+        self.ensure_one()
+        if (
+                self.allowed_user_id and
+                self.allowed_user_id != self.env.user):
+            raise UserError(_(
+                "The POS '%s' can be used only by user '%s'.") % (
+                    self.name,
+                    self.allowed_user_id.name))
+        return super(PosConfig, self).open_session_cb()

pos_config_single_user/pos_view.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  © 2016 Akretion (Alexis de Lattre <alexis.delattre@akretion.com>)
+  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+-->
+
+<odoo>
+
+
+<record id="view_pos_config_form" model="ir.ui.view">
+    <field name="name">pos_config_single_user.pos.config</field>
+    <field name="model">pos.config</field>
+    <field name="inherit_id" ref="point_of_sale.view_pos_config_form"/>
+    <field name="arch"  type="xml">
+        <field name="sequence_id" position="after">
+            <field name="allowed_user_id"/>
+        </field>
+    </field>
+</record>
+
+</odoo>