From e3774cfd3c52dd332bb825b3023ab51f5385530d Mon Sep 17 00:00:00 2001
From: Enric Tobella <etobella@creublanca.es>
Date: Thu, 28 Sep 2017 18:20:03 +0200
Subject: [PATCH] [ADD] PoS session pay invoice module

---
 .gitignore                                    |   1 +
 account_cash_invoice/README.rst               |  57 ++++++++++
 account_cash_invoice/__init__.py              |   5 +
 account_cash_invoice/__manifest__.py          |  21 ++++
 account_cash_invoice/models/__init__.py       |   4 +
 .../models/account_bank_statement_line.py     |  35 ++++++
 .../static/description/icon.png               | Bin 0 -> 9455 bytes
 account_cash_invoice/tests/__init__.py        |   4 +
 .../tests/test_pay_invoice.py                 |  81 ++++++++++++++
 account_cash_invoice/wizard/__init__.py       |   5 +
 .../wizard/cash_invoice_in.py                 | 100 +++++++++++++++++
 .../wizard/cash_invoice_in.xml                |  49 +++++++++
 .../wizard/cash_invoice_out.py                | 104 ++++++++++++++++++
 .../wizard/cash_invoice_out.xml               |  48 ++++++++
 pos_session_pay_invoice/README.rst            |  56 ++++++++++
 pos_session_pay_invoice/__init__.py           |   4 +
 pos_session_pay_invoice/__manifest__.py       |  23 ++++
 .../static/description/icon.png               | Bin 0 -> 9455 bytes
 pos_session_pay_invoice/tests/__init__.py     |   4 +
 .../tests/test_pay_invoice.py                 |  86 +++++++++++++++
 .../views/account_bank_statement.xml          |  21 ++++
 pos_session_pay_invoice/views/pos_session.xml |  43 ++++++++
 pos_session_pay_invoice/wizard/__init__.py    |   5 +
 .../wizard/cash_invoice_in.py                 |  56 ++++++++++
 .../wizard/cash_invoice_in.xml                |  12 ++
 .../wizard/cash_invoice_out.py                |  53 +++++++++
 .../wizard/cash_invoice_out.xml               |  12 ++
 27 files changed, 889 insertions(+)
 create mode 100644 account_cash_invoice/README.rst
 create mode 100644 account_cash_invoice/__init__.py
 create mode 100644 account_cash_invoice/__manifest__.py
 create mode 100644 account_cash_invoice/models/__init__.py
 create mode 100644 account_cash_invoice/models/account_bank_statement_line.py
 create mode 100644 account_cash_invoice/static/description/icon.png
 create mode 100644 account_cash_invoice/tests/__init__.py
 create mode 100644 account_cash_invoice/tests/test_pay_invoice.py
 create mode 100644 account_cash_invoice/wizard/__init__.py
 create mode 100644 account_cash_invoice/wizard/cash_invoice_in.py
 create mode 100644 account_cash_invoice/wizard/cash_invoice_in.xml
 create mode 100644 account_cash_invoice/wizard/cash_invoice_out.py
 create mode 100644 account_cash_invoice/wizard/cash_invoice_out.xml
 create mode 100644 pos_session_pay_invoice/README.rst
 create mode 100644 pos_session_pay_invoice/__init__.py
 create mode 100644 pos_session_pay_invoice/__manifest__.py
 create mode 100644 pos_session_pay_invoice/static/description/icon.png
 create mode 100644 pos_session_pay_invoice/tests/__init__.py
 create mode 100644 pos_session_pay_invoice/tests/test_pay_invoice.py
 create mode 100644 pos_session_pay_invoice/views/account_bank_statement.xml
 create mode 100644 pos_session_pay_invoice/views/pos_session.xml
 create mode 100644 pos_session_pay_invoice/wizard/__init__.py
 create mode 100644 pos_session_pay_invoice/wizard/cash_invoice_in.py
 create mode 100644 pos_session_pay_invoice/wizard/cash_invoice_in.xml
 create mode 100644 pos_session_pay_invoice/wizard/cash_invoice_out.py
 create mode 100644 pos_session_pay_invoice/wizard/cash_invoice_out.xml

diff --git a/.gitignore b/.gitignore
index c505b25c..bfd2a51d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -21,6 +21,7 @@ var/
 *.egg-info/
 .installed.cfg
 *.egg
+.idea
 
 # PyInstaller
 #  Usually these files are written by a python script from a template
diff --git a/account_cash_invoice/README.rst b/account_cash_invoice/README.rst
new file mode 100644
index 00000000..6e02582a
--- /dev/null
+++ b/account_cash_invoice/README.rst
@@ -0,0 +1,57 @@
+.. image:: https://img.shields.io/badge/licence-LGPL--3-blue.svg
+    :alt: License: LGPL-3
+
+===============
+PoS Pay invoice
+===============
+
+This modules allows to pay an existing Supplier Invoice / Customer Refund, or
+to collect payment for an existing Customer Invoice, using the PoS
+backend session.
+
+
+Usage
+=====
+
+#.  Go to *Point of Sale / Dashboard* and create and/or open an existing
+    Session.
+#.  Press the button **Pay Invoice** to pay a Supplier Invoice or a Customer
+    Refund. You will need to select the expected Journal
+#.  Select **Collect Payment from Invoice** in to receive a payment of an
+    existing Customer Invoice or a Supplier Refund.
+
+.. image:: https://odoo-community.org/website/image/ir.attachment/5784_f2813bd/datas
+   :alt: Try me on Runbot
+   :target: https://runbot.odoo-community.org/runbot/repo/github-com-oca-pos-184
+
+
+Known issues / Roadmap
+======================
+
+* Cannot pay invoices in a different currency than that defined in the journal
+  associated to the payment method used to pay/collect payment.
+
+
+Credits
+=======
+
+Contributors
+------------
+
+* Enric Tobella <etobella@creublanca.es>
+
+
+Maintainer
+----------
+
+.. image:: https://odoo-community.org/logo.png
+   :alt: Odoo Community Association
+   :target: https://odoo-community.org
+
+This module is maintained by the OCA.
+
+OCA, or the Odoo Community Association, is a nonprofit organization whose
+mission is to support the collaborative development of Odoo features and
+promote its widespread use.
+
+To contribute to this module, please visit http://odoo-community.org.
diff --git a/account_cash_invoice/__init__.py b/account_cash_invoice/__init__.py
new file mode 100644
index 00000000..d35b1e82
--- /dev/null
+++ b/account_cash_invoice/__init__.py
@@ -0,0 +1,5 @@
+# -*- coding: utf-8 -*-
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html).
+
+from . import models
+from . import wizard
diff --git a/account_cash_invoice/__manifest__.py b/account_cash_invoice/__manifest__.py
new file mode 100644
index 00000000..11c980e3
--- /dev/null
+++ b/account_cash_invoice/__manifest__.py
@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+# Copyright (C) 2017 Creu Blanca
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html).
+
+{
+    'name': 'Account cash invoice',
+    'version': '10.0.1.0.0',
+    'category': 'Account',
+    'author': "Creu Blanca,"
+              "Odoo Community Association (OCA)",
+    'website': 'https://github.com/OCA/pos',
+    'summary': 'Pay and receive invoices from bank statements',
+    "license": "LGPL-3",
+    'depends': [
+        "account",
+    ],
+    'data': [
+        "wizard/cash_invoice_out.xml",
+        "wizard/cash_invoice_in.xml",
+    ],
+}
diff --git a/account_cash_invoice/models/__init__.py b/account_cash_invoice/models/__init__.py
new file mode 100644
index 00000000..ecac888f
--- /dev/null
+++ b/account_cash_invoice/models/__init__.py
@@ -0,0 +1,4 @@
+# -*- coding: utf-8 -*-
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html).
+
+from . import account_bank_statement_line
diff --git a/account_cash_invoice/models/account_bank_statement_line.py b/account_cash_invoice/models/account_bank_statement_line.py
new file mode 100644
index 00000000..2dfd0b5b
--- /dev/null
+++ b/account_cash_invoice/models/account_bank_statement_line.py
@@ -0,0 +1,35 @@
+# -*- coding: utf-8 -*-
+# Copyright (C) 2017 Creu Blanca
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html).
+
+from odoo import api, fields, models
+
+
+class AccountBankStatementLine(models.Model):
+    _inherit = 'account.bank.statement.line'
+
+    invoice_id = fields.Many2one(
+        'account.invoice',
+        string='Invoice',
+        readonly=True
+    )
+
+    @api.multi
+    def fast_counterpart_creation(self):
+        for st_line in self:
+            if not st_line.invoice_id:
+                super(
+                    AccountBankStatementLine, st_line
+                ).fast_counterpart_creation()
+            else:
+                invoice = st_line.invoice_id
+                move_line = invoice.move_id.line_ids.filtered(
+                    lambda r: r.account_id.id == invoice.account_id.id
+                )
+                vals = {
+                    'name': st_line.name,
+                    'debit': st_line.amount < 0 and -st_line.amount or 0.0,
+                    'credit': st_line.amount > 0 and st_line.amount or 0.0,
+                    'move_line': move_line
+                }
+                st_line.process_reconciliation(counterpart_aml_dicts=[vals])
diff --git a/account_cash_invoice/static/description/icon.png b/account_cash_invoice/static/description/icon.png
new file mode 100644
index 0000000000000000000000000000000000000000..3a0328b516c4980e8e44cdb63fd945757ddd132d
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diff --git a/account_cash_invoice/tests/__init__.py b/account_cash_invoice/tests/__init__.py
new file mode 100644
index 00000000..510806cb
--- /dev/null
+++ b/account_cash_invoice/tests/__init__.py
@@ -0,0 +1,4 @@
+# -*- coding: utf-8 -*-
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html).
+
+from . import test_pay_invoice
diff --git a/account_cash_invoice/tests/test_pay_invoice.py b/account_cash_invoice/tests/test_pay_invoice.py
new file mode 100644
index 00000000..2b26ec44
--- /dev/null
+++ b/account_cash_invoice/tests/test_pay_invoice.py
@@ -0,0 +1,81 @@
+# -*- coding: utf-8 -*-
+# Copyright 2017 Creu Blanca <https://creublanca.es/>
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html).
+
+from odoo.tests import common
+
+
+class TestSessionPayInvoice(common.TransactionCase):
+    def setUp(self):
+        super(TestSessionPayInvoice, self).setUp()
+        self.company = self.env.ref('base.main_company')
+        partner = self.env.ref('base.partner_demo')
+        self.invoice_out = self.env['account.invoice'].create({
+            'company_id': self.company.id,
+            'partner_id': partner.id,
+            'date_invoice': '2016-03-12',
+            'type': 'out_invoice',
+        })
+        account = self.env['account.account'].create({
+            'code': 'test_cash_pay_invoice',
+            'company_id': self.company.id,
+            'name': 'Test',
+            'user_type_id': self.env.ref(
+                'account.data_account_type_revenue').id
+        })
+        self.env['account.invoice.line'].create({
+            'product_id': self.env.ref('product.product_delivery_02').id,
+            'invoice_id': self.invoice_out.id,
+            'account_id': account.id,
+            'name': 'Producto de prueba',
+            'quantity': 1.0,
+            'price_unit': 100.0,
+        })
+        self.invoice_out._onchange_invoice_line_ids()
+        self.invoice_out.action_invoice_open()
+        self.invoice_out.number = '2999/99999'
+        self.invoice_in = self.env['account.invoice'].create({
+            'partner_id': partner.id,
+            'company_id': self.company.id,
+            'type': 'in_invoice',
+            'date_invoice': '2016-03-12',
+        })
+        self.env['account.invoice.line'].create({
+            'product_id': self.env.ref('product.product_delivery_02').id,
+            'invoice_id': self.invoice_in.id,
+            'name': 'Producto de prueba',
+            'account_id': account.id,
+            'quantity': 1.0,
+            'price_unit': 100.0,
+        })
+        self.invoice_in._onchange_invoice_line_ids()
+        self.invoice_in.action_invoice_open()
+        self.invoice_in.number = '2999/99999'
+        self.journal = self.env['account.journal'].search([
+            ('company_id', '=', self.company.id),
+            ('type', '=', 'cash')
+        ], limit=1).ensure_one()
+
+    def test_bank_statement(self):
+        statement = self.env['account.bank.statement'].create({
+            'name': 'Statment',
+            'journal_id': self.journal.id
+        })
+        in_invoice = self.env['cash.invoice.in'].with_context(
+            active_ids=statement.ids, active_model='account.bank.statement'
+        ).create({
+            'invoice_id': self.invoice_in.id,
+            'amount': 100.0
+        })
+        in_invoice.run()
+        out_invoice = self.env['cash.invoice.out'].with_context(
+            active_ids=statement.ids, active_model='account.bank.statement'
+        ).create({
+            'invoice_id': self.invoice_out.id,
+            'amount': 100.0
+        })
+        out_invoice.run()
+        statement.balance_end_real = statement.balance_start
+        statement.check_confirm_bank()
+        self.assertEqual(self.invoice_out.residual, 0.)
+        self.assertEqual(self.invoice_in.residual, 0.)
diff --git a/account_cash_invoice/wizard/__init__.py b/account_cash_invoice/wizard/__init__.py
new file mode 100644
index 00000000..030f06a1
--- /dev/null
+++ b/account_cash_invoice/wizard/__init__.py
@@ -0,0 +1,5 @@
+# -*- coding: utf-8 -*-
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html).
+
+from . import cash_invoice_in
+from . import cash_invoice_out
diff --git a/account_cash_invoice/wizard/cash_invoice_in.py b/account_cash_invoice/wizard/cash_invoice_in.py
new file mode 100644
index 00000000..2a4f11da
--- /dev/null
+++ b/account_cash_invoice/wizard/cash_invoice_in.py
@@ -0,0 +1,100 @@
+# -*- coding: utf-8 -*-
+# Copyright (C) 2017 Creu Blanca
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html).
+
+from odoo import api, fields, models
+
+
+class CashInvoiceIn(models.TransientModel):
+    _name = 'cash.invoice.in'
+    _inherit = 'cash.box.out'
+
+    def _default_value(self, default_function):
+        active_model = self.env.context.get('active_model', False)
+        if active_model:
+            active_ids = self.env.context.get('active_ids', False)
+            return default_function(active_model, active_ids)
+        return None
+
+    def _default_company(self):
+        return self._default_value(self.default_company)
+
+    def _default_currency(self):
+        return self._default_value(self.default_currency)
+
+    def _default_journals(self):
+        return self._default_value(self.default_journals)
+
+    def _default_journal(self):
+        journals = self._default_journals()
+        if journals and len(journals.ids) > 0:
+            return self.env['account.journal'].browse(
+                journals.ids[0]
+            ).ensure_one()
+
+    def _default_journal_count(self):
+        return len(self._default_journals().ids)
+
+    invoice_id = fields.Many2one(
+        'account.invoice',
+        string='Invoice',
+        required=True
+    )
+    name = fields.Char(
+        related='invoice_id.number'
+    )
+    company_id = fields.Many2one(
+        'res.company',
+        default=_default_company,
+        required=True,
+        readonly=True
+    )
+    currency_id = fields.Many2one(
+        'res.currency',
+        default=_default_currency,
+        required=True,
+        readonly=True
+    )
+    journal_ids = fields.Many2many(
+        'account.journal',
+        default=_default_journals,
+        required=True,
+        readonly=True
+    )
+    journal_id = fields.Many2one(
+        'account.journal',
+        required=True,
+        default=_default_journal
+    )
+    journal_count = fields.Integer(
+        default=_default_journal_count,
+        readonly=True
+    )
+
+    def default_company(self, active_model, active_ids):
+        return self.env[active_model].browse(active_ids)[0].company_id
+
+    def default_currency(self, active_model, active_ids):
+        return self.default_company(active_model, active_ids).currency_id
+
+    def default_journals(self, active_model, active_ids):
+        return self.env[active_model].browse(active_ids)[0].journal_id
+
+    @api.onchange('journal_ids')
+    def compute_journal_count(self):
+        self.journal_count = len(self.journal_ids.ids)
+
+    @api.onchange('invoice_id')
+    def _onchange_invoice(self):
+        self.amount = self.invoice_id.residual
+
+    @api.multi
+    def _calculate_values_for_statement_line(self, record):
+        res = super(CashInvoiceIn, self)._calculate_values_for_statement_line(
+            record
+        )
+        res['invoice_id'] = self.invoice_id.id
+        res['account_id'] = self.invoice_id.account_id.id
+        res['ref'] = self.invoice_id.number
+        res['partner_id'] = self.invoice_id.partner_id.id
+        return res
diff --git a/account_cash_invoice/wizard/cash_invoice_in.xml b/account_cash_invoice/wizard/cash_invoice_in.xml
new file mode 100644
index 00000000..8b520fe2
--- /dev/null
+++ b/account_cash_invoice/wizard/cash_invoice_in.xml
@@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<odoo>
+    <record id="cash_invoice_in_form" model="ir.ui.view">
+        <field name="name">cash_invoice_in_form</field>
+        <field name="model">cash.invoice.in</field>
+        <field name="type">form</field>
+        <field name="arch" type="xml">
+            <form string="Pay supplier invoice or customer refund">
+                <group>
+                    <field name="company_id" invisible="1"/>
+                    <field name="journal_ids" invisible="1"/>
+                    <field name="journal_count" invisible="1"/>
+                    <field name="journal_id"
+                           class="oe_inline"
+                           domain="[('id', 'in', journal_ids[0][2])]"
+                           options="{'no_create': True, 'no_open':True}"
+                           attrs="{'invisible':[('journal_count', '&lt;', 2)]}"
+                    />
+                    <field name="invoice_id"
+                           class="oe_inline"
+                           domain="[('company_id', '=', company_id),
+                           ('state', '=', 'open'),
+                           ('currency_id', '=', currency_id),
+                           ('type', 'in', ['in_invoice', 'out_refund'])]"
+                           options="{'no_create': True, 'no_open':True}"
+                    />
+                    <label for="amount"/>
+                    <div>
+                        <field name="amount" class="oe_inline"/><field name="currency_id" class="oe_inline" groups="base.group_multi_currency"/>
+                    </div>
+                </group>
+                <footer>
+                    <button name="run" string="Pay invoice" type="object" class="btn-primary"/>
+                    <button special="cancel" string="Cancel" class="btn-default"/>
+                </footer>
+            </form>
+        </field>
+    </record>
+
+    <act_window
+            id="action_cash_invoice_in_from_statement"
+            name="Pay invoice"
+            res_model="cash.invoice.in"
+            src_model="account.bank.statement"
+            view_mode="form"
+            target="new"
+            key2="client_action_multi"
+        />
+</odoo>
diff --git a/account_cash_invoice/wizard/cash_invoice_out.py b/account_cash_invoice/wizard/cash_invoice_out.py
new file mode 100644
index 00000000..68dee676
--- /dev/null
+++ b/account_cash_invoice/wizard/cash_invoice_out.py
@@ -0,0 +1,104 @@
+# -*- coding: utf-8 -*-
+# Copyright (C) 2017 Creu Blanca
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html).
+
+from odoo import api, fields, models
+
+
+class CashInvoiceOut(models.TransientModel):
+    _name = 'cash.invoice.out'
+    _inherit = 'cash.box.in'
+
+    def _default_value(self, default_function):
+        active_model = self.env.context.get('active_model', False)
+        if active_model:
+            active_ids = self.env.context.get('active_ids', False)
+            return default_function(active_model, active_ids)
+        return None
+
+    def _default_company(self):
+        return self._default_value(self.default_company)
+
+    def _default_currency(self):
+        return self._default_value(self.default_currency)
+
+    def _default_journals(self):
+        return self._default_value(self.default_journals)
+
+    def _default_journal(self):
+        journals = self._default_journals()
+        if journals and len(journals.ids) > 0:
+            return self.env['account.journal'].browse(
+                journals.ids[0]
+            ).ensure_one()
+
+    def _default_journal_count(self):
+        return len(self._default_journals())
+
+    invoice_id = fields.Many2one(
+        'account.invoice',
+        string='Invoice',
+        required=True
+    )
+    name = fields.Char(
+        related='invoice_id.number'
+    )
+    company_id = fields.Many2one(
+        'res.company',
+        default=_default_company,
+        required=True,
+        readonly=True
+    )
+    currency_id = fields.Many2one(
+        'res.currency',
+        default=_default_currency,
+        required=True,
+        readonly=True)
+    journal_ids = fields.Many2many(
+        'account.journal',
+        default=_default_journals,
+        required=True,
+        readonly=True
+    )
+    journal_id = fields.Many2one(
+        'account.journal',
+        required=True,
+        default=_default_journal
+    )
+    journal_count = fields.Integer(
+        default=_default_journal_count,
+        readonly=True
+    )
+
+    def default_company(self, active_model, active_ids):
+        return self.env[active_model].browse(active_ids)[0].company_id
+
+    def default_currency(self, active_model, active_ids):
+        return self.default_company(active_model, active_ids).currency_id
+
+    def default_journals(self, active_model, active_ids):
+        return self.env[active_model].browse(active_ids)[0].journal_id
+
+    @api.onchange('journal_ids')
+    def compute_journal_count(self):
+        self.journal_count = len(self.journal_ids.ids)
+
+    @api.onchange('journal_id')
+    def _onchange_journal(self):
+        self.currency_id = (self.journal_id.currency_id or
+                            self.journal_id.company_id.currency_id)
+
+    @api.onchange('invoice_id')
+    def _onchange_invoice(self):
+        self.amount = self.invoice_id.residual
+
+    @api.multi
+    def _calculate_values_for_statement_line(self, record):
+        res = super(CashInvoiceOut, self)._calculate_values_for_statement_line(
+            record
+        )
+        res['invoice_id'] = self.invoice_id.id
+        res['account_id'] = self.invoice_id.account_id.id
+        res['ref'] = self.invoice_id.number
+        res['partner_id'] = self.invoice_id.partner_id.id
+        return res
diff --git a/account_cash_invoice/wizard/cash_invoice_out.xml b/account_cash_invoice/wizard/cash_invoice_out.xml
new file mode 100644
index 00000000..0060a598
--- /dev/null
+++ b/account_cash_invoice/wizard/cash_invoice_out.xml
@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<odoo>
+    <record id="cash_invoice_out_form" model="ir.ui.view">
+        <field name="name">cash_invoice_out_form</field>
+        <field name="model">cash.invoice.out</field>
+        <field name="type">form</field>
+        <field name="arch" type="xml">
+            <form string="Collect payment from customer invoice or supplier refund">
+                <group>
+                    <field name="company_id" invisible="1"/>
+                    <field name="journal_ids" invisible="1"/>
+                    <field name="journal_count" invisible="1"/>
+                    <field name="journal_id"
+                           class="oe_inline"
+                           domain="[('id', 'in', journal_ids[0][2])]"
+                           options="{'no_create': True, 'no_open':True}"
+                           attrs="{'invisible':[('journal_count', '&lt;', 2)]}"
+                    />
+                    <field name="invoice_id"
+                           class="oe_inline"
+                           domain="[('company_id', '=', company_id),
+                           ('state', '=', 'open'),
+                           ('currency_id', '=', currency_id),
+                           ('type', 'in', ['out_invoice', 'in_refund'])]"
+                           options="{'no_create': True, 'no_open':True}"
+                    />
+                    <label for="amount"/>
+                    <div>
+                        <field name="amount" class="oe_inline"/><field name="currency_id" class="oe_inline" groups="base.group_multi_currency"/>
+                    </div>
+                </group>
+                <footer>
+                    <button name="run" string="Register" type="object" class="btn-primary"/>
+                    <button special="cancel" string="Cancel" class="btn-default"/>
+                </footer>
+            </form>
+        </field>
+    </record>
+    <act_window
+            id="action_cash_invoice_out_from_statement"
+            name="Collect Payment from Invoice"
+            res_model="cash.invoice.out"
+            src_model="account.bank.statement"
+            view_mode="form"
+            target="new"
+            key2="client_action_multi"
+        />
+</odoo>
diff --git a/pos_session_pay_invoice/README.rst b/pos_session_pay_invoice/README.rst
new file mode 100644
index 00000000..e8585e61
--- /dev/null
+++ b/pos_session_pay_invoice/README.rst
@@ -0,0 +1,56 @@
+.. image:: https://img.shields.io/badge/licence-LGPL--3-blue.svg
+    :alt: License: LGPL-3
+
+========================
+Account cash Pay invoice
+========================
+
+This modules allows to pay an existing Supplier Invoice / Customer Refund, or
+to collect payment for an existing Customer Invoice, using bank statements.
+
+
+Usage
+=====
+
+#.  Go to *Accounting / Dashboard* and create and/or open an existing
+    bank statement.
+#.  Press the button **Pay Invoice** to pay a Supplier Invoice or a Customer
+    Refund. You will need to select the expected Journal
+#.  Select **Collect Payment from Invoice** in to receive a payment of an
+    existing Customer Invoice or a Supplier Refund.
+
+.. image:: https://odoo-community.org/website/image/ir.attachment/5784_f2813bd/datas
+   :alt: Try me on Runbot
+   :target: https://runbot.odoo-community.org/runbot/repo/github-com-oca-pos-184
+
+
+Known issues / Roadmap
+======================
+
+* Cannot pay invoices in a different currency than that defined in the journal
+  associated to the payment method used to pay/collect payment.
+
+
+Credits
+=======
+
+Contributors
+------------
+
+* Enric Tobella <etobella@creublanca.es>
+
+
+Maintainer
+----------
+
+.. image:: https://odoo-community.org/logo.png
+   :alt: Odoo Community Association
+   :target: https://odoo-community.org
+
+This module is maintained by the OCA.
+
+OCA, or the Odoo Community Association, is a nonprofit organization whose
+mission is to support the collaborative development of Odoo features and
+promote its widespread use.
+
+To contribute to this module, please visit http://odoo-community.org.
diff --git a/pos_session_pay_invoice/__init__.py b/pos_session_pay_invoice/__init__.py
new file mode 100644
index 00000000..577a9637
--- /dev/null
+++ b/pos_session_pay_invoice/__init__.py
@@ -0,0 +1,4 @@
+# -*- coding: utf-8 -*-
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html).
+
+from . import wizard
diff --git a/pos_session_pay_invoice/__manifest__.py b/pos_session_pay_invoice/__manifest__.py
new file mode 100644
index 00000000..6531bf39
--- /dev/null
+++ b/pos_session_pay_invoice/__manifest__.py
@@ -0,0 +1,23 @@
+# -*- coding: utf-8 -*-
+# Copyright (C) 2017 Creu Blanca
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html).
+
+{
+    'name': 'POS Pay invoice',
+    'version': '10.0.1.0.0',
+    'category': 'Point Of Sale',
+    'author': "Creu Blanca,"
+              "Odoo Community Association (OCA)",
+    'website': 'https://github.com/OCA/pos',
+    'summary': 'Pay and receive invoices from PoS Session',
+    "license": "LGPL-3",
+    'depends': [
+        "point_of_sale", "account_cash_invoice"
+    ],
+    'data': [
+        "wizard/cash_invoice_out.xml",
+        "wizard/cash_invoice_in.xml",
+        "views/pos_session.xml",
+        "views/account_bank_statement.xml",
+    ],
+}
diff --git a/pos_session_pay_invoice/static/description/icon.png b/pos_session_pay_invoice/static/description/icon.png
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diff --git a/pos_session_pay_invoice/tests/__init__.py b/pos_session_pay_invoice/tests/__init__.py
new file mode 100644
index 00000000..510806cb
--- /dev/null
+++ b/pos_session_pay_invoice/tests/__init__.py
@@ -0,0 +1,4 @@
+# -*- coding: utf-8 -*-
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html).
+
+from . import test_pay_invoice
diff --git a/pos_session_pay_invoice/tests/test_pay_invoice.py b/pos_session_pay_invoice/tests/test_pay_invoice.py
new file mode 100644
index 00000000..4cd5a09a
--- /dev/null
+++ b/pos_session_pay_invoice/tests/test_pay_invoice.py
@@ -0,0 +1,86 @@
+# -*- coding: utf-8 -*-
+# Copyright 2017 Creu Blanca <https://creublanca.es/>
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html).
+
+from odoo.tests import common
+
+
+class TestSessionPayInvoice(common.TransactionCase):
+    def setUp(self):
+        super(TestSessionPayInvoice, self).setUp()
+        self.company = self.env.ref('base.main_company')
+        partner = self.env.ref('base.partner_demo')
+        self.invoice_out = self.env['account.invoice'].create({
+            'company_id': self.company.id,
+            'partner_id': partner.id,
+            'date_invoice': '2016-03-12',
+            'type': 'out_invoice',
+        })
+        account = self.env['account.account'].create({
+            'code': 'test_cash_pay_invoice',
+            'company_id': self.company.id,
+            'name': 'Test',
+            'user_type_id': self.env.ref(
+                'account.data_account_type_revenue').id
+        })
+        self.env['account.invoice.line'].create({
+            'product_id': self.env.ref('product.product_delivery_02').id,
+            'invoice_id': self.invoice_out.id,
+            'account_id': account.id,
+            'name': 'Producto de prueba',
+            'quantity': 1.0,
+            'price_unit': 100.0,
+        })
+        self.invoice_out._onchange_invoice_line_ids()
+        self.invoice_out.action_invoice_open()
+        self.invoice_out.number = '2999/99999'
+        self.invoice_in = self.env['account.invoice'].create({
+            'partner_id': partner.id,
+            'company_id': self.company.id,
+            'type': 'in_invoice',
+            'date_invoice': '2016-03-12',
+        })
+        self.env['account.invoice.line'].create({
+            'product_id': self.env.ref('product.product_delivery_02').id,
+            'invoice_id': self.invoice_in.id,
+            'name': 'Producto de prueba',
+            'account_id': account.id,
+            'quantity': 1.0,
+            'price_unit': 100.0,
+        })
+        self.invoice_in._onchange_invoice_line_ids()
+        self.invoice_in.action_invoice_open()
+        self.invoice_in.number = '2999/99999'
+        self.config = self.env.ref('point_of_sale.pos_config_main')
+        self.config.cash_control = True
+
+    def test_pos_invoice(self):
+        self.config.open_session_cb()
+        session = self.config.current_session_id
+        self.assertIsNotNone(session.statement_ids)
+        session.action_pos_session_open()
+        in_invoice = self.env['cash.invoice.in'].with_context(
+            active_ids=session.ids, active_model='pos.session'
+        ).create({
+            'invoice_id': self.invoice_in.id,
+            'amount': 100.0
+        })
+        in_invoice.run()
+        out_invoice = self.env['cash.invoice.out'].with_context(
+            active_ids=session.ids, active_model='pos.session'
+        ).create({
+            'invoice_id': self.invoice_out.id,
+            'amount': 75.0
+        })
+        out_invoice.run()
+        box = self.env['cash.box.in'].with_context(
+            active_ids=session.ids, active_model='pos.session'
+        ).create({
+            'name': "Testing",
+            'amount': 25.0
+        })
+        box.run()
+        session.action_pos_session_closing_control()
+        session.action_pos_session_closing_control()
+        self.assertEqual(self.invoice_out.residual, 25.)
+        self.assertEqual(self.invoice_in.residual, 0.)
diff --git a/pos_session_pay_invoice/views/account_bank_statement.xml b/pos_session_pay_invoice/views/account_bank_statement.xml
new file mode 100644
index 00000000..95b1170d
--- /dev/null
+++ b/pos_session_pay_invoice/views/account_bank_statement.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<odoo>
+    <act_window
+            id="action_cash_invoice_in_from_statement"
+            name="Pay invoice"
+            res_model="cash.invoice.in"
+            src_model="account.bank.statement"
+            view_mode="form"
+            target="new"
+            key2="client_action_multi"
+        />
+        <act_window
+            id="action_cash_invoice_out_from_statement"
+            name="Collect Payment from Invoice"
+            res_model="cash.invoice.out"
+            src_model="account.bank.statement"
+            view_mode="form"
+            target="new"
+            key2="client_action_multi"
+        />
+</odoo>
diff --git a/pos_session_pay_invoice/views/pos_session.xml b/pos_session_pay_invoice/views/pos_session.xml
new file mode 100644
index 00000000..38e2e71d
--- /dev/null
+++ b/pos_session_pay_invoice/views/pos_session.xml
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<odoo>
+    <record id="view_pos_config_kanban" model="ir.ui.view">
+       <field name="name">pos.config.kanban.view</field>
+        <field name="model">pos.config</field>
+        <field name="inherit_id" ref="point_of_sale.view_pos_config_kanban"/>
+        <field name="arch" type="xml">
+            <button name="open_ui" position="after">
+                <button t-if="record.current_session_state.raw_value === 'opened'"
+                        class="btn btn-info"
+                        name="open_existing_session_cb"
+                        type="object">Summary</button>
+            </button>
+        </field>
+    </record>
+
+    <record id="view_pos_session_form" model="ir.ui.view">
+        <field name="name">pos.session.form.view</field>
+        <field name="model">pos.session</field>
+        <field name="inherit_id" ref="point_of_sale.view_pos_session_form"/>
+        <field name="arch" type="xml">
+            <button name="open_cashbox" position="after">
+                <button class="oe_stat_button" name="%(action_pos_invoice_in)d"
+                        type="action" icon="fa-level-up"
+                        attrs="{'invisible':['|','|',('cash_control', '=', False),('state', 'not in', ['opened', 'closing_control']), ('statement_ids', '=', False)]}">
+                    <div class="o_form_field o_stat_info">
+                        <span class="o_stat_text">Pay</span>
+                        <span class="o_stat_text">Invoice</span>
+                    </div>
+                </button>
+                <button class="oe_stat_button" name="%(action_pos_invoice_out)d"
+                        type="action" icon="fa-level-down"
+                        attrs="{'invisible':['|',('state', 'not in', ['opened', 'closing_control']), ('statement_ids', '=', False)]}">
+                    <div class="o_form_field o_stat_info">
+                        <span class="o_stat_text">Collect Payment</span>
+                        <span class="o_stat_text">from Invoice</span>
+                    </div>
+                </button>
+
+            </button>
+        </field>
+    </record>
+</odoo>
diff --git a/pos_session_pay_invoice/wizard/__init__.py b/pos_session_pay_invoice/wizard/__init__.py
new file mode 100644
index 00000000..030f06a1
--- /dev/null
+++ b/pos_session_pay_invoice/wizard/__init__.py
@@ -0,0 +1,5 @@
+# -*- coding: utf-8 -*-
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html).
+
+from . import cash_invoice_in
+from . import cash_invoice_out
diff --git a/pos_session_pay_invoice/wizard/cash_invoice_in.py b/pos_session_pay_invoice/wizard/cash_invoice_in.py
new file mode 100644
index 00000000..6c77fcdb
--- /dev/null
+++ b/pos_session_pay_invoice/wizard/cash_invoice_in.py
@@ -0,0 +1,56 @@
+# -*- coding: utf-8 -*-
+# Copyright (C) 2017 Creu Blanca
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html).
+
+from odoo import api, models, _
+from odoo.exceptions import UserError
+
+
+class CashInvoiceIn(models.TransientModel):
+    _inherit = 'cash.invoice.in'
+
+    def default_company(self, active_model, active_ids):
+        if active_model == 'pos.session':
+            active = self.env[active_model].browse(active_ids)
+            return active[0].config_id.company_id
+        return super(CashInvoiceIn, self).default_company(
+            active_model, active_ids
+        )
+
+    def default_journals(self, active_model, active_ids):
+        if active_model == 'pos.session':
+            active = self.env[active_model].browse(active_ids)
+            if not active.cash_register_id:
+                raise UserError(_(
+                    "There is no cash register for this Pos session"
+                ))
+            return active.cash_register_id.journal_id
+        return super(CashInvoiceIn, self).default_journals(
+            active_model, active_ids
+        )
+
+    def default_currency(self, active_model, active_ids):
+        if active_model == 'pos.session':
+            journal = self._default_journal()
+            if journal.currency_id:
+                return journal.currency_id
+        return super(CashInvoiceIn, self).default_currency(
+            active_model, active_ids
+        )
+
+    @api.multi
+    def run(self):
+        active_model = self.env.context.get('active_model', False)
+        active_ids = self.env.context.get('active_ids', False)
+        if active_model == 'pos.session':
+            bank_statements = [
+                session.statement_ids.filtered(
+                    lambda r: r.journal_id.id == self.journal_id.id
+                )
+                for session in self.env[active_model].browse(active_ids)
+            ]
+            if not bank_statements:
+                raise UserError(_('Bank Statement was not found'))
+            return self._run(bank_statements)
+        else:
+            return super(CashInvoiceIn, self).run()
diff --git a/pos_session_pay_invoice/wizard/cash_invoice_in.xml b/pos_session_pay_invoice/wizard/cash_invoice_in.xml
new file mode 100644
index 00000000..fb1483cf
--- /dev/null
+++ b/pos_session_pay_invoice/wizard/cash_invoice_in.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<odoo>
+    <act_window
+            id="action_pos_invoice_in"
+            name="Pay invoice"
+            res_model="cash.invoice.in"
+            src_model="pos.session"
+            view_mode="form"
+            target="new"
+            key2="client_action_multi"
+        />
+</odoo>
diff --git a/pos_session_pay_invoice/wizard/cash_invoice_out.py b/pos_session_pay_invoice/wizard/cash_invoice_out.py
new file mode 100644
index 00000000..19bee735
--- /dev/null
+++ b/pos_session_pay_invoice/wizard/cash_invoice_out.py
@@ -0,0 +1,53 @@
+# -*- coding: utf-8 -*-
+# Copyright (C) 2017 Creu Blanca
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html).
+
+from odoo import api, models, _
+from odoo.exceptions import UserError
+
+
+class CashInvoiceOut(models.TransientModel):
+    _inherit = 'cash.invoice.out'
+
+    def default_company(self, active_model, active_ids):
+        if active_model == 'pos.session':
+            active = self.env[active_model].browse(active_ids)
+            return active[0].config_id.company_id
+        return super(CashInvoiceOut, self).default_company(
+            active_model, active_ids
+        )
+
+    def default_currency(self, active_model, active_ids):
+        if active_model == 'pos.session':
+            journal = self._default_journal()
+            if journal.currency_id:
+                return journal.currency_id
+        return super(CashInvoiceOut, self).default_currency(
+            active_model, active_ids
+        )
+
+    def default_journals(self, active_model, active_ids):
+        if active_model == 'pos.session':
+            active = self.env[active_model].browse(active_ids)
+            return self.env['account.journal'].browse(
+                [r.journal_id.id for r in active.statement_ids])
+        return super(CashInvoiceOut, self).default_journals(
+            active_model, active_ids
+        )
+
+    @api.multi
+    def run(self):
+        active_model = self.env.context.get('active_model', False)
+        active_ids = self.env.context.get('active_ids', False)
+        if active_model == 'pos.session':
+            bank_statements = [
+                session.statement_ids.filtered(
+                    lambda r: r.journal_id.id == self.journal_id.id
+                )
+                for session in self.env[active_model].browse(active_ids)
+            ]
+            if not bank_statements:
+                raise UserError(_('Bank Statement was not found'))
+            return self._run(bank_statements)
+        else:
+            return super(CashInvoiceOut, self).run()
diff --git a/pos_session_pay_invoice/wizard/cash_invoice_out.xml b/pos_session_pay_invoice/wizard/cash_invoice_out.xml
new file mode 100644
index 00000000..0af983ef
--- /dev/null
+++ b/pos_session_pay_invoice/wizard/cash_invoice_out.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<odoo>
+    <act_window
+            id="action_pos_invoice_out"
+            name="Pay invoice"
+            res_model="cash.invoice.out"
+            src_model="pos.session"
+            view_mode="form"
+            target="new"
+            key2="client_action_multi"
+        />
+</odoo>