[ADD] product_contract: Create module

* Add contract functionality to `product.templates`
* Add logic to create contracts from `sale.order` that contains contract products.

product_contract/README.rst

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+.. image:: https://img.shields.io/badge/licence-AGPL--3-blue.svg
+   :target: http://www.gnu.org/licenses/agpl-3.0-standalone.html
+   :alt: License: AGPL-3
+
+================
+Product Contract
+================
+
+This module adds support for products to be linked to contract templates.
+It also adds functionality to automatically create a contract, from the template,
+when a ``sale.order`` contains a product that implements a contract.
+
+Usage
+=====
+
+To use this module, you need to:
+
+#. Go to Sales -> Products and select or create a product.
+#. Check "Is a contract" and select the contract template related to the
+   product
+
+.. image:: https://odoo-community.org/website/image/ir.attachment/5784_f2813bd/datas
+   :alt: Try me on Runbot
+   :target: https://runbot.odoo-community.org/runbot/110/10.0
+
+Known issues / Roadmap
+======================
+
+* None
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues
+<https://github.com/OCA/contract/issues>`_. In case of trouble, please
+check there if your issue has already been reported. If you spotted it first,
+help us smash it by providing detailed and welcomed feedback.
+
+Credits
+=======
+
+Images
+------
+
+* Odoo Community Association: `Icon <https://github.com/OCA/maintainer-tools/blob/master/template/module/static/description/icon.svg>`_.
+
+Contributors
+------------
+
+* Ted Salmon <tsalmon@laslabs.com>
+
+
+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 https://odoo-community.org.

product_contract/__init__.py

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+# -*- coding: utf-8 -*-
+# Copyright 2017 LasLabs Inc.
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from . import models

product_contract/__manifest__.py

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+# -*- coding: utf-8 -*-
+# Copyright 2017 LasLabs Inc.
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+{
+    'name': 'Product Contract',
+    'version': '10.0.1.0.0',
+    'category': 'Contract Management',
+    'license': 'AGPL-3',
+    'author': "LasLabs, "
+              "Odoo Community Association (OCA)",
+    'website': 'https://laslabs.com',
+    'depends': [
+        'contract',
+        'product',
+        'sale',
+    ],
+    'data': [
+        'views/product_template_view.xml',
+    ],
+    'installable': True,
+    'application': False,
+}

product_contract/models/__init__.py

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+# -*- coding: utf-8 -*-
+# Copyright 2017 LasLabs Inc.
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from . import product_template
+from . import sale_order
+from . import sale_order_line

product_contract/models/product_template.py

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+# -*- coding: utf-8 -*-
+# Copyright 2017 LasLabs Inc.
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from odoo import api, fields, models
+
+
+class ProductTemplate(models.Model):
+    _inherit = 'product.template'
+
+    is_contract = fields.Boolean('Is a contract')
+    contract_template_id = fields.Many2one(
+        comodel_name='account.analytic.contract',
+        string='Contract Template',
+    )
+
+    @api.onchange('is_contract')
+    def _change_is_contract(self):
+        """ Clear the relation to contract_template_id when downgrading
+        product from contract
+        """
+        if not self.is_contract:
+            self.contract_template_id = False

product_contract/models/sale_order.py

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+# -*- coding: utf-8 -*-
+# Copyright 2017 LasLabs Inc.
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from odoo import api, models
+
+
+class SaleOrder(models.Model):
+    _inherit = 'sale.order'
+
+    @api.multi
+    def action_confirm(self):
+        """ If we have a contract in the order, set it up """
+        for rec in self:
+            order_lines = self.mapped('order_line').filtered(
+                lambda r: r.product_id.is_contract
+            )
+            for line in order_lines:
+                contract_tmpl = line.product_id.contract_template_id
+                contract = self.env['account.analytic.account'].create({
+                    'name': '%s Contract' % rec.name,
+                    'partner_id': rec.partner_id.id,
+                    'contract_template_id': contract_tmpl.id,
+                })
+                line.contract_id = contract.id
+                contract.recurring_create_invoice()
+        return super(SaleOrder, self).action_confirm()

product_contract/models/sale_order_line.py

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+# -*- coding: utf-8 -*-
+# Copyright 2017 LasLabs Inc.
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from odoo import fields, models
+
+
+class SaleOrderLine(models.Model):
+    _inherit = 'sale.order.line'
+
+    contract_id = fields.Many2one(
+        comodel_name='account.analytic.account',
+        string='Contract'
+    )

product_contract/tests/__init__.py

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+# -*- coding: utf-8 -*-
+# Copyright 2017 LasLabs Inc.
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from . import test_product_template
+from . import test_sale_order

product_contract/tests/test_product_template.py

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+# -*- coding: utf-8 -*-
+# Copyright 2017 LasLabs Inc.
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from odoo.tests.common import TransactionCase
+
+
+class TestProductTemplate(TransactionCase):
+
+    def setUp(self):
+        super(TestProductTemplate, self).setUp()
+        self.product = self.env.ref(
+            'product.product_product_4_product_template'
+        )
+        self.contract = self.env['account.analytic.contract'].create({
+            'name': 'Test',
+            'recurring_rule_type': 'yearly',
+            'recurring_interval': 12345,
+        })
+
+    def test_change_is_contract(self):
+        """ It should verify that the contract_template_id is removed
+        when is_contract is False """
+        self.product.is_contract = True
+        self.product.contract_template_id = self.contract.id
+        self.product.is_contract = False
+        self.product._change_is_contract()
+        self.assertEquals(
+            len(self.product.contract_template_id),
+            0
+        )

product_contract/tests/test_sale_order.py

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+# -*- coding: utf-8 -*-
+# Copyright 2017 LasLabs Inc.
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from mock import MagicMock
+from odoo.tests.common import TransactionCase
+
+
+class TestSaleOrder(TransactionCase):
+
+    def setUp(self):
+        super(TestSaleOrder, self).setUp()
+        self.product = self.env.ref('product.product_product_1')
+        self.sale = self.env.ref('sale.sale_order_2')
+        self.contract = self.env['account.analytic.contract'].create({
+            'name': 'Test',
+            'recurring_rule_type': 'yearly',
+            'recurring_interval': 12345,
+        })
+        self.product.product_tmpl_id.is_contract = True
+        self.product.product_tmpl_id.contract_template_id = self.contract.id
+
+    def test_action_done(self):
+        """ It should create a contract when the sale for a contract is set
+        to done for the first time """
+        self.env['account.analytic.account']._patch_method(
+            'create', MagicMock()
+        )
+        self.sale.action_confirm()
+        self.env['account.analytic.account'].create.assert_called_once_with({
+            'name': '%s Contract' % self.sale.name,
+            'partner_id': self.sale.partner_id.id,
+            'contract_template_id': self.contract.id,
+        })

product_contract/views/product_template_view.xml

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+<?xml version="1.0" encoding="utf-8"?>
+
+<!--
+    Copyright 2017 LasLabs Inc.
+    License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+-->
+
+<odoo>
+
+    <record id="product_template_form_contract_view" model="ir.ui.view">
+        <field name="name">account.invoice.select.contract</field>
+        <field name="model">product.template</field>
+        <field name="inherit_id" ref="product.product_template_form_view"/>
+        <field name="arch" type="xml">
+            <xpath expr="//div[@name='options']" position="inside">
+                <div>
+                    <field name="is_contract" />
+                    <label for="is_contract" />
+                </div>
+            </xpath>
+            <xpath expr="//group[@name='group_standard_price']" position="inside">
+                <field name="contract_template_id"
+                       attrs="{'invisible': [('is_contract', '=', False)],
+                               'required':[('is_contract', '=', True)]}" />
+            </xpath>
+        </field>
+    </record>
+
+</odoo>