[ADD] contract_variable_quantity:

================================================= Variable quantity in contract recurrent invoicing ================================================= With this module, you will be able to define in recurring contracts some lines with variable quantity according a provided formula. Configuration ============= * Go to Sales > Configuration > Contracts > Formulas (quantity). * Define any formula based on Python code that stores at some moment a float/integer value of the quantity to invoice in the variable 'result'. You can use these variables to compute your formula: * *env*: Environment variable for getting other models. * *context*: Current context dictionary. * *user*: Current user. * *line*: Contract recurring invoice line that triggers this formula. * *contract*: Contract whose line belongs to. * *invoice*: Invoice (header) being created. Usage ===== To use this module, you need to: * Go to Sales -> Contracts and select or create a new contract. * Check *Generate recurring invoices automatically*. * Add a new recurring invoicing line. * Select "Variable quantity" in column "Qty. type". * Select one of the possible formulas to use (previously created).
8 years ago · abdf5bb20e
11 changed files with 625 additions and 0 deletions
--- a/contract_variable_quantity/README.rst
+++ b/contract_variable_quantity/README.rst
@ -0,0 +1,72 @@
+.. 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
+
+=================================================
+Variable quantity in contract recurrent invoicing
+=================================================
+
+With this module, you will be able to define in recurring contracts some
+lines with variable quantity according a provided formula.
+
+Configuration
+=============
+
+#. Go to Sales > Configuration > Contracts > Formulas (quantity).
+#. Define any formula based on Python code that stores at some moment a
+   float/integer value of the quantity to invoice in the variable 'result'.
+
+   You can use these variables to compute your formula:
+
+   * *env*: Environment variable for getting other models.
+   * *context*: Current context dictionary.
+   * *user*: Current user.
+   * *line*: Contract recurring invoice line that triggers this formula.
+   * *contract*: Contract whose line belongs to.
+   * *invoice*: Invoice (header) being created.
+
+Usage
+=====
+
+To use this module, you need to:
+
+#. Go to Sales -> Contracts and select or create a new contract.
+#. Check *Generate recurring invoices automatically*.
+#. Add a new recurring invoicing line.
+#. Select "Variable quantity" in column "Qty. type".
+#. Select one of the possible formulas to use (previously created).
+
+.. image:: https://odoo-community.org/website/image/ir.attachment/5784_f2813bd/datas
+   :alt: Try me on Runbot
+   :target: https://runbot.odoo-community.org/runbot/110/9.0
+
+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 smashing it by providing a detailed and welcomed feedback.
+
+Credits
+=======
+
+Contributors
+------------
+
+* Pedro M. Baeza <pedro.baeza@tecnativa.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.
--- a/contract_variable_quantity/init.py
+++ b/contract_variable_quantity/init.py
@ -0,0 +1,4 @@
+# -*- coding: utf-8 -*-
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from . import models
--- a/contract_variable_quantity/openerp.py
+++ b/contract_variable_quantity/openerp.py
@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+# © 2016 Pedro M. Baeza <pedro.baeza@tecnativa.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+{
+    'name': 'Variable quantity in contract recurrent invoicing',
+    'version': '9.0.1.0.0',
+    'category': 'Contract Management',
+    'license': 'AGPL-3',
+    'author': "Tecnativa,"
+              "Odoo Community Association (OCA)",
+    'website': 'https://www.tecnativa.com',
+    'depends': [
+        'contract',
+    ],
+    'data': [
+        'security/ir.model.access.csv',
+        'views/contract_view.xml',
+    ],
+    'installable': True,
+}
--- a/contract_variable_quantity/models/init.py
+++ b/contract_variable_quantity/models/init.py
@ -0,0 +1,4 @@
+# -*- coding: utf-8 -*-
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from . import contract
--- a/contract_variable_quantity/models/contract.py
+++ b/contract_variable_quantity/models/contract.py
@ -0,0 +1,66 @@
+# -*- coding: utf-8 -*-
+# © 2016 Pedro M. Baeza <pedro.baeza@tecnativa.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from openerp import _, api, fields, models, exceptions
+from openerp.tools.safe_eval import safe_eval
+
+
+class AccountAnalyticAccount(models.Model):
+    _inherit = "account.analytic.account"
+
+    @api.model
+    def _prepare_invoice_line(self, line, invoice_id):
+        vals = super(AccountAnalyticAccount, self)._prepare_invoice_line(
+            line, invoice_id)
+        if line.qty_type == 'variable':
+            eval_context = {
+                'env': self.env,
+                'context': self.env.context,
+                'user': self.env.user,
+                'line': line,
+                'contract': line.analytic_account_id,
+                'invoice': self.env['account.invoice'].browse(invoice_id),
+            }
+            safe_eval(line.qty_formula_id.code.strip(), eval_context,
+                      mode="exec", nocopy=True)  # nocopy for returning result
+            vals['quantity'] = eval_context.get('result', 0)
+        return vals
+
+
+class AccountAnalyticInvoiceLine(models.Model):
+    _inherit = 'account.analytic.invoice.line'
+
+    qty_type = fields.Selection(
+        selection=[
+            ('fixed', 'Fixed quantity'),
+            ('variable', 'Variable quantity'),
+        ], required=True, default='fixed', string="Qty. type")
+    qty_formula_id = fields.Many2one(
+        comodel_name="contract.line.qty.formula", string="Qty. formula")
+
+
+class ContractLineFormula(models.Model):
+    _name = 'contract.line.qty.formula'
+
+    name = fields.Char(required=True)
+    code = fields.Text(required=True, default="result = 0")
+
+    @api.constrains('code')
+    def _check_code(self):
+        eval_context = {
+            'env': self.env,
+            'context': self.env.context,
+            'user': self.env.user,
+            'line': self.env['account.analytic.invoice.line'],
+            'contract': self.env['account.analytic.account'],
+            'invoice': self.env['account.invoice'],
+        }
+        try:
+            safe_eval(
+                self.code.strip(), eval_context, mode="exec", nocopy=True)
+        except Exception as e:
+            raise exceptions.ValidationError(
+                _('Error evaluating code.\nDetails: %s') % e)
+        if 'result' not in eval_context:
+            raise exceptions.ValidationError(_('No valid result returned.'))
--- a/contract_variable_quantity/security/ir.model.access.csv
+++ b/contract_variable_quantity/security/ir.model.access.csv
@ -0,0 +1,3 @@
+"id","name","model_id:id","group_id:id","perm_read","perm_write","perm_create","perm_unlink"
+"contract_line_qty_formula_manager","Recurring formula manager","model_contract_line_qty_formula","base.group_sale_manager",1,1,1,1
+"contract_line_qty_formula_user","Recurring formula user","model_contract_line_qty_formula","base.group_sale_salesman",1,0,0,0
--- a/contract_variable_quantity/static/description/icon.png
+++ b/contract_variable_quantity/static/description/icon.png
--- a/contract_variable_quantity/static/description/icon.svg
+++ b/contract_variable_quantity/static/description/icon.svg
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+            <dc:title>Openclipart</dc:title>
+          </cc:Agent>
+        </dc:publisher>
+        <dc:title>Pile of Golden Coins</dc:title>
+        <dc:date>2010-04-09T03:27:45</dc:date>
+        <dc:description>A pile of hypothetical golden coins, drawn in Inkscape.</dc:description>
+        <dc:source>https://openclipart.org/detail/43969/pile-of-golden-coins-by-j_alves</dc:source>
+        <dc:creator>
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+            <rdf:li>currency</rdf:li>
+            <rdf:li>gold</rdf:li>
+            <rdf:li>money</rdf:li>
+            <rdf:li>thaler</rdf:li>
+          </rdf:Bag>
+        </dc:subject>
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+        <cc:permits
+           rdf:resource="http://creativecommons.org/ns#DerivativeWorks" />
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+</svg>
--- a/contract_variable_quantity/tests/init.py
+++ b/contract_variable_quantity/tests/init.py
@ -0,0 +1,4 @@
+# -*- coding: utf-8 -*-
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from . import test_contract_variable_quantity
--- a/contract_variable_quantity/tests/test_contract_variable_quantity.py
+++ b/contract_variable_quantity/tests/test_contract_variable_quantity.py
@ -0,0 +1,60 @@
+# -*- coding: utf-8 -*-
+# © 2016 Pedro M. Baeza <pedro.baeza@tecnativa.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from openerp.tests import common
+from openerp import exceptions
+
+
+class TestContractVariableQuantity(common.SavepointCase):
+    @classmethod
+    def setUpClass(cls):
+        super(TestContractVariableQuantity, cls).setUpClass()
+        cls.partner = cls.env['res.partner'].create({
+            'name': 'Test partner',
+        })
+        cls.product = cls.env['product.product'].create({
+            'name': 'Test product',
+        })
+        cls.contract = cls.env['account.analytic.account'].create({
+            'name': 'Test Contract',
+            'partner_id': cls.partner.id,
+            'pricelist_id': cls.partner.property_product_pricelist.id,
+            'recurring_invoices': True,
+        })
+        cls.formula = cls.env['contract.line.qty.formula'].create({
+            'name': 'Test formula',
+            # For testing each of the possible variables
+            'code': 'env["res.users"]\n'
+                    'context.get("lang")\n'
+                    'user.id\n'
+                    'line.qty_type\n'
+                    'contract.id\n'
+                    'invoice.id\n'
+                    'result = 12',
+        })
+        cls.contract_line = cls.env['account.analytic.invoice.line'].create({
+            'analytic_account_id': cls.contract.id,
+            'product_id': cls.product.id,
+            'name': 'Test',
+            'qty_type': 'variable',
+            'qty_formula_id': cls.formula.id,
+            'quantity': 1,
+            'uom_id': cls.product.uom_id.id,
+            'price_unit': 100,
+            'discount': 50,
+        })
+
+    def test_check_invalid_code(self):
+        with self.assertRaises(exceptions.ValidationError):
+            self.formula.code = "sdsds"
+
+    def test_check_no_return_value(self):
+        with self.assertRaises(exceptions.ValidationError):
+            self.formula.code = "user.id"
+
+    def test_check_variable_quantity(self):
+        self.contract._create_invoice(self.contract)
+        invoice = self.env['account.invoice'].search(
+            [('contract_id', '=', self.contract.id)])
+        self.assertEqual(invoice.invoice_line_ids[0].quantity, 12)
--- a/contract_variable_quantity/views/contract_view.xml
+++ b/contract_variable_quantity/views/contract_view.xml
@ -0,0 +1,90 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+
+    <record id="account_analytic_account_recurring_form_form" model="ir.ui.view">
+        <field name="model">account.analytic.account</field>
+        <field name="inherit_id" ref="contract.account_analytic_account_recurring_form_form"/>
+        <field name="arch" type="xml">
+            <xpath expr="//field[@name='recurring_invoice_line_ids']//field[@name='quantity']" position="before">
+                <field name="qty_type"/>
+            </xpath>
+            <xpath expr="//field[@name='recurring_invoice_line_ids']//field[@name='quantity']" position="after">
+                <field name="qty_formula_id"
+                       attrs="{'required': [('qty_type', '=', 'variable')], 'invisible': [('qty_type', '!=', 'variable')]}"
+                />
+            </xpath>
+            <xpath expr="//field[@name='recurring_invoice_line_ids']//field[@name='quantity']" position="attributes">
+                <attribute name="attrs">{'required': [('qty_type', '=', 'fixed')], 'invisible': [('qty_type', '!=', 'fixed')]}</attribute>
+            </xpath>
+        </field>
+    </record>
+
+    <record id="view_contract_line_qty_formula_tree" model="ir.ui.view">
+        <field name="model">contract.line.qty.formula</field>
+        <field name="arch" type="xml">
+            <tree>
+                <field name="name"/>
+            </tree>
+        </field>
+    </record>
+
+    <record id="view_contract_line_qty_formula_form" model="ir.ui.view">
+        <field name="model">contract.line.qty.formula</field>
+        <field name="arch" type="xml">
+            <form >
+                <sheet>
+                    <div class="oe_title">
+                        <h1>
+                            <field name="name" placeholder="Name"/>
+                        </h1>
+                    </div>
+                    <group string="Code">
+                        <div style="margin-top: 4px;">
+                            <field name="code" nolabel="1"/>
+                            <h3>Help with Python expressions.</h3>
+                            <p>You have to insert valid Python code block that stores at some moment a float/integer value of the quantity to invoice in the variable 'result'.</p>
+                            <p>You can use these variables to compute your formula:</p>
+                            <ul>
+                                <li><i>env</i>: Environment variable for getting other models.</li>
+                                <li><i>context</i>: Current context dictionary.</li>
+                                <li><i>user</i>: Current user.</li>
+                                <li><i>line</i>: Contract recurring invoice line that triggers this formula.</li>
+                                <li><i>contract</i>: Contract whose line belongs to.</li>
+                                <li><i>invoice</i>: Invoice (header) being created.</li>
+                            </ul>
+                            <div>
+                                <p>Example of Python code</p>
+                                <code>
+                                    result = env['product.product'].search_count([('sale_ok', '=', True)])
+                                </code>
+                            </div>
+                        </div>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <record id="action_contract_quantity_formula" model="ir.actions.act_window">
+        <field name="name">Formulas (quantity)</field>
+        <field name="res_model">contract.line.qty.formula</field>
+        <field name="view_type">form</field>
+        <field name="view_mode">tree,form</field>
+        <field name="help" type="html">
+            <p class="oe_view_nocontent_create">
+                Click to create a new formula for variable quantities.
+            </p>
+        </field>
+    </record>
+
+    <menuitem id="contract.menu_config_contract"
+              name="Contracts"
+              sequence="5"
+              parent="base.menu_sale_config"
+    />
+    <menuitem id="menu_contract_quantity_formula"
+              action="action_contract_quantity_formula"
+              parent="contract.menu_config_contract"
+    />
+
+</odoo>