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Bug description --------------- `account.analytic.contract.line` inherits `account.analytic.invoice.line` `account.analytic.invoice.line` defines field `analytic_account_id`: - comodel='account.analytic.account' `account.analytic.contract.line` redefines field `analytic_account_id`: - comodel='account.analytic.contract' On attempt to extend `account.analytic.invoice.line` model adding field that depends on `analytic_account_id.date_start` Odoo fails to update, because it adds this field to `account.analytic.contract.line` through inheritance, and `account.analytic.contract` model have no this field. What is done ------------ Change inheritance order: - `account.analytic.invoice.line` inherits `account.analytic.contract.line` - no file renames at this stage (this wil be done in next commit)
.. 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 to a provided formula.
Configuration
=============
#. Go to Invoicing > 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.
.. figure:: images/formula_form.png
:alt: Formula form
:width: 600 px
Usage
=====
To use this module, you need to:
#. Go to Invoicing > 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/110/11.0
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>
* Dave Lasley <dave@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.