[ADD] partner_contact_depth

partner_contact_depth/README.rst

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+==============
+Contacts depth
+==============
+
+.. 
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! This file is generated by oca-gen-addon-readme !!
+   !! changes will be overwritten.                   !!
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+.. |badge1| image:: https://img.shields.io/badge/maturity-Beta-yellow.png
+    :target: https://odoo-community.org/page/development-status
+    :alt: Beta
+.. |badge2| image:: https://img.shields.io/badge/licence-AGPL--3-blue.png
+    :target: http://www.gnu.org/licenses/agpl-3.0-standalone.html
+    :alt: License: AGPL-3
+.. |badge3| image:: https://img.shields.io/badge/github-OCA%2Fpartner--contact-lightgray.png?logo=github
+    :target: https://github.com/OCA/partner-contact/tree/16.0/partner_contact_depth
+    :alt: OCA/partner-contact
+.. |badge4| image:: https://img.shields.io/badge/weblate-Translate%20me-F47D42.png
+    :target: https://translation.odoo-community.org/projects/partner-contact-16-0/partner-contact-16-0-partner_contact_depth
+    :alt: Translate me on Weblate
+.. |badge5| image:: https://img.shields.io/badge/runboat-Try%20me-875A7B.png
+    :target: https://runboat.odoo-community.org/builds?repo=OCA/partner-contact&target_branch=16.0
+    :alt: Try me on Runboat
+
+|badge1| |badge2| |badge3| |badge4| |badge5|
+
+This module adds the possibility of defining the maximum depth of the hierarchy of contacts
+
+**Table of contents**
+
+.. contents::
+   :local:
+
+Usage
+=====
+
+There is a new system parameter which is called partner_contact_depth. contacts_max_depth
+
+Behaviour:
+
+#. contacts_max_depth = 0, no depth restrictions
+#. contacts_max_depth = X, just will be allowed X levels of contacts hierarchy
+
+Example:
+
+#. If contacts_max_depth = 1, If we have Partner0 (depth=0) that his child is Partner1. If we try to add a new child to Partner1(depth=1), Partner2 (depth=2), a Validation Error will be raised as depth from Partner2 is greater that the contacts_max_depth
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues <https://github.com/OCA/partner-contact/issues>`_.
+In case of trouble, please check there if your issue has already been reported.
+If you spotted it first, help us to smash it by providing a detailed and welcomed
+`feedback <https://github.com/OCA/partner-contact/issues/new?body=module:%20partner_contact_depth%0Aversion:%2016.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**>`_.
+
+Do not contact contributors directly about support or help with technical issues.
+
+Credits
+=======
+
+Authors
+~~~~~~~
+
+* ForgeFlow S.L.
+
+Contributors
+~~~~~~~~~~~~
+
+* Àlex París <alex.paris@forgeflow.com>
+
+Maintainers
+~~~~~~~~~~~
+
+This module is maintained by the OCA.
+
+.. image:: https://odoo-community.org/logo.png
+   :alt: Odoo Community Association
+   :target: https://odoo-community.org
+
+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.
+
+This module is part of the `OCA/partner-contact <https://github.com/OCA/partner-contact/tree/16.0/partner_contact_depth>`_ project on GitHub.
+
+You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.

partner_contact_depth/__init__.py

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+from . import models

partner_contact_depth/__manifest__.py

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+{
+    "name": "Contacts depth",
+    "summary": "Restricts maximum depth of the hierarchy of contacts",
+    "version": "16.0.1.0.0",
+    "category": "Customer Relationship Management",
+    "website": "https://github.com/OCA/partner-contact",
+    "author": "ForgeFlow S.L., Odoo Community Association (OCA)",
+    "license": "AGPL-3",
+    "application": False,
+    "installable": True,
+    "auto_install": False,
+    "depends": [
+        "contacts",
+    ],
+    "data": [
+        "data/system_parameter.xml",
+    ],
+}

partner_contact_depth/data/system_parameter.xml

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+<?xml version="1.0" encoding="utf-8" ?>
+<odoo noupdate="1">
+    <record id="contacts_max_depth" model="ir.config_parameter">
+        <field name="key">partner_contact_depth.contacts_max_depth</field>
+        <field name="value">0</field>
+    </record>
+</odoo>

partner_contact_depth/models/__init__.py

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+from . import res_partner

partner_contact_depth/models/res_partner.py

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+from odoo import _, api, fields, models
+from odoo.exceptions import ValidationError
+
+
+class ResPartner(models.Model):
+    _inherit = "res.partner"
+
+    @api.depends("parent_id")
+    def _compute_contact_depth(self):
+        for partner in self:
+            depth = 0
+            parent = partner.parent_id
+            while parent:
+                depth += 1
+                parent = parent.parent_id
+            partner.depth = depth
+
+    depth = fields.Integer(compute="_compute_contact_depth", store=True)
+
+    @api.constrains("depth")
+    def check_maximum_contact_depth(self):
+        max_depth = int(
+            self.env["ir.config_parameter"]
+            .sudo()
+            .get_param("partner_contact_depth.contacts_max_depth", default=0)
+        )
+        for partner in self:
+            if 0 < max_depth < partner.depth:
+                raise ValidationError(
+                    _(
+                        "You have reached the maximum depth of contacts. "
+                        "You cannot create childs for this contact."
+                    )
+                )
+
+    def write(self, vals):
+        self.check_maximum_contact_depth()
+        return super().write(vals)

partner_contact_depth/readme/CONTRIBUTORS.rst

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+* Àlex París <alex.paris@forgeflow.com>

partner_contact_depth/readme/DESCRIPTION.rst

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+This module adds the possibility of defining the maximum depth of the hierarchy of contacts

partner_contact_depth/readme/USAGE.rst

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+There is a new system parameter which is called partner_contact_depth. contacts_max_depth
+
+Behaviour:
+
+#. contacts_max_depth = 0, no depth restrictions
+#. contacts_max_depth = X, just will be allowed X levels of contacts hierarchy
+
+Example:
+
+#. If contacts_max_depth = 1, If we have Partner0 (depth=0) that his child is Partner1. If we try to add a new child to Partner1(depth=1), Partner2 (depth=2), a Validation Error will be raised as depth from Partner2 is greater that the contacts_max_depth