[19.0][ADD] agreement_category: add agreement tagging functionality

agreement_category/README.rst

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+.. image:: https://odoo-community.org/readme-banner-image
+   :target: https://odoo-community.org/get-involved?utm_source=readme
+   :alt: Odoo Community Association
+
+====================
+Agreement - Category
+====================
+
+.. 
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! This file is generated by oca-gen-addon-readme !!
+   !! changes will be overwritten.                   !!
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! source digest: sha256:7c6bfddf64bc58c7b9900d5f0728230df9e6cc95ceca82250e3758f903dcf432
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+.. |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/license-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%2Fagreement-lightgray.png?logo=github
+    :target: https://github.com/OCA/agreement/tree/19.0/agreement_category
+    :alt: OCA/agreement
+.. |badge4| image:: https://img.shields.io/badge/weblate-Translate%20me-F47D42.png
+    :target: https://translation.odoo-community.org/projects/agreement-19-0/agreement-19-0-agreement_category
+    :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/agreement&target_branch=19.0
+    :alt: Try me on Runboat
+
+|badge1| |badge2| |badge3| |badge4| |badge5|
+
+The Agreements app lets you classify agreements by type, but a type is a
+flat list that also drives the sale/purchase domain of an agreement.
+
+This module adds tags on agreements, the same way contacts are tagged:
+
+-  a new *Agreement Tags* model (``agreement.category``), maintained
+   from *Agreements > Configuration > Tags*,
+-  a *Tags* field on the agreement form and list view,
+-  agreements can be searched, filtered and grouped by tag.
+
+**Table of contents**
+
+.. contents::
+   :local:
+
+Usage
+=====
+
+To create agreement tags:
+
+1. Go to *Agreements > Configuration > Tags*.
+2. Create a tag, pick a color.
+
+To tag an agreement:
+
+1. Go to *Agreements > Agreements* and open an agreement.
+2. Add as many tags as needed in the *Tags* field.
+
+In the agreement list view, use *Group By > Tags* to review the
+agreements per tag.
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues <https://github.com/OCA/agreement/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/agreement/issues/new?body=module:%20agreement_category%0Aversion:%2019.0%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
+-------
+
+* glueckkanja AG
+
+Contributors
+------------
+
+-  `glueckkanja AG <https://glueckkanja.com>`__:
+
+   -  Mohamed Osman <mohamed.osman@glueckkanja.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/agreement <https://github.com/OCA/agreement/tree/19.0/agreement_category>`_ project on GitHub.
+
+You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.

agreement_category/__init__.py

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+from . import models

agreement_category/__manifest__.py

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+{
+    "name": "Agreement - Category",
+    "summary": "Classify agreements with tags",
+    "version": "19.0.1.0.0",
+    "category": "Contract",
+    "author": "glueckkanja AG, Odoo Community Association (OCA)",
+    "website": "https://github.com/OCA/agreement",
+    "license": "AGPL-3",
+    "depends": ["agreement"],
+    "data": [
+        "security/ir.model.access.csv",
+        "views/agreement_category_views.xml",
+        "views/agreement_views.xml",
+    ],
+    "development_status": "Beta",
+    "installable": True,
+}

agreement_category/models/__init__.py

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+from . import agreement_category
+from . import agreement

agreement_category/models/agreement.py

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+from odoo import fields, models
+
+
+class Agreement(models.Model):
+    _inherit = "agreement"
+
+    category_ids = fields.Many2many(
+        "agreement.category",
+        column1="agreement_id",
+        column2="category_id",
+        string="Tags",
+        tracking=True,
+        help="Classify the agreement with as many tags as needed.",
+    )

agreement_category/models/agreement_category.py

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+from random import randint
+
+from odoo import fields, models
+
+
+class AgreementCategory(models.Model):
+    _name = "agreement.category"
+    _description = "Agreement Tags"
+    _order = "name"
+
+    def _get_default_color(self):
+        return randint(1, 11)
+
+    name = fields.Char(required=True, translate=True)
+    color = fields.Integer(
+        default=lambda self: self._get_default_color(), aggregator=False
+    )
+    active = fields.Boolean(
+        default=True,
+        help="The active field allows you to hide the tag without removing it.",
+    )
+    agreement_ids = fields.Many2many(
+        "agreement",
+        column1="category_id",
+        column2="agreement_id",
+        string="Agreements",
+        copy=False,
+    )

agreement_category/pyproject.toml

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+[build-system]
+requires = ["whool"]
+build-backend = "whool.buildapi"

agreement_category/readme/CONTRIBUTORS.md

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+- [glueckkanja AG](https://glueckkanja.com):
+    - Mohamed Osman \<<mohamed.osman@glueckkanja.com>\>

agreement_category/readme/DESCRIPTION.md

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+The Agreements app lets you classify agreements by type, but a type is a
+flat list that also drives the sale/purchase domain of an agreement.
+
+This module adds tags on agreements, the same way contacts are tagged:
+
+- a new *Agreement Tags* model (`agreement.category`), maintained from
+  *Agreements \> Configuration \> Tags*,
+- a *Tags* field on the agreement form and list view,
+- agreements can be searched, filtered and grouped by tag.

agreement_category/readme/USAGE.md

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+To create agreement tags:
+
+1.  Go to *Agreements \> Configuration \> Tags*.
+2.  Create a tag, pick a color.
+
+To tag an agreement:
+
+1.  Go to *Agreements \> Agreements* and open an agreement.
+2.  Add as many tags as needed in the *Tags* field.
+
+In the agreement list view, use *Group By \> Tags* to review the agreements
+per tag.

agreement_category/security/ir.model.access.csv

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+id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
+access_agreement_category_user,agreement.category.user,model_agreement_category,agreement.group_agreement_readonly,1,0,0,0
+access_agreement_category_manager,agreement.category.manager,model_agreement_category,agreement.group_agreement_manager,1,1,1,1