[REF] Create membership_type

Make membership_variable_period depend on it. This allows future modules
that also use the membership_type field.

Signed-off-by: Carmen Bianca BAKKER <[email protected]>

membership_type/README.rst

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+================
+Membership types
+================
+
+.. 
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! This file is generated by oca-gen-addon-readme !!
+   !! changes will be overwritten.                   !!
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! source digest: sha256:e4b8cd5d073b97106ebb8c15b9d9e0f948e06f275c08006523f2c937c943c7b1
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+.. |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%2Fvertical--association-lightgray.png?logo=github
+    :target: https://github.com/OCA/vertical-association/tree/16.0/membership_type
+    :alt: OCA/vertical-association
+.. |badge4| image:: https://img.shields.io/badge/weblate-Translate%20me-F47D42.png
+    :target: https://translation.odoo-community.org/projects/vertical-association-16-0/vertical-association-16-0-membership_type
+    :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/vertical-association&target_branch=16.0
+    :alt: Try me on Runboat
+
+|badge1| |badge2| |badge3| |badge4| |badge5|
+
+A small module that provides the scaffolding for membership types that interact differently with membership periods.
+
+**Table of contents**
+
+.. contents::
+   :local:
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues <https://github.com/OCA/vertical-association/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/vertical-association/issues/new?body=module:%20membership_type%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
+~~~~~~~
+
+* Coop IT Easy
+
+Contributors
+~~~~~~~~~~~~
+
+* Coop IT Easy:
+
+  * Carmen Bianca BAKKER
+
+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.
+
+.. |maintainer-carmenbianca| image:: https://github.com/carmenbianca.png?size=40px
+    :target: https://github.com/carmenbianca
+    :alt: carmenbianca
+
+Current `maintainer <https://odoo-community.org/page/maintainer-role>`__:
+
+|maintainer-carmenbianca| 
+
+This module is part of the `OCA/vertical-association <https://github.com/OCA/vertical-association/tree/16.0/membership_type>`_ project on GitHub.
+
+You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.

membership_type/__init__.py

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+# SPDX-FileCopyrightText: 2023 Coop IT Easy, Odoo Community Association (OCA)
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
+from . import models

membership_type/__manifest__.py

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+# SPDX-FileCopyrightText: 2023 Coop IT Easy, Odoo Community Association (OCA)
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
+{
+    "name": "Membership types",
+    "summary": """
+        A small module that provides the scaffolding for membership types that
+        interact differently with membership periods.""",
+    "version": "16.0.1.0.0",
+    "category": "Association",
+    "website": "https://github.com/OCA/vertical-association",
+    "author": "Coop IT Easy, Odoo Community Association (OCA)",
+    "maintainers": ["carmenbianca"],
+    "license": "AGPL-3",
+    "application": False,
+    "depends": ["membership_extension"],
+    "excludes": [],
+    "data": ["views/product_template_views.xml"],
+    "demo": [],
+    "qweb": [],
+}

membership_type/models/__init__.py

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+# SPDX-FileCopyrightText: 2023 Coop IT Easy SC
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
+from . import product_template

membership_type/models/product_template.py

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+# Copyright 2015 Tecnativa - Pedro M. Baeza
+# Copyright 2016 Tecnativa - Antonio Espinosa
+# Copyright 2019 Onestein - Andrea Stirpe
+# Copyright 2023 Coop IT Easy SC
+# License AGPL-3 - See https://www.gnu.org/licenses/agpl-3.0.html
+
+
+from odoo import api, fields, models
+
+
+class ProductTemplate(models.Model):
+    _inherit = "product.template"
+
+    membership_type = fields.Selection(
+        selection=[("fixed", "Fixed dates")],
+        default="fixed",
+        required=True,
+    )
+
+    @api.constrains(
+        "membership",
+        "membership_type",
+    )
+    def _check_membership_dates(self):
+        return super(
+            ProductTemplate,
+            self.filtered(lambda record: record.membership_type == "fixed"),
+        )._check_membership_dates()
+
+    @api.model
+    def _correct_vals_membership_type(self, vals):
+        """This method exists for downstream adopters to adjust some values
+        prior to writing/creating a record. Typically this is used to set
+        membership_date_from and membership_date_to to False.
+        """
+        return vals
+
+    @api.model_create_multi
+    def create(self, vals_list):
+        for vals in vals_list:
+            self._correct_vals_membership_type(vals)
+        return super().create(vals_list)
+
+    def write(self, vals):
+        if not vals.get("membership_type"):
+            return super().write(vals)
+        for rec in self:
+            rec._correct_vals_membership_type(vals)
+            super(ProductTemplate, rec).write(vals)
+        return True

membership_type/readme/CONTRIBUTORS.rst

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+* Coop IT Easy:
+
+  * Carmen Bianca BAKKER

membership_type/readme/DESCRIPTION.rst

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+A small module that provides the scaffolding for membership types that interact differently with membership periods.