Draft: [14.0][ADD] keep latest report record attachment

report_keep_latest_attachment/README.rst

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+=============================
+Report Keep Latest Attachment
+=============================
+
+.. 
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! This file is generated by oca-gen-addon-readme !!
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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-LGPL--3-blue.png
+    :target: http://www.gnu.org/licenses/lgpl-3.0-standalone.html
+    :alt: License: LGPL-3
+.. |badge3| image:: https://img.shields.io/badge/github-OCA%2Freporting--engine-lightgray.png?logo=github
+    :target: https://github.com/OCA/reporting-engine/tree/14.0/report_keep_latest_attachment
+    :alt: OCA/reporting-engine
+.. |badge4| image:: https://img.shields.io/badge/weblate-Translate%20me-F47D42.png
+    :target: https://translation.odoo-community.org/projects/reporting-engine-14-0/reporting-engine-14-0-report_keep_latest_attachment
+    :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/reporting-engine&target_branch=14.0
+    :alt: Try me on Runboat
+
+|badge1| |badge2| |badge3| |badge4| |badge5|
+
+This module restricts pdf reports to keep only the latest attachment of the
+report, by only storing the latest copy of it. Basically it removes duplicates
+where applicable.
+
+**Table of contents**
+
+.. contents::
+   :local:
+
+Configuration
+=============
+
+1. Go to *Technical -> Actions -> Reports* to the target report record (i.e ir.actions.report)
+2. Check the *keep_latest_attachment* option under *Advanced Properties*.
+
+Usage
+=====
+
+1. Go to *Technical -> Actions -> Reports* to the target report record (i.e ir.actions.report)
+2. Check the *keep_latest_attachment* option under *Advanced Properties*
+3. Generate attachments for selected report.
+
+e.g Under *Sales -> Orders -> Quotations* records; send a draft order mail
+attachment and check the attachments if duplicate attachment of the report
+are saved and if only the latest remained.
+
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues <https://github.com/OCA/reporting-engine/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/reporting-engine/issues/new?body=module:%20report_keep_latest_attachment%0Aversion:%2014.0%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
+~~~~~~~
+
+* Therp BV
+
+Contributors
+~~~~~~~~~~~~
+
+* Kevin Kamau  <[email protected]>
+* Tom Blauwendraat <[email protected]>
+
+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/reporting-engine <https://github.com/OCA/reporting-engine/tree/14.0/report_keep_latest_attachment>`_ project on GitHub.
+
+You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.

report_keep_latest_attachment/__init__.py

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+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl).
+
+from . import models

report_keep_latest_attachment/__manifest__.py

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+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl).
+
+{
+    "name": "Report Keep Latest Attachment",
+    "version": "14.0.1.0.0",
+    "summary": "Keeps the latest attachment for a give report",
+    "author": "Therp BV, Odoo Community Association (OCA)",
+    "website": "https://github.com/OCA/reporting-engine",
+    "license": "LGPL-3",
+    "category": "Reporting",
+    "depends": [
+        "base",
+    ],
+    "data": ["views/ir_actions_report.xml"],
+}

report_keep_latest_attachment/models/__init__.py

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+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl).
+
+from . import ir_actions_report

report_keep_latest_attachment/models/ir_actions_report.py

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+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl).
+
+from odoo import fields, models
+
+
+class IrActionsReport(models.Model):
+    _inherit = "ir.actions.report"
+
+    keep_latest_attachment = fields.Boolean()
+
+    def _post_pdf(self, save_in_attachment, pdf_content=None, res_ids=None):
+        ir_attachment_obj = self.env["ir.attachment"]
+        ids = []
+        if self.keep_latest_attachment:
+            if res_ids:
+                ids = res_ids
+            if save_in_attachment:
+                ids = list(save_in_attachment.keys())
+            if ids:
+                record = self.env[self.model_id.model].browse(ids)
+                domain = [
+                    ("res_model", "=", record._name),
+                    ("res_id", "=", str(record.id)),
+                    ("res_name", "ilike", "%{}%".format(record.name)),
+                    ("name", "ilike", "%.pdf"),
+                ]
+                attachments = ir_attachment_obj.search(domain, order="create_date desc")
+
+                if len(attachments) > 1:
+                    attachments_to_delete = attachments[1:]
+                    if attachments_to_delete:
+                        attachments_to_delete.unlink()
+
+        return super(IrActionsReport, self)._post_pdf(
+            save_in_attachment, pdf_content, res_ids
+        )

report_keep_latest_attachment/readme/CONFIGURE.rst

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+1. Go to *Technical -> Actions -> Reports* to the target report record (i.e ir.actions.report)
+2. Check the *keep_latest_attachment* option under *Advanced Properties*.

report_keep_latest_attachment/readme/CONTRIBUTORS.rst

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+* Kevin Kamau  <[email protected]>
+* Tom Blauwendraat <[email protected]>

report_keep_latest_attachment/readme/DESCRIPTION.rst

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+This module restricts pdf reports to keep only the latest attachment of the
+report, by only storing the latest copy of it. Basically it removes duplicates
+where applicable.

report_keep_latest_attachment/readme/USAGE.rst

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+1. Go to *Technical -> Actions -> Reports* to the target report record (i.e ir.actions.report)
+2. Check the *keep_latest_attachment* option under *Advanced Properties*
+3. Generate attachments for selected report.
+
+e.g Under *Sales -> Orders -> Quotations* records; send a draft order mail
+attachment and check the attachments if duplicate attachment of the report
+are saved and if only the latest remained.
+