Initial commit: Odoo 18.0-20251222 extra-addons

account_invoice_refund_link/models/__init__.py

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+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from . import account_move
+from . import account_move_line

account_invoice_refund_link/models/account_move.py

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+# Copyright 2004-2011 Pexego Sistemas Informáticos. (http://pexego.es)
+# Copyright 2016 Antonio Espinosa <antonio.espinosa@tecnativa.com>
+# Copyright 2014-2022 Pedro M. Baeza <pedro.baeza@tecnativa.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import fields, models
+
+
+class AccountMove(models.Model):
+    _inherit = "account.move"
+
+    refund_invoice_ids = fields.One2many(
+        "account.move", "reversed_entry_id", string="Refund Invoices", readonly=True
+    )

account_invoice_refund_link/models/account_move_line.py

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+# Copyright 2004-2011 Pexego Sistemas Informáticos. (http://pexego.es)
+# Copyright 2016 Tecnativa - Antonio Espinosa
+# Copyright 2014-2023 Tecnativa - Pedro M. Baeza
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import fields, models
+
+
+class AccountInvoiceLine(models.Model):
+    _inherit = "account.move.line"
+
+    origin_line_id = fields.Many2one(
+        comodel_name="account.move.line",
+        string="Original invoice line",
+        help="Original invoice line to which this refund invoice line is referred to",
+        copy=False,
+        index=True,
+    )
+    refund_line_ids = fields.One2many(
+        comodel_name="account.move.line",
+        inverse_name="origin_line_id",
+        string="Refund invoice lines",
+        help="Refund invoice lines created from this invoice line",
+        copy=False,
+    )
+
+    def copy_data(self, default=None):
+        """Link refund lines with the original ones when copying move lines from the
+        `_reverse_move_vals` method.
+        """
+        res = super().copy_data(default=default)
+        if self.env.context.get("link_origin_line"):
+            for line, values in zip(self, res, strict=False):
+                values["origin_line_id"] = line.id
+        return res