Initial commit: Odoo 18.0-20251222 extra-addons

sale_order_line_remove/models/__init__.py

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+from . import sale_order
+from . import res_config_settings

sale_order_line_remove/models/res_config_settings.py

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+# Copyright 2025 ForgeFlow, S.L. (https://www.forgeflow.com)
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
+
+from odoo import fields, models
+
+
+class ResConfigSettings(models.TransientModel):
+    _inherit = "res.config.settings"
+    restrict_sale_order_line_remove = fields.Boolean(
+        "Allow Sale Order Line Remove",
+        config_parameter="sale.order.line.remove",
+        help="Allow removing confirmed sale order lines only "
+        "if they are not invoiced or delivered.",
+    )

sale_order_line_remove/models/sale_order.py

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+# Copyright 2023 ForgeFlow, S.L. (https://www.forgeflow.com)
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
+
+from odoo import _, models
+from odoo.exceptions import UserError
+
+
+class SaleOrderLine(models.Model):
+    _inherit = "sale.order.line"
+
+    def _check_line_unlink(self):
+        non_removable_lines = super()._check_line_unlink()
+        if (
+            not self.env["ir.config_parameter"]
+            .sudo()
+            .get_param("sale.order.line.remove")
+        ):
+            return non_removable_lines
+        else:
+            removable_lines = self.filtered(
+                lambda line: line.state in ("sale", "done")
+                and not line.invoice_lines
+                and not line.move_ids.filtered(lambda move: move.state == "done")
+            )
+            invoiced_lines = self.sudo().filtered(
+                lambda line: line.state in ("sale", "done") and line.invoice_lines
+            )
+            if invoiced_lines:
+                raise UserError(
+                    _("You can not remove an order line that has been invoiced")
+                )
+            delivered_lines = self.sudo().filtered(
+                lambda line: line.state in ("sale", "done")
+                and line.move_ids.filtered(lambda move: move.state == "done")
+            )
+            if delivered_lines:
+                raise UserError(
+                    _("You can not remove an order line that has been delivered")
+                )
+            return non_removable_lines - removable_lines
+
+    def unlink(self):
+        non_removable_lines = self._check_line_unlink()
+        if (
+            not self.env["ir.config_parameter"]
+            .sudo()
+            .get_param("sale.order.line.remove")
+        ):
+            return super().unlink()
+        else:
+            for line in self - non_removable_lines:
+                related_pickings = line.move_ids.mapped("picking_id")
+                line.move_ids.filtered(
+                    lambda move: move.state not in ("done", "cancel")
+                )._action_cancel()
+                line.move_ids.filtered(lambda move: move.state != "done").unlink()
+                for picking in related_pickings:
+                    if not picking.move_ids_without_package:
+                        picking.unlink()
+            return super().unlink()