From 50663c77005b5157b939cd37fd9d4204130b745e Mon Sep 17 00:00:00 2001
From: git_admin <gitea@local.domain>
Date: Mon, 27 Apr 2026 08:16:00 +0000
Subject: [PATCH] Tower: upload cetmix_tower_server 16.0.3.0.1 (via
 marketplace)

---
 .../models/cx_tower_metadata_mixin.py         | 45 +++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 addons/cetmix_tower_server/models/cx_tower_metadata_mixin.py

diff --git a/addons/cetmix_tower_server/models/cx_tower_metadata_mixin.py b/addons/cetmix_tower_server/models/cx_tower_metadata_mixin.py
new file mode 100644
index 0000000..0d0b2f7
--- /dev/null
+++ b/addons/cetmix_tower_server/models/cx_tower_metadata_mixin.py
@@ -0,0 +1,45 @@
+# Copyright (C) 2026 Cetmix OÜ
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+from odoo import api, fields, models
+
+
+class CxTowerMetadataMixin(models.AbstractModel):
+    """Used to implement metadata in models."""
+
+    _name = "cx.tower.metadata.mixin"
+    _description = "Cetmix Tower metadata mixin"
+
+    metadata = fields.Json(
+        help="Additional metadata for this record",
+        readonly=True,
+        groups="cetmix_tower_server.group_manager",
+    )
+    metadata_text = fields.Text(
+        help="Additional metadata for this record",
+        compute="_compute_metadata_text",
+        groups="cetmix_tower_server.group_manager",
+    )
+
+    @api.depends("metadata")
+    def _compute_metadata_text(self):
+        """
+        Compute the metadata text for the record
+        """
+        for record in self:
+            record.metadata_text = str(record.metadata) if record.metadata else False
+
+    def update_metadata(self, metadata):
+        """
+        Updates the metadata for the record.
+        Preserves the existing metadata.
+
+        Args:
+            metadata (dict): The metadata to update the record with
+
+        Returns:
+            bool: True if the metadata was updated, False otherwise
+        """
+        self.ensure_one()
+        # Preserve the existing data in self.metadata.
+        self.write({"metadata": {**(self.metadata or {}), **metadata}})
+        return True