fix(spp_api_v2): protect system_id from manual edit and deletion

Author: pmigueld

spp_api_v2/models/__init__.py

@@ -12,3 +12,4 @@
 from . import ir_http_patch
 from . import res_partner_mobile
 from . import res_partner_system_id
+from . import spp_registry_id_system

spp_api_v2/models/spp_registry_id_system.py

@@ -0,0 +1,24 @@
+# Part of OpenSPP. See LICENSE file for full copyright and licensing details.
+"""Protect system_id registry entries from manual edits."""
+
+from odoo import _, api, models
+from odoo.exceptions import UserError
+
+
+class SPPRegistryIdSystem(models.Model):
+    _inherit = "spp.registry.id"
+
+    @api.ondelete(at_uninstall=False)
+    def _prevent_system_id_delete(self):
+        """Prevent deletion of system_id entries."""
+        for rec in self:
+            if rec.id_type_id and rec.id_type_id.code == "system_id":
+                raise UserError(_("System ID is auto-generated and cannot be deleted."))
+
+    def write(self, vals):
+        """Prevent editing value of system_id entries."""
+        if "value" in vals:
+            for rec in self:
+                if rec.id_type_id and rec.id_type_id.code == "system_id":
+                    raise UserError(_("System ID is auto-generated and cannot be modified."))
+        return super().write(vals)