Provides a way for other modules to define a message type.

NEWS.rst

 Changelog
 =========
 
+18.0.2.0.0
+----------
+
+* Provide another way for other modules to define a message type.
+
 18.0.1.0.1
 ----------
 

__manifest__.py

@@ -22,7 +22,7 @@
     "license": "AGPL-3",
     "summary": "Xbus common elements",
     "icon": "/xbus_common/static/description/icon.svg",
-    "version": "18.0.1.0.1",
+    "version": "18.0.2.0.0",
     "category": "Technical",
     "author": "XCG Consulting",
     "website": "https://orbeet.io/",

models/xbus_message.py

@@ -46,7 +46,7 @@
     # is only used to display information
     uid = fields.Char(string="UID", readonly=True)
 
-    type = fields.Selection([], required=True)
+    type = fields.Selection(selection="_get_type_selection", required=True)
 
     header = fields.Binary(attachment=False)
 
@@ -88,6 +88,14 @@
                     return False
         return False
 
+    def _get_type_selection(self) -> list[tuple[str, str]]:
+        """Provides a list of message type selection values.
+
+        When adding elements, remember to clean up the message table when your
+        module is uninstalled.
+        """
+        return []
+
     link_ids = fields.One2many(
         comodel_name="xbus.message.link",
         string="Linked Records",

tests/models.py

@@ -26,7 +26,7 @@
 
     _inherit = "xbus.message"
 
-    type = fields.Selection(
-        selection_add=[
+    def _get_type_selection(self):
+        return [
             ("test_1", "Test Message Type 1"),
             ("test_2", "Test Message Type 2"),
@@ -31,5 +31,3 @@
             ("test_1", "Test Message Type 1"),
             ("test_2", "Test Message Type 2"),
-        ],
-        ondelete={"test_1": "cascade", "test_2": "cascade"},
-    )
+        ]