Add data interface for globalmessages API

endpoints/api/globalmessages_models_pre_oci.py

@@ -0,0 +1,25 @@
+from globalmessages_models_interface import GlobalMessageDataInterface, GlobalMessage
+from data import model
+
+
+class GlobalMessagePreOCI(GlobalMessageDataInterface):
+  
+  def get_all_messages(self):
+    messages = model.message.get_messages()
+    return [self._message(m) for m in messages]
+  
+  def create_message(self, content):
+    model.message.create([content])
+  
+  def delete_message(self, uuid):
+    model.message.delete_message([uuid])
+  
+  def _message(self, message_obj):
+    return GlobalMessage(
+      uuid=message_obj.uuid,
+      content=message_obj.content,
+      severity=message_obj.severity,
+      media_type_name=message_obj.media_type.name,
+    )
+  
+pre_oci_model = GlobalMessagePreOCI()