Start log tracing to log business events. Storage in both database and logging-backend.

common/utils/business_event_context.py

@@ -0,0 +1,25 @@
+from werkzeug.local import LocalProxy, LocalStack
+
+_business_event_stack = LocalStack()
+
+
+def _get_current_event():
+    top = _business_event_stack.top
+    if top is None:
+        raise RuntimeError("No business event context found. Are you sure you're in a business event?")
+    return top
+
+
+current_event = LocalProxy(_get_current_event)
+
+
+class BusinessEventContext:
+    def __init__(self, event):
+        self.event = event
+
+    def __enter__(self):
+        _business_event_stack.push(self.event)
+        return self.event
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        _business_event_stack.pop()