feat: add event bus backend

eventtracking/backends/event_bus.py

@@ -0,0 +1,28 @@
+"""Event tracker backend that emits events to the event-bus."""
+from openedx_events.analytics.signals import TRACKING_EVENT_EMITTED
+from openedx_events.analytics.data import TrackingLogData
+
+class EventBusRoutingBackend:
+    """
+    Event tracker backend that emits an Open edX public signal.
+    """
+
+    def __init__(self, **kwargs):
+        """
+        Event tracker backend that emits an Open edX public signal.
+        """
+
+    def send(self, event):
+        """
+        Emit the TRACKING_EVENT_EMITTED Open edX public signal to allow
+        other apps to listen for tracking events.
+        """
+        # .. event_implemented_name: TRACKING_EVENT_EMITTED
+        TRACKING_EVENT_EMITTED.send_event(
+            tracking_log=TrackingLogData(
+                name=event.get('name'),
+                timestamp=event.get('timestamp'),
+                data=event.get('data'),
+                context=event.get('context')
+            )
+        )