Refactor events to be more generic (#6320)

* Organize event table to be more generalized

* Add appropriate fields to data

* Move tracked object logic to own function

* Add source type to event queue

* rename enum

* Fix types that are used in webUI

* remove redundant

* Formatting

* fix typing

* Rename enum

frigate/object_processing.py

@@ -21,6 +21,7 @@ from frigate.config import (
     FrigateConfig,
 )
 from frigate.const import CLIPS_DIR
+from frigate.events import EventTypeEnum
 from frigate.util import (
     SharedMemoryFrameManager,
     calculate_region,
@@ -656,7 +657,9 @@ class TrackedObjectProcessor(threading.Thread):
         self.last_motion_detected: dict[str, float] = {}
 
         def start(camera, obj: TrackedObject, current_frame_time):
-            self.event_queue.put(("start", camera, obj.to_dict()))
+            self.event_queue.put(
+                (EventTypeEnum.tracked_object, "start", camera, obj.to_dict())
+            )
 
         def update(camera, obj: TrackedObject, current_frame_time):
             obj.has_snapshot = self.should_save_snapshot(camera, obj)
@@ -670,7 +673,12 @@ class TrackedObjectProcessor(threading.Thread):
             self.dispatcher.publish("events", json.dumps(message), retain=False)
             obj.previous = after
             self.event_queue.put(
-                ("update", camera, obj.to_dict(include_thumbnail=True))
+                (
+                    EventTypeEnum.tracked_object,
+                    "update",
+                    camera,
+                    obj.to_dict(include_thumbnail=True),
+                )
             )
 
         def end(camera, obj: TrackedObject, current_frame_time):
@@ -722,7 +730,14 @@ class TrackedObjectProcessor(threading.Thread):
                 }
                 self.dispatcher.publish("events", json.dumps(message), retain=False)
 
-            self.event_queue.put(("end", camera, obj.to_dict(include_thumbnail=True)))
+            self.event_queue.put(
+                (
+                    EventTypeEnum.tracked_object,
+                    "end",
+                    camera,
+                    obj.to_dict(include_thumbnail=True),
+                )
+            )
 
         def snapshot(camera, obj: TrackedObject, current_frame_time):
             mqtt_config: MqttConfig = self.config.cameras[camera].mqtt