dav_events: Added EventChange to admin interface

dav_events/admin.py

@@ -1,6 +1,6 @@
 from django.contrib import admin
 
-from .models import EventStatus, EventFlag, Event, OneClickAction, Participant, TrashedParticipant
+from .models import EventStatus, EventFlag, EventChange, Event, OneClickAction, Participant, TrashedParticipant
 
 
 @admin.register(EventStatus)
@@ -8,6 +8,11 @@ class EventStatusAdmin(admin.ModelAdmin):
     pass
 
 
+class EventChangeInline(admin.TabularInline):
+    model = EventChange
+    extra = 1
+
+
 class EventFlagInline(admin.TabularInline):
     model = EventFlag
     extra = 1
@@ -19,7 +24,7 @@ class EventParticipantInline(admin.TabularInline):
 
 @admin.register(Event)
 class EventAdmin(admin.ModelAdmin):
-    inlines = [EventFlagInline, EventParticipantInline]
+    inlines = [EventChangeInline, EventFlagInline, EventParticipantInline]
     ordering = ['sport', 'number']