Add graphene type for LessonEvent

aleksis/apps/chronos/schema/__init__.py

@@ -3,6 +3,7 @@ from graphene_django import DjangoObjectType
 
 from aleksis.core.models import Group, Person, Room
 
+from ..models import LessonEvent
 from ..util.chronos_helpers import get_classes, get_rooms, get_teachers
 
 
@@ -45,6 +46,17 @@ class TimetableObjectType(graphene.ObjectType):
 
     def resolve_id(root, info, **kwargs):
         return f"{root.type.value}-{root.id}"
+        
+        
+class LessonEventType(DjangoObjectType):
+    class Meta:
+        model = LessonEvent
+        fields = (
+            "id",
+        )
+        filter_fields = {
+            "id": ["exact", "lte", "gte"],
+        }
 
 
 class Query(graphene.ObjectType):