feat: space hierarchies

src/service/pdu.rs

@@ -1,9 +1,9 @@
 use crate::Error;
 use ruma::{
     events::{
-        room::member::RoomMemberEventContent, AnyEphemeralRoomEvent, AnyMessageLikeEvent,
-        AnyStateEvent, AnyStrippedStateEvent, AnySyncStateEvent, AnySyncTimelineEvent,
-        AnyTimelineEvent, StateEvent, TimelineEventType,
+        room::member::RoomMemberEventContent, space::child::HierarchySpaceChildEvent,
+        AnyEphemeralRoomEvent, AnyMessageLikeEvent, AnyStateEvent, AnyStrippedStateEvent,
+        AnySyncStateEvent, AnySyncTimelineEvent, AnyTimelineEvent, StateEvent, TimelineEventType,
     },
     serde::Raw,
     state_res, CanonicalJsonObject, CanonicalJsonValue, EventId, MilliSecondsSinceUnixEpoch,
@@ -248,6 +248,19 @@ impl PduEvent {
         serde_json::from_value(json).expect("Raw::from_value always works")
     }
 
+    #[tracing::instrument(skip(self))]
+    pub fn to_stripped_spacechild_state_event(&self) -> Raw<HierarchySpaceChildEvent> {
+        let json = json!({
+            "content": self.content,
+            "type": self.kind,
+            "sender": self.sender,
+            "state_key": self.state_key,
+            "origin_server_ts": self.origin_server_ts,
+        });
+
+        serde_json::from_value(json).expect("Raw::from_value always works")
+    }
+
     #[tracing::instrument(skip(self))]
     pub fn to_member_event(&self) -> Raw<StateEvent<RoomMemberEventContent>> {
         let mut json = json!({