Room deletion (fixes #43)

src/service/rooms/search/mod.rs

@@ -7,12 +7,13 @@ use tuwunel_core::{
 	arrayvec::ArrayVec,
 	implement,
 	matrix::event::{Event, Matches},
+	trace,
 	utils::{
 		ArrayVecExt, IterStream, ReadyExt, set,
 		stream::{TryIgnore, WidebandExt},
 	},
 };
-use tuwunel_database::{Map, keyval::Val};
+use tuwunel_database::{Interfix, Map, keyval::Val};
 
 use crate::rooms::{
 	short::ShortRoomId,
@@ -197,6 +198,23 @@ fn search_pdu_ids_query_word(
 		.ready_take_while(move |key| key.starts_with(&prefix))
 }
 
+#[implement(Service)]
+pub async fn delete_all_search_tokenids_for_room(&self, room_id: &RoomId) -> Result {
+	let prefix = (room_id, Interfix);
+
+	self.db
+		.tokenids
+		.keys_prefix_raw(&prefix)
+		.ignore_err()
+		.ready_for_each(|key| {
+			trace!("Removing key: {key:?}");
+			self.db.tokenids.remove(key);
+		})
+		.await;
+
+	Ok(())
+}
+
 /// Splits a string into tokens used as keys in the search inverted index
 ///
 /// This may be used to tokenize both message bodies (for indexing) or search