room: Add event() method to retrieve a room event

matrix_sdk/src/room/common.rs

@@ -6,6 +6,7 @@ use ruma::{
     api::client::r0::{
         membership::{get_member_events, join_room_by_id, leave_room},
         message::get_message_events,
+        room::get_room_event,
     },
     events::room::history_visibility::HistoryVisibility,
     UserId,
@@ -146,6 +147,17 @@ impl Common {
         self.client.send(request, None).await
     }
 
+    /// Sends a request to `/_matrix/client/r0/rooms/{roomId}/event/{eventId}`
+    /// and returns a `get_room_event::Response` that contains a event
+    /// (`AnyRoomEvent`).
+    pub async fn event(
+        &self,
+        request: impl Into<get_room_event::Request<'_>>,
+    ) -> Result<get_room_event::Response> {
+        let request = request.into();
+        self.client.send(request, None).await
+    }
+
     pub(crate) async fn request_members(&self) -> Result<Option<MembersResponse>> {
         #[allow(clippy::map_clone)]
         if let Some(mutex) =