Add room event endpoint

CHANGELOG.md

@@ -20,3 +20,4 @@ Improvements:
 * Update `r0::account::change_password` from r0.3.0 to r0.6.0
   * Add optional `auth` field
 * Add `r0::device` endpoints
+* Add `r0::room::get_room_event` (introduced in r0.4.0)

src/r0/room.rs

@@ -1,6 +1,7 @@
 //! Endpoints for room creation.
 
 pub mod create_room;
+pub mod get_room_event;
 
 use serde::{Deserialize, Serialize};
 

src/r0/room/get_room_event.rs

@@ -0,0 +1,32 @@
+//! [GET /_matrix/client/r0/rooms/{roomId}/event/{eventId}](https://matrix.org/docs/spec/client_server/r0.6.0#get-matrix-client-r0-rooms-roomid-event-eventid)
+
+use ruma_api::ruma_api;
+use ruma_events::{collections::all, EventResult};
+use ruma_identifiers::{EventId, RoomId};
+use serde::Deserialize;
+
+ruma_api! {
+    metadata {
+        description: "Get a single event based on roomId/eventId",
+        method: GET,
+        name: "get_room_event",
+        path: "/_matrix/client/r0/rooms/:room_id/event/:event_id",
+        rate_limited: false,
+        requires_authentication: true,
+    }
+
+    request {
+        /// The ID of the room the event is in.
+        #[ruma_api(path)]
+        pub room_id: RoomId,
+        /// The ID of the event.
+        #[ruma_api(path)]
+        pub event_id: EventId,
+    }
+
+    response {
+        /// Arbitrary JSON of the event body. Returns both room and state events.
+        #[wrap_incoming(with EventResult)]
+        pub event: all::RoomEvent,
+    }
+}