From ab832da03eccef5d4b962c2464de819942212456 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Damir=20Jeli=C4=87?= <poljar@termina.org.uk>
Date: Mon, 7 Dec 2020 14:34:18 +0100
Subject: [PATCH] base: Deserialize ephemeral events.

---
 matrix_sdk_base/src/client.rs    | 20 ++++++++++++++++----
 matrix_sdk_base/src/responses.rs | 25 +++++++++++++++++++------
 2 files changed, 35 insertions(+), 10 deletions(-)

diff --git a/matrix_sdk_base/src/client.rs b/matrix_sdk_base/src/client.rs
index cc181edb..f6198c4d 100644
--- a/matrix_sdk_base/src/client.rs
+++ b/matrix_sdk_base/src/client.rs
@@ -55,7 +55,8 @@ use zeroize::Zeroizing;
 use crate::{
     error::Result,
     responses::{
-        AccountData, JoinedRoom, LeftRoom, Presence, Rooms, State, SyncResponse, Timeline,
+        AccountData, Ephemeral, JoinedRoom, LeftRoom, Presence, Rooms, State, SyncResponse,
+        Timeline,
     },
     session::Session,
     store::{InnerSummary, Room, RoomType, StateChanges, Store},
@@ -623,9 +624,20 @@ impl BaseClient {
                 summary.mark_members_missing();
             }
 
-            rooms
-                .join
-                .insert(room_id, JoinedRoom::new(timeline, state, account_data));
+            // TODO should we store this?
+            let ephemeral = Ephemeral {
+                events: room_info
+                    .ephemeral
+                    .events
+                    .into_iter()
+                    .filter_map(|e| e.deserialize().ok())
+                    .collect(),
+            };
+
+            rooms.join.insert(
+                room_id,
+                JoinedRoom::new(timeline, state, account_data, ephemeral),
+            );
 
             changes.add_room(summary);
         }
diff --git a/matrix_sdk_base/src/responses.rs b/matrix_sdk_base/src/responses.rs
index ab363ebe..936f559f 100644
--- a/matrix_sdk_base/src/responses.rs
+++ b/matrix_sdk_base/src/responses.rs
@@ -4,8 +4,8 @@ use std::collections::BTreeMap;
 use matrix_sdk_common::{
     api::r0::sync::sync_events::DeviceLists,
     events::{
-        presence::PresenceEvent, AnyBasicEvent, AnySyncRoomEvent, AnySyncStateEvent,
-        AnyToDeviceEvent,
+        presence::PresenceEvent, AnyBasicEvent, AnySyncEphemeralRoomEvent, AnySyncRoomEvent,
+        AnySyncStateEvent, AnyToDeviceEvent,
     },
     identifiers::{DeviceKeyAlgorithm, RoomId},
 };
@@ -84,21 +84,34 @@ pub struct JoinedRoom {
     pub state: State,
     /// The private data that this user has attached to this room.
     pub account_data: AccountData,
-    // /// The ephemeral events in the room that aren't recorded in the timeline or state of the
-    // /// room. e.g. typing.
-    // pub ephemeral: Ephemeral,
+    /// The ephemeral events in the room that aren't recorded in the timeline or state of the
+    /// room. e.g. typing.
+    pub ephemeral: Ephemeral,
 }
 
 impl JoinedRoom {
-    pub fn new(timeline: Timeline, state: State, account_data: AccountData) -> Self {
+    pub fn new(
+        timeline: Timeline,
+        state: State,
+        account_data: AccountData,
+        ephemeral: Ephemeral,
+    ) -> Self {
         Self {
             timeline,
             state,
             account_data,
+            ephemeral,
         }
     }
 }
 
+/// The ephemeral events in the room that aren't recorded in the timeline or
+/// state of the room. e.g. typing.
+#[derive(Clone, Debug, Deserialize, Serialize)]
+pub struct Ephemeral {
+    pub events: Vec<AnySyncEphemeralRoomEvent>,
+}
+
 #[derive(Clone, Debug, Deserialize, Serialize)]
 pub struct LeftRoom {
     /// The timeline of messages and state changes in the room up to the point