fix(base): Rewrite RoomNotableTags

bindings/matrix-sdk-ffi/src/room.rs

@@ -3,7 +3,7 @@ use std::{convert::TryFrom, sync::Arc};
 use anyhow::{Context, Result};
 use matrix_sdk::{
     room::{power_levels::RoomPowerLevelChanges, Room as SdkRoom},
-    RoomMemberships, RoomNotableTags, RoomState,
+    RoomMemberships, RoomState,
 };
 use matrix_sdk_ui::timeline::RoomExt;
 use mime::Mime;
@@ -256,27 +256,12 @@ impl Room {
         })))
     }
 
-    pub fn subscribe_to_notable_tags(
-        self: Arc<Self>,
-        listener: Box<dyn RoomNotableTagsListener>,
-    ) -> Arc<TaskHandle> {
-        Arc::new(TaskHandle::new(RUNTIME.spawn(async move {
-            let (initial, mut subscriber) = self.inner.notable_tags_stream().await;
-            // Send the initial value
-            listener.call(initial);
-            // Then wait for changes
-            while let Some(notable_tags) = subscriber.next().await {
-                listener.call(notable_tags);
-            }
-        })))
-    }
-
-    pub async fn set_is_favorite(
+    pub async fn set_is_favourite(
         &self,
         is_favorite: bool,
         tag_order: Option<f64>,
     ) -> Result<(), ClientError> {
-        self.inner.set_is_favorite(is_favorite, tag_order).await?;
+        self.inner.set_is_favourite(is_favorite, tag_order).await?;
         Ok(())
     }
 
@@ -626,11 +611,6 @@ pub trait TypingNotificationsListener: Sync + Send {
     fn call(&self, typing_user_ids: Vec<String>);
 }
 
-#[uniffi::export(callback_interface)]
-pub trait RoomNotableTagsListener: Sync + Send {
-    fn call(&self, notable_tags: RoomNotableTags);
-}
-
 #[derive(uniffi::Object)]
 pub struct RoomMembersIterator {
     chunk_iterator: ChunkIterator<matrix_sdk::room::RoomMember>,

crates/matrix-sdk-base/Cargo.toml

@@ -39,7 +39,7 @@ as_variant = { workspace = true }
 assert_matches = { workspace = true, optional = true }
 assert_matches2 = { workspace = true, optional = true }
 async-trait = { workspace = true }
-bitflags = "2.1.0"
+bitflags = { version = "2.4.0", features = ["serde"] }
 eyeball = { workspace = true }
 eyeball-im = { workspace = true }
 futures-util = { workspace = true }

crates/matrix-sdk-base/src/client.rs

@@ -44,7 +44,7 @@ use ruma::{
         },
         AnyGlobalAccountDataEvent, AnyRoomAccountDataEvent, AnyStrippedStateEvent,
         AnySyncEphemeralRoomEvent, AnySyncMessageLikeEvent, AnySyncStateEvent,
-        AnySyncTimelineEvent, GlobalAccountDataEventType, RoomAccountDataEventType, StateEventType,
+        AnySyncTimelineEvent, GlobalAccountDataEventType, StateEventType,
     },
     push::{Action, PushConditionRoomCtx, Ruleset},
     serde::Raw,
@@ -68,7 +68,7 @@ use crate::{
         StateChanges, StateStoreDataKey, StateStoreDataValue, StateStoreExt, Store, StoreConfig,
     },
     sync::{JoinedRoom, LeftRoom, Notification, Rooms, SyncResponse, Timeline},
-    RoomNotableTags, RoomStateFilter, SessionMeta,
+    RoomStateFilter, SessionMeta,
 };
 #[cfg(feature = "e2e-encryption")]
 use crate::{error::Error, RoomMemberships};
@@ -538,22 +538,56 @@ impl BaseClient {
         events: &[Raw<AnyRoomAccountDataEvent>],
         changes: &mut StateChanges,
     ) {
+        // Small helper to make the code easier to read.
+        //
+        // It finds the appropriate `RoomInfo`, allowing the caller to modify it, and
+        // save it in the correct place.
+        fn on_room_info<F>(
+            room_id: &RoomId,
+            changes: &mut StateChanges,
+            client: &BaseClient,
+            on_room_info: F,
+        ) where
+            F: Fn(&mut RoomInfo),
+        {
+            // `StateChanges` has the `RoomInfo`.
+            if let Some(room_info) = changes.room_infos.get_mut(room_id) {
+                // Show time.
+                on_room_info(room_info);
+            }
+            // The `BaseClient` has the `Room`, which has the `RoomInfo`.
+            else if let Some(room) = client.store.get_room(room_id) {
+                // Clone the `RoomInfo`.
+                let mut room_info = room.clone_info();
+
+                // Show time.
+                on_room_info(&mut room_info);
+
+                // Update the `RoomInfo` via `StateChanges`.
+                changes.add_room(room_info);
+            }
+        }
+
+        // Handle new events.
         for raw_event in events {
             if let Ok(event) = raw_event.deserialize() {
                 changes.add_room_account_data(room_id, event.clone(), raw_event.clone());
 
-                // Rooms can either appear in the current request or already be
-                // known to the store. If neither of
-                // those are true then the room is `unknown` and we cannot
-                // process its account data
-                if let AnyRoomAccountDataEvent::MarkedUnread(e) = event {
-                    if let Some(room) = changes.room_infos.get_mut(room_id) {
-                        room.base_info.is_marked_unread = e.content.unread;
-                    } else if let Some(room) = self.store.get_room(room_id) {
-                        let mut info = room.clone_info();
-                        info.base_info.is_marked_unread = e.content.unread;
-                        changes.add_room(info);
+                match event {
+                    AnyRoomAccountDataEvent::MarkedUnread(event) => {
+                        on_room_info(room_id, changes, self, |room_info| {
+                            room_info.base_info.is_marked_unread = event.content.unread;
+                        });
                     }
+
+                    AnyRoomAccountDataEvent::Tag(event) => {
+                        on_room_info(room_id, changes, self, |room_info| {
+                            room_info.base_info.handle_notable_tags(&event.content.tags);
+                        });
+                    }
+
+                    // Nothing.
+                    _ => {}
                 }
             }
         }
@@ -785,8 +819,8 @@ impl BaseClient {
         for (room_id, new_info) in response.rooms.join {
             let room = self.store.get_or_create_room(&room_id, RoomState::Joined);
             let mut room_info = room.clone_info();
-            room_info.mark_as_joined();
 
+            room_info.mark_as_joined();
             room_info.update_summary(&new_info.summary);
             room_info.set_prev_batch(new_info.timeline.prev_batch.as_deref());
             room_info.mark_state_fully_synced();
@@ -841,9 +875,19 @@ impl BaseClient {
                 )
                 .await?;
 
+            // Save the new `RoomInfo`.
+            changes.add_room(room_info);
+
             self.handle_room_account_data(&room_id, &new_info.account_data.events, &mut changes)
                 .await;
 
+            // `Self::handle_room_account_data` might have updated the `RoomInfo`. Let's
+            // fetch it again.
+            //
+            // SAFETY: `unwrap` is safe because the `RoomInfo` has been inserted 2 lines
+            // above.
+            let mut room_info = changes.room_infos.get(&room_id).unwrap().clone();
+
             #[cfg(feature = "e2e-encryption")]
             if room_info.is_encrypted() {
                 if let Some(o) = self.olm_machine().await.as_ref() {
@@ -915,12 +959,14 @@ impl BaseClient {
                 )
                 .await?;
 
+            // Save the new `RoomInfo`.
+            changes.add_room(room_info);
+
             self.handle_room_account_data(&room_id, &new_info.account_data.events, &mut changes)
                 .await;
 
             let ambiguity_changes = ambiguity_cache.changes.remove(&room_id).unwrap_or_default();
 
-            changes.add_room(room_info);
             new_rooms.leave.insert(
                 room_id,
                 LeftRoom::new(
@@ -998,24 +1044,7 @@ impl BaseClient {
 
         for (room_id, room_info) in &changes.room_infos {
             if let Some(room) = self.store.get_room(room_id) {
-                room.set_room_info(room_info.clone())
-            }
-        }
-
-        for (room_id, room_account_data) in &changes.room_account_data {
-            if let Some(room) = self.store.get_room(room_id) {
-                let tags = room_account_data.get(&RoomAccountDataEventType::Tag).and_then(|r| {
-                    match r.deserialize() {
-                        Ok(AnyRoomAccountDataEvent::Tag(event)) => Some(event.content.tags),
-                        Err(e) => {
-                            warn!("Room account data tag event failed to deserialize : {e}");
-                            None
-                        }
-                        Ok(_) => None,
-                    }
-                });
-                let notable_tags = RoomNotableTags::new(tags);
-                room.set_notable_tags(notable_tags)
+                room.set_room_info(room_info.clone());
             }
         }
     }
@@ -1378,17 +1407,17 @@ impl Default for BaseClient {
 #[cfg(test)]
 mod tests {
     use matrix_sdk_test::{
-        async_test, response_from_file, sync_timeline_event, InvitedRoomBuilder, JoinedRoomBuilder,
-        LeftRoomBuilder, StrippedStateTestEvent, SyncResponseBuilder,
+        async_test, response_from_file, sync_timeline_event, InvitedRoomBuilder, LeftRoomBuilder,
+        StrippedStateTestEvent, SyncResponseBuilder,
     };
     use ruma::{
         api::{client as api, IncomingResponse},
-        room_id, user_id, RoomId, UserId,
+        room_id, user_id, UserId,
     };
     use serde_json::json;
 
     use super::BaseClient;
-    use crate::{store::StateStoreExt, DisplayName, Room, RoomState, SessionMeta, StateChanges};
+    use crate::{store::StateStoreExt, DisplayName, RoomState, SessionMeta};
 
     #[async_test]
     async fn invite_after_leaving() {
@@ -1536,7 +1565,7 @@ mod tests {
         assert!(room.latest_event().is_none());
 
         // When I tell it to do some decryption
-        let mut changes = StateChanges::default();
+        let mut changes = crate::StateChanges::default();
         client.decrypt_latest_events(&room, &mut changes).await;
 
         // Then nothing changed
@@ -1565,13 +1594,13 @@ mod tests {
     #[cfg(feature = "e2e-encryption")]
     async fn process_room_join(
         client: &BaseClient,
-        room_id: &RoomId,
+        room_id: &ruma::RoomId,
         event_id: &str,
         user_id: &UserId,
-    ) -> Room {
+    ) -> crate::Room {
         let mut ev_builder = SyncResponseBuilder::new();
         let response = ev_builder
-            .add_joined_room(JoinedRoomBuilder::new(room_id).add_timeline_event(
+            .add_joined_room(matrix_sdk_test::JoinedRoomBuilder::new(room_id).add_timeline_event(
                 sync_timeline_event!({
                     "content": {
                         "displayname": "Alice",

crates/matrix-sdk-base/src/lib.rs

@@ -51,7 +51,7 @@ pub use matrix_sdk_crypto as crypto;
 pub use once_cell;
 pub use rooms::{
     DisplayName, Room, RoomCreateWithCreatorEventContent, RoomInfo, RoomMember, RoomMemberships,
-    RoomNotableTags, RoomState, RoomStateFilter,
+    RoomState, RoomStateFilter,
 };
 pub use store::{StateChanges, StateStore, StateStoreDataKey, StateStoreDataValue, StoreError};
 pub use utils::{