♻️ Rework the Matrix messaging Client

src/infrastructure/messaging/matrix/client.rs

@@ -1,37 +1,46 @@
-use std::borrow::Borrow;
+use std::{
-use std::cell::RefCell;
+    borrow::Borrow,
-use std::sync::Arc;
+    collections::HashMap,
-use std::time::Duration;
+    sync::{Arc, Mutex},
+};
 
-use async_std::task;
+use async_std::stream::StreamExt;
 use dioxus::prelude::Task;
-use log::{debug, error};
-use tokio::sync::broadcast;
-use tokio::sync::broadcast::Sender;
-use tokio::sync::mpsc::{unbounded_channel, UnboundedReceiver};
-use tokio::sync::oneshot;
-use tokio::task::JoinHandle;
-
 use matrix_sdk::{
     config::SyncSettings,
     event_handler::Ctx,
-    room::Room as MatrixRoom,
+    media::{MediaFormat, MediaThumbnailSize},
+    room::{Room, RoomMember},
     ruma::{
+        api::client::media::get_content_thumbnail::v3::Method,
         events::{
             room::{
-                member::{RoomMemberEventContent, StrippedRoomMemberEvent},
+                member::{
+                    OriginalSyncRoomMemberEvent, RoomMemberEventContent, StrippedRoomMemberEvent,
+                },
                 topic::RoomTopicEventContent,
             },
             SyncStateEvent,
         },
-        OwnedRoomId,
+        uint, OwnedRoomId, RoomId, UserId,
     },
-    Client as MatrixClient, RoomState as MatrixRoomState,
+    Client as MatrixClient, RoomMemberships, RoomState,
 };
 
-use super::requester::{Receivers, Requester};
+use tokio::sync::{
-use super::worker_tasks::{LoginStyle, WorkerTask};
+    broadcast,
-use crate::domain::model::room::Room;
+    broadcast::{error::SendError, Receiver, Sender},
+    mpsc::{unbounded_channel, UnboundedReceiver},
+};
+use tracing::{debug, error, warn};
+
+use super::{
+    account_event::AccountEvent,
+    requester::Requester,
+    room_event::{RoomEvent, RoomEventsReceiver},
+    worker_tasks::{LoginStyle, WorkerTask},
+};
+use crate::utils::oneshot;
 
 #[derive(thiserror::Error, Debug)]
 pub enum ClientError {
@@ -39,21 +48,45 @@ pub enum ClientError {
     Matrix(#[from] matrix_sdk::Error),
 }
 
-#[derive(Clone)]
-pub enum RoomEvent {
-    TopicEvent(OwnedRoomId, String),
-    MemberEvent(OwnedRoomId, Room),
-    InviteEvent(OwnedRoomId, Room),
-}
-
 #[derive(Clone)]
 struct Senders {
-    room_events_sender: Sender<RoomEvent>,
+    account_events_sender: Sender<AccountEvent>,
+    room_events_senders: Arc<Mutex<HashMap<OwnedRoomId, Sender<RoomEvent>>>>,
 }
 
 impl Senders {
-    fn new(room_events_sender: Sender<RoomEvent>) -> Self {
+    fn new(account_events_sender: Sender<AccountEvent>) -> Self {
-        Self { room_events_sender }
+        Self {
+            account_events_sender,
+            room_events_senders: Arc::new(Mutex::new(HashMap::new())),
+        }
+    }
+
+    fn contains(&self, room_id: &RoomId) -> bool {
+        let room_senders = self.room_events_senders.lock().unwrap();
+
+        room_senders.contains_key(room_id)
+    }
+
+    fn send(&self, room_id: &RoomId, event: RoomEvent) -> Result<usize, SendError<RoomEvent>> {
+        let room_senders = self.room_events_senders.lock().unwrap();
+        if let Some(room_sender) = room_senders.get(room_id) {
+            room_sender.send(event)
+        } else {
+            error!("No sender found for \"{}\" room id", room_id);
+            Ok(0)
+        }
+    }
+
+    fn add_room(&self, room_id: &OwnedRoomId) -> Option<RoomEventsReceiver> {
+        let mut senders = self.room_events_senders.lock().unwrap();
+        if !senders.contains_key(room_id) {
+            let (room_sender, room_receiver) = broadcast::channel(32);
+            senders.insert(room_id.clone(), room_sender);
+            Some(RoomEventsReceiver::new(room_receiver))
+        } else {
+            None
+        }
     }
 }
 
@@ -65,16 +98,173 @@ pub struct Client {
 }
 
 impl Client {
-    pub fn new(client: Arc<MatrixClient>, room_events_sender: Sender<RoomEvent>) -> Self {
+    pub fn new(client: Arc<MatrixClient>, account_events_sender: Sender<AccountEvent>) -> Self {
         Self {
             initialized: false,
             client: Some(client),
             sync_task: None,
-            senders: Senders::new(room_events_sender),
+            senders: Senders::new(account_events_sender),
         }
     }
 
-    // async fn on_sync_typing_event(_ev: SyncTypingEvent, room: MatrixRoom) {
+    async fn create_space(
+        senders: &Ctx<Senders>,
+        room_id: OwnedRoomId,
+        room: Option<&Room>,
+    ) -> anyhow::Result<(), SendError<AccountEvent>> {
+        let mut name = None;
+        let mut topic = None;
+
+        if let Some(room) = room {
+            name = room.name();
+            topic = room.topic();
+        }
+
+        if let Some(receiver) = senders.add_room(&room_id) {
+            let (reply, mut response) = oneshot::<bool>();
+
+            let event = AccountEvent::NewSpace(room_id.clone(), name, topic, receiver, reply);
+
+            if let Err(err) = senders.account_events_sender.send(event) {
+                error!(
+                    "Unable to publish the new room with \"{}\" id: {}",
+                    room_id, err
+                );
+                return Err(err);
+            }
+
+            // We're expecting a response indicating that the client is able to compute the next RoomEvent
+            response.recv().await;
+        } else {
+            let events = vec![RoomEvent::NewTopic(topic), RoomEvent::NewName(name)];
+
+            for event in events {
+                if let Err(err) = senders.send(&room_id, event.clone()) {
+                    error!(
+                        "Unable to publish the {:?} event to the \"{}\" room: {}",
+                        event, room_id, err
+                    );
+                    // return Err(err);
+                }
+            }
+        }
+        Ok(())
+    }
+
+    async fn create_room(
+        senders: &Ctx<Senders>,
+        room: &Room,
+    ) -> anyhow::Result<(), SendError<AccountEvent>> {
+        let room_id = room.room_id().to_owned();
+
+        if let Some(receiver) = senders.add_room(&room_id) {
+            let (reply, mut response) = oneshot::<bool>();
+
+            let is_direct = match room.is_direct().await {
+                Ok(is_direct) => Some(is_direct),
+                Err(err) => {
+                    error!("Unable to know if the room \"{room_id}\" is direct: {err}");
+                    None
+                }
+            };
+
+            let mut parents = vec![];
+            // TODO: Remove unwrap
+            let mut spaces = room.parent_spaces().await.unwrap();
+            while let Some(parent) = spaces.next().await {
+                match parent {
+                    Ok(parent) => match parent {
+                        matrix_sdk::room::ParentSpace::Reciprocal(parent) => {
+                            parents.push(parent.room_id().to_owned());
+                        }
+                        _ => todo!(),
+                    },
+                    Err(err) => {
+                        error!("{}", err);
+                    }
+                }
+            }
+
+            let event = AccountEvent::NewRoom(
+                room_id.clone(),
+                parents.clone(),
+                room.name(),
+                room.topic(),
+                is_direct,
+                room.state(),
+                receiver,
+                reply,
+            );
+
+            if let Err(err) = senders.account_events_sender.send(event) {
+                error!(
+                    "Unable to publish the new room with \"{}\" id: {}",
+                    room.room_id(),
+                    err
+                );
+                return Err(err);
+            }
+
+            // We're expecting a response indicating that the client is able to compute the next RoomEvent
+            response.recv().await;
+        }
+        Ok(())
+    }
+
+    async fn add_room(
+        senders: &Ctx<Senders>,
+        room: &Room,
+    ) -> anyhow::Result<(), SendError<AccountEvent>> {
+        let room_id = room.room_id().to_owned();
+
+        if room.is_space() {
+            Self::create_space(senders, room_id, Some(room)).await
+        } else {
+            let ret = Self::create_room(senders, room).await;
+
+            let mut parents = vec![];
+            // TODO: Remove unwrap
+            let mut spaces = room.parent_spaces().await.unwrap();
+            while let Some(parent) = spaces.next().await {
+                match parent {
+                    Ok(parent) => match parent {
+                        matrix_sdk::room::ParentSpace::Reciprocal(parent) => {
+                            parents.push(parent.room_id().to_owned());
+                        }
+                        _ => {
+                            warn!(
+                                "Only ParentSpace::Reciprocal taken into account, skip {:?}",
+                                parent
+                            );
+                        }
+                    },
+                    Err(err) => {
+                        error!("{}", err);
+                    }
+                }
+            }
+            error!("parents={:?}", &parents);
+
+            for parent in parents {
+                // Create a minimal space to make the relation consistent... its content will be sync later.
+                if !senders.contains(&parent) {
+                    let _ = Self::create_space(senders, parent.clone(), None).await;
+                }
+
+                let event = RoomEvent::NewChild(room_id.clone());
+                if let Err(err) = senders.send(parent.as_ref(), event.clone()) {
+                    error!(
+                        "Unable to send the {:?} event to the \"{}\": {:?}",
+                        event, parent, err
+                    );
+                }
+            }
+
+            ret
+        }
+    }
+
+    // async fn on_sync_typing_event(_ev: SyncTypingEvent, room: Room) {
     //     debug!("== on_sync_typing_event ==");
     //     let room_id = room.room_id().to_owned();
     //     dbg!(room_id);
@@ -85,7 +275,7 @@ impl Client {
     //     dbg!(_ev);
     // }
 
-    // async fn on_sync_state_event(ev: SyncStateEvent<RoomNameEventContent>, _room: MatrixRoom) {
+    // async fn on_sync_state_event(ev: SyncStateEvent<RoomNameEventContent>, _room: Room) {
     //     error!("== on_sync_state_event ==");
     //     if let SyncStateEvent::Original(ev) = ev {
     //         dbg!(ev);
@@ -94,32 +284,33 @@ impl Client {
 
     // async fn on_original_sync_room_message_event(
     //     ev: OriginalSyncRoomMessageEvent,
-    //     _matrix_room: MatrixRoom,
+    //     _room: Room,
     //     _senders: Ctx<Senders>,
     // ) {
     //     error!("== on_original_sync_room_message_event ==");
     //     error!("ev={:?}", ev.content);
-    // }
 
     async fn on_stripped_room_member_event(
         ev: StrippedRoomMemberEvent,
         matrix_client: MatrixClient,
-        matrix_room: MatrixRoom,
+        room: Room,
         senders: Ctx<Senders>,
     ) {
-        if ev.state_key == matrix_client.user_id().unwrap()
+        error!("*** on_stripped_room_member_event ***");
-            && matrix_room.state() == MatrixRoomState::Invited
+        // error!("ev={:?}", ev);
-        {
-            let room_id = matrix_room.room_id();
-            let room = Room::from_matrix_room(&matrix_room).await;
 
-            if let Err(err) = senders
+        if ev.state_key == matrix_client.user_id().unwrap()
-                .room_events_sender
+            && room.state() == RoomState::Invited
-                .send(RoomEvent::InviteEvent(room_id.to_owned(), room))
+            && Self::add_room(&senders, &room).await.is_ok()
-            {
+        {
+            let room_id = room.room_id();
+
+            let event = RoomEvent::Invitation();
+            if let Err(err) = senders.send(room_id, event) {
                 error!(
-                    "Unable to publish the new room with \"{}\" id: {}",
+                    "Unable to publish the room \"{}\" invitation: {}",
-                    room_id, err
+                    room.room_id(),
+                    err
                 );
             }
         }
@@ -127,45 +318,56 @@ impl Client {
 
     async fn on_room_topic_event(
         ev: SyncStateEvent<RoomTopicEventContent>,
-        matrix_room: MatrixRoom,
+        room: Room,
         senders: Ctx<Senders>,
     ) {
-        if let SyncStateEvent::Original(ev) = ev {
+        error!("*** on_room_topic_event ***");
-            let room_id = matrix_room.room_id();
+        // error!("ev={:?}", ev);
 
-            if let Err(err) = senders
+        if let SyncStateEvent::Original(ev) = ev {
-                .room_events_sender
+            let _ = Self::add_room(&senders, &room).await;
-                .send(RoomEvent::TopicEvent(room_id.to_owned(), ev.content.topic))
+
-            {
+            let room_id = room.room_id();
-                error!("Unable to publish the \"{}\" new topic: {}", room_id, err);
+            let event = RoomEvent::NewTopic(Some(ev.content.topic));
+            if let Err(err) = senders.send(room_id, event) {
+                error!(
+                    "Unable to publish the room \"{}\" topic: {}",
+                    room.room_id(),
+                    err
+                );
             }
         }
     }
 
     async fn on_room_member_event(
         ev: SyncStateEvent<RoomMemberEventContent>,
-        matrix_room: MatrixRoom,
+        room: Room,
         senders: Ctx<Senders>,
     ) {
-        if let SyncStateEvent::Original(_ev) = ev {
+        error!("*** on_room_member_event ***");
-            let room_id = matrix_room.room_id();
+        // error!("ev={:?}", ev);
-            let room = Room::from_matrix_room(&matrix_room).await;
 
-            if let Err(err) = senders
+        if let SyncStateEvent::Original(_ev) = ev {
-                .room_events_sender
+            if Self::add_room(&senders, &room).await.is_ok() {
-                .send(RoomEvent::MemberEvent(room_id.to_owned(), room))
+                // let room_id = room.room_id();
-            {
+                // // TODO: Client shall only manage Matrix object... not BG92 ones.
-                error!(
+                // let event = RoomEvent::Membership(RoomMember::new(ev.sender, room_id));
-                    "Unable to publish the new room with \"{}\" id: {}",
+                // if let Some(result) = senders.send(room_id, event) {
-                    room_id, err
+                //     if let Err(err) = result {
-                );
+                //         error!(
+                //             "Unable to publish the room \"{}\" membership: {}",
+                //             room.room_id(),
+                //             err
+                //         );
+                //     }
+                // }
             }
         }
     }
 
     // async fn on_sync_message_like_room_message_event(
     //     ev: SyncMessageLikeEvent<RoomMessageEventContent>,
-    //     _room: MatrixRoom,
+    //     _room: Room,
     //     _client: MatrixClient,
     // ) {
     //     debug!("== on_sync_message_like_room_message_event ==");
@@ -174,7 +376,7 @@ impl Client {
 
     // async fn on_sync_message_like_reaction_event(
     //     ev: SyncMessageLikeEvent<ReactionEventContent>,
-    //     _room: MatrixRoom,
+    //     _room: Room,
     // ) {
     //     debug!("== on_sync_message_like_reaction_event ==");
     //     dbg!(ev);
@@ -182,28 +384,28 @@ impl Client {
 
     // async fn on_original_sync_room_redaction_event(
     //     ev: OriginalSyncRoomRedactionEvent,
-    //     _room: MatrixRoom,
+    //     _room: Room,
     // ) {
     //     debug!("== on_original_sync_room_redaction_event ==");
     //     dbg!(ev);
     // }
 
-    // async fn on_original_sync_room_member_event(
+    async fn on_original_sync_room_member_event(
-    //     _ev: OriginalSyncRoomMemberEvent,
+        _ev: OriginalSyncRoomMemberEvent,
-    //     _room: MatrixRoom,
+        _room: Room,
-    //     _client: MatrixClient,
+        _client: MatrixClient,
-    // ) {
+    ) {
-    //     debug!("== on_original_sync_room_member_event ==");
+        // debug!("== on_original_sync_room_member_event ==");
-
+        // error!("room={:?}", room);
-    // let mut store = store_ctx.read().unwrap().to_owned();
+        // let mut store = store_ctx.read().unwrap().to_owned();
-    // dbg!(store.rooms.keys());
+        // dbg!(store.rooms.keys());
-    // let is_direct = room.is_direct().await.ok();
+        // let is_direct = room.is_direct().await.ok();
-    // store.rooms.insert(
+        // store.rooms.insert(
-    //     OwnedRoomId::from(room_id),
+        //     OwnedRoomId::from(room_id),
-    //     Arc::new(RwLock::new(Room::new(Arc::new(room), None, is_direct))),
+        //     Arc::new(RwLock::new(Room::new(Arc::new(room), None, is_direct))),
-    // );
+        // );
-    // let _ = store_ctx.write(store);
+        // let _ = store_ctx.write(store);
-    // }
+    }
 
     // async fn on_original_sync_key_verif_start_event(
     //     ev: OriginalSyncKeyVerificationStartEvent,
@@ -265,11 +467,7 @@ impl Client {
     //     debug!("== on_room_event({}) ==", ev.)
     // }
 
-    pub async fn spawn(homeserver_url: String) -> Requester {
+    pub async fn spawn(homeserver_url: String) -> (Requester, Receiver<AccountEvent>) {
-        let (tx, rx) = unbounded_channel::<WorkerTask>();
-
-        let (room_sender, room_receiver) = broadcast::channel(32);
-
         let matrix_client = Arc::new(
             MatrixClient::builder()
                 .homeserver_url(&homeserver_url)
@@ -278,23 +476,22 @@ impl Client {
                 .unwrap(),
         );
 
-        let mut client = Client::new(matrix_client.clone(), room_sender);
+        let (worker_tasks_sender, worker_tasks_receiver) = unbounded_channel::<WorkerTask>();
+        let (account_events_sender, account_events_receiver) =
+            broadcast::channel::<AccountEvent>(32);
+
+        let mut client = Client::new(matrix_client, account_events_sender);
 
         dioxus::prelude::spawn(async move {
-            client.work(rx).await;
+            client.work(worker_tasks_receiver).await;
         });
 
-        Requester {
+        (Requester::new(worker_tasks_sender), account_events_receiver)
-            matrix_client,
-            tx,
-            receivers: Receivers {
-                room_receiver: RefCell::new(room_receiver),
-            },
-        }
     }
 
     fn init(&mut self) {
         if let Some(client) = self.client.borrow() {
+            // TODO: Remove clone?
             client.add_event_handler_context(self.senders.clone());
 
             let _ = client.add_event_handler(Client::on_stripped_room_member_event);
@@ -309,7 +506,9 @@ impl Client {
             // let _ = client.add_event_handler(Client::on_sync_message_like_room_message_event);
             // let _ = client.add_event_handler(Client::on_sync_message_like_reaction_event);
             // let _ = client.add_event_handler(Client::on_original_sync_room_redaction_event);
-            // let _ = client.add_event_handler(Client::on_original_sync_room_member_event);
+
+            let _ = client.add_event_handler(Client::on_original_sync_room_member_event);
+
             // let _ = client.add_event_handler(Client::on_original_sync_key_verif_start_event);
             // let _ = client.add_event_handler(Client::on_original_sync_key_verif_key_event);
             // let _ = client.add_event_handler(Client::on_original_sync_key_verif_done_event);
@@ -322,12 +521,12 @@ impl Client {
         }
     }
 
-    async fn login_and_sync(&mut self, style: LoginStyle) -> anyhow::Result<()> {
+    async fn login(&mut self, style: LoginStyle) -> anyhow::Result<()> {
-        let client = self.client.clone().unwrap();
+        let client = self.client.as_ref().unwrap();
 
         match style {
             LoginStyle::Password(username, password) => {
-                let _resp = client
+                client
                     .matrix_auth()
                     .login_username(&username, &password)
                     .initial_device_display_name("TODO")
@@ -337,7 +536,11 @@ impl Client {
             }
         }
 
-        let (synchronized_tx, synchronized_rx) = oneshot::channel::<bool>();
+        Ok(())
+    }
+
+    async fn run_forever(&mut self) {
+        let client = self.client.clone().unwrap();
 
         let task = dioxus::prelude::spawn(async move {
             // Sync once so we receive the client state and old messages
@@ -350,87 +553,107 @@ impl Client {
             };
 
             if let Some(sync_token) = sync_token_option {
-                let settings = SyncSettings::default().token(sync_token);
-
                 debug!("User connected to the homeserver, start syncing");
 
-                if let Err(err) = synchronized_tx.send(true) {
+                let settings = SyncSettings::default().token(sync_token);
-                    error!("Unable to notify that the Matrix client is now synchronized ({err})");
-                }
-
                 let _ = client.sync(settings).await;
             }
         });
         self.sync_task = Some(task);
-
-        // self.start_background_tasks(synchronized_rx);
-
-        Ok(())
     }
 
-    // async fn register_room_events(&self, room_id: OwnedRoomId) {
+    async fn get_display_name(&mut self) -> anyhow::Result<Option<String>> {
-    //     let client = self.client.unwrap();
+        let client = self.client.as_ref().unwrap();
 
-    //     client.add_room_event_handler(&room_id, Client::on_room_event);
+        match client.account().get_display_name().await {
-    // }
+            Ok(display_name) => Ok(display_name),
+            Err(err) => Err(err.into()),
+        }
+    }
 
-    // async fn refresh_rooms(
+    async fn get_avatar(&mut self) -> anyhow::Result<Option<Vec<u8>>> {
-    //     matrix_client: &Arc<MatrixClient>,
+        let client = self.client.as_ref().unwrap();
-    //     room_events_sender: &Sender<RoomEvent>,
-    // ) {
-    //     let joined_matrix_rooms_ref = &matrix_client.joined_rooms();
-    //     let invited_matrix_rooms_ref = &matrix_client.invited_rooms();
 
-    //     for matrix_rooms in [joined_matrix_rooms_ref, invited_matrix_rooms_ref] {
+        match client
-    //         for matrix_room in matrix_rooms.iter() {
+            .account()
-    //             let room = Room::from_matrix_room(matrix_room).await;
+            .get_avatar(MediaFormat::Thumbnail(MediaThumbnailSize {
-    //             let event = RoomEvent::MemberEvent(room.id().clone(), room);
+                method: Method::Scale,
+                width: uint!(256),
+                height: uint!(256),
+            }))
+            .await
+        {
+            Ok(avatar) => Ok(avatar),
+            Err(err) => Err(err.into()),
+        }
+    }
 
-    //             if let Err(err) = room_events_sender.send(event) {
+    async fn get_room_avatar(&mut self, room_id: &OwnedRoomId) -> anyhow::Result<Option<Vec<u8>>> {
-    //                 error!("Error: {}", err);
+        let client = self.client.as_ref().unwrap();
-    //             }
-    //         }
-    //     }
-    // }
 
-    // async fn refresh_rooms_forever(
+        if let Some(room) = client.get_room(room_id) {
-    //     matrix_client: Arc<MatrixClient>,
+            match room
-    //     room_events_sender: &Sender<RoomEvent>,
+                .avatar(MediaFormat::Thumbnail(MediaThumbnailSize {
-    // ) {
+                    method: Method::Scale,
-    //     // TODO: Add interval to config
+                    width: uint!(256),
-    //     let period_sec = Duration::from_secs(5);
+                    height: uint!(256),
+                }))
+                .await
+            {
+                Ok(avatar) => Ok(avatar),
+                Err(err) => Err(err.into()),
+            }
+        } else {
+            error!("No room found with the \"{}\" id", room_id.as_str());
+            // TODO: Return an error if the room has not been found
+            Ok(None)
+        }
+    }
 
-    //     loop {
+    async fn get_room_members(&mut self, room_id: &OwnedRoomId) -> anyhow::Result<Vec<RoomMember>> {
-    //         Self::refresh_rooms(&matrix_client, room_events_sender).await;
+        let client = self.client.as_ref().unwrap();
 
-    //         task::sleep(period_sec).await;
+        if let Some(room) = client.get_room(room_id) {
-    //     }
+            match room.members(RoomMemberships::ACTIVE).await {
-    // }
+                Ok(room_members) => Ok(room_members),
+                Err(err) => Err(err.into()),
+            }
+        } else {
+            error!("No room found with the \"{}\" id", room_id.as_str());
+            // TODO: Return an error if the room has not been found
+            Ok(vec![])
+        }
+    }
 
-    // fn start_background_tasks(&mut self, synchronized_rx: oneshot::Receiver<bool>) {
+    async fn get_room_member_avatar(
-    //     let client = self.client.clone().unwrap();
+        &self,
-    //     let room_events_sender = self.senders.room_events_sender.clone();
+        room_id: &RoomId,
+        user_id: &UserId,
+    ) -> anyhow::Result<Option<Vec<u8>>> {
+        let client = self.client.as_ref().unwrap();
 
-    //     let task = dioxus::prelude::spawn(async move {
+        if let Some(room) = client.get_room(room_id) {
-    //         if let Err(err) = synchronized_rx.await {
+            if let Ok(Some(room_member)) = room.get_member(user_id).await {
-    //             error!("Unable to setup the rx channel notifying that the Matrix client is now synchronized ({err})");
+                let res = match room_member
-    //         }
+                    .avatar(MediaFormat::Thumbnail(MediaThumbnailSize {
-
+                        method: Method::Scale,
-    //         debug!("Start room refreshing forever");
+                        width: uint!(256),
-
+                        height: uint!(256),
-    //         let _ = Self::refresh_rooms_forever(client, &room_events_sender).await;
+                    }))
-    //     });
+                    .await
-    //     self.background_task = Some(task);
+                {
-    // }
+                    Ok(avatar) => Ok(avatar),
+                    Err(err) => Err(err.into()),
+                };
+                return res;
+            }
+        }
+        Ok(None)
+    }
 
     async fn work(&mut self, mut rx: UnboundedReceiver<WorkerTask>) {
-        loop {
+        while let Some(task) = rx.recv().await {
-            match rx.recv().await {
+            self.run(task).await;
-                Some(task) => self.run(task).await,
-                None => {
-                    break;
-                }
-            }
         }
 
         if let Some(task) = self.sync_task.take() {
@@ -441,17 +664,38 @@ impl Client {
     async fn run(&mut self, task: WorkerTask) {
         match task {
             WorkerTask::Init(reply) => {
-                assert!(!self.initialized);
                 self.init();
-                reply.send(()).await;
+                reply.send(Ok(())).await;
+            }
+            WorkerTask::RunForever(reply) => {
+                {
+                    self.run_forever().await;
+                    reply.send(())
+                }
+                .await
             }
             WorkerTask::Login(style, reply) => {
-                assert!(self.initialized);
+                reply.send(self.login(style).await).await;
-                reply.send(self.login_and_sync(style).await).await;
+            }
-            } // WorkerTask::registerRoomEvents(room_id, reply) => {
+            WorkerTask::GetDisplayName(reply) => {
-              //     assert!(self.initialized);
+                reply.send(self.get_display_name().await).await;
-              //     reply.send(self.register_room_events(room_id).await).await;
+            }
-              // }
+            WorkerTask::GetAvatar(reply) => {
+                reply.send(self.get_avatar().await).await;
+            }
+
+            WorkerTask::GetRoomAvatar(id, reply) => {
+                reply.send(self.get_room_avatar(&id).await).await;
+            }
+            WorkerTask::GetRoomMembers(id, reply) => {
+                reply.send(self.get_room_members(&id).await).await;
+            }
+
+            WorkerTask::GetRoomMemberAvatar(room_id, user_id, reply) => {
+                reply
+                    .send(self.get_room_member_avatar(&room_id, &user_id).await)
+                    .await;
+            }
         }
     }
 }