Start to synchronize with Matrix

src/sync_client.rs

@@ -1,7 +1,12 @@
 use crate::broadcast_messages::BroadcastMessage;
-use crate::user::UserID;
+use crate::user::{UserConfig, UserID};
+use futures_util::TryStreamExt;
+use ruma::api::client::sync::sync_events;
+use ruma::assign;
+use ruma::presence::PresenceState;
 use std::collections::HashMap;
 use std::sync::Arc;
+use std::time::Duration;
 use tokio::sync::broadcast;
 
 /// ID of sync client
@@ -9,7 +14,7 @@ use tokio::sync::broadcast;
 pub struct SyncClientID(uuid::Uuid);
 
 /// Sync client launcher loop
-pub async fn sync_client_manager(tx: broadcast::Sender<BroadcastMessage>) {
+pub async fn sync_client_manager(tx: broadcast::Sender<BroadcastMessage>) -> ! {
     let mut rx = tx.subscribe();
     let tx = Arc::new(tx.clone());
 
@@ -58,6 +63,39 @@ async fn sync_task(
 ) {
     let mut rx = tx.subscribe();
 
+    let Ok(user_config) = UserConfig::load(&user_id, false).await else {
+        log::error!("Failed to load user config in sync thread!");
+        return;
+    };
+
+    let client = match user_config.matrix_client().await {
+        Err(e) => {
+            log::error!("Failed to load matrix client for user {user_id:?}: {e}");
+            return;
+        }
+        Ok(client) => client,
+    };
+
+    let initial_sync_response = match client
+        .send_request(assign!(sync_events::v3::Request::new(), {
+            filter: None,
+        }))
+        .await
+    {
+        Ok(res) => res,
+        Err(e) => {
+            log::error!("Failed to perform initial sync request for user {user_id:?}! {e}");
+            return;
+        }
+    };
+
+    let mut sync_stream = Box::pin(client.sync(
+        None,
+        initial_sync_response.next_batch,
+        PresenceState::Offline,
+        Some(Duration::from_secs(30)),
+    ));
+
     loop {
         tokio::select! {
             // Message from tokio broadcast
@@ -72,14 +110,28 @@ async fn sync_task(
 
                     Err(e) => {
                         log::error!("Failed to receive a message from broadcast! {e}");
+                        return;
                     }
 
                     Ok(_) => {}
                 }
             }
 
-            // Message from Elements
-            // TODO
+            // Message from Matrix
+            msg_stream = sync_stream.try_next() => {
+                match msg_stream {
+                    Ok(Some(msg)) => {
+                        log::debug!("Received new message from Matrix: {msg:?}");
+                    }
+                    Ok(None) => {
+                        log::debug!("Received no message from Matrix");
+                    }
+                    Err(e) => {
+                        log::error!("Failed to receive a message from Matrix! {e}");
+                        return;
+                    }
+                }
+            }
         }
     }
 }