#93: Add a sync limit of 20 and prefill rooms when loading the last message.

Update the SDK to 1.0.13-alpha.

ElementX/Sources/Services/Client/ClientProxy.swift

@@ -24,6 +24,9 @@ private class WeakClientProxyWrapper: ClientDelegate {
 }
 
 class ClientProxy: ClientProxyProtocol {
+    /// The maximum number of timeline events required during a sync request.
+    static let syncLimit: UInt16 = 20
+    
     private let client: Client
     private let backgroundTaskService: BackgroundTaskServiceProtocol
     private var sessionVerificationControllerProxy: SessionVerificationControllerProxy?
@@ -48,7 +51,7 @@ class ClientProxy: ClientProxyProtocol {
         client.setDelegate(delegate: WeakClientProxyWrapper(clientProxy: self))
         
         Benchmark.startTrackingForIdentifier("ClientSync", message: "Started sync.")
-        client.startSync()
+        client.startSync(timelineLimit: ClientProxy.syncLimit)
         
         Task { await updateRooms() }
     }

ElementX/Sources/Services/Room/RoomProxy.swift

@@ -67,6 +67,10 @@ class RoomProxy: RoomProxyProtocol {
         room.topic()
     }
     
+    var isJoined: Bool {
+        room.membership() == .joined
+    }
+    
     var isDirect: Bool {
         room.isDirect()
     }

ElementX/Sources/Services/Room/RoomSummary/RoomSummary.swift

@@ -141,7 +141,8 @@ class RoomSummary: RoomSummaryProtocol {
             return
         }
         
-        switch await roomProxy.paginateBackwards(count: 1) {
+        // Pre-fill the room with some messages and use the last message in the response.
+        switch await roomProxy.paginateBackwards(count: UInt(ClientProxy.syncLimit)) {
         case .success:
             lastMessage = await eventBriefFactory.buildEventBriefFor(message: roomProxy.messages.last)
         case .failure(let error):