Use server name from user id function (#6082)

update sdk and use the new server from user id function from the sdk

ElementX/Sources/Screens/Authentication/LoginScreen/LoginScreenViewModel.swift

@@ -7,6 +7,7 @@
 //
 
 import Combine
+import MatrixRustSDK
 import SwiftUI
 
 typealias LoginScreenViewModelType = StateStoreViewModelV2<LoginScreenViewState, LoginScreenViewAction>
@@ -66,9 +67,7 @@ class LoginScreenViewModel: LoginScreenViewModelType, LoginScreenViewModelProtoc
     private func parseUsername() {
         let username = state.bindings.username
         
-        guard MatrixEntityRegex.isMatrixUserIdentifier(username) else { return }
-        
-        let homeserverDomain = String(username.split(separator: ":")[1])
+        guard let homeserverDomain = try? serverNameFromUserId(userId: username) else { return }
         
         startLoading(isInteractionBlocking: false)
         

ElementX/Sources/Screens/Authentication/ServerSelectionScreen/ServerSelectionScreenViewModel.swift

@@ -7,6 +7,7 @@
 //
 
 import Combine
+import MatrixRustSDK
 import SwiftUI
 
 typealias ServerSelectionScreenViewModelType = StateStoreViewModelV2<ServerSelectionScreenViewState, ServerSelectionScreenViewAction>
@@ -101,7 +102,9 @@ class ServerSelectionScreenViewModel: ServerSelectionScreenViewModelType, Server
     
     /// Updates the login flow using the supplied homeserver address, or shows an error when this isn't possible.
     private func configureHomeserver() async {
-        let homeserverAddress = state.bindings.homeserverAddress
+        let userInput = state.bindings.homeserverAddress
+        // People often enter their Matrix ID here, so use the server name from it when they do.
+        let homeserverAddress = (try? serverNameFromUserId(userId: userInput)) ?? userInput
         startLoading()
         
         switch await authenticationService.configure(for: homeserverAddress, flow: authenticationFlow) {

ElementX/Sources/Services/Authentication/ClassicApp/ClassicAppAccountManager.swift

@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import MatrixRustSDK
 
 class ClassicAppAccountManager {
     private let cacheFolder: URL
@@ -64,7 +65,7 @@ class ClassicAppAccountManager {
         let userID = mxAccount.userID
         let user = loadUser(for: mxAccount) // We need an MXUser for the profile as MXAccount doesn't contain that data.
         
-        guard let serverName = serverName(for: userID) else { return nil }
+        guard let serverName = try? serverNameFromUserId(userId: userID) else { return nil }
         
         return ClassicAppAccount(userID: userID,
                                  displayName: user?.displayName,
@@ -103,13 +104,6 @@ class ClassicAppAccountManager {
         }
     }
     
-    /// The server name extracted from the user's ID.
-    private func serverName(for userID: String) -> String? {
-        let components = userID.components(separatedBy: ":")
-        guard components.count > 1 else { return nil }
-        return components[1] // Directly use [1] as .last may be the port number.
-    }
-    
     // MARK: - File URLs
     
     private static let matrixKitFolder = "MatrixKit"

ElementX/Sources/Services/Room/RoomProxyProtocol.swift

@@ -212,7 +212,7 @@ extension JoinedRoomProxyProtocol {
     func knownServerNames(maxCount: Int) -> any Sequence<String> {
         membersPublisher.value
             .prefix(1000) // No need to go crazy here…
-            .compactMap { $0.userID.split(separator: ":").last.map(String.init) }
+            .compactMap { try? serverNameFromUserId(userId: $0.userID) }
             .uniqued()
             .prefix(maxCount)
     }