bundesmessenger-ios/bwi/MigrationAssistent/MigrationAssistant.swift

//
/*
 * Copyright (c) 2025 BWI GmbH
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import Foundation
import MatrixSDK

// bwi #7565 has to be a class to be called by Objective C
// reads user name and displayName from session and stores in shared keychain

@objcMembers class MigrationAssistant : NSObject {
    func storeUsername( session: MXSession ) -> Bool {
        
        var returnValue = false
        
        if let fullID = session.myUser.userId {
            let withoutAt = fullID.hasPrefix("@") ? String(fullID.dropFirst()) : fullID
            if let username = withoutAt.split(separator: ":").first {
                let ossStatus = SharedKeychain.save(account: "migration_username", value: String(username))
                returnValue = ossStatus == errSecSuccess
            }
        }
        
        return returnValue
    }
    
    func storeHomeserver( session: MXSession ) -> Bool {
        var returnValue = false
        
        if let displayname = session.matrixRestClient.homeserver {
            returnValue = SharedKeychain.save(account: "migration_homeserver", value: displayname) == errSecSuccess
        }
        
        return returnValue
    }
}