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TUIKit/TUIRoomKit/Source/View/ViewModel/TransferMasterViewModel.swift

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+//
+//  TransferMasterViewModel.swift
+//  TUIRoomKit
+//
+//  Created by janejntang on 2023/2/20.
+//
+
+import Foundation
+
+protocol TransferMasterViewResponder: NSObject {
+    func reloadTransferMasterTableView()
+    func searchControllerChangeActive(isActive: Bool)
+    func makeToast(message: String)
+}
+
+class TransferMasterViewModel: NSObject {
+    var attendeeList: [UserEntity] = []
+    var userId: String = ""
+    weak var viewResponder: TransferMasterViewResponder? = nil
+    var engineManager: EngineManager {
+        EngineManager.shared
+    }
+    let roomRouter: RoomRouter = RoomRouter.shared
+    override init() {
+        super.init()
+        attendeeList = self.engineManager.store.attendeeList.filter({ [weak self] userModel in
+            guard let self = self else { return true }
+            return userModel.userId != self.engineManager.store.currentUser.userId
+        })
+        EngineEventCenter.shared.subscribeUIEvent(key: .TUIRoomKitService_RenewUserList, responder: self)
+    }
+    
+    func appointMasterAction(sender: UIButton) {
+        guard userId != "" else { return }
+        engineManager.changeUserRole(userId: userId, role: .roomOwner) { [weak self] in
+            guard let self = self else { return }
+            self.engineManager.exitRoom {
+                EngineEventCenter.shared.notifyUIEvent(key: .TUIRoomKitService_DismissConferenceViewController, param: [:])
+            } onError: { [weak self] code, message in
+                guard let self = self else { return }
+                self.viewResponder?.makeToast(message: message)
+                EngineEventCenter.shared.notifyUIEvent(key: .TUIRoomKitService_DismissConferenceViewController, param: [:])
+            }
+        } onError: { [weak self] code, message in
+            guard let self = self else { return }
+            self.viewResponder?.makeToast(message: message)
+        }
+    }
+    
+    deinit {
+        EngineEventCenter.shared.unsubscribeUIEvent(key: .TUIRoomKitService_RenewUserList, responder: self)
+        debugPrint("deinit \(self)")
+    }
+}
+
+extension TransferMasterViewModel: PopUpViewModelResponder {
+    func updateViewOrientation(isLandscape: Bool) {
+        viewResponder?.searchControllerChangeActive(isActive: false)
+        attendeeList = engineManager.store.attendeeList.filter({ [weak self] userModel in
+            guard let self = self else { return true }
+            return userModel.userId != self.engineManager.store.currentUser.userId
+        })
+        viewResponder?.reloadTransferMasterTableView()
+    }
+    
+    func searchControllerChangeActive(isActive: Bool) {
+        viewResponder?.searchControllerChangeActive(isActive: isActive)
+    }
+}
+
+extension TransferMasterViewModel: RoomKitUIEventResponder {
+    func onNotifyUIEvent(key: EngineEventCenter.RoomUIEvent, Object: Any?, info: [AnyHashable : Any]?) {
+        switch key {
+        case .TUIRoomKitService_RenewUserList:
+            attendeeList = engineManager.store.attendeeList.filter({ [weak self] userModel in
+                guard let self = self else { return true }
+                return userModel.userId != self.engineManager.store.currentUser.userId
+            })
+            viewResponder?.reloadTransferMasterTableView()
+        default: break
+        }
+    }
+}