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TUIKit/TUIRoomKit/RoomExtension/Model/Manager/InviteToJoinRoomManager.swift

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+//
+//  InviteToJoinRoomManager.swift
+//  TUIRoomKit
+//
+//  Created by janejntang on 2023/7/3.
+//  You can choose to invite members and send invitations.
+
+import Foundation
+import RTCRoomEngine
+import TUICore
+
+class InviteToJoinRoomManager {
+    class func startInviteToJoinRoom(message: RoomMessageModel, inviter: TUILoginUserInfo) {
+        let inviteJoinModel = InviteJoinModel(message: message, inviter: inviter)
+        pushSelectGroupMemberViewController(groupId: message.groupId) { responseData in
+            guard let modelList =
+                    responseData[TUICore_TUIGroupObjectFactory_SelectGroupMemberVC_ResultUserList] as? [TUIUserModel]
+            else { return }
+            var invitedList: [String] = []
+            for userModel in modelList {
+                invitedList.append(userModel.userId)
+            }
+            inviteToJoinRoom(inviteJoinModel: inviteJoinModel, invitedList: invitedList)
+        }
+    }
+    
+    class func pushSelectGroupMemberViewController(groupId: String, callback: @escaping TUIValueResultCallback) {
+        let param = [TUICore_TUIGroupObjectFactory_SelectGroupMemberVC_GroupID: groupId]
+        if let navigateController = RoomMessageManager.shared.navigateController {
+            navigateController.push(TUICore_TUIGroupObjectFactory_SelectGroupMemberVC_Classic, param: param) { responseData in
+                callback(responseData)
+            }
+        } else {
+            let nav = UINavigationController()
+            let currentViewController = getCurrentWindowViewController()
+            currentViewController?.present(TUICore_TUIGroupObjectFactory_SelectGroupMemberVC_Classic,
+                                           param: param, embbedIn: nav,
+                                           forResult: { responseData in
+                callback(responseData)
+            })
+        }
+    }
+    
+    class func inviteToJoinRoom(inviteJoinModel: InviteJoinModel, invitedList: [String]) {
+        guard invitedList.count > 0 else { return }
+        let dataDict = inviteJoinModel.getDicFromInviteJoinModel(inviteJoinModel: inviteJoinModel)
+        guard let dataString = dataDict.convertToString() else { return }
+        let pushInfo = V2TIMOfflinePushInfo()
+        invitedList.forEach { userId in
+            V2TIMManager.sharedInstance().invite(userId,
+                                                 data: dataString,
+                                                 onlineUserOnly: true,
+                                                 offlinePushInfo: pushInfo,
+                                                 timeout: 60) {
+                debugPrint("invite,success")
+            } fail: { code, message in
+                debugPrint("invite,code:\(code),message:\(String(describing: message))")
+            }
+        }
+    }
+    
+    class private func getCurrentWindowViewController() -> UIViewController? {
+        var keyWindow: UIWindow?
+        for window in UIApplication.shared.windows {
+            if window.isMember(of: UIWindow.self), window.isKeyWindow {
+                keyWindow = window
+                break
+            }
+        }
+        guard let rootController = keyWindow?.rootViewController else {
+            return nil
+        }
+        func findCurrentController(from vc: UIViewController?) -> UIViewController? {
+            if let nav = vc as? UINavigationController {
+                return findCurrentController(from: nav.topViewController)
+            } else if let tabBar = vc as? UITabBarController {
+                return findCurrentController(from: tabBar.selectedViewController)
+            } else if let presented = vc?.presentedViewController {
+                return findCurrentController(from: presented)
+            }
+            return vc
+        }
+        let viewController = findCurrentController(from: rootController)
+        return viewController
+    }
+}