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

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+//
+//  RoomInfoViewModel.swift
+//  TUIRoomKit
+//
+//  Created by janejntang on 2023/1/3.
+//  Copyright © 2022 Tencent. All rights reserved.
+//
+
+import Foundation
+import RTCRoomEngine
+
+enum CopyType {
+    case copyRoomIdType
+    case copyRoomLinkType
+    case copyRoomPassword
+}
+
+protocol RoomInfoResponder : NSObjectProtocol {
+    func showCopyToast(copyType: CopyType?)
+    func updateNameLabel(_ text: String)
+}
+
+class RoomInfoViewModel: NSObject {
+    private(set) var messageItems: [ListCellItemData] = []
+    var store: RoomStore {
+        EngineManager.shared.store
+    }
+    var roomInfo: TUIRoomInfo {
+        store.roomInfo
+    }
+    lazy var title = {
+        roomInfo.name
+    }()
+    weak var viewResponder: RoomInfoResponder?
+    var roomLink: String? {
+        guard let bundleId = Bundle.main.bundleIdentifier else { return nil }
+        if bundleId == "com.tencent.tuiroom.apiexample" || bundleId == "com.tencent.fx.rtmpdemo" {
+            return "https://web.sdk.qcloud.com/trtc/webrtc/test/tuiroom-inner/index.html#/" + "room?roomId=" + roomInfo.roomId
+        } else if bundleId == "com.tencent.mrtc" {
+            return "https://web.sdk.qcloud.com/component/tuiroom/index.html#/" + "room?roomId=" + roomInfo.roomId
+        } else {
+            return nil
+        }
+    }
+    private lazy var conferenceDetails = {
+        title
+    }()
+    override init() {
+        super.init()
+        subscribeEngine()
+        createSourceData()
+    }
+    
+    private func subscribeEngine() {
+        EngineEventCenter.shared.subscribeEngine(event: .onConferenceInfoChanged, observer: self)
+    }
+    
+    private func unsubscribeUIEvent() {
+        EngineEventCenter.shared.unsubscribeEngine(event: .onConferenceInfoChanged, observer: self)
+    }
+    
+    func createListCellItemData(titleText: String, messageText: String,
+                                hasButton: Bool, copyType: CopyType?) -> ListCellItemData {
+        let item = ListCellItemData()
+        item.titleText = titleText
+        item.messageText = messageText
+        item.hasRightButton = hasButton
+        if item.hasRightButton {
+            let buttonData = ButtonItemData()
+            buttonData.normalIcon = "room_copy"
+            buttonData.normalTitle = .copyText
+            buttonData.cornerRadius = 4
+            buttonData.titleFont = UIFont(name: "PingFangSC-Regular", size: 12)
+            buttonData.titleColor = UIColor(0xB2BBD1)
+            buttonData.backgroundColor = UIColor(0x6B758A).withAlphaComponent(0.7)
+            buttonData.resourceBundle = tuiRoomKitBundle()
+            buttonData.action = { [weak self] sender in
+                guard let self = self, let button = sender as? UIButton else { return }
+                self.copyAction(sender: button, text: item.messageText,copyType: copyType)
+            }
+            item.buttonData = buttonData
+        }
+        conferenceDetails = conferenceDetails +  "\n\(titleText) : \(messageText)"
+        return item
+    }
+    
+    func createSourceData() {
+        var userName = roomInfo.ownerId
+        if let userModel = store.attendeeList.first(where: { $0.userId == roomInfo.ownerId}) {
+            userName = userModel.userName
+        }
+        let roomHostItem = createListCellItemData(titleText: .roomHostText, messageText: userName, hasButton: false, copyType: nil)
+        messageItems.append(roomHostItem)
+        let roomTypeItem = createListCellItemData(titleText: .roomTypeText, messageText: roomInfo.isSeatEnabled ?  .raiseHandSpeakText: .freedomSpeakText, hasButton: false, copyType: nil)
+        messageItems.append(roomTypeItem)
+        let roomIdItem = createListCellItemData(titleText: .roomIdText, messageText: roomInfo.roomId, hasButton: true, copyType: .copyRoomIdType)
+        messageItems.append(roomIdItem)
+        if roomInfo.password.count > 0 {
+            let passwordItem = createListCellItemData(titleText: .conferencePasswordText, messageText: roomInfo.password, hasButton: true, copyType: .copyRoomPassword)
+            messageItems.append(passwordItem)
+        }
+        if let roomLink = roomLink {
+            let roomLinkItem = createListCellItemData(titleText: .roomLinkText, messageText: roomLink, hasButton: true, copyType: .copyRoomLinkType)
+            messageItems.append(roomLinkItem)
+        }
+    }
+    
+    func copyAction(sender: UIButton, text: String, copyType: CopyType?){
+        UIPasteboard.general.string = text
+        viewResponder?.showCopyToast(copyType: copyType)
+    }
+    
+    func codeAction(sender: UIButton) {
+        RoomRouter.shared.presentPopUpViewController(viewType: .QRCodeViewType, height: 720.scale375Height())
+    }
+    
+    func copyConferenceDetails() {
+        UIPasteboard.general.string = conferenceDetails
+    }
+    
+    deinit {
+        unsubscribeUIEvent()
+        debugPrint("deinit \(self)")
+    }
+}
+
+extension RoomInfoViewModel: RoomEngineEventResponder {
+    func onEngineEvent(name: EngineEventCenter.RoomEngineEvent, param: [String : Any]?) {
+        switch name {
+        case .onConferenceInfoChanged:
+            guard let conferenceInfo = param?["conferenceInfo"] as? TUIConferenceInfo else { return }
+            guard let modifyFlag = param?["modifyFlag"] as? TUIConferenceModifyFlag else { return }
+            guard modifyFlag.contains(.roomName) else { return }
+            viewResponder?.updateNameLabel(conferenceInfo.basicRoomInfo.name)
+        default: break
+        }
+    }
+}
+
+private extension String {
+    static var freedomSpeakText: String {
+        localized("Free Speech Conference")
+    }
+    static var raiseHandSpeakText: String {
+        localized("On-stage Speaking Conference")
+    }
+    static var roomHostText: String {
+        localized("Host")
+    }
+    static var roomTypeText: String {
+        localized("Conference Type")
+    }
+    static var roomIdText: String {
+        localized("ConferenceID")
+    }
+    static var roomLinkText: String {
+        localized("Link")
+    }
+    static var copyText: String {
+        localized("Copy")
+    }
+    static let conferencePasswordText = localized("Conference password")
+}