替换为MVVM

Bark.xcodeproj/project.pbxproj

@@ -63,6 +63,10 @@
 		0637FA8C20E0D7A700E80174 /* BaseViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0637FA8B20E0D7A700E80174 /* BaseViewController.swift */; };
 		063C499520E36BF9001BCA35 /* Localizable.strings in Resources */ = {isa = PBXBuildFile; fileRef = 063C499720E36BF9001BCA35 /* Localizable.strings */; };
 		065A4D4220EE1A31002EB2DB /* Localizable.strings in Resources */ = {isa = PBXBuildFile; fileRef = 063C499720E36BF9001BCA35 /* Localizable.strings */; };
+		065BE4402563D649002A8CA4 /* SoundsViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 065BE43F2563D649002A8CA4 /* SoundsViewModel.swift */; };
+		065BE4462563D7E5002A8CA4 /* ViewModelType.swift in Sources */ = {isa = PBXBuildFile; fileRef = 065BE4452563D7E5002A8CA4 /* ViewModelType.swift */; };
+		065BE44B2563D8E1002A8CA4 /* Reusable.swift in Sources */ = {isa = PBXBuildFile; fileRef = 065BE44A2563D8E1002A8CA4 /* Reusable.swift */; };
+		065BE4502563D939002A8CA4 /* SoundCellViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 065BE44F2563D939002A8CA4 /* SoundCellViewModel.swift */; };
 		0661A543204FDA4100965E4E /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0661A542204FDA4100965E4E /* AppDelegate.swift */; };
 		0661A545204FDA4100965E4E /* HomeViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0661A544204FDA4100965E4E /* HomeViewController.swift */; };
 		0661A54A204FDA4100965E4E /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 0661A549204FDA4100965E4E /* Assets.xcassets */; };
@@ -175,6 +179,10 @@
 		0637FA8B20E0D7A700E80174 /* BaseViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BaseViewController.swift; sourceTree = "<group>"; };
 		063C499620E36BF9001BCA35 /* en */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = en; path = en.lproj/Localizable.strings; sourceTree = "<group>"; };
 		063C499820E36C15001BCA35 /* zh-Hans */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = "zh-Hans"; path = "zh-Hans.lproj/Localizable.strings"; sourceTree = "<group>"; };
+		065BE43F2563D649002A8CA4 /* SoundsViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SoundsViewModel.swift; sourceTree = "<group>"; };
+		065BE4452563D7E5002A8CA4 /* ViewModelType.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ViewModelType.swift; sourceTree = "<group>"; };
+		065BE44A2563D8E1002A8CA4 /* Reusable.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Reusable.swift; sourceTree = "<group>"; };
+		065BE44F2563D939002A8CA4 /* SoundCellViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SoundCellViewModel.swift; sourceTree = "<group>"; };
 		0661A53F204FDA4100965E4E /* Bark.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = Bark.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		0661A542204FDA4100965E4E /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
 		0661A544204FDA4100965E4E /* HomeViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = HomeViewController.swift; sourceTree = "<group>"; };
@@ -249,6 +257,7 @@
 				068F66B2247BD84C00DAD25A /* MessageListViewController.swift */,
 				06885EB5247FB9880004A303 /* MessageSettingsViewController.swift */,
 				060481ED250F404500BC9799 /* SoundsViewController.swift */,
+				065BE43F2563D649002A8CA4 /* SoundsViewModel.swift */,
 			);
 			path = Controller;
 			sourceTree = "<group>";
@@ -263,6 +272,7 @@
 				06C5953024811392006B98F3 /* ArchiveSettingCell.swift */,
 				06C595352481160F006B98F3 /* BKLabel.swift */,
 				060481EF250F51CA00BC9799 /* SoundCell.swift */,
+				065BE44F2563D939002A8CA4 /* SoundCellViewModel.swift */,
 				062B98C2251B2762004562E7 /* BKButton.swift */,
 				062B98C7251B27AE004562E7 /* UINavigationItem+Extension.swift */,
 			);
@@ -336,10 +346,20 @@
 			path = NotificationContentExtension;
 			sourceTree = "<group>";
 		};
+		065BE4442563D7AA002A8CA4 /* Common */ = {
+			isa = PBXGroup;
+			children = (
+				065BE4452563D7E5002A8CA4 /* ViewModelType.swift */,
+				065BE44A2563D8E1002A8CA4 /* Reusable.swift */,
+			);
+			path = Common;
+			sourceTree = "<group>";
+		};
 		0661A536204FDA4100965E4E = {
 			isa = PBXGroup;
 			children = (
 				063204EF250B6DC2001561EC /* Sounds */,
+				065BE4442563D7AA002A8CA4 /* Common */,
 				0604F7DD20620D3800B32F09 /* Model */,
 				0604F7DC20620D3400B32F09 /* View */,
 				0604F7DB20620D2700B32F09 /* Controller */,
@@ -664,12 +684,14 @@
 				060481EE250F404500BC9799 /* SoundsViewController.swift in Sources */,
 				0603706D20E23EC000F4CA05 /* BarkSFSafariViewController.swift in Sources */,
 				06C5953124811392006B98F3 /* ArchiveSettingCell.swift in Sources */,
+				065BE4502563D939002A8CA4 /* SoundCellViewModel.swift in Sources */,
 				06B1158F247BB1FB006D91FB /* Message.swift in Sources */,
 				06C595362481160F006B98F3 /* BKLabel.swift in Sources */,
 				0637FA7820E0926D00E80174 /* BarkTargetType.swift in Sources */,
 				0637FA7E20E0969800E80174 /* Client.swift in Sources */,
 				0661A545204FDA4100965E4E /* HomeViewController.swift in Sources */,
 				06C5952F248107F5006B98F3 /* iCloudStatusCell.swift in Sources */,
+				065BE44B2563D8E1002A8CA4 /* Reusable.swift in Sources */,
 				0637FA8620E0AB6600E80174 /* UIColor+Extension.swift in Sources */,
 				0637FA8A20E0D58800E80174 /* NewServerViewController.swift in Sources */,
 				0637FA8220E09C4B00E80174 /* BarkNavigationController.swift in Sources */,
@@ -685,6 +707,8 @@
 				06C5952D2480E3F8006B98F3 /* LabelCell.swift in Sources */,
 				0637FA7C20E0930E00E80174 /* BarkApi.swift in Sources */,
 				0637FA8020E0981E00E80174 /* BarkSettings.swift in Sources */,
+				065BE4402563D649002A8CA4 /* SoundsViewModel.swift in Sources */,
+				065BE4462563D7E5002A8CA4 /* ViewModelType.swift in Sources */,
 				0603706B20E20A7C00F4CA05 /* String+Extension.swift in Sources */,
 				068F66B3247BD84C00DAD25A /* MessageListViewController.swift in Sources */,
 				0661A543204FDA4100965E4E /* AppDelegate.swift in Sources */,

Common/Reusable.swift

@@ -0,0 +1,49 @@
+//
+//  Reusable.swift
+//  Bark
+//
+//  Created by huangfeng on 2020/11/17.
+//  Copyright © 2020 Fin. All rights reserved.
+//
+
+import UIKit
+import RxSwift
+import RxCocoa
+
+private var prepareForReuseBag: Int8 = 0
+
+@objc public protocol Reusable : class {
+    func prepareForReuse()
+}
+
+extension UITableViewCell: Reusable {}
+extension UITableViewHeaderFooterView: Reusable {}
+extension UICollectionReusableView: Reusable {}
+
+extension Reactive where Base: Reusable {
+    var prepareForReuse: Observable<Void> {
+        return Observable.of(sentMessage(#selector(Base.prepareForReuse)).map { _ in }, deallocated).merge()
+    }
+    
+    var reuseBag: DisposeBag {
+        MainScheduler.ensureExecutingOnScheduler()
+        
+        if let bag = objc_getAssociatedObject(base, &prepareForReuseBag) as? DisposeBag {
+            return bag
+        }
+        
+        let bag = DisposeBag()
+        objc_setAssociatedObject(base, &prepareForReuseBag, bag, objc_AssociationPolicy.OBJC_ASSOCIATION_RETAIN)
+        
+        _ = sentMessage(#selector(Base.prepareForReuse))
+            .subscribe(onNext: { [weak base] _ in
+                guard let strongBase = base else {
+                    return
+                }
+                let newBag = DisposeBag()
+                objc_setAssociatedObject(strongBase, &prepareForReuseBag, newBag, objc_AssociationPolicy.OBJC_ASSOCIATION_RETAIN)
+            })
+        
+        return bag
+    }
+}

Common/ViewModelType.swift

@@ -0,0 +1,19 @@
+//
+//  ViewModelType.swift
+//  Bark
+//
+//  Created by huangfeng on 2020/11/17.
+//  Copyright © 2020 Fin. All rights reserved.
+//
+
+import Foundation
+import RxSwift
+
+protocol ViewModelType {
+    associatedtype Input
+    associatedtype Output
+
+    func transform(input: Input) -> Output
+}
+
+class ViewModel:NSObject{ }

Controller/BaseViewController.swift

@@ -9,15 +9,35 @@
 import UIKit
 import Material
 class BaseViewController: UIViewController {
-
+    
-    override func viewDidLoad() {
+    let viewModel:ViewModel
-        super.viewDidLoad()
+    init(viewModel:ViewModel) {
+        self.viewModel = viewModel
+        super.init(nibName: nil, bundle: nil)
+        
         self.view.backgroundColor = Color.grey.lighten5
     }
     
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
     override var preferredStatusBarStyle: UIStatusBarStyle{
         get {
             return .lightContent
         }
     }
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        makeUI()
+        bindViewModel()
+    }
+    
+    func makeUI() {
+        
+    }
+    func bindViewModel(){
+        
+    }
 }

Controller/HomeViewController.swift

@@ -9,7 +9,7 @@
 import UIKit
 import UserNotifications
 import Material
-class HomeViewController: BaseViewController {
+class HomeViewController: UIViewController {
     
     let newButton: BKButton = {
         let btn = BKButton()
@@ -42,7 +42,7 @@ class HomeViewController: BaseViewController {
                 notice: NSLocalizedString("setSounds"),
                 queryParameter: "sound=minuet",
                 moreInfo:NSLocalizedString("viewAllSounds"),
-                moreViewController: SoundsViewController()
+                moreViewController: SoundsViewController(viewModel: SoundsViewModel())
             ),
             PreviewModel(
                 body: NSLocalizedString("archiveNotificationMessageTitle"),

Controller/MessageListViewController.swift

@@ -10,7 +10,7 @@ import UIKit
 import Material
 import RealmSwift
 
-class MessageListViewController: BaseViewController {
+class MessageListViewController: UIViewController {
     let tableView: UITableView = {
         let tableView = UITableView()
         tableView.separatorStyle = .none

Controller/MessageSettingsViewController.swift

@@ -8,7 +8,7 @@
 
 import UIKit
 import Material
-class MessageSettingsViewController: BaseViewController {
+class MessageSettingsViewController: UIViewController {
     let tableView: UITableView = {
         let tableView = UITableView()
         tableView.separatorStyle = .none

Controller/NewServerViewController.swift

@@ -10,7 +10,7 @@ import UIKit
 import Material
 import SnapKit
 import SafariServices
-class NewServerViewController: BaseViewController {
+class NewServerViewController: UIViewController {
 
     let addressTextField : TextField = {
         let textField = TextField()

Controller/SoundsViewController.swift

@@ -10,55 +10,70 @@ import UIKit
 import Material
 import AVKit
 
-class SoundsViewController: UIViewController,UITableViewDelegate,UITableViewDataSource {
+import RxSwift
+import RxCocoa
+import RxDataSources
+import NSObject_Rx
+
+class SoundsViewController: BaseViewController {
     let tableView: UITableView = {
         let tableView = UITableView()
         tableView.backgroundColor = Color.grey.lighten5
-        tableView.register(UITableViewCell.self, forCellReuseIdentifier: "\(SoundCell.self)")
+        tableView.register(SoundCell.self, forCellReuseIdentifier: "\(SoundCell.self)")
         return tableView
     }()
-    let audios:[AVURLAsset] = {
+    
-        var urls = Bundle.main.urls(forResourcesWithExtension: "caf", subdirectory: nil) ?? []
+    override func makeUI() {
-        urls.sort { (u1, u2) -> Bool in
-            u1.lastPathComponent.localizedStandardCompare(u2.lastPathComponent) == ComparisonResult.orderedAscending
-        }
-        let audios = urls.map { (url) -> AVURLAsset in
-            let asset = AVURLAsset(url: url)
-            return asset
-        }
-        return audios
-    }()
-    override func viewDidLoad() {
-        super.viewDidLoad()
         self.title = NSLocalizedString("notificationSound")
-        self.tableView.dataSource = self
+
-        self.tableView.delegate = self
         self.view.addSubview(self.tableView)
         self.tableView.snp.makeConstraints { (make) in
             make.edges.equalToSuperview()
         }
-        
+
-        let header = UILabel()
+        self.tableView.tableHeaderView = {
-        header.fontSize = 12
+            let header = UILabel()
-        header.text = "    \(NSLocalizedString("previewSound"))"
+            header.fontSize = 12
-        header.textColor = Color.darkText.secondary
+            header.text = "    \(NSLocalizedString("previewSound"))"
-        header.frame = CGRect(x: 0, y: 0, width: 0, height: 40)
+            header.textColor = Color.darkText.secondary
-        self.tableView.tableHeaderView = header
+            header.frame = CGRect(x: 0, y: 0, width: 0, height: 40)
+            return header
+        }()
     }
-    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+    override func bindViewModel() {
-        return audios.count
+        guard let viewModel = viewModel as? SoundsViewModel else {
-    }
+            return
-    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
-        let cell = tableView.dequeueReusableCell(withIdentifier: "\(SoundCell.self)") as? SoundCell ?? SoundCell()
-        cell.nameLabel.text = audios[indexPath.row].url.deletingPathExtension().lastPathComponent
-        cell.durationLabel.text = "\(String(format: "%.2g", CMTimeGetSeconds(audios[indexPath.row].duration))) second(s)";
-        return cell
-    }
-    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
-        var soundID:SystemSoundID = 0
-        AudioServicesCreateSystemSoundID(audios[indexPath.row].url as CFURL, &soundID)
-        AudioServicesPlaySystemSoundWithCompletion(soundID) {
-            AudioServicesDisposeSystemSoundID(soundID)
         }
+        
+        let output = viewModel.transform(
+            input: SoundsViewModel.Input(soundSelected: self.tableView.rx
+                                            .modelSelected(SoundCellViewModel.self)
+                                            .asDriver()))
+        
+        let dataSource = RxTableViewSectionedReloadDataSource<SectionModel<String,SoundCellViewModel>> { (source, tableView, indexPath, item) -> UITableViewCell in
+            guard let cell = tableView.dequeueReusableCell(withIdentifier: "\(SoundCell.self)") as? SoundCell else {
+                return UITableViewCell()
+            }
+            cell.bindViewModel(model: item)
+            return cell
+        }
+        
+        output.audios
+            .map{ [SectionModel(model: "model", items: $0)] }
+            .bind(to: tableView.rx.items(dataSource: dataSource))
+            .disposed(by: rx.disposeBag)
+        
+        output.copyNameAction.drive(onNext: { name in
+            UIPasteboard.general.string = name.trimmingCharacters(in: .whitespacesAndNewlines)
+            Client.shared.currentNavigationController?.showSnackbar(text: NSLocalizedString("Copy"))
+        }).disposed(by: rx.disposeBag)
+        
+        output.playAction.drive(onNext: { url in
+            var soundID:SystemSoundID = 0
+            AudioServicesCreateSystemSoundID(url, &soundID)
+            AudioServicesPlaySystemSoundWithCompletion(soundID) {
+                AudioServicesDisposeSystemSoundID(soundID)
+            }
+        }).disposed(by: rx.disposeBag)
     }
 }

Controller/SoundsViewModel.swift

@@ -0,0 +1,49 @@
+//
+//  SoundsViewModel.swift
+//  Bark
+//
+//  Created by huangfeng on 2020/11/17.
+//  Copyright © 2020 Fin. All rights reserved.
+//
+
+import Foundation
+import RxSwift
+import RxCocoa
+import AVKit
+
+class SoundsViewModel:ViewModel,ViewModelType {
+    
+    struct Input {
+        var soundSelected:Driver<SoundCellViewModel>
+    }
+    struct Output {
+        var audios:Observable<[SoundCellViewModel]>
+        var copyNameAction: Driver<String>
+        var playAction: Driver<CFURL>
+    }
+    
+    func transform(input: Input) -> Output {
+        let models = { () -> [AVURLAsset] in
+            var urls = Bundle.main.urls(forResourcesWithExtension: "caf", subdirectory: nil) ?? []
+            urls.sort { (u1, u2) -> Bool in
+                u1.lastPathComponent.localizedStandardCompare(u2.lastPathComponent) == ComparisonResult.orderedAscending
+            }
+            let audios = urls.map { (url) -> AVURLAsset in
+                let asset = AVURLAsset(url: url)
+                return asset
+            }
+            return audios
+        }().map { SoundCellViewModel(model: $0 ) }
+       
+        let copyAction = Driver.merge(
+            models.map { $0.copyNameAction.asDriver(onErrorDriveWith: .empty()) }
+        ).asDriver()
+        
+        return Output(
+            audios: Observable.just(models),
+            copyNameAction: copyAction,
+            playAction: input.soundSelected.map{ $0.model.url as CFURL }
+        )
+    }
+    
+}

Podfile

@@ -15,6 +15,13 @@ def pods
     pod 'DeviceKit'
     pod 'DefaultsKit', :git => 'https://github.com/nmdias/DefaultsKit'
     pod 'IceCream'
+    
+    pod 'RxSwift'
+    pod 'RxCocoa'
+    pod 'RxGesture'
+    pod 'RxDataSources'
+    pod 'NSObject+Rx'
+    
 end
 
 target 'Bark' do

Podfile.lock

@@ -2,6 +2,7 @@ PODS:
   - Alamofire (5.2.0)
   - DefaultsKit (0.2.0)
   - DeviceKit (3.2.0)
+  - Differentiator (4.0.1)
   - FDFullscreenPopGesture (1.1)
   - IceCream (1.13.1):
     - RealmSwift
@@ -18,12 +19,26 @@ PODS:
   - Moya/RxSwift (14.0.0):
     - Moya/Core
     - RxSwift (~> 5.0)
+  - "NSObject+Rx (5.1.0)":
+    - RxSwift (~> 5.1)
   - ObjectMapper (4.2.0)
   - Realm (5.0.0):
     - Realm/Headers (= 5.0.0)
   - Realm/Headers (5.0.0)
   - RealmSwift (5.0.0):
     - Realm (= 5.0.0)
+  - RxCocoa (5.1.1):
+    - RxRelay (~> 5)
+    - RxSwift (~> 5)
+  - RxDataSources (4.0.1):
+    - Differentiator (~> 4.0)
+    - RxCocoa (~> 5.0)
+    - RxSwift (~> 5.0)
+  - RxGesture (3.0.2):
+    - RxCocoa (~> 5.1)
+    - RxSwift (~> 5.1)
+  - RxRelay (5.1.1):
+    - RxSwift (~> 5)
   - RxSwift (5.1.1)
   - SnapKit (5.0.1)
   - SVProgressHUD (2.2.5)
@@ -37,12 +52,24 @@ DEPENDENCIES:
   - KVOController
   - Material
   - Moya/RxSwift
+  - "NSObject+Rx"
   - ObjectMapper
+  - RxCocoa
+  - RxDataSources
+  - RxGesture
+  - RxSwift
   - SnapKit
   - SVProgressHUD
   - SwiftyJSON
 
 SPEC REPOS:
+  https://github.com/CocoaPods/Specs.git:
+    - Differentiator
+    - "NSObject+Rx"
+    - RxCocoa
+    - RxDataSources
+    - RxGesture
+    - RxRelay
   trunk:
     - Alamofire
     - DeviceKit
@@ -73,20 +100,26 @@ SPEC CHECKSUMS:
   Alamofire: c1ca147559e730bfb2182c8c7aafbdd90a867987
   DefaultsKit: 6c767941b2c3fe34c4d70e300e6c3b80c94964dd
   DeviceKit: d081659419cce07c0b5239dbc9fb39ed7413c7fe
+  Differentiator: 886080237d9f87f322641dedbc5be257061b0602
   FDFullscreenPopGesture: a8a620179e3d9c40e8e00256dcee1c1a27c6d0f0
   IceCream: 0447d87b55df85651dd60b15712cef64dbe1cb54
   KVOController: d72ace34afea42468329623b3379ab3cd1d286b6
   Material: a2a3f400a3b549d53ef89e56c58c4535b29db387
   Motion: cf1e060e489f6661126374d5c60dbd2ed991605c
   Moya: 5b45dacb75adb009f97fde91c204c1e565d31916
+  "NSObject+Rx": fa6bbcc1ab1faa06b01466bc09b1e0692bbc5946
   ObjectMapper: 1eb41f610210777375fa806bf161dc39fb832b81
   Realm: 76066d333de26f97e9caedaa85ee3ff4a62ca265
   RealmSwift: c1bdff09b422569dc6881410d9ccf712bcdb79b0
+  RxCocoa: 32065309a38d29b5b0db858819b5bf9ef038b601
+  RxDataSources: efee07fa4de48477eca0a4611e6d11e2da9c1114
+  RxGesture: d6bd7447ca3a596c7a9702a6a2b6a2bb5d8bae54
+  RxRelay: d77f7d771495f43c556cbc43eebd1bb54d01e8e9
   RxSwift: 81470a2074fa8780320ea5fe4102807cb7118178
   SnapKit: 97b92857e3df3a0c71833cce143274bf6ef8e5eb
   SVProgressHUD: 1428aafac632c1f86f62aa4243ec12008d7a51d6
   SwiftyJSON: 36413e04c44ee145039d332b4f4e2d3e8d6c4db7
 
-PODFILE CHECKSUM: 90c7dcd577fc40757291126890d6791408bb905a
+PODFILE CHECKSUM: f0191b272c872b4d43da19a114ad4be556fb7eba
 
-COCOAPODS: 1.8.4
+COCOAPODS: 1.10.0

View/SoundCell.swift

@@ -8,6 +8,7 @@
 
 import UIKit
 import Material
+import AVKit
 
 class SoundCell: UITableViewCell {
     let copyButton = IconButton(image: UIImage(named: "baseline_file_copy_white_24pt"), tintColor: Color.grey.base)
@@ -29,6 +30,8 @@ class SoundCell: UITableViewCell {
         
         self.contentView.addSubview(nameLabel)
         self.contentView.addSubview(durationLabel)
+        self.contentView.addSubview(copyButton)
+        
         nameLabel.snp.makeConstraints { (make) in
             make.left.top.equalToSuperview().offset(15)
         }
@@ -37,21 +40,34 @@ class SoundCell: UITableViewCell {
             make.top.equalTo(nameLabel.snp.bottom).offset(5)
             make.bottom.equalToSuperview().offset(-15)
         }
-        self.contentView.addSubview(copyButton)
         copyButton.snp.makeConstraints { (make) in
             make.right.equalToSuperview().offset(-15)
             make.centerY.equalToSuperview()
             make.width.height.equalTo(40)
         }
-        copyButton.addTarget(self, action: #selector(copyName), for: .touchUpInside)
     }
     required init?(coder aDecoder: NSCoder) {
         fatalError("init(coder:) has not been implemented")
     }
-    @objc func copyName(){
+    
-        if let urlStr = self.nameLabel.text{
+    var viewModel:ViewModel?
-            UIPasteboard.general.string = urlStr.trimmingCharacters(in: .whitespacesAndNewlines)
+    func bindViewModel(model:ViewModel){
-            Client.shared.currentNavigationController?.showSnackbar(text: NSLocalizedString("Copy"))
+        guard let viewModel = model as? SoundCellViewModel else {
+            return
         }
+        self.viewModel = model
+        
+        viewModel.name
+            .bind(to: nameLabel.rx.text)
+            .disposed(by: rx.reuseBag)
+        viewModel.duration
+            .map { String(format: "%.2f", CMTimeGetSeconds($0) ) }
+            .bind(to: durationLabel.rx.text)
+            .disposed(by: rx.reuseBag)
+        
+        copyButton.rx.tap
+            .map{ viewModel.name.value }
+            .bind(to: viewModel.copyNameAction)
+            .disposed(by: rx.reuseBag)
     }
 }

View/SoundCellViewModel.swift

@@ -0,0 +1,27 @@
+//
+//  SoundCellViewModel.swift
+//  Bark
+//
+//  Created by huangfeng on 2020/11/17.
+//  Copyright © 2020 Fin. All rights reserved.
+//
+
+import Foundation
+import RxSwift
+import RxCocoa
+import AVKit
+
+class SoundCellViewModel:ViewModel {
+    let name = BehaviorRelay<String>(value: "")
+    let duration = BehaviorRelay<CMTime>(value: .zero)
+    
+    let copyNameAction = PublishRelay<String>()
+    let playAction = PublishRelay<CFURL>()
+    
+    let model: AVURLAsset
+    init(model: AVURLAsset) {
+        self.model = model
+        name.accept(model.url.deletingPathExtension().lastPathComponent)
+        duration.accept(model.duration)
+    }
+}