difference between "MVVM" and "Flux"

README.md

@@ -1,6 +1,6 @@
-# iOSDesignPatternSamples (MVVM)
+# iOSDesignPatternSamples (Flux)
 
-This is Github user search demo app that made with MVVM design pattern.
+This is Github user search demo app that made with Flux design pattern.
 
 ## Application Structure
 
@@ -13,35 +13,40 @@ Search Github user and show user result list
 
 ![](./Images/search.png)
 
-- [SearchViewModel](./iOSDesignPatternSamples/Sources/UI/Search/SearchViewModel.swift)
 - [SearchViewDataSource](./iOSDesignPatternSamples/Sources/UI/Search/SearchViewDataSource.swift) <- Adapt UITableViewDataSource and UITableViewDelegate
+- [SearchAction](./iOSDesignPatternSamples/Sources/UI/Search/Flux/SearchAction.swift)
+- [SearchStore](./iOSDesignPatternSamples/Sources/UI/Search/Flux/SearchStore.swift)
 
 ### [FavoriteViewController](./iOSDesignPatternSamples/Sources/UI/Favorite/FavoriteViewController.swift)
 Show local on memory favorite repositories
 
 ![](./Images/favorite.png)
 
-- [FavoriteViewModel](./iOSDesignPatternSamples/Sources/UI/Favorite/FavoriteViewModel.swift)
 - [FavoriteViewDataSource](./iOSDesignPatternSamples/Sources/UI/Favorite/FavoriteViewDataSource.swift) <- Adapt UITableViewDataSource and UITableViewDelegate
+- [FavoriteAction](./iOSDesignPatternSamples/Sources/UI/Favorite/Flux/FavoriteAction.swift)
+- [FavoriteStore](./iOSDesignPatternSamples/Sources/UI/Favorite/Flux/FavoriteStore.swift)
 
 ### [UserRepositoryViewController](./iOSDesignPatternSamples/Sources/UI/UserRepository/UserRepositoryViewController.swift)
 Show Github user's repositories
 
 ![](./Images/user_repository.png)
 
-- [UserRepositoryViewModel](./iOSDesignPatternSamples/Sources/UI/UserRepository/UserRepositoryViewModel.swift)
 - [UserRepositoryViewDataSource](./iOSDesignPatternSamples/Sources/UI/UserRepository/UserRepositoryViewDataSource.swift) <- Adapt UITableViewDataSource and UITableViewDelegate
+- [UserRepositoryAction](./iOSDesignPatternSamples/Sources/UI/UserRepository/Flux/UserRepositoryAction.swift)
+- [UserRepositoryStore](./iOSDesignPatternSamples/Sources/UI/UserRepository/Flux/UserRepositoryStore.swift)
 
 ### [RepositoryViewController](./iOSDesignPatternSamples/Sources/UI/Repository/RepositoryViewController.swift)
 Show a repository and add / remove local on memory favorites
 
 ![](./Images/repository.png)
 
-- [RepositoryViewModel](./iOSDesignPatternSamples/Sources/UI/Repository/RepositoryViewModel.swift)
+- [RepositoryAction](./iOSDesignPatternSamples/Sources/UI/Repository/Flux/RepositoryAction.swift)
+- [RepositoryStore](./iOSDesignPatternSamples/Sources/UI/Repository/Flux/RepositoryStore.swift)
+
 
 ## How to add / remove favorites
 
-You can add / remove favorite repositories in RepositoryViewController, but an Array of favorite repository is hold by FavoriteViewController.
+You can add / remove favorite repositories in RepositoryViewController. Array of favorite repository is hold by FavoriteModel that injected to each actions, therefore you can use its reference everywhere!
 
 ## Run
 

iOSDesignPatternSamples/Sources/Common/AppDelegate.swift

@@ -15,45 +15,82 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
 
     var window: UIWindow?
 
-    private let favoriteModel = FavoriteModel()
+    let favoriteModel = FavoriteModel()
 
     func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
 
         if let viewControllers = (window?.rootViewController as? UITabBarController)?.viewControllers {
             for value in viewControllers.enumerated() {
                 switch value {
                 case let (0, nc as UINavigationController):
+                    let repositoryDispatcher = RepositoryDispatcher()
+                    let searchDispatcher = SearchDispatcher()
+                    let userRepositoryDispatcher = UserRepositoryDispatcher()
                     let searchVC = SearchViewController(
-                        viewModel: SearchViewModel(
+                        action: SearchAction(
+                            notificationCenter: .default,
+                            dispatcher: searchDispatcher,
                             searchModel: SearchModel(
                                 sendRequest: ApiSession.shared.send
-                            ),
-                            notificationCenter: .default
+                            )
+                        ),
+                        store: SearchStore(
+                            dispatcher: searchDispatcher
                         ),
-                        makeUserRepositoryViewModel: { [favoriteModel] in
-                            UserRepositoryViewModel(
-                                user: $0,
-                                favoriteModel: favoriteModel,
+                        makeUserRepositoryAction: { user in
+                            UserRepositoryAction(
+                                dispatcher: userRepositoryDispatcher,
                                 repositoryModel: RepositoryModel(
-                                    user: $0,
+                                    user: user,
                                     sendRequest: ApiSession.shared.send
                                 )
                             )
                         },
-                        makeRepositoryViewModel: { [favoriteModel] in
-                            RepositoryViewModel(
-                                repository: $0,
-                                favoritesModel: favoriteModel
+                        makeUserRepositoryStore: { user in
+                            UserRepositoryStore(
+                                user: user,
+                                dispatcher: userRepositoryDispatcher
+                            )
+                        },
+                        makeRepositoryAction: { [favoriteModel] repository in
+                            RepositoryAction(
+                                repository: repository,
+                                dispatcher: repositoryDispatcher,
+                                favoriteModel: favoriteModel
+                            )
+                        },
+                        makeRepositoryStore: { repository in
+                            RepositoryStore(
+                                repository: repository,
+                                dispatcher: repositoryDispatcher
                             )
                         }
                     )
                     nc.setViewControllers([searchVC], animated: false)
 
                 case let (1, nc as UINavigationController):
+                    let favoriteDispatcher = FavoriteDispatcher()
+                    let repositoryDispatcher = RepositoryDispatcher()
                     let favoriteVC = FavoriteViewController(
-                        viewModel: FavoriteViewModel(favoriteModel: favoriteModel),
-                        makeRepositoryViewModel: { [favoriteModel] in
-                            RepositoryViewModel(repository: $0, favoritesModel: favoriteModel)
+                        action: FavoriteAction(
+                            dispatcher: favoriteDispatcher,
+                            favoriteModel: favoriteModel
+                        ),
+                        store: FavoriteStore(
+                            dispatcher: favoriteDispatcher
+                        ),
+                        makeRepositoryAction: { [favoriteModel] repository in
+                            RepositoryAction(
+                                repository: repository,
+                                dispatcher: repositoryDispatcher,
+                                favoriteModel: favoriteModel
+                            )
+                        },
+                        makeRepositoryStore: { repository in
+                            RepositoryStore(
+                                repository: repository,
+                                dispatcher: repositoryDispatcher
+                            )
                         }
                     )
                     nc.setViewControllers([favoriteVC], animated: false)

iOSDesignPatternSamples/Sources/UI/Favorite/FavoriteViewController.swift

@@ -13,19 +13,27 @@ import UIKit
 final class FavoriteViewController: UIViewController {
     @IBOutlet private(set) weak var tableView: UITableView!
 
-    let viewModel: FavoriteViewModelType
+    let action: FavoriteActionType
+    let store: FavoriteStoreType
     let dataSource: FavoriteViewDataSource
-
-    private let makeRepositoryViewModel: (Repository) -> RepositoryViewModelType
+    private let makeRepositoryAction: (Repository) -> RepositoryActionType
+    private let makeRepositoryStore: (Repository) -> RepositoryStoreType
     private var cancellables = Set<AnyCancellable>()
 
     init(
-        viewModel: FavoriteViewModelType,
-        makeRepositoryViewModel: @escaping (Repository) -> RepositoryViewModelType
+        action: FavoriteActionType,
+        store: FavoriteStoreType,
+        makeRepositoryAction: @escaping (Repository) -> RepositoryActionType,
+        makeRepositoryStore: @escaping (Repository) -> RepositoryStoreType
     ) {
-        self.makeRepositoryViewModel = makeRepositoryViewModel
-        self.viewModel = viewModel
-        self.dataSource = FavoriteViewDataSource(viewModel: viewModel)
+        self.action = action
+        self.store = store
+        self.dataSource = FavoriteViewDataSource(
+            action: action,
+            store: store
+        )
+        self.makeRepositoryAction = makeRepositoryAction
+        self.makeRepositoryStore = makeRepositoryStore
         super.init(nibName: FavoriteViewController.className, bundle: nil)
     }
 
@@ -37,27 +45,31 @@ final class FavoriteViewController: UIViewController {
         super.viewDidLoad()
 
         title = "On Memory Favorite"
-
         dataSource.configure(with: tableView)
 
-        viewModel.output.selectedRepository
+        store.selectedRepository
             .receive(on: DispatchQueue.main)
             .sink(receiveValue: showRepository)
             .store(in: &cancellables)
 
-        viewModel.output.relaodData
+        store.reloadData
             .receive(on: DispatchQueue.main)
             .sink(receiveValue: reloadData)
             .store(in: &cancellables)
+
+        action.load()
     }
 
     private var showRepository: (Repository) -> Void {
         { [weak self] repository in
             guard let me = self else {
                 return
             }
-            let vm = me.makeRepositoryViewModel(repository)
-            let vc = RepositoryViewController(viewModel: vm)
+
+            let vc = RepositoryViewController(
+                action: me.makeRepositoryAction(repository),
+                store: me.makeRepositoryStore(repository)
+            )
             me.navigationController?.pushViewController(vc, animated: true)
         }
     }

iOSDesignPatternSamples/Sources/UI/Favorite/FavoriteViewDataSource.swift

@@ -11,28 +11,33 @@ import GithubKit
 import UIKit
 
 final class FavoriteViewDataSource: NSObject {
-    private let viewModel: FavoriteViewModelType
-
-    init(viewModel: FavoriteViewModelType) {
-        self.viewModel = viewModel
+    private let action: FavoriteActionType
+    private let store: FavoriteStoreType
+
+    init(
+        action: FavoriteActionType,
+        store: FavoriteStoreType
+    ) {
+        self.action = action
+        self.store = store
     }
-    
+
     func configure(with tableView: UITableView) {
         tableView.dataSource = self
         tableView.delegate = self
-        
+
         tableView.register(RepositoryViewCell.self)
     }
 }
 
 extension FavoriteViewDataSource: UITableViewDataSource {
     func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
-        return viewModel.output.favorites.count
+        return store.favorites.count
     }
-    
+
     func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
         let cell = tableView.dequeue(RepositoryViewCell.self, for: indexPath)
-        let repository = viewModel.output.favorites[indexPath.row]
+        let repository = store.favorites[indexPath.row]
         cell.configure(with: repository)
         return cell
     }
@@ -41,11 +46,11 @@ extension FavoriteViewDataSource: UITableViewDataSource {
 extension FavoriteViewDataSource: UITableViewDelegate {
     func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
         tableView.deselectRow(at: indexPath, animated: false)
-        viewModel.input.selectedIndexPath(indexPath)
+        action.select(from: store.favorites, for: indexPath)
     }
-    
+
     func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
-        let repository = viewModel.output.favorites[indexPath.row]
+        let repository = store.favorites[indexPath.row]
         return RepositoryViewCell.calculateHeight(with: repository, and: tableView)
     }
 }