Merge pull request #305 from depromeet/feat/#301-add-paigination

feat: 페이지네이션 추가

14th-team5-iOS/App/Sources/Presentation/Calendar/Reactor/CalendarViewReactor.swift

@@ -74,7 +74,7 @@ public final class CalendarViewReactor: Reactor {
     public func mutate(action: Action) -> Observable<Mutation> {
         switch action {
         case .fetchFamilyMembers:
-            let query: SearchFamilyQuery = SearchFamilyQuery(type: "FAMILY", page: 1, size: 20)
+            let query: SearchFamilyQuery = SearchFamilyQuery(page: 1, size: 20)
             return familyUseCase.excute(query: query)
                 .asObservable()
                 .flatMap {_ in 

14th-team5-iOS/App/Sources/Presentation/Home/Dependency/HomeDIContainer.swift

@@ -12,10 +12,7 @@ import Core
 
 
 public final class HomeDIContainer {
-    public typealias ViewContrller = HomeViewController
-    public typealias Reactor = HomeViewReactor
-
-    public func makeViewController() -> ViewContrller {
+    func makeViewController() -> HomeViewController {
         return HomeViewController(reactor: makeReactor())
     }
 
@@ -43,7 +40,7 @@ public final class HomeDIContainer {
         return FamilyViewUseCase(familyRepository: makeInviteFamilyRepository())
     }
 
-    public func makeReactor() -> Reactor {
+    func makeReactor() -> HomeViewReactor {
         return HomeViewReactor(postRepository: makePostUseCase())
     }
 

14th-team5-iOS/App/Sources/Presentation/Home/Model/SectionOfFamily.swift

@@ -24,3 +24,16 @@ extension SectionOfFamily: SectionModelType {
         self.items = items
     }
 }
+
+
+struct FamilySection {
+  typealias Model = SectionModel<Int, Item>
+
+  enum Item {
+    case main(ProfileData)
+  }
+}
+
+extension FamilySection.Item: Equatable {
+
+}

14th-team5-iOS/App/Sources/Presentation/Home/Model/SectionOfFeed.swift

@@ -24,3 +24,15 @@ extension SectionOfFeed: SectionModelType {
         self.items = items
     }
 }
+
+struct PostSection {
+  typealias Model = SectionModel<Int, Item>
+
+  enum Item {
+    case main(PostListData)
+  }
+}
+
+extension PostSection.Item: Equatable {
+
+}

14th-team5-iOS/App/Sources/Presentation/Home/Reactor/HomeFamilyViewReactor.swift

@@ -12,27 +12,39 @@ import Domain
 
 import ReactorKit
 import RxDataSources
+import Kingfisher
 
-public final class HomeFamilyViewReactor: Reactor {
-    public enum Action {
-        case getFamilyMembers
+final class HomeFamilyViewReactor: Reactor {
+    enum Action {
+        case viewWillAppear
+        case prefetchItems([FamilySection.Item])
         case tapInviteFamily
+        case pagination(
+            contentHeight: CGFloat,
+            contentOffsetY: CGFloat,
+            scrollViewHeight: CGFloat
+        )
     }
 
-    public enum Mutation {
+    enum Mutation {
         case setLoading(Bool)
         case showShareAcitivityView(URL?)
         case showInviteFamilyView
-        case setFamilyCollectionView([SectionModel<String, ProfileData>])
         case setCopySuccessToastMessageView
         case setFetchFailureToastMessageView
         case setSharePanel(String)
+        case initDataSource([FamilySection.Item])
+        case updateDataSource([FamilySection.Item])
     }
 
     public struct State {
         var showLoading: Bool = true
         var isShowingInviteFamilyView: Bool = false
-        var familySections: [SectionModel<String, ProfileData>] = []
+        var familySections = FamilySection.Model(
+            model: 0,
+            items: []
+        )
+
         @Pulse var familyInvitationLink: URL?
         @Pulse var shouldPresentCopySuccessToastMessageView: Bool = false
         @Pulse var shouldPresentFetchFailureToastMessageView: Bool = false
@@ -43,14 +55,17 @@ public final class HomeFamilyViewReactor: Reactor {
     private let searchFamilyUseCase: SearchFamilyMemberUseCaseProtocol
     private let inviteFamilyUseCase: FamilyViewUseCaseProtocol
 
+    private var currentPage: Int = 0
+    private var isLast: Bool = false
+
     init(searchFamilyUseCase: SearchFamilyMemberUseCaseProtocol, inviteFamilyUseCase: FamilyViewUseCaseProtocol) {
         self.inviteFamilyUseCase = inviteFamilyUseCase
         self.searchFamilyUseCase = searchFamilyUseCase
     }
 }
 
 extension HomeFamilyViewReactor {
-    public func transform(mutation: Observable<Mutation>) -> Observable<Mutation> {
+    func transform(mutation: Observable<Mutation>) -> Observable<Mutation> {
         let eventMutation = provider.activityGlobalState.event
             .flatMap { event -> Observable<Mutation> in
                 switch event {
@@ -64,18 +79,13 @@ extension HomeFamilyViewReactor {
         return Observable<Mutation>.merge(mutation, eventMutation)
     }
 
-    public func mutate(action: Action) -> Observable<Mutation> {
+    func mutate(action: Action) -> Observable<Mutation> {
         switch action {
-        case .tapInviteFamily:
-            return inviteFamilyUseCase.executeFetchInvitationUrl()
-                .map {
-                    guard let invitationLink = $0?.url else {
-                        return .setFetchFailureToastMessageView
-                    }
-                    return .setSharePanel(invitationLink)
-                }
-        case .getFamilyMembers:
-            let query: SearchFamilyQuery = SearchFamilyQuery(type: "FAMILY", page: 1, size: 20)
+        case .viewWillAppear:
+            currentPage = 1
+            isLast = false
+
+            let query = SearchFamilyQuery(page: currentPage, size: 10)
             return searchFamilyUseCase.excute(query: query)
                 .asObservable()
                 .flatMap { familyMembers in
@@ -84,22 +94,49 @@ extension HomeFamilyViewReactor {
                         return Observable.just(Mutation.showInviteFamilyView)
                     }
 
-                    var observables = [Observable.just(Mutation.setFamilyCollectionView([
-                        SectionModel<String, ProfileData>(model: "section1", items: familyMembers.members)]))]
-
-                    return Observable.concat(observables)
+                    let familySectionItem = familyMembers.members.map(FamilySection.Item.main)
+                    return Observable.concat([
+                        //                        Observable.just(Mutation.show)
+                        Observable.just(Mutation.initDataSource(familySectionItem))
+                    ])
                 }
+        case .tapInviteFamily:
+            return inviteFamilyUseCase.executeFetchInvitationUrl()
+                .map {
+                    guard let invitationLink = $0?.url else {
+                        return .setFetchFailureToastMessageView
+                    }
+                    return .setSharePanel(invitationLink)
+                }
+        case let .pagination(contentHeight, contentOffsetY, scrollViewHeight):
+            let paddingSpace = contentHeight - contentOffsetY
+            if paddingSpace < scrollViewHeight {
+                return getFamilyMembers()
+            } else {
+                return .empty()
+            }
+        case let .prefetchItems(items):
+            var urls = [URL]()
+            items.forEach {
+                if case let .main(profile) = $0,
+                   let imageURL = profile.profileImageURL,
+                   let url = URL(string: imageURL) {
+                    urls.append(url)
+                }
+            }
+            ImagePrefetcher(resources: urls).start()
+            return .empty()
         }
     }
 
-    public func reduce(state: State, mutation: Mutation) -> State {
+    func reduce(state: State, mutation: Mutation) -> State {
         var newState = state
 
         switch mutation {
         case .showInviteFamilyView:
             newState.isShowingInviteFamilyView = true
-        case let .setFamilyCollectionView(data):
-            newState.familySections = data
+        case let .updateDataSource(sectionItem):
+            newState.familySections.items.append(contentsOf: sectionItem)
         case let .showShareAcitivityView(url):
             newState.familyInvitationLink = url
         case .setLoading:
@@ -110,8 +147,34 @@ extension HomeFamilyViewReactor {
             newState.shouldPresentFetchFailureToastMessageView = true
         case let .setSharePanel(urlString):
             newState.familyInvitationLink = URL(string: urlString)
+        case let .initDataSource(sectionItem):
+            newState.familySections.items = sectionItem
         }
 
         return newState
     }
 }
+
+extension HomeFamilyViewReactor {
+    private func getFamilyMembers() -> Observable<Mutation> {
+        self.currentPage += 1
+
+        guard !isLast else {
+            return Observable.empty()
+        }
+
+        let query: SearchFamilyQuery = SearchFamilyQuery(page: currentPage, size: 10)
+        return searchFamilyUseCase.excute(query: query)
+            .asObservable()
+            .flatMap { familyMembers -> Observable<Mutation> in
+                guard let familyMembers else {
+                    return Observable.empty()
+                }
+
+                self.isLast = true
+
+                let familySectionItem = familyMembers.members.map(FamilySection.Item.main)
+                return Observable.just(Mutation.updateDataSource(familySectionItem))
+            }
+    }
+}