ReactorKit at Wantedly - Speaker Deck

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ϖʔδλΠτϧ ϖʔδαϒλΠτϧ ©2018 Wantedly, Inc. // ProjectViewController func bind(reactor: ProjectReactor) { // Action rx.methodInvoked(#selector(viewDidLoad)) .map { _ in Reactor.Action.load } .bind(to: reactor.action) .disposed(by: disposeBag) // State reactor.state.map { $0.isBookmarking } .bind(to: bookmarkButton.rx.isSelected) .disposed(by: disposeBag) }

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ϖʔδλΠτϧ ϖʔδαϒλΠτϧ ©2018 Wantedly, Inc. // ProjectReactor func mutate(action: Action) -> Observable { switch action { case .load: return projectRepository.project(id: currentState.projectId) .asObservable() .map(Mutation.setProject) } } func reduce(state: State, mutation: Mutation) -> State { var state = state switch mutation { case let .setProject(project): state.isBookmarking = project.bookmarked } return state }

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ϖʔδλΠτϧ ϖʔδαϒλΠτϧ ©2018 Wantedly, Inc. // ProjectRepository func bookmark(projectId: Int) -> Single { return provider.rx.request(.bookmark(projectId: projectId)) .filterSuccessfulStatusCodes() .map { _ in } .do(onSubscribe: { _ in ProjectEvent.stream.onNext( .updateBookmarking(projectId: projectId, isBookmarking: true) ) }) .do(onError: { _ in ProjectEvent.stream.onNext( .updateBookmarking(projectId: projectId, isBookmarking: false) ) }) }

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ϖʔδλΠτϧ ϖʔδαϒλΠτϧ ©2018 Wantedly, Inc. // ProjectReactor enum Action { case toggleBookmarking } func mutate(action: Action) -> Observable { switch action { case .toggleBookmarking: if currentState.isBookmarking { _ = projectRepository.unbookmark(projectId: currentState.projectId).subscribe() } else { _ = projectRepository.bookmark(projectId: currentState.projectId).subscribe() } return .empty() } }

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ϖʔδλΠτϧ ϖʔδαϒλΠτϧ ©2018 Wantedly, Inc. // ProjectCellReactor func transform(mutation: Observable) -> Observable { let projectId = currentState.projectId let fromProjectEvent = ProjectEvent.stream .flatMap { event -> Observable in switch event { case let .updateBookmarking(id, isBookmarking): return id == projectId ? .just(.setBookmarking(isBookmarking)) : .empty() } } return Observable.merge(mutation, fromProjectEvent) } func reduce(state: State, mutation: Mutation) -> State { var state = state switch mutation { case let .setBookmarking(isBookmarking): state.isBookmarking = isBookmarking } return state }