ABEMAのリアーキテクチャ

2019/5/19 CA.swift #14

Transcript

1. 
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26. ΞδΣϯμ  ߏ੒ͱ࣮૷ എܠ ·ͱΊ
27. ΞδΣϯμ  ߏ੒ͱ࣮૷ എܠ ·ͱΊ w Ϟδϡʔϧͷ෼͚ํ͸Ͳ͏ͯ͠Δͷʁ
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    w υϝΠϯϞσϧΛ༻͍ͯɺΞϓϦͷ࢓༷Λ࣮૷ ͢Δ
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37.  ࣮૷ྫΛݟ͍͖ͯ·͠ΐ͏
38.  w 570%ͷϨϯλϧ֬ೝը໘
39.  w 570%ͷϨϯλϧ֬ೝը໘
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40.  w 570%ͷϨϯλϧ֬ೝը໘
    w Ϣʔεέʔε
    w ʮϨϯλϧ঎඼ΛҰཡදࣔ͢Δʯ
41. %PNBJO  struct RentalSalesItem { let id: ID let title: String let startAt: Date let endAt: Date let price: Int func isOnSale(date: Date) -> Bool { startAt..<endAt ~= date } }
42. %PNBJO  struct RentalSalesItem { let id: ID let title: String let startAt: Date let endAt: Date let price: Int func isOnSale(date: Date) -> Bool { startAt..<endAt ~= date } } w υϝΠϯϩδοΫ
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43. 3FQPTJUPSZ
    *OUFSGBDF  protocol RentalSalesItemRepositoryType: AnyObject { func fetchRentalSalesItems(programID: Program.ID) -> RxSwift.Single<[RentalSalesItem]> }
44. 3FQPTJUPSZ
    *OUFSGBDF  protocol RentalSalesItemRepositoryType: AnyObject { func fetchRentalSalesItems(programID: Program.ID) -> RxSwift.Single<[RentalSalesItem]> } w 3FQPTJUPSZ͸υϝΠϯϞσϧͷӬଓԽΛߦ͏
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45. 3FQPTJUPSZ  class RentalSalesItemRepository: RentalSalesItemRepositoryType { func fetchRentalSalesItems(programID: Program.ID) -> RxSwift.Single<[RentalSalesItem]> { let request = ApiSession.Rental_SalesItemsRequest(programID: programID.rawValue) return apiSession.send(request) .map { response in response.items.map(RentalSalesItem.init) } } }
46. 3FQPTJUPSZ  class RentalSalesItemRepository: RentalSalesItemRepositoryType { func fetchRentalSalesItems(programID: Program.ID) -> RxSwift.Single<[RentalSalesItem]> { let request = ApiSession.Rental_SalesItemsRequest(programID: programID.rawValue) return apiSession.send(request) .map { response in response.items.map(RentalSalesItem.init) } } } w ϦΫΤετͷ࡞੒
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47. 3FQPTJUPSZ  class RentalSalesItemRepository: RentalSalesItemRepositoryType { func fetchRentalSalesItems(programID: Program.ID) -> RxSwift.Single<[RentalSalesItem]> { let request = ApiSession.Rental_SalesItemsRequest(programID: programID.rawValue) return apiSession.send(request) .map { response in response.items.map(RentalSalesItem.init) } } } w औಘͨ͠σʔλΛυϝΠϯϞσϧ΁ม׵
48. 3FQPTJUPSZ  extension RentalSalesItem { init(response: Rental_SalesItem) { let startAt = Date(timeIntervalSince1970: TimeInterval(response.startAt)) let endAt = Date(timeIntervalSince1970: TimeInterval(response.endAt)) return RentalSalesItem( id: response.id, title: response.title, startAt: startAt, endAt: endAt, price: response.price ) } } w Ϩεϙϯε͔ΒυϝΠϯϞσϧΛੜ੒͢Δॲཧ͸ɺ3FQPTJUPSZ಺Ͱߦ͏
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49. 6TF$BTF
    *OUFSGBDF  protocol RentalConfirmUseCaseType: AnyObject { typealias UseCaseModel = RentalConfirmUseCaseModel func listSalesItems(programID: String, date: Date) -> RxSwift.Single<UseCaseModel.SalesItems> }
50. 6TF$BTF
    *OUFSGBDF  protocol RentalConfirmUseCaseType: AnyObject { typealias UseCaseModel = RentalConfirmUseCaseModel func listSalesItems(programID: String, date: Date) -> RxSwift.Single<UseCaseModel.SalesItems> } w ʮϨϯλϧ঎඼ΛҰཡදࣔ͢ΔʯϢʔεέʔε
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51. 6TF$BTF
    *OUFSGBDF  protocol RentalConfirmUseCaseType: AnyObject { typealias UseCaseModel = RentalConfirmUseCaseModel func listSalesItems(programID: String, date: Date) -> RxSwift.Single<UseCaseModel.SalesItems> } w 6*-PHJDͱ΍ΓͱΓ͢ΔͨΊͷ%50
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52. 6TF$BTF
    *OUFSGBDF  enum RentalConfirmUseCaseModel { enum SalesItems { case items([SalesItem]) case empty } struct SalesItem { let id: String let title: String let price: Int } }
53. 6TF$BTF
    *OUFSGBDF  enum RentalConfirmUseCaseModel { enum SalesItems { case items([SalesItem]) case empty } struct SalesItem { let id: String let title: String let price: Int } } w ఆٛ͸࢓༷ʹΑͬͯมԽ͢Δ
54. 6TF$BTF
    *OUFSGBDF  enum RentalConfirmUseCaseModel { enum SalesItems { case items([SalesItem]) case empty } struct SalesItem { let id: String let title: String let price: Int } } w ఆٛ͸࢓༷ʹΑͬͯมԽ͢Δ
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55. 6TF$BTF
    *OUFSGBDF  enum RentalConfirmUseCaseModel { enum SalesItems { case items([SalesItem]) case empty } struct SalesItem { let id: String let title: String let price: Int } } w ఆٛ͸࢓༷ʹΑͬͯมԽ͢Δ
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56. class RentalConfirmUseCase: RentalConfirmUseCaseType { func listSalesItems(programID: String, date: Date) -> RxSwift.Single<UseCaseModel.SalesItems> { rentalSalesItemRepository.fetchRentalSalesItems(programID: programID) .map { items in let availableItems = items.compactMap { item -> UseCaseModel.SalesItem in guard item.isOnSale(date: date) else { return nil } return UseCaseModel.SalesItem( id: item.id, title: item.title, price: item.price ) } guard !availableItems.isEmpty else { return .empty } return .items(availableItems) } .catchErrorJustReturn(.empty) } } 6TF$BTF 
57. class RentalConfirmUseCase: RentalConfirmUseCaseType { func listSalesItems(programID: String, date: Date) -> RxSwift.Single<UseCaseModel.SalesItems> { rentalSalesItemRepository.fetchRentalSalesItems(programID: programID) .map { items in let availableItems = items.compactMap { item -> UseCaseModel.SalesItem in guard item.isOnSale(date: date) else { return nil } return UseCaseModel.SalesItem( id: item.id, title: item.title, price: item.price ) } guard !availableItems.isEmpty else { return .empty } return .items(availableItems) } .catchErrorJustReturn(.empty) } } 6TF$BTF  w 3FQPTJUPSZ͔ΒϨϯλϧ঎඼ҰཡΛऔಘ
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58. class RentalConfirmUseCase: RentalConfirmUseCaseType { func listSalesItems(programID: String, date: Date) -> RxSwift.Single<UseCaseModel.SalesItems> { rentalSalesItemRepository.fetchRentalSalesItems(programID: programID) .map { items in let availableItems = items.compactMap { item -> UseCaseModel.SalesItem in guard item.isOnSale(date: date) else { return nil } return UseCaseModel.SalesItem( id: item.id, title: item.title, price: item.price ) } guard !availableItems.isEmpty else { return .empty } return .items(availableItems) } .catchErrorJustReturn(.empty) } } 6TF$BTF  w ࢓༷
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59. class RentalConfirmUseCase: RentalConfirmUseCaseType { func listSalesItems(programID: String, date: Date) -> RxSwift.Single<UseCaseModel.SalesItems> { rentalSalesItemRepository.fetchRentalSalesItems(programID: programID) .map { items in let availableItems = items.compactMap { item -> UseCaseModel.SalesItem in guard item.isOnSale(date: date) else { return nil } return UseCaseModel.SalesItem( id: item.id, title: item.title, price: item.price ) } guard !availableItems.isEmpty else { return .empty } return .items(availableItems) } .catchErrorJustReturn(.empty) } } 6TF$BTF  w %50΁ͷม׵
60. class RentalConfirmUseCase: RentalConfirmUseCaseType { func listSalesItems(programID: String, date: Date) -> RxSwift.Single<UseCaseModel.SalesItems> { rentalSalesItemRepository.fetchRentalSalesItems(programID: programID) .map { items in let availableItems = items.compactMap { item -> UseCaseModel.SalesItem in guard item.isOnSale(date: date) else { return nil } return UseCaseModel.SalesItem( id: item.id, title: item.title, price: item.price ) } guard !availableItems.isEmpty else { return .empty } return .items(availableItems) } .catchErrorJustReturn(.empty) } } 6TF$BTF  w ࢓༷
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61. class RentalConfirmUseCase: RentalConfirmUseCaseType { func listSalesItems(programID: String, date: Date) -> RxSwift.Single<UseCaseModel.SalesItems> { rentalSalesItemRepository.fetchRentalSalesItems(programID: programID) .map { items in let availableItems = items.compactMap { item -> UseCaseModel.SalesItem in guard item.isOnSale(date: date) else { return nil } return UseCaseModel.SalesItem( id: item.id, title: item.title, price: item.price ) } guard !availableItems.isEmpty else { return .empty } return .items(availableItems) } .catchErrorJustReturn(.empty) } } 6TF$BTF  w λΠϜΞ΢τΤϥʔͳͲͷϋϯυϦϯά
62. 6*-PHJD
    *OUFSGBDF  protocol RentalConfirmViewStreamType: AnyObject { var input: InputWrapper<RentalConfirmViewStreamInput> { get } var output: OutputWrapper<RentalConfirmViewStreamOutput> { get } } struct RentalConfirmViewStreamInput: InputType { let viewDidAppear = RxRelay.PublishRelay<Void>() } struct RentalConfirmViewStreamOutput: OutputType { let sectionModels: RxSwift.Observable<[RentalConfirmSectionModel]> let showAlert: RxSwift.Observable<Void> }
63. 6*-PHJD
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64. 6*-PHJD
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    w Ϙλϯͷঢ়ଶɺΞϥʔτͷදࣔλΠϛϯάͷ௨஌ͳͲ protocol RentalConfirmViewStreamType: AnyObject { var input: InputWrapper<RentalConfirmViewStreamInput> { get } var output: OutputWrapper<RentalConfirmViewStreamOutput> { get } } struct RentalConfirmViewStreamInput: InputType { let viewDidAppear = RxRelay.PublishRelay<Void>() } struct RentalConfirmViewStreamOutput: OutputType { let sectionModels: RxSwift.Observable<[RentalConfirmSectionModel]> let showAlert: RxSwift.Observable<Void> }
65. 6*-PHJD  let salesItems = useCase.listSalesItems(programID: programID, date: getCurrentDate()) salesItems .flatMap { salesItems -> Observable<[RentalConfirmSectionItem]> in guard case let .items(_items) = salesItems else { return .empty() } let sectionModels = _items.map { ... } return .just(items) } .bind(to: state.sectionModels) dependency.inputObservables.viewDidAppear .flatMap { _ -> Observable<RentalConfirmAlert> in salesItems .flatMap { items -> Observable<Void> in guard items == .empty else { return .empty() } return .just(()) } } .bind(to: state.showAlert) .disposed(by: disposeBag)
66. 6*-PHJD  let salesItems = useCase.listSalesItems(programID: programID, date: getCurrentDate()) salesItems .flatMap { salesItems -> Observable<[RentalConfirmSectionItem]> in guard case let .items(_items) = salesItems else { return .empty() } let sectionModels = _items.map { ... } return .just(items) } .bind(to: state.sectionModels) dependency.inputObservables.viewDidAppear .flatMap { _ -> Observable<RentalConfirmAlert> in salesItems .flatMap { items -> Observable<Void> in guard items == .empty else { return .empty() } return .just(()) } } .bind(to: state.showAlert) .disposed(by: disposeBag) w 6TF$BTF͔ΒϨϯλϧ঎඼ҰཡΛऔಘ
67. 6*-PHJD  let salesItems = useCase.listSalesItems(programID: programID, date: getCurrentDate()) salesItems .flatMap { salesItems -> Observable<[RentalConfirmSectionItem]> in guard case let .items(_items) = salesItems else { return .empty() } let sectionModels = _items.map { ... } return .just(items) } .bind(to: state.sectionModels) dependency.inputObservables.viewDidAppear .flatMap { _ -> Observable<RentalConfirmAlert> in salesItems .flatMap { items -> Observable<Void> in guard items == .empty else { return .empty() } return .just(()) } } .bind(to: state.showAlert) .disposed(by: disposeBag) w Ϩϯλϧ঎඼͕͋Δ৔߹
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68. 6*-PHJD  let salesItems = useCase.listSalesItems(programID: programID, date: getCurrentDate()) salesItems .flatMap { salesItems -> Observable<[RentalConfirmSectionItem]> in guard case let .items(_items) = salesItems else { return .empty() } let sectionModels = _items.map { ... } return .just(items) } .bind(to: state.sectionModels) dependency.inputObservables.viewDidAppear .flatMap { _ -> Observable<RentalConfirmAlert> in salesItems .flatMap { items -> Observable<Void> in guard items == .empty else { return .empty() } return .just(()) } } .bind(to: state.showAlert) .disposed(by: disposeBag) w Ϩϯλϧ঎඼͕ͳ͍৔߹
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69. 6*$PNQPOFOU  override func viewDidLoad() { super.viewDidLoad() viewStream.output.sectionModels .bind(to: tableView.rx.items(dataSource: dataSource)) .disposed(by: disposeBag) viewStream.output.showAlert .observeOn(ConcurrentMainScheduler.instance) .subscribe(onNext: { [weak self] in guard let me = self else { return } let alert = UIAlertController(title: "💀", message: nil, preferredStyle: .alert) me.present(alert, animated: true) }) .disposed(by: disposeBag) } override func viewDidAppear(_ animated: Bool) { super.viewDidAppear() viewStream.input.viewDidAppear(()) }
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71. override func viewDidLoad() { super.viewDidLoad() viewStream.output.sectionModels .bind(to: tableView.rx.items(dataSource: dataSource)) .disposed(by: disposeBag) viewStream.output.showAlert .observeOn(ConcurrentMainScheduler.instance) .subscribe(onNext: { [weak self] in guard let me = self else { return } let alert = UIAlertController(title: "💀", message: nil, preferredStyle: .alert) me.present(alert, animated: true) }) .disposed(by: disposeBag) } override func viewDidAppear(_ animated: Bool) { super.viewDidAppear() viewStream.input.viewDidAppear(()) } 6*$PNQPOFOU  w 4FDUJPO.PEFMTΛ6*5BCMF7JFX΁CJOE
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73. "QQ  let rentalSalesItemRepository = RentalConfirmRepository(apiSession: ApiSession.shared) let useCase = RentalConfirmUseCase(rentalSalesItemRepository: rentalSalesItemRepository) let viewStream = RentalConfirmViewStream( programID: programID, useCase: useCase, getCurrentDate: { Date() } ) let viewController = RentalConfirmViewController(viewStream: viewStream) present(viewController)
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