Swift coding Strategy - Speaker Deck

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2017/04/17 Swift coding Strategy AKIBA.swift Ұप೥ه೦ษڧձ

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About Me

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• ాத ޹໌ (Takaaki Tanaka) • Ϋϥεϝιουגࣜձࣾ • ϞόΠϧόοΫΤϯυ • @kongmingtrap • Swift / Objective-C / Scala / JavaScript … • GyazSquare / GitHub

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˞࢓ࣄͰ͢

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ؓ࿩ٳ୊

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Strategy

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Strategy Pattern

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Strategy Pattern // MARK: - Interface public protocol TodoRepository { func get(_ handler: @escaping (Result<[TodoEntity]>) -> Void) } // MARK: - Implementation final class TodoRepositoryImpl: TodoRepository { private let dataStore: TodoDataStore public init(dataStore: TodoDataStore) { self.dataStore = dataStore } func get(_ handler: @escaping (Result<[TodoEntity]>) -> Void) { dataStore.get(with: ["filter": "all"]).onSuccess { entities in let result = Result<[TodoEntity]>.success(entities) handler(result) }.onFailure { error in let result = Result<[TodoEntity]>.failure(error) handler(result) } } }

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Strategy Pattern typealias TodoListComplitionHandler = ([TodoModel]?) -> Void // MARK: - Interface protocol TodoListUseCase { func fetchTodos(_ complite: TodoListComplitionHandler?) } // MARK: - Implementation struct TodoListUseCaseImpl: TodoListUseCase { private let todoRepository: TodoRepository public init(todoRepository: TodoRepository) { self.todoRepository = todoRepository } public func fetchTodos(_ compliton: TodoListComplitionHandler?) { todoRepository.get { result in switch result { case .success(let value): let todoModels = try! TodoTranslator().translate(value) compliton?(todoModels) case .failure(let error): print(error) compliton?(nil) } } } }

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Strategy Pattern 4USBUFHZ1BUUFSO͸ΞϧΰϦζϜͷηοτΛఆ ٛ͢Δํ๏Λఏڙ͠ɺ͜ΕΒΛަ׵Մೳʹ͢Δ ͜ͱΛ໨తͱ͍ͯ͠Δɻ4USBUFHZ1BUUFSOΑΓɺ ΞϧΰϦζϜΛ࢖༻ऀ͔Βಠཱͨ͠··༷ʑʹ มԽͤ͞Δ͜ͱ͕Ͱ͖ΔΑ͏ʹͳΔɻ

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Strategy of AKIBA.swift

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Strategy ઓུʢͤΜΓΌ͘ɺӳ4USBUFHZʣ͸ɺҰൠతʹ͸ಛఆͷ໨ඪ Λୡ੒͢ΔͨΊʹɺ௕ظతࢹ໺ͱෳ߹ࢥߟͰྗ΍ࢿݯΛ૯߹త ʹӡ༻͢Δٕज़ɾՊֶͰ͋Δɻ

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Strategy IUUQXXXJUNFEJBDPKQCJ[JEBSUJDMFT OFXTIUNM

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Strategy w όουϊ΢ϋ΢ͳͲɺΫϥεϝιου͚ͩͰ ڞ༗Ͱ͖ͳ͍৘ใΛ৔Λ௨ͯ͡ڞ༗Ͱ͖ΔΑ ͏ʹ͢Δ w ༗໊ਓͷํͱͭͳ͕ͬͯɺࠔͬͨͱ͖ʹฉ͚ ΔΑ͏ʹ͢Δ w Ϋϥεϝιου͔ΒελʔϓϨΠϠʔΛഐग़ ͢Δ

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Tactics w ִ݄ͰษڧձΛ։࠵͢Δ w ։࠵ϒϩάΛॻ͘ w ήετεϐʔΧʔΛট͘ w ৔ॴΛఏڙ͢Δ w ຖճςʔϚʹԊͬͯืूΛ͔͚Δ

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USZ4XJGUৼΓฦΓษڧձ Ր 4XJGUͱ0CKFDUJWF$ͱͷจ๏ൺֱ Ր 88%$৘ใڞ༗ձ ۚ 4XJGU-5େձʂ Ր εϖγϟϧίϥϘʂʂ ݄ ϑϦʔτʔʔΫʂʂ Ր GBTUMBOFϋϯζΦϯ Ր ϑϦʔτʔʔΫʂʂ Ր લ೔ʹࠂ஌͢ΔษڧձɺͦΕ͕",*#"TXJGU Ր ϑϦʔτʔʔΫʂʂ Ր ,ZPCBTIJTXJGUY",*#"TXJGU߹ಉษڧձ ਫ ",*#"TXJGUº4XJGUѪ޷ձWPM ݄ ",*#"TXJGUҰप೥ه೦ษڧձʂ ݄ ։࠵ཤྺ

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