Letswift18 워크숍#1 스위프트 클린코드와 코드리뷰
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This document discusses best practices for developing a chess game app called ChessMate. It covers topics like architecture patterns, design principles, testing practices, code quality, and project organization. Examples are provided to illustrate concepts like separation of concerns, dependency injection, protocol-oriented programming and value types vs reference types. The goal is to build a well-designed, extensible and maintainable chess app following industry standards.
Letswift18 워크숍#1 스위프트 클린코드와 코드리뷰
- 2. 🤩
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- 12. API SwiftLint CI
- 13. API SwiftLint CI
- 14. Best Practices & Styles ✱ Tab vs. Space ✱ Braces Styles ✱ Variable, Function, Class - Naming Rules ✱ Computed Properties vs. Methods ✱ Protocol + Extension + Generic ✱ Value Types vs. Reference Types
- 15. Software maintenance is not 'keep it working like before'. It is 'keep it being useful in a changing world' - Jessica Kerr
- 16. 1. . . 2. / . 3. . 4. . 5. / . 6. . 7. . .
- 17. , ,
- 19. ? + +
- 20. Main - , , , Reusability - DRY, components, generics Reliability - Exception handling and cleanup Extensibility Security - , , , Performance - , Lazy Loading, , Scalability - Usability -
- 23. 🤩
- 24. A B C D E F G H 8 7 6 5 4 3 2 1
- 25. Person ChessMate System Email System App Store
- 26. Person ChessMate System Email System ChessMate System iOS App Android App API ServerDatabase Apple App Store Google Play Store
- 27. Person ChessMate System Mobile App AppDelegate ChessView Controller API Server Network Manager APNS Server Background View
- 28. 1. SRP (Single-Responsibility Principle) ( , , ) . - . 2. OCP (Open-Close Principle) , . . 3. LSP (Liskov Substitution Principle) ( ) . ( ) . 4. DIP (Dependency-Inversion Principle) . ( ) , . 5. ISP (Interface-Segregation Principle) .
- 29. struct InputView { func readInput() { print(" .") let userInput = readLine() guard let input = userInput else { return } print(seperateCoordinates(userInput: input)) } //… } struct InputView { func readLine(prompt: String) -> String { print(prompt) let line = readLine() guard let input = line else { return "" } return input } //… }
- 30. class BackgroundView: UIView { private let Steps = 8 // convenience init() { self.init(frame: ChessBackgroundView.centralRect()) } private static func centralRect() -> CGRect { let screenRect = UIScreen.main.bounds let verticalMargin = (screenRect.height - screenRect.width) / 2 return CGRect(x: 0, y: verticalMargin, width: screenRect.width, height: screenRect.width) } override func draw(_ rect: CGRect) { let width = frame.width / CGFloat(Steps) let height = frame.height / CGFloat(Steps) var binaryFlag = false for y in 0..<Steps { for x in 0..<Steps { let boxFrame = CGRect(x: CGFloat(x) * width, y: CGFloat(y) * height, width: width, height: height) (binaryFlag ? UIColor.white : UIColor.black).setFill() UIBezierPath.init(rect: boxFrame).fill() binaryFlag.toggle() } binaryFlag.toggle() } } }
- 35. View DataSource
- 38. Piece Pawn type PieceType <Protocol> King Queen Rook Bishop Knight
- 40. Constructor Injection Setter Injection Interface Injection class BackgroundView: UIView { private var presenter : BackgroundPresenter! convenience init(presenter: BackgroundPresenter) { self.init(frame: presenter.centralRect()) self.presenter = presenter } } protocol GameManagerAction { func positionMap() -> Array<Array<Piece?>> func defaultFrame(path:(x : Int, y: Int)) -> CGRect } class ViewController: UIViewController { private var manager : GameManagerAction! func setManager(_ manager : GameManagerAction) { self.positionManager = manager } } protocol PieceImageSetter { func setImageBy(piece: Piece) } class PieceImageView: UIImageView, PieceImageSetter { func setImageBy(piece: Piece) { self.image = piece.type.image(color: piece.color.rawValue) } }
- 41. protocol GameManagerAction { func positionMap() -> Array<Array<Piece?>> } protocol GameManagerGeometric { func defaultFrame(for: (x : Int, y: Int)) -> CGRect } class ViewController: UIViewController { private var positionManager : (GameManagerAction & GameManagerGeometric)! func setManager(_ manager : GameManagerAction & GameManagerGeometric) { self.positionManager = manager } protocol GameManagerAction { func positionMap() -> Array<Array<Piece?>> func defaultFrame(path:(x : Int, y: Int)) -> CGRect }
- 43. . Don’t get it, Just ask them.
- 44. struct GamePositionManager { var positionMap = Array<Array<Piece?>>()
- 45. struct GamePositionManager { var positionMap = Array<Array<Piece?>>()
- 47. (Driver)(Navigator) http://cameracourage.com/2012/11/what-does-a-rally-co-driver-do/
- 48. • . • . • , . • . • . • , , ! • . • . • . • ( 10 ~20 ) . • TDD . ( …)
- 49. • . • . • . • . • . , . • . • . • . • : .
- 50. • . • ' ' . • . • * * . • . • . • . • . • . • .
- 51. • review . • • , • 😱 • • • . . https://github.com/godrm/ChessMate