[전남대 BE_윤석호] 미션 제출합니다.

README.md

@@ -1 +1,13 @@
-# java-racingcar-precourse
+# java-racingcar-precourse
+
+헥사고날 아키텍처 연습\
+일반적인 RESTful api 서버가 M, C를 담당하고 브라우저가 V를 담당하니 비슷하게 구성\
+Proxy를 통해 스프링의 @RequestBody처럼 컨트롤러에 들어온 데이터를 알맞게 변환하면 좋겠지만 V에서 바로 변환
+
+1. domain entity 작성
+2. port, dto 작성
+3. service 작성
+4. adaptor 작성
+5. view 작성
+6. config 작성
+7. application 작성

src/main/java/katecam/Application.java

@@ -0,0 +1,26 @@
+package katecam;
+
+import katecam.racingcar.adapter.in.RacingCarController;
+import katecam.config.AppConfig;
+
+public class Application {
+    private static final RacingCarController racingCarController = AppConfig.getRacingCarController();
+    private static final RacingCarView racingCarView = new RacingCarView();
+
+    public static void main(String[] args) {
+        boolean valid = false;
+        while (!valid)
+            try{
+                racingCarController.initGame(racingCarView.getCarNames(), racingCarView.getNumberToAttempt());
+                racingCarView.display("\n실행 결과");
+                valid = true;
+            }catch (IllegalArgumentException e){
+                racingCarView.display(e.getMessage());
+            }
+        do{
+            racingCarController.playTurn();
+            racingCarView.display(racingCarController.getTurnResult());
+        }while(!racingCarController.isEnded());
+        racingCarView.display(racingCarController.getTotalResult());
+    }
+}

src/main/java/katecam/RacingCarView.java

@@ -0,0 +1,37 @@
+package katecam;
+
+import java.util.Arrays;
+import java.util.InputMismatchException;
+import java.util.List;
+import java.util.Scanner;
+
+public class RacingCarView {
+    private final Scanner scanner;
+    public RacingCarView() {
+        this.scanner = new Scanner(System.in);
+    }
+
+    public List<String> getCarNames(){
+        display("경주할 자동차 이름을 입력하세요.(이름은 쉼표(,) 기준으로 구분)");
+        return Arrays.stream(scanner.nextLine().split(","))
+                .map(String::trim)
+                .toList();
+    }
+
+    public int getNumberToAttempt(){
+        display("시도할 회수는 몇회인가요?");
+        int numberToAttempt;
+        try{
+            numberToAttempt = scanner.nextInt();
+        }catch (InputMismatchException e){
+            throw new IllegalArgumentException("숫자를 입력하세요");
+        }finally {
+            scanner.nextLine();
+        }
+        return numberToAttempt;
+    }
+
+    public void display(String string){
+        System.out.println(string);
+    }
+}

src/main/java/katecam/config/AppConfig.java

@@ -0,0 +1,39 @@
+package katecam.config;
+
+import katecam.racingcar.adapter.in.RacingCarController;
+import katecam.racingcar.adapter.out.InMemoryGameAdaptor;
+import katecam.racingcar.application.port.in.command.GameInitializationUseCase;
+import katecam.racingcar.application.port.in.command.GameTurnPlayUseCase;
+import katecam.racingcar.application.port.in.query.GameStatusQuery;
+import katecam.racingcar.application.port.out.GameRecordPort;
+import katecam.racingcar.application.port.out.GameLoadPort;
+import katecam.racingcar.application.service.GameInitializationService;
+import katecam.racingcar.application.service.GameTurnPlayService;
+import katecam.racingcar.application.service.GameStatusQueryService;
+
+public class AppConfig {
+    private static GameLoadPort gameLoadPort;
+    private static GameRecordPort gameRecordPort;
+    private static GameInitializationUseCase gameInitializationUseCase;
+    private static GameTurnPlayUseCase gameTurnPlayUseCase;
+    private static GameStatusQuery gameStatusQuery;
+    private static RacingCarController racingCarController;
+
+    static {
+        InMemoryGameAdaptor inMemoryGameAdaptor = new InMemoryGameAdaptor();
+        gameRecordPort = inMemoryGameAdaptor;
+        gameLoadPort = inMemoryGameAdaptor;
+        gameInitializationUseCase = new GameInitializationService(gameRecordPort);
+        gameTurnPlayUseCase = new GameTurnPlayService(gameLoadPort);
+        gameStatusQuery = new GameStatusQueryService(gameLoadPort);
+        racingCarController = new RacingCarController(
+                gameInitializationUseCase,
+                gameTurnPlayUseCase,
+                gameStatusQuery
+        );
+    }
+
+    public static RacingCarController getRacingCarController() {
+        return racingCarController;
+    }
+}

src/main/java/katecam/racingcar/adapter/in/RacingCarController.java

@@ -0,0 +1,36 @@
+package katecam.racingcar.adapter.in;
+
+import java.util.List;
+import katecam.racingcar.application.dto.command.GameInitializationReq;
+import katecam.racingcar.application.port.in.command.GameInitializationUseCase;
+import katecam.racingcar.application.port.in.command.GameTurnPlayUseCase;
+import katecam.racingcar.application.port.in.query.GameStatusQuery;
+
+public class RacingCarController {
+    private final GameInitializationUseCase gameInitializationUseCase;
+    private final GameTurnPlayUseCase gameTurnPlayUseCase;
+    private final GameStatusQuery gameStatusQuery;
+
+    public RacingCarController(GameInitializationUseCase gameInitializationUseCase,
+            GameTurnPlayUseCase gameTurnPlayUseCase, GameStatusQuery gameStatusQuery) {
+        this.gameInitializationUseCase = gameInitializationUseCase;
+        this.gameTurnPlayUseCase = gameTurnPlayUseCase;
+        this.gameStatusQuery = gameStatusQuery;
+    }
+
+    public void initGame(List<String> carNames, int numberToAttempt){
+        gameInitializationUseCase.initialize(new GameInitializationReq(carNames, numberToAttempt));
+    }
+    public void playTurn(){
+        gameTurnPlayUseCase.playTurn();
+    }
+    public boolean isEnded(){
+        return gameStatusQuery.isEnded();
+    }
+    public String getTurnResult(){
+        return gameStatusQuery.getTurnResult().toString();
+    }
+    public String getTotalResult(){
+        return gameStatusQuery.getTotalResult().toString();
+    }
+}

src/main/java/katecam/racingcar/adapter/out/InMemoryGameAdaptor.java

@@ -0,0 +1,27 @@
+package katecam.racingcar.adapter.out;
+
+import katecam.racingcar.application.port.out.GameRecordPort;
+import katecam.racingcar.application.port.out.GameLoadPort;
+import katecam.racingcar.domain.Game;
+
+public class InMemoryGameAdaptor implements GameRecordPort, GameLoadPort {
+    private Game game;
+    @Override
+    public void save(Game game) {
+        if (this.game != null)
+            throw new IllegalStateException("저장된 게임 있음");
+        this.game = game;
+    }
+
+    @Override
+    public Game getOrThrow() {
+        if (this.game == null)
+            throw new IllegalStateException("저장된 게임 없음");
+        return this.game;
+    }
+
+    @Override
+    public void delete(){
+        this.game = null;
+    }
+}

src/main/java/katecam/racingcar/application/dto/command/GameInitializationReq.java

@@ -0,0 +1,22 @@
+package katecam.racingcar.application.dto.command;
+
+import java.util.List;
+
+public record GameInitializationReq(
+        List<String> carNames,
+        int numberToAttempt
+) {
+
+    public GameInitializationReq{
+        if (carNames == null || carNames.isEmpty())
+            throw new IllegalArgumentException("리스트 비었음");
+
+        carNames.forEach(name-> {
+                    if (name == null || name.length() < 5)
+                        throw new IllegalArgumentException("5자리 이상 입력");
+                });
+
+        if (numberToAttempt <= 0)
+            throw new IllegalArgumentException("올바른 시도 횟수 입력");
+    }
+}

src/main/java/katecam/racingcar/application/dto/query/CarPositionRes.java

@@ -0,0 +1,5 @@
+package katecam.racingcar.application.dto.query;
+
+public record CarPositionRes(String carName, int position) {
+
+}

src/main/java/katecam/racingcar/application/dto/query/GameTotalResultRes.java

@@ -0,0 +1,11 @@
+package katecam.racingcar.application.dto.query;
+
+import java.util.List;
+
+public record GameTotalResultRes(List<String> winners) {
+
+    @Override
+    public String toString() {
+        return "최종 우승자 : " + String.join(", ", winners);
+    }
+}

src/main/java/katecam/racingcar/application/dto/query/GameTurnResultRes.java

@@ -0,0 +1,17 @@
+package katecam.racingcar.application.dto.query;
+
+import java.util.List;
+
+public record GameTurnResultRes(List<CarPositionRes> carPositions) {
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        this.carPositions.forEach(carPosition ->
+                        sb.append(carPosition.carName())
+                                .append(" : ")
+                                .append("-".repeat(carPosition.position()))
+                                .append("\n")
+                );
+        return sb.toString();
+    }
+}

src/main/java/katecam/racingcar/application/port/in/command/GameInitializationUseCase.java

@@ -0,0 +1,7 @@
+package katecam.racingcar.application.port.in.command;
+
+import katecam.racingcar.application.dto.command.GameInitializationReq;
+
+public interface GameInitializationUseCase {
+    void initialize(GameInitializationReq req);
+}

src/main/java/katecam/racingcar/application/port/in/command/GameTurnPlayUseCase.java

@@ -0,0 +1,5 @@
+package katecam.racingcar.application.port.in.command;
+
+public interface GameTurnPlayUseCase {
+    void playTurn();
+}

src/main/java/katecam/racingcar/application/port/in/query/GameStatusQuery.java

@@ -0,0 +1,10 @@
+package katecam.racingcar.application.port.in.query;
+
+import katecam.racingcar.application.dto.query.GameTotalResultRes;
+import katecam.racingcar.application.dto.query.GameTurnResultRes;
+
+public interface GameStatusQuery {
+    boolean isEnded();
+    GameTurnResultRes getTurnResult();
+    GameTotalResultRes getTotalResult();
+}

src/main/java/katecam/racingcar/application/port/out/GameLoadPort.java

@@ -0,0 +1,7 @@
+package katecam.racingcar.application.port.out;
+
+import katecam.racingcar.domain.Game;
+
+public interface GameLoadPort {
+    Game getOrThrow();
+}

src/main/java/katecam/racingcar/application/port/out/GameRecordPort.java

@@ -0,0 +1,8 @@
+package katecam.racingcar.application.port.out;
+
+import katecam.racingcar.domain.Game;
+
+public interface GameRecordPort {
+    void save(Game game);
+    void delete();
+}

src/main/java/katecam/racingcar/application/service/GameInitializationService.java

@@ -0,0 +1,20 @@
+package katecam.racingcar.application.service;
+
+import katecam.racingcar.application.dto.command.GameInitializationReq;
+import katecam.racingcar.application.port.in.command.GameInitializationUseCase;
+import katecam.racingcar.application.port.out.GameRecordPort;
+import katecam.racingcar.domain.Game;
+
+public class GameInitializationService implements GameInitializationUseCase {
+    private final GameRecordPort gameRecordPort;
+
+    public GameInitializationService(GameRecordPort gameRecordPort) {
+        this.gameRecordPort = gameRecordPort;
+    }
+
+    @Override
+    public void initialize(GameInitializationReq req) {
+        Game game = new Game(req.carNames(), req.numberToAttempt());
+        gameRecordPort.save(game);
+    }
+}

src/main/java/katecam/racingcar/application/service/GameStatusQueryService.java

@@ -0,0 +1,43 @@
+package katecam.racingcar.application.service;
+
+
+import java.util.List;
+import katecam.racingcar.application.dto.query.CarPositionRes;
+import katecam.racingcar.application.dto.query.GameTotalResultRes;
+import katecam.racingcar.application.dto.query.GameTurnResultRes;
+import katecam.racingcar.application.port.in.query.GameStatusQuery;
+import katecam.racingcar.application.port.out.GameLoadPort;
+import katecam.racingcar.domain.Car;
+import katecam.racingcar.domain.Game;
+
+public class GameStatusQueryService implements GameStatusQuery {
+    private final GameLoadPort gameLoadPort;
+
+    public GameStatusQueryService(GameLoadPort gameLoadPort) {
+        this.gameLoadPort = gameLoadPort;
+    }
+
+    @Override
+    public boolean isEnded() {
+        Game game = gameLoadPort.getOrThrow();
+        return game.isEnded();
+    }
+
+    @Override
+    public GameTurnResultRes getTurnResult() {
+        Game game = gameLoadPort.getOrThrow();
+        List<CarPositionRes> carPositions= game.getCars().stream()
+                 .map(car->new CarPositionRes(car.getName(), car.getPosition()))
+                 .toList();
+        return new GameTurnResultRes(carPositions);
+    }
+
+    @Override
+    public GameTotalResultRes getTotalResult() {
+        Game game = gameLoadPort.getOrThrow();
+        List<String> winnerNames = game.getWinners().stream()
+                .map(Car::getName)
+                .toList();
+        return new GameTotalResultRes(winnerNames);
+    }
+}

src/main/java/katecam/racingcar/application/service/GameTurnPlayService.java

@@ -0,0 +1,19 @@
+package katecam.racingcar.application.service;
+
+import katecam.racingcar.application.port.in.command.GameTurnPlayUseCase;
+import katecam.racingcar.application.port.out.GameLoadPort;
+import katecam.racingcar.domain.Game;
+
+public class GameTurnPlayService implements GameTurnPlayUseCase {
+    private final GameLoadPort gameLoadPort;
+
+    public GameTurnPlayService(GameLoadPort gameLoadPort) {
+        this.gameLoadPort = gameLoadPort;
+    }
+
+    @Override
+    public void playTurn() {
+        Game game = gameLoadPort.getOrThrow();
+        game.playTurn();
+    }
+}