미션4_로또 게임 수동

src/main/java/lotto/LottoApplication.java

@@ -4,6 +4,9 @@
 import lotto.domain.LottoConsumer;
 import lotto.domain.LottoPrize;
 import lotto.domain.LottoTicket;
+import lotto.domain.purchaseStrategy.AutoStrategy;
+import lotto.domain.purchaseStrategy.ManualStrategy;
+import lotto.dto.LottoPurchaseDto;
 import lotto.factory.LottoApplicationFactory;
 import lotto.service.LottoService;
 import lotto.view.InputView;
@@ -24,24 +27,31 @@ public LottoApplication(InputView inputView, OutputView outputView, LottoService
     }
 
     public void run() {
+        LottoConsumer consumer = new LottoConsumer();
+
         // 로또 구매 금액 입력
         int money = inputView.insertMoney();
 
         // 수동 구매 로또 수 입력
         int manuallyPurchasedLottoTicketCount = inputView.inputManuallyPurchasedLottoTicketCount();
 
-        LottoConsumer consumer = new LottoConsumer();
+        // 수동 로또 번호 입력
+        List<String[]> manuallyPurchasedLottoNumbers = inputView.inputManuallyPurchasedLottoTicketNumbers(manuallyPurchasedLottoTicketCount);
+
+        // 구매 정보 DTO
+        LottoPurchaseDto purchaseDto = new LottoPurchaseDto(money, manuallyPurchasedLottoNumbers);
+
+        // 수동 구매로 전략 변경
+        lottoService.setPurchaseStrategy(new ManualStrategy());
 
-        if (manuallyPurchasedLottoTicketCount > 0) {
-            // 수동 로또 번호 입력
-            List<String[]> manuallyPurchasedLottoNumbers = inputView.inputManuallyPurchasedLottoTicketNumbers(manuallyPurchasedLottoTicketCount);
+        // 수동 로또 티켓 구매
+        lottoService.buyLottoTicket(consumer, purchaseDto);
 
-            // 수동 로또 티켓 구매
-            lottoService.buyManualLotto(consumer, manuallyPurchasedLottoNumbers);
-        }
+        // 자동 구매로 전략 변경
+        lottoService.setPurchaseStrategy(new AutoStrategy());
 
-        // 자동 티켓 구매
-        lottoService.buyLotto(consumer, money);
+        // 자동 로또 티켓 구매
+        lottoService.buyLottoTicket(consumer, purchaseDto);
 
         // 로또 구매 정보 출력
         outputView.printLottoTicketsInformation(consumer);

src/main/java/lotto/domain/LottoConsumer.java

@@ -1,56 +1,49 @@
 package lotto.domain;
 
-import static lotto.domain.LottoTicket.LOTTO_PRICE;
-
 import java.util.ArrayList;
 import java.util.List;
 
 public class LottoConsumer {
 
-    /** 구매한 로또 티켓 목록 */
-    private final List<LottoTicket> lottoTickets;
+    /** 자동 로또 티켓 목록 */
+    private final List<LottoTicket> lottoTicketsByAuto;
 
-    /** 수동 로또 구매 개수 */
-    private int manualLottoCount = 0;
+    /** 수동 로또 티켓 목록 */
+    private final List<LottoTicket> lottoTicketsByManual;
 
     public LottoConsumer() {
-        this.lottoTickets = new ArrayList<>();
+        this.lottoTicketsByAuto = new ArrayList<>();
+        this.lottoTicketsByManual = new ArrayList<>();
     }
 
     /**
-     * 자동 로또 티켓을 구매합니다.
+     * 자동 로또 티켓을 추가합니다.
      *
-     * @param money 구매할 금액
+     * @param lottoTickets 로또 티켓 목록
      */
-    public void buyLotto(int money, LottoTicketGenerator generator) {
-        int purchasedCount = money / LOTTO_PRICE;
-        int autoPurchasedCount = purchasedCount - manualLottoCount;
-
-        for (int i = 0 ; i < autoPurchasedCount ; i++) {
-            lottoTickets.add(generator.autoGenerate());
-        }
+    public void addAutoLottoTickets(List<LottoTicket> lottoTickets) {
+        this.lottoTicketsByAuto.addAll(lottoTickets);
     }
 
     /**
-     * 수동 로또 티켓을 구매합니다.
+     * 수동 로또 티켓을 추가합니다.
      *
-     * @param lottoNumbers 수동 로또 티켓 목록
+     * @param lottoTickets 로또 티켓 목록
      */
-    public void buyManualLotto(List<String[]> lottoNumbers, LottoTicketGenerator generator) {
-        for (String[] lottoNumber : lottoNumbers) {
-            lottoTickets.add(generator.manualGenerate(lottoNumber));
-        }
-
-        // 수동 로또 티켓 수 저장
-        manualLottoCount = lottoNumbers.size();
+    public void addManualLottoTickets(List<LottoTicket> lottoTickets) {
+        this.lottoTicketsByManual.addAll(lottoTickets);
     }
 
     /**
-     * 구매한 로또 티켓 목록을 반환 합니다.
+     * 전체 로또 티켓 목록을 반환 합니다.
      *
      * @return List<LottoTicket>
      */
     public List<LottoTicket> getLottoTickets() {
+        List<LottoTicket> lottoTickets = new ArrayList<>();
+        lottoTickets.addAll(lottoTicketsByAuto);
+        lottoTickets.addAll(lottoTicketsByManual);
+
         return lottoTickets;
     }
 
@@ -59,16 +52,16 @@ public List<LottoTicket> getLottoTickets() {
      *
      * @return int
      */
-    public int getAutoLottoTicketCount() {
-        return lottoTickets.size() - manualLottoCount;
+    public int getAutoTicketCount() {
+        return lottoTicketsByAuto.size();
     }
 
     /**
      * 수동 로또 티켓 개수를 반환합니다.
      *
      * @return int
      */
-    public int getManualLottoTicketCount() {
-        return manualLottoCount;
+    public int getManualTicketCount() {
+        return lottoTicketsByManual.size();
     }
 }

src/main/java/lotto/domain/purchaseStrategy/AutoStrategy.java

@@ -0,0 +1,28 @@
+package lotto.domain.purchaseStrategy;
+
+import static lotto.domain.LottoTicket.LOTTO_PRICE;
+
+import java.util.ArrayList;
+import java.util.List;
+import lotto.domain.LottoConsumer;
+import lotto.domain.LottoTicket;
+import lotto.domain.LottoTicketGenerator;
+import lotto.dto.LottoPurchaseDto;
+
+public class AutoStrategy implements PurchaseStrategy {
+
+    @Override
+    public void buyLottoTicket(LottoConsumer consumer, LottoPurchaseDto purchaseDto, LottoTicketGenerator generator) {
+        List<LottoTicket> lottoTickets = new ArrayList<>();
+
+        int purchasedCount = purchaseDto.getMoney() / LOTTO_PRICE;
+        int autoPurchasedCount = purchasedCount - consumer.getManualTicketCount();
+
+        for (int i = 0 ; i < autoPurchasedCount ; i++) {
+            lottoTickets.add(generator.autoGenerate());
+        }
+
+        // 로또 티켓 추가
+        consumer.addAutoLottoTickets(lottoTickets);
+    }
+}

src/main/java/lotto/domain/purchaseStrategy/ManualStrategy.java

@@ -0,0 +1,23 @@
+package lotto.domain.purchaseStrategy;
+
+import java.util.ArrayList;
+import java.util.List;
+import lotto.domain.LottoConsumer;
+import lotto.domain.LottoTicket;
+import lotto.domain.LottoTicketGenerator;
+import lotto.dto.LottoPurchaseDto;
+
+public class ManualStrategy implements PurchaseStrategy {
+
+    @Override
+    public void buyLottoTicket(LottoConsumer consumer, LottoPurchaseDto purchaseDto, LottoTicketGenerator generator) {
+        List<LottoTicket> lottoTickets = new ArrayList<>();
+
+        for (String[] lottoNumber : purchaseDto.getLottoNumbers()) {
+            lottoTickets.add(generator.manualGenerate(lottoNumber));
+        }
+
+        // 로또 티켓 추가
+        consumer.addManualLottoTickets(lottoTickets);
+    }
+}

src/main/java/lotto/domain/purchaseStrategy/PurchaseStrategy.java

@@ -0,0 +1,10 @@
+package lotto.domain.purchaseStrategy;
+
+import lotto.domain.LottoConsumer;
+import lotto.domain.LottoTicketGenerator;
+import lotto.dto.LottoPurchaseDto;
+
+public interface PurchaseStrategy {
+
+    void buyLottoTicket(LottoConsumer consumer, LottoPurchaseDto purchaseDto, LottoTicketGenerator generator);
+}

src/main/java/lotto/dto/LottoPurchaseDto.java

@@ -0,0 +1,27 @@
+package lotto.dto;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class LottoPurchaseDto {
+
+    private final int money;
+
+    private final List<String[]> lottoNumbers;
+
+    public LottoPurchaseDto(int money, List<String[]> lottoNumbers) {
+        this.money = money;
+        this.lottoNumbers = new ArrayList<>();
+        if (lottoNumbers != null) {
+            this.lottoNumbers.addAll(lottoNumbers);
+        }
+    }
+
+    public int getMoney() {
+        return money;
+    }
+
+    public List<String[]> getLottoNumbers() {
+        return lottoNumbers;
+    }
+}

src/main/java/lotto/service/LottoService.java

@@ -8,6 +8,8 @@
 import lotto.domain.LottoPrize;
 import lotto.domain.LottoTicket;
 import lotto.domain.LottoTicketGenerator;
+import lotto.domain.purchaseStrategy.PurchaseStrategy;
+import lotto.dto.LottoPurchaseDto;
 import lotto.view.OutputView;
 
 public class LottoService {
@@ -18,29 +20,29 @@ public class LottoService {
     /** 로또 번호 생성기 */
     private final LottoTicketGenerator generator;
 
+    /** 로또 구매 전략 */
+    private PurchaseStrategy strategy;
+
     public LottoService(LottoCalculator calculator, LottoTicketGenerator generator) {
         this.calculator = calculator;
         this.generator = generator;
     }
 
     /**
-     * 로또 티켓을 구매합니다.
-     *
-     * @param consumer 로또 구매자 객체
-     * @param money    구매 금액
+     * 구매 전략 세팅
      */
-    public void buyLotto(LottoConsumer consumer, int money) {
-        consumer.buyLotto(money, generator);
+    public void setPurchaseStrategy(PurchaseStrategy strategy) {
+        this.strategy = strategy;
     }
 
     /**
-     * 수동 로또 티켓을 구매합니다.
+     * 로또 티켓을 구매합니다.
      *
-     * @param consumer     LottoConsumer
-     * @param lottoNumbers 로또 번호 목록
+     * @param consumer 구매자
+     * @param dto      구매정보 DTO
      */
-    public void buyManualLotto(LottoConsumer consumer, List<String[]> lottoNumbers) {
-        consumer.buyManualLotto(lottoNumbers, generator);
+    public void buyLottoTicket(LottoConsumer consumer, LottoPurchaseDto dto) {
+        strategy.buyLottoTicket(consumer, dto, generator);
     }
 
     /**

src/main/java/lotto/view/InputView.java

@@ -88,6 +88,10 @@ public int inputManuallyPurchasedLottoTicketCount() {
      * @return List<String [ ]>
      */
     public List<String[]> inputManuallyPurchasedLottoTicketNumbers(int purchasedCount) {
+        if (purchasedCount < 1) {
+            return null;
+        }
+
         List<String[]> numbers = new ArrayList<>();
 
         System.out.println("수동으로 구매할 번호를 입력해 주세요.");

src/main/java/lotto/view/OutputView.java

@@ -12,7 +12,7 @@ public class OutputView {
      * @param consumer 로또 구매자
      */
     public void printLottoTicketsInformation(LottoConsumer consumer) {
-        System.out.println("수동으로 " + consumer.getManualLottoTicketCount() + "개, 자동으로 " + consumer.getAutoLottoTicketCount() + "를 구매했습니다.");
+        System.out.println("수동으로 " + consumer.getManualTicketCount() + "개, 자동으로 " + consumer.getAutoTicketCount() + "를 구매했습니다.");
 
         for (LottoTicket lottoTicket : consumer.getLottoTickets()) {
             System.out.println(lottoTicket.get());