Merge pull request #99 from Team-INSERT/refactor/#92

refactor(coin): coin 도메인 리팩토링 및 테스트 코드 작성

src/main/java/com/project/bumawiki/domain/coin/domain/CoinAccount.java

@@ -2,8 +2,8 @@
 
 import java.time.LocalDateTime;
 
-import com.project.bumawiki.domain.coin.exception.CoinNotEnoughException;
-import com.project.bumawiki.domain.coin.exception.MoneyNotEnoughException;
+import com.project.bumawiki.global.error.exception.BumawikiException;
+import com.project.bumawiki.global.error.exception.ErrorCode;
 
 import jakarta.persistence.Entity;
 import jakarta.persistence.GeneratedValue;
@@ -37,15 +37,15 @@ public CoinAccount(Long userId, Long money) {
 
 	public void buyCoin(Long coinPrice, Long coinCount) {
 		if (this.money < coinPrice * coinCount) {
-			throw new MoneyNotEnoughException();
+			throw new BumawikiException(ErrorCode.MONEY_NOT_ENOUGH);
 		}
 		this.money -= coinPrice * coinCount;
 		this.coin += coinCount;
 	}
 
 	public void sellCoin(Long coinPrice, Long coinCount) {
 		if (this.coin < coinCount) {
-			throw new CoinNotEnoughException();
+			throw new BumawikiException(ErrorCode.COIN_NOT_ENOUGH);
 		}
 		this.coin -= coinCount;
 		this.money += coinPrice * coinCount;

src/main/java/com/project/bumawiki/domain/coin/domain/TradeVo.java

@@ -0,0 +1,30 @@
+package com.project.bumawiki.domain.coin.domain;
+
+import com.project.bumawiki.domain.coin.domain.type.TradeStatus;
+
+import jakarta.validation.constraints.NotNull;
+import jakarta.validation.constraints.Positive;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor
+public class TradeVo {
+	@NotNull
+	@Positive
+	private Long coinPrice;
+
+	@NotNull
+	@Positive
+	private Long coinCount;
+
+	public Trade toTrade(CoinAccount coinAccount) {
+		return new Trade(
+			coinPrice,
+			coinCount,
+			coinPrice * coinCount,
+			TradeStatus.NONE,
+			coinAccount.getId()
+		);
+	}
+}

src/main/java/com/project/bumawiki/domain/coin/domain/repository/CoinAccountRepository.java

@@ -8,7 +8,8 @@
 import org.springframework.data.jpa.repository.Query;
 
 import com.project.bumawiki.domain.coin.domain.CoinAccount;
-import com.project.bumawiki.domain.coin.exception.CoinAccountNotFoundException;
+import com.project.bumawiki.global.error.exception.BumawikiException;
+import com.project.bumawiki.global.error.exception.ErrorCode;
 
 public interface CoinAccountRepository extends JpaRepository<CoinAccount, Long> {
 	Optional<CoinAccount> findByUserId(Long userId);
@@ -17,12 +18,12 @@ public interface CoinAccountRepository extends JpaRepository<CoinAccount, Long>
 
 	default CoinAccount getByUserId(Long userId) {
 		return findByUserId(userId)
-			.orElseThrow(CoinAccountNotFoundException::new);
+			.orElseThrow(() -> new BumawikiException(ErrorCode.COIN_ACCOUNT_NOT_FOUND_EXCEPTION));
 	}
 
 	default CoinAccount getById(Long id) {
 		return findById(id)
-			.orElseThrow(CoinAccountNotFoundException::new);
+			.orElseThrow(() -> new BumawikiException(ErrorCode.COIN_ACCOUNT_NOT_FOUND_EXCEPTION));
 	}
 
 	@Query(value = "select c from CoinAccount c where c.coin > 0")

src/main/java/com/project/bumawiki/domain/coin/domain/repository/PriceRepository.java

@@ -19,12 +19,9 @@ public interface PriceRepository extends JpaRepository<Price, Long> {
 
 	default Price getRecentPrice() {
 		return findTopOrderByStartedTime()
-			.orElse(save(
-				new Price(1000000L)
-			));
-			// .orElseThrow(
-			// 	PriceNotFoundException::new
-			// );
+			.orElseGet(() ->
+				save(new Price(1000000L))
+			);
 	}
 
 	@Query("select p from Price p where p.startedTime >= :twoWeeksAgo order by p.startedTime asc")

src/main/java/com/project/bumawiki/domain/coin/implementation/CoinAccountCreator.java

@@ -0,0 +1,18 @@
+package com.project.bumawiki.domain.coin.implementation;
+
+import com.project.bumawiki.domain.coin.domain.CoinAccount;
+import com.project.bumawiki.domain.coin.domain.repository.CoinAccountRepository;
+import com.project.bumawiki.global.annotation.Implementation;
+
+import lombok.RequiredArgsConstructor;
+
+@Implementation
+@RequiredArgsConstructor
+public class CoinAccountCreator {
+
+	private final CoinAccountRepository coinAccountRepository;
+
+	public CoinAccount create(CoinAccount coinAccount) {
+		return coinAccountRepository.save(coinAccount);
+	}
+}