Merge pull request #53 from HanaPiece/feat/query-dsl-set

feat/#16 QueryDSL 설정

build.gradle

@@ -28,13 +28,20 @@ dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-webflux'
 	implementation 'com.google.code.gson:gson:2.7'
 	implementation 'com.google.guava:guava:11.0.2'
+
 	compileOnly 'org.projectlombok:lombok'
 	runtimeOnly 'com.mysql:mysql-connector-j'
 	annotationProcessor 'org.projectlombok:lombok'
 	implementation 'org.openapitools:jackson-databind-nullable:0.2.4'
 	implementation 'io.jsonwebtoken:jjwt:0.9.1'
 	implementation 'javax.xml.bind:jaxb-api:2.3.0'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
+
+	//QueryDSL
+	implementation 'com.querydsl:querydsl-jpa:5.0.0:jakarta'
+	annotationProcessor "com.querydsl:querydsl-apt:5.0.0:jakarta"
+	annotationProcessor "jakarta.annotation:jakarta.annotation-api"
+	annotationProcessor "jakarta.persistence:jakarta.persistence-api"
 }
 
 tasks.named('test') {

src/main/java/com/project/hana_piece/account/repository/AccountTransactionRepositoryCustom.java

@@ -0,0 +1,24 @@
+package com.project.hana_piece.account.repository;
+
+import static com.project.hana_piece.account.domain.QAccountTransaction.accountTransaction;
+
+import com.project.hana_piece.account.domain.AccountTransaction;
+import com.querydsl.jpa.impl.JPAQueryFactory;
+import java.util.List;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Repository;
+
+@Repository
+@RequiredArgsConstructor
+public class AccountTransactionRepositoryCustom {
+
+    private final JPAQueryFactory queryFactory;
+    public List<AccountTransaction> findDailyTransactionList(Long accountId, Integer transactionMonth){
+        return queryFactory.selectFrom(accountTransaction)
+            .where(accountTransaction.createdAt.month().eq(transactionMonth)
+                .and(accountTransaction.account.accountId.eq(accountId))
+                .and(accountTransaction.amount.lt(0)))
+            .orderBy(accountTransaction.createdAt.desc())
+            .fetch();
+    }
+}

src/main/java/com/project/hana_piece/account/service/AccountService.java

@@ -27,6 +27,7 @@
 import com.project.hana_piece.account.repository.AccountAutoDebitRepository;
 import com.project.hana_piece.account.repository.AccountRepository;
 import com.project.hana_piece.account.repository.AccountTransactionRepository;
+import com.project.hana_piece.account.repository.AccountTransactionRepositoryCustom;
 import com.project.hana_piece.goal.domain.UserGoal;
 import com.project.hana_piece.goal.exception.UserGoalNotFoundException;
 import com.project.hana_piece.goal.repository.UserGoalRepository;
@@ -50,6 +51,7 @@ public class AccountService {
     private final AccountRepository accountRepository;
     private final AccountAutoDebitRepository accountAutoDebitRepository;
     private final AccountTransactionRepository accountTransactionRepository;
+    private final AccountTransactionRepositoryCustom accountTransactionRepositoryCustom;
     private final UserRepository userRepository;
     private final UserGoalRepository userGoalRepository;
 
@@ -156,7 +158,7 @@ public List<AccountTransactionGetResponse> findGoalAccountTransactionList(Long u
     public AccountMonthTransactionGetResponse findAccountMonthTransactionList(Long userId, Long accountId, Integer transactionMonth) {
         Account account = accountRepository.findById(accountId)
             .orElseThrow(() -> new AccountNotFoundException(accountId));
-        List<AccountTransaction> dailyTransactionProjectionList = accountTransactionRepository.findDailyTransactionList(
+        List<AccountTransaction> dailyTransactionProjectionList = accountTransactionRepositoryCustom.findDailyTransactionList(
             accountId, transactionMonth);
         // Projection List -> DTO List
         List<AccountDailyTransactionGetResponse> dailyTransactionList = dailyTransactionProjectionList.stream()

src/main/java/com/project/hana_piece/common/config/QueryDSLConfig.java

@@ -0,0 +1,19 @@
+package com.project.hana_piece.common.config;
+
+import com.querydsl.jpa.impl.JPAQueryFactory;
+import jakarta.persistence.EntityManager;
+import lombok.RequiredArgsConstructor;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+@RequiredArgsConstructor
+public class QueryDSLConfig {
+
+    private final EntityManager entityManager;
+
+    @Bean
+    public JPAQueryFactory jpaQueryFactory() {
+        return new JPAQueryFactory(entityManager);
+    }
+}