Feat : AccessService 구현(존재하는 Academy인지 확인 쿼리 및 교육비 조회 쿼리)

src/main/java/org/guzzing/studayserver/domain/academy/repository/AcademyFee.java

@@ -0,0 +1,10 @@
+package org.guzzing.studayserver.domain.academy.repository;
+
+public interface AcademyFee {
+
+    Long getMaxEducationFee();
+
+    String getAcademyName();
+
+
+}

src/main/java/org/guzzing/studayserver/domain/academy/repository/academy/AcademyJpaRepository.java

@@ -3,6 +3,7 @@
 import jakarta.persistence.EntityNotFoundException;
 import org.guzzing.studayserver.domain.academy.model.Academy;
 import org.guzzing.studayserver.domain.academy.repository.AcademiesByName;
+import org.guzzing.studayserver.domain.academy.repository.AcademyFee;
 import org.guzzing.studayserver.global.error.response.ErrorCode;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.domain.Slice;
@@ -26,4 +27,11 @@ default Academy getById(Long academyId) {
             nativeQuery = true)
     Slice<AcademiesByName> findAcademiesByName(@Param("academyName") String academyName, Pageable pageable);
 
+
+    @Query("SELECT a.maxEducationFee, a.academyInfo.academyName FROM Academy AS a WHERE a.id = :academyId")
+    AcademyFee findAcademyFeeInfo(@Param("academyId") Long academyId);
+
+    @Query("SELECT CASE WHEN EXISTS (SELECT 1 FROM Academy a WHERE a.id = :academyId) THEN true ELSE false END")
+    boolean existsByAcademyId(@Param("academyId") Long academyId);
+
 }

src/main/java/org/guzzing/studayserver/domain/academy/repository/academy/AcademyRepository.java

@@ -2,12 +2,10 @@
 
 import java.util.List;
 import org.guzzing.studayserver.domain.academy.model.Academy;
-import org.guzzing.studayserver.domain.academy.repository.AcademiesByLocation;
-import org.guzzing.studayserver.domain.academy.repository.AcademiesByName;
-import org.guzzing.studayserver.domain.academy.repository.AcademyByFiltering;
-import org.guzzing.studayserver.domain.academy.repository.AcademyFilterCondition;
+import org.guzzing.studayserver.domain.academy.repository.*;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.domain.Slice;
+import org.springframework.data.repository.query.Param;
 import org.springframework.stereotype.Repository;
 
 @Repository
@@ -22,4 +20,8 @@ public interface AcademyRepository extends AcademyJpaRepository, AcademyQueryRep
     List<AcademiesByLocation> findAcademiesByLocation(String pointFormat);
 
     List<AcademyByFiltering> filterAcademies(AcademyFilterCondition academyFilterCondition);
+
+    AcademyFee findAcademyFeeInfo(Long academyId);
+
+    boolean existsByAcademyId(Long academyId);
 }

src/main/java/org/guzzing/studayserver/domain/academy/service/AcademyAccessServiceImpl.java

@@ -1,20 +1,27 @@
 package org.guzzing.studayserver.domain.academy.service;
 
+import org.guzzing.studayserver.domain.academy.repository.academy.AcademyRepository;
 import org.guzzing.studayserver.domain.like.service.dto.response.AcademyFeeInfo;
 import org.springframework.stereotype.Service;
 
 @Service
 public class AcademyAccessServiceImpl implements
         AcademyAccessService {
 
+    private final AcademyRepository academyRepository;
+
+    public AcademyAccessServiceImpl(AcademyRepository academyRepository) {
+        this.academyRepository = academyRepository;
+    }
+
     @Override
     public AcademyFeeInfo findAcademyFeeInfo(Long academyId) {
-        return null;
+        return AcademyFeeInfo.to(academyRepository.findAcademyFeeInfo(academyId));
     }
 
     @Override
     public boolean existsAcademy(Long academyId) {
-        return false;
+        return academyRepository.existsByAcademyId(academyId);
     }
 
 }

src/main/java/org/guzzing/studayserver/domain/like/service/dto/response/AcademyFeeInfo.java

@@ -1,8 +1,17 @@
 package org.guzzing.studayserver.domain.like.service.dto.response;
 
+import org.guzzing.studayserver.domain.academy.repository.AcademyFee;
+
 public record AcademyFeeInfo(
         String academyName,
         long expectedFee
 ) {
 
+    public static AcademyFeeInfo to(AcademyFee academyFee) {
+        return new AcademyFeeInfo(
+                academyFee.getAcademyName(),
+                academyFee.getMaxEducationFee()
+        );
+    }
+
 }