KNU-HAEDAL#1 feat: 기프티콘 및 유저 기프티콘 서비스 제작

src/main/java/team/haedal/gifticionfunding/repository/gifticon/UserGifticonJpaRepository.java

@@ -2,6 +2,13 @@
 
 import org.springframework.data.jpa.repository.JpaRepository;
 import team.haedal.gifticionfunding.entity.gifticon.UserGifticon;
+import team.haedal.gifticionfunding.entity.user.User;
+
+import java.util.List;
 
 public interface UserGifticonJpaRepository extends JpaRepository<UserGifticon, Long> {
+    List<UserGifticon> findByOwner(User owner);
+
+    List<UserGifticon> findByBuyer(User buyer);
+
 }

src/main/java/team/haedal/gifticionfunding/service/gifticon/GifticonService.java

@@ -0,0 +1,55 @@
+package team.haedal.gifticionfunding.service.gifticon;
+
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import team.haedal.gifticionfunding.entity.gifticon.Gifticon;
+import team.haedal.gifticionfunding.entity.gifticon.GifticonUpdate;
+import team.haedal.gifticionfunding.repository.gifticon.GifticonJpaRepository;
+
+import java.util.List;
+
+@Slf4j
+@Service
+@RequiredArgsConstructor
+@Transactional(readOnly = true)
+public class GifticonService {
+
+    private final GifticonJpaRepository gifticonJpaRepository;
+
+    //상품등록
+    @Transactional
+    public Long registerGifticon(Gifticon gifticon){
+        gifticonJpaRepository.save(gifticon);
+        return gifticon.getId();
+    }
+
+    //상품 전체 조회
+    public List<Gifticon> findGifticonAll(){
+        return gifticonJpaRepository.findAll();
+    }
+
+    //상품 상세 조회
+    public Gifticon findGifticon(Long gifticonId){
+        return gifticonJpaRepository.findById(gifticonId).orElse(null);
+    }
+
+    //상품 수정
+
+    @Transactional
+    public void updateGifticon(Long gifticonId, GifticonUpdate gifticonUpadate){
+        Gifticon findGifticon = gifticonJpaRepository.findById(gifticonId).orElse(null);
+        if(findGifticon == null){
+            throw new IllegalArgumentException("해당 상품이 존재하지 않습니다.");
+        }
+        findGifticon.updateGifticon(gifticonUpadate);
+    }
+
+    //상품 삭제
+    @Transactional
+    public void deleteGifticon(Long gifticonId){
+        gifticonJpaRepository.deleteById(gifticonId);
+    }
+
+}

src/main/java/team/haedal/gifticionfunding/service/gifticon/UserGifticonService.java

@@ -0,0 +1,117 @@
+package team.haedal.gifticionfunding.service.gifticon;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import team.haedal.gifticionfunding.entity.gifticon.GifticonPurchase;
+import team.haedal.gifticionfunding.entity.gifticon.UserGifticon;
+import team.haedal.gifticionfunding.entity.user.User;
+import team.haedal.gifticionfunding.repository.gifticon.UserGifticonJpaRepository;
+
+import java.util.List;
+
+@Service
+@Transactional(readOnly = true)
+@RequiredArgsConstructor
+public class UserGifticonService {
+    private final UserGifticonJpaRepository userGifticonJpaRepository;
+
+    /**
+     * 유저기프티콘 전체 조회
+     */
+    public List<UserGifticon> findUserGifticonAll()
+    {
+        return userGifticonJpaRepository.findAll();
+    }
+
+    /**
+     * 유저기프티콘 상세 조회
+     */
+    public UserGifticon findUserGifticon(Long userGifticonId)
+    {
+        return userGifticonJpaRepository.findById(userGifticonId).orElse(null);
+    }
+
+    /**
+     * 유저기프티콘 소유자별 조회
+     */
+    public List<UserGifticon> findUserGifticonByOwner(User owner)
+    {
+        return userGifticonJpaRepository.findByOwner(owner);
+    }
+
+    /**
+     * 유저기프티콘 구매자별 조회
+     */
+    public List<UserGifticon> findUserGifticonByBuyer(User buyer)
+    {
+        return userGifticonJpaRepository.findByBuyer(buyer);
+    }
+
+    /**
+     * 유저기프티콘 삭제
+     */
+    @Transactional
+    public void deleteUserGifticon(Long userGifticonId)
+    {
+        userGifticonJpaRepository.deleteById(userGifticonId);
+    }
+
+
+
+
+    /**
+     * 기프티콘 구매
+     */
+    @Transactional
+    public Long purchaseGifticon(GifticonPurchase gifticonPurchase)
+    {
+        UserGifticon userGifticon = UserGifticon.purchaseGifticon(gifticonPurchase);
+        userGifticonJpaRepository.save(userGifticon);
+        return userGifticon.getId();
+    }
+
+    /**
+     * 기프티콘 사용
+     */
+    @Transactional
+    public void useGifticon(Long userGifticonId)
+    {
+        UserGifticon userGifticon = userGifticonJpaRepository.findById(userGifticonId).orElse(null);
+        if(userGifticon == null)
+        {
+            throw new IllegalArgumentException("해당 기프티콘이 존재하지 않습니다.");
+        }
+        userGifticon.useGifticon();
+    }
+
+    /**
+     * 기프티콘 환불
+     */
+    @Transactional
+    public void refundGifticon(Long userGifticonId)
+    {
+        UserGifticon userGifticon = userGifticonJpaRepository.findById(userGifticonId).orElse(null);
+        if(userGifticon == null)
+        {
+            throw new IllegalArgumentException("해당 기프티콘이 존재하지 않습니다.");
+        }
+        userGifticon.refundGifticon();
+    }
+
+    /**
+     * 기프티콘 소유자 변경
+     */
+    @Transactional
+    public void changeOwner(Long userGifticonId, User owner)
+    {
+        UserGifticon userGifticon = userGifticonJpaRepository.findById(userGifticonId).orElse(null);
+        if(userGifticon == null)
+        {
+            throw new IllegalArgumentException("해당 기프티콘이 존재하지 않습니다.");
+        }
+        userGifticon.changeOwner(owner);
+    }
+
+
+}