refactor: 공모글 목록 조회 필터링 수정 및 추가

backend/src/main/java/com/zzang/chongdae/offering/domain/OfferingFilter.java

@@ -14,7 +14,7 @@
 public enum OfferingFilter {
 
     JOINABLE("참여가능만", VISIBLE), // 처음: 참여 가능한 것 중 id가 가장 높은 값 10개 / 이후: 참여 가능한 것 중 마지막 id보다 낮은 것 x개 찾기
-    IMMINENT("마감임박순", VISIBLE), // 처음: 현재 시간보다 큰 것 중 가장 작은 값 10개 / 이후: lastMeetingDate 보다 큰 것 x개 찾기
+    IMMINENT("마감임박만", VISIBLE), // 처음: 현재 시간보다 큰 것 중 가장 작은 값 10개 / 이후: lastMeetingDate 보다 큰 것 x개 찾기
     HIGH_DISCOUNT("높은할인율순", VISIBLE), // 처음: 할인율(n빵가격/낱개가격) 가장 높은 값 10개 / 이후: 마지막 할인율(n빵가격/낱개가격)보다 낮은 것 x개 찾기
     RECENT("최신순", INVISIBLE); // 처음: id가 가장 높은 값 10개 / 이후: 마지막 id보다 낮은 것 x개 찾기
 

backend/src/main/java/com/zzang/chongdae/offering/domain/offeringfetchstrategy/HighDiscountOfferingStrategy.java

@@ -22,8 +22,8 @@ protected List<OfferingEntity> fetchOfferingsWithoutLastId(String searchKeyword,
     @Override
     protected List<OfferingEntity> fetchOfferingsWithLastOffering(
             OfferingEntity lastOffering, String searchKeyword, Pageable pageable) {
-        double discountRate = lastOffering.toOfferingPrice().calculateDiscountRate();
-        return offeringRepository.findHighDiscountOfferingsWithKeyword(discountRate, lastOffering.getId(),
-                searchKeyword, pageable);
+        double lastDiscountRate = lastOffering.toOfferingPrice().calculateDiscountRate();
+        return offeringRepository.findHighDiscountOfferingsWithKeyword(
+                lastDiscountRate, lastOffering.getId(), searchKeyword, pageable);
     }
 }

backend/src/main/java/com/zzang/chongdae/offering/domain/offeringfetchstrategy/ImminentOfferingStrategy.java

@@ -14,22 +14,18 @@ public ImminentOfferingStrategy(OfferingRepository offeringRepository) {
 
     @Override
     protected List<OfferingEntity> fetchOfferingsWithoutLastId(String searchKeyword, Pageable pageable) {
-        LocalDateTime now = LocalDateTime.now();
-        LocalDateTime threshold = LocalDateTime.now().plusHours(6);
         LocalDateTime outOfRangeMeetingDate = LocalDateTime.now();
         Long outOfRangeId = findOutOfRangeId();
         return offeringRepository.findImminentOfferingsWithKeyword(
-                now, threshold, outOfRangeMeetingDate, outOfRangeId, searchKeyword, pageable);
+                outOfRangeMeetingDate, outOfRangeId, searchKeyword, pageable);
     }
 
     @Override
     protected List<OfferingEntity> fetchOfferingsWithLastOffering(
             OfferingEntity lastOffering, String searchKeyword, Pageable pageable) {
-        LocalDateTime now = LocalDateTime.now();
-        LocalDateTime threshold = LocalDateTime.now().plusHours(6);
         LocalDateTime lastMeetingDate = lastOffering.getMeetingDate();
         Long lastId = lastOffering.getId();
         return offeringRepository.findImminentOfferingsWithKeyword(
-                now, threshold, lastMeetingDate, lastId, searchKeyword, pageable);
+                lastMeetingDate, lastId, searchKeyword, pageable);
     }
 }

backend/src/main/java/com/zzang/chongdae/offering/repository/OfferingRepository.java

@@ -11,10 +11,10 @@
 public interface OfferingRepository extends JpaRepository<OfferingEntity, Long> {
 
     @Query("""
-                SELECT o
-                FROM OfferingEntity as o JOIN OfferingMemberEntity as om
-                    ON o.id = om.offering.id
-                WHERE om.member = :member
+            SELECT o
+            FROM OfferingEntity as o JOIN OfferingMemberEntity as om
+                ON o.id = om.offering.id
+            WHERE om.member = :member
             """)
     List<OfferingEntity> findCommentRoomsByMember(MemberEntity member);
 
@@ -30,30 +30,35 @@ public interface OfferingRepository extends JpaRepository<OfferingEntity, Long>
     @Query("""
             SELECT o
             FROM OfferingEntity o
-            WHERE ((o.meetingDate > :lastMeetingDate AND o.meetingDate < :threshold)
-                OR (o.meetingDate = :lastMeetingDate AND o.id < :lastId AND o.meetingDate < :threshold)
-                OR (o.totalCount <= 3 AND (o.totalCount - o.currentCount) < 2 AND (o.totalCount - o.currentCount) > 0)
-                OR (o.totalCount > 3 AND (o.totalCount - o.currentCount) < 3 AND (o.totalCount - o.currentCount) > 0))
-            AND (:keyword IS NULL OR o.title LIKE %:keyword% OR o.meetingAddress LIKE %:keyword%)
-            AND (o.isManualConfirmed IS FALSE)
-            AND (o.meetingDate >= :now)
-            AND ((o.meetingDate > :lastMeetingDate) OR (o.meetingDate = :lastMeetingDate AND o.id < :lastId))
+            WHERE (o.offeringStatus = 'IMMINENT')
+                AND (o.meetingDate > :lastMeetingDate OR (o.meetingDate = :lastMeetingDate AND o.id < :lastId))
+                AND (:keyword IS NULL OR o.title LIKE %:keyword% OR o.meetingAddress LIKE %:keyword%)
             ORDER BY o.meetingDate ASC, o.id DESC
             """)
     List<OfferingEntity> findImminentOfferingsWithKeyword(
-            LocalDateTime now, LocalDateTime threshold, LocalDateTime lastMeetingDate, Long lastId, String keyword,
-            Pageable pageable);
+            LocalDateTime lastMeetingDate, Long lastId, String keyword, Pageable pageable);
 
     @Query("""
             SELECT o
             FROM OfferingEntity o
-            WHERE ((o.originPrice - (o.totalPrice * 1.0 / o.totalCount)) / o.originPrice < :discountRate
-                    OR ((o.originPrice - (o.totalPrice * 1.0 / o.totalCount)) / o.originPrice = :discountRate AND o.id < :lastId))
+            WHERE (o.offeringStatus != 'CONFIRMED')
+               AND (o.discountRate < :lastDiscountRate OR (o.discountRate = :lastDiscountRate AND o.id < :lastId))
                AND (:keyword IS NULL OR o.title LIKE %:keyword% OR o.meetingAddress LIKE %:keyword%)
-            ORDER BY (o.originPrice - (o.totalPrice * 1.0 / o.totalCount)) / o.originPrice DESC, o.id DESC
+            ORDER BY o.discountRate DESC, o.id DESC
             """)
     List<OfferingEntity> findHighDiscountOfferingsWithKeyword(
-            double discountRate, Long lastId, String keyword, Pageable pageable);
+            double lastDiscountRate, Long lastId, String keyword, Pageable pageable);
+
+    @Query("""
+            SELECT o
+            FROM OfferingEntity o
+            WHERE (o.offeringStatus = 'AVAILABLE' OR o.offeringStatus = 'IMMINENT')
+               AND (o.id < :lastId)
+               AND (:keyword IS NULL OR o.title LIKE %:keyword% OR o.meetingAddress LIKE %:keyword%)
+            ORDER BY o.id DESC
+            """)
+    List<OfferingEntity> findJoinableOfferingsWithKeyword(Long lastId, String keyword, Pageable pageable);
+
 
     @Query("SELECT MAX(o.id) FROM OfferingEntity o")
     Long findMaxId();

backend/src/main/java/com/zzang/chongdae/offering/service/OfferingFetcher.java

@@ -4,6 +4,7 @@
 import com.zzang.chongdae.offering.domain.OfferingFilter;
 import com.zzang.chongdae.offering.domain.offeringfetchstrategy.HighDiscountOfferingStrategy;
 import com.zzang.chongdae.offering.domain.offeringfetchstrategy.ImminentOfferingStrategy;
+import com.zzang.chongdae.offering.domain.offeringfetchstrategy.JoinableOfferingStrategy;
 import com.zzang.chongdae.offering.domain.offeringfetchstrategy.OfferingFetchStrategy;
 import com.zzang.chongdae.offering.domain.offeringfetchstrategy.RecentOfferingStrategy;
 import com.zzang.chongdae.offering.exception.OfferingErrorCode;
@@ -27,7 +28,8 @@ public OfferingFetcher(OfferingRepository offeringRepository) {
         this.strategyMap = Map.of(
                 OfferingFilter.RECENT, new RecentOfferingStrategy(offeringRepository),
                 OfferingFilter.IMMINENT, new ImminentOfferingStrategy(offeringRepository),
-                OfferingFilter.HIGH_DISCOUNT, new HighDiscountOfferingStrategy(offeringRepository)
+                OfferingFilter.HIGH_DISCOUNT, new HighDiscountOfferingStrategy(offeringRepository),
+                OfferingFilter.JOINABLE, new JoinableOfferingStrategy(offeringRepository)
         );
     }