NABI-255--fix card list read with cursor paging

src/main/java/org/prgrms/nabimarketbe/domain/card/repository/CardRepositoryImpl.java

@@ -1,6 +1,8 @@
 package org.prgrms.nabimarketbe.domain.card.repository;
 
 import com.querydsl.core.types.ConstantImpl;
+import com.querydsl.core.types.Order;
+import com.querydsl.core.types.OrderSpecifier;
 import com.querydsl.core.types.Projections;
 import com.querydsl.core.types.dsl.BooleanExpression;
 import com.querydsl.core.types.dsl.Expressions;
@@ -17,7 +19,10 @@
 import org.prgrms.nabimarketbe.domain.item.entity.PriceRange;
 import org.prgrms.nabimarketbe.domain.suggestion.dto.response.projection.SuggestionInfo;
 import org.prgrms.nabimarketbe.domain.user.entity.User;
+import org.prgrms.nabimarketbe.global.util.QueryDslUtil;
+import org.springframework.data.domain.Sort;
 
+import java.util.ArrayList;
 import java.util.List;
 
 import static org.prgrms.nabimarketbe.domain.card.entity.QCard.card;
@@ -59,7 +64,10 @@ public CardPagingResponseDTO getCardsByCondition(
                 priceRangeEquals(priceRange),
                 titleEquals(cardTitle)
             )
-            .orderBy(card.createdDate.desc())   // 디폴트는 생성일자 최신순 정렬
+            .orderBy(getOrderSpecifier(Sort.by(
+                    Sort.Order.desc("createdDate"),
+                    Sort.Order.desc("cardId")
+            )))
             .limit(size)
             .fetch();
 
@@ -200,4 +208,15 @@ private String generateCursor(CardListReadResponseDTO cardListReadResponseDTO) {
             .replace(":", "")
             + String.format("%08d", cardListReadResponseDTO.getCardId());
     }
+
+    private OrderSpecifier[] getOrderSpecifier(Sort sort) {
+        List<OrderSpecifier> orders = new ArrayList<>();
+
+        for (Sort.Order order : sort) { // Sort에 여러 정렬 기준을 담을 수 있음
+            Order direction = order.getDirection().isAscending() ? Order.ASC : Order.DESC;
+            orders.add(QueryDslUtil.getSortedColumn(direction, card, order.getProperty()));
+        }
+
+        return orders.toArray(OrderSpecifier[]::new);
+    }
 }

src/main/java/org/prgrms/nabimarketbe/global/util/QueryDslUtil.java

@@ -0,0 +1,27 @@
+package org.prgrms.nabimarketbe.global.util;
+
+import com.querydsl.core.types.Order;
+import com.querydsl.core.types.OrderSpecifier;
+import com.querydsl.core.types.Path;
+import com.querydsl.core.types.dsl.Expressions;
+
+public class QueryDslUtil {
+    /**
+     * Order, Path, fieldName을 전달하면 OrderSpecifier 객체를 리턴하는 Util 클래스.
+     * Sort시 마다 사용할 수 있도록 한다.
+     *
+     * @param order
+     * @param parent compileQuerydsl 빌드를 통해서 생성된 Q타입 클래스의 객체(Sort의 대상이 되는 Q타입 클래스 객체를 전달한다.)
+     * @param fieldName
+     * @return OrderSpecifier 객체
+     */
+    public static OrderSpecifier<?> getSortedColumn(
+            Order order,
+            Path<?> parent,
+            String fieldName
+    ) {
+        Path<Object> fieldPath = Expressions.path(Object.class, parent, fieldName);
+
+        return new OrderSpecifier(order, fieldPath);
+    }
+}