동물원예제 hidden,모델등록이력 API 커밋

src/main/java/com/kamco/cd/kamcoback/postgres/QuerydslOrderUtil.java

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+package com.kamco.cd.kamcoback.postgres;
+
+import com.querydsl.core.types.Order;
+import com.querydsl.core.types.OrderSpecifier;
+import com.querydsl.core.types.dsl.PathBuilder;
+import org.springframework.data.domain.Pageable;
+
+public class QuerydslOrderUtil {
+  /**
+   * Pageable의 Sort 정보를 QueryDSL OrderSpecifier 배열로 변환
+   * @param pageable Spring Pageable
+   * @param entityClass 엔티티 클래스 (예: User.class)
+   * @param alias Q 엔티티 alias (예: "user")
+   */
+  public static <T> OrderSpecifier<?>[] getOrderSpecifiers(Pageable pageable, Class<T> entityClass, String alias) {
+    PathBuilder<T> entityPath = new PathBuilder<>(entityClass, alias);
+
+    return pageable.getSort()
+      .stream()
+      .map(sort -> {
+        Order order = sort.isAscending() ? Order.ASC : Order.DESC;
+        // PathBuilder.get()는 컬럼명(String)을 동적 Path로 반환
+        return new OrderSpecifier<>(order, entityPath.get(sort.getProperty(), String.class));
+      })
+      .toArray(OrderSpecifier[]::new);
+  }
+}