/**
 * @author BNTang
 */
public class ElasticQueryUtils {
    public static NativeSearchQueryBuilder buildSearchQuery(CommonPageVO queryVO, BoolQueryBuilder queryBuilder, String index, String type) {

        NativeSearchQueryBuilder searchQueryBuilder = new NativeSearchQueryBuilder()
                .withIndices(index)
                .withTypes(type);
        if (Objects.nonNull(queryVO)) {
            int currentPage = Optional.ofNullable(queryVO.getCurrentPage()).orElse(1);
            int pageSize = Optional.ofNullable(queryVO.getPageSize()).orElse(10);
            // 获取当前页码数
            Pageable pageable = PageRequest.of(currentPage - 1, pageSize);
            searchQueryBuilder.withPageable(pageable);
        }
        if (Objects.nonNull(queryBuilder)) {
            searchQueryBuilder.withQuery(queryBuilder);
        }
        Collection<FieldSort> fieldSorts = Objects.nonNull(queryVO) && queryVO instanceof CommonElasticQueryVO ? ((CommonElasticQueryVO) queryVO).getFieldSorts() : Collections.emptyList();
       
        if (CollectionUtils.isEmpty(fieldSorts)) {
            searchQueryBuilder.withSort(SortBuilders.fieldSort("_id").order(SortOrder.DESC));
        } else {
            fieldSorts.forEach(e -> {
                searchQueryBuilder.withSort(SortBuilders.fieldSort(e.getField()).order(SortOrder.valueOf(e.getOrder())));
            });
        }
        
        return searchQueryBuilder;
    }
}