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package com.healthy.common.mybatis.pageable;

import com.healthy.common.model.loader.PagePropertiesLoader;
import lombok.RequiredArgsConstructor;

import java.util.HashMap;
import java.util.Map;

import static com.healthy.common.model.constant.PageConstants.*;

/**
 * Pageable自定义分页参数加载
 *
 * @author xm.z
 */
@RequiredArgsConstructor
public class PageablePropertiesLoader implements PagePropertiesLoader {

	private final PageableProperties pageableProperties;

	@Override
	public Map load() {
		Map map = new HashMap<>();

		String page = pageableProperties.getPageParameterName();
		if (!DEFAULT_PAGE_PARAMETER.equals(page)) {
			map.put(DEFAULT_PAGE_PARAMETER, page);
		}

		String size = pageableProperties.getSizeParameterName();
		if (!DEFAULT_SIZE_PARAMETER.equals(size)) {
			map.put(DEFAULT_SIZE_PARAMETER, size);
		}

		String sort = pageableProperties.getSortParameterName();
		if (!DEFAULT_SORT_PARAMETER.equals(sort)) {
			map.put(DEFAULT_SORT_PARAMETER, sort);
		}

		return map;
	}

}