package com.mindskip.xzs.service;

import com.mindskip.xzs.domain.KnowledgePoint;
import com.mindskip.xzs.domain.other.KnowledgePointPage;
import com.mindskip.xzs.viewmodel.admin.knowledge.KnowledgePageRequestVM;
import com.github.pagehelper.PageInfo;

import java.util.List;

/**
 * @version 2.2.0
 * @description: 知识点
 * Copyright (C), 2020-2021, 武汉思维跳跃科技有限公司
 * @date 2021 /9/7 9:45
 */
public interface KnowledgeService extends BaseService<KnowledgePoint> {

    /**
     * 根据学科、年级获取知识点
     *
     * @param name      the name
     * @param subjectId the subject id
     * @param levelId   the level id
     * @return the knowledge point
     */
    KnowledgePoint getKnowledgePoint(String name, Integer subjectId, Integer levelId);

    /**
     * 根据id获取知识点
     *
     * @param id the id
     * @return the knowledge point by subject id
     */
    List<KnowledgePoint> getKnowledgePointBySubjectId(Integer id);

    /**
     * 根据父节点id获取知识点
     *
     * @param id the id
     * @return the knowledge point by parent id
     */
    List<KnowledgePoint> getKnowledgePointByParentId(Integer id);

    /**
     * 知识点分页
     *
     * @param requestVM the request vm
     * @return the page info
     */
    PageInfo<KnowledgePointPage> page(KnowledgePageRequestVM requestVM);
}