package com.mindskip.xzs.service.impl;

import com.mindskip.xzs.domain.KnowledgePoint;
import com.mindskip.xzs.domain.other.KnowledgePointPage;
import com.mindskip.xzs.repository.KnowledgePointMapper;
import com.mindskip.xzs.service.KnowledgeService;
import com.mindskip.xzs.viewmodel.admin.knowledge.KnowledgePageRequestVM;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
public class KnowledgeServiceImpl extends BaseServiceImpl<KnowledgePoint> implements KnowledgeService {

    private final KnowledgePointMapper knowledgePointMapper;

    @Autowired
    public KnowledgeServiceImpl(KnowledgePointMapper knowledgePointMapper) {
        super(knowledgePointMapper);
        this.knowledgePointMapper = knowledgePointMapper;
    }

    @Override
    public KnowledgePoint getKnowledgePoint(String name, Integer subjectId, Integer levelId) {
        return knowledgePointMapper.getKnowledgePoint(name,subjectId,levelId);
    }

    @Override
    public List<KnowledgePoint> getKnowledgePointBySubjectId(Integer id) {
        return knowledgePointMapper.getKnowledgePointBySubjectId(id);
    }

    @Override
    public List<KnowledgePoint> getKnowledgePointByParentId(Integer id) {
        return knowledgePointMapper.getKnowledgePointByParentId(id);
    }

    @Override
    public PageInfo<KnowledgePointPage> page(KnowledgePageRequestVM requestVM) {
        return PageHelper.startPage(requestVM.getPageIndex(), requestVM.getPageSize()).doSelectPageInfo(() ->
                knowledgePointMapper.page(requestVM)
        );
    }

}