package com.ruoyi.system.service.impl;

import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ruoyi.common.exception.ServiceException;
import com.ruoyi.system.domain.Question;
import com.ruoyi.system.mapper.QuestionMapper;
import com.ruoyi.system.pojo.dto.AddQuestionDTO;
import com.ruoyi.system.pojo.dto.EditQuestionDTO;
import com.ruoyi.system.pojo.vo.BannerPageVO;
import com.ruoyi.system.pojo.vo.QuestionPageVO;
import com.ruoyi.system.service.QuestionService;
import org.springframework.beans.BeanUtils;
import org.springframework.stereotype.Service;


@Service
public class QuestionServiceImpl extends ServiceImpl<QuestionMapper, Question> implements QuestionService {


    @Override
    public IPage<QuestionPageVO> getQuestionPage(Integer pageNum, Integer pageSize, String title) {
        IPage<BannerPageVO> page=new Page<>(pageNum, pageSize);
        return this.baseMapper.getQuestionPage(page,title);
    }

    @Override
    public void add(AddQuestionDTO dto) {
        Question question = new Question();
        BeanUtils.copyProperties(dto, question);
        this.baseMapper.insert(question);
    }

    @Override
    public void edit(EditQuestionDTO dto) {
        Question question = this.getById(dto.getId());
        if (null == question   || question.getDelFlag() != 0 ) {
            throw new ServiceException("该问题不存在");
        }
        BeanUtils.copyProperties(dto, question);
        this.baseMapper.updateById(question);
    }

    @Override
    public void delete(Integer id) {
        Question question = this.getById(id);
        if (null == question   || question.getDelFlag() != 0 ) {
            throw new ServiceException("该问题不存在");
        }
        question.setDelFlag(1);
        this.baseMapper.updateById(question);
    }
}