敏感词管理

敏感词——增删改查

package com.heima.wemedia.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.model.common.dtos.PageResponseResult;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.wemedia.dtos.SensitiveDto;
import com.heima.model.wemedia.pojos.WmSensitive;
import com.heima.wemedia.mapper.WmSensitiveMapper;
import com.heima.wemedia.service.WmSensitiveService;
import org.springframework.stereotype.Service;

import java.util.Date;

@Service
public class WmSensitiveServiceImpl extends ServiceImpl<WmSensitiveMapper, WmSensitive> implements WmSensitiveService {
    /**
     * 分页查询敏感词
     *
     * @param dto
     * @return
     */
    @Override
    public ResponseResult list(SensitiveDto dto) {
        //检查参数
        if(dto == null){
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID);
        }
        dto.checkParam();
        //分页构造器
        Page<WmSensitive> page = new Page<>(dto.getPage(), dto.getSize());
        //条件构造器
        LambdaQueryWrapper<WmSensitive> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.like(dto.getName()!=null, WmSensitive::getSensitives, dto.getName());
        queryWrapper.orderByDesc(WmSensitive::getCreatedTime);
        //分页查询
        page = page(page, queryWrapper);

        ResponseResult responseResult = new PageResponseResult(dto.getPage(), dto.getSize(), (int) page.getTotal());
        responseResult.setData(page.getRecords());
        return responseResult;
    }

    /**
     * 添加敏感词
     *
     * @param wmSensitive
     * @return
     */
    @Override
    public ResponseResult insert(WmSensitive wmSensitive) {
        if(wmSensitive == null ){
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID);
        }
        //敏感词名不能重复
        WmSensitive sensitive = getOne(Wrappers.<WmSensitive>lambdaQuery().eq(WmSensitive::getSensitives, wmSensitive.getSensitives()));
        if(sensitive != null){
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_EXIST, "该敏感词已存在");
        }

        //保存
        wmSensitive.setCreatedTime(new Date());
        save(wmSensitive);
        return ResponseResult.okResult(AppHttpCodeEnum.SUCCESS);
    }

    /**
     * 修改敏感词
     *
     * @param wmSensitive
     * @return
     */
    @Override
    public ResponseResult update(WmSensitive wmSensitive) {
        //检查参数
        if(wmSensitive == null || wmSensitive.getId() == null){
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID);
        }
        //修改
        updateById(wmSensitive);
        return ResponseResult.okResult(AppHttpCodeEnum.SUCCESS);
    }

    /**
     * 删除敏感词
     *
     * @param id
     * @return
     */
    @Override
    public ResponseResult delete(Integer id) {
        //检查参数
        if(id == null){
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID);
        }
        WmSensitive sensitive = getById(id);
        if(sensitive == null){
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST);
        }
        //删除
        removeById(id);
        return ResponseResult.okResult(AppHttpCodeEnum.SUCCESS);
    }
}