teaching-java/src/main/java/com/teaching/backend/controller/favour/SeCourseFavourController.java

package com.teaching.backend.controller.favour;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.teaching.backend.common.BaseResponse;
import com.teaching.backend.common.CommonResult;
import com.teaching.backend.common.ErrorCode;
import com.teaching.backend.common.ResultUtils;
import com.teaching.backend.exception.BusinessException;
import com.teaching.backend.model.dto.favour.courseFavour.CourseFavourAddRequest;
import com.teaching.backend.model.dto.favour.courseFavour.CourseFavourAllRequest;
import com.teaching.backend.model.dto.favour.courseFavour.CourseFavourQueryRequest;
import com.teaching.backend.model.entity.courses.Courses;
import com.teaching.backend.model.vo.courses.CoursesVO;
import com.teaching.backend.model.vo.favour.CourseFavourDetailVO;
import com.teaching.backend.service.favour.SeCourseFavourService;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.util.List;

/**
 * @Author:youhang
 * @Date:2024-05-30-20:22
 * @Description:
 */
@RestController
@RequestMapping("/api/course_favour")
@Slf4j
public class SeCourseFavourController {

    @Resource
    private SeCourseFavourService seCourseFavourService;



    /**
     * 收藏/取消收藏
     *
     * @param courseFavourAddRequest
     * @return result 执行情况
     */
    @PostMapping("/add")
    // 加上 HttpServletRequest request 在一个fitter里面进行鉴权操作
    public BaseResponse<Boolean> doFavour(@RequestBody CourseFavourAddRequest courseFavourAddRequest) {
        System.out.println(courseFavourAddRequest);
        //判断字段是否为空
        if (StringUtils.isAnyBlank(courseFavourAddRequest.getCourseId(), courseFavourAddRequest.getUserId())) {
            throw new BusinessException(ErrorCode.PARAMS_ERROR);
        }

        return seCourseFavourService.doCourseFavour(courseFavourAddRequest.getCourseId(), courseFavourAddRequest.getUserId());

    }


    /**
     * 课程点赞总数
     *
     * @param courseFavourAddRequest
     * @return result 课程点赞总数
     */
    @PostMapping("/count")
    // HttpServletRequest request 在一个fitter里面进行鉴权操作
    public BaseResponse<Long> favourCount(@RequestBody CourseFavourAddRequest courseFavourAddRequest) {
        if (StringUtils.isAnyBlank(courseFavourAddRequest.getCourseId())) {
            throw new BusinessException(ErrorCode.PARAMS_ERROR, "请求参数不能为空");
        }
       return seCourseFavourService.favourCount(courseFavourAddRequest.getCourseId());
    }


    /**
     * 分页获取课程列表
     *
     * @return
     */
    @PostMapping("/list/page")
    public BaseResponse<Page<CourseFavourDetailVO>> listPostByPage(@RequestBody CourseFavourQueryRequest courseFavourQueryRequest) {
        System.out.println(courseFavourQueryRequest);
        long current = courseFavourQueryRequest.getCurrent();
        long size = courseFavourQueryRequest.getPageSize();
        String userId = courseFavourQueryRequest.getUserId();
        List<String> ids = seCourseFavourService.courseList(userId);
        QueryWrapper<Courses> courseQueryWrapper = new QueryWrapper<>();
        courseQueryWrapper.in("id", ids);
        Page<CourseFavourDetailVO> courseFavourDetailVOPage = seCourseFavourService.listCourseFavourByPage(new Page<>(current, size), courseQueryWrapper);

        return ResultUtils.success(courseFavourDetailVOPage);
    }

    /**
     * 获取最新收藏的课程
     *
     * @return
     */
    @ApiOperation("查询最新收藏")
    @PostMapping("/newCollect")
    public CommonResult<CoursesVO> newCollect(@RequestParam String userId) {
        CoursesVO newCoursesVO = seCourseFavourService.queryNewCollect(userId);
        if (newCoursesVO == null){
            CommonResult.failed();
        }
        return CommonResult.success(newCoursesVO);
    }

}