yh
parent
806e7b365f
commit
870338437e
16 changed files with 491 additions and 368 deletions
@ -1,114 +1,96 @@ |
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//package com.teaching.backend.controller.favour;
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//
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//import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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//import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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//import com.teaching.backend.common.BaseResponse;
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//import com.teaching.backend.common.ErrorCode;
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//import com.teaching.backend.common.ResultUtils;
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//import com.teaching.backend.exception.BusinessException;
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//import com.teaching.backend.model.dto.favour.courseFavour.CourseFavourAddRequest;
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//import com.teaching.backend.model.dto.favour.courseFavour.CourseFavourAllRequest;
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//import com.teaching.backend.model.dto.favour.courseFavour.CourseFavourQueryRequest;
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//import com.teaching.backend.model.entity.courses.Courses;
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//import com.teaching.backend.model.vo.favour.CourseFavourDetailVO;
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//import com.teaching.backend.service.favour.SeCourseFavourService;
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//import lombok.extern.slf4j.Slf4j;
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//import org.apache.commons.lang3.StringUtils;
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//import org.springframework.web.bind.annotation.PostMapping;
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//import org.springframework.web.bind.annotation.RequestBody;
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//import org.springframework.web.bind.annotation.RequestMapping;
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//import org.springframework.web.bind.annotation.RestController;
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//
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//import javax.annotation.Resource;
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//import java.util.List;
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//
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///**
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// * @Author:youhang
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// * @Date:2024-05-30-20:22
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// * @Description:
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// */
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//@RestController
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//@RequestMapping("/api/course_favour")
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//@Slf4j
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//public class SeCourseFavourController {
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//
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// @Resource
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// private SeCourseFavourService seCourseFavourService;
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//
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//
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//
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// /**
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// * 收藏/取消收藏
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// *
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// * @param courseFavourAddRequest
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// * @return result 执行情况
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// */
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// @PostMapping("/add")
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// // 加上 HttpServletRequest request 在一个fitter里面进行鉴权操作
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// public BaseResponse<Boolean> doFavour(@RequestBody CourseFavourAddRequest courseFavourAddRequest) {
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// System.out.println(courseFavourAddRequest);
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// //判断字段是否为空
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// if (StringUtils.isAnyBlank(courseFavourAddRequest.getCourseId(), courseFavourAddRequest.getUserId())) {
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// throw new BusinessException(ErrorCode.PARAMS_ERROR);
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// }
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//
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// return seCourseFavourService.doCourseFavour(courseFavourAddRequest.getCourseId(), courseFavourAddRequest.getUserId());
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//
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// }
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//
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//
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// /**
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// * 课程点赞总数
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// *
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// * @param courseFavourAddRequest
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// * @return result 课程点赞总数
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// */
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// @PostMapping("/count")
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// // HttpServletRequest request 在一个fitter里面进行鉴权操作
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// public BaseResponse<Long> favourCount(@RequestBody CourseFavourAddRequest courseFavourAddRequest) {
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// if (StringUtils.isAnyBlank(courseFavourAddRequest.getCourseId())) {
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// throw new BusinessException(ErrorCode.PARAMS_ERROR, "请求参数不能为空");
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// }
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// return seCourseFavourService.favourCount(courseFavourAddRequest.getCourseId());
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// }
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//
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// /**
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// * 课程下资源和知识点点赞总数
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// *
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// * @param courseFavourAllRequest
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// * @return result 课程下资源和知识点点赞总数
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// */
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// @PostMapping("/countAll")
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// // todo 后期加上 HttpServletRequest request 在一个fitter里面进行鉴权操作
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// public BaseResponse<Long> courseCount(@RequestBody CourseFavourAllRequest courseFavourAllRequest) {
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// if (StringUtils.isAnyBlank(courseFavourAllRequest.getCourseId())) {
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// throw new BusinessException(ErrorCode.PARAMS_ERROR, "请求参数不能为空");
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// }
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// // todo 从数据库中校验是否存在courseid
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//
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// return seCourseFavourService.courseCount(courseFavourAllRequest.getCourseId());
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// }
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//
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//
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//
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// /**
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// * 分页获取课程列表
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// *
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// * @return
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// */
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// @PostMapping("/list/page")
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// public BaseResponse<Page<CourseFavourDetailVO>> listPostByPage(@RequestBody CourseFavourQueryRequest courseFavourQueryRequest) {
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// System.out.println(courseFavourQueryRequest);
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// long current = courseFavourQueryRequest.getCurrent();
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// long size = courseFavourQueryRequest.getPageSize();
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// String userId = courseFavourQueryRequest.getUserId();
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// List<String> ids = seCourseFavourService.courseList(userId);
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// QueryWrapper<Courses> courseQueryWrapper = new QueryWrapper<>();
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// courseQueryWrapper.in("id", ids);
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// Page<CourseFavourDetailVO> courseFavourDetailVOPage = seCourseFavourService.listCourseFavourByPage(new Page<>(current, size), courseQueryWrapper);
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//
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// return ResultUtils.success(courseFavourDetailVOPage);
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// }
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//
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//
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//}
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package com.teaching.backend.controller.favour; |
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper; |
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page; |
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import com.teaching.backend.common.BaseResponse; |
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import com.teaching.backend.common.ErrorCode; |
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import com.teaching.backend.common.ResultUtils; |
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import com.teaching.backend.exception.BusinessException; |
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import com.teaching.backend.model.dto.favour.courseFavour.CourseFavourAddRequest; |
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import com.teaching.backend.model.dto.favour.courseFavour.CourseFavourAllRequest; |
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import com.teaching.backend.model.dto.favour.courseFavour.CourseFavourQueryRequest; |
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import com.teaching.backend.model.entity.courses.Courses; |
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import com.teaching.backend.model.vo.favour.CourseFavourDetailVO; |
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import com.teaching.backend.service.favour.SeCourseFavourService; |
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import lombok.extern.slf4j.Slf4j; |
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import org.apache.commons.lang3.StringUtils; |
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import org.springframework.web.bind.annotation.PostMapping; |
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import org.springframework.web.bind.annotation.RequestBody; |
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import org.springframework.web.bind.annotation.RequestMapping; |
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import org.springframework.web.bind.annotation.RestController; |
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import javax.annotation.Resource; |
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import java.util.List; |
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/** |
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* @Author:youhang |
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* @Date:2024-05-30-20:22 |
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* @Description: |
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*/ |
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@RestController |
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@RequestMapping("/api/course_favour") |
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@Slf4j |
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public class SeCourseFavourController { |
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@Resource |
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private SeCourseFavourService seCourseFavourService; |
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/** |
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* 收藏/取消收藏 |
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* |
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* @param courseFavourAddRequest |
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* @return result 执行情况 |
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*/ |
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@PostMapping("/add") |
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// 加上 HttpServletRequest request 在一个fitter里面进行鉴权操作
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public BaseResponse<Boolean> doFavour(@RequestBody CourseFavourAddRequest courseFavourAddRequest) { |
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System.out.println(courseFavourAddRequest); |
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//判断字段是否为空
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if (StringUtils.isAnyBlank(courseFavourAddRequest.getCourseId(), courseFavourAddRequest.getUserId())) { |
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throw new BusinessException(ErrorCode.PARAMS_ERROR); |
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} |
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return seCourseFavourService.doCourseFavour(courseFavourAddRequest.getCourseId(), courseFavourAddRequest.getUserId()); |
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} |
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/** |
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* 课程点赞总数 |
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* |
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* @param courseFavourAddRequest |
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* @return result 课程点赞总数 |
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*/ |
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@PostMapping("/count") |
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// HttpServletRequest request 在一个fitter里面进行鉴权操作
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public BaseResponse<Long> favourCount(@RequestBody CourseFavourAddRequest courseFavourAddRequest) { |
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if (StringUtils.isAnyBlank(courseFavourAddRequest.getCourseId())) { |
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throw new BusinessException(ErrorCode.PARAMS_ERROR, "请求参数不能为空"); |
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} |
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return seCourseFavourService.favourCount(courseFavourAddRequest.getCourseId()); |
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} |
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/** |
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* 分页获取课程列表 |
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* |
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* @return |
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*/ |
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@PostMapping("/list/page") |
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public BaseResponse<Page<CourseFavourDetailVO>> listPostByPage(@RequestBody CourseFavourQueryRequest courseFavourQueryRequest) { |
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System.out.println(courseFavourQueryRequest); |
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long current = courseFavourQueryRequest.getCurrent(); |
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long size = courseFavourQueryRequest.getPageSize(); |
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String userId = courseFavourQueryRequest.getUserId(); |
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List<String> ids = seCourseFavourService.courseList(userId); |
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QueryWrapper<Courses> courseQueryWrapper = new QueryWrapper<>(); |
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courseQueryWrapper.in("id", ids); |
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Page<CourseFavourDetailVO> courseFavourDetailVOPage = seCourseFavourService.listCourseFavourByPage(new Page<>(current, size), courseQueryWrapper); |
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return ResultUtils.success(courseFavourDetailVOPage); |
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} |
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} |
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@ -1,165 +1,149 @@ |
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//package com.teaching.backend.service.impl.favour;
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//
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//import cn.hutool.core.collection.CollUtil;
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//import com.baomidou.mybatisplus.core.conditions.Wrapper;
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//import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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//import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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//import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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//import com.teaching.backend.common.BaseResponse;
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//import com.teaching.backend.common.ErrorCode;
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//import com.teaching.backend.common.ResultUtils;
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//import com.teaching.backend.exception.BusinessException;
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//import com.teaching.backend.mapper.courses.CoursesMapper;
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//import com.teaching.backend.mapper.favour.SeCourseFavourMapper;
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//import com.teaching.backend.model.entity.courses.Courses;
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//import com.teaching.backend.model.entity.favour.SeCourseFavour;
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//import com.teaching.backend.model.entity.favour.SeKnowFavour;
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//import com.teaching.backend.model.entity.favour.SeResourceFavour;
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//import com.teaching.backend.model.vo.favour.CourseFavourDetailVO;
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//import com.teaching.backend.service.courses.ICoursesService;
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//import com.teaching.backend.service.favour.SeCourseFavourService;
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//import com.teaching.backend.service.favour.SeKnowFavourService;
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//import com.teaching.backend.service.favour.SeResourceFavourService;
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//import org.springframework.beans.BeanUtils;
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//import org.springframework.beans.factory.annotation.Autowired;
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//import org.springframework.stereotype.Service;
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//
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//import javax.annotation.Resource;
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//import java.util.ArrayList;
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//import java.util.List;
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//import java.util.concurrent.locks.Lock;
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//import java.util.concurrent.locks.ReentrantLock;
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//import java.util.stream.Collectors;
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//
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//
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///**
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// * @Author:youhang
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// * @Date:2024-05-30-20:23
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// * @Description:
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// */
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//@Service
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//public class SeCourseFavourServiceImpl extends ServiceImpl<SeCourseFavourMapper, SeCourseFavour> implements SeCourseFavourService {
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//
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//
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// @Resource
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// private SeResourceFavourService seResourceFavourService;
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//
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// @Resource
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// SeKnowFavourService seKnowFavourService;
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//
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// @Autowired
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// CoursesMapper coursesMapper;
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//
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// @Autowired
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// ICoursesService coursesService;
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//
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//
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//
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// @Override
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// public BaseResponse<Boolean> doCourseFavour(String courseId, String userId) {
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// System.out.println("进入点赞" + courseId + userId);
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// //从数据库中校验是否存在courseid
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// Courses courses = coursesMapper.selectById(courseId);
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// boolean result = false;
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// if(courses == null){
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// return ResultUtils.error(ErrorCode.NOT_FOUND_ERROR,"课程不存在");
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// }
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// //查询数据库记录，该用户是否点赞
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// SeCourseFavour seCourseFavour = new SeCourseFavour();
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// seCourseFavour.setCourseId(courseId);
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// seCourseFavour.setUserId(userId);
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// QueryWrapper<SeCourseFavour> favourQueryWrapper = new QueryWrapper<>(seCourseFavour);
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// SeCourseFavour oldSeCourseFavour = this.getOne(favourQueryWrapper);
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// //已点赞
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// if (oldSeCourseFavour != null) {
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// // 取消点赞 删除记录
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// result = this.remove(favourQueryWrapper);
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// if (result) {
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// System.out.println("取消点赞成功");
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// return ResultUtils.success(result);
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// } else {
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// throw new BusinessException(ErrorCode.SYSTEM_ERROR);
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// }
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// } else {
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// // 每个用户串行点赞
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// // 锁必须要包裹住事务方法
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// Lock lock = new ReentrantLock();
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// lock.lock();
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// try {
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// result = this.save(seCourseFavour);
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// } catch (Exception e) {
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// throw new BusinessException(ErrorCode.OPERATION_ERROR);
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// } finally {
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// lock.unlock();
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// System.out.println("点赞成功");
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// return ResultUtils.success(result);
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// }
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// }
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// }
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//
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// @Override
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// public BaseResponse<Long>favourCount(String courseId) {
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// //从数据库中校验是否存在courseid
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// QueryWrapper<SeCourseFavour> favourQueryWrapper = new QueryWrapper<>();
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// favourQueryWrapper.eq("course_id", courseId);
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// long result = this.count(favourQueryWrapper);
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// if (result == 0) {
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// throw new BusinessException(ErrorCode.SYSTEM_ERROR, "查询参数不存在");
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// } else {
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// return ResultUtils.success(result);
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// }
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// }
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//
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// @Override
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// public BaseResponse<Long> courseCount(String courseId) {
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//
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// QueryWrapper<SeResourceFavour> ResourceQueryWrapper = new QueryWrapper<>();
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// ResourceQueryWrapper.eq("course_id", courseId);
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// long result1 = seResourceFavourService.count(ResourceQueryWrapper);
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// QueryWrapper<SeKnowFavour> KnowQueryWrapper = new QueryWrapper<>();
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// KnowQueryWrapper.eq("course_id", courseId);
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// long result2 = seKnowFavourService.count(KnowQueryWrapper);
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// long result = result1 + result2;
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// if (result == 0) {
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// throw new BusinessException(ErrorCode.SYSTEM_ERROR, "查询参数不存在");
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// } else {
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// return ResultUtils.success(result);
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// }
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// }
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//
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// /**
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// * 某个用户课程列表
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// *
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// * @param userId
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// * @return
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// */
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// @Override
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// public List<String> courseList(String userId) {
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// QueryWrapper<SeCourseFavour> courseQueryWrapper = new QueryWrapper<>();
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// courseQueryWrapper.eq("user_id", userId);
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// List<String> list = this.list(courseQueryWrapper).stream().map(SeCourseFavour::getCourseId).collect(Collectors.toList());
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// return list;
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// }
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//
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// @Override
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// public Page<CourseFavourDetailVO> listCourseFavourByPage(Page<Courses> page, Wrapper<Courses> queryWrapper) {
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// Page<Courses> coursePage = coursesService.page(page, queryWrapper);
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// Page<CourseFavourDetailVO> courseFavourVOPage = new Page<>(coursePage.getCurrent(), coursePage.getSize(), coursePage.getTotal());
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// List<Courses> courseFavourList = coursePage.getRecords();
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// //若数据为空，直接返回
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// if (CollUtil.isEmpty(courseFavourList)) {
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// return courseFavourVOPage;
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// }
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// //过滤字段
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// List<CourseFavourDetailVO> courseFavourDetailVOList = new ArrayList<>();
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// for (int i = 0; i < courseFavourList.size(); i++) {
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// CourseFavourDetailVO courseFavourDetailVO = new CourseFavourDetailVO();
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// BeanUtils.copyProperties(courseFavourList.get(i), courseFavourDetailVO);
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// courseFavourDetailVOList.add(courseFavourDetailVO);
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// }
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// courseFavourVOPage.setRecords(courseFavourDetailVOList);
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// return courseFavourVOPage;
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// }
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//
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//
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//}
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package com.teaching.backend.service.impl.favour; |
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import cn.hutool.core.collection.CollUtil; |
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import cn.hutool.core.date.DateTime; |
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import com.baomidou.mybatisplus.core.conditions.Wrapper; |
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper; |
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page; |
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; |
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import com.teaching.backend.common.BaseResponse; |
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import com.teaching.backend.common.ErrorCode; |
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import com.teaching.backend.common.ResultUtils; |
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import com.teaching.backend.exception.BusinessException; |
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import com.teaching.backend.mapper.courses.CoursesMapper; |
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import com.teaching.backend.mapper.favour.SeCourseFavourMapper; |
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import com.teaching.backend.model.entity.courses.Courses; |
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import com.teaching.backend.model.entity.favour.SeCourseFavour; |
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import com.teaching.backend.model.entity.favour.SeKnowFavour; |
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import com.teaching.backend.model.entity.favour.SeResourceFavour; |
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import com.teaching.backend.model.vo.favour.CourseFavourDetailVO; |
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import com.teaching.backend.service.courses.ICoursesService; |
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import com.teaching.backend.service.favour.SeCourseFavourService; |
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import com.teaching.backend.service.favour.SeKnowFavourService; |
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import org.springframework.beans.BeanUtils; |
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import org.springframework.beans.factory.annotation.Autowired; |
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import org.springframework.stereotype.Service; |
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import javax.annotation.Resource; |
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import java.util.ArrayList; |
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import java.util.List; |
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import java.util.concurrent.locks.Lock; |
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import java.util.concurrent.locks.ReentrantLock; |
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import java.util.stream.Collectors; |
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/** |
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* @Author:youhang |
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* @Date:2024-05-30-20:23 |
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* @Description: |
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*/ |
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@Service |
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public class SeCourseFavourServiceImpl extends ServiceImpl<SeCourseFavourMapper, SeCourseFavour> implements SeCourseFavourService { |
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@Resource |
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SeKnowFavourService seKnowFavourService; |
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|
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@Autowired |
||||
CoursesMapper coursesMapper; |
||||
|
||||
@Autowired |
||||
ICoursesService coursesService; |
||||
|
||||
|
||||
|
||||
@Override |
||||
public BaseResponse<Boolean> doCourseFavour(String courseId, String userId) { |
||||
System.out.println("进入点赞" + courseId + userId); |
||||
//从数据库中校验是否存在courseid
|
||||
Courses courses = coursesMapper.selectById(courseId); |
||||
boolean result = false; |
||||
if(courses == null){ |
||||
return ResultUtils.error(ErrorCode.NOT_FOUND_ERROR,"课程不存在"); |
||||
} |
||||
//查询数据库记录，该用户是否点赞
|
||||
SeCourseFavour seCourseFavour = new SeCourseFavour(); |
||||
seCourseFavour.setCourseId(courseId); |
||||
seCourseFavour.setUserId(userId); |
||||
seCourseFavour.setCreatetime(DateTime.now()); |
||||
QueryWrapper<SeCourseFavour> favourQueryWrapper = new QueryWrapper<>(seCourseFavour); |
||||
SeCourseFavour oldSeCourseFavour = this.getOne(favourQueryWrapper); |
||||
//已点赞
|
||||
if (oldSeCourseFavour != null) { |
||||
// 取消点赞 删除记录
|
||||
result = this.remove(favourQueryWrapper); |
||||
if (result) { |
||||
System.out.println("取消点赞成功"); |
||||
return ResultUtils.success(result); |
||||
} else { |
||||
throw new BusinessException(ErrorCode.SYSTEM_ERROR); |
||||
} |
||||
} else { |
||||
// 每个用户串行点赞
|
||||
// 锁必须要包裹住事务方法
|
||||
Lock lock = new ReentrantLock(); |
||||
lock.lock(); |
||||
try { |
||||
result = this.save(seCourseFavour); |
||||
} catch (Exception e) { |
||||
throw new BusinessException(ErrorCode.OPERATION_ERROR); |
||||
} finally { |
||||
lock.unlock(); |
||||
System.out.println("点赞成功"); |
||||
return ResultUtils.success(result); |
||||
} |
||||
} |
||||
} |
||||
|
||||
@Override |
||||
public BaseResponse<Long>favourCount(String courseId) { |
||||
//从数据库中校验是否存在courseid
|
||||
QueryWrapper<SeCourseFavour> favourQueryWrapper = new QueryWrapper<>(); |
||||
favourQueryWrapper.eq("course_id", courseId); |
||||
long result = this.count(favourQueryWrapper); |
||||
if (result == 0) { |
||||
throw new BusinessException(ErrorCode.SYSTEM_ERROR, "查询参数不存在"); |
||||
} else { |
||||
return ResultUtils.success(result); |
||||
} |
||||
} |
||||
|
||||
|
||||
/** |
||||
* 某个用户课程列表 |
||||
* |
||||
* @param userId |
||||
* @return |
||||
*/ |
||||
@Override |
||||
public List<String> courseList(String userId) { |
||||
QueryWrapper<SeCourseFavour> courseQueryWrapper = new QueryWrapper<>(); |
||||
courseQueryWrapper.eq("user_id", userId); |
||||
List<String> list = this.list(courseQueryWrapper).stream().map(SeCourseFavour::getCourseId).collect(Collectors.toList()); |
||||
return list; |
||||
} |
||||
|
||||
@Override |
||||
public Page<CourseFavourDetailVO> listCourseFavourByPage(Page<Courses> page, Wrapper<Courses> queryWrapper) { |
||||
Page<Courses> coursePage = coursesService.page(page, queryWrapper); |
||||
Page<CourseFavourDetailVO> courseFavourVOPage = new Page<>(coursePage.getCurrent(), coursePage.getSize(), coursePage.getTotal()); |
||||
List<Courses> courseFavourList = coursePage.getRecords(); |
||||
//若数据为空，直接返回
|
||||
if (CollUtil.isEmpty(courseFavourList)) { |
||||
return courseFavourVOPage; |
||||
} |
||||
//过滤字段
|
||||
List<CourseFavourDetailVO> courseFavourDetailVOList = new ArrayList<>(); |
||||
for (int i = 0; i < courseFavourList.size(); i++) { |
||||
CourseFavourDetailVO courseFavourDetailVO = new CourseFavourDetailVO(); |
||||
BeanUtils.copyProperties(courseFavourList.get(i), courseFavourDetailVO); |
||||
courseFavourDetailVOList.add(courseFavourDetailVO); |
||||
} |
||||
courseFavourVOPage.setRecords(courseFavourDetailVOList); |
||||
return courseFavourVOPage; |
||||
} |
||||
|
||||
|
||||
} |
||||
|
||||
@ -0,0 +1,34 @@ |
||||
package com.teaching.backend.utils.knowGraph; |
||||
|
||||
import com.teaching.backend.common.BaseResponse; |
||||
import com.teaching.backend.model.dto.chapter.ChapterDTO; |
||||
import com.teaching.backend.model.dto.courses.CoursesDTO; |
||||
import com.teaching.backend.model.entity.KnowGraph.KnowChapter; |
||||
import com.teaching.backend.model.entity.KnowGraph.KnowCourse; |
||||
import com.teaching.backend.model.entity.chapter.Chapter; |
||||
import com.teaching.backend.model.entity.courses.Courses; |
||||
import com.teaching.backend.service.KnowGraph.KnowService; |
||||
import org.springframework.beans.factory.annotation.Autowired; |
||||
import org.springframework.stereotype.Component; |
||||
import org.springframework.web.bind.annotation.RequestBody; |
||||
|
||||
/** |
||||
* @Author:youhang |
||||
* @Date:2024-07-26-17:57 |
||||
* @Description: |
||||
*/ |
||||
@Component |
||||
public class AddNeoKnowByCourse { |
||||
|
||||
@Autowired |
||||
private KnowService knowService; |
||||
|
||||
public BaseResponse<KnowCourse> addCourse(Courses courses){ |
||||
return knowService.createCourseKnow(courses); |
||||
} |
||||
|
||||
public BaseResponse<KnowChapter> addChapter(Chapter chapter){ |
||||
return knowService.createKnowChapter(chapter); |
||||
} |
||||
|
||||
} |
||||
Loading…
Reference in new issue