package com.xinquan.course.controller.client;
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import com.alibaba.nacos.common.utils.StringUtils;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import com.xinquan.common.core.constant.SecurityConstants;
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import com.xinquan.common.core.domain.R;
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import com.xinquan.common.core.utils.page.BeanUtils;
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import com.xinquan.common.core.utils.page.CollUtils;
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import com.xinquan.common.core.utils.page.PageDTO;
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import com.xinquan.common.security.utils.SecurityUtils;
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import com.xinquan.course.api.domain.Course;
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import com.xinquan.course.api.vo.CourseVO;
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import com.xinquan.course.api.vo.StudyPageVO;
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import com.xinquan.course.domain.CourseChapter;
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import com.xinquan.course.domain.vo.ClientCourseCategoryVO;
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import com.xinquan.course.domain.vo.ClientCourseVO;
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import com.xinquan.course.service.CourseCategoryService;
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import com.xinquan.course.service.CourseChapterService;
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import com.xinquan.course.service.CourseService;
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import com.xinquan.system.api.RemoteBannerService;
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import com.xinquan.system.api.domain.AppUser;
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import com.xinquan.system.api.domain.AppUserCourse;
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import com.xinquan.system.api.domain.AppUserViewingHistory;
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import com.xinquan.system.api.domain.vo.AppUserVO;
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import com.xinquan.system.api.domain.vo.BannerVO;
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import com.xinquan.user.api.feign.RemoteAppUserService;
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import io.swagger.annotations.Api;
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import io.swagger.annotations.ApiImplicitParam;
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import io.swagger.annotations.ApiImplicitParams;
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import io.swagger.annotations.ApiOperation;
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import java.time.LocalDateTime;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Objects;
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import java.util.stream.Collectors;
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import io.swagger.models.auth.In;
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import lombok.RequiredArgsConstructor;
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import org.springframework.web.bind.annotation.*;
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import javax.annotation.Resource;
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/**
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* <p>
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* 线上课程表 前端控制器
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* </p>
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*
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* @author mitao
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* @since 2024-08-21
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*/
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@Api(tags = {"用户端-课程相关接口"})
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@RestController
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@RequiredArgsConstructor
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@RequestMapping("/client/course/course")
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public class ClientCourseController {
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private final CourseCategoryService courseCategoryService;
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private final CourseService courseService;
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private final RemoteBannerService remoteBannerService;
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private final RemoteAppUserService remoteAppUserService;
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@Resource
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private CourseChapterService courseChapterService;
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/**
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* 获取轮播图列表
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*
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* @return 轮播图列表
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*/
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@GetMapping("/getBannerList")
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@ApiOperation(value = "获取轮播图列表")
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public R<List<BannerVO>> getBannerList() {
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return remoteBannerService.getBannerList(SecurityConstants.INNER);
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}
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/**
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* 获取课程分类列表
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*
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* @return 课程分类列表
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*/
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@GetMapping("/getCourseCategoryList")
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@ApiOperation(value = "获取课程分类列表")
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public R<List<ClientCourseCategoryVO>> getCourseCategoryList() {
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return R.ok(courseCategoryService.getCourseCategoryList());
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}
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/**
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* 课程详情
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*
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* @return 课程详情
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*/
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/**
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* 课程详情
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*
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* @return 课程详情
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*/
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@PostMapping("/getPayCourseInfoById")
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@ApiOperation(value = "根据id获取课程详情")
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@ApiImplicitParams({
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@ApiImplicitParam(value = "课程id", name = "id", required = true, dataType = "String"),
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})
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public R<ClientCourseVO> getPayCourseInfoById(@RequestParam(value = "id")Long id) {
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Long userId = SecurityUtils.getUserId();
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if (userId == 0)return R.tokenError("登录失效");
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AppUserVO data1 = remoteAppUserService.getCurrentUser().getData();
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Course byId = courseService.getById(id);
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ClientCourseVO clientCourseVO = new ClientCourseVO();
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BeanUtils.copyProperties(byId, clientCourseVO);
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if (data1.getVipExpireTime()!=null && data1.getVipExpireTime().isAfter(LocalDateTime.now())){
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clientCourseVO.setIsVip(1);
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}else{
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clientCourseVO.setIsVip(0);
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}
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// 查询用户是否已购买该课程
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// 查询章节
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List<CourseChapter> page = courseChapterService.lambdaQuery()
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.eq(CourseChapter::getCourseId, id)
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.orderByDesc(CourseChapter::getSortNum)
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.list();
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clientCourseVO.setIsBuy(0);
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// 查询学习人数和头像列表
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List<AppUser> data = remoteAppUserService.getUserByCourseId(id).getData();
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if (data!=null){
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clientCourseVO.setCount(data.size());
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if (data.size()>=5){
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clientCourseVO.setHeaders(data.stream().limit(5).map(AppUser::getAvatar).collect(Collectors.toList()));
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}else{
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clientCourseVO.setHeaders(data.stream().map(AppUser::getAvatar).collect(Collectors.toList()));
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}
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List<Long> collect = data.stream().map(AppUser::getUserId).collect(Collectors.toList());
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if (!collect.isEmpty()){
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if (collect.contains(userId)){
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clientCourseVO.setIsBuy(1);
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}
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}
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}
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// 查询推荐课程
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List<Course> list = courseService.lambdaQuery().eq(Course::getCateId, byId.getCateId())
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.eq(Course::getCourseType,1)
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.eq(Course::getRecommend, 1).list();
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List<Course> courses = new ArrayList<>();
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// 随机获取两个课程
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if (CollUtils.isNotEmpty(list)) {
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int size = list.size();
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int index = (int) (Math.random() * size);
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if (size >= 2){
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for (int i = 0; i < 2; i++) {
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courses.add(list.get(index));
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}
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}else{
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courses.add(list.get(index));
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}
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}
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clientCourseVO.setList2(courses);
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return R.ok(clientCourseVO);
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}
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/**
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* 获取课程列表-分页
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*
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* @param courseTitle 课程标题
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* @param cateId 分类id
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* @param pageCurr 分页参数，当前页码
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* @param pageSize 分页参数，每页数量
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* @return 课程分页列表
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*/
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@PostMapping("/getCoursePageList")
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@ApiOperation(value = "获取课程列表-分页")
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@ApiImplicitParams({
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@ApiImplicitParam(value = "课程标题", name = "courseTitle", required = false, dataType = "String"),
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@ApiImplicitParam(value = "课程分类id", name = "cateId", required = false, dataType = "Long"),
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@ApiImplicitParam(value = "分页参数，当前页码", name = "pageCurr", required = true, dataType = "Integer"),
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@ApiImplicitParam(value = "分页参数，每页数量", name = "pageSize", required = true, dataType = "Integer")
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})
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public R<PageDTO<ClientCourseVO>> getCourseList(
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@RequestParam(defaultValue = "", value = "courseTitle", required = false) String courseTitle,
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@RequestParam(required = false) Long cateId,
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@RequestParam(value = "pageCurr", defaultValue = "1") Integer pageCurr,
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@RequestParam(value = "pageSize", defaultValue = "10") Integer pageSize) {
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return R.ok(courseService.getCoursePageList(courseTitle, cateId, pageCurr, pageSize));
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}
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@PostMapping("/studyPageByChapterId")
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@ApiOperation(value = "课程学习页面")
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@ApiImplicitParams({
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@ApiImplicitParam(value = "章节id", name = "chapterId", required = true, dataType = "Long"),
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@ApiImplicitParam(value = "分页参数，当前页码", name = "pageCurr", required = true, dataType = "Integer"),
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@ApiImplicitParam(value = "分页参数，每页数量", name = "pageSize", required = true, dataType = "Integer")
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})
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public R<PageDTO<CourseChapter>> studyPageByChapterId(@RequestParam(value = "chapterId")Long chapterId,
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@RequestParam(value = "pageCurr", defaultValue = "1") Integer pageCurr,
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@RequestParam(value = "pageSize", defaultValue = "10") Integer pageSize) {
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CourseChapter byId1 = courseChapterService.getById(chapterId);
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Long id = byId1.getCourseId();
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// 查询章节
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Page<CourseChapter> page = courseChapterService.lambdaQuery()
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.eq(CourseChapter::getCourseId, id)
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.orderByDesc(CourseChapter::getSortNum)
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.page(new Page<>(pageCurr, pageSize));
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if (CollUtils.isEmpty(page.getRecords())) {
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PageDTO<CourseChapter> empty = PageDTO.empty(page);
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return R.ok(empty);
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}
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PageDTO<CourseChapter> courseChapterPageDTO = PageDTO.of(page, CourseChapter.class);
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if (CollUtils.isNotEmpty(courseChapterPageDTO.getList())) {
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for (CourseChapter courseChapter : courseChapterPageDTO.getList()) {
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AppUserViewingHistory data = remoteAppUserService.getCourseStudyHistory(courseChapter.getId()).getData();
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if (data!=null){
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courseChapter.setMinuteLook(data.getMinuteLook());
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courseChapter.setSecondLook(data.getSecondLook());
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courseChapter.setIsOver(data.getIsOver());
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}
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}
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}
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return R.ok();
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}
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@PostMapping("/confirmOrder")
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@ApiOperation(value = "确认订单页面")
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@ApiImplicitParams({
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@ApiImplicitParam(value = "课程id", name = "courseId", required = true, dataType = "Long")
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})
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public R<Course> studyPageByChapterId(@RequestParam(value = "courseId")Long courseId) {
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Long userId = SecurityUtils.getUserId();
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if (userId == 0)return R.tokenError("登录失效");
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Course byId = courseService.getById(courseId);
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return R.ok(byId);
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}
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@PostMapping("/successOrder")
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@ApiOperation(value = "支付成功页面")
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@ApiImplicitParams({
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@ApiImplicitParam(value = "课程id", name = "courseId", required = true, dataType = "Long")
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})
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public R<List<Course>> successOrder(@RequestParam(value = "courseId")Long courseId) {
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Long userId = SecurityUtils.getUserId();
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if (userId == 0)return R.tokenError("登录失效");
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Course byId = courseService.getById(courseId);
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List<Course> list = courseService.lambdaQuery().eq(Course::getCateId, byId.getCateId())
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.eq(Course::getCourseType, 1).list();
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for (Course course : list) {
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List<AppUser> data = remoteAppUserService.getUserByCourseId(courseId).getData();
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course.setCount(data.size());
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}
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List<Course> courses = new ArrayList<>();
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// 如果list集合数据大于2 随机获取两个返回
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if (CollUtils.isNotEmpty(list) && list.size() > 4) {
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int size = list.size();
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int index = (int) (Math.random() * size);
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for (int i = 0; i < 4; i++) {
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courses.add(list.get(index));
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}
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return R.ok(courses);
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}else {
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return R.ok(list);
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}
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}
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@GetMapping("/studyPage")
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@ApiOperation(value = "学习")
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@ApiImplicitParams({
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@ApiImplicitParam(value = "分页参数，当前页码", name = "pageCurr", required = true, dataType = "Integer"),
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@ApiImplicitParam(value = "分页参数，每页数量", name = "pageSize", required = true, dataType = "Integer")
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})
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public R<StudyPageVO> studyPage(@RequestParam(value = "pageCurr", defaultValue = "1") Integer pageCurr,
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@RequestParam(value = "pageSize", defaultValue = "10") Integer pageSize) {
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Long userId = SecurityUtils.getUserId();
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if (userId == 0)return R.tokenError("登录失效");
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StudyPageVO studyPageVO = new StudyPageVO();
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PageDTO<AppUserCourse> data = remoteAppUserService.getPayCourse(pageCurr, pageSize).getData();
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List<AppUserCourse> list = data.getList();
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if (CollUtils.isNotEmpty(list)) {
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List<Long> courseIds = list.stream().map(AppUserCourse::getCourseId).collect(Collectors.toList());
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Page<Course> page = courseService.lambdaQuery()
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.in(Course::getId, courseIds)
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.page(new Page<>(pageCurr, pageSize));
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if (CollUtils.isEmpty(page.getRecords())) {
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PageDTO<CourseVO> empty = PageDTO.empty(page);
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studyPageVO.setCourseList(empty);
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}else{
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PageDTO<CourseVO> courseChapterPageDTO = PageDTO.of(page, CourseVO.class);
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studyPageVO.setCourseList(courseChapterPageDTO);
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}
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}
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// 查询两个相同类型的线上免费课程
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List<Course> freeCourseList = courseService.lambdaQuery()
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.eq(Course::getCourseType, 1)
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.eq(Course::getChargeType, 1)
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.list();
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// 随机获取两个
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if (CollUtils.isNotEmpty(freeCourseList) && freeCourseList.size() > 2) {
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int size = freeCourseList.size();
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int index = (int) (Math.random() * size);
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List<Course> courses = new ArrayList<>();
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for (int i = 0; i < 2; i++) {
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courses.add(freeCourseList.get(index));
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}
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studyPageVO.setFreeCourseList(courses);
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}else{
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studyPageVO.setFreeCourseList(freeCourseList);
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}
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return R.ok(studyPageVO);
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}
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}
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