From 0bc54f2346e919644f7b14c1e91dbb789f59b063 Mon Sep 17 00:00:00 2001
From: “mitao” <“2763622819@qq.com”>
Date: 星期二, 14 四月 2026 22:21:11 +0800
Subject: [PATCH] feat:APP课程模块、健康科普
---
tcm-training-admin-backend/src/main/java/com/tcm/training/admin/app/course/service/AppHealthCourseService.java | 581 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 578 insertions(+), 3 deletions(-)
diff --git a/tcm-training-admin-backend/src/main/java/com/tcm/training/admin/app/course/service/AppHealthCourseService.java b/tcm-training-admin-backend/src/main/java/com/tcm/training/admin/app/course/service/AppHealthCourseService.java
index d5fcb46..4d4f298 100644
--- a/tcm-training-admin-backend/src/main/java/com/tcm/training/admin/app/course/service/AppHealthCourseService.java
+++ b/tcm-training-admin-backend/src/main/java/com/tcm/training/admin/app/course/service/AppHealthCourseService.java
@@ -1,28 +1,49 @@
package com.tcm.training.admin.app.course.service;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
+import com.tcm.training.admin.app.auth.service.AppAuthSessionService;
+import com.tcm.training.admin.app.course.dto.AppHealthCoursePurchaseRequest;
import com.tcm.training.admin.app.course.vo.AppHealthCourseCategoryOptionVO;
import com.tcm.training.admin.app.course.vo.AppHealthCourseDetailVO;
import com.tcm.training.admin.app.course.vo.AppHealthCourseExpertVO;
+import com.tcm.training.admin.app.course.vo.AppHealthCourseFavoriteResultVO;
import com.tcm.training.admin.app.course.vo.AppHealthCourseListItemVO;
+import com.tcm.training.admin.app.course.vo.AppHealthCoursePurchaseResultVO;
import com.tcm.training.admin.app.course.vo.AppHealthCourseVideoVO;
+import com.tcm.training.admin.live.entity.CoursePurchaseOrder;
import com.tcm.training.admin.live.entity.Expert;
+import com.tcm.training.admin.live.entity.HealthCourse;
+import com.tcm.training.admin.live.entity.HealthCourseFavoriteRecord;
+import com.tcm.training.admin.live.entity.HealthCourseMemberJoinRecord;
import com.tcm.training.admin.live.entity.HealthCourseVideo;
import com.tcm.training.admin.live.entity.LiveCourseCategory;
+import com.tcm.training.admin.live.mapper.CoursePurchaseOrderMapper;
import com.tcm.training.admin.live.mapper.ExpertMapper;
+import com.tcm.training.admin.live.mapper.HealthCourseFavoriteRecordMapper;
import com.tcm.training.admin.live.mapper.HealthCourseMapper;
+import com.tcm.training.admin.live.mapper.HealthCourseMemberJoinRecordMapper;
import com.tcm.training.admin.live.mapper.HealthCourseVideoMapper;
import com.tcm.training.admin.live.mapper.LiveCourseCategoryMapper;
import com.tcm.training.admin.live.service.HealthCourseAppService;
import com.tcm.training.admin.live.service.LiveCourseCategoryAppService;
import com.tcm.training.admin.live.vo.HealthCourseDetailVO;
import com.tcm.training.admin.live.vo.HealthCourseListRow;
+import com.tcm.training.admin.member.entity.AppUser;
+import com.tcm.training.admin.member.mapper.UserMapper;
+import com.tcm.training.admin.system.service.SystemSettingsAppService;
+import com.tcm.training.admin.system.vo.SystemSettingsVO;
import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
import java.math.BigDecimal;
+import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.Collections;
+import java.util.LinkedHashSet;
import java.util.List;
+import java.util.Set;
+import java.time.format.DateTimeFormatter;
/**
* APP 养生课程详情聚合服务。
@@ -32,12 +53,27 @@
private static final int COURSE_STATUS_ENABLED = 1;
private static final int VIDEO_STATUS_ENABLED = 1;
+ private static final String ACTION_TYPE_FAVORITE = "FAVORITE";
+ private static final String ACTION_TYPE_CANCEL = "CANCEL";
+ private static final String COURSE_TYPE_HEALTH = "HEALTH_COURSE";
+ private static final String PURCHASE_TARGET_COURSE = "COURSE";
+ private static final String PURCHASE_TARGET_CHAPTER = "COURSE_CHAPTER";
+ private static final String PAYMENT_METHOD_WECHAT = "WECHAT";
+ private static final String PAYMENT_METHOD_ALIPAY = "ALIPAY";
+ private static final String ORDER_STATUS_PAID = "PAID";
+ private static final DateTimeFormatter ORDER_NO_TIME_FORMATTER = DateTimeFormatter.ofPattern("yyyyMMddHHmmss");
private final HealthCourseAppService healthCourseAppService;
private final HealthCourseMapper healthCourseMapper;
private final HealthCourseVideoMapper healthCourseVideoMapper;
private final LiveCourseCategoryMapper liveCourseCategoryMapper;
private final ExpertMapper expertMapper;
+ private final HealthCourseFavoriteRecordMapper healthCourseFavoriteRecordMapper;
+ private final HealthCourseMemberJoinRecordMapper healthCourseMemberJoinRecordMapper;
+ private final AppAuthSessionService appAuthSessionService;
+ private final CoursePurchaseOrderMapper coursePurchaseOrderMapper;
+ private final UserMapper userMapper;
+ private final SystemSettingsAppService systemSettingsAppService;
/**
* 注入 APP 养生课程详情所需依赖。
@@ -46,12 +82,24 @@
HealthCourseMapper healthCourseMapper,
HealthCourseVideoMapper healthCourseVideoMapper,
LiveCourseCategoryMapper liveCourseCategoryMapper,
- ExpertMapper expertMapper) {
+ ExpertMapper expertMapper,
+ HealthCourseFavoriteRecordMapper healthCourseFavoriteRecordMapper,
+ HealthCourseMemberJoinRecordMapper healthCourseMemberJoinRecordMapper,
+ AppAuthSessionService appAuthSessionService,
+ CoursePurchaseOrderMapper coursePurchaseOrderMapper,
+ UserMapper userMapper,
+ SystemSettingsAppService systemSettingsAppService) {
this.healthCourseAppService = healthCourseAppService;
this.healthCourseMapper = healthCourseMapper;
this.healthCourseVideoMapper = healthCourseVideoMapper;
this.liveCourseCategoryMapper = liveCourseCategoryMapper;
this.expertMapper = expertMapper;
+ this.healthCourseFavoriteRecordMapper = healthCourseFavoriteRecordMapper;
+ this.healthCourseMemberJoinRecordMapper = healthCourseMemberJoinRecordMapper;
+ this.appAuthSessionService = appAuthSessionService;
+ this.coursePurchaseOrderMapper = coursePurchaseOrderMapper;
+ this.userMapper = userMapper;
+ this.systemSettingsAppService = systemSettingsAppService;
}
/**
@@ -107,12 +155,128 @@
detailVO.setTotalDurationSeconds(resolveTotalDurationSeconds(courseDetail, enabledVideos));
detailVO.setTotalDurationText(formatCourseDuration(detailVO.getTotalDurationSeconds()));
detailVO.setExpert(resolveExpert(courseDetail.getExpert() == null ? null : courseDetail.getExpert().getId()));
+ detailVO.setServicePhone(resolveServicePhone());
- List<AppHealthCourseVideoVO> videoVOList = toVideoVOList(enabledVideos);
+ PurchaseStateSnapshot purchaseState = resolvePurchaseState(courseDetail.getId());
+ List<AppHealthCourseVideoVO> videoVOList = toVideoVOList(enabledVideos, purchaseState);
detailVO.setVideos(videoVOList);
detailVO.setFreeVideoCount(countFreeVideos(videoVOList));
detailVO.setPaidVideoCount(countPaidVideos(videoVOList));
+ detailVO.setFavorited(Boolean.valueOf(resolveFavorited(courseDetail.getId())));
+ detailVO.setIsMember(Boolean.valueOf(purchaseState.isMember()));
+ detailVO.setMemberCourseJoined(Boolean.valueOf(purchaseState.isMemberCourseJoined()));
+ detailVO.setCourseOwned(Boolean.valueOf(purchaseState.isCourseOwned()));
+ detailVO.setCoursePurchased(Boolean.valueOf(purchaseState.isCoursePurchased()));
return detailVO;
+ }
+
+ /**
+ * 收藏 APP 养生课程。
+ */
+ @Transactional
+ public AppHealthCourseFavoriteResultVO favorite(Long courseId) {
+ Long userId = appAuthSessionService.requireLoginUserId();
+ HealthCourse course = requireEnabledCourse(courseId);
+ HealthCourseFavoriteRecord latestRecord = findLatestFavoriteRecord(courseId, userId);
+ if (isFavorited(latestRecord)) {
+ return buildFavoriteResult(course.getId(), true, course.getFavoriteCount());
+ }
+ insertFavoriteRecord(courseId, userId, ACTION_TYPE_FAVORITE);
+ updateFavoriteCount(courseId, true);
+ return buildFavoriteResult(courseId, true, defaultNumber(course.getFavoriteCount()) + 1);
+ }
+
+ /**
+ * 取消收藏 APP 养生课程。
+ */
+ @Transactional
+ public AppHealthCourseFavoriteResultVO cancelFavorite(Long courseId) {
+ Long userId = appAuthSessionService.requireLoginUserId();
+ HealthCourse course = requireEnabledCourse(courseId);
+ HealthCourseFavoriteRecord latestRecord = findLatestFavoriteRecord(courseId, userId);
+ if (!isFavorited(latestRecord)) {
+ return buildFavoriteResult(course.getId(), false, course.getFavoriteCount());
+ }
+ insertFavoriteRecord(courseId, userId, ACTION_TYPE_CANCEL);
+ updateFavoriteCount(courseId, false);
+ return buildFavoriteResult(courseId, false, Math.max(defaultNumber(course.getFavoriteCount()) - 1, 0));
+ }
+
+ /**
+ * 购买 APP 养生课程整课。
+ */
+ @Transactional
+ public AppHealthCoursePurchaseResultVO purchaseCourse(Long courseId, AppHealthCoursePurchaseRequest request) {
+ Long userId = appAuthSessionService.requireLoginUserId();
+ AppUser user = requireEnabledUser(userId);
+ HealthCourse course = requireEnabledCourse(courseId);
+ String paymentMethod = normalizePaymentMethod(request == null ? null : request.getPaymentMethod());
+ if (course.getSalePrice() == null || course.getSalePrice().compareTo(BigDecimal.ZERO) <= 0) {
+ throw new IllegalArgumentException("当前课程无需购买");
+ }
+ CoursePurchaseOrder existingOrder = findLatestActivePaidCourseOrder(userId, courseId);
+ if (existingOrder != null) {
+ return buildPurchaseResult(existingOrder, true, resolvePurchasedVideoIds(userId, courseId, true));
+ }
+
+ CoursePurchaseOrder order = buildCourseOrder(user, course, paymentMethod, LocalDateTime.now());
+ coursePurchaseOrderMapper.insert(order);
+ return buildPurchaseResult(order, true, resolvePurchasedVideoIds(userId, courseId, true));
+ }
+
+ /**
+ * 购买 APP 养生课程小节。
+ */
+ @Transactional
+ public AppHealthCoursePurchaseResultVO purchaseVideo(Long courseId, Long videoId, AppHealthCoursePurchaseRequest request) {
+ Long userId = appAuthSessionService.requireLoginUserId();
+ AppUser user = requireEnabledUser(userId);
+ HealthCourse course = requireEnabledCourse(courseId);
+ HealthCourseVideo video = requireEnabledVideo(courseId, videoId);
+ String paymentMethod = normalizePaymentMethod(request == null ? null : request.getPaymentMethod());
+ if (isFreeVideo(video.getSalePrice())) {
+ throw new IllegalArgumentException("免费小节无需购买");
+ }
+
+ CoursePurchaseOrder existingCourseOrder = findLatestActivePaidCourseOrder(userId, courseId);
+ if (existingCourseOrder != null) {
+ return buildPurchaseResult(existingCourseOrder, true, resolvePurchasedVideoIds(userId, courseId, true));
+ }
+
+ CoursePurchaseOrder existingVideoOrder = findLatestActivePaidVideoOrder(userId, courseId, videoId);
+ if (existingVideoOrder != null) {
+ return buildPurchaseResult(existingVideoOrder, false, resolvePurchasedVideoIds(userId, courseId, false));
+ }
+
+ CoursePurchaseOrder order = buildVideoOrder(user, course, video, paymentMethod, LocalDateTime.now());
+ coursePurchaseOrderMapper.insert(order);
+ return buildPurchaseResult(order, false, resolvePurchasedVideoIds(userId, courseId, false));
+ }
+
+ /**
+ * 会员将养生课程加入我的课程。
+ */
+ @Transactional
+ public boolean memberJoinCourse(Long courseId) {
+ Long userId = appAuthSessionService.requireLoginUserId();
+ AppUser user = requireEnabledUser(userId);
+ requireEnabledCourse(courseId);
+ if (!isActiveMember(user)) {
+ throw new IllegalArgumentException("当前用户不是有效会员");
+ }
+ if (findLatestActivePaidCourseOrder(userId, courseId) != null) {
+ return true;
+ }
+ if (findMemberJoinRecord(courseId, userId) != null) {
+ return true;
+ }
+ HealthCourseMemberJoinRecord record = new HealthCourseMemberJoinRecord();
+ record.setCourseId(courseId);
+ record.setAppUserId(userId);
+ record.setJoinedAt(LocalDateTime.now());
+ record.setDeleted(0);
+ healthCourseMemberJoinRecordMapper.insert(record);
+ return true;
}
/**
@@ -150,6 +314,20 @@
result.add(optionVO);
}
return result;
+ }
+
+ /**
+ * 判断当前请求用户是否已收藏课程；游客统一视为未收藏。
+ */
+ private boolean resolveFavorited(Long courseId) {
+ if (!appAuthSessionService.isLogin()) {
+ return false;
+ }
+ Long userId = appAuthSessionService.getLoginUserId();
+ if (userId == null) {
+ return false;
+ }
+ return isFavorited(findLatestFavoriteRecord(courseId, userId));
}
/**
@@ -214,7 +392,7 @@
/**
* 将启用视频列表转换为 APP 详情页可直接渲染的数据结构。
*/
- private List<AppHealthCourseVideoVO> toVideoVOList(List<HealthCourseVideo> videos) {
+ private List<AppHealthCourseVideoVO> toVideoVOList(List<HealthCourseVideo> videos, PurchaseStateSnapshot purchaseState) {
if (videos == null || videos.isEmpty()) {
return Collections.emptyList();
}
@@ -228,6 +406,13 @@
videoVO.setSalePrice(defaultPrice(video.getSalePrice()));
// 前端课程列表直接按该字段切分免费/付费列表，避免再次复制业务判断。
videoVO.setFreeAccess(Boolean.valueOf(isFreeVideo(videoVO.getSalePrice())));
+ boolean purchased = purchaseState.isCourseOwned()
+ || purchaseState.getPurchasedVideoIds().contains(video.getId());
+ boolean locked = !Boolean.TRUE.equals(videoVO.getFreeAccess()) && !purchased;
+ videoVO.setPurchased(Boolean.valueOf(purchased));
+ videoVO.setLocked(Boolean.valueOf(locked));
+ // 已购买章节需要直接拿到视频地址，前端才能切换为下载入口。
+ videoVO.setVideoUrl(trimToEmpty(video.getVideoUrl()));
result.add(videoVO);
}
return result;
@@ -279,6 +464,337 @@
*/
private boolean isFreeVideo(BigDecimal salePrice) {
return salePrice == null || salePrice.compareTo(BigDecimal.ZERO) <= 0;
+ }
+
+ /**
+ * 汇总当前登录用户的课程购买状态。
+ */
+ private PurchaseStateSnapshot resolvePurchaseState(Long courseId) {
+ if (!appAuthSessionService.isLogin()) {
+ return PurchaseStateSnapshot.empty();
+ }
+ Long userId = appAuthSessionService.getLoginUserId();
+ if (userId == null) {
+ return PurchaseStateSnapshot.empty();
+ }
+ AppUser user = userMapper.selectById(userId);
+ if (user == null || user.getDeleted() == null || user.getDeleted().intValue() != 0) {
+ return PurchaseStateSnapshot.empty();
+ }
+ CoursePurchaseOrder activeCourseOrder = findLatestActivePaidCourseOrder(userId, courseId);
+ boolean coursePurchased = activeCourseOrder != null;
+ boolean memberCourseJoined = findMemberJoinRecord(courseId, userId) != null;
+ boolean courseOwned = coursePurchased || memberCourseJoined;
+ return new PurchaseStateSnapshot(
+ isActiveMember(user),
+ memberCourseJoined,
+ courseOwned,
+ coursePurchased,
+ resolvePurchasedVideoIds(userId, courseId, courseOwned)
+ );
+ }
+
+ /**
+ * 读取当前用户对课程仍有效的已购小节集合。
+ */
+ private List<Long> resolvePurchasedVideoIds(Long userId, Long courseId, boolean courseOwned) {
+ if (courseOwned) {
+ List<HealthCourseVideo> enabledVideos = listEnabledVideos(courseId);
+ List<Long> allVideoIds = new ArrayList<Long>(enabledVideos.size());
+ for (HealthCourseVideo video : enabledVideos) {
+ allVideoIds.add(video.getId());
+ }
+ return allVideoIds;
+ }
+ List<CoursePurchaseOrder> orders = listActivePaidOrders(userId, courseId);
+ Set<Long> purchasedVideoIds = new LinkedHashSet<Long>();
+ for (CoursePurchaseOrder order : orders) {
+ if (PURCHASE_TARGET_CHAPTER.equals(order.getPurchaseTargetType()) && order.getCourseVideoId() != null) {
+ purchasedVideoIds.add(order.getCourseVideoId());
+ }
+ }
+ return new ArrayList<Long>(purchasedVideoIds);
+ }
+
+ /**
+ * 查询用户当前课程下所有有效的已支付订单。
+ */
+ private List<CoursePurchaseOrder> listActivePaidOrders(Long userId, Long courseId) {
+ List<CoursePurchaseOrder> orders = coursePurchaseOrderMapper.selectList(new LambdaQueryWrapper<CoursePurchaseOrder>()
+ .eq(CoursePurchaseOrder::getAppUserId, userId)
+ .eq(CoursePurchaseOrder::getCourseType, COURSE_TYPE_HEALTH)
+ .eq(CoursePurchaseOrder::getCourseId, courseId)
+ .eq(CoursePurchaseOrder::getStatus, ORDER_STATUS_PAID)
+ .eq(CoursePurchaseOrder::getDeleted, 0)
+ .orderByDesc(CoursePurchaseOrder::getPaidAt)
+ .orderByDesc(CoursePurchaseOrder::getId));
+ return orders == null ? Collections.<CoursePurchaseOrder>emptyList() : orders;
+ }
+
+ /**
+ * 查询用户当前课程最近一条有效整课订单。
+ */
+ private CoursePurchaseOrder findLatestActivePaidCourseOrder(Long userId, Long courseId) {
+ return coursePurchaseOrderMapper.selectOne(new LambdaQueryWrapper<CoursePurchaseOrder>()
+ .eq(CoursePurchaseOrder::getAppUserId, userId)
+ .eq(CoursePurchaseOrder::getCourseType, COURSE_TYPE_HEALTH)
+ .eq(CoursePurchaseOrder::getPurchaseTargetType, PURCHASE_TARGET_COURSE)
+ .eq(CoursePurchaseOrder::getCourseId, courseId)
+ .eq(CoursePurchaseOrder::getStatus, ORDER_STATUS_PAID)
+ .eq(CoursePurchaseOrder::getDeleted, 0)
+ .orderByDesc(CoursePurchaseOrder::getPaidAt)
+ .orderByDesc(CoursePurchaseOrder::getId)
+ .last("LIMIT 1"));
+ }
+
+ /**
+ * 查询用户当前课程最近一条有效小节订单。
+ */
+ private CoursePurchaseOrder findLatestActivePaidVideoOrder(Long userId, Long courseId, Long videoId) {
+ return coursePurchaseOrderMapper.selectOne(new LambdaQueryWrapper<CoursePurchaseOrder>()
+ .eq(CoursePurchaseOrder::getAppUserId, userId)
+ .eq(CoursePurchaseOrder::getCourseType, COURSE_TYPE_HEALTH)
+ .eq(CoursePurchaseOrder::getPurchaseTargetType, PURCHASE_TARGET_CHAPTER)
+ .eq(CoursePurchaseOrder::getCourseId, courseId)
+ .eq(CoursePurchaseOrder::getCourseVideoId, videoId)
+ .eq(CoursePurchaseOrder::getStatus, ORDER_STATUS_PAID)
+ .eq(CoursePurchaseOrder::getDeleted, 0)
+ .orderByDesc(CoursePurchaseOrder::getPaidAt)
+ .orderByDesc(CoursePurchaseOrder::getId)
+ .last("LIMIT 1"));
+ }
+
+ /**
+ * 查询用户当前课程有效的会员加课记录。
+ */
+ private HealthCourseMemberJoinRecord findMemberJoinRecord(Long courseId, Long userId) {
+ return healthCourseMemberJoinRecordMapper.selectOne(new LambdaQueryWrapper<HealthCourseMemberJoinRecord>()
+ .eq(HealthCourseMemberJoinRecord::getCourseId, courseId)
+ .eq(HealthCourseMemberJoinRecord::getAppUserId, userId)
+ .eq(HealthCourseMemberJoinRecord::getDeleted, 0)
+ .orderByDesc(HealthCourseMemberJoinRecord::getJoinedAt)
+ .orderByDesc(HealthCourseMemberJoinRecord::getId)
+ .last("LIMIT 1"));
+ }
+
+ /**
+ * 组装整课订单数据，支付方案落地前直接记为已支付。
+ */
+ private CoursePurchaseOrder buildCourseOrder(AppUser user, HealthCourse course, String paymentMethod, LocalDateTime now) {
+ CoursePurchaseOrder order = new CoursePurchaseOrder();
+ order.setOrderNo(buildOrderNo(user.getId(), now));
+ order.setAppUserId(user.getId());
+ order.setUserNickname(resolveUserNickname(user));
+ order.setUserPhone(trimToEmpty(user.getPhone()));
+ order.setCourseType(COURSE_TYPE_HEALTH);
+ order.setPurchaseTargetType(PURCHASE_TARGET_COURSE);
+ order.setCourseId(course.getId());
+ order.setCourseVideoId(null);
+ order.setProductNameSnapshot(trimToEmpty(course.getTitle()));
+ order.setCourseTitleSnapshot(trimToEmpty(course.getTitle()));
+ order.setChapterNameSnapshot(null);
+ order.setCoverImgSnapshot(trimToEmpty(course.getCoverImg()));
+ order.setOrderAmount(defaultPrice(course.getSalePrice()));
+ order.setPaymentMethod(paymentMethod);
+ order.setRefundAmount(null);
+ order.setRefundRemark(null);
+ order.setStatus(ORDER_STATUS_PAID);
+ order.setPaidAt(now);
+ order.setRefundedAt(null);
+ order.setCancelledAt(null);
+ order.setDeleted(0);
+ return order;
+ }
+
+ /**
+ * 组装课程小节订单数据，支付方案落地前直接记为已支付。
+ */
+ private CoursePurchaseOrder buildVideoOrder(AppUser user,
+ HealthCourse course,
+ HealthCourseVideo video,
+ String paymentMethod,
+ LocalDateTime now) {
+ CoursePurchaseOrder order = new CoursePurchaseOrder();
+ order.setOrderNo(buildOrderNo(user.getId(), now));
+ order.setAppUserId(user.getId());
+ order.setUserNickname(resolveUserNickname(user));
+ order.setUserPhone(trimToEmpty(user.getPhone()));
+ order.setCourseType(COURSE_TYPE_HEALTH);
+ order.setPurchaseTargetType(PURCHASE_TARGET_CHAPTER);
+ order.setCourseId(course.getId());
+ order.setCourseVideoId(video.getId());
+ order.setProductNameSnapshot(trimToEmpty(course.getTitle()) + "-" + trimToEmpty(video.getChapterName()));
+ order.setCourseTitleSnapshot(trimToEmpty(course.getTitle()));
+ order.setChapterNameSnapshot(trimToEmpty(video.getChapterName()));
+ order.setCoverImgSnapshot(trimToEmpty(course.getCoverImg()));
+ order.setOrderAmount(defaultPrice(video.getSalePrice()));
+ order.setPaymentMethod(paymentMethod);
+ order.setRefundAmount(null);
+ order.setRefundRemark(null);
+ order.setStatus(ORDER_STATUS_PAID);
+ order.setPaidAt(now);
+ order.setRefundedAt(null);
+ order.setCancelledAt(null);
+ order.setDeleted(0);
+ return order;
+ }
+
+ /**
+ * 组装购买结果响应，供详情页直接回写购买态。
+ */
+ private AppHealthCoursePurchaseResultVO buildPurchaseResult(CoursePurchaseOrder order,
+ boolean coursePurchased,
+ List<Long> purchasedVideoIds) {
+ AppHealthCoursePurchaseResultVO resultVO = new AppHealthCoursePurchaseResultVO();
+ resultVO.setOrderId(order == null ? null : order.getId());
+ resultVO.setOrderNo(order == null ? null : order.getOrderNo());
+ resultVO.setPaymentMethod(order == null ? null : order.getPaymentMethod());
+ resultVO.setStatus(order == null ? ORDER_STATUS_PAID : order.getStatus());
+ resultVO.setPaidAt(order == null ? null : order.getPaidAt());
+ resultVO.setCoursePurchased(Boolean.valueOf(coursePurchased));
+ resultVO.setPurchasedVideoIds(purchasedVideoIds == null ? Collections.<Long>emptyList() : purchasedVideoIds);
+ return resultVO;
+ }
+
+ /**
+ * 校验当前登录用户存在且可用。
+ */
+ private AppUser requireEnabledUser(Long userId) {
+ AppUser user = userMapper.selectById(userId);
+ if (user == null || user.getDeleted() == null || user.getDeleted().intValue() != 0) {
+ throw new IllegalArgumentException("用户不存在");
+ }
+ if (user.getStatus() == null || user.getStatus().intValue() != 1) {
+ throw new IllegalArgumentException("用户已禁用");
+ }
+ return user;
+ }
+
+ /**
+ * 校验课程小节存在、归属正确且已启用。
+ */
+ private HealthCourseVideo requireEnabledVideo(Long courseId, Long videoId) {
+ HealthCourseVideo video = healthCourseVideoMapper.selectById(videoId);
+ if (video == null || video.getDeleted() == null || video.getDeleted().intValue() != 0
+ || video.getStatus() == null || video.getStatus().intValue() != VIDEO_STATUS_ENABLED) {
+ throw new IllegalArgumentException("课程小节不存在");
+ }
+ if (!courseId.equals(video.getCourseId())) {
+ throw new IllegalArgumentException("课程小节不存在");
+ }
+ return video;
+ }
+
+ /**
+ * 规范化支付方式入参，仅允许微信或支付宝。
+ */
+ private String normalizePaymentMethod(String paymentMethod) {
+ String normalized = trimToEmpty(paymentMethod).toUpperCase();
+ if (PAYMENT_METHOD_WECHAT.equals(normalized) || PAYMENT_METHOD_ALIPAY.equals(normalized)) {
+ return normalized;
+ }
+ throw new IllegalArgumentException("支付方式不合法");
+ }
+
+ /**
+ * 生成课程订单号。
+ */
+ private String buildOrderNo(Long userId, LocalDateTime now) {
+ String seed = String.valueOf(Math.abs((userId == null ? 0L : userId.longValue()) % 10000L));
+ int nanoTail = Math.abs(now.getNano() / 1000) % 1000000;
+ return "CPO" + ORDER_NO_TIME_FORMATTER.format(now)
+ + String.format("%06d", nanoTail)
+ + String.format("%04d", Integer.parseInt(seed));
+ }
+
+ /**
+ * 优先使用昵称快照，没有昵称时降级到微信昵称或用户编号。
+ */
+ private String resolveUserNickname(AppUser user) {
+ String nickname = trimToEmpty(user.getNickname());
+ if (!nickname.isEmpty()) {
+ return nickname;
+ }
+ String wechatNickname = trimToEmpty(user.getWechatNickname());
+ if (!wechatNickname.isEmpty()) {
+ return wechatNickname;
+ }
+ return "用户" + user.getId();
+ }
+
+ /**
+ * 判断用户当前是否仍属于有效会员。
+ */
+ private boolean isActiveMember(AppUser user) {
+ return user != null && user.getMemberExpireAt() != null && user.getMemberExpireAt().isAfter(LocalDateTime.now());
+ }
+
+ /**
+ * 读取用户对课程的最新收藏操作记录。
+ */
+ private HealthCourseFavoriteRecord findLatestFavoriteRecord(Long courseId, Long userId) {
+ return healthCourseFavoriteRecordMapper.selectOne(new LambdaQueryWrapper<HealthCourseFavoriteRecord>()
+ .eq(HealthCourseFavoriteRecord::getCourseId, courseId)
+ .eq(HealthCourseFavoriteRecord::getAppUserId, userId)
+ .orderByDesc(HealthCourseFavoriteRecord::getActionTime)
+ .orderByDesc(HealthCourseFavoriteRecord::getId)
+ .last("LIMIT 1"));
+ }
+
+ /**
+ * 判断最新操作是否表示当前仍处于已收藏状态。
+ */
+ private boolean isFavorited(HealthCourseFavoriteRecord latestRecord) {
+ return latestRecord != null && ACTION_TYPE_FAVORITE.equalsIgnoreCase(trimToEmpty(latestRecord.getActionType()));
+ }
+
+ /**
+ * 写入一条收藏流水记录。
+ */
+ private void insertFavoriteRecord(Long courseId, Long userId, String actionType) {
+ HealthCourseFavoriteRecord record = new HealthCourseFavoriteRecord();
+ record.setCourseId(courseId);
+ record.setAppUserId(userId);
+ record.setActionType(actionType);
+ record.setActionTime(LocalDateTime.now());
+ healthCourseFavoriteRecordMapper.insert(record);
+ }
+
+ /**
+ * 更新课程收藏计数，仅在状态发生切换时调用。
+ */
+ private void updateFavoriteCount(Long courseId, boolean increase) {
+ LambdaUpdateWrapper<HealthCourse> updateWrapper = new LambdaUpdateWrapper<HealthCourse>()
+ .eq(HealthCourse::getId, courseId);
+ if (increase) {
+ updateWrapper.setSql("favorite_count = COALESCE(favorite_count, 0) + 1");
+ } else {
+ updateWrapper.setSql("favorite_count = GREATEST(COALESCE(favorite_count, 0) - 1, 0)");
+ }
+ healthCourseMapper.update(null, updateWrapper);
+ }
+
+ /**
+ * 构造收藏操作返回结果，避免控制器层重复拼装。
+ */
+ private AppHealthCourseFavoriteResultVO buildFavoriteResult(Long courseId, boolean favorited, Integer favoriteCount) {
+ AppHealthCourseFavoriteResultVO resultVO = new AppHealthCourseFavoriteResultVO();
+ resultVO.setCourseId(courseId);
+ resultVO.setFavorited(Boolean.valueOf(favorited));
+ resultVO.setFavoriteCount(Integer.valueOf(Math.max(defaultNumber(favoriteCount), 0)));
+ return resultVO;
+ }
+
+ /**
+ * 校验课程存在且为启用状态。
+ */
+ private HealthCourse requireEnabledCourse(Long courseId) {
+ HealthCourse course = healthCourseMapper.selectById(courseId);
+ if (course == null || course.getDeleted() == null || course.getDeleted().intValue() != 0
+ || course.getStatus() == null || course.getStatus().intValue() != COURSE_STATUS_ENABLED) {
+ throw new IllegalArgumentException("养生课程不存在");
+ }
+ return course;
}
/**
@@ -338,4 +854,63 @@
String trimmed = value.trim();
return trimmed.isEmpty() ? "" : trimmed;
}
+
+ /**
+ * 读取当前系统配置的客服电话，未配置时返回空字符串。
+ */
+ private String resolveServicePhone() {
+ SystemSettingsVO systemSettings = systemSettingsAppService.current();
+ if (systemSettings == null) {
+ return "";
+ }
+ return trimToEmpty(systemSettings.getServicePhone());
+ }
+
+ /**
+ * APP 课程购买态快照。
+ */
+ private static final class PurchaseStateSnapshot {
+
+ private final boolean member;
+ private final boolean memberCourseJoined;
+ private final boolean courseOwned;
+ private final boolean coursePurchased;
+ private final List<Long> purchasedVideoIds;
+
+ private PurchaseStateSnapshot(boolean member,
+ boolean memberCourseJoined,
+ boolean courseOwned,
+ boolean coursePurchased,
+ List<Long> purchasedVideoIds) {
+ this.member = member;
+ this.memberCourseJoined = memberCourseJoined;
+ this.courseOwned = courseOwned;
+ this.coursePurchased = coursePurchased;
+ this.purchasedVideoIds = purchasedVideoIds == null ? Collections.<Long>emptyList() : purchasedVideoIds;
+ }
+
+ private static PurchaseStateSnapshot empty() {
+ return new PurchaseStateSnapshot(false, false, false, false, Collections.<Long>emptyList());
+ }
+
+ private boolean isMember() {
+ return member;
+ }
+
+ private boolean isMemberCourseJoined() {
+ return memberCourseJoined;
+ }
+
+ private boolean isCourseOwned() {
+ return courseOwned;
+ }
+
+ private boolean isCoursePurchased() {
+ return coursePurchased;
+ }
+
+ private List<Long> getPurchasedVideoIds() {
+ return purchasedVideoIds;
+ }
+ }
}
--
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