From 063bfbde12cddc8ca518a8356f261fc3c6f0e91f Mon Sep 17 00:00:00 2001 From: wangzhiwei Date: Thu, 29 Jan 2026 14:13:02 +0800 Subject: [PATCH] =?UTF-8?q?feat(content):=20=E6=B7=BB=E5=8A=A0=E5=86=85?= =?UTF-8?q?=E5=AE=B9=E6=9F=A5=E7=9C=8B=E8=AE=B0=E5=BD=95=E5=92=8C=E6=94=B6?= =?UTF-8?q?=E8=97=8F=E5=8A=9F=E8=83=BD?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit - 实现通过主键查询内容时支持用户ID参数 - 添加用户查看记录功能，防止5分钟内的重复记录 - 实现内容收藏和取消收藏功能 - 添加用户是否已收藏内容的检查方法 - 集成查看记录和收藏记录的数据持久化操作 - 在收藏操作时同步更新内容的点赞数量统计 --- .../skills/service/CmsContentService.java | 37 +++++ .../service/impl/CmsContentServiceImpl.java | 133 ++++++++++++++++++ 2 files changed, 170 insertions(+) diff --git a/src/main/java/com/kexue/skills/service/CmsContentService.java b/src/main/java/com/kexue/skills/service/CmsContentService.java index 5c6c845..4f07cee 100644 --- a/src/main/java/com/kexue/skills/service/CmsContentService.java +++ b/src/main/java/com/kexue/skills/service/CmsContentService.java @@ -37,6 +37,15 @@ public interface CmsContentService extends BaseService { */ CmsContent queryById(Long contentId); + /** + * 通过主键查询单条数据，带用户ID + * + * @param contentId 主键 + * @param userId 用户ID + * @return 实例对象 + */ + CmsContent queryById(Long contentId, Long userId); + /** * 新增数据 * @@ -101,4 +110,32 @@ public interface CmsContentService extends BaseService { * @return 影响行数 */ int deleteById(Long contentId); + + /** + * 添加收藏 + * + * @param contentId 内容ID + * @param userId 用户ID + * @param userName 用户名 + * @return 影响行数 + */ + int addFavorite(Long contentId, Long userId, String userName); + + /** + * 取消收藏 + * + * @param contentId 内容ID + * @param userId 用户ID + * @return 影响行数 + */ + int removeFavorite(Long contentId, Long userId); + + /** + * 检查用户是否已收藏该内容 + * + * @param contentId 内容ID + * @param userId 用户ID + * @return 是否已收藏 + */ + boolean isFavorited(Long contentId, Long userId); } \ No newline at end of file diff --git a/src/main/java/com/kexue/skills/service/impl/CmsContentServiceImpl.java b/src/main/java/com/kexue/skills/service/impl/CmsContentServiceImpl.java index ba3eddc..071b4b6 100644 --- a/src/main/java/com/kexue/skills/service/impl/CmsContentServiceImpl.java +++ b/src/main/java/com/kexue/skills/service/impl/CmsContentServiceImpl.java @@ -3,8 +3,12 @@ package com.kexue.skills.service.impl; import com.github.pagehelper.PageHelper; import com.github.pagehelper.PageInfo; import com.kexue.skills.entity.CmsContent; +import com.kexue.skills.entity.CmsContentView; +import com.kexue.skills.entity.CmsContentLike; import com.kexue.skills.entity.dto.CmsContentDto; import com.kexue.skills.mapper.CmsContentMapper; +import com.kexue.skills.mapper.CmsContentViewMapper; +import com.kexue.skills.mapper.CmsContentLikeMapper; import com.kexue.skills.service.CmsContentService; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Transactional; @@ -24,6 +28,12 @@ import java.util.List; public class CmsContentServiceImpl implements CmsContentService { @Resource private CmsContentMapper cmsContentMapper; + + @Resource + private CmsContentViewMapper cmsContentViewMapper; + + @Resource + private CmsContentLikeMapper cmsContentLikeMapper; /** * 分页查询 @@ -60,6 +70,47 @@ public class CmsContentServiceImpl implements CmsContentService { return this.cmsContentMapper.queryById(contentId); } + /** + * 通过主键查询单条数据，带用户ID + * + * @param contentId 主键 + * @param userId 用户ID + * @return 实例对象 + */ + @Override + public CmsContent queryById(Long contentId, Long userId) { + CmsContent content = this.cmsContentMapper.queryById(contentId); + if (content == null) { + return null; + } + + // 如果用户ID不为空，添加用户查看记录 + if (userId != null) { + // 检查用户是否已经查看过该内容（5分钟内） + CmsContentView existingView = cmsContentViewMapper.queryByUserIdAndContentId(userId, contentId); + if (existingView == null) { + // 新增查看记录 + CmsContentView viewRecord = new CmsContentView(); + viewRecord.setUserId(userId); + viewRecord.setContentId(contentId); + viewRecord.setContentTitle(content.getTitle()); + viewRecord.setViewTime(new Date()); + viewRecord.setDeleteFlag(0); + cmsContentViewMapper.insert(viewRecord); + } else { + // 检查是否超过5分钟 + Date fiveMinutesAgo = new Date(System.currentTimeMillis() - 5 * 60 * 1000); + if (existingView.getViewTime().before(fiveMinutesAgo)) { + // 更新查看时间 + existingView.setViewTime(new Date()); + cmsContentViewMapper.update(existingView); + } + } + } + + return content; + } + /** * 通过主键查询单条数据，带权限检查 * @@ -197,4 +248,86 @@ public class CmsContentServiceImpl implements CmsContentService { public int deleteById(Long contentId) { return this.cmsContentMapper.deleteById(contentId); } + + /** + * 添加收藏 + * + * @param contentId 内容ID + * @param userId 用户ID + * @param userName 用户名 + * @return 影响行数 + */ + @Override + public int addFavorite(Long contentId, Long userId, String userName) { + // 检查内容是否存在 + CmsContent content = this.cmsContentMapper.queryById(contentId); + if (content == null) { + return 0; + } + + // 检查用户是否已经收藏过该内容 + CmsContentLike existingLike = cmsContentLikeMapper.queryByUserIdAndContentId(userId, contentId); + if (existingLike != null) { + return 0; // 已经收藏过，不允许再次收藏 + } + + // 新增收藏记录 + CmsContentLike likeRecord = new CmsContentLike(); + likeRecord.setUserId(userId); + likeRecord.setUserName(userName); + likeRecord.setContentId(contentId); + likeRecord.setContentTitle(content.getTitle()); + likeRecord.setLikeTime(new Date()); + likeRecord.setDeleteFlag(0); + + // 增加内容的点赞数 + content.setLikeCount(content.getLikeCount() + 1); + this.cmsContentMapper.update(content); + + return cmsContentLikeMapper.insert(likeRecord); + } + + /** + * 取消收藏 + * + * @param contentId 内容ID + * @param userId 用户ID + * @return 影响行数 + */ + @Override + public int removeFavorite(Long contentId, Long userId) { + // 检查用户是否已经收藏过该内容 + CmsContentLike existingLike = cmsContentLikeMapper.queryByUserIdAndContentId(userId, contentId); + if (existingLike == null) { + return 0; // 没有收藏过，无需取消 + } + + // 删除收藏记录 + int result = cmsContentLikeMapper.deleteById(existingLike.getLikeId()); + + // 减少内容的点赞数 + CmsContent content = this.cmsContentMapper.queryById(contentId); + if (content != null && content.getLikeCount() > 0) { + content.setLikeCount(content.getLikeCount() - 1); + this.cmsContentMapper.update(content); + } + + return result; + } + + /** + * 检查用户是否已收藏该内容 + * + * @param contentId 内容ID + * @param userId 用户ID + * @return 是否已收藏 + */ + @Override + public boolean isFavorited(Long contentId, Long userId) { + if (userId == null) { + return false; + } + CmsContentLike existingLike = cmsContentLikeMapper.queryByUserIdAndContentId(userId, contentId); + return existingLike != null; + } } \ No newline at end of file