From 882edc4b8ac7cb11ec9d536b5573df2c7ed512ef Mon Sep 17 00:00:00 2001
From: jiangqs <jiangqs>
Date: 星期四, 20 七月 2023 20:22:12 +0800
Subject: [PATCH] bug

---
 ruoyi-modules/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/config/ArticleServiceImpl.java |  107 ++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 files changed, 101 insertions(+), 6 deletions(-)

diff --git a/ruoyi-modules/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/config/ArticleServiceImpl.java b/ruoyi-modules/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/config/ArticleServiceImpl.java
index 13b007b..2d95f6e 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/config/ArticleServiceImpl.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/config/ArticleServiceImpl.java
@@ -4,17 +4,26 @@
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.ruoyi.common.core.exception.ServiceException;
+import com.ruoyi.common.core.utils.StringUtils;
+import com.ruoyi.common.core.utils.bean.BeanUtils;
 import com.ruoyi.system.api.constant.AppErrorConstant;
 import com.ruoyi.system.api.domain.dto.MgtBaseGetDto;
+import com.ruoyi.system.api.domain.dto.MgtClassNumDto;
 import com.ruoyi.system.domain.dto.MgtArticleEditDto;
 import com.ruoyi.system.domain.dto.MgtArticlePageDto;
 import com.ruoyi.system.domain.pojo.config.Article;
+import com.ruoyi.system.domain.vo.AppArticleGetVo;
+import com.ruoyi.system.domain.vo.AppArticlePageVo;
+import com.ruoyi.system.domain.vo.MgtArticleGetVo;
 import com.ruoyi.system.domain.vo.MgtArticlePageVo;
 import com.ruoyi.system.mapper.config.ArticleMapper;
 import com.ruoyi.system.service.config.ArticleService;
+import com.ruoyi.system.service.config.SysClassificationService;
 import org.springframework.stereotype.Service;
 
 import javax.annotation.Resource;
+import java.nio.charset.StandardCharsets;
+import java.util.Base64;
 import java.util.Date;
 import java.util.List;
 
@@ -31,6 +40,9 @@
 
     @Resource
     private ArticleMapper articleMapper;
+
+    @Resource
+    private SysClassificationService sysClassificationService;
 
     /**
      * @description  删除文章分类
@@ -66,31 +78,66 @@
      */
     @Override
     public void editMgtArticle(MgtArticleEditDto mgtArticleEditDto){
+        // 创建MgtClassNumDto对象
+        MgtClassNumDto mgtClassNumDto = new MgtClassNumDto();
+        // 创建Article对象
         Article article;
-        Article articleSame = this.getOne(new LambdaQueryWrapper<Article>().eq(Article::getDelFlag,0).eq(Article::getArticleTitle,mgtArticleEditDto.getArticleTitle()),false);
-        if(mgtArticleEditDto.getArticleId()!=null){
-            if(articleSame!=null&&!articleSame.getArticleId().equals(mgtArticleEditDto.getArticleId())){
+        // 根据文章标题查询文章是否存在
+        Article articleSame = this.getOne(new LambdaQueryWrapper<Article>()
+                .eq(Article::getDelFlag, 0)
+                .eq(Article::getArticleTitle, mgtArticleEditDto.getArticleTitle()), false);
+        // 如果文章ID不为空
+        if (mgtArticleEditDto.getArticleId() != null) {
+            // 如果存在相同标题的文章并且文章ID不同,则抛出异常
+            if (articleSame != null && !articleSame.getArticleId().equals(mgtArticleEditDto.getArticleId())) {
                 throw new ServiceException(AppErrorConstant.ARTICLE_DOUBLE);
             }
+            // 根据文章ID获取文章对象
             article = this.getById(mgtArticleEditDto.getArticleId());
-        }else{
-            if(articleSame!=null){
+            // 如果类别ID不为空并且文章的类别ID不为空并且类别ID不同,则设置子类别ID和新增类别ID
+            if (mgtArticleEditDto.getClassId() != null && article.getClassId() != null
+                    && !mgtArticleEditDto.getClassId().equals(article.getClassId())) {
+                mgtClassNumDto.setSubClassId(article.getClassId());
+                mgtClassNumDto.setAddClassId(mgtArticleEditDto.getClassId());
+            }
+            // 如果类别ID不为空并且文章的类别ID为空,则设置新增类别ID
+            else if (mgtArticleEditDto.getClassId() != null && article.getClassId() == null) {
+                mgtClassNumDto.setAddClassId(mgtArticleEditDto.getClassId());
+            }
+        }
+        // 如果文章ID为空
+        else {
+            // 如果存在相同标题的文章,则抛出异常
+            if (articleSame != null) {
                 throw new ServiceException(AppErrorConstant.ARTICLE_DOUBLE);
             }
+            // 创建新的文章对象
             article = new Article();
             article.setDelFlag(0);
             article.setCreateTime(new Date());
             article.setCreateUserId(mgtArticleEditDto.getUserId());
+            mgtClassNumDto.setAddClassId(mgtArticleEditDto.getClassId());
         }
+        // 设置文章的类别ID、排序、标题、简介、封面、视频、更新时间和更新用户ID
         article.setClassId(mgtArticleEditDto.getClassId());
         article.setArticleSort(mgtArticleEditDto.getArticleSort());
         article.setArticleTitle(mgtArticleEditDto.getArticleTitle());
-        article.setArticleDetail(mgtArticleEditDto.getArticleDetail());
+        article.setArticleIntroduce(mgtArticleEditDto.getArticleIntroduce());
         article.setArticleCover(mgtArticleEditDto.getArticleCover());
         article.setArticleVideo(mgtArticleEditDto.getArticleVideo());
         article.setUpdateTime(new Date());
         article.setUpdateUserId(mgtArticleEditDto.getUserId());
+        // 处理文章详情
+        String articleDetail = mgtArticleEditDto.getArticleDetail();
+        if (StringUtils.isNotBlank(articleDetail)) {
+            byte[] decodedBytes = Base64.getDecoder().decode(articleDetail);
+            articleDetail = new String(decodedBytes, StandardCharsets.UTF_8);
+            article.setArticleDetail(articleDetail);
+        }
+        // 保存或更新文章
         this.saveOrUpdate(article);
+        // 更新类别数量
+        sysClassificationService.changeClassNum(mgtClassNumDto);
     }
 
 
@@ -108,5 +155,53 @@
         article.setUpdateTime(new Date());
         article.setUpdateUserId(mgtBaseGetDto.getUserId());
         this.saveOrUpdate(article);
+        if(article.getClassId()!=null){
+            MgtClassNumDto mgtClassNumDto = new MgtClassNumDto();
+            mgtClassNumDto.setSubClassId(article.getClassId());
+            sysClassificationService.changeClassNum(mgtClassNumDto);
+        }
+
+    }
+
+    /**
+     * @description  获取文章
+     * @author  jqs
+     * @date    2023/7/13 11:00
+     * @param articleId
+     * @return  MgtArticleGetVo
+     */
+    @Override
+    public MgtArticleGetVo getArticle(Long articleId){
+        MgtArticleGetVo mgtArticleGetVo = new MgtArticleGetVo();
+        Article article = this.getById(articleId);
+        BeanUtils.copyProperties(article,mgtArticleGetVo);
+        return mgtArticleGetVo;
+    }
+
+    /**
+     * @description  通过分类id获取文章
+     * @author  jqs
+     * @date    2023/7/13 11:37
+     * @param classId
+     * @return  List<AppClassListVo>
+     */
+    @Override
+    public List<AppArticlePageVo> listArticleByClass(Page page, Long classId){
+        return articleMapper.listArticleByClass(page, classId);
+    }
+
+    /**
+     * @description
+     * @author  jqs
+     * @date    2023/7/13 11:57
+     * @param articleId
+     * @return  AppArticleGetVo
+     */
+    @Override
+    public AppArticleGetVo getAppArticle (Long articleId){
+        AppArticleGetVo appArticleGetVo = new AppArticleGetVo();
+        Article article = this.getById(articleId);
+        BeanUtils.copyProperties(article,appArticleGetVo);
+        return appArticleGetVo;
     }
 }

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