fix(cms): 处理栏目模型为null的情况并添加日志警告

- CmsArticleServiceImpl中新增@Slf4j注解支持日志输出
- 保存文章时，增加cmsNavigation.getModelInfo()为null的判断，避免空指针异常
- 模型信息不存在时，记录警告日志提醒栏目未关联模型
- 修正CmsNavigationServiceImpl中获取模型信息时的null处理
- 只有模型信息不为空且banner为空时才赋值栏目banner和mpBanner
- 增强代码健壮性，避免空模型导致相关操作失败或异常

src/main/java/com/gxwebsoft/cms/service/impl/CmsArticleServiceImpl.java

@@ -18,6 +18,7 @@ import com.gxwebsoft.common.core.utils.RedisUtil;
 import com.gxwebsoft.common.core.web.PageParam;
 import com.gxwebsoft.common.core.web.PageResult;
 import com.gxwebsoft.common.system.service.UserService;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.context.annotation.Lazy;
 import org.springframework.stereotype.Service;
 import org.springframework.util.CollectionUtils;
@@ -37,6 +38,7 @@ import static com.gxwebsoft.common.core.constants.ArticleConstants.CACHE_KEY_ART
  * @author 科技小王子
  * @since 2024-09-10 20:47:57
  */
+@Slf4j
 @Service
 public class CmsArticleServiceImpl extends ServiceImpl<CmsArticleMapper, CmsArticle> implements CmsArticleService {
   @Resource
@@ -145,7 +147,10 @@ public class CmsArticleServiceImpl extends ServiceImpl<CmsArticleMapper, CmsArti
     try {
       // 保存文章模型
       final CmsNavigation cmsNavigation = cmsNavigationService.getByIdRel(article.getCategoryId());
-      final CmsModel modelInfo = cmsNavigation.getModelInfo();
+      final CmsModel modelInfo = cmsNavigation != null ? cmsNavigation.getModelInfo() : null;
+      if (modelInfo == null) {
+        log.warn("栏目 {} 未关联到模型，跳过模型详情设置", article.getCategoryId());
+      } else {
       final String componentDetail = modelInfo.getComponentDetail();
       if (ObjectUtil.isNotEmpty(componentDetail)) {
         final String[] split = componentDetail.split("/");
@@ -156,6 +161,7 @@ public class CmsArticleServiceImpl extends ServiceImpl<CmsArticleMapper, CmsArti
           article.setDetail(split[2]);
         }
       }
+      }
       // 是否密码可见
       if (article.getPermission() != null && article.getPermission() == PERMISSION_PASSWORD) {
         article.setPassword(userService.encodePassword(article.getPassword()));
@@ -193,6 +199,9 @@ public class CmsArticleServiceImpl extends ServiceImpl<CmsArticleMapper, CmsArti
       // 模型信息
       if (ObjectUtil.isNotEmpty(cmsNavigation)) {
         final CmsModel modelInfo = cmsNavigation.getModelInfo();
+        if (modelInfo == null) {
+          log.warn("栏目 {} 未关联到模型，跳过模型详情设置", article.getCategoryId());
+        } else {
         final String componentDetail = modelInfo.getComponentDetail();
         if (ObjectUtil.isNotEmpty(componentDetail)) {
           final String[] split = componentDetail.split("/");
@@ -204,6 +213,7 @@ public class CmsArticleServiceImpl extends ServiceImpl<CmsArticleMapper, CmsArti
           }
         }
       }
+      }
       // 修正父级栏目ID
       if (article.getParentId().equals(0)) {
         final CmsNavigation current = cmsNavigationService.getById(article.getCategoryId());

src/main/java/com/gxwebsoft/cms/service/impl/CmsNavigationServiceImpl.java

@@ -76,10 +76,11 @@ public class CmsNavigationServiceImpl extends ServiceImpl<CmsNavigationMapper, C
         navigation.setDesign(cmsDesignService.getOne(new LambdaQueryWrapper<CmsDesign>().eq(CmsDesign::getCategoryId, navigation.getNavigationId()).last("limit 1")));
         // 所属模型
         if (StrUtil.isNotBlank(navigation.getModel())) {
-          navigation.setModelInfo(cmsModelService.getOne(new LambdaQueryWrapper<CmsModel>().eq(CmsModel::getModel, navigation.getModel()).last("limit 1")));
+          final CmsModel modelInfo = cmsModelService.getOne(new LambdaQueryWrapper<CmsModel>().eq(CmsModel::getModel, navigation.getModel()).last("limit 1"));
-          if (StrUtil.isBlank(navigation.getBanner())) {
+          navigation.setModelInfo(modelInfo);
-            navigation.setBanner(navigation.getModelInfo().getBanner());
+          if (modelInfo != null && StrUtil.isBlank(navigation.getBanner())) {
-            navigation.setMpBanner(navigation.getModelInfo().getThumb());
+            navigation.setBanner(modelInfo.getBanner());
+            navigation.setMpBanner(modelInfo.getThumb());
           }
         }
       return navigation;
@@ -178,10 +179,11 @@ public class CmsNavigationServiceImpl extends ServiceImpl<CmsNavigationMapper, C
     navigation.setDesign(cmsDesignService.getOne(new LambdaQueryWrapper<CmsDesign>().eq(CmsDesign::getCategoryId, navigation.getNavigationId()).last("limit 1")));
     // 所属模型
     if (StrUtil.isNotBlank(navigation.getModel())) {
-      navigation.setModelInfo(cmsModelService.getOne(new LambdaQueryWrapper<CmsModel>().eq(CmsModel::getModel, navigation.getModel()).last("limit 1")));
+      final CmsModel modelInfo = cmsModelService.getOne(new LambdaQueryWrapper<CmsModel>().eq(CmsModel::getModel, navigation.getModel()).last("limit 1"));
-      if (StrUtil.isBlank(navigation.getBanner())) {
+      navigation.setModelInfo(modelInfo);
-        navigation.setBanner(navigation.getModelInfo().getBanner());
+      if (modelInfo != null && StrUtil.isBlank(navigation.getBanner())) {
-        navigation.setMpBanner(navigation.getModelInfo().getThumb());
+        navigation.setBanner(modelInfo.getBanner());
+        navigation.setMpBanner(modelInfo.getThumb());
       }
     }
     return navigation;