feat: 添加爬虫状态更新中的显示支持

在爬虫状态列中增加"正在更新"状态显示，并在爬虫过程中更新状态

frontend/src/components/CrawlInfo.vue

@@ -24,9 +24,20 @@
             {{ formatDateTime(row.latestPublishDate) }}
           </template>
         </el-table-column>
-        <el-table-column label="状态" width="70">
+        <el-table-column label="状态" width="80">
           <template #default="{ row }">
-            <el-tag :type="row.error && row.error.trim() ? 'danger' : (row.count > 0 ? 'success' : 'info')" size="small">
+            <el-tag
+              v-if="row.count === -1"
+              type="warning"
+              size="small"
+            >
+              正在更新...
+            </el-tag>
+            <el-tag
+              v-else
+              :type="row.error && row.error.trim() ? 'danger' : (row.count > 0 ? 'success' : 'info')"
+              size="small"
+            >
               {{ row.error && row.error.trim() ? '出错' : (row.count > 0 ? '正常' : '无数据') }}
             </el-tag>
           </template>

src/crawler/crawler.controller.ts

@@ -49,7 +49,17 @@ export class CrawlerController {
     this.crawlingSources.add(sourceName);
 
     try {
+      // 设置状态为正在更新（count = -1）
+      await this.crawlerService.updateCrawlStatus(sourceName, -1);
+
       const result = await this.crawlerService.crawlSingleSource(sourceName);
+
+      // 更新状态为实际数量
+      await this.crawlerService.updateCrawlStatus(
+        sourceName,
+        result.success ? result.count : 0,
+      );
+
       return result;
     } finally {
       this.crawlingSources.delete(sourceName);

src/crawler/services/bid-crawler.service.ts

@@ -430,4 +430,38 @@ export class BidCrawlerService {
       );
     }
   }
+
+  // 更新爬虫状态，count = -1 表示正在更新
+  async updateCrawlStatus(source: string, count: number) {
+    try {
+      // 使用原生查询实现 upsert 逻辑
+      await this.crawlInfoRepository.manager.transaction(
+        async (manager) => {
+          // 检查记录是否存在
+          const existing = await manager.findOne(CrawlInfoAdd, {
+            where: { source },
+          });
+
+          if (existing) {
+            // 更新现有记录
+            await manager.update(CrawlInfoAdd, { source }, { count });
+          } else {
+            // 插入新记录
+            await manager.save(CrawlInfoAdd, {
+              source,
+              count,
+              latestPublishDate: null,
+              error: null,
+            });
+          }
+        },
+      );
+      this.logger.log(`Updated crawl status for ${source}: ${count}`);
+    } catch (err) {
+      const errorMessage = err instanceof Error ? err.message : String(err);
+      this.logger.error(
+        `Failed to update crawl status for ${source}: ${errorMessage}`,
+      );
+    }
+  }
 }