fix: 重写抽离store中的fetch方法并导出

stores/latest.ts

@@ -5,6 +5,13 @@ export const useLatestLogs = defineStore('latest_logs', () => {
   const transactionMap = ref<Map<string, Log>>(new Map());
 
   const startGetData = async () => {
+    await fetch();
+
+    // 每隔 10 秒重新获取数据
+    setTimeout(startGetData, 10 * 1000);
+  };
+
+  const fetch = async () => {
     const resp = await $fetch(`/api/product`, { retry: 3 });
     logs.value = resp.latest.map((log) => ({ ...log, uploadedAt: new Date(log.uploadedAt) }));
     // 将数据转换为 Map 方便查询
@@ -13,16 +20,14 @@ export const useLatestLogs = defineStore('latest_logs', () => {
       const key = `${log.name}-from${log.sourceCity}to${log.targetCity}`;
       transactionMap.value.set(key, log);
     });
-
-    // 每隔 10 秒重新获取数据
-    setTimeout(startGetData, 10 * 1000);
-  };
+  }
 
   return {
     logs,
     getLatestLog(sourceCity: string, productName: string, targetCity: string) {
       return transactionMap.value.get(`${productName}-from${sourceCity}to${targetCity}`);
     },
+    fetch,
     startGetData
   };
 });