ui: 下载商品数据前确认同步范围

frontend/src/views/ProductListView.vue

@@ -521,8 +521,25 @@ async function run(action, fn) {
   }
 }
 
-async function downloadProductData() {
+function confirmDownloadProductData() {
+  if (taskRunning.value || running.value) return
   const shopID = String(query.value.platformShopId || '').trim()
+  const shopName = shopOptions.value.find((shop) => String(shop.value) === shopID)?.label || shopID
+  dialog.warning({
+    title: '确认下载商品数据',
+    content: shopID
+      ? `将从 erpgo 下载店铺「${shopName}」的商品数据并更新本地记录，可能需要几分钟。`
+      : '未选择店铺，将从 erpgo 逐店铺下载所有店铺的商品数据并更新本地记录，可能需要几分钟。',
+    positiveText: '开始下载',
+    negativeText: '取消',
+    onPositiveClick: () => {
+      if (taskRunning.value || running.value) return
+      void downloadProductData(shopID)
+    },
+  })
+}
+
+async function downloadProductData(shopID) {
   // 商品多的店铺要拉几十页，耗时十几秒到几分钟。
   // 必须先给出可见反馈，否则按钮看起来像坏了。
   running.value = '下载数据'
@@ -893,7 +910,7 @@ onUnmounted(() => {
           type="primary"
           :loading="running === '下载数据'"
           :disabled="taskRunning || running !== ''"
-          @click="downloadProductData"
+          @click="confirmDownloadProductData"
         >
           下载数据
         </n-button>