优化目录结构

frontend/src/components/GlobalPopups.vue

@@ -0,0 +1,51 @@
+<template>
+  <div>
+    <ActivityPopup
+      :visible="showMilkTeaPopup"
+      :icon="milkTeaIcon"
+      text="建站送奶茶活动火热进行中，快来参与吧！"
+      @close="closeMilkTeaPopup"
+    />
+  </div>
+</template>
+
+<script>
+import ActivityPopup from './ActivityPopup.vue'
+import { API_BASE_URL } from '../main'
+
+export default {
+  name: 'GlobalPopups',
+  components: { ActivityPopup },
+  data () {
+    return {
+      showMilkTeaPopup: false,
+      milkTeaIcon: ''
+    }
+  },
+  async mounted () {
+    await this.checkMilkTeaActivity()
+  },
+  methods: {
+    async checkMilkTeaActivity () {
+      if (localStorage.getItem('milkTeaActivityPopupShown')) return
+      try {
+        const res = await fetch(`${API_BASE_URL}/api/activities`)
+        if (res.ok) {
+          const list = await res.json()
+          const a = list.find(i => i.type === 'MILK_TEA' && !i.ended)
+          if (a) {
+            this.milkTeaIcon = a.icon
+            this.showMilkTeaPopup = true
+          }
+        }
+      } catch (e) {
+        // ignore network errors
+      }
+    },
+    closeMilkTeaPopup () {
+      localStorage.setItem('milkTeaActivityPopupShown', 'true')
+      this.showMilkTeaPopup = false
+    }
+  }
+}
+</script>