feat: 支持邀请好友功能

packages/app/src/stores/invite.ts

@@ -1,26 +1,40 @@
 import { defineStore } from 'pinia'
 import { ref } from 'vue'
-import type { InviteActivitySummary } from '@mp-pilates/shared'
-import { get } from '../utils/request'
+import { get, post } from '../utils/request'
 
 export const useInviteStore = defineStore('invite', () => {
-  const activity = ref<InviteActivitySummary | null>(null)
-  const loading = ref(false)
-
-  async function fetchActivity() {
-    loading.value = true
+  const code = ref('')
+  const eligible = ref(false)
+  const pendingCode = ref('')
+  let revision = 0
+  let confirming = false
+  async function refresh() {
+    if (confirming) return
+    const requestRevision = ++revision
+    const result = await get<{ inviteCode: string; discountEligible: boolean }>('/invite/code')
+    if (requestRevision !== revision) return
+    code.value = result.inviteCode
+    eligible.value = result.discountEligible
+  }
+  async function confirm(value: string) {
+    const requestRevision = ++revision
+    confirming = true
     try {
-      activity.value = await get<InviteActivitySummary>('/invite/activity')
-      return activity.value
+      const result = await post<{ inviteCode: string; discountEligible: boolean }>('/invite/confirm', { code: value })
+      if (requestRevision !== revision) throw new Error('登录状态已变化，请重试')
+      code.value = result.inviteCode
+      eligible.value = result.discountEligible
+      pendingCode.value = ''
     } finally {
-      loading.value = false
+      confirming = false
     }
   }
-
-  return {
-    activity,
-    loading,
-    fetchActivity,
+  function reset() {
+    revision++
+    code.value = ''
+    eligible.value = false
+    pendingCode.value = ''
   }
+  function price(value: number) { return eligible.value ? Math.round(value * 95 / 100) : value }
+  return { code, eligible, pendingCode, refresh, confirm, reset, price }
 })
-