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web-admin/src/hooks/business/usePriceLetterPerm.ts

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+import { ref } from 'vue'
+import { fetchGetMenuCodes } from '@/api/auth'
+import { useUserStore } from '@/store/modules/user'
+
+const PRICE_LETTER_PERM_MAP: Record<string, string> = {
+  list: 'crm:priceLetter:list',
+  add: 'crm:priceLetter:add',
+  edit: 'crm:priceLetter:edit',
+  query: 'crm:priceLetter:query',
+  print: 'crm:priceLetter:print',
+  void: 'crm:priceLetter:void'
+}
+
+let cachedCodes: Set<string> | null = null
+let cachedAll = false
+let loadingPromise: Promise<void> | null = null
+
+function isSuperAdmin(userStore: ReturnType<typeof useUserStore>) {
+  const roles = userStore.info?.roles || []
+  return userStore.info?.role === 'super_admin' || roles.includes('super_admin')
+}
+
+export function usePriceLetterPerm() {
+  const userStore = useUserStore()
+  const ready = ref(cachedAll || !!cachedCodes)
+
+  async function loadPerms() {
+    if (cachedAll || cachedCodes) {
+      ready.value = true
+      return
+    }
+    if (isSuperAdmin(userStore)) {
+      cachedAll = true
+      ready.value = true
+      return
+    }
+    if (!loadingPromise) {
+      loadingPromise = fetchGetMenuCodes()
+        .then((res) => {
+          if (res?.all || res?.isSuperAdmin) {
+            cachedAll = true
+            cachedCodes = null
+          } else {
+            cachedCodes = new Set(res?.menuCodes || [])
+          }
+        })
+        .catch(() => {
+          cachedCodes = new Set()
+        })
+        .finally(() => {
+          ready.value = true
+          loadingPromise = null
+        })
+    }
+    await loadingPromise
+  }
+
+  function hasPriceLetterPerm(action: keyof typeof PRICE_LETTER_PERM_MAP | string) {
+    if (cachedAll || isSuperAdmin(userStore)) return true
+    const code = PRICE_LETTER_PERM_MAP[action] || String(action)
+    if (!cachedCodes) return true
+    return cachedCodes.has(code) || cachedCodes.has('crm:priceLetter:list')
+  }
+
+  return { ready, loadPerms, hasPriceLetterPerm }
+}