refactor(nc-gui): stop duplicating allRoles & check preview permissions separately

packages/nc-gui/composables/useUIPermission/index.ts

@@ -29,24 +29,26 @@ export function useUIPermission() {
     }),
   )
 
-  const isUIAllowed = (permission: Permission | string, skipPreviewAs = false) => {
+  const hasPermission = (role: Role | ProjectRole, hasRole: boolean, permission: Permission | string) => {
-    let roles = { ...allRoles.value }
+    const rolePermission = rolePermissions[role]
-
-    if (previewAs.value && !skipPreviewAs) {
-      roles = {
-        [previewAs.value]: true,
-      }
-    }
-
-    return Object.entries(roles).some(([role, hasRole]) => {
-      const rolePermission = rolePermissions[role as Role | ProjectRole]
 
     return (
       hasRole &&
       rolePermission &&
       ((isString(rolePermission) && rolePermission === '*') || rolePermission[permission as keyof typeof rolePermission])
     )
-    })
+  }
+
+  const isUIAllowed = (permission: Permission | string, skipPreviewAs = false) => {
+    let hasPreviewPermission = false
+    if (previewAs.value && !skipPreviewAs) {
+      hasPreviewPermission = hasPermission(previewAs.value, true, permission)
+    }
+
+    return (
+      hasPreviewPermission ||
+      Object.entries(allRoles.value).some(([role, hasRole]) => hasPermission(role as Role | ProjectRole, hasRole, permission))
+    )
   }
 
   return { isUIAllowed }