Files
EM2_ERP/em2rp/lib/utils/permission_gate.dart

56 lines
1.5 KiB
Dart

import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:em2rp/models/role_model.dart';
import 'package:em2rp/providers/local_user_provider.dart';
class PermissionGate extends StatelessWidget {
final Widget child;
final List<String> requiredPermissions;
final bool requireAll;
final Widget? fallback;
const PermissionGate({
super.key,
required this.child,
required this.requiredPermissions,
this.requireAll = true,
this.fallback,
});
@override
Widget build(BuildContext context) {
return Consumer<LocalUserProvider>(
builder: (context, localUserProvider, _) {
final currentUser = localUserProvider.currentUser;
if (currentUser == null) {
return fallback ?? const SizedBox.shrink();
}
final hasPermission = requireAll
? hasAllPermissions(localUserProvider, requiredPermissions)
: hasAnyPermission(localUserProvider, requiredPermissions);
if (hasPermission) {
return child;
}
return fallback ?? const SizedBox.shrink();
},
);
}
bool hasAllPermissions(LocalUserProvider provider, List<String> permissions) {
for (final perm in permissions) {
if (!provider.hasPermission(perm)) return false;
}
return true;
}
bool hasAnyPermission(LocalUserProvider provider, List<String> permissions) {
for (final perm in permissions) {
if (provider.hasPermission(perm)) return true;
}
return false;
}
}