search image in SauceNAO

lib/material/detail.dart

@@ -7,6 +7,7 @@ import 'package:go_router/go_router.dart';
 import 'package:momo/models/image_resp.dart';
 import 'package:momo/provider/rerender.dart';
 import 'package:momo/request/http_client.dart';
+import 'package:url_launcher/url_launcher.dart';
 
 class ImageDetail extends ConsumerStatefulWidget {
   const ImageDetail({Key? key}) : super(key: key);
@@ -33,6 +34,16 @@ class _ImageDetailState extends ConsumerState<ImageDetail> {
 // double dx=0;
   double _scale = 1;
 
+
+  Future<void> _launchInBrowser(Uri url) async {
+    if (!await launchUrl(
+      url,
+      mode: LaunchMode.externalApplication,
+    )) {
+      throw Exception('Could not launch $url');
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     String id = GoRouterState.of(context).queryParams["id"] ?? "";
@@ -91,7 +102,17 @@ class _ImageDetailState extends ConsumerState<ImageDetail> {
                           onPressed: _scale < 10 ? () {} : null,
                           icon: const Icon(Icons.add_circle_outline)),
                       IconButton(
-                          onPressed: () {
+                          onPressed: () async {
+                            final image = await loadImage(id);
+                            final imageUrl =
+                                "https://raichi.hodokencho.com/api/image/${image?.file_path}";
+                            final launchUrl =
+                                "https://saucenao.com/search.php?url=${Uri.encodeComponent(imageUrl)}";
+                            _launchInBrowser(Uri.parse(launchUrl));
+                          },
+                          icon: const Icon(Icons.search)),
+                      IconButton(
+                          onPressed: () async {
                             setState(() {});
                           },
                           icon: const Icon(Icons.menu_rounded)),