Fix open github docs for postcard

lib/screen/github_doc.dart

@@ -5,10 +5,12 @@
 //  that can be found in the LICENSE file.
 //
 
-import 'package:autonomy_flutter/screen/app_router.dart';
+import 'package:autonomy_flutter/common/injector.dart';
+import 'package:autonomy_flutter/service/navigation_service.dart';
 import 'package:autonomy_flutter/util/constants.dart';
 import 'package:autonomy_flutter/util/dio_interceptors.dart';
 import 'package:autonomy_flutter/util/dio_util.dart';
+import 'package:autonomy_flutter/util/string_ext.dart';
 import 'package:autonomy_flutter/util/style.dart';
 import 'package:autonomy_flutter/view/back_appbar.dart';
 import 'package:autonomy_flutter/view/responsive.dart';
@@ -32,6 +34,7 @@ class GithubDocPage extends StatefulWidget {
 class _GithubDocPageState extends State<GithubDocPage> {
   late String document;
   late String title;
+  final _navigationService = injector<NavigationService>();
 
   final dio = baseDio(BaseOptions(
     baseUrl: "https://raw.githubusercontent.com",
@@ -83,14 +86,8 @@ class _GithubDocPageState extends State<GithubDocPage> {
               styleSheet: markDownLightStyle(context),
               onTapLink: (text, href, title) async {
                 if (href == null) return;
-                if (!(await canLaunchUrlString(href))) {
-                  if (!mounted) return;
-                  Navigator.of(context).pushNamed(AppRouter.githubDocPage,
-                      arguments: {
-                        "prefix": widget.payload["prefix"] ?? '',
-                        "document": href,
-                        "title": ""
-                      });
+                if (href.isAutonomyDocumentLink) {
+                  _navigationService.openAutonomyDocument(href, title);
                 } else {
                   launchUrlString(href);
                 }

lib/screen/interactive_postcard/postcard_explain.dart

@@ -1,5 +1,6 @@
 import 'package:autonomy_flutter/common/injector.dart';
 import 'package:autonomy_flutter/service/configuration_service.dart';
+import 'package:autonomy_flutter/service/navigation_service.dart';
 import 'package:autonomy_flutter/service/postcard_service.dart';
 import 'package:autonomy_flutter/util/constants.dart';
 import 'package:autonomy_flutter/util/distance_formater.dart';
@@ -14,7 +15,6 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_svg/svg.dart';
 import 'package:nft_collection/models/asset_token.dart';
-import 'package:url_launcher/url_launcher.dart';
 import 'package:video_player/video_player.dart';
 
 class PostcardExplain extends StatefulWidget {
@@ -28,6 +28,7 @@ class PostcardExplain extends StatefulWidget {
 }
 
 class _PostcardExplainState extends State<PostcardExplain> {
+  final _navigationService = injector<NavigationService>();
   final VideoPlayerController _controller =
       VideoPlayerController.asset("assets/videos/postcard_explain.mp4");
   final VideoPlayerController _colouringController =
@@ -224,14 +225,15 @@ class _PostcardExplainState extends State<PostcardExplain> {
                       text: "by_continuing".tr(),
                     ),
                     TextSpan(
-                      text: "terms_and_conditions".tr(),
-                      style: termsConditionsStyle.copyWith(
-                          decoration: TextDecoration.underline),
-                      recognizer: TapGestureRecognizer()
-                        ..onTap = () => launchUrl(
-                            Uri.parse(MOMA_TERMS_CONDITIONS_URL),
-                            mode: LaunchMode.externalApplication),
-                    ),
+                        text: "terms_and_conditions".tr(),
+                        style: termsConditionsStyle.copyWith(
+                            decoration: TextDecoration.underline),
+                        recognizer: TapGestureRecognizer()
+                          ..onTap = () {
+                            _navigationService.openAutonomyDocument(
+                                MOMA_TERMS_CONDITIONS_URL,
+                                "terms_and_conditions".tr());
+                          }),
                     const TextSpan(
                       text: ".",
                     ),

lib/service/navigation_service.dart

@@ -20,14 +20,13 @@ import 'package:autonomy_flutter/util/constants.dart';
 import 'package:autonomy_flutter/util/error_handler.dart';
 import 'package:autonomy_flutter/util/inapp_notifications.dart';
 import 'package:autonomy_flutter/util/log.dart';
+import 'package:autonomy_flutter/util/string_ext.dart';
 import 'package:autonomy_flutter/util/style.dart';
 import 'package:autonomy_flutter/util/ui_helper.dart';
 import 'package:autonomy_theme/autonomy_theme.dart';
 import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
-import 'package:nft_collection/models/asset_token.dart';
-
-// ignore: implementation_imports
+import 'package:nft_collection/models/asset_token.dart'; // ignore: implementation_imports
 import 'package:overlay_support/src/overlay_state_finder.dart';
 
 class NavigationService {
@@ -361,4 +360,20 @@ class NavigationService {
       await UIHelper.showPostcardQRExpired(navigatorKey.currentContext!);
     }
   }
+
+  Future<void> openAutonomyDocument(String href, String title) async {
+    if (navigatorKey.currentContext != null &&
+        navigatorKey.currentState?.mounted == true) {
+      final uri = Uri.parse(href.autonomyRawDocumentLink);
+      final document = uri.pathSegments.last;
+      final prefix =
+          uri.pathSegments.sublist(0, uri.pathSegments.length - 1).join("/");
+      await Navigator.of(navigatorKey.currentContext!)
+          .pushNamed(AppRouter.githubDocPage, arguments: {
+        "prefix": "/$prefix/",
+        "document": document,
+        "title": title,
+      });
+    }
+  }
 }

lib/util/constants.dart

@@ -177,6 +177,13 @@ const TV_APP_STORE_URL =
 const MOMA_TERMS_CONDITIONS_URL =
     "https://github.com/bitmark-inc/autonomy-apps/blob/main/docs/postcard_terms.md";
 
+const AUTONOMY_DOCUMENT_PREFIX = "https://github.com/bitmark-inc";
+
+const AUTONOMY_RAW_DOCUMENT_PREFIX =
+    "https://raw.githubusercontent.com/bitmark-inc";
+
+const MARKDOWN_EXT = ".md";
+
 const String POSTCARD_SIGN_PREFIX = "Tezos Signed Message:";
 
 const CONNECT_FAILED_DURATION = Duration(seconds: 10);

lib/util/string_ext.dart

@@ -6,6 +6,7 @@
 //
 
 import 'package:autonomy_flutter/common/environment.dart';
+import 'package:autonomy_flutter/util/constants.dart';
 
 extension StringExtension on String {
   String capitalize() {
@@ -82,4 +83,15 @@ extension StringExtension on String {
     return splitted.length > 1 &&
         splitted[1] == Environment.postcardContractAddress;
   }
+
+  bool get isAutonomyDocumentLink {
+    return (startsWith(AUTONOMY_DOCUMENT_PREFIX) ||
+            startsWith(AUTONOMY_RAW_DOCUMENT_PREFIX)) &&
+        endsWith(MARKDOWN_EXT);
+  }
+
+  String get autonomyRawDocumentLink {
+    return replaceFirst(AUTONOMY_DOCUMENT_PREFIX, AUTONOMY_RAW_DOCUMENT_PREFIX)
+        .replaceFirst("/blob/", "/");
+  }
 }

lib/view/artwork_common_widget.dart

@@ -9,6 +9,7 @@ import 'package:autonomy_flutter/service/configuration_service.dart';
 import 'package:autonomy_flutter/service/customer_support_service.dart';
 import 'package:autonomy_flutter/service/feralfile_service.dart';
 import 'package:autonomy_flutter/service/metric_client_service.dart';
+import 'package:autonomy_flutter/service/navigation_service.dart';
 import 'package:autonomy_flutter/util/address_utils.dart';
 import 'package:autonomy_flutter/util/asset_token_ext.dart';
 import 'package:autonomy_flutter/util/au_icons.dart';
@@ -1864,6 +1865,10 @@ class _PostcardRightsViewState extends State<PostcardRightsView> {
                     styleSheet: markDownPostcardRightStyle(context),
                     onTapLink: (text, href, title) async {
                       if (href == null) return;
+                      if (href.isAutonomyDocumentLink) {
+                        injector<NavigationService>()
+                            .openAutonomyDocument(href, title);
+                      }
                       launchUrl(Uri.parse(href),
                           mode: LaunchMode.externalApplication);
                     },