feat: add hyperlink support in Markdown rendering for deb and snap pages

packages/app_center/lib/deb/local_deb_page.dart

@@ -4,6 +4,7 @@ import 'package:app_center/error/error.dart';
 import 'package:app_center/extensions/string_extensions.dart';
 import 'package:app_center/l10n.dart';
 import 'package:app_center/layout.dart';
+import 'package:app_center/widgets/hyperlink_text.dart';
 import 'package:app_center/widgets/widgets.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_html/flutter_html.dart';
@@ -90,6 +91,9 @@ class _Description extends StatelessWidget {
         const SizedBox(height: kPagePadding),
         MarkdownBody(
           selectable: true,
+          builders: {
+            'a': HyperlinkTextMarkdown(),
+          },
           data: debData.details.description.escapedMarkdown(),
         ),
       ],

packages/app_center/lib/snapd/snap_page.dart

@@ -234,6 +234,9 @@ class _SnapView extends StatelessWidget {
                             const SizedBox(height: kPagePadding),
                             MarkdownBody(
                               selectable: true,
+                              builders: {
+                                'a': HyperlinkTextMarkdown(),
+                              },
                               data: snapData.snap.description.escapedMarkdown(),
                             ),
                           ],

packages/app_center/lib/widgets/hyperlink_text.dart

@@ -1,5 +1,7 @@
 import 'package:app_center/constants.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter_markdown/flutter_markdown.dart';
+import 'package:markdown/markdown.dart' as md;
 import 'package:url_launcher/url_launcher_string.dart';
 
 /// A [Text] widget formatted as an accessible hyperlink.
@@ -63,3 +65,11 @@ class _HyperlinkTextState extends State<HyperlinkText> {
     );
   }
 }
+
+/// Custom builder for link texts on Markdown
+class HyperlinkTextMarkdown extends MarkdownElementBuilder {
+  @override
+  Widget? visitElementAfter(md.Element element, TextStyle? preferredStyle) {
+    return HyperlinkText(text: element.textContent, link: element.textContent);
+  }
+}

packages/app_center/pubspec.lock

@@ -740,7 +740,7 @@ packages:
     source: hosted
     version: "1.4.0+1"
   markdown:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: markdown
       sha256: "935e23e1ff3bc02d390bad4d4be001208ee92cc217cb5b5a6c19bc14aaa318c1"

packages/app_center/pubspec.yaml

@@ -36,6 +36,7 @@ dependencies:
   intl: any
   json_annotation: ^4.9.0
   jwt_decode: ^0.3.1
+  markdown: ^7.3.0
   meta: ^1.15.0
   package_info_plus: ^8.0.2
   packagekit: ^0.2.7