Add opening tags in app feature

lib/controls/timeline/flattened_tree_entry_control.dart

@@ -20,9 +20,11 @@ import '../../riverpod_controllers/settings_services.dart';
 import '../../riverpod_controllers/timeline_entry_filter_services.dart';
 import '../../riverpod_controllers/timeline_entry_services.dart';
 import '../../riverpod_controllers/timeline_services.dart';
+import '../../routes.dart';
 import '../../utils/clipboard_utils.dart';
 import '../../utils/filter_runner.dart';
 import '../../utils/html_to_edit_text_helper.dart';
+import '../../utils/network_utils.dart';
 import '../../utils/responsive_sizes_calculator.dart';
 import '../../utils/snackbar_builder.dart';
 import '../../utils/url_opening_utils.dart';
@@ -198,7 +200,7 @@ class _StatusControlState extends ConsumerState<FlattenedTreeEntryControl> {
                 child: Text(
                     'Content Summary: ${entry.spoilerText} (Click to ${showContent ? "Hide" : "Show"})')),
           if (showContent || !showSpoilerControl) ...[
-            buildContentField(context, entry),
+            buildContentField(context, profile, entry),
             const VerticalPadding(
               height: 5,
             ),
@@ -245,11 +247,28 @@ class _StatusControlState extends ConsumerState<FlattenedTreeEntryControl> {
     );
   }
 
-  Widget buildContentField(BuildContext context, TimelineEntry entry) {
+  Widget buildContentField(
+      BuildContext context, Profile profile, TimelineEntry entry) {
     return HtmlTextViewerControl(
       content: entry.body,
-      onTapUrl: (url) async =>
-          await openUrlStringInSystembrowser(context, url, 'link'),
+      onTapUrl: (url) async {
+        await processUrlStringForTag(url).withResultAsync((tagName) async {
+          final openInApp = ref.read(openTagsInAppProvider);
+          if (openInApp) {
+            await context.push('${ScreenPaths.tagView}/$tagName');
+            return;
+          }
+
+          final usersTagSearchPage =
+              generateTagSearchFromProfile(profile, tagName);
+          await openUrlStringInSystembrowser(
+              context, usersTagSearchPage, 'link');
+        }).withErrorAsync((_) async {
+          await openUrlStringInSystembrowser(context, url, 'link');
+        });
+
+        return true;
+      },
     );
   }
 

lib/globals.dart

@@ -4,6 +4,8 @@ import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:uuid/uuid.dart';
 
+const deepLinkScheme = 'relatica';
+
 const macOsGroupId = 'T69YZGT58U.relatica';
 
 String randomId() => const Uuid().v4().toString();

lib/riverpod_controllers/settings_services.dart

@@ -232,3 +232,19 @@ class ColorBlindnessTestingModeSetting
     );
   }
 }
+
+@Riverpod(keepAlive: true)
+class OpenTagsInApp extends _$SpoilerHidingSetting {
+  static const _openTagsInAppKey = 'OpenTagsInApp';
+
+  @override
+  bool build() {
+    return ref.watch(sharedPreferencesProvider).getBool(_openTagsInAppKey) ??
+        true;
+  }
+
+  set value(bool value) {
+    ref.read(sharedPreferencesProvider).setBool(_openTagsInAppKey, value);
+    state = value;
+  }
+}

lib/riverpod_controllers/settings_services.g.dart

@@ -156,5 +156,20 @@ final colorBlindnessTestingModeSettingProvider = NotifierProvider<
 );
 
 typedef _$ColorBlindnessTestingModeSetting = Notifier<ColorBlindnessType>;
+String _$openTagsInAppHash() => r'4aeee38bd8de61c8fdf84cd6cb30bc61fbeeca1b';
+
+/// See also [OpenTagsInApp].
+@ProviderFor(OpenTagsInApp)
+final openTagsInAppProvider = NotifierProvider<OpenTagsInApp, bool>.internal(
+  OpenTagsInApp.new,
+  name: r'openTagsInAppProvider',
+  debugGetCreateSourceHash: const bool.fromEnvironment('dart.vm.product')
+      ? null
+      : _$openTagsInAppHash,
+  dependencies: null,
+  allTransitiveDependencies: null,
+);
+
+typedef _$OpenTagsInApp = Notifier<bool>;
 // ignore_for_file: type=lint
 // ignore_for_file: subtype_of_sealed_class, invalid_use_of_internal_member, invalid_use_of_visible_for_testing_member, deprecated_member_use_from_same_package

lib/routes.dart

@@ -45,7 +45,7 @@ class ScreenPaths {
   static String gallery = '/gallery';
   static String notifications = '/notifications';
   static String signin = '/signin';
-  static String manageProfiles = '/switchProfiles';
+  static String manageProfiles = '/switch_profiles';
   static String circleManagement = '/circle_management';
   static String signup = '/signup';
   static String userProfile = '/user_profile';
@@ -53,8 +53,8 @@ class ScreenPaths {
   static String likes = '/likes';
   static String reshares = '/reshares';
   static String explore = '/explore';
-  static String logViewer = '/logViewer';
-  static String tagView = '/tagView';
+  static String logViewer = '/log_viewer';
+  static String tagView = '/tag_view';
 }
 
 bool needAuthChangeInitialized = true;

lib/screens/settings_screen.dart

@@ -34,6 +34,7 @@ class SettingsScreen extends ConsumerWidget {
                 _NetworkTimeoutWidget(),
                 _NotificationGroupingWidget(),
                 _SpoilerHidingWidget(),
+                _OpenTagsInAppWidget(),
                 _ThemeWidget(),
                 if (!kReleaseMode) _ColorBlindnessWidget(),
                 _ClearCachesWidget(),
@@ -223,6 +224,24 @@ class _SpoilerHidingWidget extends ConsumerWidget {
   }
 }
 
+class _OpenTagsInAppWidget extends ConsumerWidget {
+  const _OpenTagsInAppWidget();
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final openTagsInApp = ref.watch(openTagsInAppProvider);
+    return ListTile(
+      title: const Text('Open Tags In App'),
+      trailing: Switch(
+        onChanged: (value) {
+          ref.read(openTagsInAppProvider.notifier).value = value;
+        },
+        value: openTagsInApp,
+      ),
+    );
+  }
+}
+
 class _ThemeWidget extends ConsumerWidget {
   const _ThemeWidget();
 

lib/utils/html_to_edit_text_helper.dart

@@ -35,7 +35,7 @@ void _updateSwapTagLinks(Profile profile, Node node, List<String> tags) {
           .firstWhere((t) => t.toLowerCase() == tagLowercase, orElse: () => '')
           .isNotEmpty;
       if (hasExpectedTag) {
-        final newTagUrl = generateTagUrlFromProfile(profile, tag);
+        final newTagUrl = generateTagUriFromProfile(profile, tag);
         node.attributes['href'] = newTagUrl.toString();
       }
     }

lib/utils/network_utils.dart

@@ -1,5 +1,32 @@
-import '../models/auth/profile.dart';
+import 'package:result_monad/result_monad.dart';
 
-Uri generateTagUrlFromProfile(Profile profile, String tag) {
-  return Uri.https(profile.serverName, '/search', {'tag': tag});
+import '../globals.dart';
+import '../models/auth/profile.dart';
+import '../routes.dart';
+
+Uri generateTagUriFromProfile(Profile profile, String tag) {
+  return Uri.parse('relatica://route${ScreenPaths.tagView}/$tag');
+}
+
+Result<String, bool> processUrlStringForTag(String url) {
+  final uri = Uri.parse(url);
+  if (uri.scheme == deepLinkScheme &&
+      uri.host == 'route' &&
+      uri.pathSegments.length == 2) {
+    final route = '/${uri.pathSegments[0]}';
+    final tag = uri.pathSegments[1];
+    if (route == ScreenPaths.tagView) {
+      return Result.ok(tag);
+    }
+  }
+
+  return Result.error(false);
+}
+
+String generateTagSearchFromProfile(Profile profile, String tagName) {
+  return Uri.https(
+    profile.serverName,
+    '/search',
+    {'tag': tagName},
+  ).toString();
 }