feat: New Public room bottom sheet

lib/pages/search/search.dart

@@ -1,10 +1,10 @@
 import 'dart:async';
 
+import 'package:fluffychat/widgets/public_room_bottom_sheet.dart';
 import 'package:flutter/material.dart';
 
 import 'package:adaptive_dialog/adaptive_dialog.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:matrix/matrix.dart';
 import 'package:vrouter/vrouter.dart';
 
@@ -38,45 +38,15 @@ class SearchController extends State<Search> {
     );
   }
 
-  Future<String> _joinRoomAndWait(
-    BuildContext context,
-    String roomId,
-    String alias,
-  ) async {
-    if (Matrix.of(context).client.getRoomById(roomId) != null) {
-      return roomId;
-    }
-    final newRoomId = await Matrix.of(context)
-        .client
-        .joinRoom(alias?.isNotEmpty ?? false ? alias : roomId);
-    await Matrix.of(context).client.onSync.stream.firstWhere(
-        (update) => update.rooms?.join?.containsKey(newRoomId) ?? false);
-    return newRoomId;
-  }
-
-  void joinGroupAction(PublicRoomsChunk room) async {
-    if (await showOkCancelAlertDialog(
-          useRootNavigator: false,
+  void joinGroupAction(PublicRoomsChunk room) {
+    showModalBottomSheet(
       context: context,
-          okLabel: L10n.of(context).joinRoom,
-          title: '${room.name} (${room.numJoinedMembers ?? 0})',
-          message: room.topic ?? L10n.of(context).noDescription,
-          cancelLabel: L10n.of(context).cancel,
-        ) ==
-        OkCancelResult.cancel) {
-      return;
-    }
-    final success = await showFutureLoadingDialog(
-      context: context,
-      future: () => _joinRoomAndWait(
-        context,
-        room.roomId,
-        room.canonicalAlias ?? room.aliases?.first,
+      builder: (c) => PublicRoomBottomSheet(
+        roomAlias: room.canonicalAlias,
+        outerContext: context,
+        chunk: room,
       ),
     );
-    if (success.error == null) {
-      VRouter.of(context).toSegments(['rooms', success.result]);
-    }
   }
 
   String server;

lib/utils/localized_exception_extension.dart

@@ -50,6 +50,7 @@ extension LocalizedExceptionExtension on Object {
     if (this is MatrixConnectionException || this is SocketException) {
       return L10n.of(context).noConnectionToTheServer;
     }
+    if (this is String) return toString();
     if (this is UiaException) return toString();
     Logs().w('Something went wrong: ', this);
     return L10n.of(context).oopsSomethingWentWrong;

lib/utils/url_launcher.dart

@@ -1,3 +1,4 @@
+import 'package:fluffychat/widgets/public_room_bottom_sheet.dart';
 import 'package:flutter/material.dart';
 
 import 'package:adaptive_dialog/adaptive_dialog.dart';
@@ -162,9 +163,13 @@ class UrlLauncher {
           }
         }
       } else {
-        VRouter.of(context).to('/search', queryParameters: {
-          if (roomIdOrAlias != null) 'query': roomIdOrAlias
-        });
+        await showModalBottomSheet(
+          context: context,
+          builder: (c) => PublicRoomBottomSheet(
+            roomAlias: identityParts.primaryIdentifier,
+            outerContext: context,
+          ),
+        );
       }
     } else if (identityParts.primaryIdentifier.sigil == '@') {
       await showModalBottomSheet(

lib/widgets/public_room_bottom_sheet.dart

@@ -0,0 +1,138 @@
+import 'dart:math';
+
+import 'package:flutter/material.dart';
+
+import 'package:flutter_gen/gen_l10n/l10n.dart';
+import 'package:flutter_matrix_html/flutter_html.dart';
+import 'package:future_loading_dialog/future_loading_dialog.dart';
+import 'package:matrix/matrix.dart';
+import 'package:vrouter/vrouter.dart';
+
+import 'package:fluffychat/config/themes.dart';
+import 'package:fluffychat/widgets/content_banner.dart';
+import 'package:fluffychat/widgets/matrix.dart';
+import '../utils/localized_exception_extension.dart';
+
+class PublicRoomBottomSheet extends StatelessWidget {
+  final String roomAlias;
+  final BuildContext outerContext;
+  final PublicRoomsChunk chunk;
+  const PublicRoomBottomSheet({
+    @required this.roomAlias,
+    @required this.outerContext,
+    this.chunk,
+    Key key,
+  }) : super(key: key);
+
+  void _joinRoom(BuildContext context) async {
+    final client = Matrix.of(context).client;
+    final result = await showFutureLoadingDialog<String>(
+      context: context,
+      future: () => client.joinRoom(roomAlias),
+    );
+    if (result.error == null) {
+      if (client.getRoomById(result.result) == null) {
+        await client.onSync.stream.firstWhere(
+            (sync) => sync.rooms?.join?.containsKey(result.result) ?? false);
+      }
+      VRouter.of(context).toSegments(['rooms', result.result]);
+      Navigator.of(context, rootNavigator: false).pop();
+      return;
+    }
+  }
+
+  bool _testRoom(PublicRoomsChunk r) =>
+      r.canonicalAlias == roomAlias ||
+      (r.aliases?.contains(roomAlias) ?? false);
+
+  Future<PublicRoomsChunk> _search(BuildContext context) async {
+    if (chunk != null) return chunk;
+    final query = await Matrix.of(context).client.queryPublicRooms(
+          server: roomAlias.domain,
+          filter: PublicRoomQueryFilter(
+            genericSearchTerm: roomAlias,
+          ),
+        );
+    if (!query.chunk.any(_testRoom) ?? true) {
+      throw (L10n.of(context).noRoomsFound);
+    }
+    return query.chunk.firstWhere(_testRoom);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final roomAlias =
+        this.roomAlias ?? chunk.canonicalAlias ?? chunk.aliases?.first ?? '';
+    return Center(
+      child: SizedBox(
+        width: min(
+            MediaQuery.of(context).size.width, FluffyThemes.columnWidth * 1.5),
+        child: Material(
+          elevation: 4,
+          child: SafeArea(
+            child: Scaffold(
+              extendBodyBehindAppBar: true,
+              appBar: AppBar(
+                elevation: 0,
+                backgroundColor:
+                    Theme.of(context).scaffoldBackgroundColor.withOpacity(0.5),
+                title: Text(roomAlias),
+                leading: IconButton(
+                  icon: const Icon(Icons.arrow_downward_outlined),
+                  onPressed: Navigator.of(context, rootNavigator: false).pop,
+                  tooltip: L10n.of(context).close,
+                ),
+              ),
+              body: FutureBuilder<PublicRoomsChunk>(
+                  future: _search(context),
+                  builder: (context, snapshot) {
+                    final profile = snapshot.data;
+                    return Column(
+                      children: [
+                        Expanded(
+                          child: profile == null
+                              ? Container(
+                                  alignment: Alignment.center,
+                                  color: Theme.of(context).secondaryHeaderColor,
+                                  child: snapshot.hasError
+                                      ? Text(snapshot.error
+                                          .toLocalizedString(context))
+                                      : const CircularProgressIndicator
+                                          .adaptive(strokeWidth: 2),
+                                )
+                              : ContentBanner(
+                                  profile.avatarUrl,
+                                  defaultIcon: Icons.person_outline,
+                                  client: Matrix.of(context).client,
+                                ),
+                        ),
+                        ListTile(
+                          title: Text(profile?.name ?? roomAlias.localpart),
+                          subtitle: Text(
+                              '${L10n.of(context).participant}: ${profile?.numJoinedMembers ?? 0}'),
+                          trailing: const Icon(Icons.account_box_outlined),
+                        ),
+                        if (profile?.topic != null && profile.topic.isNotEmpty)
+                          ListTile(
+                            subtitle: Html(data: profile.topic),
+                          ),
+                        Container(
+                          width: double.infinity,
+                          padding: const EdgeInsets.all(12),
+                          child: ElevatedButton.icon(
+                            onPressed: () => _joinRoom(context),
+                            label: Text(L10n.of(context).joinRoom),
+                            icon: const Icon(Icons.login_outlined),
+                          ),
+                        ),
+                        const SizedBox(height: 8),
+                      ],
+                    );
+                  }),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}