✨ Chat basis

lib/models/channel.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
 import 'package:solian/models/account.dart';
+import 'package:solian/models/realm.dart';
 
 class Channel {
   int id;
@@ -13,6 +14,7 @@ class Channel {
   int type;
   Account account;
   int accountId;
+  Realm? realm;
   int? realmId;
   bool isEncrypted;
 
@@ -30,6 +32,7 @@ class Channel {
     required this.account,
     required this.accountId,
     required this.isEncrypted,
+    this.realm,
     this.realmId,
   });
 
@@ -44,6 +47,7 @@ class Channel {
         type: json['type'],
         account: Account.fromJson(json['account']),
         accountId: json['account_id'],
+        realm: json['realm'] != null ? Realm.fromJson(json['realm']) : null,
         realmId: json['realm_id'],
         isEncrypted: json['is_encrypted'],
       );
@@ -57,8 +61,9 @@ class Channel {
         'name': name,
         'description': description,
         'type': type,
-        'account': account,
+        'account': account.toJson(),
         'account_id': accountId,
+        'realm': realm?.toJson(),
         'realm_id': realmId,
         'is_encrypted': isEncrypted,
       };

lib/models/message.dart

@@ -8,7 +8,7 @@ class Message {
   DateTime createdAt;
   DateTime updatedAt;
   DateTime? deletedAt;
-  String rawContent;
+  Map<String, dynamic> content;
   Map<String, dynamic>? metadata;
   String type;
   List<String>? attachments;
@@ -21,16 +21,12 @@ class Message {
 
   bool isSending = false;
 
-  Map<String, dynamic> get decodedContent {
-    return jsonDecode(utf8.fuse(base64).decode(rawContent));
-  }
-
   Message({
     required this.id,
     required this.createdAt,
     required this.updatedAt,
     this.deletedAt,
-    required this.rawContent,
+    required this.content,
     required this.metadata,
     required this.type,
     this.attachments,
@@ -47,14 +43,16 @@ class Message {
         createdAt: DateTime.parse(json['created_at']),
         updatedAt: DateTime.parse(json['updated_at']),
         deletedAt: json['deleted_at'],
-        rawContent: json['content'],
+        content: json['content'],
         metadata: json['metadata'],
         type: json['type'],
         attachments: json['attachments'],
         channel: Channel.fromJson(json['channel']),
         sender: Sender.fromJson(json['sender']),
         replyId: json['reply_id'],
-        replyTo: json['reply_to'] != null ? Message.fromJson(json['reply_to']) : null,
+        replyTo: json['reply_to'] != null
+            ? Message.fromJson(json['reply_to'])
+            : null,
         channelId: json['channel_id'],
         senderId: json['sender_id'],
       );
@@ -64,7 +62,7 @@ class Message {
         'created_at': createdAt.toIso8601String(),
         'updated_at': updatedAt.toIso8601String(),
         'deleted_at': deletedAt,
-        'content': rawContent,
+        'content': content,
         'metadata': metadata,
         'type': type,
         'attachments': attachments,

lib/models/realm.dart

@@ -10,7 +10,7 @@ class Realm {
   String description;
   bool isPublic;
   bool isCommunity;
-  int accountId;
+  int? accountId;
 
   Realm({
     required this.id,
@@ -22,14 +22,16 @@ class Realm {
     required this.description,
     required this.isPublic,
     required this.isCommunity,
-    required this.accountId,
+    this.accountId,
   });
 
   factory Realm.fromJson(Map<String, dynamic> json) => Realm(
         id: json['id'],
         createdAt: DateTime.parse(json['created_at']),
         updatedAt: DateTime.parse(json['updated_at']),
-        deletedAt: json['deleted_at'] != null ? DateTime.parse(json['deleted_at']) : null,
+        deletedAt: json['deleted_at'] != null
+            ? DateTime.parse(json['deleted_at'])
+            : null,
         alias: json['alias'],
         name: json['name'],
         description: json['description'],
@@ -77,7 +79,9 @@ class RealmMember {
         id: json['id'],
         createdAt: DateTime.parse(json['created_at']),
         updatedAt: DateTime.parse(json['updated_at']),
-        deletedAt: json['deleted_at'] != null ? DateTime.parse(json['deleted_at']) : null,
+        deletedAt: json['deleted_at'] != null
+            ? DateTime.parse(json['deleted_at'])
+            : null,
         realmId: json['realm_id'],
         accountId: json['account_id'],
         account: Account.fromJson(json['account']),

lib/providers/content/channel.dart

@@ -3,6 +3,21 @@ import 'package:solian/providers/auth.dart';
 import 'package:solian/services.dart';
 
 class ChannelProvider extends GetxController {
+  Future<Response> getChannel(String alias, {String realm = 'global'}) async {
+    final AuthProvider auth = Get.find();
+    if (!await auth.isAuthorized) throw Exception('unauthorized');
+
+    final client = GetConnect();
+    client.httpClient.baseUrl = ServiceFinder.services['messaging'];
+
+    final resp = await client.get('/api/channels/$realm/$alias');
+    if (resp.statusCode != 200) {
+      throw Exception(resp.bodyString);
+    }
+
+    return resp;
+  }
+
   Future<Response> listAvailableChannel({String realm = 'global'}) async {
     final AuthProvider auth = Get.find();
     if (!await auth.isAuthorized) throw Exception('unauthorized');

lib/router.dart

@@ -2,6 +2,7 @@ import 'package:go_router/go_router.dart';
 import 'package:solian/screens/account.dart';
 import 'package:solian/screens/account/friend.dart';
 import 'package:solian/screens/account/personalize.dart';
+import 'package:solian/screens/channel/channel_chat.dart';
 import 'package:solian/screens/channel/channel_organize.dart';
 import 'package:solian/screens/contact.dart';
 import 'package:solian/screens/posts/post_detail.dart';
@@ -87,6 +88,16 @@ abstract class AppRouter {
           );
         },
       ),
+      GoRoute(
+        path: '/chat/:alias',
+        name: 'channelChat',
+        builder: (context, state) {
+          return ChannelChatScreen(
+            alias: state.pathParameters['alias']!,
+            realm: state.uri.queryParameters['realm'] ?? 'global',
+          );
+        },
+      ),
     ],
   );
 }

lib/screens/channel/channel_chat.dart

@@ -0,0 +1,171 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_animate/flutter_animate.dart';
+import 'package:get/get.dart';
+import 'package:infinite_scroll_pagination/infinite_scroll_pagination.dart';
+import 'package:solian/exts.dart';
+import 'package:solian/models/channel.dart';
+import 'package:solian/models/message.dart';
+import 'package:solian/models/pagination.dart';
+import 'package:solian/providers/auth.dart';
+import 'package:solian/providers/content/channel.dart';
+import 'package:solian/services.dart';
+import 'package:solian/theme.dart';
+import 'package:solian/widgets/chat/chat_message.dart';
+
+class ChannelChatScreen extends StatefulWidget {
+  final String alias;
+  final String realm;
+
+  const ChannelChatScreen({
+    super.key,
+    required this.alias,
+    this.realm = 'global',
+  });
+
+  @override
+  State<ChannelChatScreen> createState() => _ChannelChatScreenState();
+}
+
+class _ChannelChatScreenState extends State<ChannelChatScreen> {
+  bool _isBusy = false;
+
+  Channel? _channel;
+
+  final PagingController<int, Message> _pagingController =
+      PagingController(firstPageKey: 0);
+
+  getChannel() async {
+    final ChannelProvider provider = Get.find();
+
+    setState(() => _isBusy = true);
+
+    try {
+      final resp = await provider.getChannel(widget.alias, realm: widget.realm);
+      setState(() => _channel = Channel.fromJson(resp.body));
+    } catch (e) {
+      context.showErrorDialog(e);
+    }
+
+    setState(() => _isBusy = false);
+  }
+
+  Future<void> getMessages(int pageKey) async {
+    final AuthProvider auth = Get.find();
+    if (!await auth.isAuthorized) return;
+
+    final client = GetConnect();
+    client.httpClient.baseUrl = ServiceFinder.services['messaging'];
+    client.httpClient.addAuthenticator(auth.requestAuthenticator);
+
+    final resp = await client.get(
+        '/api/channels/${widget.realm}/${widget.alias}/messages?take=10&offset=$pageKey');
+
+    if (resp.statusCode == 200) {
+      final PaginationResult result = PaginationResult.fromJson(resp.body);
+      final parsed = result.data?.map((e) => Message.fromJson(e)).toList();
+
+      if (parsed != null && parsed.length >= 10) {
+        _pagingController.appendPage(parsed, pageKey + parsed.length);
+      } else if (parsed != null) {
+        _pagingController.appendLastPage(parsed);
+      }
+    } else if (resp.statusCode == 403) {
+      _pagingController.appendLastPage([]);
+    } else {
+      _pagingController.error = resp.bodyString;
+    }
+  }
+
+  bool checkMessageMergeable(Message? a, Message? b) {
+    if (a?.replyTo != null) return false;
+    if (a == null || b == null) return false;
+    if (a.senderId != b.senderId) return false;
+    return a.createdAt.difference(b.createdAt).inMinutes <= 3;
+  }
+
+  Widget chatHistoryBuilder(context, item, index) {
+    bool isMerged = false, hasMerged = false;
+    if (index > 0) {
+      hasMerged = checkMessageMergeable(
+        _pagingController.itemList?[index - 1],
+        item,
+      );
+    }
+    if (index + 1 < (_pagingController.itemList?.length ?? 0)) {
+      isMerged = checkMessageMergeable(
+        item,
+        _pagingController.itemList?[index + 1],
+      );
+    }
+    return InkWell(
+      child: Container(
+        padding: EdgeInsets.only(
+          top: !isMerged ? 8 : 0,
+          bottom: !hasMerged ? 8 : 0,
+          left: 12,
+          right: 12,
+        ),
+        child: ChatMessage(
+          item: item,
+          isCompact: isMerged,
+        ),
+      ),
+      onLongPress: () {},
+    ).animate(key: Key('m${item.id}'), autoPlay: true).slideY(
+          curve: Curves.fastEaseInToSlowEaseOut,
+          duration: 350.ms,
+          begin: 0.25,
+          end: 0,
+        );
+  }
+
+  @override
+  void initState() {
+    super.initState();
+
+    getChannel().then((_) {
+      _pagingController.addPageRequestListener(getMessages);
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    if (_isBusy) {
+      return const Center(
+        child: CircularProgressIndicator(),
+      );
+    }
+
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(_channel?.name ?? 'loading'.tr),
+        centerTitle: false,
+        actions: [
+          IconButton(
+            icon: const Icon(Icons.settings),
+            onPressed: () {},
+          ),
+          SizedBox(
+            width: SolianTheme.isLargeScreen(context) ? 8 : 16,
+          ),
+        ],
+      ),
+      body: Column(
+        children: [
+          Expanded(
+            child: PagedListView<int, Message>(
+              reverse: true,
+              pagingController: _pagingController,
+              builderDelegate: PagedChildBuilderDelegate<Message>(
+                animateTransitions: true,
+                transitionDuration: 350.ms,
+                itemBuilder: chatHistoryBuilder,
+                noItemsFoundIndicatorBuilder: (_) => Container(),
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}

lib/screens/contact.dart

@@ -78,8 +78,9 @@ class _ContactScreenState extends State<ContactScreen> {
                         );
                       },
                     ),
-                    if (!SolianTheme.isLargeScreen(context))
+                    SizedBox(
-                      const SizedBox(width: 16),
+                      width: SolianTheme.isLargeScreen(context) ? 8 : 16,
+                    ),
                   ],
                 ),
               ),
@@ -111,7 +112,16 @@ class _ContactScreenState extends State<ContactScreen> {
                               const EdgeInsets.symmetric(horizontal: 24),
                           title: Text(element.name),
                           subtitle: Text(element.description),
-                          onTap: () {},
+                          onTap: () {
+                            AppRouter.instance.pushNamed(
+                              'channelChat',
+                              pathParameters: {'alias': element.alias},
+                              queryParameters: {
+                                if (element.realmId != null)
+                                  'realm': element.realm!.alias,
+                              },
+                            );
+                          },
                         );
                       },
                     ),

lib/screens/social.dart

@@ -87,8 +87,9 @@ class _SocialScreenState extends State<SocialScreen> {
                     forceElevated: innerBoxIsScrolled,
                     actions: [
                       const NotificationButton(),
-                      if (!SolianTheme.isLargeScreen(context))
+                      SizedBox(
-                        const SizedBox(width: 16),
+                        width: SolianTheme.isLargeScreen(context) ? 8 : 16,
+                      ),
                     ],
                   ),
                 ),

lib/translations.dart

@@ -14,6 +14,7 @@ class SolianMessages extends Translations {
           'apply': 'Apply',
           'cancel': 'Cancel',
           'confirm': 'Confirm',
+          'loading': 'Loading...',
           'edit': 'Edit',
           'delete': 'Delete',
           'search': 'Search',
@@ -100,6 +101,8 @@ class SolianMessages extends Translations {
           'channelType': 'Channel type',
           'channelTypeCommon': 'Regular',
           'channelTypeDirect': 'DM',
+          'messageDecoding': 'Decoding...',
+          'messageDecodeFailed': 'Unable to decode: @message',
         },
         'zh_CN': {
           'hide': '隐藏',
@@ -108,6 +111,7 @@ class SolianMessages extends Translations {
           'reset': '重置',
           'cancel': '取消',
           'confirm': '确认',
+          'loading': '载入中…',
           'edit': '编辑',
           'delete': '删除',
           'page': '页面',
@@ -191,6 +195,8 @@ class SolianMessages extends Translations {
           'channelType': '频道类型',
           'channelTypeCommon': '普通频道',
           'channelTypeDirect': '私信聊天',
+          'messageDecoding': '解码信息中…',
+          'messageDecodeFailed': '解码信息失败：@message',
         }
       };
 }

lib/widgets/chat/chat_message.dart

@@ -0,0 +1,104 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_animate/flutter_animate.dart';
+import 'package:flutter_markdown/flutter_markdown.dart';
+import 'package:get/get.dart';
+import 'package:solian/models/message.dart';
+import 'package:solian/widgets/account/account_avatar.dart';
+import 'package:timeago/timeago.dart' show format;
+
+class ChatMessage extends StatelessWidget {
+  final Message item;
+  final bool isCompact;
+
+  const ChatMessage({super.key, required this.item, required this.isCompact});
+
+  Future<String?> decodeContent(Map<String, dynamic> content) async {
+    String? text;
+    if (item.type == 'm.text') {
+      switch (content['algorithm']) {
+        case 'plain':
+          text = content['value'];
+        default:
+          throw Exception('Unsupported algorithm');
+        // TODO Impl AES algorithm
+      }
+    }
+
+    return text;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final hasAttachment = item.attachments?.isNotEmpty ?? false;
+
+    return Column(
+      children: [
+        Row(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            AccountAvatar(content: item.sender.account.avatar),
+            Expanded(
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  Row(
+                    children: [
+                      Text(
+                        item.sender.account.nick,
+                        style: const TextStyle(fontWeight: FontWeight.bold),
+                      ),
+                      const SizedBox(width: 4),
+                      Text(format(item.createdAt, locale: 'en_short'))
+                    ],
+                  ).paddingSymmetric(horizontal: 12),
+                  FutureBuilder(
+                      future: decodeContent(item.content),
+                      builder: (context, snapshot) {
+                        if (!snapshot.hasData) {
+                          return Opacity(
+                            opacity: 0.8,
+                            child: Row(
+                              children: [
+                                const Icon(Icons.more_horiz),
+                                Text('messageDecoding'.tr)
+                              ],
+                            ),
+                          )
+                              .animate(onPlay: (c) => c.repeat())
+                              .fade(begin: 0, end: 1);
+                        } else if (snapshot.hasError) {
+                          return Opacity(
+                            opacity: 0.9,
+                            child: Row(
+                              children: [
+                                const Icon(Icons.close),
+                                Text(
+                                  'messageDecodeFailed'.trParams(
+                                      {'message': snapshot.error.toString()}),
+                                )
+                              ],
+                            ),
+                          );
+                        }
+
+                        return Markdown(
+                          shrinkWrap: true,
+                          physics: const NeverScrollableScrollPhysics(),
+                          data: snapshot.data ?? '',
+                          padding: const EdgeInsets.all(0),
+                        ).paddingOnly(
+                          left: 12,
+                          right: 12,
+                          top: 2,
+                          bottom: hasAttachment ? 4 : 0,
+                        );
+                      }),
+                ],
+              ),
+            ),
+          ],
+        ),
+      ],
+    );
+  }
+}

lib/widgets/navigation/app_navigation_bottom_bar.dart

@@ -15,18 +15,21 @@ class _AppNavigationBottomBarState extends State<AppNavigationBottomBar> {
   @override
   Widget build(BuildContext context) {
     return BottomNavigationBar(
-      items: AppNavigation.destinations.map(
+      items: AppNavigation.destinations
-        (e) => BottomNavigationBarItem(
+          .map(
-          icon: e.icon,
+            (e) => BottomNavigationBarItem(
-          label: e.label,
+              icon: e.icon,
-        ),
+              label: e.label,
-      ).toList(),
+            ),
+          )
+          .toList(),
       landscapeLayout: BottomNavigationBarLandscapeLayout.centered,
       currentIndex: _selectedIndex,
       showUnselectedLabels: false,
       onTap: (idx) {
         setState(() => _selectedIndex = idx);
-        AppRouter.instance.goNamed(AppNavigation.destinations[idx].page);
+        AppRouter.instance
+            .pushReplacementNamed(AppNavigation.destinations[idx].page);
       },
     );
   }

lib/widgets/navigation/app_navigation_rail.dart

@@ -27,7 +27,8 @@ class _AppNavigationRailState extends State<AppNavigationRail> {
       selectedIndex: _selectedIndex,
       onDestinationSelected: (idx) {
         setState(() => _selectedIndex = idx);
-        AppRouter.instance.pushNamed(AppNavigation.destinations[idx].page);
+        AppRouter.instance
+            .pushReplacementNamed(AppNavigation.destinations[idx].page);
       },
     );
   }

macos/Podfile.lock

@@ -1,6 +1,8 @@
 PODS:
   - file_selector_macos (0.0.1):
     - FlutterMacOS
+  - flutter_local_notifications (0.0.1):
+    - FlutterMacOS
   - flutter_secure_storage_macos (6.1.1):
     - FlutterMacOS
   - FlutterMacOS (1.0.0)
@@ -12,6 +14,7 @@ PODS:
 
 DEPENDENCIES:
   - file_selector_macos (from `Flutter/ephemeral/.symlinks/plugins/file_selector_macos/macos`)
+  - flutter_local_notifications (from `Flutter/ephemeral/.symlinks/plugins/flutter_local_notifications/macos`)
   - flutter_secure_storage_macos (from `Flutter/ephemeral/.symlinks/plugins/flutter_secure_storage_macos/macos`)
   - FlutterMacOS (from `Flutter/ephemeral`)
   - path_provider_foundation (from `Flutter/ephemeral/.symlinks/plugins/path_provider_foundation/darwin`)
@@ -20,6 +23,8 @@ DEPENDENCIES:
 EXTERNAL SOURCES:
   file_selector_macos:
     :path: Flutter/ephemeral/.symlinks/plugins/file_selector_macos/macos
+  flutter_local_notifications:
+    :path: Flutter/ephemeral/.symlinks/plugins/flutter_local_notifications/macos
   flutter_secure_storage_macos:
     :path: Flutter/ephemeral/.symlinks/plugins/flutter_secure_storage_macos/macos
   FlutterMacOS:
@@ -31,6 +36,7 @@ EXTERNAL SOURCES:
 
 SPEC CHECKSUMS:
   file_selector_macos: 54fdab7caa3ac3fc43c9fac4d7d8d231277f8cf2
+  flutter_local_notifications: 3805ca215b2fb7f397d78b66db91f6a747af52e4
   flutter_secure_storage_macos: 59459653abe1adb92abbc8ea747d79f8d19866c9
   FlutterMacOS: 8f6f14fa908a6fb3fba0cd85dbd81ec4b251fb24
   path_provider_foundation: 2b6b4c569c0fb62ec74538f866245ac84301af46

macos/Runner.xcodeproj/project.pbxproj

@@ -120,7 +120,6 @@
 				1B3B8DF79807852D828EBE0C /* Pods-RunnerTests.release.xcconfig */,
 				BA5247A2B03173FDFDFCFF93 /* Pods-RunnerTests.profile.xcconfig */,
 			);
-			name = Pods;
 			path = Pods;
 			sourceTree = "<group>";
 		};
@@ -724,13 +723,17 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
 				CODE_SIGN_ENTITLEMENTS = Runner/Release.entitlements;
+				"CODE_SIGN_IDENTITY[sdk=macosx*]" = "Apple Development";
 				CODE_SIGN_STYLE = Automatic;
 				COMBINE_HIDPI_IMAGES = YES;
+				DEVELOPMENT_TEAM = W7HPZ53V6B;
+				ENABLE_HARDENED_RUNTIME = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/../Frameworks",
 				);
+				PRODUCT_BUNDLE_IDENTIFIER = dev.solsynth.solian;
 				PROVISIONING_PROFILE_SPECIFIER = "";
 				SWIFT_VERSION = 5.0;
 			};

macos/Runner/Info.plist

@@ -22,6 +22,11 @@
 	<string>$(FLUTTER_BUILD_NUMBER)</string>
 	<key>LSMinimumSystemVersion</key>
 	<string>$(MACOSX_DEPLOYMENT_TARGET)</string>
+	<key>NSAppTransportSecurity</key>
+	<dict>
+		<key>NSExceptionDomains</key>
+		<dict/>
+	</dict>
 	<key>NSHumanReadableCopyright</key>
 	<string>$(PRODUCT_COPYRIGHT)</string>
 	<key>NSMainNibFile</key>

macos/Runner/Release.entitlements

@@ -4,5 +4,13 @@
 <dict>
 	<key>com.apple.security.app-sandbox</key>
 	<true/>
+	<key>com.apple.security.device.bluetooth</key>
+	<true/>
+	<key>com.apple.security.files.user-selected.read-only</key>
+	<true/>
+	<key>com.apple.security.network.client</key>
+	<true/>
+	<key>com.apple.security.network.server</key>
+	<true/>
 </dict>
 </plist>