♻️ Basic things to move to events system

2024-06-28 00:05:43 +08:00
parent e84bca8948
commit bbc9ea69f7
14 changed files with 416 additions and 308 deletions
--- a/lib/controllers/chat_events_controller.dart
+++ b/lib/controllers/chat_events_controller.dart
@@ -0,0 +1,119 @@
+import 'package:get/get.dart';
+import 'package:solian/models/channel.dart';
+import 'package:solian/models/event.dart';
+import 'package:solian/platform.dart';
+import 'package:solian/providers/message/helper.dart';
+import 'package:solian/providers/message/events.dart';
+
+class ChatEventController {
+  late final MessageHistoryDb database;
+
+  final RxList<LocalEvent> currentEvents = RxList.empty(growable: true);
+  final RxInt totalEvents = 0.obs;
+
+  final RxBool isLoading = false.obs;
+
+  Channel? channel;
+
+  initialize() async {
+    database = await createHistoryDb();
+    currentEvents.clear();
+  }
+
+  Future<void> getEvents(Channel channel, String scope) async {
+    syncLocal(channel);
+
+    isLoading.value = true;
+    final result = await database.syncEvents(
+      channel,
+      scope: scope,
+    );
+    totalEvents.value = result?.$2 ?? 0;
+    if (!await syncLocal(channel) && result != null) {
+      currentEvents.addAll(result.$1.map(
+        (x) => LocalEvent(
+          x.id,
+          x,
+          x.channelId,
+          x.createdAt,
+        ),
+      ));
+    }
+    isLoading.value = false;
+  }
+
+  Future<void> loadEvents(Channel channel, String scope) async {
+    isLoading.value = true;
+    final result = await database.syncEvents(
+      channel,
+      depth: 3,
+      scope: scope,
+      offset: currentEvents.length,
+    );
+    totalEvents.value = result?.$2 ?? 0;
+    if (!await syncLocal(channel) && result != null) {
+      currentEvents.addAll(result.$1.map(
+        (x) => LocalEvent(
+          x.id,
+          x,
+          x.channelId,
+          x.createdAt,
+        ),
+      ));
+    }
+    isLoading.value = false;
+  }
+
+  Future<bool> syncLocal(Channel channel) async {
+    if (PlatformInfo.isWeb) return false;
+    currentEvents.replaceRange(
+      0,
+      currentEvents.length,
+      await database.localEvents.findAllByChannel(channel.id),
+    );
+    return true;
+  }
+
+  receiveEvent(Event remote) async {
+    final entry = await database.receiveEvent(remote);
+
+    if (remote.channelId != channel?.id) return;
+
+    final idx = currentEvents.indexWhere((x) => x.data.uuid == remote.uuid);
+    if (idx != -1) {
+      currentEvents[idx] = entry;
+    } else {
+      currentEvents.insert(0, entry);
+    }
+
+    switch (remote.type) {
+      case 'messages.edit':
+        final body = EventMessageBody.fromJson(remote.body);
+        if (body.relatedEvent != null) {
+          final idx =
+              currentEvents.indexWhere((x) => x.data.id == body.relatedEvent);
+          if (idx != -1) {
+            currentEvents[idx].data.body = remote.body;
+            currentEvents[idx].data.updatedAt = remote.updatedAt;
+          }
+        }
+      case 'messages.delete':
+        final body = EventMessageBody.fromJson(remote.body);
+        if (body.relatedEvent != null) {
+          currentEvents.removeWhere((x) => x.id == body.relatedEvent);
+        }
+    }
+  }
+
+  addPendingEvent(Event info) async {
+    currentEvents.insert(
+      0,
+      LocalEvent(
+        info.id,
+        info,
+        info.channelId,
+        DateTime.now(),
+      ),
+    );
+  }
+}
--- a/lib/controllers/chat_history_controller.dart
+++ b/lib/controllers/chat_history_controller.dart
@@ -1,83 +0,0 @@
-import 'package:get/get.dart';
-import 'package:solian/models/channel.dart';
-import 'package:solian/models/message.dart';
-import 'package:solian/providers/message/helper.dart';
-import 'package:solian/providers/message/history.dart';
-
-class ChatHistoryController {
-  late final MessageHistoryDb database;
-
-  final RxList<LocalMessage> currentHistory = RxList.empty(growable: true);
-  final RxInt totalHistoryCount = 0.obs;
-
-  final RxBool isLoading = false.obs;
-
-  initialize() async {
-    database = await createHistoryDb();
-    currentHistory.clear();
-  }
-
-  Future<void> getMessages(Channel channel, String scope) async {
-    syncHistory(channel);
-
-    isLoading.value = true;
-    totalHistoryCount.value = await database.syncMessages(
-      channel,
-      scope: scope,
-    );
-    await syncHistory(channel);
-    isLoading.value = false;
-  }
-
-  Future<void> getMoreMessages(Channel channel, String scope) async {
-    isLoading.value = true;
-    totalHistoryCount.value = await database.syncMessages(
-      channel,
-      breath: 3,
-      scope: scope,
-      offset: currentHistory.length,
-    );
-    await syncHistory(channel);
-    isLoading.value = false;
-  }
-
-  Future<void> syncHistory(Channel channel) async {
-    currentHistory.replaceRange(0, currentHistory.length,
-        await database.localMessages.findAllByChannel(channel.id));
-  }
-
-  receiveMessage(Message remote) async {
-    final entry = await database.receiveMessage(remote);
-    final idx = currentHistory.indexWhere((x) => x.data.uuid == remote.uuid);
-    if (idx != -1) {
-      currentHistory[idx] = entry;
-    } else {
-      currentHistory.insert(0, entry);
-    }
-  }
-
-  addTemporaryMessage(Message info) async {
-    currentHistory.insert(
-      0,
-      LocalMessage(
-        info.id,
-        info,
-        info.channelId,
-      ),
-    );
-  }
-
-  void replaceMessage(Message remote) async {
-    final entry = await database.replaceMessage(remote);
-    currentHistory.replaceRange(
-      0,
-      currentHistory.length,
-      currentHistory.map((x) => x.id == entry.id ? entry : x),
-    );
-  }
-
-  void burnMessage(int id) async {
-    await database.burnMessage(id);
-    currentHistory.removeWhere((x) => x.id == id);
-  }
-}
--- a/lib/models/message.dart
+++ b/lib/models/message.dart
@@ -1,31 +1,31 @@
 import 'package:solian/models/account.dart';
 import 'package:solian/models/channel.dart';

-class Message {
+class Event {
  int id;
  String uuid;
  DateTime createdAt;
  DateTime updatedAt;
  DateTime? deletedAt;
-  Map<String, dynamic> content;
+  Map<String, dynamic> body;
  String type;
  List<int>? attachments;
  Channel? channel;
  Sender sender;
  int? replyId;
-  Message? replyTo;
+  Event? replyTo;
  int channelId;
  int senderId;

  bool isSending = false;

-  Message({
+  Event({
    required this.id,
    required this.uuid,
    required this.createdAt,
    required this.updatedAt,
    this.deletedAt,
-    required this.content,
+    required this.body,
    required this.type,
    this.attachments,
    this.channel,
@@ -36,13 +36,13 @@ class Message {
    required this.senderId,
  });

-  factory Message.fromJson(Map<String, dynamic> json) => Message(
+  factory Event.fromJson(Map<String, dynamic> json) => Event(
        id: json['id'],
        uuid: json['uuid'],
        createdAt: DateTime.parse(json['created_at']),
        updatedAt: DateTime.parse(json['updated_at']),
        deletedAt: json['deleted_at'],
-        content: json['content'],
+        body: json['body'],
        type: json['type'],
        attachments: json['attachments'] != null
            ? List<int>.from(json['attachments'])
@@ -51,9 +51,8 @@ class Message {
            json['channel'] != null ? Channel.fromJson(json['channel']) : null,
        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 ? Event.fromJson(json['reply_to']) : null,
        channelId: json['channel_id'],
        senderId: json['sender_id'],
      );
@@ -64,7 +63,7 @@ class Message {
        'created_at': createdAt.toIso8601String(),
        'updated_at': updatedAt.toIso8601String(),
        'deleted_at': deletedAt,
-        'content': content,
+        'body': body,
        'type': type,
        'attachments': attachments,
        'channel': channel?.toJson(),
@@ -76,6 +75,47 @@ class Message {
      };
 }

+class EventMessageBody {
+  String text;
+  String algorithm;
+  List<int>? attachments;
+  int? quoteEvent;
+  int? relatedEvent;
+  List<int>? relatedUsers;
+
+  EventMessageBody({
+    required this.text,
+    required this.algorithm,
+    required this.attachments,
+    required this.quoteEvent,
+    required this.relatedEvent,
+    required this.relatedUsers,
+  });
+
+  factory EventMessageBody.fromJson(Map<String, dynamic> json) =>
+      EventMessageBody(
+        text: json['text'],
+        algorithm: json['algorithm'],
+        attachments: json['attachments'] != null
+            ? List<int>.from(json['attachments'].map((x) => x))
+            : null,
+        quoteEvent: json['quote_event'],
+        relatedEvent: json['related_event'],
+        relatedUsers: json['related_users'] != null
+            ? List<int>.from(json['related_users'].map((x) => x))
+            : null,
+      );
+
+  Map<String, dynamic> toJson() => {
+        'text': text,
+        'algorithm': algorithm,
+        'attachments': attachments?.cast<dynamic>(),
+        'quote_event': quoteEvent,
+        'related_event': relatedEvent,
+        'related_users': relatedUsers?.cast<dynamic>(),
+      };
+}
+
 class Sender {
  int id;
  DateTime createdAt;
--- a/lib/providers/auth.dart
+++ b/lib/providers/auth.dart
@@ -6,7 +6,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import 'package:get/get.dart';
 import 'package:get/get_connect/http/src/request/request.dart';
-import 'package:solian/controllers/chat_history_controller.dart';
+import 'package:solian/controllers/chat_events_controller.dart';
 import 'package:solian/providers/account.dart';
 import 'package:solian/providers/chat.dart';
 import 'package:solian/services.dart';
@@ -136,9 +136,9 @@ class AuthProvider extends GetConnect {
    Get.find<AccountProvider>().notifications.clear();
    Get.find<AccountProvider>().notificationUnread.value = 0;

-    final chatHistory = ChatHistoryController();
+    final chatHistory = ChatEventController();
    chatHistory.initialize().then((_) async {
-      await chatHistory.database.localMessages.wipeLocalMessages();
+      await chatHistory.database.localEvents.wipeLocalEvents();
    });

    storage.deleteAll();
--- a/lib/providers/message/events.dart
+++ b/lib/providers/message/events.dart
@@ -0,0 +1,83 @@
+import 'dart:async';
+import 'dart:convert';
+import 'package:floor/floor.dart';
+import 'package:solian/models/event.dart';
+import 'package:sqflite/sqflite.dart' as sqflite;
+
+part 'events.g.dart';
+
+@entity
+class LocalEvent {
+  @primaryKey
+  final int id;
+
+  final Event data;
+  final int channelId;
+
+  final DateTime createdAt;
+
+  LocalEvent(this.id, this.data, this.channelId, this.createdAt);
+}
+
+class DateTimeConverter extends TypeConverter<DateTime, int> {
+  @override
+  DateTime decode(int databaseValue) {
+    return DateTime.fromMillisecondsSinceEpoch(databaseValue);
+  }
+
+  @override
+  int encode(DateTime value) {
+    return value.millisecondsSinceEpoch;
+  }
+}
+
+class RemoteEventConverter extends TypeConverter<Event, String> {
+  @override
+  Event decode(String databaseValue) {
+    return Event.fromJson(jsonDecode(databaseValue));
+  }
+
+  @override
+  String encode(Event value) {
+    return jsonEncode(value.toJson());
+  }
+}
+
+@dao
+abstract class LocalEventDao {
+  @Query('SELECT COUNT(id) FROM LocalEvent WHERE channelId = :channelId')
+  Future<int?> countByChannel(int channelId);
+
+  @Query('SELECT * FROM LocalEvent WHERE id = :id')
+  Future<LocalEvent?> findById(int id);
+
+  @Query('SELECT * FROM LocalEvent WHERE channelId = :channelId ORDER BY createdAt DESC')
+  Future<List<LocalEvent>> findAllByChannel(int channelId);
+
+  @Query('SELECT * FROM LocalEvent WHERE channelId = :channelId ORDER BY createdAt DESC LIMIT 1')
+  Future<LocalEvent?> findLastByChannel(int channelId);
+
+  @Insert(onConflict: OnConflictStrategy.replace)
+  Future<void> insert(LocalEvent m);
+
+  @Insert(onConflict: OnConflictStrategy.replace)
+  Future<void> insertBulk(List<LocalEvent> m);
+
+  @Update(onConflict: OnConflictStrategy.replace)
+  Future<void> update(LocalEvent m);
+
+  @Query('DELETE FROM LocalEvent WHERE id = :id')
+  Future<void> delete(int id);
+
+  @Query('DELETE FROM LocalEvent WHERE channelId = :channelId')
+  Future<List<LocalEvent>> deleteByChannel(int channelId);
+
+  @Query('DELETE FROM LocalEvent')
+  Future<void> wipeLocalEvents();
+}
+
+@TypeConverters([DateTimeConverter, RemoteEventConverter])
+@Database(version: 2, entities: [LocalEvent])
+abstract class MessageHistoryDb extends FloorDatabase {
+  LocalEventDao get localEvents;
+}
--- a/lib/providers/message/history.g.dart
+++ b/lib/providers/message/history.g.dart
@@ -1,6 +1,6 @@
 // GENERATED CODE - DO NOT MODIFY BY HAND

-part of 'history.dart';
+part of 'events.dart';

 // **************************************************************************
 // FloorGenerator
@@ -72,7 +72,7 @@ class _$MessageHistoryDb extends MessageHistoryDb {
    changeListener = listener ?? StreamController<String>.broadcast();
  }

-  LocalMessageDao? _localMessagesInstance;
+  LocalEventDao? _localEventsInstance;

  Future<sqflite.Database> open(
    String path,
@@ -80,7 +80,7 @@ class _$MessageHistoryDb extends MessageHistoryDb {
    Callback? callback,
  ]) async {
    final databaseOptions = sqflite.OpenDatabaseOptions(
-      version: 1,
+      version: 2,
      onConfigure: (database) async {
        await database.execute('PRAGMA foreign_keys = ON');
        await callback?.onConfigure?.call(database);
@@ -96,7 +96,7 @@ class _$MessageHistoryDb extends MessageHistoryDb {
      },
      onCreate: (database, version) async {
        await database.execute(
-            'CREATE TABLE IF NOT EXISTS `LocalMessage` (`id` INTEGER NOT NULL, `data` TEXT NOT NULL, `channelId` INTEGER NOT NULL, PRIMARY KEY (`id`))');
+            'CREATE TABLE IF NOT EXISTS `LocalEvent` (`id` INTEGER NOT NULL, `data` TEXT NOT NULL, `channelId` INTEGER NOT NULL, `createdAt` INTEGER NOT NULL, PRIMARY KEY (`id`))');

        await callback?.onCreate?.call(database, version);
      },
@@ -105,33 +105,34 @@ class _$MessageHistoryDb extends MessageHistoryDb {
  }

  @override
-  LocalMessageDao get localMessages {
-    return _localMessagesInstance ??=
-        _$LocalMessageDao(database, changeListener);
+  LocalEventDao get localEvents {
+    return _localEventsInstance ??= _$LocalEventDao(database, changeListener);
  }
 }

-class _$LocalMessageDao extends LocalMessageDao {
-  _$LocalMessageDao(
+class _$LocalEventDao extends LocalEventDao {
+  _$LocalEventDao(
    this.database,
    this.changeListener,
  )   : _queryAdapter = QueryAdapter(database),
-        _localMessageInsertionAdapter = InsertionAdapter(
+        _localEventInsertionAdapter = InsertionAdapter(
            database,
-            'LocalMessage',
-            (LocalMessage item) => <String, Object?>{
+            'LocalEvent',
+            (LocalEvent item) => <String, Object?>{
                  'id': item.id,
-                  'data': _remoteMessageConverter.encode(item.data),
-                  'channelId': item.channelId
+                  'data': _remoteEventConverter.encode(item.data),
+                  'channelId': item.channelId,
+                  'createdAt': _dateTimeConverter.encode(item.createdAt)
                }),
-        _localMessageUpdateAdapter = UpdateAdapter(
+        _localEventUpdateAdapter = UpdateAdapter(
            database,
-            'LocalMessage',
+            'LocalEvent',
            ['id'],
-            (LocalMessage item) => <String, Object?>{
+            (LocalEvent item) => <String, Object?>{
                  'id': item.id,
-                  'data': _remoteMessageConverter.encode(item.data),
-                  'channelId': item.channelId
+                  'data': _remoteEventConverter.encode(item.data),
+                  'channelId': item.channelId,
+                  'createdAt': _dateTimeConverter.encode(item.createdAt)
                });

  final sqflite.DatabaseExecutor database;
@@ -140,75 +141,88 @@ class _$LocalMessageDao extends LocalMessageDao {

  final QueryAdapter _queryAdapter;

-  final InsertionAdapter<LocalMessage> _localMessageInsertionAdapter;
+  final InsertionAdapter<LocalEvent> _localEventInsertionAdapter;

-  final UpdateAdapter<LocalMessage> _localMessageUpdateAdapter;
+  final UpdateAdapter<LocalEvent> _localEventUpdateAdapter;

  @override
  Future<int?> countByChannel(int channelId) async {
    return _queryAdapter.query(
-        'SELECT COUNT(id) FROM LocalMessage WHERE channelId = ?1',
+        'SELECT COUNT(id) FROM LocalEvent WHERE channelId = ?1',
        mapper: (Map<String, Object?> row) => row.values.first as int,
        arguments: [channelId]);
  }

  @override
-  Future<List<LocalMessage>> findAllByChannel(int channelId) async {
-    return _queryAdapter.queryList(
-        'SELECT * FROM LocalMessage WHERE channelId = ?1 ORDER BY id DESC',
-        mapper: (Map<String, Object?> row) => LocalMessage(
+  Future<LocalEvent?> findById(int id) async {
+    return _queryAdapter.query('SELECT * FROM LocalEvent WHERE id = ?1',
+        mapper: (Map<String, Object?> row) => LocalEvent(
            row['id'] as int,
-            _remoteMessageConverter.decode(row['data'] as String),
-            row['channelId'] as int),
+            _remoteEventConverter.decode(row['data'] as String),
+            row['channelId'] as int,
+            _dateTimeConverter.decode(row['createdAt'] as int)),
+        arguments: [id]);
+  }
+
+  @override
+  Future<List<LocalEvent>> findAllByChannel(int channelId) async {
+    return _queryAdapter.queryList(
+        'SELECT * FROM LocalEvent WHERE channelId = ?1 ORDER BY createdAt DESC',
+        mapper: (Map<String, Object?> row) => LocalEvent(
+            row['id'] as int,
+            _remoteEventConverter.decode(row['data'] as String),
+            row['channelId'] as int,
+            _dateTimeConverter.decode(row['createdAt'] as int)),
        arguments: [channelId]);
  }

  @override
-  Future<LocalMessage?> findLastByChannel(int channelId) async {
+  Future<LocalEvent?> findLastByChannel(int channelId) async {
    return _queryAdapter.query(
-        'SELECT * FROM LocalMessage WHERE channelId = ?1 ORDER BY id DESC LIMIT 1',
-        mapper: (Map<String, Object?> row) => LocalMessage(row['id'] as int, _remoteMessageConverter.decode(row['data'] as String), row['channelId'] as int),
+        'SELECT * FROM LocalEvent WHERE channelId = ?1 ORDER BY createdAt DESC LIMIT 1',
+        mapper: (Map<String, Object?> row) => LocalEvent(row['id'] as int, _remoteEventConverter.decode(row['data'] as String), row['channelId'] as int, _dateTimeConverter.decode(row['createdAt'] as int)),
        arguments: [channelId]);
  }

  @override
  Future<void> delete(int id) async {
-    await _queryAdapter.queryNoReturn('DELETE FROM LocalMessage WHERE id = ?1',
-        arguments: [id]);
+    await _queryAdapter
+        .queryNoReturn('DELETE FROM LocalEvent WHERE id = ?1', arguments: [id]);
  }

  @override
-  Future<List<LocalMessage>> deleteByChannel(int channelId) async {
+  Future<List<LocalEvent>> deleteByChannel(int channelId) async {
    return _queryAdapter.queryList(
-        'DELETE FROM LocalMessage WHERE channelId = ?1',
-        mapper: (Map<String, Object?> row) => LocalMessage(
+        'DELETE FROM LocalEvent WHERE channelId = ?1',
+        mapper: (Map<String, Object?> row) => LocalEvent(
            row['id'] as int,
-            _remoteMessageConverter.decode(row['data'] as String),
-            row['channelId'] as int),
+            _remoteEventConverter.decode(row['data'] as String),
+            row['channelId'] as int,
+            _dateTimeConverter.decode(row['createdAt'] as int)),
        arguments: [channelId]);
  }

  @override
-  Future<void> wipeLocalMessages() async {
-    await _queryAdapter.queryNoReturn('DELETE FROM LocalMessage');
+  Future<void> wipeLocalEvents() async {
+    await _queryAdapter.queryNoReturn('DELETE FROM LocalEvent');
  }

  @override
-  Future<void> insert(LocalMessage m) async {
-    await _localMessageInsertionAdapter.insert(m, OnConflictStrategy.replace);
+  Future<void> insert(LocalEvent m) async {
+    await _localEventInsertionAdapter.insert(m, OnConflictStrategy.replace);
  }

  @override
-  Future<void> insertBulk(List<LocalMessage> m) async {
-    await _localMessageInsertionAdapter.insertList(
-        m, OnConflictStrategy.replace);
+  Future<void> insertBulk(List<LocalEvent> m) async {
+    await _localEventInsertionAdapter.insertList(m, OnConflictStrategy.replace);
  }

  @override
-  Future<void> update(LocalMessage person) async {
-    await _localMessageUpdateAdapter.update(person, OnConflictStrategy.replace);
+  Future<void> update(LocalEvent m) async {
+    await _localEventUpdateAdapter.update(m, OnConflictStrategy.replace);
  }
 }

 // ignore_for_file: unused_element
-final _remoteMessageConverter = RemoteMessageConverter();
+final _dateTimeConverter = DateTimeConverter();
+final _remoteEventConverter = RemoteEventConverter();
--- a/lib/providers/message/helper.dart
+++ b/lib/providers/message/helper.dart
@@ -1,71 +1,84 @@
+import 'package:floor/floor.dart';
 import 'package:get/get.dart';
 import 'package:solian/models/channel.dart';
-import 'package:solian/models/message.dart';
+import 'package:solian/models/event.dart';
 import 'package:solian/models/pagination.dart';
+import 'package:solian/platform.dart';
 import 'package:solian/providers/auth.dart';
-import 'package:solian/providers/message/history.dart';
+import 'package:solian/providers/message/events.dart';

 Future<MessageHistoryDb> createHistoryDb() async {
+  final migration1to2 = Migration(1, 2, (database) async {
+    await database.execute('DROP TABLE IF EXISTS LocalMessage');
+  });
+
  return await $FloorMessageHistoryDb
      .databaseBuilder('messaging_data.dart')
-      .build();
+      .addMigrations([migration1to2]).build();
 }

 extension MessageHistoryHelper on MessageHistoryDb {
-  receiveMessage(Message remote) async {
-    final entry = LocalMessage(
+  receiveEvent(Event remote) async {
+    final entry = LocalEvent(
      remote.id,
      remote,
      remote.channelId,
+      remote.createdAt,
    );
-    await localMessages.insert(entry);
+    await localEvents.insert(entry);
+    switch (remote.type) {
+      case 'messages.edit':
+        final body = EventMessageBody.fromJson(remote.body);
+        if (body.relatedEvent != null) {
+          final target = await localEvents.findById(body.relatedEvent!);
+          if (target != null) {
+            target.data.body = remote.body;
+            target.data.updatedAt = remote.updatedAt;
+            await localEvents.update(target);
+          }
+        }
+      case 'messages.delete':
+        final body = EventMessageBody.fromJson(remote.body);
+        if (body.relatedEvent != null) {
+          await localEvents.delete(body.relatedEvent!);
+        }
+    }
    return entry;
  }

-  replaceMessage(Message remote) async {
-    final entry = LocalMessage(
-      remote.id,
-      remote,
-      remote.channelId,
-    );
-    await localMessages.update(entry);
-    return entry;
-  }
+  Future<(List<Event>, int)?> syncEvents(Channel channel,
+      {String scope = 'global', depth = 10, offset = 0}) async {
+    final lastOne = await localEvents.findLastByChannel(channel.id);

-  burnMessage(int id) async {
-    await localMessages.delete(id);
-  }
-
-  syncMessages(Channel channel, {String scope = 'global', breath = 10, offset = 0}) async {
-    final lastOne = await localMessages.findLastByChannel(channel.id);
-
-    final data = await _getRemoteMessages(
+    final data = await _getRemoteEvents(
      channel,
      scope,
-      remainBreath: breath,
+      remainDepth: depth,
      offset: offset,
      onBrake: (items) {
        return items.any((x) => x.id == lastOne?.id);
      },
    );
-    if (data != null) {
-      await localMessages.insertBulk(
-        data.$1.map((x) => LocalMessage(x.id, x, x.channelId)).toList(),
+    if (data != null && !PlatformInfo.isWeb) {
+      await localEvents.insertBulk(
+        data.$1
+            .map((x) => LocalEvent(x.id, x, x.channelId, x.createdAt))
+            .toList(),
      );
    }

-    return data?.$2 ?? 0;
+    return data;
  }

-  Future<(List<Message>, int)?> _getRemoteMessages(
+  Future<(List<Event>, int)?> _getRemoteEvents(
    Channel channel,
    String scope, {
-    required int remainBreath,
-    bool Function(List<Message> items)? onBrake,
+    required int remainDepth,
+    bool Function(List<Event> items)? onBrake,
    take = 10,
    offset = 0,
  }) async {
-    if (remainBreath <= 0) {
+    if (remainDepth <= 0) {
      return null;
    }

@@ -75,7 +88,8 @@ extension MessageHistoryHelper on MessageHistoryDb {
    final client = auth.configureClient('messaging');

    final resp = await client.get(
-        '/api/channels/$scope/${channel.alias}/messages?take=$take&offset=$offset');
+      '/api/channels/$scope/${channel.alias}/events?take=$take&offset=$offset',
+    );

    if (resp.statusCode != 200) {
      throw Exception(resp.bodyString);
@@ -83,16 +97,16 @@ extension MessageHistoryHelper on MessageHistoryDb {

    final PaginationResult response = PaginationResult.fromJson(resp.body);
    final result =
-        response.data?.map((e) => Message.fromJson(e)).toList() ?? List.empty();
+        response.data?.map((e) => Event.fromJson(e)).toList() ?? List.empty();

    if (onBrake != null && onBrake(result)) {
      return (result, response.count);
    }

-    final expandResult = (await _getRemoteMessages(
+    final expandResult = (await _getRemoteEvents(
          channel,
          scope,
-          remainBreath: remainBreath - 1,
+          remainDepth: remainDepth - 1,
          take: take,
          offset: offset + result.length,
        ))
@@ -102,7 +116,7 @@ extension MessageHistoryHelper on MessageHistoryDb {
    return ([...result, ...expandResult], response.count);
  }

-  Future<List<LocalMessage>> listMessages(Channel channel) async {
-    return await localMessages.findAllByChannel(channel.id);
+  Future<List<LocalEvent>> listMessages(Channel channel) async {
+    return await localEvents.findAllByChannel(channel.id);
  }
 }
--- a/lib/providers/message/history.dart
+++ b/lib/providers/message/history.dart
@@ -1,66 +0,0 @@
-import 'dart:async';
-import 'dart:convert';
-import 'package:floor/floor.dart';
-import 'package:solian/models/message.dart';
-import 'package:sqflite/sqflite.dart' as sqflite;
-
-part 'history.g.dart';
-
-@entity
-class LocalMessage {
-  @primaryKey
-  final int id;
-
-  final Message data;
-  final int channelId;
-
-  LocalMessage(this.id, this.data, this.channelId);
-}
-
-class RemoteMessageConverter extends TypeConverter<Message, String> {
-  @override
-  Message decode(String databaseValue) {
-    return Message.fromJson(jsonDecode(databaseValue));
-  }
-
-  @override
-  String encode(Message value) {
-    return jsonEncode(value.toJson());
-  }
-}
-
-@dao
-abstract class LocalMessageDao {
-  @Query('SELECT COUNT(id) FROM LocalMessage WHERE channelId = :channelId')
-  Future<int?> countByChannel(int channelId);
-
-  @Query('SELECT * FROM LocalMessage WHERE channelId = :channelId ORDER BY id DESC')
-  Future<List<LocalMessage>> findAllByChannel(int channelId);
-
-  @Query('SELECT * FROM LocalMessage WHERE channelId = :channelId ORDER BY id DESC LIMIT 1')
-  Future<LocalMessage?> findLastByChannel(int channelId);
-
-  @Insert(onConflict: OnConflictStrategy.replace)
-  Future<void> insert(LocalMessage m);
-
-  @Insert(onConflict: OnConflictStrategy.replace)
-  Future<void> insertBulk(List<LocalMessage> m);
-
-  @Update(onConflict: OnConflictStrategy.replace)
-  Future<void> update(LocalMessage person);
-
-  @Query('DELETE FROM LocalMessage WHERE id = :id')
-  Future<void> delete(int id);
-
-  @Query('DELETE FROM LocalMessage WHERE channelId = :channelId')
-  Future<List<LocalMessage>> deleteByChannel(int channelId);
-
-  @Query('DELETE FROM LocalMessage')
-  Future<void> wipeLocalMessages();
-}
-
-@TypeConverters([RemoteMessageConverter])
-@Database(version: 1, entities: [LocalMessage])
-abstract class MessageHistoryDb extends FloorDatabase {
-  LocalMessageDao get localMessages;
-}
--- a/lib/screens/channel/channel_chat.dart
+++ b/lib/screens/channel/channel_chat.dart
@@ -4,11 +4,11 @@ import 'dart:ui';
 import 'package:flutter/material.dart';
 import 'package:flutter_animate/flutter_animate.dart';
 import 'package:get/get.dart';
-import 'package:solian/controllers/chat_history_controller.dart';
+import 'package:solian/controllers/chat_events_controller.dart';
 import 'package:solian/exts.dart';
 import 'package:solian/models/call.dart';
 import 'package:solian/models/channel.dart';
-import 'package:solian/models/message.dart';
+import 'package:solian/models/event.dart';
 import 'package:solian/models/packet.dart';
 import 'package:solian/providers/auth.dart';
 import 'package:solian/providers/chat.dart';
@@ -50,7 +50,7 @@ class _ChannelChatScreenState extends State<ChannelChatScreen> {
  ChannelMember? _channelProfile;
  StreamSubscription<NetworkPackage>? _subscription;

-  late final ChatHistoryController _chatController;
+  late final ChatEventController _chatController;

  getProfile() async {
    final AuthProvider auth = Get.find();
@@ -109,36 +109,22 @@ class _ChannelChatScreenState extends State<ChannelChatScreen> {
    final ChatProvider provider = Get.find();
    _subscription = provider.stream.stream.listen((event) {
      switch (event.method) {
-        case 'messages.new':
-          final payload = Message.fromJson(event.payload!);
-          if (payload.channelId == _channel?.id) {
-            _chatController.receiveMessage(payload);
-          }
-          break;
-        case 'messages.update':
-          final payload = Message.fromJson(event.payload!);
-          if (payload.channelId == _channel?.id) {
-            _chatController.replaceMessage(payload);
-          }
-          break;
-        case 'messages.burnt':
-          final payload = Message.fromJson(event.payload!);
-          if (payload.channelId == _channel?.id) {
-            _chatController.burnMessage(payload.id);
-          }
+        case 'events.new':
+          final payload = Event.fromJson(event.payload!);
+            _chatController.receiveEvent(payload);
          break;
        case 'calls.new':
          final payload = Call.fromJson(event.payload!);
-          _ongoingCall = payload;
+          setState(() => _ongoingCall = payload);
          break;
        case 'calls.end':
-          _ongoingCall = null;
+          setState(() => _ongoingCall = null);
          break;
      }
    });
  }

-  bool checkMessageMergeable(Message? a, Message? b) {
+  bool checkMessageMergeable(Event? a, Event? b) {
    if (a?.replyTo != null) return false;
    if (a == null || b == null) return false;
    if (a.sender.account.id != b.sender.account.id) return false;
@@ -156,10 +142,10 @@ class _ChannelChatScreenState extends State<ChannelChatScreen> {
    );
  }

-  Message? _messageToReplying;
-  Message? _messageToEditing;
+  Event? _messageToReplying;
+  Event? _messageToEditing;

-  Widget buildHistoryBody(Message item, {bool isMerged = false}) {
+  Widget buildHistoryBody(Event item, {bool isMerged = false}) {
    if (item.replyTo != null) {
      return Column(
        children: [
@@ -188,18 +174,18 @@ class _ChannelChatScreenState extends State<ChannelChatScreen> {
    bool isMerged = false, hasMerged = false;
    if (index > 0) {
      hasMerged = checkMessageMergeable(
-        _chatController.currentHistory[index - 1].data,
-        _chatController.currentHistory[index].data,
+        _chatController.currentEvents[index - 1].data,
+        _chatController.currentEvents[index].data,
      );
    }
-    if (index + 1 < _chatController.currentHistory.length) {
+    if (index + 1 < _chatController.currentEvents.length) {
      isMerged = checkMessageMergeable(
-        _chatController.currentHistory[index].data,
-        _chatController.currentHistory[index + 1].data,
+        _chatController.currentEvents[index].data,
+        _chatController.currentEvents[index + 1].data,
      );
    }

-    final item = _chatController.currentHistory[index].data;
+    final item = _chatController.currentEvents[index].data;

    return InkWell(
      child: Container(
@@ -230,18 +216,19 @@ class _ChannelChatScreenState extends State<ChannelChatScreen> {

  @override
  void initState() {
-    _chatController = ChatHistoryController();
+    _chatController = ChatEventController();
    _chatController.initialize();

    getChannel().then((_) {
-      _chatController.getMessages(_channel!, widget.realm);
+      _chatController.channel = _channel!;
+      _chatController.getEvents(_channel!, widget.realm);
+
+      listenMessages();
    });

    getProfile();
    getOngoingCall();

-    listenMessages();
-
    super.initState();
  }

@@ -325,13 +312,13 @@ class _ChannelChatScreenState extends State<ChannelChatScreen> {
                    Obx(() {
                      return SliverList.builder(
                        key: Key('chat-history#${_channel!.id}'),
-                        itemCount: _chatController.currentHistory.length,
+                        itemCount: _chatController.currentEvents.length,
                        itemBuilder: buildHistory,
                      );
                    }),
                    Obx(() {
-                      final amount = _chatController.totalHistoryCount -
-                          _chatController.currentHistory.length;
+                      final amount = _chatController.totalEvents -
+                          _chatController.currentEvents.length;

                      if (amount.value <= 0 ||
                          _chatController.isLoading.isTrue) {
@@ -348,7 +335,7 @@ class _ChannelChatScreenState extends State<ChannelChatScreen> {
                            'count': amount.string,
                          })),
                          onTap: () {
-                            _chatController.getMoreMessages(
+                            _chatController.loadEvents(
                              _channel!,
                              widget.realm,
                            );
@@ -378,9 +365,9 @@ class _ChannelChatScreenState extends State<ChannelChatScreen> {
                      realm: widget.realm,
                      placeholder: placeholder,
                      channel: _channel!,
-                      onSent: (Message item) {
+                      onSent: (Event item) {
                        setState(() {
-                          _chatController.addTemporaryMessage(item);
+                          _chatController.addPendingEvent(item);
                        });
                      },
                      onReset: () {
--- a/lib/services.dart
+++ b/lib/services.dart
@@ -1,7 +1,7 @@
 import 'package:get/get.dart';

 abstract class ServiceFinder {
-  static const bool devFlag = false;
+  static const bool devFlag = true;

  static Map<String, String> services = {
    'paperclip':
--- a/lib/widgets/chat/chat_message.dart
+++ b/lib/widgets/chat/chat_message.dart
@@ -5,7 +5,7 @@ import 'package:flutter_animate/flutter_animate.dart';
 import 'package:flutter_markdown/flutter_markdown.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
 import 'package:get/get.dart';
-import 'package:solian/models/message.dart';
+import 'package:solian/models/event.dart';
 import 'package:solian/widgets/account/account_avatar.dart';
 import 'package:solian/widgets/account/account_profile_popup.dart';
 import 'package:solian/widgets/attachments/attachment_list.dart';
@@ -13,7 +13,7 @@ import 'package:timeago/timeago.dart' show format;
 import 'package:url_launcher/url_launcher_string.dart';

 class ChatMessage extends StatelessWidget {
-  final Message item;
+  final Event item;
  final bool isContentPreviewing;
  final bool isReply;
  final bool isMerged;
@@ -46,7 +46,7 @@ class ChatMessage extends StatelessWidget {
    final hasAttachment = item.attachments?.isNotEmpty ?? false;

    return FutureBuilder(
-      future: decodeContent(item.content),
+      future: decodeContent(item.body),
      builder: (context, snapshot) {
        if (!snapshot.hasData) {
          return Opacity(
--- a/lib/widgets/chat/chat_message_action.dart
+++ b/lib/widgets/chat/chat_message_action.dart
@@ -3,7 +3,7 @@ import 'package:flutter_animate/flutter_animate.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
 import 'package:get/get.dart';
 import 'package:solian/models/channel.dart';
-import 'package:solian/models/message.dart';
+import 'package:solian/models/event.dart';
 import 'package:solian/models/realm.dart';
 import 'package:solian/providers/auth.dart';
 import 'package:solian/widgets/chat/chat_message_deletion.dart';
@@ -11,7 +11,7 @@ import 'package:solian/widgets/chat/chat_message_deletion.dart';
 class ChatMessageAction extends StatefulWidget {
  final Channel channel;
  final Realm? realm;
-  final Message item;
+  final Event item;
  final Function? onEdit;
  final Function? onReply;

--- a/lib/widgets/chat/chat_message_deletion.dart
+++ b/lib/widgets/chat/chat_message_deletion.dart
@@ -2,14 +2,14 @@ import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 import 'package:solian/exts.dart';
 import 'package:solian/models/channel.dart';
-import 'package:solian/models/message.dart';
+import 'package:solian/models/event.dart';
 import 'package:solian/models/realm.dart';
 import 'package:solian/providers/auth.dart';

 class ChatMessageDeletionDialog extends StatefulWidget {
  final Channel channel;
  final Realm? realm;
-  final Message item;
+  final Event item;

  const ChatMessageDeletionDialog({
    super.key,
--- a/lib/widgets/chat/chat_message_input.dart
+++ b/lib/widgets/chat/chat_message_input.dart
@@ -4,19 +4,19 @@ import 'package:get/get.dart';
 import 'package:solian/exts.dart';
 import 'package:solian/models/account.dart';
 import 'package:solian/models/channel.dart';
-import 'package:solian/models/message.dart';
+import 'package:solian/models/event.dart';
 import 'package:solian/providers/auth.dart';
 import 'package:solian/widgets/attachments/attachment_publish.dart';
 import 'package:solian/widgets/chat/chat_message.dart';
 import 'package:uuid/uuid.dart';

 class ChatMessageInput extends StatefulWidget {
-  final Message? edit;
-  final Message? reply;
+  final Event? edit;
+  final Event? reply;
  final String? placeholder;
  final Channel channel;
  final String realm;
-  final Function(Message) onSent;
+  final Function(Event) onSent;
  final Function()? onReset;

  const ChatMessageInput({
@@ -40,8 +40,8 @@ class _ChatMessageInputState extends State<ChatMessageInput> {

  List<int> _attachments = List.empty(growable: true);

-  Message? _editTo;
-  Message? _replyTo;
+  Event? _editTo;
+  Event? _replyTo;

  void showAttachments() {
    showModalBottomSheet(
@@ -89,12 +89,12 @@ class _ChatMessageInputState extends State<ChatMessageInput> {
      accountId: prof.body['id'],
      notify: 0,
    );
-    final message = Message(
+    final message = Event(
      id: 0,
      uuid: payload['uuid'] as String,
      createdAt: DateTime.now(),
      updatedAt: DateTime.now(),
-      content: payload['content'] as Map<String, dynamic>,
+      body: payload['content'] as Map<String, dynamic>,
      type: payload['type'] as String,
      attachments: _attachments,
      sender: sender,
@@ -141,7 +141,7 @@ class _ChatMessageInputState extends State<ChatMessageInput> {
  void syncWidget() {
    if (widget.edit != null) {
      _editTo = widget.edit!;
-      _textController.text = widget.edit!.content['value'];
+      _textController.text = widget.edit!.body['value'];
    }
    if (widget.reply != null) {
      _replyTo = widget.reply!;