♻️ Use drift instead for floor

lib/providers/database/tables/json.dart

@@ -0,0 +1,13 @@
+import 'dart:convert';
+
+import 'package:drift/drift.dart';
+
+class JsonConverter extends TypeConverter<Object?, String> {
+  const JsonConverter();
+
+  @override
+  Object? fromSql(String fromDb) => jsonDecode(fromDb);
+
+  @override
+  String toSql(Object? value) => jsonEncode(value);
+}

lib/providers/database/tables/messages.dart

@@ -0,0 +1,22 @@
+import 'dart:convert';
+
+import 'package:drift/drift.dart';
+import 'package:solian/models/event.dart';
+
+class LocalMessageEventTable extends Table {
+  IntColumn get id => integer().autoIncrement()();
+  IntColumn get channelId => integer()();
+  TextColumn get data => text().map(const MessageEventConverter())();
+  DateTimeColumn get createdAt =>
+      dateTime().withDefault(Constant(DateTime.now()))();
+}
+
+class MessageEventConverter extends TypeConverter<Event?, String> {
+  const MessageEventConverter();
+
+  @override
+  Event? fromSql(String fromDb) => Event.fromJson(jsonDecode(fromDb));
+
+  @override
+  String toSql(Event? value) => jsonEncode(value?.toJson());
+}