✨ Basic messages & loading

lib/database/message.dart

@@ -0,0 +1,58 @@
+import 'package:drift/drift.dart';
+import 'package:island/models/chat.dart';
+
+class ChatMessages extends Table {
+  TextColumn get id => text()();
+  IntColumn get roomId => integer()();
+  TextColumn get senderId => text()();
+  TextColumn get content => text().nullable()();
+  TextColumn get nonce => text().nullable()();
+  TextColumn get data => text()();
+  DateTimeColumn get createdAt => dateTime()();
+  IntColumn get status => intEnum<MessageStatus>()();
+
+  @override
+  Set<Column> get primaryKey => {id};
+}
+
+class LocalChatMessage {
+  final String id;
+  final int roomId;
+  final String senderId;
+  final Map<String, dynamic> data;
+  final DateTime createdAt;
+  MessageStatus status;
+  final String? nonce;
+
+  LocalChatMessage({
+    required this.id,
+    required this.roomId,
+    required this.senderId,
+    required this.data,
+    required this.createdAt,
+    required this.status,
+    this.nonce,
+  });
+
+  SnChatMessage toRemoteMessage() {
+    return SnChatMessage.fromJson(data);
+  }
+
+  static LocalChatMessage fromRemoteMessage(
+    SnChatMessage message,
+    MessageStatus status, {
+    String? nonce,
+  }) {
+    return LocalChatMessage(
+      id: message.id,
+      roomId: message.chatRoomId,
+      senderId: message.senderId,
+      data: message.toJson(),
+      createdAt: message.createdAt,
+      status: status,
+      nonce: nonce ?? message.nonce,
+    );
+  }
+}
+
+enum MessageStatus { pending, sent, failed }