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comunicmobile/lib/models/ws_message.dart

37 lines
843 B
Dart

import 'dart:convert';
import 'package:flutter/widgets.dart';
/// WebSocket message
///
/// @author Pierre Hubert
class WsMessage {
final String id;
final String title;
final dynamic data;
const WsMessage({
@required this.id,
@required this.title,
@required this.data,
}) : assert(id != null),
assert(title != null),
assert(title.length > 0);
/// Construct a message from a JSON document (messages coming from the server)
static WsMessage fromJSON(final Map<dynamic, dynamic> m) {
return WsMessage(id: m["id"], title: m["title"], data: m["data"]);
}
/// Turn a message into a JSON object to send it to the API
String toJSON() =>
jsonEncode({
"id": id,
"title": title,
"data": data,
});
bool get hasId => this.id != null && this.id.isNotEmpty;
}