mirror of
https://github.com/Linloir/Simple-TCP-Client.git
synced 2025-12-18 17:28:11 +08:00
95 lines
2.8 KiB
Dart
95 lines
2.8 KiB
Dart
/*
|
|
* @Author : Linloir
|
|
* @Date : 2022-10-11 10:30:05
|
|
* @LastEditTime : 2022-10-11 23:35:45
|
|
* @Description :
|
|
*/
|
|
|
|
import 'dart:convert';
|
|
|
|
import 'package:crypto/crypto.dart';
|
|
import 'package:flutter/foundation.dart';
|
|
import 'package:tcp_client/repositories/common_models/json_encodable.dart';
|
|
import 'package:tcp_client/repositories/local_service_repository/models/local_file.dart';
|
|
|
|
enum MessageType {
|
|
plaintext('plaintext'),
|
|
file('file'),
|
|
image('image');
|
|
|
|
factory MessageType.fromStringLiteral(String value) {
|
|
return MessageType.values.firstWhere((element) => element._value == value);
|
|
}
|
|
const MessageType(String value): _value = value;
|
|
final String _value;
|
|
String get literal => _value;
|
|
}
|
|
|
|
class Message extends JSONEncodable {
|
|
final int _userid;
|
|
final int _targetid;
|
|
final MessageType _contenttype;
|
|
final String _content;
|
|
final int _timestamp;
|
|
late final String _contentmd5;
|
|
late final String? _filemd5;
|
|
final LocalFile? _payload;
|
|
|
|
Message({
|
|
required int userid,
|
|
required int targetid,
|
|
required MessageType contenttype,
|
|
required String content,
|
|
LocalFile? payload,
|
|
required int token
|
|
}):
|
|
_userid = userid,
|
|
_targetid = targetid,
|
|
_contenttype = contenttype,
|
|
_content = base64.encode(utf8.encode(content)),
|
|
_timestamp = DateTime.now().millisecondsSinceEpoch,
|
|
_payload = payload {
|
|
_contentmd5 = md5.convert(
|
|
utf8.encode(content)
|
|
..addAll(Uint8List(4)..buffer.asInt32List()[0] = userid)
|
|
..addAll(Uint8List(4)..buffer.asInt32List()[0] = targetid)
|
|
..addAll(Uint8List(4)..buffer.asInt32List()[0] = _timestamp)
|
|
).toString();
|
|
_filemd5 = _payload?.filemd5;
|
|
}
|
|
|
|
Message.fromJSONObject({
|
|
required Map<String, Object?> jsonObject,
|
|
LocalFile? payload
|
|
}):
|
|
_userid = jsonObject['userid'] as int,
|
|
_targetid = jsonObject['targetid'] as int,
|
|
_contenttype = MessageType.fromStringLiteral(jsonObject['contenttype'] as String),
|
|
_content = jsonObject['content'] as String,
|
|
_timestamp = jsonObject['timestamp'] as int,
|
|
_contentmd5 = jsonObject['md5encoded'] as String,
|
|
_filemd5 = jsonObject['filemd5'] as String,
|
|
_payload = payload;
|
|
|
|
int get senderID => _userid;
|
|
int get recieverID => _targetid;
|
|
MessageType get type => _contenttype;
|
|
String get contentDecoded => utf8.decode(base64.decode(_content));
|
|
String get contentEncoded => _content;
|
|
String get contentmd5 => _contentmd5;
|
|
int get timeStamp => _timestamp;
|
|
String? get filemd5 => _filemd5;
|
|
LocalFile? get payload => _payload;
|
|
|
|
@override
|
|
Map<String, Object?> get jsonObject => {
|
|
'userid': _userid,
|
|
'targetid': _targetid,
|
|
'contenttype': _contenttype.literal,
|
|
'content': _content,
|
|
'timestamp': _timestamp,
|
|
'md5Encoded': _contentmd5,
|
|
'filemd5': payload?.filemd5
|
|
};
|
|
}
|