ChannelMessageModel.fromJson constructor

ChannelMessageModel.fromJson(Map<String, dynamic> json)

Implementation

ChannelMessageModel.fromJson(Map<String, dynamic> json)
    : message = json['message'],
      nickName = json['nickName'],
      clientKey = json['clientKey'],
      roomId = json['roomId'],
      mimeType = MimeType.getByCode(json['mimeType']),
      messageType = json['messageType'] is MessageType
          ? json['messageType']
          : MessageType.getByCode(json['messageType']),
      userInfo = json['userInfo'] is String
          ? jsonDecode(json['userInfo'])
          : json['userInfo'] {
  if (json['messageDt'] != null) {
    var date = json['messageDt'];
    if (date is DateTime) {
      messageDt = date;
    } else if (date is int) {
      messageDt =
          DateTime.fromMillisecondsSinceEpoch(date, isUtc: true).toLocal();
    } else if (date is String) {
      messageDt = DateTime.utc(
        int.parse(date.substring(0, 4)),
        int.parse(date.substring(4, 6)),
        int.parse(date.substring(6, 8)),
        int.parse(date.substring(8, 10)),
        int.parse(date.substring(10, 12)),
        int.parse(date.substring(12, 14)),
      ).subtract(serverTimezoneOffset).toLocal();
    }
  } else if (json['date'] is String) {
    String date = json['date'];
    messageDt = DateTime.utc(
      int.parse(date.substring(0, 4)),
      int.parse(date.substring(5, 7)),
      int.parse(date.substring(8, 10)),
      int.parse(date.substring(11, 13)),
      int.parse(date.substring(14, 16)),
      int.parse(date.substring(17, 19)),
    ).subtract(serverTimezoneOffset).toLocal();
  } else {
    messageDt = DateTime.now().toLocal();
  }
}