pharmacy/lib/models/ChatMessage.dart

import 'package:meta/meta.dart';
import 'dart:convert';

// Define chatMessageFromJson and chatMessageToJson at the top level
ChatMessage chatMessageFromJson(String str) => ChatMessage.fromJson(json.decode(str));

String chatMessageToJson(ChatMessage data) => json.encode(data.toJson());

class ChatMessage {
  String senderId;
  String receiverId;
  String messageType;
  String messageContent;

  ChatMessage({
    required this.senderId,
    required this.receiverId,
    required this.messageType,
    required this.messageContent,
  });

  factory ChatMessage.fromJson(Map<String, dynamic> json) => ChatMessage(
    senderId: json["senderId"],
    receiverId: json["receiverId"],
    messageType: json["messageType"],
    messageContent: json["messageContent"],
  );

  Map<String, dynamic> toJson() => {
    "senderId": senderId,
    "receiverId": receiverId,
    "messageType": messageType,
    "messageContent": messageContent,
  };
}