codigo actual del servidor, con avances de joan

source_code/lib/data_model/payments/nagad_begin_response.dart

@@ -0,0 +1,37 @@
+// To parse this JSON data, do
+//
+//     final nagadBeginResponse = nagadBeginResponseFromJson(jsonString);
+
+import 'dart:convert';
+
+NagadBeginResponse nagadBeginResponseFromJson(String str) => NagadBeginResponse.fromJson(json.decode(str));
+
+String nagadBeginResponseToJson(NagadBeginResponse data) => json.encode(data.toJson());
+
+class NagadBeginResponse {
+  NagadBeginResponse({
+    this.token,
+    this.result,
+    this.url,
+    this.message,
+  });
+
+  String? token;
+  bool? result;
+  String? url;
+  String? message;
+
+  factory NagadBeginResponse.fromJson(Map<String, dynamic> json) => NagadBeginResponse(
+    token: json["token"],
+    result: json["result"],
+    url: json["url"],
+    message: json["message"],
+  );
+
+  Map<String, dynamic> toJson() => {
+    "token": token,
+    "result": result,
+    "url": url,
+    "message": message,
+  };
+}