fetchAvailability static method

Implementation

static Future<AvailabilityModel> fetchAvailability() async {
  String url = "${AppUrls.baseUrlVSMS}/subscriber/v1/availability";
  final response = await _dio!.get(url);
  var data = response.data;
  AvailabilityModel availabilityModel = AvailabilityModel.fromMap(data);
  return availabilityModel;
}