public ActionResult <LiqPayCheckoutModel> Get(string donationAmount, int?projectId = null)
{
if (projectId == default(int))
{
throw new ArgumentException($"{nameof(projectId)} can not be 0");
}
if (string.IsNullOrEmpty(donationAmount))
{
throw new ArgumentException($"{nameof(donationAmount)} can not be null");
}
return(_donationService.GetLiqPayCheckoutModel(donationAmount, projectId, HttpContext));
}
