public async Task ApproveDonation(Guid id)
{
var donationAsync = await DonationRepository.GetWhereAsync(p => p.Id == id);
var donation = donationAsync.FirstOrDefault();
if (donation == null)
{
throw new Exception($"Donation id ${id} was not found");
}
if (donation.Total > 0)
{
throw new Exception($"Online donation cannot be canceled by this function");
}
donation.Canceled = false;
donation.Completed = true;
this.DonationRepository.Udate(donation);
await this.DonationRepository.SaveAsync();
}