public async Task <IMerchant> CreateAsync(IMerchant merchant)
{
merchant.TrimProperties();
IReadOnlyList <IMerchant> apiKeyMerchants = await _merchantRepository.FindApiKeyAsync(merchant.ApiKey);
if (apiKeyMerchants.Any())
{
throw new DuplicateMerchantApiKeyException(merchant.ApiKey);
}
IMerchant emailMerchant = await _merchantRepository.FindEmailAsync(merchant.Email);
if (emailMerchant != null)
{
throw new DuplicateMerchantEmailException(merchant.Email);
}
IMerchant createdMerchant = await _merchantRepository.InsertAsync(merchant);
_log.Info("Merchant created", merchant);
return(createdMerchant);
}