public async Task <string> SendSmsAsync(string phone, string message, string countryCode)
{
try
{
var response = await $"{_settings.BaseUrl}/Accounts/{_settings.ApiKey}/Messages.json"
.WithBasicAuth(_settings.ApiKey, _settings.ApiSecret)
.PostUrlEncodedAsync(new
{
To = phone,
From = _settings.GetFrom(countryCode),
Body = message,
StatusCallback = $"{_baseUrl}/callback/twilio"
}).ReceiveJson <TwilioResponse>();
if (!string.IsNullOrEmpty(response.ErrorCode))
{
var error = new
{
response.Sid,
Phone = response.To.SanitizePhone(),
countryCode,
response.Status,
response.ErrorCode,
response.ErrorMessage
};
if (response.AccountNotActive)
{
_log.WriteError(nameof(SendSmsAsync), error);
}
else
{
_log.WriteWarning(nameof(SendSmsAsync), error, "error sending sms");
}
}
else
{
return(response.Sid);
}
}
catch (FlurlHttpException ex)
{
var error = await ex.GetResponseJsonAsync <TwilioErrorResponse>();
_log.WriteWarning(nameof(SendSmsAsync), error, "twilio: error sending sms");
}
return(null);
}
public async Task <string> SendSmsAsync(string phone, string message, string countryCode)
{
int index = 0;
while (++index <= 5)
{
try
{
var sw = new Stopwatch();
_log.WriteInfo(nameof(SendSmsAsync), new { Phone = phone.SanitizePhone(), CountryCode = countryCode },
$"Sending sms to nexmo endpoint {_settings.BaseUrl}/sms/json");
sw.Start();
var response = await $"{_settings.BaseUrl}/sms/json"
.WithTimeout(10)
.PostUrlEncodedAsync(new
{
to = phone,
from = _settings.GetFrom(countryCode),
text = message,
api_key = _settings.ApiKey,
api_secret = _settings.ApiSecret,
callback = $"{_baseUrl}/callback/nexmo"
}).ReceiveJson <NexmoResponse>();
sw.Stop();
_log.WriteInfo(nameof(SendSmsAsync), new { messagesCount = response.MessagesCount, ElapsedMsec = sw.ElapsedMilliseconds },
$"Sms has been sent to nexmo endpoint {_settings.BaseUrl}/sms/json");
if (response.MessagesCount > 0)
{
var errors = response.Messages
.Where(item => item.Status != NexmoStatus.Ok)
.Select(item => new
{
Phone = phone.SanitizePhone(), item.Status, item.Error, item.RemainingBalance
})
.ToList();
if (errors.Any())
{
var notEnoughFunds =
errors.FirstOrDefault(item => item.Status == NexmoStatus.PartnerQuotaExceeded);
if (notEnoughFunds != null)
{
_log.WriteError(nameof(SendSmsAsync), notEnoughFunds);
}
else
{
_log.WriteWarning(nameof(SendSmsAsync), errors, "error sending sms");
}
}
return(response.Messages.FirstOrDefault(item => item.Status == NexmoStatus.Ok)?.MessageId);
}
}
catch (Exception ex)
{
_log.WriteWarning(nameof(SendSmsAsync), ex.Message, "nexmo: error sending sms", ex);
}
}
return(null);
}