public static async Task <ResourceSet <MessageResource> > GetMessagesAsync(ITwilioRestClient client, string from = null, string to = null, string accountSid = null, DateTime?dateSent = null, DateTime?dateSentAfter = null, DateTime?dateSentBefore = null, long?limit = null)
{
var fromNumber = from != null ? new PhoneNumber(from) : null;
var toNumber = to != null ? new PhoneNumber(to) : null;
var options = new ReadMessageOptions
{
PathAccountSid = accountSid,
DateSent = dateSent,
DateSentAfter = dateSentAfter,
DateSentBefore = dateSentBefore,
From = fromNumber,
Limit = limit,
To = toNumber,
PageSize = null
};
return(await MessageResource.ReadAsync(options, client));
}
public async Task <HealthCheckStatus> CheckHealthAsync(CancellationToken cancellationToken = default)
{
_logger.LogInformation("Making Twilio service health check");
try
{
_logger.LogDebug("Getting 1 message from twilio");
var resource = await MessageResource.ReadAsync(new ReadMessageOptions
{
Limit = 1
});
_logger.LogDebug("Successfully read {num} messages", resource.Count());
_logger.LogInformation("Health check passed");
return(new HealthCheckStatus(HealthStatus.Healthy));
}
catch (ApiException e)
{
_logger.LogError(e, "Twilio service health check failed: {code} - {info}", e.Code, e.MoreInfo);
return(new HealthCheckStatus(HealthStatus.Unhealthy, e.MoreInfo));
}
}
public async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Anonymous, "post", Route = null)] HttpRequest httpRequest,
ExecutionContext executionContext
)
{
_genericConfig = StartupHelper.GetConfig(executionContext);
string requestBody = await new StreamReader(httpRequest.Body).ReadToEndAsync();
dynamic requestObject = JsonConvert.DeserializeObject(requestBody);
// connect to Twilio
TwilioClient.Init(_genericConfig.TwilioAccountSid, _genericConfig.TwilioAuthToken);
// query twilio api ... and get distinct phone numbers of whatsapp users subscribed to chat
ResourceSet <MessageResource> messageCollection = await MessageResource.ReadAsync(to : _genericConfig.TwilioWhatsAppPhoneNumber);
IEnumerable <PhoneNumber> distinctPhoneNumbers = messageCollection.GroupBy(a => a.From.ToString()).Select(b => b.FirstOrDefault().From);
foreach (var phoneNumber in distinctPhoneNumbers)
{
if (phoneNumber.ToString() == requestObject.User.ToString())
{
// if message originated from whatsapp, don't send a copy straight back to sender
continue;
}
// send message to whatsapp user
var message = MessageResource.Create(
from: new Twilio.Types.PhoneNumber(_genericConfig.TwilioWhatsAppPhoneNumber),
body: $"{requestObject.User} : {requestObject.Message}",
to: phoneNumber
);
}
return((ActionResult) new OkResult());
}