public async Task <IActionResult> Post([FromForm] IFormCollection collection)
{
WhatsappResponse response;
try
{
_logger.LogTrace($"Request received in the Whatsapp Controller");
var pars = collection.Keys
.Select(key => new { Key = key, Value = collection[key] })
.ToDictionary(p => p.Key, p => p.Value.ToString());
response = await _whatsappHandlerService.ProcessRequest(pars);
}
catch (Exception e)
{
_logger.LogError(e, $"Error occurred when processing the whatsapp message {e.Message}");
response = new WhatsappResponse
{
Accepted = false,
ResponseMessage = $"Error: {e.ToString()}"
};
}
var twiml = GenerateTwilioResponse(response);
return(new ContentResult
{
Content = twiml.ToString(),
ContentType = "application/xml",
StatusCode = 200
});
}
private MessagingResponse GenerateTwilioResponse(WhatsappResponse response)
{
var twiml = new MessagingResponse();
var twimlMessage = new Message();
twimlMessage.Body(response.ResponseMessage);
if (!string.IsNullOrEmpty(response.ImageUrl))
{
twimlMessage.Media(new Uri(response.ImageUrl));
}
twiml.Append(twimlMessage);
return(twiml);
}
