public async Task <(string, DialogFlowResponse.FulfillmentMessage, PayloadSettings)> Build(string longUrl, string domain, string emailAddress, OriginSources originSource, string sessionId)
{
_logger.LogInformation("ShortenUrlBuilder: Received request to shorten {LongUrl} to a {Domain} domain from {OriginSource}. SessionId: {SessionId}.", longUrl, domain, originSource, sessionId);
#region Set Defaults
var responseFulfillmentMessage = new DialogFlowResponse.FulfillmentMessage
{
Text = new DialogFlowResponse.Text()
{
Texts = new[] { $"Sorry, couldn't shorten {longUrl} to a {domain} domain." }
}
};
var responseFulfillmentText = $"Sorry, couldn't shorten {longUrl} to a {domain} domain.";
var payloadBuilder = Payloads.DefaultPayload.Build(longUrl, domain);
#endregion
try
{
var shortenerMessage = await _urlShorteningService.Shorten(longUrl, domain, emailAddress, originSource, sessionId);
responseFulfillmentText = shortenerMessage;
responseFulfillmentMessage.Text = new DialogFlowResponse.Text()
{
Texts = new[] { responseFulfillmentText }
};
payloadBuilder.Google = Payloads.GooglePayload.Build(responseFulfillmentText.RemoveLineEndings());
payloadBuilder.Facebook = Payloads.FacebookPayload.Build(responseFulfillmentText);
}
catch (Exception ex)
{
_logger.LogError("ShortenUrlBuilder: There was an error while trying to use the UrlShorteningService. Error: {@Error}", ex);
}
return(responseFulfillmentText, responseFulfillmentMessage, payloadBuilder);
}
public async Task <string> Shorten(string longUrl, string domain, string emailAddress, OriginSources originSource, string sessionId)
{
var urlIsValid = longUrl.IsValidUrl();
var emailIsValid = new EmailAddressAttribute().IsValid(emailAddress);
var authKey = string.Empty;
var responseMessage = string.Empty;
authKey = originSource switch
{
OriginSources.DialogFlow => _appSettings.BabouAuthKeys.DialogFlow,
OriginSources.Facebook => _appSettings.BabouAuthKeys.Facebook,
OriginSources.Slack => _appSettings.BabouAuthKeys.Slack,
OriginSources.Telegram => _appSettings.BabouAuthKeys.Telegram,
_ => authKey
};
var authKeyAvailable = !authKey.IsNullOrWhiteSpace();
if (domain == "marvel.co" || domain == "marvelco")
{
domain = Constants.UrlShortenerDomains.MrvlCo;
}
if (domain == "x-men.to" || domain == "x-mento")
{
domain = Constants.UrlShortenerDomains.XMenTo;
}
if (domain.Contains("."))
{
domain = domain.Replace(".", string.Empty);
}
_logger.LogInformation("UrlShorteningService: Beginning to shorten url {LongUrl} using {Domain} using {Service}. SessionId: {SessionId}", longUrl, domain, originSource, sessionId);
if (authKeyAvailable && urlIsValid && emailIsValid)
{
var restClient = new RestClient(_appSettings.UrlShortenerEndpoint);
var restRequest = new RestRequest(Method.POST);
restRequest.AddHeader("AuthKey", authKey);
restRequest.AddHeader("longUrl", longUrl);
restRequest.AddHeader("domain", domain);
restRequest.AddHeader("emailAddress", emailAddress);
var restResponse = await restClient.ExecuteTaskAsync(restRequest);
if (!restResponse.ErrorMessage.IsNullOrWhiteSpace())
{
_logger.LogError("UrlShorteningService: There was an error processing the SessionId: {SessionId}. Error message: {ErrorMessage}", sessionId, restResponse.ErrorMessage);
var stringBuilder = new StringBuilder();
stringBuilder.AppendLine($"There was an error while processing your request. The error message is {restResponse.ErrorMessage}.");
stringBuilder.AppendLine("If you continue to receive this error, please contact us at https://stanleebot.com/Support.");
responseMessage = stringBuilder.ToString();
}
else
{
_logger.LogInformation("UrlShorteningService: Successfully processed SessionId: {SessionId}", sessionId);
var shortUrl = restResponse.Content;
responseMessage = $"Excelsior! I've shortened {longUrl} to {shortUrl} and remember your Babou.io account is under {emailAddress}.";
}
}
else if (!urlIsValid)
{
_logger.LogError("UrlShorteningService: Long URL is invalid for SessionId: {SessionId}", sessionId);
responseMessage = $"The url you provided, {longUrl}, doesn't seem to be a valid URL. Please try again.";
}
else if (!emailIsValid)
{
_logger.LogError("UrlShorteningService: Email is invalid for SessionId: {SessionId}", sessionId);
responseMessage = $"The email address you provided, {emailAddress}, doesn't seem to be a valid email. Please try again.";
}
else
{
_logger.LogError("UrlShorteningService: Couldn't find AuthKey for SessionId: {SessionId}", sessionId);
responseMessage = "Sorry, there was an error processing your request. If you continue to receive this error, please contact us at https://stanleebot.com/Support.";
}
return(responseMessage);
}
}
