private bool ClearCache(string cacheKey, ref MoUssdReceiver receiver)
{
bool clearCache;
this._configurationHelper.ClearCache(cacheKey);
clearCache = true;
receiver.Message = "0";
return(clearCache);
}
/*
* Get the session id and Response message as parameter
* Create sender object and send ussd with appropriate parameters
**/
private string loadObjectSender(string sessionId, string responseMessage, MoUssdReceiver receiver, string chargingAmount = "0")
{
string password = _configurationHelper.Password; // Configuration.GetSection("BDApps:password").Value;
string destinationAddress = receiver.SourceAddress;
string ussdOperation = string.Empty;
if (!string.IsNullOrEmpty(sessionId))
{
ussdOperation = receiver.UssdOperation;
if (receiver.Message == "0")
{
ussdOperation = "mt-fin";
}
else
{
ussdOperation = "mt-cont";
}
}
string applicationId = receiver.ApplicationId;
string encoding = receiver.Encoding;
string version = receiver.Version;
try
{
// Create the sender object server url
string ussdServer = _configurationHelper.MtUssdSenderServer; // Configuration.GetSection("BDApps:MtUssdSenderServer").Value;
string smsServer = _configurationHelper.MtSmsSenderServer; // Configuration.GetSection("BDApps:MtSmsSenderServer").Value;
string response = string.Empty;
MtUssdSender sender = new MtUssdSender(ussdServer, smsServer); // Application ussd-mt sending http url
if (string.IsNullOrEmpty(sessionId))
{
chargingAmount = this._configurationHelper.SmsChargeAmount;
response = sender.sms(applicationId, password, version, responseMessage,
destinationAddress, encoding, chargingAmount);
}
else
{
response = sender.ussd(applicationId, password, version, responseMessage,
sessionId, ussdOperation, destinationAddress, encoding, chargingAmount);
}
return(response);
}
catch (Exception ex)
{
//throws when failed sending or receiving the ussd
//error_log("USSD ERROR: {ex->getStatusCode()} | {ex->getStatusMessage()}");
//return null;
throw ex;
}
}
public string SendIndivualSMSNotificationByMSISDN(string subscriber)
{
string pbNumbers = this.GetAllDrawNumbersBySubscriberId(subscriber);
string response = this._configurationHelper.SmsKeyword + " " + pbNumbers;
MoUssdReceiver smsReceiver = new MoUssdReceiver();
smsReceiver.ApplicationId = this._configurationHelper.ApplicationId;
smsReceiver.Password = this._configurationHelper.Password;
smsReceiver.SourceAddress = "tel:" + subscriber;
smsReceiver.Message = response;
smsReceiver.Version = "1.0";
smsReceiver.Encoding = "0";
return(this.SendMessage(smsReceiver));
}
private string GetSubscriptionMenu(MoUssdReceiver receiver, string prevMsg, string message)
{
if (prevMsg == _configurationHelper.MenuLevel1 && receiver.getMessage() != "0")
{
if (receiver.getMessage().ToUpper().StartsWith(_configurationHelper.SmsKeyword))
{
message = _configurationHelper.MenuLevel2;
}
else
{
throw new Exception("Invalid Format.");
}
}
return(message);
}
private string GetSubscriptionConfirmationMenu(MoUssdReceiver receiver, string message)
{
if (receiver.getMessage() == "1") //// Subscribe
{
message = _configurationHelper.MenuLevel3;
}
else if (receiver.getMessage() == "2") //// unsubscribe
{
message = _configurationHelper.MenuLevel4;
}
else if (receiver.getMessage() == "3") //// add more
{
message = _configurationHelper.MenuLevel1;
}
return(message);
}
private void RunCheckerProcess(MoUssdReceiver receiver, string cacheKey, ref bool clearCache, ref string response, ref string message, string sessionId)
{
var numbers = receiver.getMessage();
if (string.IsNullOrEmpty(sessionId))// for SMS check
{
string smsKeyword = _configurationHelper.SmsKeyword;
string subscriptionKeyword = _configurationHelper.SubscriptionKeyword;
string unSubscriptionKeyword = _configurationHelper.UnSubscriptionKeyword;
if (numbers.ToUpper().Trim().Contains(subscriptionKeyword))
{
string chargeAmount = _configurationHelper.SubscriptionChargeAmount;
UpdateSubscription(receiver.SourceAddress, true);
message = _configurationHelper.SubscriptionConfirmMsg + _configurationHelper.UnSubscriptionMsg;
response = loadObjectSender(sessionId, message, receiver, chargeAmount);
clearCache = ClearCache(cacheKey, ref receiver);
}
else if (numbers.ToUpper().Trim().Contains(unSubscriptionKeyword))
{
UpdateSubscription(receiver.SourceAddress, false);
message = _configurationHelper.UnSubscriptionConfirmMsg;
}
else if (numbers.ToUpper().Trim().Contains(smsKeyword))
{
message = _configurationHelper.SMSLevel1;
message = CheckPBNumbers(numbers) + "\r\n" + message;
}
else
{
message = receiver.getMessage();
}
}
else
{
message = CheckPBNumbers(numbers) + "\r\n" + message;
}
}
public MoUssdReceiver(MoUssdReceiver moUssdReceiver)
{
this.SourceAddress = moUssdReceiver.SourceAddress;
this.Message = moUssdReceiver.Message;
this.RequestId = moUssdReceiver.RequestId;
this.ApplicationId = moUssdReceiver.ApplicationId;
this.Encoding = moUssdReceiver.Encoding;
this.Version = moUssdReceiver.Version;
this.SessionId = moUssdReceiver.SessionId;
this.UssdOperation = moUssdReceiver.UssdOperation;
this.VlrAddress = moUssdReceiver.VlrAddress;
if (!((string.IsNullOrEmpty(this.SourceAddress) && string.IsNullOrEmpty(this.Message))))
{
throw new Exception("Some of the required parameters are not provided");
}
else
{
// Success received response
//var responses = array("statusCode" => "S1000", "statusDetail" => "Success");
// header("Content-type: application/json");
// echo json_encode($responses);
}
}
public string SendMessage(MoUssdReceiver receiver)
{
//// TODO:: Check http session in netcore
string cacheKey = "PrevMsg_" + receiver.SessionId;
bool clearCache = false;
string prevMsg = _configurationHelper.CacheTryGetValueSet(cacheKey, receiver.Message);
string response = string.Empty;
string message = string.Empty;
string sessionId = receiver.SessionId;
string dialNo = _configurationHelper.USSDDialNo;
if (receiver.getMessage() == dialNo)
{
message = _configurationHelper.MenuLevel1;
}
else if (prevMsg.Contains(_configurationHelper.MenuLevel2) && receiver.getMessage() != "0")
{
message = GetSubscriptionConfirmationMenu(receiver, message);
}
else if (prevMsg.Contains(_configurationHelper.MenuLevel3) && receiver.getMessage() == "1")//// Subscriptions
{
message = "Thanks for subscription. We will notify you every 3 months after draw.\r\n";
UpdateSubscription(receiver.getAddress(), true);
clearCache = ClearCache(cacheKey, ref receiver);
}
else if (prevMsg.Contains(_configurationHelper.MenuLevel4) && receiver.getMessage() == "1")//// Subscriptions
{
message = "You have unsubcribed successfully";
UpdateSubscription(receiver.getAddress(), false);
clearCache = ClearCache(cacheKey, ref receiver);
}
else if (receiver.getMessage() == "0")
{
string responseExitMsg = "Thanks for using our service.";
message = responseExitMsg;
clearCache = ClearCache(cacheKey, ref receiver);
}
else
{
try
{
message = GetSubscriptionMenu(receiver, prevMsg, message);
RunCheckerProcess(receiver, cacheKey, ref clearCache, ref response, ref message, sessionId);
}
catch (Exception ex)
{
message = @"Unable to validate.Please try again. Error:" + ex.Message;
ClearCache(cacheKey, ref receiver);
}
}
if (!clearCache)
{
_configurationHelper.AddCache(cacheKey, message);
}
response = loadObjectSender(sessionId, message, receiver);
return(response);
}