public int Send()
{
//get messages that haven't sent yet, where status = 0
var msgs = m_msgBox.GetMessages("0");
//retrieve messages from db, send to sms api and get message ID
foreach (var msg in msgs)
{
var reqWrapper = new OutboundSMSRequestWrapper {
outboundSMSRequest = new OutboundSMSRequest {
address = Common.SplitReceiverCodes(msg.ReceiverCode),
message = msg.Message
}
};
if (reqWrapper.outboundSMSRequest.address == null)
{
continue;
}
var res = new RestfulHelper()
.SendSMSAsync(m_config.UrlSendSMS, AccessToken, reqWrapper)
.GetAwaiter()
.GetResult();
// if no qualified object gets from response, ignore this send request
if (res == null || res.outboundSMSResponse == null)
{
continue;
}
msg.MessageID = res.outboundSMSResponse.messageId;
//if there is no need to check sms delivery status, update status as "sent and delivered" if not check
if (!m_config.VerifyMessageDeliveryStatus)
{
msg.Status = "2"; //sent and delivered
msg.SendTime = DateTime.Now;
}
else
{
msg.Status = "1"; //just mark as sent
msg.SendTime = DateTime.Now;
}
}
int sentCount = 0;
//update message ID and status back to DB
foreach (var msg in msgs)
{
if (!String.IsNullOrEmpty(msg.MessageID))
{
m_msgBox.UpdateMessage(msg);
sentCount++;
}
}
return(sentCount);
}
//return how many messages are received
public int Receive()
{
var wrapper = new RestfulHelper()
.ReceiveSMSAsync(m_config.UrlReceiveSMS, AccessToken)
.GetAwaiter()
.GetResult();
foreach (var sms in wrapper.InboundSmsMessageList.InboundSmsMessage)
{
SMSMessage msg = new SMSMessage();
msg.ID = Guid.NewGuid();
msg.MessageID = sms.MessageId;
msg.SubMessageID = null;
msg.SMSType = "1";
msg.SenderCode = sms.SenderAddress;
msg.ReceiverCode = sms.DestinationAddress;
msg.Status = "4"; //recieved
msg.CreateTime = DateTime.Now;
msg.SendTime = null;
msg.Message = sms.Message;
msg.IsDone = 0;
m_msgBox.PostMessage(msg);
}
int smsCount = 0;
Int32.TryParse(wrapper.InboundSmsMessageList.NumberOfMessagesInThisBatch, out smsCount);
return(smsCount);
}
///<summary>
/// According to ATT Rest API specification, it needs to follow OAuth2.0 agreement to
/// perform access token retrieving dynamically before each API request.
///</summary>
public void RetrieveAccessToken()
{
AccessTokenResponse response = null;
if (String.IsNullOrEmpty(this.accessToken))
{
response = new RestfulHelper()
.GetNewSMSClientToken(m_config.UrlGetAccessToken, m_config.AppKey,
m_config.AppSecret, m_config.AppScope)
.GetAwaiter()
.GetResult();
}
else if (m_config.TokenExpiresDate <= DateTime.Now.AddHours(1))
{
response = new RestfulHelper()
.RefreshSMSClientToken(m_config.UrlGetAccessToken, m_config.AppKey,
m_config.AppSecret, m_config.RefreshToken)
.GetAwaiter()
.GetResult();
}
//assign access token, refresh token and token expire date
if (response != null && !String.IsNullOrEmpty(response.access_token))
{
this.accessToken = response.token_type + " " + response.access_token;
m_config.RefreshToken = response.refresh_token;
m_config.TokenExpiresDate = DateTime.Now.AddSeconds(response.expires_in);
}
}
public int GetSendStatus()
{
//exit if ther is no need to verify delivery status
if (!m_config.VerifyMessageDeliveryStatus)
{
return(0);
}
//get messages already sent but not delivered yet, where status = 1
var msgs = m_msgBox.GetMessages("1");
//retrieve messages from db, send to sms api and get message ID
foreach (var msg in msgs)
{
if (String.IsNullOrEmpty(msg.MessageID))
{
continue;
}
string messageID = msg.MessageID.Trim();
string urlGetStatus = $"{m_config.UrlGetSMSDeliveryStatus}/{messageID}";
var res = new RestfulHelper()
.GetSMSSendStatusAsync(urlGetStatus, AccessToken)
.GetAwaiter()
.GetResult();
bool isAllDelivered = true;
bool isAnyDeliverFailed = false;
// if no qualified delivery object got from response, leave message status not to update
if (res == null || res.DeliveryInfoList == null ||
res.DeliveryInfoList.DeliveryInfo == null ||
res.DeliveryInfoList.DeliveryInfo.Count == 0)
{
continue;
}
foreach (var deliverInfo in res.DeliveryInfoList.DeliveryInfo)
{
// if any of the multiple receivers cannot be delivered to, set whole request deliver failed,
// and it won't be pulled out any more.
if (deliverInfo.DeliveryStatus == m_config.DeliveryFailureCode)
{
isAnyDeliverFailed = true;
isAllDelivered = false;
break;
}
else if (deliverInfo.DeliveryStatus == m_config.DeliverySuccessCode)
{
continue;
}
// if any delivery status cannot be determined, set whole request not delivered yet,
// but the request would be pulled out the next round to check delivery status again.
else
{
isAllDelivered = false;
}
}
if (isAnyDeliverFailed)
{
msg.Status = "3"; //sent but deliver failed
}
else if (isAllDelivered)
{
msg.Status = "2"; //sent and delivered
}
}
int updatedCount = 0;
//update message ID and status back to DB
foreach (var msg in msgs)
{
if (msg.Status == "2" || msg.Status == "3")
{
m_msgBox.UpdateMessage(msg);
updatedCount++;
}
}
return(updatedCount);
}