public string RegisterRecipient(UserPushNotificationDevice userPushNotificationDevice)
{
AmazonSNS.IAmazonSimpleNotificationService client =
Amazon.AWSClientFactory.CreateAmazonSimpleNotificationServiceClient(
new Amazon.Runtime.BasicAWSCredentials(Configuration.AmazonSnsAccessKey, Configuration.AmazonSnsSecretKey),
Amazon.RegionEndpoint.USEast1);
// first, check if device is registered
bool doSnsRegistration = true;
string currentArn = userPushNotificationDevice.ProviderEndpointId;
if (!String.IsNullOrEmpty(currentArn))
{ // if we have an arn, read info from Amazon
var response = client.GetEndpointAttributes(new AmazonSNS.Model.GetEndpointAttributesRequest()
{
EndpointArn = currentArn
});
if (response.Attributes != null && response.Attributes.ContainsKey("Enabled") && response.Attributes.ContainsKey("Token"))
{
string enabledStr = response.Attributes["Enabled"];
bool enabled = false;
bool.TryParse(enabledStr, out enabled);
string token = response.Attributes["Token"];
string savedToken = userPushNotificationDevice.ProviderToken;
bool hasBothSavedAndSnsToken = !String.IsNullOrEmpty(token) && !String.IsNullOrEmpty(savedToken);
if (enabled && hasBothSavedAndSnsToken && token.Equals(savedToken))
{
doSnsRegistration = false;
}
}
}
// then, register it if appropriate
if (doSnsRegistration)
{
AmazonSNS.Model.CreatePlatformEndpointResponse response = null;
if (userPushNotificationDevice.DeviceOS == Core.Enumerations.Messaging.DeviceOS.iOS)
{
response = client.CreatePlatformEndpoint(new AmazonSNS.Model.CreatePlatformEndpointRequest()
{
Token = userPushNotificationDevice.ProviderToken,
PlatformApplicationArn = Configuration.AmazonSnsMobilePlatformAppArnIOS
});
}
else if (userPushNotificationDevice.DeviceOS == Core.Enumerations.Messaging.DeviceOS.Android)
{
response = client.CreatePlatformEndpoint(new AmazonSNS.Model.CreatePlatformEndpointRequest()
{
Token = userPushNotificationDevice.ProviderToken,
PlatformApplicationArn = Configuration.AmazonSnsMobilePlatformAppArnAndroid
});
}
return(response.EndpointArn);
}
return(currentArn);
}
public void SendMessage(List <Recipient> recipients, Message message)
{
if (recipients == null || recipients.Count == 0)
{
return;
}
AmazonSNS.IAmazonSimpleNotificationService client =
Amazon.AWSClientFactory.CreateAmazonSimpleNotificationServiceClient(
new Amazon.Runtime.BasicAWSCredentials(Configuration.AmazonSnsAccessKey, Configuration.AmazonSnsSecretKey), // TODO: Config
Amazon.RegionEndpoint.USEast1);
BlockingCollection <Recipient> badRecipientList = new BlockingCollection <Recipient>();
Parallel.ForEach(recipients, (recipient) => {
try {
StringBuilder sendMsg = new StringBuilder();
sendMsg.AppendLine("Sending message to push recipient.");
sendMsg.AppendLine("UserId: {UserId}");
sendMsg.AppendLine("UserEmail: {UserEmail}");
sendMsg.AppendLine("CustomerNumber: {CustomerNumber}");
sendMsg.AppendLine("DeviceId: {DeviceId}");
sendMsg.AppendLine("DeviceOS: {DeviceOS}");
sendMsg.AppendLine("Channel: {Channel}");
sendMsg.AppendLine("ProviderEndPoint: {ProviderEndpoint}");
_eventLog.WriteInformationLog(sendMsg.ToString().Inject(recipient));
if (recipient.DeviceOS == DeviceOS.iOS)
{
// format our message for apple
client.Publish(new AmazonSNS.Model.PublishRequest()
{
TargetArn = recipient.ProviderEndpoint, Message = message.MessageSubject
}
);
}
else if (recipient.DeviceOS == DeviceOS.Android)
{
client.Publish(new AmazonSNS.Model.PublishRequest()
{
TargetArn = recipient.ProviderEndpoint,
MessageStructure = "json",
Message = string.Format("{{\n\"GCM\": \"{{ \\\"data\\\": {{ \\\"message\\\": \\\"{0}\\\" }} }}\"\n}}", message.MessageSubject)
});
}
} catch (Exception ex) {
StringBuilder msg = new StringBuilder();
msg.AppendLine("Error sending message to push recipient.");
msg.AppendLine("UserId: {UserId}");
msg.AppendLine("UserEmail: {UserEmail}");
msg.AppendLine("CustomerNumber: {CustomerNumber}");
msg.AppendLine("DeviceId: {DeviceId}");
msg.AppendLine("DeviceOS: {DeviceOS}");
msg.AppendLine("Channel: {Channel}");
msg.AppendLine("ProviderEndPoint: {ProviderEndpoint}");
_eventLog.WriteErrorLog(msg.ToString().Inject(recipient), ex);
//if any of the strings we watch for is contained in the exception message, disable the device
if (Configuration.AmazonSnsMessagesToDisableOn.Any(ex.Message.ToLower().Contains))
{
badRecipientList.Add(recipient);
}
}
});
if (badRecipientList.Count > 0)
{
DisableDevices(badRecipientList.ToList());
}
}
