public static void Run(
[
EventHubTrigger("%IssueTicketEventHubName%",
Connection = "receiverConnectionString")
]
EventData[] eventHubMessages, ILogger log)
{
// process messages
foreach (EventData message in eventHubMessages)
{
string messagePayload = Encoding.UTF8.GetString(message.Body.Array);
// process each message
IssueTicketRequest ticketRequestMessage = JsonConvert.DeserializeObject <IssueTicketRequest>(messagePayload);
try
{
string methodName = ticketRequestMessage.MethodName;
string deviceId = ticketRequestMessage.DeviceId;
string transactionId = ticketRequestMessage.TransactionId;
var payload = new IssueTicketRequest()
{
TransactionId = transactionId,
DeviceId = ticketRequestMessage.DeviceId,
DeviceType = ticketRequestMessage.DeviceType
};
log.LogInformation($"Response Method: {methodName}");
}
catch (Exception ex)
{
log.LogError(ex.Message);
}
}
}
private bool SendTicketIssuedMessageToCloud(PurchaseTicketPayload requestpayload)
{
this.TicketStockCount--;
IssueTicketRequest issueTicketRequest = new IssueTicketRequest()
{
DeviceId = this.deviceId,
DeviceType = this.deviceType,
TransactionId = requestpayload.TransactionId,
CreateTime = System.DateTime.UtcNow
};
var messageString = JsonConvert.SerializeObject(issueTicketRequest);
SendMessageToCloud(messageString);
Console.WriteLine("{0} > Sending message: {1}", DateTime.Now, messageString);
Console.WriteLine();
// if we've fallen below the threshold, send notification
if (this.TicketStockCount < (int)this.deviceConfig.LowStockThreshold && !this.LowStockNotificationSent)
{
SendTLowStockMessageToCloud();
}
return(false); // don't restart timer
}
public static void Run(
[
EventHubTrigger("%noactionneededEventhubName%",
Connection = "receiverConnectionString")
]
EventData[] eventHubMessages, ILogger log)
{
foreach (var message in eventHubMessages)
{
string messagePayload = Encoding.UTF8.GetString(message.Body.Array);
// note, this approaches parses the JSON twice, which isn't very efficient but does help
// demonstrate what we're trying to accomplish
var obj = JObject.Parse(messagePayload); // get a dynamic object based on the msg payload
string msgType = (string)obj["MessageType"];
if (message.Properties.ContainsKey("opType") && (message.Properties["opType"].ToString() == "updateTwin"))
{
log.LogInformation($" Device Twin update event.");
string deviceId = message.Properties["deviceId"].ToString();
// are there desired properties present?
if (obj["properties"]["reported"] != null)
{
if (obj["properties"]["reported"]["GateDirection"] != null)
{
string reportedGateDirection = obj["properties"]["reported"]["GateDirection"].ToString();
log.LogInformation($" Gate Direction on Device {deviceId} reported change to {reportedGateDirection}.");
}
if (obj["properties"]["reported"]["status"] != null)
{
log.LogInformation($" Desired Status of Device {deviceId} reported as {obj["properties"]["reported"]["status"].ToString()}.");
}
}
else if (obj["properties"]["desired"] != null)
{
if (obj["properties"]["desired"]["status"] != null)
{
log.LogInformation($" Desired Status of Device {deviceId} set to {obj["properties"]["desired"]["status"].ToString()}.");
}
}
}
else
{
switch (msgType)
{
case MessageType.eventLowStock:
// parse a low stock message
LowStockRequest lowStockMsg = JsonConvert.DeserializeObject <LowStockRequest>(messagePayload);
log.LogWarning($" !!!!! Low Stock Alert !!!! \n\t DeviceID - {lowStockMsg.DeviceId} " +
$"\n\t Time - {lowStockMsg.CreateTime}" +
$"\n\t Current Stock Level - {lowStockMsg.StockLevel}");
break;
case MessageType.eventTicketIssued:
// parse a ticket issued event
IssueTicketRequest ticketIssued = JsonConvert.DeserializeObject <IssueTicketRequest>(messagePayload);
log.LogInformation($" Ticket Issued by device {ticketIssued.DeviceId} ");
break;
case MessageType.eventGateOpened:
// parse a GateOpened
GateOpenedNotification gateOpenedMsg = JsonConvert.DeserializeObject <GateOpenedNotification>(messagePayload);
log.LogInformation($" Gate Opened on Device {gateOpenedMsg.DeviceId} ");
break;
default:
log.LogError($" Unknown message recieved !!!! \n\t {messagePayload} ");
break;
}
}
}
}
