public static async Task <ActivityResponse> QueryOutputToEventGridActivity(
[ActivityTrigger] DurableActivityContext context,
Binder outputBinder,
ILogger log)
{
ActivityResponse ret = new ActivityResponse()
{
FunctionName = "QueryOutputToEventGridActivity"
};
#region Logging
if (null != log)
{
log.LogDebug($"Output in {ret.FunctionName} ");
}
#endregion
// Read the results
QueryOutputRecord <object> results = context.GetInput <QueryOutputRecord <object> >();
if (null != results)
{
EventGridAttribute egAttribute = EventGridAttributeFromTarget(results.Target, results.QueryName, results.QueryUniqueIdentifier);
if (null != egAttribute)
{
// split the target string into an event grid attribute
Microsoft.Azure.EventGrid.Models.EventGridEvent eventGridEvent = new Microsoft.Azure.EventGrid.Models.EventGridEvent()
{
Subject = results.QueryUniqueIdentifier.ToString(),
Data = results.Results
};
IAsyncCollector <EventGridEvent> eventCollector = outputBinder.Bind <IAsyncCollector <EventGridEvent> >(egAttribute);
if (null != eventCollector)
{
await eventCollector.AddAsync(eventGridEvent);
await eventCollector.FlushAsync();
}
}
else
{
ret.Message = $"Unable to determine the event grid target from {results.Target}";
}
}
else
{
ret.Message = $"Unable to get query output record to send to event grid";
}
return(ret);
}
public static async Task <ActivityResponse> QueryOutputToSignalRActivity(
[ActivityTrigger] DurableActivityContext context,
Binder outputBinder,
ILogger log)
{
ActivityResponse ret = new ActivityResponse()
{
FunctionName = "QueryOutputToSignalRActivity"
};
#region Logging
if (null != log)
{
log.LogDebug($"Output in {ret.FunctionName} ");
}
#endregion
// Read the results
QueryOutputRecord <object> results = context.GetInput <QueryOutputRecord <object> >();
if (null != results)
{
SignalRAttribute signalRAttribute = SignalRAttributeFromTarget(results.Target);
IAsyncCollector <SignalRMessage> eventCollector = outputBinder.Bind <IAsyncCollector <SignalRMessage> >(signalRAttribute);
// Create and add a SignalRMessage
if (null != eventCollector)
{
// Make a SignalR message for the query results - note that we pass the entire results structure so
// the recipeint gets the context as well as the results data
SignalRMessage queryMessage = new SignalRMessage()
{
Target = results.QueryName,
Arguments = new object[] { results }
};
await eventCollector.AddAsync(queryMessage);
// and flush the message out
await eventCollector.FlushAsync();
}
}
else
{
ret.Message = $"Unable to get query output record to send to event grid";
}
return(ret);
}
public static async Task <ActivityResponse> QueryOutputToWebhookActivity(
[ActivityTrigger] DurableActivityContext context,
ILogger log)
{
ActivityResponse ret = new ActivityResponse()
{
FunctionName = "QueryOutputToWebhookActivity"
};
#region Logging
if (null != log)
{
log.LogDebug($"Output in {ret.FunctionName} ");
}
#endregion
// Read the results
QueryOutputRecord <object> results = context.GetInput <QueryOutputRecord <object> >();
if (null != results)
{
var payloadAsJSON = new StringContent(JsonConvert.SerializeObject(results.Results));
// TODO : Use the binder to bind to an HTTP client to send the results to
using (var client = new HttpClient())
{
HttpResponseMessage msgResp = await client.PostAsync(results.Target, payloadAsJSON);
if (null != msgResp)
{
ret.Message = $"Output sent - {msgResp.ReasonPhrase}";
}
}
}
else
{
ret.Message = $"Unable to get query output record to send to web hook";
}
return(ret);
}
public static async Task <ActivityResponse> QueryOutputToServiceBusActivity(
[ActivityTrigger] DurableActivityContext context,
Binder outputBinder,
ILogger log)
{
ActivityResponse ret = new ActivityResponse()
{
FunctionName = "QueryOutputToServiceBusActivity"
};
#region Logging
if (null != log)
{
log.LogDebug($"Output in {ret.FunctionName} ");
}
#endregion
// Read the results
QueryOutputRecord <object> results = context.GetInput <QueryOutputRecord <object> >();
if (null != results)
{
var queueAttribute = new ServiceBusAttribute(results.Target);
var payloadAsJSON = JsonConvert.SerializeObject(results.Results);
using (var writer = outputBinder.Bind <TextWriter>(queueAttribute))
{
await writer.WriteAsync(payloadAsJSON);
}
}
else
{
ret.Message = $"Unable to get query output record to send to Service Bus";
}
return(ret);
}
public static async Task <ActivityResponse> QueryOutputProcessorOrchestrator(
[OrchestrationTrigger] DurableOrchestrationContext context,
Microsoft.Extensions.Logging.ILogger log)
{
ActivityResponse response = new ActivityResponse()
{
FunctionName = "QueryOutputProcessorOrchestrator"
};
// Get the Query_Outputs_Request from the context...
Query_Outputs_Request request = context.GetInput <Query_Outputs_Request>();
if (null != request)
{
// Read the outputs for the given query
Guid queryGuid;
if (Guid.TryParse(request.UniqueIdentifier, out queryGuid))
{
// Get the current state of the query...
Projection getQueryState = new Projection(Constants.Domain_Query,
request.QueryName,
queryGuid.ToString(),
nameof(Query_Summary_Projection));
if (null != getQueryState)
{
// Get all the output targets
Query_Outputs_Projection qryOutputs = new Query_Outputs_Projection(log);
await getQueryState.Process(qryOutputs);
if ((qryOutputs.CurrentSequenceNumber > 0) || (qryOutputs.ProjectionValuesChanged()))
{
#region Logging
if (null != log)
{
log.LogDebug($"Sending results to output targets from {request.QueryName} : {request.UniqueIdentifier} ");
}
#endregion
List <Task <ActivityResponse> > allOutputTasks = new List <Task <ActivityResponse> >();
if (null != request.Results)
{
// Create a QueryOutputRecord<object>
QueryOutputRecord <object> outputRequest = QueryOutputRecord <object> .Create(request.Results,
@"",
request.QueryName,
queryGuid);
foreach (string location in qryOutputs.WebhookTargets)
{
#region Logging
if (null != log)
{
log.LogDebug($"Target : { location} - being sent by webhook in OutputResultsGetLeagueSummaryQuery");
}
#endregion
outputRequest.Target = location;
// add a task to ouputit it via webhook....
allOutputTasks.Add(context.CallActivityWithRetryAsync <ActivityResponse>("QueryOutputToWebhookActivity",
DomainSettings.QueryRetryOptions(),
outputRequest));
}
foreach (string location in qryOutputs.BlobTargets)
{
#region Logging
if (null != log)
{
log.LogDebug($"Target : { location} - being persisted to a Blob in {response.FunctionName}");
}
#endregion
outputRequest.Target = location;
// add a task to ouputit it via webhook....
allOutputTasks.Add(context.CallActivityWithRetryAsync <ActivityResponse>("QueryOutputToBlobActivity",
DomainSettings.QueryRetryOptions(),
outputRequest));
}
foreach (string location in qryOutputs.ServiceBusTargets)
{
#region Logging
if (null != log)
{
log.LogDebug($"Target : { location} - being sent out via service bus in {response.FunctionName}");
}
#endregion
outputRequest.Target = location;
// add a task to ouputit it via service bus....
allOutputTasks.Add(context.CallActivityWithRetryAsync <ActivityResponse>("QueryOutputToServiceBusActivity",
DomainSettings.QueryRetryOptions(),
outputRequest));
}
//EventGridTargets
foreach (string location in qryOutputs.EventGridTargets)
{
#region Logging
if (null != log)
{
log.LogDebug($"Target : { location} - being sent out via event grid in {response.FunctionName}");
}
#endregion
outputRequest.Target = location;
// add a task to ouputit it via event grid....
allOutputTasks.Add(context.CallActivityWithRetryAsync <ActivityResponse>("QueryOutputToEventGridActivity",
DomainSettings.QueryRetryOptions(),
outputRequest));
}
foreach (string location in qryOutputs.SignalRTargets)
{
#region Logging
if (null != log)
{
log.LogDebug($"Target : { location} - being sent out via SignalR in {response.FunctionName}");
}
#endregion
outputRequest.Target = location;
// add a task to ouputit it via SignalR....
allOutputTasks.Add(context.CallActivityWithRetryAsync <ActivityResponse>("QueryOutputToSignalRActivity",
DomainSettings.QueryRetryOptions(),
outputRequest));
}
// TODO: All the other output methods
}
// Await for all the outputs to have run in parallel...
await Task.WhenAll(allOutputTasks);
foreach (var returnedResponse in allOutputTasks)
{
if (returnedResponse.Result.FatalError)
{
response.FatalError = true;
response.Message = returnedResponse.Result.Message;
}
#region Logging
if (null != log)
{
log.LogDebug($"Sent results to output targets from {returnedResponse.Result.FunctionName} : {returnedResponse.Result.Message } ");
}
#endregion
context.SetCustomStatus(returnedResponse.Result);
}
}
}
}
}
else
{
response.Message = $"Unable to get outputs request details in sub orchestration {context.InstanceId} ";
response.FatalError = true;
}
return(response);
}
