protected override System.Threading.Tasks.Task <HttpResponseMessage> SendAsync(HttpRequestMessage request, System.Threading.CancellationToken cancellationToken)
{
WorkflowRuleNotification receivedNotification = null;
IAuthenticatedWho authenticatedWho = null;
INotifier emailNotifier = null;
Guid tenantGuid = Guid.Empty;
String tenantId = null;
String mode = null;
String email = null;
try
{
// Get the mode from the request uri
mode = BaseHttpUtils.GetModeFromQuery(request.RequestUri);
// Get any provided notification email
email = BaseHttpUtils.GetEmailFromQuery(request.RequestUri);
// Check to make sure the incoming request has enough segments
// Deployed we have an extra segment for the deployment sub-directory, hence this is one more than you would have thought
if (request.RequestUri.Segments.Length < 9)
{
throw new ArgumentNullException("Request.Segments", "The incoming request is not a valid Url for outbound messages.");
}
// Get the segments from the call so we know which tenant we're executing against
tenantId = request.RequestUri.Segments[8].Replace("/", "");
// Check to make sure we've received valid guids
if (Guid.TryParse(tenantId, out tenantGuid) == false)
{
throw new ArgumentNullException("Request.Segments", "The incoming request does not contain a valid tenant identifier. You provided: " + tenantId);
}
// Create a basic authenticated who for the notifier
authenticatedWho = AuthenticationUtils.CreatePublicUser(tenantId);
authenticatedWho.Email = email;
// Create the notifier
emailNotifier = EmailNotifier.GetInstance(tenantId, authenticatedWho, null, "WorkflowRuleListenerMessageHandler");
// ExtractData would populate notification class' variables, which can be used to get desired data.
receivedNotification = new WorkflowRuleNotification();
receivedNotification.ExtractData(emailNotifier, request.Content.ReadAsStringAsync().Result, mode);
// Now send ManyWho the notification that something has changed on a set of records, but only if ManyWho actually cares about them
this.Execute(emailNotifier, tenantId, mode, receivedNotification);
// Send the debug log if the user is running in debug mode
if (SettingUtils.IsDebugging(mode))
{
ErrorUtils.SendAlert(emailNotifier, null, ErrorUtils.ALERT_TYPE_WARNING, "Debug Log Entries");
}
// Send a response back to SFDC
// Note: since we are not calling base class' SendAsync function, the request will return from here, and will not reach our POST function.
return(Task.FromResult(receivedNotification.PrepareResponse(request)));
}
catch (Exception exception)
{
// Send the debug log if the user is running in debug mode
if (SettingUtils.IsDebugging(mode))
{
ErrorUtils.SendAlert(emailNotifier, null, ErrorUtils.ALERT_TYPE_WARNING, BaseHttpUtils.GetExceptionMessage(exception));
}
throw BaseHttpUtils.GetWebException(HttpStatusCode.BadRequest, BaseHttpUtils.GetExceptionMessage(exception));
}
}
protected override System.Threading.Tasks.Task <HttpResponseMessage> SendAsync(HttpRequestMessage request, System.Threading.CancellationToken cancellationToken)
{
WorkflowRuleNotification receivedNotification = null;
IAuthenticatedWho authenticatedWho = null;
INotifier emailNotifier = null;
Guid tenantGuid = Guid.Empty;
Guid flowGuid = Guid.Empty;
String tenantId = null;
String flowId = null;
String player = null;
String mode = null;
String email = null;
String reportingMode = null;
try
{
// Get the mode from the request uri
mode = BaseHttpUtils.GetModeFromQuery(request.RequestUri);
// Get the reporting mode from the request uri
reportingMode = BaseHttpUtils.GetReportingModeFromQuery(request.RequestUri);
// Get any provided notification email
email = BaseHttpUtils.GetEmailFromQuery(request.RequestUri);
// Check to make sure the incoming request has enough segments
if (request.RequestUri.Segments.Length < 9)
{
throw new ArgumentNullException("Request.Segments", "The incoming request is not a valid Url for outbound messages.");
}
// Get the segments from the call so we know which tenant we're executing against
tenantId = request.RequestUri.Segments[7].Replace("/", "");
flowId = request.RequestUri.Segments[8].Replace("/", "");
player = request.RequestUri.Segments[9];
// Check to make sure we've received valid guids
if (Guid.TryParse(tenantId, out tenantGuid) == false)
{
throw new ArgumentNullException("Request.Segments", "The incoming request does not contain a valid tenant identifier.");
}
if (Guid.TryParse(flowId, out flowGuid) == false)
{
throw new ArgumentNullException("Request.Segments", "The incoming request does not contain a valid flow identifier.");
}
// If a player has not been provided, we make it the default player
if (String.IsNullOrWhiteSpace(player) == true)
{
player = "default";
}
// Create a basic authenticated who for the notifier
authenticatedWho = AuthenticationUtils.CreatePublicUser(tenantId);
authenticatedWho.Email = email;
// Create the notifier
emailNotifier = EmailNotifier.GetInstance(tenantId, authenticatedWho, null, "WorkflowRuleMessageHandler");
//ExtractData would populate notification class' variables, which can be used to get desired data.
receivedNotification = new WorkflowRuleNotification();
receivedNotification.ExtractData(emailNotifier, request.Content.ReadAsStringAsync().Result, mode);
if (SettingUtils.IsDebugging(mode))
{
emailNotifier.AddLogEntry("Mode: " + mode);
}
if (SettingUtils.IsDebugging(mode))
{
emailNotifier.AddLogEntry("Email: " + email);
}
if (SettingUtils.IsDebugging(mode))
{
emailNotifier.AddLogEntry("Reporting Mode: " + reportingMode);
}
// Execute the notifications against ManyWho
this.Execute(emailNotifier, tenantId, flowId, player, mode, reportingMode, receivedNotification);
// Send the debug log if the user is running in debug mode
if (SettingUtils.IsDebugging(mode))
{
ErrorUtils.SendAlert(emailNotifier, null, ErrorUtils.ALERT_TYPE_WARNING, "Debug Log Entries");
}
//Send a response back to SFDC
//Note: since we are not calling base class' SendAsync function, the request will return from here, and will not reach our POST function.
return(Task.FromResult(receivedNotification.PrepareResponse(request)));
}
catch (Exception exception)
{
// Send the debug log if the user is running in debug mode
if (SettingUtils.IsDebugging(mode))
{
ErrorUtils.SendAlert(emailNotifier, null, ErrorUtils.ALERT_TYPE_WARNING, BaseHttpUtils.GetExceptionMessage(exception));
}
throw BaseHttpUtils.GetWebException(HttpStatusCode.BadRequest, BaseHttpUtils.GetExceptionMessage(exception));
}
}
private void Execute(INotifier notifier, String tenantId, String mode, WorkflowRuleNotification workflowRuleNotification)
{
Dictionary <String, ListenerServiceRequestAPI> salesforceListenerEntries = null;
ListenerServiceResponseAPI listenerServiceResponse = null;
ListenerServiceRequestAPI listenerServiceRequest = null;
SforceService sforceService = null;
String authenticationStrategy = null;
String authenticationUrl = null;
String securityToken = null;
String invokeType = null;
String username = null;
String password = null;
if (SettingUtils.IsDebugging(mode))
{
notifier.AddLogEntry("Executing listener notification.");
}
// Go through each object identifier in the notification
if (workflowRuleNotification.ObjectIDs != null &&
workflowRuleNotification.ObjectIDs.Count > 0)
{
if (SettingUtils.IsDebugging(mode))
{
notifier.AddLogEntry("Workflow event has object identifiers.");
}
foreach (String objectId in workflowRuleNotification.ObjectIDs)
{
if (SettingUtils.IsDebugging(mode))
{
notifier.AddLogEntry("Processing object identifier: " + objectId);
}
// Check to see if ManyWho has asked us to listen to any of them
salesforceListenerEntries = SalesforceListenerSingleton.GetInstance().GetListenerRequests(tenantId, objectId);
// Check to see if we're actually listening
if (salesforceListenerEntries != null &&
salesforceListenerEntries.Count > 0)
{
if (SettingUtils.IsDebugging(mode))
{
notifier.AddLogEntry("Object has listener entries.");
}
// If it has, send a listen notification back to the workflow engine - one by one at the moment (no bulk!)
foreach (KeyValuePair <String, ListenerServiceRequestAPI> pair in salesforceListenerEntries)
{
// Get the listener request out
listenerServiceRequest = pair.Value;
if (SettingUtils.IsDebugging(mode))
{
notifier.AddLogEntry("Executing listener entry.");
}
// Create the service response
listenerServiceResponse = new ListenerServiceResponseAPI();
listenerServiceResponse.annotations = listenerServiceRequest.annotations;
listenerServiceResponse.culture = listenerServiceRequest.culture;
listenerServiceResponse.tenantId = listenerServiceRequest.tenantId;
listenerServiceResponse.token = listenerServiceRequest.token;
// Apply the settings for the response from the request so the engine has the full details about the object
listenerServiceResponse.listeningEventValue = listenerServiceRequest.valueForListening;
listenerServiceResponse.listeningEventValue.contentType = listenerServiceRequest.valueForListening.contentType;
listenerServiceResponse.listeningEventValue.contentValue = listenerServiceRequest.valueForListening.contentValue;
listenerServiceResponse.listeningEventValue.developerName = listenerServiceRequest.valueForListening.developerName;
listenerServiceResponse.listeningEventValue.typeElementDeveloperName = listenerServiceRequest.valueForListening.typeElementDeveloperName;
listenerServiceResponse.listeningEventValue.typeElementId = listenerServiceRequest.valueForListening.typeElementId;
listenerServiceResponse.listeningEventValue.typeElementPropertyDeveloperName = listenerServiceRequest.valueForListening.typeElementPropertyDeveloperName;
listenerServiceResponse.listeningEventValue.typeElementPropertyId = listenerServiceRequest.valueForListening.typeElementPropertyId;
listenerServiceResponse.listeningEventValue.valueElementId = listenerServiceRequest.valueForListening.valueElementId;
// Get the configuration values out that are needed to check the voting status
// TODO: we should smart cache the login info and connection
authenticationUrl = ValueUtils.GetContentValue(SalesforceServiceSingleton.SERVICE_VALUE_AUTHENTICATION_URL, listenerServiceRequest.configurationValues, true);
username = ValueUtils.GetContentValue(SalesforceServiceSingleton.SERVICE_VALUE_USERNAME, listenerServiceRequest.configurationValues, true);
password = ValueUtils.GetContentValue(SalesforceServiceSingleton.SERVICE_VALUE_PASSWORD, listenerServiceRequest.configurationValues, true);
securityToken = ValueUtils.GetContentValue(SalesforceServiceSingleton.SERVICE_VALUE_SECURITY_TOKEN, listenerServiceRequest.configurationValues, false);
authenticationStrategy = ValueUtils.GetContentValue(SalesforceServiceSingleton.SERVICE_VALUE_AUTHENTICATION_STRATEGY, listenerServiceRequest.configurationValues, false);
if (SettingUtils.IsDebugging(mode))
{
notifier.AddLogEntry("Logging into salesforce using: " + username);
}
if (String.IsNullOrWhiteSpace(authenticationStrategy) == true ||
authenticationStrategy.Equals(SalesforceServiceSingleton.AUTHENTICATION_STRATEGY_STANDARD, StringComparison.OrdinalIgnoreCase) == true ||
authenticationStrategy.Equals(SalesforceServiceSingleton.AUTHENTICATION_STRATEGY_ACTIVE_USER, StringComparison.OrdinalIgnoreCase) == true)
{
sforceService = SalesforceDataSingleton.GetInstance().LogUserInBasedOnSession(listenerServiceRequest.configurationValues, workflowRuleNotification.SessionID, workflowRuleNotification.SessionURL);
}
else if (authenticationStrategy.Equals(SalesforceServiceSingleton.AUTHENTICATION_STRATEGY_SUPER_USER, StringComparison.OrdinalIgnoreCase) == true)
{
// Login to salesforce using the details in the service request
sforceService = SalesforceDataSingleton.GetInstance().LoginUsingCredentials(authenticationUrl, username, password, securityToken);
}
else
{
throw new ArgumentNullException("ConfigurationValues", String.Format("The provided authentication strategy is not supported: '{0}'", authenticationStrategy));
}
if (SettingUtils.IsDebugging(mode))
{
notifier.AddLogEntry("Getting full sObject for: " + objectId);
}
// Load the latest object from salesforce so we have the data to send back
listenerServiceResponse.listeningEventValue.objectData = SalesforceDataSingleton.GetInstance().LoadSObjectByIdentifier(sforceService, workflowRuleNotification.ObjectName, objectId, true);
try
{
if (SettingUtils.IsDebugging(mode))
{
notifier.AddLogEntry("Executing event against ManyWho");
}
// Dispatch a listen response to the engine as an event has occurred
invokeType = RunSingleton.GetInstance().Event(notifier, null, tenantId, listenerServiceRequest.callbackUri, listenerServiceResponse);
}
catch (Exception exception)
{
if (SettingUtils.IsDebugging(mode))
{
notifier.AddLogEntry("Event execution failed with: " + BaseHttpUtils.GetExceptionMessage(exception));
}
// Something went wrong - but we ignore it for now
invokeType = ManyWhoConstants.INVOKE_TYPE_FORWARD;
}
if (SettingUtils.IsDebugging(mode))
{
notifier.AddLogEntry("Service returned invoke type of: " + invokeType);
}
// If the engine returns nothing, errors or returns an response other than a "WAIT", we delete the listener for now
// TODO: make this a bit more intelligent so we can handle things like retry
if (String.IsNullOrWhiteSpace(invokeType) == false &&
invokeType.IndexOf(ManyWhoConstants.INVOKE_TYPE_WAIT, StringComparison.InvariantCultureIgnoreCase) < 0)
{
if (SettingUtils.IsDebugging(mode))
{
notifier.AddLogEntry("Removing entry from listeners for invoke type: " + invokeType);
}
SalesforceListenerSingleton.GetInstance().UnregisterListener(tenantId, objectId, listenerServiceRequest);
}
}
}
}
}
}
public void Execute(INotifier notifier, String tenantId, String flowId, String player, String mode, String reportingMode, WorkflowRuleNotification workflowRuleNotification)
{
FlowResponseAPI flowResponse = null;
EngineInvokeRequestAPI engineInvokeRequest = null;
EngineInvokeResponseAPI engineInvokeResponse = null;
EngineInitializationRequestAPI engineInitializationRequest = null;
EngineInitializationResponseAPI engineInitializationResponse = null;
AuthenticationCredentialsAPI authenticationCredentials = null;
String authenticationToken = null;
if (SettingUtils.IsDebugging(mode))
{
notifier.AddLogEntry("Executing notification.");
}
// Check to see if we have object identifiers to process
if (workflowRuleNotification.ObjectIDs != null &&
workflowRuleNotification.ObjectIDs.Count > 0)
{
if (SettingUtils.IsDebugging(mode))
{
notifier.AddLogEntry("Notification has object identifiers.");
}
if (SettingUtils.IsDebugging(mode))
{
notifier.AddLogEntry(String.Format("Loading flow for tenant ({0}) and identifier ({1}).", tenantId, flowId));
}
// Now we have the data from the message, we can execute the workflow
// Load the flow by the unique identifier
flowResponse = RunSingleton.GetInstance().LoadFlowById(notifier, authenticationToken, tenantId, flowId);
// Check to make sure we have a flow response
if (flowResponse == null)
{
throw new ArgumentNullException("FlowResponse", "The flow is null for the provided tenant and flow identifier.");
}
foreach (String objectID in workflowRuleNotification.ObjectIDs)
{
if (SettingUtils.IsDebugging(mode))
{
notifier.AddLogEntry("Sending initialization request to ManyWho.");
}
// Create an engine initialization request to kick off the flow
engineInitializationRequest = new EngineInitializationRequestAPI();
engineInitializationRequest.flowId = new FlowIdAPI();
engineInitializationRequest.flowId.id = flowResponse.id.id;
engineInitializationRequest.flowId.versionId = flowResponse.id.versionId;
engineInitializationRequest.mode = mode;
engineInitializationRequest.reportingMode = reportingMode;
// If we're not using the default player, change the urls
if (player != "default")
{
engineInitializationRequest.joinPlayerUrl = "https://flow.manywho.com/" + tenantId + "/play/" + player;
engineInitializationRequest.playerUrl = "https://flow.manywho.com/" + tenantId + "/play/" + player;
}
// Initialize the workflow with the values provided
engineInitializationRequest.inputs = new List <EngineValueAPI>();
engineInitializationRequest.inputs.Add(new EngineValueAPI()
{
developerName = "SalesforceNotificationRecordId", contentValue = objectID, contentType = ManyWhoConstants.CONTENT_TYPE_STRING
});
engineInitializationRequest.inputs.Add(new EngineValueAPI()
{
developerName = "SalesforceNotificationObjectName", contentValue = workflowRuleNotification.ObjectName, contentType = ManyWhoConstants.CONTENT_TYPE_STRING
});
if (SettingUtils.IsDebugging(mode))
{
notifier.AddLogEntry("SalesforceNotificationRecordId: " + objectID);
}
if (SettingUtils.IsDebugging(mode))
{
notifier.AddLogEntry("SalesforceNotificationObjectName: " + workflowRuleNotification.ObjectName);
}
// Initialize the engine with the bare basics
engineInitializationResponse = RunSingleton.GetInstance().Initialize(notifier, authenticationToken, tenantId, engineInitializationRequest);
// Check to see if the workflow is authorized to execute - if not, we need to login using the session
if (engineInitializationResponse.statusCode.Equals(ManyWhoConstants.AUTHORIZATION_STATUS_NOT_AUTHORIZED, StringComparison.OrdinalIgnoreCase) == true)
{
if (SettingUtils.IsDebugging(mode))
{
notifier.AddLogEntry("Event not authorized, attempting a login using session info.");
}
if (SettingUtils.IsDebugging(mode))
{
notifier.AddLogEntry("SessionId: " + workflowRuleNotification.SessionID);
}
if (SettingUtils.IsDebugging(mode))
{
notifier.AddLogEntry("SessionURL: " + workflowRuleNotification.SessionURL);
}
// Create the authentication credentials for the service
authenticationCredentials = new AuthenticationCredentialsAPI();
authenticationCredentials.loginUrl = engineInitializationResponse.authorizationContext.loginUrl;
authenticationCredentials.sessionToken = workflowRuleNotification.SessionID;
authenticationCredentials.sessionUrl = workflowRuleNotification.SessionURL;
if (SettingUtils.IsDebugging(mode))
{
notifier.AddLogEntry("Logging into service again using session info.");
}
// Login to the system
authenticationToken = RunSingleton.GetInstance().Login(notifier, tenantId, engineInitializationResponse.stateId, authenticationCredentials);
// Apply the state back
engineInitializationRequest.stateId = engineInitializationResponse.stateId;
if (SettingUtils.IsDebugging(mode))
{
notifier.AddLogEntry("Initializing engine again for state identifier: " + engineInitializationResponse.stateId);
}
// Initialize the engine again - re-using the state identifier
engineInitializationResponse = RunSingleton.GetInstance().Initialize(notifier, authenticationToken, tenantId, engineInitializationRequest);
}
// Now create the fist engine invoke request so we can get the content of the first ivr
engineInvokeRequest = new EngineInvokeRequestAPI();
engineInvokeRequest.currentMapElementId = engineInitializationResponse.currentMapElementId;
engineInvokeRequest.invokeType = ManyWhoConstants.INVOKE_TYPE_FORWARD;
engineInvokeRequest.mapElementInvokeRequest = new MapElementInvokeRequestAPI();
engineInvokeRequest.currentMapElementId = engineInitializationResponse.currentMapElementId;
engineInvokeRequest.stateId = engineInitializationResponse.stateId;
engineInvokeRequest.stateToken = engineInitializationResponse.stateToken;
engineInvokeRequest.mode = mode;
if (SettingUtils.IsDebugging(mode))
{
notifier.AddLogEntry("Sending invoke request to ManyWho.");
}
// Invoke the engine with the first request
engineInvokeResponse = RunSingleton.GetInstance().Execute(notifier, authenticationToken, tenantId, engineInvokeRequest);
// If we're running in step through mode, we notify the author with the join identifier so they can debug the workflow
if (SettingUtils.IsDebugging(engineInvokeRequest.mode) == true &&
engineInvokeRequest.mode.Equals(ManyWhoConstants.MODE_DEBUG_STEPTHROUGH, StringComparison.OrdinalIgnoreCase) == true)
{
notifier.AddLogEntry("Flow is waiting to be joined in order to be debugged.");
notifier.AddLogEntry("JoinUrl: " + engineInvokeResponse.joinFlowUri + "&mode=" + engineInvokeRequest.mode);
}
}
}
else
{
if (SettingUtils.IsDebugging(mode))
{
notifier.AddLogEntry("Notification does not have object identifiers.");
}
}
}
