public string DispatchStateListenerResponse(IAuthenticatedWho authenticatedWho, string callbackUri, ListenerServiceResponseAPI listenerServiceResponse)
{
HttpClient httpClient = null;
HttpContent httpContent = null;
HttpResponseMessage httpResponseMessage = null;
string invokeResponse = null;
Policy.Handle <ServiceProblemException>().Retry(HttpUtils.MAXIMUM_RETRIES).Execute(() =>
{
using (httpClient = HttpUtils.CreateHttpClient(authenticatedWho, authenticatedWho.ManyWhoTenantId.ToString(), null))
{
// Use the JSON formatter to create the content of the request body
httpContent = new StringContent(JsonConvert.SerializeObject(listenerServiceResponse));
httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/json");
// Post the authentication request over to ManyWho
httpResponseMessage = httpClient.PostAsync(callbackUri, httpContent).Result;
// Check the status of the response and respond appropriately
if (httpResponseMessage.IsSuccessStatusCode)
{
invokeResponse = JsonConvert.DeserializeObject <string>(httpResponseMessage.Content.ReadAsStringAsync().Result);
}
else
{
throw new ServiceProblemException(new ServiceProblem(callbackUri, httpResponseMessage, string.Empty));
}
}
});
return(invokeResponse);
}
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);
}
}
}
}
}
}
