/// <summary>
/// Executes the workflow activity.
/// </summary>
/// <param name="executionContext">The execution context.</param>
protected override void Execute(CodeActivityContext executionContext)
{
// Create the tracing service
ITracingService tracingService = executionContext.GetExtension<ITracingService>();
if (tracingService == null)
{
throw new InvalidPluginExecutionException("Failed to retrieve tracing service.");
}
tracingService.Trace("Entered " + _activityName + ".Execute(), Activity Instance Id: {0}, Workflow Instance Id: {1}",
executionContext.ActivityInstanceId,
executionContext.WorkflowInstanceId);
// Create the context
IWorkflowContext context = executionContext.GetExtension<IWorkflowContext>();
if (context == null)
{
throw new InvalidPluginExecutionException("Failed to retrieve workflow context.");
}
tracingService.Trace(_activityName + ".Execute(), Correlation Id: {0}, Initiating User: {1}",
context.CorrelationId,
context.InitiatingUserId);
IOrganizationServiceFactory serviceFactory = executionContext.GetExtension<IOrganizationServiceFactory>();
IOrganizationService service = serviceFactory.CreateOrganizationService(context.UserId);
try
{
//set default outputs to false, blank, whatever
PlateFound.Set(executionContext, false);
ContactFound.Set(executionContext, false);
ContactId.Set(executionContext, Guid.Empty.ToString());
ContactName.Set(executionContext, string.Empty);
PlateNum.Set(executionContext, string.Empty);
ImgUrl.Set(executionContext, string.Empty);
//create the webrequest object and execute it
System.Net.WebRequest req = System.Net.WebRequest.Create(Endpoint.Get(executionContext));
//must set the content type for json
req.ContentType = "application/json";
//must set method to post
req.Method = "GET";
//get the response
System.Net.WebResponse resp = req.GetResponse();
Stream responseStream = CopyAndClose(resp.GetResponseStream());
// Do something with the stream
StreamReader reader = new StreamReader(responseStream, Encoding.UTF8);
String responseString = reader.ReadToEnd();
tracingService.Trace("json response: {0}", responseString);
responseStream.Position = 0;
//deserialize the response to a myjsonresponse object
JsonResponse myResponse = new JsonResponse();
System.Runtime.Serialization.Json.DataContractJsonSerializer deserializer = new System.Runtime.Serialization.Json.DataContractJsonSerializer(myResponse.GetType());
myResponse = deserializer.ReadObject(responseStream) as JsonResponse;
if (myResponse.Results.Length > 0)
{
//plate detected
string platenum = myResponse.Results[0].Plate;
PlateFound.Set(executionContext, true);
PlateNum.Set(executionContext, platenum);
//set image path
var uri = new Uri(Endpoint.Get(executionContext));
string image = string.Format("{0}://{1}:{2}{3}", uri.Scheme, uri.Host, uri.Port, myResponse.Image);
ImgUrl.Set(executionContext, image);
//search for the contact
//this should probably search for other matches if it can't find a result for the "best" match
tracingService.Trace("entering 'contact search'", "");
tracingService.Trace("building fetch", "");
string fetchXml = @"<fetch distinct='false' mapping='logical' output-format='xml-platform' version='1.0'>
<entity name='contact'>
<attribute name='fullname'/>
<filter type='and'>
<condition attribute='lpa_platenumber' value='{0}' operator='eq'/>
</filter>
</entity>
</fetch> ";
fetchXml = string.Format(fetchXml, platenum);
tracingService.Trace("prepared fetchxml: {0}", fetchXml);
tracingService.Trace("retrieving contacts", "");
EntityCollection contacts = service.RetrieveMultiple(new FetchExpression(fetchXml));
if (contacts.Entities.Count == 1)
{
ContactFound.Set(executionContext, true);
ContactId.Set(executionContext, contacts.Entities[0].Id.ToString());
ContactName.Set(executionContext, contacts.Entities[0]["fullname"].ToString());
}
}
}
catch (WebException exception)
{
string str = string.Empty;
if (exception.Response != null)
{
using (StreamReader reader =
new StreamReader(exception.Response.GetResponseStream()))
{
str = reader.ReadToEnd();
}
exception.Response.Close();
}
if (exception.Status == WebExceptionStatus.Timeout)
{
throw new InvalidPluginExecutionException(
"The timeout elapsed while attempting to issue the request.", exception);
}
throw new InvalidPluginExecutionException(String.Format(CultureInfo.InvariantCulture,
"A Web exception ocurred while attempting to issue the request. {0}: {1}",
exception.Message, str), exception);
}
catch (FaultException<OrganizationServiceFault> e)
{
tracingService.Trace("Exception: {0}", e.ToString());
// Handle the exception.
throw;
}
catch (Exception e)
{
tracingService.Trace("Exception: {0}", e.ToString());
throw;
}
tracingService.Trace("Exiting " + _activityName + ".Execute(), Correlation Id: {0}", context.CorrelationId);
}
/// <summary>
/// Executes the workflow activity.
/// </summary>
/// <param name="executionContext">The execution context.</param>
protected override void Execute(CodeActivityContext executionContext)
{
// Create the tracing service
ITracingService tracingService = executionContext.GetExtension <ITracingService>();
if (tracingService == null)
{
throw new InvalidPluginExecutionException("Failed to retrieve tracing service.");
}
tracingService.Trace("Entered " + _activityName + ".Execute(), Activity Instance Id: {0}, Workflow Instance Id: {1}",
executionContext.ActivityInstanceId,
executionContext.WorkflowInstanceId);
// Create the context
IWorkflowContext context = executionContext.GetExtension <IWorkflowContext>();
if (context == null)
{
throw new InvalidPluginExecutionException("Failed to retrieve workflow context.");
}
tracingService.Trace(_activityName + ".Execute(), Correlation Id: {0}, Initiating User: {1}",
context.CorrelationId,
context.InitiatingUserId);
IOrganizationServiceFactory serviceFactory = executionContext.GetExtension <IOrganizationServiceFactory>();
IOrganizationService service = serviceFactory.CreateOrganizationService(context.UserId);
try
{
//set default outputs to false, blank, whatever
PlateFound.Set(executionContext, false);
ContactFound.Set(executionContext, false);
ContactId.Set(executionContext, Guid.Empty.ToString());
ContactName.Set(executionContext, string.Empty);
PlateNum.Set(executionContext, string.Empty);
ImgUrl.Set(executionContext, string.Empty);
//create the webrequest object and execute it
System.Net.WebRequest req = System.Net.WebRequest.Create(Endpoint.Get(executionContext));
//must set the content type for json
req.ContentType = "application/json";
//must set method to post
req.Method = "GET";
//get the response
System.Net.WebResponse resp = req.GetResponse();
Stream responseStream = CopyAndClose(resp.GetResponseStream());
// Do something with the stream
StreamReader reader = new StreamReader(responseStream, Encoding.UTF8);
String responseString = reader.ReadToEnd();
tracingService.Trace("json response: {0}", responseString);
responseStream.Position = 0;
//deserialize the response to a myjsonresponse object
JsonResponse myResponse = new JsonResponse();
System.Runtime.Serialization.Json.DataContractJsonSerializer deserializer = new System.Runtime.Serialization.Json.DataContractJsonSerializer(myResponse.GetType());
myResponse = deserializer.ReadObject(responseStream) as JsonResponse;
if (myResponse.Results.Length > 0)
{
//plate detected
string platenum = myResponse.Results[0].Plate;
PlateFound.Set(executionContext, true);
PlateNum.Set(executionContext, platenum);
//set image path
var uri = new Uri(Endpoint.Get(executionContext));
string image = string.Format("{0}://{1}:{2}{3}", uri.Scheme, uri.Host, uri.Port, myResponse.Image);
ImgUrl.Set(executionContext, image);
//search for the contact
//this should probably search for other matches if it can't find a result for the "best" match
tracingService.Trace("entering 'contact search'", "");
tracingService.Trace("building fetch", "");
string fetchXml = @"<fetch distinct='false' mapping='logical' output-format='xml-platform' version='1.0'>
<entity name='contact'>
<attribute name='fullname'/>
<filter type='and'>
<condition attribute='lpa_platenumber' value='{0}' operator='eq'/>
</filter>
</entity>
</fetch> ";
fetchXml = string.Format(fetchXml, platenum);
tracingService.Trace("prepared fetchxml: {0}", fetchXml);
tracingService.Trace("retrieving contacts", "");
EntityCollection contacts = service.RetrieveMultiple(new FetchExpression(fetchXml));
if (contacts.Entities.Count == 1)
{
ContactFound.Set(executionContext, true);
ContactId.Set(executionContext, contacts.Entities[0].Id.ToString());
ContactName.Set(executionContext, contacts.Entities[0]["fullname"].ToString());
}
}
}
catch (WebException exception)
{
string str = string.Empty;
if (exception.Response != null)
{
using (StreamReader reader =
new StreamReader(exception.Response.GetResponseStream()))
{
str = reader.ReadToEnd();
}
exception.Response.Close();
}
if (exception.Status == WebExceptionStatus.Timeout)
{
throw new InvalidPluginExecutionException(
"The timeout elapsed while attempting to issue the request.", exception);
}
throw new InvalidPluginExecutionException(String.Format(CultureInfo.InvariantCulture,
"A Web exception ocurred while attempting to issue the request. {0}: {1}",
exception.Message, str), exception);
}
catch (FaultException <OrganizationServiceFault> e)
{
tracingService.Trace("Exception: {0}", e.ToString());
// Handle the exception.
throw;
}
catch (Exception e)
{
tracingService.Trace("Exception: {0}", e.ToString());
throw;
}
tracingService.Trace("Exiting " + _activityName + ".Execute(), Correlation Id: {0}", context.CorrelationId);
}
