public void QueueExection(BpmWorkFlow workItem)
{
if (workItem == null)
{
throw new ArgumentNullException(nameof(workItem));
}
_workItems.Enqueue(workItem);
_signal.Release();
}
protected async override Task ExecuteAsync(CancellationToken stoppingToken)
{
_logger.LogInformation("Bpm Invoker Service is Starting");
while (!stoppingToken.IsCancellationRequested)
{
BpmWorkFlow bpmWorkFlow = await _invokerQueue.DequeueAsync(stoppingToken);
if (bpmWorkFlow != null)
{
await invokeWorkFlow(bpmWorkFlow);
}
}
_logger.LogInformation("Bpm Invoker Service is Stoping");
}
private async Task invokeWorkFlow(BpmWorkFlow bpmWorkFlow)
{
_logger.LogInformation("Bpm Invoker Service Invoking Workflow " + bpmWorkFlow.workflowName);
using (var client = new HttpClient())
{
try
{
string url = _config["BpmEngine:Address"] + "/engine/api/workflow?name=";
_logger.LogInformation("Sending to " + url);
await client.PostAsJsonAsync(url + bpmWorkFlow.workflowName, bpmWorkFlow.Param);
}
catch (Exception)
{
throw;
}
}
}
public async Task <ActionResult> InvokeOrder(Order order)
{
List <Task> tasks = new List <Task>();
byte[] error = new byte[500];
List <ProductInOrder> productInOrders = await _orderProductRepository.ShowProductsInOrder(order.id, error);
List <Product> products = new List <Product>();
if (checkQuery(error))
{
BpmWorkFlow bpmWorkFlow = new BpmWorkFlow();
JObject jObject = new JObject();
bpmWorkFlow.workflowName = "node";
foreach (var productInOrder in productInOrders)
{
tasks.Add(Task.Run(async() =>
{
byte[] err = new byte[500];
Console.WriteLine("pid = " + productInOrder.productID);
Product product = await _productRepository.GetById(productInOrder.productID, err);
if (checkQuery(err))
{
products.Add(product);
jObject.Add(product.name, (productInOrder.unitsOrdered.ToString()));
}
}));
}
await Task.WhenAll(tasks);
bpmWorkFlow.Param = jObject;
_bpmInvokerQueue.QueueExection(bpmWorkFlow);
return(Ok("successfully Invoke"));
}
else
{
return(BadRequest("Error"));
}
}
public ActionResult RunWorkFlow(BpmWorkFlow bpmWorkFlow)
{
_bpmInvokerQueue.QueueExection(bpmWorkFlow);
return(Ok());
}
public async Task <IActionResult> UploadWorkFlow(BpmWorkFlow bpmWorkFlow)
{
Console.WriteLine(bpmWorkFlow.workflowName);
_logger.LogInformation("Bpm Invoker Service Invoking Workflow " + bpmWorkFlow.workflowName);
using (var client = new HttpClient())
{
try
{
string url = _config["BpmEngine:Address"] + "/engine/api/workflow?name=";
_logger.LogInformation("Sending to " + url);
await client.PostAsJsonAsync(url + bpmWorkFlow.workflowName, bpmWorkFlow.workFlowParam);
}
catch (Exception)
{
throw;
}
}
//try
//{
// bool isCopied = false;
// if (file.Length > 0)
// {
// string fileName = file.FileName;
// string extension = Path.GetExtension(fileName);
// if (extension == ".xml")
// {
// string workFlowStr = null;
// string WorkFlowName = null;
// string workFlowId = null;
// using (Stream stream = file.OpenReadStream())
// {
// BinaryReader br = new BinaryReader(stream);
// byte[] fileBytes = br.ReadBytes((int)stream.Length);
// workFlowStr = Encoding.ASCII.GetString(fileBytes);
// XmlDocument xmlDoc = new XmlDocument();
// stream.Position = 0;
// xmlDoc.Load(stream);
// var element = xmlDoc.GetElementsByTagName("nodes")[0];
// if (element == null)
// {
// throw new Exception("This xml file is not supported");
// }
// WorkFlowName = element.Attributes["name"].Value;
// //workFlowId = element.Attributes["id"].Value;
// Console.WriteLine(WorkFlowName);
// }
// string filePath = Path.GetFullPath(
// Path.Combine(Directory.GetCurrentDirectory(),
// "wwwroot/WorkFlows"));
// using (var fileStream = new FileStream(
// Path.Combine(filePath, fileName),
// FileMode.Create))
// {
// await file.CopyToAsync(fileStream);
// isCopied = true;
// }
// if (isCopied)
// {
// string idstr = workFlowId;
// Console.WriteLine(idstr);
// await _nodeLangRepository.Create(new NodeLangWorkflow
// {
// //Id = workFlowId,
// Name = WorkFlowName,
// //WorkFlow = workFlowStr,
// RuningInstances = 0
// }
// );
// await _hubcontext.Clients.All.SendAsync("updateDeployList", idstr, WorkFlowName, workFlowStr);
// return Ok();
// }
// }
// else
// {
// throw new Exception("File must be .xml");
// }
// }
//}
//catch (Exception ex)
//{
// Console.WriteLine(ex.Message);
//}
return(BadRequest("error"));
}
