public static string TriggerWorkflowAction(long entityId, string entityType, long workflowDefinitionId, string workflowInstanceId, int workflowVersion, string actionName, string comment, long currentUserId)
{
var workflowServiceParameter = new WorkflowServiceParameter
{
EntityId = entityId,
EntityType = entityType,
WorkflowDefinitionId = workflowDefinitionId,
WorkflowInstanceId = workflowInstanceId,
WorkflowVersion = workflowVersion,
ActionName = actionName,
Comment = comment,
CurrentUserId = currentUserId
};
var response = client.PostAsJsonAsync(baseAddress + "api/workflow/triggerworkflowaction", workflowServiceParameter).Result;
if (response.IsSuccessStatusCode)
{
string instanceId = JsonConvert.DeserializeObject <string>(response.Content.ReadAsStringAsync().Result);
if (string.IsNullOrEmpty(instanceId))
{
throw new BaseEamException("There're exceptions in workflow service");
}
return(instanceId);
}
else
{
string responseBody = response.Content.ReadAsStringAsync().Result;
throw new BaseEamException(responseBody);
}
}
public string TriggerWorkflowAction([FromBody] WorkflowServiceParameter param)
{
try
{
logger.InfoFormat("Triggering workflow action: EntityId = {0}, EntityType = {1}, WorkflowInstanceId = {2}, ActionName = {3}, CurrentUserId = {4}, Comment = {5}, WorkflowVersion = {6}, WorkflowDefinitionId = {7}",
param.EntityId, param.EntityType, param.WorkflowInstanceId, param.ActionName, param.CurrentUserId, param.Comment, param.WorkflowVersion, param.WorkflowDefinitionId);
//new workflow definition from workflow repository
var workflowDefinition = GetWorkflowDefinition(param);
WorkflowApplication wfApp = null;
var variable = new WorkflowVariable
{
EntityId = param.EntityId,
EntityType = param.EntityType,
WorkflowDefinitionId = param.WorkflowDefinitionId,
CurrentUserId = param.CurrentUserId,
CurrentAction = param.ActionName,
CurrentComment = param.Comment
};
wfApp = CustomWorkflowManager.ResumeWorkflow(workflowDefinition, new Guid(param.WorkflowInstanceId), param.ActionName, variable);
logger.InfoFormat("Triggered workflow action: EntityId = {0}, EntityType = {1}, WorkflowInstanceId = {2}, ActionName = {3}, CurrentUserId = {4}, Comment = {5}, WorkflowVersion = {6}, WorkflowDefinitionId = {7}",
param.EntityId, param.EntityType, param.WorkflowInstanceId, param.ActionName, param.CurrentUserId, param.Comment, param.WorkflowVersion, param.WorkflowDefinitionId);
return(wfApp.Id.ToString());
}
catch (Exception ex)
{
//log exception
logger.ErrorFormat("TriggerWorkflowAction: {0}", ex.Message);
throw this.ExceptionInternalServerError(ex);
}
}
public string StartWorkflow([FromBody] WorkflowServiceParameter param)
{
try
{
logger.InfoFormat("Starting Workflow: EntityId = {0}, EntityType = {1}, CurrentUserId = {2}, WorkflowDefinitionId = {3}, WorkflowVersion = {4}",
param.EntityId, param.EntityType, param.CurrentUserId, param.WorkflowDefinitionId, param.WorkflowVersion);
//new workflow definition from workflow repository
var workflowDefinition = GetWorkflowDefinition(param);
WorkflowApplication wfApp = null;
Dictionary <string, object> inputs = new Dictionary <string, object>();
var workflowInput = new WorkflowInput
{
CreatedUserId = param.CurrentUserId,
EntityId = param.EntityId,
EntityType = param.EntityType,
WorkflowDefinitionId = param.WorkflowDefinitionId
};
inputs.Add("WorkflowInput", workflowInput);
wfApp = CustomWorkflowManager.StartWorkflow(workflowDefinition, inputs);
logger.InfoFormat("Started workflow: EntityId = {0}, EntityType = {1}, WorkflowInstanceId = {2}, CurrentUserId = {3}, WorkflowDefinitionId = {4}",
param.EntityId, param.EntityType, wfApp.Id.ToString(), param.CurrentUserId, param.WorkflowDefinitionId);
return(wfApp.Id.ToString());
}
catch (Exception ex)
{
//log exception
logger.ErrorFormat("StartWorkflow: {0}", ex.Message);
throw this.ExceptionInternalServerError(ex);
}
}
public string CancelWorkflow([FromBody] WorkflowServiceParameter param)
{
try
{
logger.InfoFormat("Cancel workflow: EntityId = {0}, EntityType = {1}, WorkflowInstanceId = {2}, CurrentUserId = {3}, WorkflowVersion = {4}, WorkflowDefinitionId = {5}",
param.EntityId, param.EntityType, param.WorkflowInstanceId, param.CurrentUserId, param.WorkflowVersion, param.WorkflowDefinitionId);
//new workflow definition from workflow repository
var workflowDefinition = GetWorkflowDefinition(param);
WorkflowApplication wfApp = null;
wfApp = CustomWorkflowManager.CancelWorkflow(workflowDefinition, new Guid(param.WorkflowInstanceId));
logger.InfoFormat("Cancelled workflow: EntityId = {0}, EntityType = {1}, WorkflowInstanceId = {2}, CurrentUserId = {3}, WorkflowVersion = {4}, WorkflowDefinitionId = {5}",
param.EntityId, param.EntityType, param.WorkflowInstanceId, param.CurrentUserId, param.WorkflowVersion, param.WorkflowDefinitionId);
return(wfApp.Id.ToString());
}
catch (Exception ex)
{
//log exception
logger.ErrorFormat("CancelWorkflow: {0}", ex.Message);
throw this.ExceptionInternalServerError(ex);
}
}
private Activity GetWorkflowDefinition(WorkflowServiceParameter param)
{
var wfDefVersionRepository = WorkflowServiceEngine.Instance.WorkflowContainerManager.Resolve <IRepository <WorkflowDefinitionVersion> >();
var wfDefVersion = new WorkflowDefinitionVersion();
string xaml = "";
//if starting workflow
if (param.WorkflowDefinitionId == 0)
{
//get the latest version of the default wf def
wfDefVersion = wfDefVersionRepository.GetAll()
.Where(w => w.WorkflowDefinition.EntityType == param.EntityType && w.WorkflowDefinition.IsDefault == true)
.OrderByDescending(w => w.WorkflowVersion)
.First();
param.WorkflowDefinitionId = wfDefVersion.WorkflowDefinitionId.Value;
}
else if (param.WorkflowVersion == 0)
{
//get the latest version of the specified wf def
wfDefVersion = wfDefVersionRepository.GetAll()
.Where(w => w.WorkflowDefinition.EntityType == param.EntityType && w.WorkflowDefinition.Id == param.WorkflowDefinitionId)
.OrderByDescending(w => w.WorkflowVersion)
.First();
}
else
{
//get the specified version of the specified wf def
wfDefVersion = wfDefVersionRepository.GetAll()
.Where(w => w.WorkflowDefinition.EntityType == param.EntityType && w.WorkflowDefinition.Id == param.WorkflowDefinitionId &&
w.WorkflowVersion == param.WorkflowVersion)
.OrderByDescending(w => w.WorkflowVersion)
.First();
}
xaml = wfDefVersion.WorkflowXamlFileContent;
string _byteOrderMarkUtf8 = Encoding.UTF8.GetString(Encoding.UTF8.GetPreamble());
if (xaml.StartsWith(_byteOrderMarkUtf8))
{
var lastIndexOfUtf8 = _byteOrderMarkUtf8.Length - 1;
xaml = xaml.Remove(0, lastIndexOfUtf8);
}
//Load workflow definition from xaml
ActivityXamlServicesSettings settings = new ActivityXamlServicesSettings
{
CompileExpressions = true
};
XamlXmlReaderSettings xamlReaderSettings = new XamlXmlReaderSettings {
LocalAssembly = typeof(ReceiptWorkflow).Assembly
};
var stream = new MemoryStream(Encoding.UTF8.GetBytes(xaml));
XamlReader xamlReader = new XamlXmlReader(stream, xamlReaderSettings);
var activity = ActivityXamlServices.Load(xamlReader, settings);
return(activity);
}
public static string CancelWorkflow(long entityId, string entityType, long workflowDefinitionId, string workflowInstanceId, int workflowVersion, long currentUserId)
{
var workflowServiceParameter = new WorkflowServiceParameter
{
EntityId = entityId,
EntityType = entityType,
WorkflowDefinitionId = workflowDefinitionId,
WorkflowInstanceId = workflowInstanceId,
WorkflowVersion = workflowVersion,
CurrentUserId = currentUserId
};
var response = client.PostAsJsonAsync(baseAddress + "api/workflow/cancelworkflow", workflowServiceParameter).Result;
if (response.IsSuccessStatusCode)
{
return(JsonConvert.DeserializeObject <string>(response.Content.ReadAsStringAsync().Result));
}
else
{
string responseBody = response.Content.ReadAsStringAsync().Result;
throw new BaseEamException(responseBody);
}
}
