private void CleanupWorkflowDefinitionsAndSubscriptions(Microsoft.SharePoint.Client.Web web)
{
// Get a reference to infrastructural services
Microsoft.SharePoint.Client.WorkflowServices.WorkflowServicesManager servicesManager = null;
try
{
servicesManager = new Microsoft.SharePoint.Client.WorkflowServices.WorkflowServicesManager(web.Context, web);
}
catch (ServerException)
{
// If there is no workflow service present in the farm this method will throw an error.
// Swallow the exception
}
if (servicesManager != null)
{
var deploymentService = servicesManager.GetWorkflowDeploymentService();
var subscriptionService = servicesManager.GetWorkflowSubscriptionService();
if (subscriptionService != null)
{
var subscription = subscriptionService.GetSubscription(this._wfSubscriptionId);
web.Context.Load(subscription);
web.Context.ExecuteQueryRetry();
if (!subscription.ServerObjectIsNull())
{
subscriptionService.DeleteSubscription(this._wfSubscriptionId);
web.Context.ExecuteQueryRetry();
}
}
if (deploymentService != null)
{
var definition = deploymentService.GetDefinition(this._wfDefinitionId);
web.Context.Load(definition);
web.Context.ExecuteQueryRetry();
if (!definition.ServerObjectIsNull())
{
deploymentService.DeleteDefinition(this._wfDefinitionId);
web.Context.ExecuteQueryRetry();
}
}
}
}
private void ExecuteCmdletByListItem()
{
List list = null;
ListItem listitem = null;
if (List != null)
{
list = List.GetList(SelectedWeb);
if (list == null)
{
throw new PSArgumentException($"No list found with id, title or url '{List}'", nameof(List));
}
}
else
{
throw new PSArgumentException("List required");
}
if (ListItem != null)
{
listitem = ListItem.GetListItem(list);
if (listitem == null)
{
throw new PSArgumentException($"No list item found with id, or title '{ListItem}'", nameof(ListItem));
}
}
else
{
throw new PSArgumentException("List Item required");
}
var workflowServicesManager = new Microsoft.SharePoint.Client.WorkflowServices.WorkflowServicesManager(ClientContext, SelectedWeb);
var workflowInstanceService = workflowServicesManager.GetWorkflowInstanceService();
var workflows = workflowInstanceService.EnumerateInstancesForListItem(list.Id, listitem.Id);
ClientContext.Load(workflows);
ClientContext.ExecuteQueryRetry();
WriteObject(workflows, true);
}
