/// <summary>
/// Marks the specified workflow as inactive and cancels all currently scheduled tasks for that
/// </summary>
/// <param name="id"></param>
public async System.Threading.Tasks.Task <bool> Delete(string id)
{
var workflow = await _context.Workflows.Where(w => w.id == id).FirstOrDefaultAsync();
if (workflow != null)
{
Log.Information("Cancelling Workflow: {0}, and associated Tasks.", id);
var tasks = await _context.Tasks.Where(t => t.workflowID == id).ToListAsync();
foreach (LimsServer.Entities.Task t in tasks)
{
if (t.status == "SCHEDULED")
{
t.status = "CANCELLED";
t.message = "Corresponding workflow cancelled.";
var newState = new Hangfire.States.DeletedState();
Log.Information("Task Cancelled. WorkflowID: {0}, ID: {1}, Hangfire ID: {2}", t.workflowID, t.id, t.taskID);
try
{
BackgroundJobClient backgroundClient = new BackgroundJobClient();
backgroundClient.ChangeState(t.taskID, newState);
}
catch (Exception)
{
Log.Warning("Error unable to change Hangfire background job to deleted state. Task ID: {0}", t.taskID);
}
}
}
Log.Information("Setting LIMS Workflow, ID: {0} to inactive", id);
workflow.active = false;
await _context.SaveChangesAsync();
return(true);
}
else
{
Log.Information("Unable to cancel Workflow: {0}, ID not found.", id);
return(false);
}
}
/// <summary>
/// Updates the workflow provided by id
/// </summary>
/// <param name="workflow"></param>
public async System.Threading.Tasks.Task <bool> Update(Workflow _workflow, bool bypass = false)
{
string id = _workflow.id;
var workflow = await _context.Workflows.Where(w => w.id == id).FirstOrDefaultAsync();
if (workflow != null)
{
workflow.Update(_workflow);
await _context.SaveChangesAsync();
Log.Information("Updating Workflow: {0}, and reschduling existing Tasks.", id);
var tasks = await _context.Tasks.Where(t => t.workflowID == id).ToListAsync();
bool taskRunning = false;
foreach (LimsServer.Entities.Task t in tasks)
{
if (t.status == "SCHEDULED" && workflow.active)
{
t.start = DateTime.Now.AddMinutes(workflow.interval);
await _context.SaveChangesAsync();
Log.Information("Task Rescheduled. WorkflowID: {0}, ID: {1}, Hangfire ID: {2}, Input Directory: {3}, Message: {4}", t.workflowID, t.id, t.taskID, workflow.inputFolder, "Workflow updated, task rescheduled to new workflow configuration.");
taskRunning = true;
try
{
var newSchedule = new Hangfire.States.ScheduledState(TimeSpan.FromMinutes(workflow.interval));
BackgroundJobClient backgroundClient = new BackgroundJobClient();
backgroundClient.ChangeState(t.taskID, newSchedule);
}
catch (Exception)
{
Log.Warning("Error rescheduling Hangfire background job. Job ID: {0}", t.taskID);
}
}
else
{
t.status = "CANCELLED";
t.message = "Corresponding workflow updated.";
var newState = new Hangfire.States.DeletedState();
Log.Information("Task Cancelled. WorkflowID: {0}, ID: {1}, Hangfire ID: {2}", t.workflowID, t.id, t.taskID);
try
{
BackgroundJobClient backgroundClient = new BackgroundJobClient();
backgroundClient.ChangeState(t.taskID, newState);
}
catch (Exception)
{
Log.Warning("Error cancelling Hanfire background job. Job ID: {0}", t.taskID);
}
}
}
if (!taskRunning && workflow.active)
{
string newId = System.Guid.NewGuid().ToString();
LimsServer.Entities.Task tsk = new Entities.Task(newId, workflow.id, workflow.interval);
TaskService ts = new TaskService(this._context);
var task = await ts.Create(tsk);
await _context.SaveChangesAsync();
Log.Information("Created new Task for updated Workflow ID: {0}, Updated Task ID: {1}, Hangfire ID: {2}", newId, tsk.id, tsk.taskID);
}
return(true);
}
else
{
Log.Information("Unable to cancel Workflow: {0}, ID not found.", id);
return(false);
}
}
