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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.BL.DTO;
using Tango.Core;
using Tango.Core.DI;
using Tango.Integration.ExternalBridge;
using Tango.Integration.Operation;
using Tango.PPC.Common.Connection;
using Tango.PPC.Common.ExternalBridge;
using Tango.PPC.Shared.Jobs;
namespace Tango.PPC.Common.RemoteJob
{
[TangoCreateWhenRegistered]
public class DefaultRemoteJobService : IRemoteJobService, IExternalBridgeRequestHandler
{
private class RunningJobUpdateClient
{
public String Token { get; set; }
public ExternalBridgeReceiver Receiver { get; set; }
public bool JobSent { get; set; }
}
private List<RunningJobUpdateClient> _clients;
private JobHandler _handler;
private JobDTO _currentJobDTO;
private ProcessParametersTableDTO _currentJobProcessParameters;
public bool Enabled { get; set; } = true;
private IMachineProvider MachineProvider { get; set; }
public DefaultRemoteJobService(IPPCExternalBridgeService externalBridge, IMachineProvider machineProvider)
{
externalBridge.RegisterRequestHandler(this);
MachineProvider = machineProvider;
_clients = new List<RunningJobUpdateClient>();
MachineProvider.MachineOperator.PrintingStarted += MachineOperator_PrintingStarted;
}
private async void MachineOperator_PrintingStarted(object sender, Integration.Operation.PrintingEventArgs e)
{
_handler = e.JobHandler;
e.JobHandler.StatusChanged += JobHandler_StatusChanged;
e.JobHandler.Stopped += JobHandler_Stopped;
_currentJobDTO = JobDTO.FromObservable(e.Job);
_currentJobProcessParameters = ProcessParametersTableDTO.FromObservable(_handler.ProcessParameters);
foreach (var client in _clients.ToList())
{
try
{
RemoteJobProgress progress = new RemoteJobProgress();
progress.Stage = RemoteJobStage.Started;
progress.JobStatus = _handler.JobStatus;
await client.Receiver.SendGenericResponse(new RemoteJobUpdateResponse()
{
Job = _currentJobDTO,
ProcessParameters = _currentJobProcessParameters,
Progress = progress
}, client.Token);
client.JobSent = true;
}
catch { }
}
}
private async void JobHandler_StatusChanged(object sender, RunningJobStatus e)
{
foreach (var client in _clients.ToList())
{
if (client.JobSent)
{
try
{
await client.Receiver.SendGenericResponse(new RemoteJobUpdateResponse()
{
Progress = GetJobProgress(_handler)
}, client.Token);
}
catch { }
}
else
{
try
{
RemoteJobProgress progress = new RemoteJobProgress();
progress.Stage = RemoteJobStage.Started;
progress.JobStatus = _handler.JobStatus;
await client.Receiver.SendGenericResponse(new RemoteJobUpdateResponse()
{
Job = _currentJobDTO,
ProcessParameters = _currentJobProcessParameters,
Progress = progress
}, client.Token);
client.JobSent = true;
}
catch { }
}
}
}
private async void JobHandler_Stopped(object sender, EventArgs e)
{
foreach (var client in _clients.ToList().Where(x => x.JobSent))
{
try
{
await client.Receiver.SendGenericResponse(new RemoteJobUpdateResponse()
{
Progress = GetJobProgress(_handler),
}, client.Token);
client.JobSent = false;
}
catch { }
}
}
private RemoteJobProgress GetJobProgress(JobHandler handler)
{
RemoteJobStage stage = RemoteJobStage.Running;
if (_handler.Status.IsCanceled)
{
stage = RemoteJobStage.Aborted;
}
else if (_handler.Status.IsCompleted)
{
stage = RemoteJobStage.Completed;
}
else if (_handler.Status.IsFailed)
{
stage = RemoteJobStage.Failed;
}
return new RemoteJobProgress()
{
Stage = stage,
JobStatus = handler.JobStatus,
};
}
[ExternalBridgeRequestHandlerMethod(typeof(RemoteJobUpdateRequest), RequestHandlerLoggingMode.LogRequestName)]
public async Task OnRunningJobUpdateRequest(RemoteJobUpdateRequest request, String token, ExternalBridgeReceiver receiver)
{
this.ThrowIfDisabled();
if (!_clients.ToList().Exists(x => x.Receiver == receiver))
{
_clients.Add(new RunningJobUpdateClient()
{
Receiver = receiver,
Token = token
});
}
await receiver.SendGenericResponse(new RemoteJobUpdateResponse(), token);
}
public void OnReceiverDisconnected(ExternalBridgeReceiver receiver)
{
_clients.RemoveAll(x => x.Receiver == receiver);
}
}
}
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