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using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Tango.Core;
using Tango.Core.DI;
using Tango.FSE.BL;
using Tango.FSE.Common;
using Tango.FSE.Common.Connection;
using Tango.FSE.Common.HotFolder;
using Tango.FSE.Common.Notifications;
using Tango.FSE.Common.RemoteJobUpload;
using Tango.PPC.Shared.RemoteJobUpload;
using Tango.Settings;
namespace Tango.FSE.UI.HotFolder
{
[TangoCreateWhenRegistered]
public class DefaultHotFolderService : FSEExtendedObject, IHotFolderService
{
private Thread _watchThread;
private class FailedItem
{
public String File { get; set; }
public int Count { get; set; }
}
private bool _enabled;
public bool Enabled
{
get { return _enabled; }
set { _enabled = value; RaisePropertyChangedAuto(); RaisePropertyChanged(nameof(IsActive)); }
}
private String _hotFolderPath;
public String HotFolderPath
{
get { return _hotFolderPath; }
set { _hotFolderPath = value; RaisePropertyChangedAuto(); }
}
private bool _isActive;
public bool IsActive
{
get { return _isActive && _enabled; }
private set { _isActive = value; RaisePropertyChangedAuto(); }
}
[TangoInject]
private IRemoteJobUploadProvider RemoteJobUploadProvider { get; set; }
private IMachineProvider MachineProvider { get; set; }
[TangoInject]
private INotificationProvider NotificationProvider { get; set; }
public SynchronizedObservableCollection<HotFolderItem> Items { get; private set; }
public DefaultHotFolderService(IMachineProvider machineProvider)
{
Items = new SynchronizedObservableCollection<HotFolderItem>();
bool testData = false;
if (testData)
{
HotFolderItem item1 = new HotFolderItem("C:\\HotFolder\\file1.csv");
item1.Status = HotFolderItemStatus.Pending;
Items.Add(item1);
HotFolderItem item2 = new HotFolderItem("C:\\HotFolder\\file2.csv");
item2.Status = HotFolderItemStatus.Uploading;
Items.Add(item2);
HotFolderItem item3 = new HotFolderItem("C:\\HotFolder\\file3.csv");
item3.Status = HotFolderItemStatus.Completed;
Items.Add(item3);
HotFolderItem item4 = new HotFolderItem("C:\\HotFolder\\file4.csv");
item4.Status = HotFolderItemStatus.Failed;
item4.Message = "Error some error with some message I don't know.";
Items.Add(item4);
HotFolderItem item5 = new HotFolderItem("C:\\HotFolder\\file5.csv");
item5.Status = HotFolderItemStatus.CompletedWithError;
item5.Message = "Can't delete file after completion.\nPlease remove manually.";
Items.Add(item5);
}
MachineProvider = machineProvider;
var settings = SettingsManager.Default.GetOrCreate<FSESettings>();
Enabled = settings.EnableHotFolder;
String defaultPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
"Twine", "Tango", "Hot Folder", BuildProvider.Build.ToDescription());
HotFolderPath = settings.HotFolderPath.IsNotNullOrEmpty() ? settings.HotFolderPath : defaultPath;
MachineProvider.MachineConnected += MachineProvider_MachineConnected;
}
private void MachineProvider_MachineConnected(object sender, MachineConnectedEventArgs e)
{
if (MachineProvider.ConnectionType.IsRemote())
{
try
{
if (!Directory.Exists(HotFolderPath))
{
Directory.CreateDirectory(HotFolderPath);
}
_watchThread = new Thread(WatchThreadLoop);
_watchThread.IsBackground = true;
_watchThread.Start();
}
catch (Exception ex)
{
LogManager.Log(ex, $"Error initializing hot folder at '{HotFolderPath}'.");
NotificationProvider.PushSnackbarItem(MessageType.Error, "Hot Folder", true, "Error initializing hot folder");
}
}
}
private void WatchThreadLoop()
{
while (MachineProvider.IsConnected)
{
try
{
Thread.Sleep(5000);
if (Enabled && MachineProvider.IsConnected && Directory.Exists(HotFolderPath))
{
IsActive = true;
var files = Directory.GetFiles(HotFolderPath).ToList();
String machineHotFolder = Path.Combine(HotFolderPath, MachineProvider.Machine.SerialNumber);
try
{
Directory.CreateDirectory(machineHotFolder);
}
catch (Exception ex)
{
LogManager.Log(ex, $"Error creating folder {MachineProvider.Machine.SerialNumber} inside hot folder.");
}
if (Directory.Exists(machineHotFolder))
{
files.AddRange(Directory.GetFiles(machineHotFolder));
}
foreach (var file in files)
{
if (!MachineProvider.IsConnected) break;
bool upload = false;
String extension = Path.GetExtension(file).ToLower();
String fileName = Path.GetFileName(file);
if (extension == ".csv") upload = true;
if (upload)
{
HotFolderItem hotFolderItem = Items.FirstOrDefault(x => x.FilePath == file);
if (hotFolderItem == null || hotFolderItem.Status != HotFolderItemStatus.Pending && hotFolderItem.Status != HotFolderItemStatus.Failed)
{
LogManager.Log($"Found new hot folder item '{fileName}'. Uploading...");
hotFolderItem = new HotFolderItem(file);
hotFolderItem.Status = HotFolderItemStatus.Uploading;
Items.Insert(0, hotFolderItem);
}
else if (hotFolderItem.Status == HotFolderItemStatus.Pending)
{
LogManager.Log($"Retrying hot folder item '{fileName}'. Uploading...");
hotFolderItem.Status = HotFolderItemStatus.Uploading;
}
else
{
continue;
}
var snackItem = NotificationProvider.PushProgressSnackbar("Hot Folder", $"Uploading '{fileName}' to machine '{MachineProvider.Machine.SerialNumber}'...");
try
{
RemoteJobUploadProvider.UploadJob(file, RemoteJobUploadType.CSV).GetAwaiter().GetResult();
LogManager.Log($"Success uploading hot folder item '{fileName}'.");
snackItem.ProgressCompleted($"'{fileName}' uploaded successfully.", TimeSpan.FromSeconds(10));
hotFolderItem.Status = HotFolderItemStatus.Completed;
try
{
File.Delete(file);
}
catch (Exception ex)
{
LogManager.Log(ex, $"Error deleting file '{fileName}' after upload from hot folder.");
NotificationProvider.PushSnackbarItem(MessageType.Error, "Hot Folder", true, $"$Error deleting '{fileName}' from hot folder.");
hotFolderItem.Status = HotFolderItemStatus.CompletedWithError;
hotFolderItem.Message = "Error deleting file after completion.";
}
}
catch (Exception ex)
{
LogManager.Log(ex, $"Error uploading hot folder item '{fileName}'.");
snackItem.ProgressFailed($"'{fileName}' upload failed.\n{ex.Message}", TimeSpan.FromSeconds(10));
hotFolderItem.Status = HotFolderItemStatus.Failed;
hotFolderItem.Message = ex.Message;
}
}
}
}
else
{
IsActive = false;
}
}
catch (Exception ex)
{
LogManager.Log(ex, "Error occurred on hot folder service watch loop.");
}
}
IsActive = false;
}
public void RetryFailedItem(HotFolderItem item)
{
if (item != null) item.Status = HotFolderItemStatus.Pending;
}
}
}
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