public virtual void StartSession()
{
bool started = _imageRepository.StartSession();
if (!started)
{
return;
}
_imageRepository.Commit();
}
//TODO передать токен для отмены ниже по стеку
public void StartMonitoring(CancellationTokenSource tokenSource, DateTime startDate, DateTime endDate, string hashTag, Action stopService)
{
EventLog.WriteEntry(EventTarget, string.Format("Monitoring start with pararams: startData - {0} endDate - {1} HashTag - #{2}", startDate, endDate, hashTag), EventLogEntryType.Information);
endDate = new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, endDate.Hour, endDate.Minute, endDate.Second);
var thread = new Thread(() =>
{
var printed = new List <string>();
string nextUrl = null;
while (!tokenSource.IsCancellationRequested)
{
try
{
if (DateTime.Now.Ticks >= endDate.Ticks)
{
break;
}
Task.Delay(TimeSpan.FromSeconds(5)).Wait();
ImageResponse result = string.IsNullOrEmpty(nextUrl)
? _instagramExplorer.GetImagesByHashTag(hashTag, "", tokenSource.Token).Result
: _instagramExplorer.GetImagesFromUrl(nextUrl, tokenSource.Token).Result;
nextUrl = result.Return(x => x.NextUrl, null);
long?lastPhotoTime = _imageRep.GetLastPhotoTimeCurrentSession();
foreach (var image in result.Images)
{
if (image.CreatedTime < _startTime.Ticks || image.CreatedTime <= lastPhotoTime)
{
nextUrl = null;
printed.Add(image.Url);
}
if (printed.Contains(image.Url))
{
continue;
}
_imageRep.SetLastPhotoTimeCurrentSession(image.CreatedTime);
_imageRep.Commit();
printed.Add(image.Url);
_messageAdapter.Print(image, _printerName);
}
}
catch (Exception ex)
{
EventLog.WriteEntry(EventTarget, string.Format("Error process image:{0}\n{1}", ex.Message, ex.StackTrace), EventLogEntryType.Information);
}
}
EventLog.WriteEntry(EventTarget, "Monitoring stop", EventLogEntryType.Information);
stopService();
});
thread.SetApartmentState(ApartmentState.STA);
thread.Start();
}
public virtual void SaveImage(ImageViewModel image)
{
try
{
Session session = _imageRepository.GetActiveSession() ?? _imageRepository.GetLastSession();
if (session == null)
{
if (_imageRepository.StartSession())
{
session = _imageRepository.GetActiveSession();
}
else
{
throw new Exception("Cannot start session");
}
}
string baseDir = AppDomain.CurrentDomain.BaseDirectory;
DirectoryInfo info = !Directory.Exists(Path.Combine(baseDir, "Images"))
? Directory.CreateDirectory(Path.Combine(baseDir, "Images"))
: new DirectoryInfo(Path.Combine(baseDir, "Images"));
string currentSessionStartTime = session.StartTime.ToString("dd_MM_yyyy");
string subDirectoryPath = Path.Combine(info.FullName, string.Format("{0}_{1}", currentSessionStartTime, session.Id));
DirectoryInfo subDirectory = !Directory.Exists(subDirectoryPath)
? info.CreateSubdirectory(string.Format("{0}_{1}", currentSessionStartTime, session.Id))
: new DirectoryInfo(subDirectoryPath);
string path = Path.Combine(subDirectory.FullName, string.Format("{0}.png", Guid.NewGuid()));
File.WriteAllBytes(path, image.Data);
Image imageDb = new Image()
{
Session = session,
Name = image.Name,
Path = path
};
imageDb.Session = session;
_imageRepository.AddImage(imageDb);
_imageRepository.Commit();
}
catch (Exception)
{
}
}
public async Task UpdateImage(Image updatedImage)
{
imgRepo.Update(updatedImage);
await imgRepo.Commit();
}
public void SaveChanges()
{
_imageRepository.Commit();
}
public void SaveChanges()
{
_imageDataProvider.Commit();
}