private void LoadImage(VM_EventLogRecord eventLogRecord, String dir)
{
String snapshotFile = System.IO.Path.Combine(dir, $"{eventLogRecord.EventId}.json");
if (File.Exists(snapshotFile))
{
using (StreamReader file = File.OpenText(snapshotFile))
{
JsonSerializer serializer = new JsonSerializer();
Snapshot eventImg = (Snapshot)serializer.Deserialize(file, typeof(Snapshot));
eventLogRecord.EventSnapshotId = eventImg.Id;
}
return;
}
;
Snapshot snapshot = null;
var response = Client.GetSnapshot(logId: eventLogRecord.EventId)?.Items;
if (response == null || response.Count == 0)
{
snapshot = new Snapshot
{
Date = eventLogRecord.EventTime,
EventLogRecordId = eventLogRecord.EventId,
File = null,
Id = 0,
MimeType = null,
Name = null
};
eventLogRecord.EventSnapshotId = snapshot.Id;
}
else
{
eventLogRecord.EventSnapshotId = -1;
snapshot = response.First();
snapshot.EventLogRecordId = eventLogRecord.EventId;
}
using (StreamWriter stream = File.CreateText(snapshotFile))
{
JsonSerializer serializer = JsonSerializer.Create(new JsonSerializerSettings()
{
Formatting = Formatting.Indented, NullValueHandling = NullValueHandling.Ignore
});
serializer.Serialize(stream, snapshot);
}
}
private void Part_DataGrid_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
Part_EventSnapshotImg.Source = null;
Part_EventSnapshotImg.Visibility = Visibility.Collapsed;
Part_ImagePlaceholderLbl.Visibility = Visibility.Visible;
VM_EventLogRecord selectedRecord = Part_DataGrid.SelectedItem as VM_EventLogRecord;
if (selectedRecord == null)
{
return;
}
String pathToImageFile = System.IO.Path.Combine(AppConfig.FolderPathOf.RootStorageFolder, AppConfig.FolderPathOf.SnapshotsFolder, $"{selectedRecord.EventId}.json");
if (File.Exists(pathToImageFile))
{
Snapshot eventSnapshot = null;
using (StreamReader file = File.OpenText(pathToImageFile))
{
JsonSerializer serializer = new JsonSerializer();
eventSnapshot = (Snapshot)serializer.Deserialize(file, typeof(Snapshot));
}
String imageInBase64 = eventSnapshot.File;
if (String.IsNullOrEmpty(imageInBase64))
{
return;
}
using (MemoryStream stream = FromBase64(imageInBase64))
{
BitmapImage img = ToBitmapImage(stream);
Part_EventSnapshotImg.Source = img;
if (LargeSnapshotWindow != null)
{
LargeSnapshotWindow.Part_SnapshotImg.Source = img;
}
}
}
Part_EventSnapshotImg.Visibility = Visibility.Visible;
Part_ImagePlaceholderLbl.Visibility = Visibility.Collapsed;
}
