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using LiteDB;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Tango.Telemetry
{
public class TelemetryLiteDbPendingStorageManager : ITelemetryPendingStorageManager
{
private bool _disposed;
private LiteDatabase _database;
public String DatabasePath { get; private set; }
public TelemetryLiteDbPendingStorageManager()
{
DatabasePath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "Twine", "Tango", "Telemetry", Path.GetFileNameWithoutExtension(AppDomain.CurrentDomain.FriendlyName) + ".telemetry");
Directory.CreateDirectory(Path.GetDirectoryName(DatabasePath));
_database = new LiteDatabase($"Filename={DatabasePath}");
_database.Pragma("TIMEOUT", 10); //Read Timeout
_database.Pragma("UTC_DATE", true); //Keep time as UTC when getting data
_database.Commit();
}
public virtual void Dispose()
{
if (_database != null)
{
try
{
_disposed = true;
_database.Dispose();
_database = null;
}
catch { }
}
}
~TelemetryLiteDbPendingStorageManager()
{
Dispose();
}
private ILiteCollection<T> GetCollection<T>() where T : ITelemetry
{
return _database.GetCollection<T>();
}
public void InsertOrUpdateTelemetryObject<T>(T telemetry) where T : ITelemetry
{
var collection = GetCollection<T>();
collection.Upsert(telemetry);
}
public void DeleteTelemetryObject<T>(T telemetry) where T : ITelemetry
{
var collection = GetCollection<T>();
collection.Delete(telemetry.Id);
}
public List<ITelemetry> GetTelemetryAll()
{
var names = _database.GetCollectionNames();
List<ITelemetry> telemetryAll = new List<ITelemetry>();
foreach (var name in names)
{
var collection = _database.GetCollection<ITelemetry>(name);
telemetryAll.AddRange(collection.FindAll().ToList());
}
return telemetryAll.OrderBy(x => x.Time).ToList();
}
}
}
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