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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.Core;
using Tango.PPC.Common.Application;
using Tango.PPC.Common.BackupRestore;
using Tango.Core.ExtensionMethods;
using Tango.Core.DI;
using Tango.PPC.Common.Connection;
using System.IO;
using Tango.Core.Helpers;
using Tango.BL;
using Tango.Settings;
using Tango.Core.DB;
using System.Data.SqlClient;
namespace Tango.PPC.UI.BackupRestore
{
public class DefaultBackupManager : ExtendedObject, IBackupManager
{
private const string BACKUP_FILE_NAME = "Backup.json";
private const string DATABASE_FILE_NAME = "Tango.bak";
[TangoInject(TangoInjectMode.WhenAvailable)]
private IPPCApplicationManager _applicationManager;
[TangoInject(TangoInjectMode.WhenAvailable)]
private IMachineProvider _machineProvider;
public DefaultBackupManager()
{
TangoIOC.Default.Inject(this);
}
public event EventHandler<BackupRestoreProgressEventArgs> Progress;
public Task CreateBackup(string filePath, String name, BackupSettings settings)
{
return Task.Factory.StartNew(() =>
{
try
{
LogManager.Log($"Starting backup operation to file {filePath}.");
LogManager.Log($"Backup settings:\n{settings.ToJsonString()}");
OnProgress(BackupRestoreStage.Initializing);
var tempFolder = TemporaryManager.CreateFolder();
LogManager.Log($"Temporary folder created on {tempFolder.Path}.");
BackupFile backupFile = new BackupFile();
backupFile.Date = DateTime.Now;
backupFile.Settings = settings;
backupFile.Name = name;
backupFile.MachineSerialNumber = _machineProvider.Machine.SerialNumber;
backupFile.ApplicationVersion = _applicationManager.Version.ToString();
try
{
LogManager.Log("Extracting firmware version from local tfp package...");
using (var st = File.OpenRead(Path.Combine(AssemblyHelper.GetCurrentAssemblyFolder(), "firmware_package.tfp")))
{
backupFile.FirmwareVersion = _machineProvider.MachineOperator.GetFirmwarePackageInfo(st).Result.FileDescriptors.SingleOrDefault(x => x.Destination == PMR.FirmwareUpgrade.VersionFileDestination.Mcu).Version;
}
}
catch (Exception ex)
{
throw new FileLoadException("Could extract the firmware version from the TFP package.", ex);
}
LogManager.Log($"Backup file generated:\n{backupFile.ToJsonString()}");
if (settings.Mode == BackupMode.Jobs)
{
LogManager.Log("Starting jobs backup...");
OnProgress(BackupRestoreStage.BackingupJobs);
using (ObservablesContext db = ObservablesContext.CreateDefault())
{
var jobs = db.Jobs.ToList();
foreach (var job in jobs)
{
try
{
LogManager.Log($"Backing up job '{job.Name}'...");
var jobFile = job.ToJobFile().Result;
backupFile.JobFiles.Add(jobFile);
OnProgress(BackupRestoreStage.BackingupJobs, jobs.IndexOf(job) + 1, jobs.Count, false);
}
catch (Exception ex)
{
throw new InvalidOperationException($"Error extracting job {job.Name}.", ex);
}
}
}
LogManager.Log("Jobs backup completed.");
}
else
{
LogManager.Log("Backing up application settings...");
OnProgress(BackupRestoreStage.BackingupSettings);
backupFile.SettingsFile = File.ReadAllText(SettingsManager.Default.FilePath);
LogManager.Log("Backing up application files...");
OnProgress(BackupRestoreStage.BackingupApplication);
var files = Directory.GetFiles(AssemblyHelper.GetCurrentAssemblyFolder()).Where(x => Path.GetFileName(x) != BACKUP_FILE_NAME).ToList();
foreach (var file in files)
{
try
{
LogManager.Log($"Copying file '{Path.GetFileName(file)}'...");
File.Copy(file, Path.Combine(tempFolder, Path.GetFileName(file)));
OnProgress(BackupRestoreStage.BackingupApplication, files.IndexOf(file) + 1, files.Count, false);
}
catch (Exception ex)
{
throw new IOException($"Could not copy file '{file}'.", ex);
}
}
LogManager.Log("Backing up database...");
OnProgress(BackupRestoreStage.BackingupDatabase);
try
{
var dataSource = ObservablesContext.GetActualDataSource();
using (var dbManager = DbManager.FromDataSource(dataSource))
{
dbManager.Backup(dataSource.Catalog, Path.Combine(tempFolder, DATABASE_FILE_NAME));
}
}
catch (Exception ex)
{
throw new IOException("Error creating database backup", ex);
}
LogManager.Log("Database backup completed.");
}
try
{
OnProgress(BackupRestoreStage.WritingSettings);
var backupFilePath = Path.Combine(tempFolder, BACKUP_FILE_NAME);
LogManager.Log($"Writing backup configuration file '{backupFilePath}'...");
File.WriteAllText(backupFilePath, backupFile.ToJsonString());
}
catch (Exception ex)
{
throw new IOException("Error writing backup configuration file.", ex);
}
//using (ZipFile zip = new ZipFile())
//{
//}
}
catch (Exception ex)
{
LogManager.Log(ex, "Could not complete the backup operation.");
throw ex;
}
});
}
public Task Restore(string filePath)
{
throw new NotImplementedException();
}
protected virtual void OnProgress(BackupRestoreStage stage, double progress = 0, double maxProgress = 100, bool isIntermediate = true)
{
Progress?.Invoke(this, new BackupRestoreProgressEventArgs()
{
Stage = stage,
Progress = progress,
MaxProgress = maxProgress,
IsIntermediate = isIntermediate,
});
}
}
}
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