public static async Task <ReturnedSaveFuncInfo> BackupDbAsync(string connectionString, ENSource Source, string path = "", Guid?Guid = null, CancellationToken token = default)
{
var line = 0;
var res = new ReturnedSaveFuncInfo();
bool IsAutomatic = string.IsNullOrEmpty(path);
string DatabaseName = "";
try
{
OnCreateBackup?.Invoke(null, new CreateBackupArgs()
{
Message = "", State = CreateBackupState.Start
});
token.ThrowIfCancellationRequested();
DeleteTempFilesToken?.Cancel();
if (IsAutomatic)
{
path = CreateFileName(connectionString);
}
if (!string.IsNullOrEmpty(path) && Directory.Exists(path))
{
//در نرم افزار حسابداری آدرس پوشه پشتیبان گیری اتوماتیک داده شده است
//باید فایل پشتیبان در این پوشه ایجاد گردد
path = CreateFileName(connectionString, path);
IsAutomatic = true;
}
DeleteTempFilesToken?.Cancel();
token.ThrowIfCancellationRequested();
//تهیه اولین نسخه بکاپ توسط سرویس اس کیو ال
var CreateSqlBackuResult = await CreateSqlServerBackupFileAsync(path, connectionString);
DatabaseName = CreateSqlBackuResult.value;
res.AddReturnedValue(CreateSqlBackuResult);
DeleteTempFilesToken?.Cancel();
token.ThrowIfCancellationRequested();
var PathForZipDirectory = Zip.Move2Temp(path);
res.AddReturnedValue(PathForZipDirectory);
DeleteTempFilesToken?.Cancel();
token.ThrowIfCancellationRequested();
try
{
//please dont remove this try
//اگر به خطا خورد باید تابع ادامه پیدا کند و پشتیبان با پسوند .بک تهیه شود
res.AddReturnedValue(await CompressFile.CompressFileInstance.CompressFileAsync(PathForZipDirectory.value, path, token));
}
catch (Exception ex)
{
WebErrorLog.ErrorInstence.StartErrorLog(ex);
res.AddReturnedValue(ex);
}
res.value = path.ToLower().Replace(".npz2", ".np").Replace(".npz", ".np").Replace(".np", ".npz2");
//بنا به هر دلیلی امکان فشرده کردن فایل وجود نداشته است
//باید همان بکاپ فشرده نشده به آدرس مقصد درخواستی مشتری متقل گردد
if (res.HasError)
{
var file = Directory.GetFiles(PathForZipDirectory.value).FirstOrDefault();
File.Move(file, path.ToLower().Replace(".npz2", ".np").Replace(".npz", ".np"));
}
OnCreateBackup?.Invoke(null,
new CreateBackupArgs()
{
Message = "", State = CreateBackupState.End
});
}
catch (OperationCanceledException ex)
{
res.AddReturnedValue(ex);
}
catch (Exception ex)
{
WebErrorLog.ErrorInstence.StartErrorLog(ex, $"Error in Line {line}");
res.AddReturnedValue(ex);
}
finally
{
DeleteTempFilesToken?.Cancel();
DeleteTempFilesToken = new CancellationTokenSource();
Task.Run(() => deleteTempsAsync(DeleteTempFilesToken.Token));
Task.Run(() => BackupHistory.DeleteOldBackupsAsync());
Task.Run(() => BackupHistory.SaveAsync(new BackupHistory()
{
Date = DateTime.Now,
Guid = Guid ?? System.Guid.NewGuid(),
IsAutomatic = IsAutomatic,
DatabaseName = DatabaseName,
Path = path,
IsSuccess = !res.HasError,
Source = Source
}));
}
return(res);
}
public static async Task <ReturnedSaveFuncInfo> ReStoreDbAsync(string connectionString, string pathf, bool autoBackup, ENSource Source)
{
var ret = new ReturnedSaveFuncInfo();
var cn = new SqlConnection();
try
{
GC.Collect();
SqlConnection.ClearAllPools();
if (autoBackup)
{
var dir = Application.StartupPath + "\\NovinPardazBackUp";
if (!Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
}
var file = Path.GetFileName(System.Reflection.Assembly.GetEntryAssembly()?.Location)?.Replace(".exe", "__");
var d = Calendar.MiladiToShamsi(DateTime.Now).Replace("/", "_");
d += "__" + DateTime.Now.Hour + " - " + DateTime.Now.Minute;
file += d;
var filepath = dir + "\\" + file + ".Bak";
ret.AddReturnedValue(await BackupDbAsync(connectionString, Source, filepath, Guid.NewGuid()));
}
if (pathf.EndsWith(".NPZ") || pathf.EndsWith(".npz"))
{
var zp = new Zip();
pathf = zp.ExtractTempDIR(pathf);
}
else if (pathf.EndsWith(".NPZ2") || pathf.EndsWith(".npz2"))
{
try
{
var zp = new CompressFile();
var res = await zp.ExtractTempDIR(pathf);
ret.AddReturnedValue(res);
if (res.HasError)
{
return(ret);
}
pathf = res.value;
}
catch
{
var zp = new Zip();
pathf = zp.ExtractTempDIR(pathf);
}
}
var csb = new SqlConnectionStringBuilder(connectionString);
var serverConnectionString =
connectionString.Replace("Initial Catalog=" + csb.InitialCatalog, "Initial Catalog=");
cn = new SqlConnection(serverConnectionString)
{
ConnectionString = serverConnectionString
};
var cmd = new SqlCommand("RESTORE DATABASE [dbName] FROM DISK = N'bkPath' WITH FILE = 1, MOVE N'novin' TO N'dbMDFPath', MOVE N'novin_log' TO N'dbLDFPath', NOUNLOAD, REPLACE, STATS = 5", cn);
var dbInfo = new CLSServerDBs(connectionString);
var backUpInfo = new DataBaseBackUpInfo(pathf, cn.ConnectionString);
cmd.CommandText = cmd.CommandText.Replace("dbName", csb.InitialCatalog);
cmd.CommandText = cmd.CommandText.Replace("bkPath", pathf);
cmd.CommandText = cmd.CommandText.Replace("novin", backUpInfo.LogicalName);
cmd.CommandText = cmd.CommandText.Replace("novin_log", backUpInfo.LogicalName + "_log.ldf");
cmd.CommandText = cmd.CommandText.Replace("dbMDFPath", dbInfo.FileName);
cmd.CommandText =
cmd.CommandText.Replace("dbLDFPath", dbInfo.FileName.ToLower().Replace(".mdf", "_log.Ldf"));
//تایم اوت بالا بردن مجاز است
cmd.CommandTimeout = 5 * 60 * 1000;//5 minutes
cn.Open();
var temp = cmd.CommandText;
cmd.CommandText = "ALTER DATABASE [" + csb.InitialCatalog + "] SET SINGLE_USER WITH ROLLBACK IMMEDIATE";
cmd.ExecuteNonQuery();
cmd.CommandText = temp;
cmd.ExecuteNonQuery();
// cmd.CommandText = NovinPardaz.Properties.Resources.DatabaseSettings;
cmd.CommandText = cmd.CommandText.Replace("dbName", csb.InitialCatalog);
cmd.ExecuteNonQuery();
cmd.CommandText = "ALTER DATABASE [" + csb.InitialCatalog + "] SET Multi_USER";
cmd.ExecuteNonQuery();
cn.Close();
SqlConnection.ClearAllPools();
Application.DoEvents();
}
catch (SqlException ex)
{
WebErrorLog.ErrorInstence.StartErrorLog(ex);
try { cn.Close(); } catch { }
ret.AddReturnedValue(ReturnedState.Error, $"حساب کاربری SQL دسترسی به مسیر نصب برنامه ندارد\r\n{ex.Message }//{ex?.InnerException?.Message ?? ""}");
}
catch (Exception ex)
{
WebErrorLog.ErrorInstence.StartErrorLog(ex);
try { cn.Close(); } catch { }
ret.AddReturnedValue(ex);
}
Task.Run(() => SetMultiUser(connectionString));
return(ret);
}
