private static Form OpenDatabase(string fileName, string password)
{
try
{
return(new MainForm(fileName, password));
}
catch (LiteException ex)
{
if (ex.ErrorCode == LiteException.DATABASE_WRONG_PASSWORD)
{
if (!string.IsNullOrEmpty(password))
{
MessageBox.Show(ex.Message, fileName, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
var passwordForm = new PasswordForm();
return(passwordForm.ShowDialog() != DialogResult.OK
? null
: OpenDatabase(fileName, passwordForm.EnteredPassword));
}
var moreInfo = string.Empty;
switch (ex.ErrorCode)
{
case LiteException.INVALID_DATABASE:
if (DetectIs090(fileName))
{
moreInfo =
@"Databases created by LiteDB v0.9 are not supported for viewing. Consider upgrading the files.";
}
else if (DetectIs104(fileName))
{
moreInfo =
@"Databases created by LiteDB v1 are not supported for viewing. Consider upgrading the files.";
}
break;
case LiteException.INVALID_DATABASE_VERSION:
moreInfo =
@"Databases created by LiteDB v2.0.0-rc are not supported for viewing. Consider upgrading the files.";
break;
}
MessageBox.Show(
ex.Message + (string.IsNullOrEmpty(moreInfo) ? string.Empty : Environment.NewLine + moreInfo),
fileName, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
catch (Exception ex)
{
MessageBox.Show(
@"Selected file is not a valid LiteDB Database file." + Environment.NewLine + ex.Message, fileName,
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
return(null);
}
private static Form OpenDatabase(string fileName, string password, bool upgrade = false)
{
try
{
return(new MainForm(fileName, password, upgrade));
}
catch (LiteException liteException)
{
if (liteException.ErrorCode == LiteException.DATABASE_WRONG_PASSWORD)
{
if (!string.IsNullOrEmpty(password))
{
MessageBox.Show(liteException.Message, fileName, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
var passwordForm = new PasswordForm();
return(passwordForm.ShowDialog() != DialogResult.OK
? null
: OpenDatabase(fileName, passwordForm.EnteredPassword));
}
var moreInfo = string.Empty;
switch (liteException.ErrorCode)
{
case LiteException.INVALID_DATABASE:
if (DetectIs090(fileName))
{
moreInfo =
@"Databases created by LiteDB v0.9 are not supported for viewing. Consider upgrading the files.";
}
else if (DetectIs104(fileName))
{
moreInfo =
@"Databases created by LiteDB v1 are not supported for viewing. Consider upgrading the files.";
}
break;
case LiteException.INVALID_DATABASE_VERSION:
if (!upgrade)
{
moreInfo =
@"Databases created by LiteDB v2.0 are not supported for viewing. Consider upgrading the files. Should we try upgrading the file?";
if (
MessageBox.Show(moreInfo, fileName, MessageBoxButtons.YesNo, MessageBoxIcon.Exclamation,
MessageBoxDefaultButton.Button2) == DialogResult.Yes)
{
var newFileAddress = Path.ChangeExtension(fileName, ".v3" + Path.GetExtension(fileName));
try
{
File.Copy(fileName, newFileAddress, false);
}
catch (Exception copyExceptionex)
{
moreInfo = copyExceptionex.Message + Environment.NewLine +
"Failed to copy the file prior to upgrading.";
MessageBox.Show(moreInfo, fileName, MessageBoxButtons.OK, MessageBoxIcon.Error);
return(null);
}
return(OpenDatabase(newFileAddress, password, true));
}
}
else
{
moreInfo =
@"Databases created by LiteDB v2.0 are not supported for viewing. Consider upgrading the files.";
}
break;
}
MessageBox.Show(
liteException.Message +
(string.IsNullOrEmpty(moreInfo) ? string.Empty : Environment.NewLine + moreInfo),
fileName, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
catch (NotSupportedException notSupportedException)
{
MessageBox.Show(notSupportedException.Message, fileName, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
catch (Exception exception)
{
MessageBox.Show(
@"Selected file is not a valid LiteDB Database file." + Environment.NewLine + exception.Message,
fileName,
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
return(null);
}
