private void Import(string parameters)
{
if (!CommandHandlersExtensions.ImportExportParametersSpliter(parameters, out var fileFormat, out var path, "import"))
{
return;
}
try
{
using (StreamReader stream = new StreamReader(path))
{
if (fileFormat == "csv")
{
this.snapshot = this.CabinetService.MakeSnapshot();
this.snapshot.LoadFromCsv(stream, RecordValidator, Converter, this.modelWriter);
int count = this.CabinetService.Restore(this.snapshot);
this.modelWriter.LineWriter.Invoke($"{count} records were imported from {path}");
}
else if (fileFormat == "xml")
{
this.snapshot = this.CabinetService.MakeSnapshot();
this.xmlValidator.ValidateXml(this.xsdValidatorFile, path);
this.snapshot.LoadFromXml(stream, RecordValidator, this.modelWriter);
int count = this.CabinetService.Restore(this.snapshot);
this.modelWriter.LineWriter.Invoke($"{count} records were imported from {path}");
}
else
{
this.modelWriter.LineWriter.Invoke($"{fileFormat} writer is not found");
}
}
}
catch (IOException ex)
{
this.modelWriter.LineWriter.Invoke(ex.Message);
this.modelWriter.LineWriter.Invoke("File wasn't imported");
}
catch (UnauthorizedAccessException ex)
{
this.modelWriter.LineWriter.Invoke(ex.Message);
this.modelWriter.LineWriter.Invoke("File wasn't imported");
}
catch (ArgumentException ex)
{
this.modelWriter.LineWriter.Invoke(ex.Message);
this.modelWriter.LineWriter.Invoke("File wasn't imported");
}
catch (XmlException ex)
{
this.modelWriter.LineWriter.Invoke(ex.Message);
this.modelWriter.LineWriter.Invoke("File wasn't imported");
}
}
private void Export(string parameters)
{
if (!CommandHandlersExtensions.ImportExportParametersSpliter(parameters, out var fileFormat, out var path, "export"))
{
return;
}
try
{
using (StreamWriter stream = new StreamWriter(path))
{
if (fileFormat == "csv")
{
this.snapshot = this.CabinetService.MakeSnapshot();
this.snapshot.SaveToCsv(stream);
}
else if (fileFormat == "xml")
{
this.snapshot = this.CabinetService.MakeSnapshot();
this.snapshot.SaveToXml(stream);
}
else
{
this.modelWriter.LineWriter.Invoke($"{fileFormat} writer is not found");
return;
}
}
this.modelWriter.LineWriter.Invoke($"File {path} was successfully exported");
}
catch (IOException ex)
{
this.modelWriter.LineWriter.Invoke(ex.Message);
}
catch (UnauthorizedAccessException ex)
{
this.modelWriter.LineWriter.Invoke(ex.Message);
}
}