private void ImportFromCSVFile(string filePath)
{
FileCabinetServiceSnapshot snapshot = new FileCabinetServiceSnapshot();
Dictionary <int, string> exceptions = new Dictionary <int, string>();
List <string> lineExceptions = new List <string>();
int recordsCount = 0;
using (StreamReader reader = new StreamReader(filePath))
{
snapshot.LoadFromCSV(reader, out recordsCount, out lineExceptions);
this.Service.Restore(snapshot, out exceptions);
}
foreach (var lex in lineExceptions)
{
write(lex);
}
foreach (var ex in exceptions)
{
write($"Record #{ex.Key} was not imported.");
}
write($"{recordsCount - exceptions.Count} records were imported from {filePath}.");
}
/// <inheritdoc/>
protected override void Make(AppCommandRequest commandRequest)
{
(string format, string fileName) = CommandHandleBase.SplitParam(commandRequest.Parameters);
if (!File.Exists(fileName))
{
Console.WriteLine($"File \"{fileName}\"is not exist.");
return;
}
FileStream fileStream;
try
{
fileStream = File.OpenRead(fileName);
}
catch (Exception)
{
Console.WriteLine("Can't open file");
return;
}
int count = 0;
var snapshot = new FileCabinetServiceSnapshot();
switch (format)
{
case "csv":
snapshot.LoadFromCSV(fileStream);
count = this.Service.Restore(snapshot);
break;
case "xml":
snapshot.LoadFromXml(fileStream);
count = this.Service.Restore(snapshot);
break;
default:
Console.WriteLine("Format is not supported.");
break;
}
Console.WriteLine($"{count} records were imported from {fileName}.");
}
