/// <summary>
/// Restores the records from the snapshot.
/// </summary>
/// <param name="snapshot">A snapshot to restore.</param>
/// <returns>Number of imported records.</returns>
public int Restore(IFileCabinetServiceSnapshot snapshot)
{
if (snapshot == null)
{
throw new ArgumentNullException($"Snapshot is invalid.");
}
int recordsImported = 0;
foreach (var record in snapshot.Records)
{
string exceptionMessage = this.validator.Validate(record);
if (exceptionMessage == null)
{
if (this.ids.Contains(record.Id))
{
this.EditRecord(record);
recordsImported++;
}
else
{
this.AddRecord(record);
recordsImported++;
}
}
else
{
Console.WriteLine("#" + record.Id + " record is invalid.");
}
}
return(recordsImported);
}
/// <summary>
/// Adds timing count for Restore method.
/// </summary>
/// <param name="snapshot">A snapshot of records to restore.</param>
/// <returns>Number of imported records.</returns>
public int Restore(IFileCabinetServiceSnapshot snapshot)
{
this.watch = Stopwatch.StartNew();
int imported = this.service.Restore(snapshot);
this.watch.Stop();
Console.WriteLine($"Restore method execution duration is " + this.watch.ElapsedTicks + " ticks.");
return(imported);
}
/// <summary>
/// Adds logs about Restore method in the textfile.
/// </summary>
/// <param name="snapshot">Snapshot to restore by.</param>
/// <returns>Number of imported records.</returns>
public int Restore(IFileCabinetServiceSnapshot snapshot)
{
string toWrite = DateTime.Now.ToString("MM/dd/yyyy hh:mm", CultureInfo.InvariantCulture) + " Calling Restore()\n";
this.writer.Write(toWrite);
int importedRecords = this.service.Restore(snapshot);
toWrite = DateTime.Now.ToString("MM/dd/yyyy hh:mm", CultureInfo.InvariantCulture) + " Restore() imported " + importedRecords + "records\n";
this.writer.Write(toWrite);
return(importedRecords);
}
/// <summary>
/// Exports the records to csv or xml format.
/// </summary>
/// <param name="parameters">Format to write in and path to write to.</param>
private void Export(string parameters)
{
string[] args = parameters.Split();
if (args == null || args.Length < 2)
{
Console.WriteLine("Incorrect parameters.");
return;
}
string format = args[0].ToLower();
string path = args[1];
if (File.Exists(path))
{
Console.WriteLine("File is exist - rewrite " + path + "? [Y/n]");
if (Console.ReadLine().ToLower() != "y")
{
return;
}
}
using (StreamWriter writer = new StreamWriter(path))
{
IFileCabinetServiceSnapshot snapshot = this.Service.MakeSnapshot();
bool isSucceed = false;
switch (format)
{
case "csv":
isSucceed = snapshot.SaveToCsv(writer);
break;
case "xml":
isSucceed = snapshot.SaveToXml(writer);
break;
default:
Console.WriteLine("Incorrect format: can be xml or csv.");
return;
}
if (!isSucceed)
{
Console.WriteLine("Export failed: can't open file " + path);
}
else
{
Console.WriteLine("All records are exported to file " + path);
}
}
}
