/// <summary>
/// Saves data to specified place using <paramref name="saver"/> interface.
/// </summary>
/// <param name="saveFromFile">Specified file with data.</param>
/// <param name="saver">Interaface for saving.</param>
/// <exception cref="ArgumentNullException">Throws when <paramref name="saveFromFile"/>, <paramref name="saver"/> or ProccesInfo event is null.</exception>
/// <exception cref="Exception">Throws when some exeptions occurs.</exception>
public void SaveData(string saveFromFile, IDataSaver saver)
{
if (saveFromFile is null)
{
throw new ArgumentNullException(String.Format("{0} can't be null.", saveFromFile));
}
if (saver is null)
{
throw new ArgumentNullException(String.Format("{0} can't be null.", saver));
}
if (ProcessInfo is null)
{
throw new ArgumentNullException(String.Format("You must be subscribed on event {0}.", ProcessInfo));
}
int currentLineNumber = 0;
int totalLinesCount = 0;
try
{
using (StreamReader reader = new StreamReader(saveFromFile))
{
while (reader.ReadLine() != null)
{
totalLinesCount++;
}
}
using (StreamReader reader = new StreamReader(saveFromFile, Encoding.Default))
{
string currentLine = null;
while ((currentLine = reader.ReadLine()) != null)
{
currentLineNumber++;
saver.SaveRow(RowRepresentation.ParseToRowRepresentation(currentLine));
ProcessInfo?.Invoke(currentLineNumber, totalLinesCount - currentLineNumber);
}
}
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
/// <summary>
/// Parses string row to the RowRepresentation.
/// </summary>
/// <param name="row">Specified row.</param>
/// <returns>Parsed result.</returns>
public static RowRepresentation ParseToRowRepresentation(string row)
{
RowRepresentation rowRepresentation = new RowRepresentation();
string[] values = row.Split(new string[] { "||" }, StringSplitOptions.RemoveEmptyEntries);
rowRepresentation.Date = DateTime.Parse(values[0]);
rowRepresentation.LatinSequence = values[1];
rowRepresentation.CyrillicSequence = values[2];
rowRepresentation.IntegerNumber = Int32.Parse(values[3]);
rowRepresentation.FloatNumber = float.Parse(values[4]);
return(rowRepresentation);
}
