public void CheckSortingOrder()
{
const int linesCountProgressToInform = 1000 * 1000 * 5;
Console.WriteLine($"{DateTime.Now}. Started checking of output file for correct sorting.");
int firstLineNumber = 1, secondLineNumber = 1;
using (var fs = new FileStream(_filePathToCheck, FileMode.Open, FileAccess.Read, FileShare.Read))
{
using (var firstLineReader = new StreamReader(fs))
{
bool isWrongSorting = false;
string firstLine = firstLineReader.ReadLine();
string secondLine = null;
while (firstLine != null && (secondLine = firstLineReader.ReadLine()) != null)
{
secondLineNumber = firstLineNumber + 1;
if (!CorrectLinePattern.IsMatch(firstLine))
{
Console.WriteLine($"{DateTime.Now}. Wrong format of first line.");
}
if (!CorrectLinePattern.IsMatch(secondLine))
{
Console.WriteLine($"{DateTime.Now}. Wrong format of second line.");
}
var firstLinePart = SortingManager.LinePreProcessingFunc(firstLine);
var secondLinePart = SortingManager.LinePreProcessingFunc(secondLine);
var result = _standardComparator.Compare(firstLinePart, secondLinePart);
if (result > 0)
{
// it seems that we have problem with sorting
isWrongSorting = true;
Console.WriteLine($"{DateTime.Now}. Lines are in incorrect order.");
Console.WriteLine($"{DateTime.Now}. First line: '{firstLine}'. Line number: {firstLineNumber}");
Console.WriteLine($"{DateTime.Now}. Second line: '{secondLine}'. Line number: {secondLineNumber}");
}
if (secondLineNumber % linesCountProgressToInform == 0)
{
Console.WriteLine($"{DateTime.Now}. Checked {secondLineNumber} lines");
}
firstLine = secondLine;
firstLineNumber = secondLineNumber;
}
if (isWrongSorting)
{
Console.WriteLine($"{DateTime.Now}. Wrong sorting of lines or another problem.");
}
else
{
Console.WriteLine($"{DateTime.Now}. All lines sorted correctly and have correct output format.");
}
}
}
Console.WriteLine($"{DateTime.Now}. Completed checking of output file for correct sorting.");
}
