Michał Tymejczyk MichaelStett

## RecordInput.cs
public class RecordInput
{
    public string FullName { get; set; }
    public string Action { get; set; }
    public DateTime Time { get; set; }

    public void Deconstruct(out string name, out string action, out DateTime time)
        => (name, action, time) = (FullName, Action, Time);

    public override string ToString()

## Program-1.cs
static void Main(string[] args)
{
    ArgsValidation.Run(args);

    var inputFile = args[0];
    var attendanceFile = args[1];

    var lectureNumber = int.Parse(args[2]);

    var startTime = args[3];

## Program-2.cs
// Reading meeting file
var CsvInputRecords = CsvHelperExtension.GetInputRecords(inputFile);

var usersWithDates = new Dictionary<string, List<DateTime>>();

foreach (var (name, _, time) in CsvInputRecords)
{
    if (usersWithDates.ContainsKey(name))
        usersWithDates[name].Add(time);
    else

## RecordOutput.cs
public class RecordOutput
{
    public string FullName { get; set; }
    public int AttendanceCount { get; set; }
    public string AttendanceLength { get; set; }
}

public class RecordOutputMap : ClassMap<RecordOutput>
{
    public RecordOutputMap()

## CsvHelperExtension-2.cs
public static List<RecordOutput> GetOutputRecords(string file)
{
    using var reader = new StreamReader(file, Encoding.UTF8);

    using var csv = new CsvReader(reader, CultureInfo.InvariantCulture);

    csv.Configuration.RegisterClassMap<RecordOutputMap>();

    var records = csv.GetRecords<RecordOutput>();

## CsvHelperExtension-3.cs
public static void PostOutputRecords(string file, List<RecordOutput> records)
{
    using var writer = new StreamWriter(file, false, Encoding.UTF8);

    using var csv = new CsvWriter(writer, CultureInfo.InvariantCulture);

    csv.WriteRecords(records);
}

## Program-3.cs
// Reading last attendance file
var LastAttendanceRecords = CsvHelperExtension.GetOutputRecords(attendanceFile);

var CsvOutputRecords = usersWithMinutes.Select(x =>
{
    var fullName = string.Join(" ", x.Key.Split(' ').Reverse()).Trim();

    var lastRecord = LastAttendanceRecords.FirstOrDefault(f => f.FullName == fullName);

    var count = lastRecord?.AttendanceCount ?? 0;

## Program-4.cs
// Writing updated attendance to new file
CsvHelperExtension.PostOutputRecords(OUTPUT_FILE, CsvOutputRecords.OrderBy(r => r.FullName).ToList());

WriteLine($"Created new file {OUTPUT_FILE}.");

## index.html
<!doctype html>
<html lang="en">
    <head>
        <title>Todo List</title>
        <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
        <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.1/css/all.min.css" integrity="sha512-+4zCK9k+qNFUR5X+cKL9EIR+ZOhtIloNl9GIKS57V1MyNsYpYcUrUeQc9vNfzsWfV28IaLL3i96P9sdNyeRssA==" crossorigin="anonymous" />
        <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">
        <script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
        <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js" integrity="sha384-ZMP7rVo3mIykV+2+9J3UJ46jBk0WLaUAdn689aCwoqbBJiSnjAK/l8WvCWPIPm49" crossorigin="an

## CsvHelperExtension.cs
public static List<RecordInput> GetInputRecords(string file)
{
    using var reader = new StreamReader(file, Encoding.UTF8);

    using var csv = new CsvReader(reader, CultureInfo.InvariantCulture);

    csv.Configuration.RegisterClassMap<RecordInputMap>();

    var records = csv.GetRecords<RecordInput>();
	public class RecordInput
	{
	public string FullName { get; set; }
	public string Action { get; set; }
	public DateTime Time { get; set; }

	public void Deconstruct(out string name, out string action, out DateTime time)
	=> (name, action, time) = (FullName, Action, Time);

	public override string ToString()
	static void Main(string[] args)
	{
	ArgsValidation.Run(args);

	var inputFile = args[0];
	var attendanceFile = args[1];

	var lectureNumber = int.Parse(args[2]);

	var startTime = args[3];
	// Reading meeting file
	var CsvInputRecords = CsvHelperExtension.GetInputRecords(inputFile);

	var usersWithDates = new Dictionary<string, List<DateTime>>();

	foreach (var (name, _, time) in CsvInputRecords)
	{
	if (usersWithDates.ContainsKey(name))
	usersWithDates[name].Add(time);
	else
	public class RecordOutput
	{
	public string FullName { get; set; }
	public int AttendanceCount { get; set; }
	public string AttendanceLength { get; set; }
	}

	public class RecordOutputMap : ClassMap<RecordOutput>
	{
	public RecordOutputMap()
	public static List<RecordOutput> GetOutputRecords(string file)
	{
	using var reader = new StreamReader(file, Encoding.UTF8);

	using var csv = new CsvReader(reader, CultureInfo.InvariantCulture);

	csv.Configuration.RegisterClassMap<RecordOutputMap>();

	var records = csv.GetRecords<RecordOutput>();
	public static void PostOutputRecords(string file, List<RecordOutput> records)
	{
	using var writer = new StreamWriter(file, false, Encoding.UTF8);

	using var csv = new CsvWriter(writer, CultureInfo.InvariantCulture);

	csv.WriteRecords(records);
	}
	// Reading last attendance file
	var LastAttendanceRecords = CsvHelperExtension.GetOutputRecords(attendanceFile);

	var CsvOutputRecords = usersWithMinutes.Select(x =>
	{
	var fullName = string.Join(" ", x.Key.Split(' ').Reverse()).Trim();

	var lastRecord = LastAttendanceRecords.FirstOrDefault(f => f.FullName == fullName);

	var count = lastRecord?.AttendanceCount ?? 0;
	// Writing updated attendance to new file
	CsvHelperExtension.PostOutputRecords(OUTPUT_FILE, CsvOutputRecords.OrderBy(r => r.FullName).ToList());

	WriteLine($"Created new file {OUTPUT_FILE}.");
	<!doctype html>
	<html lang="en">
	<head>
	<title>Todo List</title>
	<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
	<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.1/css/all.min.css" integrity="sha512-+4zCK9k+qNFUR5X+cKL9EIR+ZOhtIloNl9GIKS57V1MyNsYpYcUrUeQc9vNfzsWfV28IaLL3i96P9sdNyeRssA==" crossorigin="anonymous" />
	<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">
	<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js" integrity="sha384-ZMP7rVo3mIykV+2+9J3UJ46jBk0WLaUAdn689aCwoqbBJiSnjAK/l8WvCWPIPm49" crossorigin="an
	public static List<RecordInput> GetInputRecords(string file)
	{
	using var reader = new StreamReader(file, Encoding.UTF8);

	using var csv = new CsvReader(reader, CultureInfo.InvariantCulture);

	csv.Configuration.RegisterClassMap<RecordInputMap>();

	var records = csv.GetRecords<RecordInput>();