private static void TryParseParametersForFilterAndtake(string takeCommand, string takeQuantity, string courseName, string filter)
{
if (takeCommand == "take")
{
if (takeQuantity == "all")
{
StudentsRepository.FilterAndTake(courseName, filter);
}
else
{
int studentsToTake;
bool isParsed = int.TryParse(takeQuantity, out studentsToTake);
if (isParsed)
{
StudentsRepository.FilterAndTake(courseName, filter, studentsToTake);
}
else
{
OutputWriter.DisplayExeptions(ExceptionMessages.InvalidTakeQuantityParameter);
}
}
}
else
{
OutputWriter.DisplayExeptions(ExceptionMessages.InvalidTakeQuantityParameter);
}
}
private static void TryGetHelp(string input, string[] data)
{
if (data.Length == 1)
{
OutputWriter.WriteMessageOnNewLine($"{new string('_', 124)}");
OutputWriter.WriteMessageOnNewLine(string.Format("|{0, -122}|", "make directory - mkdir: path "));
OutputWriter.WriteMessageOnNewLine(string.Format("|{0, -122}|", "traverse directory - ls: depth "));
OutputWriter.WriteMessageOnNewLine(string.Format("|{0, -122}|", "comparing files - cmp: path1 path2"));
OutputWriter.WriteMessageOnNewLine(string.Format("|{0, -122}|", "change directory - cdRel: relative path or .."));
OutputWriter.WriteMessageOnNewLine(string.Format("|{0, -122}|", "change directory - cdAbs: absolute path"));
OutputWriter.WriteMessageOnNewLine(string.Format("|{0, -122}|", "read students data base - readDb: path"));
OutputWriter.WriteMessageOnNewLine(string.Format("|{0, -122}|", "display data entities - display: students/courses ascending/descending"));
OutputWriter.WriteMessageOnNewLine(string.Format("|{0, -122}|", "filter {courseName} excelent/average/poor take 2/5/all - filterExcelent (the output is written on the console)"));
OutputWriter.WriteMessageOnNewLine(string.Format("|{0, -122}|", "order increasing students - order {courseName} ascending/descending take 20/10/all (the output is written on the console)"));
OutputWriter.WriteMessageOnNewLine(string.Format("|{0, -122}|", "download file - download: path of file (saved in current directory)"));
OutputWriter.WriteMessageOnNewLine(string.Format("|{0, -122}|", "download file asinchronously - downloadAsynch: path of file (save in the current directory)"));
OutputWriter.WriteMessageOnNewLine(string.Format("|{0, -122}|", "get help – help"));
OutputWriter.WriteMessageOnNewLine($"{new string('_', 124)}");
OutputWriter.WriteEmptyLine();
}
else
{
OutputWriter.DisplayExeptions(ExceptionMessages.InvalidCommandMessage(input));
}
}
private static void TryCreateDirectory(string input, string[] data)
{
if (data.Length == 2)
{
string folerName = data[1];
IOManager.CreateDirectoryInCurrentFolder(folerName);
}
else
{
OutputWriter.DisplayExeptions(ExceptionMessages.InvalidCommandMessage(input));
}
}
private static void TryChangePathRelatively(string input, string[] data)
{
if (data.Length == 2)
{
string relPath = data[1];
IOManager.ChangeCurrentDirectoryRelative(relPath);
}
else
{
OutputWriter.DisplayExeptions(ExceptionMessages.InvalidCommandMessage(input));
}
}
private static void TryReadDataBaseFromFile(string input, string[] data)
{
if (data.Length == 2)
{
string fileName = data[1];
StudentsRepository.InitializeData(fileName);
}
else
{
OutputWriter.DisplayExeptions(ExceptionMessages.InvalidCommandMessage(input));
}
}
private static void TryCompareFiles(string input, string[] data)
{
if (data.Length == 3)
{
string firstPath = data[1];
string secondPath = data[2];
Tester.CompareContent(firstPath, secondPath);
}
else
{
OutputWriter.DisplayExeptions(ExceptionMessages.InvalidCommandMessage(input));
}
}
private static void TryOrderAndTake(string input, string[] data)
{
if (data.Length == 5)
{
string courseName = data[1];
string order = data[2].ToLower();
string takeCommand = data[3].ToLower();
string takeQuantiy = data[4].ToLower();
TryParseParametersForOrderAndTake(takeCommand, takeQuantiy, courseName, order);
}
else
{
OutputWriter.DisplayExeptions(ExceptionMessages.InvalidCommandMessage(input));
}
}
private static void TryTraverseFolders(string input, string[] data)
{
if (data.Length == 2)
{
int depth;
bool hasParsed = int.TryParse(data[1], out depth);
if (hasParsed)
{
IOManager.TraverseDirectory(depth);
}
}
else
{
OutputWriter.DisplayExeptions(ExceptionMessages.UnableToParseNumber);
}
}
private static void TryShowWantedData(string input, string[] data)
{
if (data.Length == 2)
{
string courseName = data[1];
StudentsRepository.GetAllStudentsFromCourse(courseName);
}
else if (data.Length == 3)
{
string courseName = data[1];
string studentName = data[2];
StudentsRepository.GetStudentScoresFromCourse(courseName, studentName);
}
else
{
OutputWriter.DisplayExeptions(ExceptionMessages.InvalidCommandMessage(input));
}
}
private static void TryOpenFile(string input, string[] data)
{
try
{
if (data.Length == 2)
{
string fileName = data[1];
Process.Start(SessionData.CurrentPath + "\\" + fileName);
}
else
{
OutputWriter.DisplayExeptions(ExceptionMessages.InvalidCommandMessage(input));
}
}
catch (Exception ex)
{
OutputWriter.DisplayExeptions(ex.Message);
}
}
public static void InterpredCommand(string input)
{
string[] data = input.Split(' ');
string command = data[0].ToLower();
switch (command)
{
case "open":
TryOpenFile(input, data);
break;
case "mkdir":
TryCreateDirectory(input, data);
break;
case "ls":
TryTraverseFolders(input, data);
break;
case "cmp":
TryCompareFiles(input, data);
break;
case "cdrel":
TryChangePathRelatively(input, data);
break;
case "cdabs":
TryChangePathAbsolute(input, data);
break;
case "readdb":
TryReadDataBaseFromFile(input, data);
break;
case "help":
TryGetHelp(input, data);
break;
case "show":
TryShowWantedData(input, data);
break;
case "filter":
TryFilterAndTake(input, data);
break;
case "order":
TryOrderAndTake(input, data);
break;
case "decorder":
//TODO
break;
case "download":
//TODO
break;
case "downloadasync":
//TODO
break;
default:
OutputWriter.DisplayExeptions(ExceptionMessages.InvalidCommandMessage(input));
break;
}
}