public static void ChangeCurrentDirectoryAbsolute(string absolutePath)
{
if (!Directory.Exists(absolutePath))
{
OutputWriter.DisplayExeptions(ExceptionMessages.InvalidPath);
return;
}
SessionData.CurrentPath = absolutePath;
}
private static bool IsQueryForStudentPossible(string courseName, string studentUserName)
{
if (IsQueryForCoursePossible(courseName) && studentsByCourse[courseName].ContainsKey(studentUserName))
{
return(true);
}
else
{
OutputWriter.DisplayExeptions(ExceptionMessages.InexistingStudentInDataBase);
}
return(false);
}
public static void CreateDirectoryInCurrentFolder(string folderName)
{
string path = SessionData.CurrentPath + "\\" + folderName;
try
{
Directory.CreateDirectory(path);
}
catch (ArgumentException)
{
OutputWriter.DisplayExeptions(ExceptionMessages.ForbiddenSymbolsContainedInName);
}
}
private static void ReadData(string fileName)
{
string path = SessionData.CurrentPath + "\\" + fileName;
if (File.Exists(path))
{
string pattern = @"([A-Z][A-Za-z+#]*_[A-Z][a-z]{2}_[\d]{4})\s+([A-Z][a-z]{0,3}\d{2}_\d{2,4})\s(\d+)";
Regex rgx = new Regex(pattern);
string[] allInputLines = File.ReadAllLines(path);
for (int line = 0; line < allInputLines.Length; line++)
{
if (!string.IsNullOrEmpty(allInputLines[line]) && rgx.IsMatch(allInputLines[line]))
{
Match currentMatch = rgx.Match(allInputLines[line]);
string course = currentMatch.Groups[1].Value;
string student = currentMatch.Groups[2].Value;
int studentsScoreOnTask;
bool hasParsedScore = int.TryParse(currentMatch.Groups[3].Value, out studentsScoreOnTask);
if (hasParsedScore && studentsScoreOnTask >= 0 && studentsScoreOnTask <= 100)
{
if (!studentsByCourse.ContainsKey(course))
{
studentsByCourse.Add(course, new Dictionary <string, List <int> >());
}
if (!studentsByCourse[course].ContainsKey(student))
{
studentsByCourse[course].Add(student, new List <int>());
}
studentsByCourse[course][student].Add(studentsScoreOnTask);
}
}
}
}
else
{
OutputWriter.DisplayExeptions(ExceptionMessages.InvalidPath);
return;
}
isDataInitialized = true;
OutputWriter.WriteMessageOnNewLine("Data read!");
}
private static bool IsQueryForCoursePossible(string courseName)
{
if (isDataInitialized)
{
if (studentsByCourse.ContainsKey(courseName))
{
return(true);
}
else
{
OutputWriter.DisplayExeptions(ExceptionMessages.InexistingCourseInDataBase);
}
}
else
{
OutputWriter.DisplayExeptions(ExceptionMessages.DataNotInitializedExceptionMessage);
}
return(false);
}
public static void TraverseDirectory(int depth)
{
OutputWriter.WriteEmptyLine();
int initialIdentation = SessionData.CurrentPath.Split('\\').Length;
var subFolders = new Queue <string>();
subFolders.Enqueue(SessionData.CurrentPath);
while (subFolders.Count != 0)
{
string currentPath = subFolders.Dequeue();
int identation = currentPath.Split('\\').Length - initialIdentation;
OutputWriter.WriteMessageOnNewLine(string.Format("{0}{1}", new string('-', identation), currentPath));
try
{
foreach (string directoryPath in Directory.GetDirectories(currentPath))
{
subFolders.Enqueue(directoryPath);
}
//get and write file names for current directory
foreach (var file in Directory.GetFiles(currentPath))
{
var indexOfLastSplash = file.LastIndexOf('\\');
var fileName = file.Substring(indexOfLastSplash);
OutputWriter.WriteMessageOnNewLine(new string('-', indexOfLastSplash) + fileName);
}
}
catch (System.UnauthorizedAccessException)
{
OutputWriter.DisplayExeptions(ExceptionMessages.UnauthorizedAccessException);
}
if (depth - identation < 0)
{
break;
}
}
}
public static void CompareContent(string userOutputPath, string expectedOutputPath)
{
OutputWriter.WriteMessageOnNewLine("Reading files...");
try
{
string mismatchPath = GetMismatchPath(expectedOutputPath);
string[] actualOutputLines = File.ReadAllLines(userOutputPath);
string[] expectedOutputLines = File.ReadAllLines(expectedOutputPath);
bool hasMismatches;
string[] mismatches = GetLineWithPossibleMismatche(actualOutputLines, expectedOutputLines, out hasMismatches);
PrintOutput(mismatches, hasMismatches, mismatchPath);
OutputWriter.WriteMessageOnNewLine("Files read!");
}
catch (FileNotFoundException)
{
OutputWriter.DisplayExeptions(ExceptionMessages.InvalidPath);
}
}
private static string[] GetLineWithPossibleMismatche(string[] actualOutputLines, string[] expectedOutputLines, out bool hasMismatch)
{
hasMismatch = false;
string output = string.Empty;
OutputWriter.WriteMessageOnNewLine("Comparng files...");
int minOutputLines = actualOutputLines.Length;
if (actualOutputLines.Length != expectedOutputLines.Length)
{
hasMismatch = true;
minOutputLines = Math.Min(actualOutputLines.Length, expectedOutputLines.Length);
OutputWriter.DisplayExeptions(ExceptionMessages.ComparisonOfFilesWithDifferentSizes);
}
string[] mismatches = new string[minOutputLines];
for (int index = 0; index < minOutputLines; index++)
{
string actualLine = actualOutputLines[index];
string expectedLine = expectedOutputLines[index];
if (!actualLine.Equals(expectedLine))
{
output = string.Format($"Mismatch at line {index} -- expected: {expectedLine}, actual: {actualLine}");
output += Environment.NewLine;
hasMismatch = true;
}
else
{
output = actualLine;
output += Environment.NewLine;
}
mismatches[index] = output;
}
return(mismatches);
}
private static void PrintOutput(string[] mismatches, bool hasMismatch, string mismatchPath)
{
if (hasMismatch)
{
foreach (var line in mismatches)
{
OutputWriter.WriteMessageOnNewLine(line);
}
try
{
File.WriteAllLines(mismatchPath, mismatches);
}
catch (DirectoryNotFoundException)
{
OutputWriter.DisplayExeptions(ExceptionMessages.InvalidPath);
}
}
else
{
OutputWriter.WriteMessageOnNewLine("Files are identical.There are no mismatches.");
}
}
public static void ChangeCurrentDirectoryRelative(string relativePath)
{
if (relativePath == "..")
{
try
{
string currentPath = SessionData.CurrentPath;
int indexofLastSlash = currentPath.LastIndexOf('\\');
string newPath = currentPath.Substring(0, indexofLastSlash);
SessionData.CurrentPath = newPath;
}
catch (ArgumentOutOfRangeException)
{
OutputWriter.DisplayExeptions(ExceptionMessages.UnableToGoHigherInPartitionHierarchy);
}
}
else
{
string currentPath = SessionData.CurrentPath;
currentPath += "\\" + relativePath;
ChangeCurrentDirectoryAbsolute(currentPath);
}
}