public override void Execute()
{
if (this.Data.Length != 1)
{
throw new InvalidCommandException(this.Input);
}
this.Repository.UnloadData();
OutputWriter.WriteMessageNewLine("Database Droped!");
}
public void GetAllStudentsFromCourse(string courseName)
{
if (IsQueryForCoursePossible(courseName))
{
OutputWriter.WriteMessageNewLine($"{courseName}");
foreach (var studentMarksEntry in this.courses[courseName].StudentByName)
{
this.GetStudentScoreFromCourse(courseName, studentMarksEntry.Key);
}
}
}
private string[] GetLinesWithPossibleMismatches(
string[] actualOutputLines, string[] expectedOutputLines, out bool hasMismatch)
{
hasMismatch = false;
string output = string.Empty;
string[] mismatches = new string[actualOutputLines.Length];
OutputWriter.WriteMessageNewLine("Comparing files...");
int minOutputLines = actualOutputLines.Length;
if (actualOutputLines.Length != expectedOutputLines.Length)
{
hasMismatch = true;
minOutputLines = Math.Min(actualOutputLines.Length, expectedOutputLines.Length);
OutputWriter.DisplayExpetion(ExceptionMessages.ComparisonOfFilesWithDifferentSizes);
}
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 {0} -- expected: \"{1}\", actual :\"{2}\"", index, expectedLine, actualLine);
output += Environment.NewLine;
hasMismatch = true;
}
else
{
output = actualLine;
output += Environment.NewLine;
}
mismatches[index] = output;
}
return(mismatches);
}
public void TraverseDirectory(int depth)
{
OutputWriter.WriteEmptyLine();
int initialIdentitation = SessionData.currentPath.Split('\\').Length;
Queue <string> subFolder = new Queue <string>();
subFolder.Enqueue(SessionData.currentPath);
while (subFolder.Count != 0)
{
string currentPath = subFolder.Dequeue();
int indentation = currentPath.Split('\\').Length - initialIdentitation;
if (depth - indentation < 0)
{
break;
}
try
{
foreach (var file in Directory.GetFiles(currentPath))
{
int indexOfLastSlash = file.LastIndexOf("\\");
string fileName = file.Substring(indexOfLastSlash);
OutputWriter.WriteMessageNewLine(new string('-', indexOfLastSlash) + fileName);
}
foreach (var directoryPath in Directory.GetDirectories(currentPath))
{
subFolder.Enqueue(directoryPath);
}
OutputWriter.WriteMessageNewLine(string.Format("{0}{1}", new string('-', indentation), currentPath));
}
catch (UnauthorizedAccessException)
{
OutputWriter.DisplayExpetion(ExceptionMessages.UnauthorizedAccessExeptionMessage);
}
}
}
private void PrintOutput(string[] mismatches, bool hasMismatch, string mismatchPath)
{
if (hasMismatch)
{
foreach (var line in mismatches)
{
OutputWriter.WriteMessageNewLine(line);
}
try
{
File.WriteAllLines(mismatchPath, mismatches);
}
catch (DirectoryNotFoundException)
{
throw new InvalidPathException();
}
return;
}
OutputWriter.WriteMessageNewLine("Files are identical. There are no mismatches.");
}
public void CompareContent(string userOutputPath, string expectedOutputPath)
{
try
{
OutputWriter.WriteMessageNewLine("Reading files...");
string mismatchPath = GetMismatchPath(expectedOutputPath);
string[] actualOutputLines = File.ReadAllLines(userOutputPath);
string[] expectedOutputLines = File.ReadAllLines(expectedOutputPath);
bool hasMismatch;
string[] mistmatches = GetLinesWithPossibleMismatches(actualOutputLines, expectedOutputLines, out hasMismatch);
PrintOutput(mistmatches, hasMismatch, mismatchPath);
OutputWriter.WriteMessageNewLine("Files read!");
}
catch (IOException io)
{
OutputWriter.DisplayExpetion(io.Message);
}
}
private 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-Za-z]+\d{2}_\d{2,4})\s([\s0-9]+)";
Regex rgx = new Regex(pattern);
string[] allInputLines = File.ReadAllLines(path);
for (int line = 0; line < allInputLines.Length; line++)
{
// var
if (!String.IsNullOrEmpty(allInputLines[line]) && rgx.IsMatch(allInputLines[line]))
{
Match currentMatch = rgx.Match(allInputLines[line]);
string courseName = currentMatch.Groups[1].Value;
string username = currentMatch.Groups[2].Value;
string scoresStr = currentMatch.Groups[3].Value;
int[] scores = scoresStr.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries)
.Select(int.Parse)
.ToArray();
try
{
if (scores.Any(x => x > 100 || x < 0))
{
OutputWriter.DisplayExpetion(ExceptionMessages.InvalidScore);
}
if (scores.Length > Course.NumberOfTasksOnExam)
{
throw new InvalidNumberOfScoreException();
}
if (!this.students.ContainsKey(username))
{
this.students.Add(username, new Student(username));
}
if (!this.courses.ContainsKey(courseName))
{
this.courses.Add(courseName, new Course(courseName));
}
Course course = this.courses[courseName];
Student student = this.students[username];
student.EnrollInCourse(course);
student.SetMarkOnCourse(courseName, scores);
course.EnrollStudent(student);
}
catch (Exception fex)
{
OutputWriter.DisplayExpetion(fex.Message + $"at line : {line}");
}
}
}
}
isDataInitialized = true;
OutputWriter.WriteMessageNewLine("Data read!");
}
public static void DisplayStudent(KeyValuePair <string, double> student)
{
OutputWriter.WriteMessageNewLine($"{student.Key} - {student.Value}");
}
