// assignments courses
private static void ConnectAssignmentsCourses()
{
if (AssignmentList.Count == 0)
{
Console.WriteLine("assignments do not exist\n");
return;
}
else if (CourseList.Count == 0)
{
Console.WriteLine("courses do not exist\n");
return;
}
AssignmentManager.ShowAssignments(false);
CourseManager.ShowCourses(false);
string input;
bool correctInput;
while (true)
{
Console.WriteLine("type the number of assignment and course you want to connect, using -");
Console.WriteLine("for example type '1-2' to connect the first assignment with the second course");
Console.WriteLine("type '0' or 'exit' to leave\n");
input = Console.ReadLine();
if (input.Trim().Equals("0") || input.Trim().Equals("exit"))
{
break;
}
string[] items = input.Split('-');
if (items.Length < 2)
{
Console.WriteLine("arguments missing");
continue;
}
else if (items.Length > 2)
{
Console.WriteLine("too many arguments\n");
continue;
}
correctInput = Int32.TryParse(items[0].Trim(), out int AssignmentCode);
if (!correctInput)
{
Console.WriteLine("wrong assignment attribute\n");
continue;
}
correctInput = Int32.TryParse(items[1].Trim(), out int CourseCode);
if (!correctInput)
{
Console.WriteLine("wrong course attribute\n");
continue;
}
if (AssignmentCode < 1 || AssignmentCode > AssignmentList.Count)
{
Console.WriteLine("assignment number is not valid");
continue;
}
if (CourseCode < 1 || CourseCode > CourseList.Count)
{
Console.WriteLine("course number is not valid");
continue;
}
Assignment a = AssignmentList[AssignmentCode - 1];
Course c = CourseList[CourseCode - 1];
if (a.CourseCodes.Contains(CourseCode - 1) && c.AssignmentCodes.Contains(AssignmentCode - 1))
{
Console.WriteLine("this relation already exists");
continue;
}
a.CourseCodes.Add(CourseCode - 1);
c.AssignmentCodes.Add(AssignmentCode - 1);
Console.WriteLine($"you connected assignment {AssignmentCode}: {a.Title} with course {CourseCode}: {c.Title}\n");
}
}
// assignments student
private static void ConnectAssignmentsStudents()
{
if (AssignmentList.Count == 0)
{
Console.WriteLine("assignments do not exist\n");
return;
}
else if (CourseList.Count == 0)
{
Console.WriteLine("courses do not exist\n");
return;
}
else if (StudentList.Count == 0)
{
Console.WriteLine("students do not exist\n");
return;
}
AssignmentManager.ShowAssignments(false);
CourseManager.ShowCourses(false);
StudentManager.ShowStudents(false);
string input;
bool correctInput;
while (true)
{
Console.WriteLine("type the number of assignment,course and student you want to connect, using -");
Console.WriteLine("for example type '1-2-3' to connect the first assignment with the second course for the third student");
Console.WriteLine("student and assignment must already be connected to course");
Console.WriteLine("type '0' or 'exit' to leave\n");
input = Console.ReadLine();
if (input.Trim().Equals("0") || input.Trim().Equals("exit"))
{
break;
}
string[] items = input.Split('-');
if (items.Length < 3)
{
Console.WriteLine("arguments missing\n");
continue;
}
else if (items.Length > 3)
{
Console.WriteLine("too many arguments\n");
continue;
}
correctInput = Int32.TryParse(items[0].Trim(), out int AssignmentCode);
if (!correctInput)
{
Console.WriteLine("wrong assignment attribute\n");
continue;
}
correctInput = Int32.TryParse(items[1].Trim(), out int CourseCode);
if (!correctInput)
{
Console.WriteLine("wrong course attribute\n");
continue;
}
correctInput = Int32.TryParse(items[2].Trim(), out int StudentCode);
if (!correctInput)
{
Console.WriteLine("wrong student attribute\n");
continue;
}
//check codes are correct
if (CourseCode > CourseList.Count || CourseCode < 1)
{
Console.WriteLine("course number is not valid\n");
continue;
}
else if (AssignmentCode > AssignmentList.Count || AssignmentCode < 1)
{
Console.WriteLine("assignment number is not valid\n");
continue;
}
else if (StudentCode > StudentList.Count || StudentCode < 1)
{
Console.WriteLine("student number is not valid\n");
continue;
}
Course c = CourseList[CourseCode - 1];
Assignment a = AssignmentList[AssignmentCode - 1];
Student s = StudentList[StudentCode - 1];
//check course has assignment
bool CourseHasAssignment = c.AssignmentCodes.Contains(AssignmentCode - 1);
if (!CourseHasAssignment)
{
Console.WriteLine($"Course '{c.Title}' doesn't have assignment '{a.Title}'\n");
continue;
}
//check assignment has course
bool AssignmentHasCourse = a.CourseCodes.Contains(CourseCode - 1);
if (!AssignmentHasCourse)
{
Console.WriteLine($"Assignment '{c.Title}' doesn't belong to course '{c.Title}'\n");
continue;
}
//check course has student
bool CourseHasStudent = c.StudentCodes.Contains(StudentCode - 1);
if (!CourseHasStudent)
{
Console.WriteLine($"Course '{c.Title}' doesn't have student '{s.LastName}'\n");
continue;
}
//check student has course
bool StudentHasCourse = s.CourseCodes.Contains(CourseCode - 1);
if (!StudentHasCourse)
{
Console.WriteLine($"Student '{s.LastName}' doesn't belong to course '{c.Title}'\n");
continue;
}
//add them
if (s.AssignmentCodes.Contains(AssignmentCode - 1) && a.StudentCodes.Contains(StudentCode - 1))
{
Console.WriteLine("this relation already exists\n");
continue;
}
s.AssignmentCodes.Add(AssignmentCode - 1);
a.StudentCodes.Add(StudentCode - 1);
Console.Write($"you connected assignment {AssignmentCode}: '{a.Title}'");
Console.WriteLine($"with course {CourseCode}: '{c.Title}' ");
Console.WriteLine($"for student {StudentCode}: '{s.FirstName} {s.LastName}'\n");
}
}
// trainers courses
private static void ConnectTrainersCourses()
{
if (TrainerList.Count == 0)
{
Console.WriteLine("trainers do not exist\n");
return;
}
else if (CourseList.Count == 0)
{
Console.WriteLine("courses do not exist\n");
return;
}
TrainerManager.ShowTrainers(false);
CourseManager.ShowCourses(false);
string input;
bool correctInput;
while (true)
{
Console.WriteLine("type the number of trainer and course you want to connect, using -");
Console.WriteLine("for example type '1-2' to connect the first trainer with the second course");
Console.WriteLine("type '0' or 'exit' to leave\n");
input = Console.ReadLine();
if (input.Trim().Equals("0") || input.Trim().Equals("exit"))
{
break;
}
string[] items = input.Split('-');
if (items.Length < 2)
{
Console.WriteLine("arguments missing\n");
}
else if (items.Length > 2)
{
Console.WriteLine("too many arguments\n");
continue;
}
correctInput = Int32.TryParse(items[0].Trim(), out int TrainerCode);
if (!correctInput)
{
Console.WriteLine("wrong trainer attribute\n");
continue;
}
correctInput = Int32.TryParse(items[1].Trim(), out int CourseCode);
if (!correctInput)
{
Console.WriteLine("wrong course attribute\n");
continue;
}
if (TrainerCode < 1 || TrainerCode > TrainerList.Count)
{
Console.WriteLine("trainer number is not valid\n");
continue;
}
if (CourseCode < 1 || CourseCode > CourseList.Count)
{
Console.WriteLine("course number is not valid\n");
continue;
}
Trainer t = TrainerList[TrainerCode - 1];
Course c = CourseList[CourseCode - 1];
if (t.CourseCodes.Contains(CourseCode - 1) && c.TrainerCodes.Contains(TrainerCode - 1))
{
Console.WriteLine("this relation already exists\n");
continue;
}
t.CourseCodes.Add(CourseCode - 1);
c.TrainerCodes.Add(TrainerCode - 1);
Console.WriteLine($"you connected trainer {TrainerCode}: {t.FirstName} {t.LastName} with course {CourseCode}: {c.Title}\n");
}
}