public void CoursesMenu()
{
Console.Clear();
Console.WriteLine("Select an option from Courses menu: ");
Console.Write("0.Back to Main Menu\n1.Insert\n2.Display\n3.Exit\n\n------\n>");
int temp = Integer(0, 3);
switch (temp)
{
case 0:
{
MainMenu();
break;
}
case 1:
{
new CourseService().Create();
Console.Write("Press any button to continue...");
Console.ReadKey();
MainMenu();
break;
}
case 2:
{
Console.Clear();
List <Course> courses = new CourseService().GetList();
CourseView courseView = new CourseView();
courseView.Display(courses);
Console.Write("If you want more info about each course please type its id:\nPress 0 to go back\n\n------\n>");
temp = IntegerId <Course>(courses);
if (temp != 0)
{
courses = new CourseService().GetListAnalytic(courses);
}
while (temp != 0)
{
Course course = courses.FirstOrDefault(x => x.CourseId == temp);
courseView.DisplayById(course);
Console.WriteLine("Press any button to continue...");
Console.ReadKey();
Console.Clear();
courseView.Display(courses);
Console.Write("If you want more info about each course please type its id:\nPress 0 to go back\n\n------\n>");
temp = IntegerId <Course>(courses);
}
CoursesMenu();
break;
}
case 3:
{
Console.WriteLine("Are you sure want to close the program? <Y> or <N>?");
if (Console.ReadKey(true).Key == ConsoleKey.Y)
{
Console.WriteLine("\nExiting...\n");
break;
}
else
{
Console.Clear();
CoursesMenu();
break;
}
}
}
}
public void InsertAssignmentPerCoursePerStudent(Assignment assignment) // λυπαμαι για οτι ακολουθει.
{
List <Grade> grades = new List <Grade>();
grades = GetAll <Grade>(query);
List <Student> students = new StudentService().GetList();
students = new StudentService().GetListAnalytic(students);
List <Course_Assignment> courses_Assignments = new Course_Assignment().GetList();
List <Course> courses = new CourseService().GetList();
courses = new CourseService().GetListAnalytic(courses);
do
{
Console.Write($"Assignment: {assignment.AssignmentId} {assignment.Title} {assignment.Description}\n\n------\n>");
int tempst;
Grade grade = new Grade();
new StudentView().Display(students);
Console.Write("Select Student to Assign:\nPress 0 to go back\n\n------\n>");
tempst = IntegerId <Student>(students);
if (tempst == 0)
{
Console.WriteLine("Process Terminated"); return;
}
Student student = students.FirstOrDefault(x => x.StudentId == tempst);
if (student.Courses.Count() == 0)
{
Console.WriteLine("Student is not enrolled to any course!Process terminated!");
}
else if (student.Courses.Count() == 1)
{
int tempcourid0;
tempcourid0 = student.Courses[0].CourseId;
Course_Assignment course_Assignment1 = courses_Assignments.FirstOrDefault(x => x.CourseId == tempcourid0 && x.AssignmentId == assignment.AssignmentId);
if (course_Assignment1 is Course_Assignment)
{
grade.CourseId = tempcourid0;
}
else
{
Console.WriteLine("Assignment is not assigned to this course.Process terminated");
return;
}
}
else
{
int listsize = student.Courses.Count();
int temp;
int[] tempcourid = new int[listsize];
for (int i = 0; i < listsize; i++)
{
Console.WriteLine("Student is enrolled to course(s):");
CourseView courseView = new CourseView();
courseView.Display(student.Courses);
while (true)
{
Console.Write("Please choose in which one the assignment will be assigned!\nPress 0 to go back\n\n------\n>");
temp = IntegerId <Course>(student.Courses);
if (temp == 0)
{
Console.WriteLine("Process Terminated"); return;
}
if (!tempcourid.Contains(temp))
{
tempcourid[i] = temp;
break;
}
else
{
Console.WriteLine("Already tried this course with no success!");
}
}
Course_Assignment course_Assignment = courses_Assignments.FirstOrDefault(x => x.CourseId == tempcourid[i] && x.AssignmentId == assignment.AssignmentId);
Grade grade1 = grades.FirstOrDefault(x => x.CourseId == tempcourid[i] && x.AssignmentId == assignment.AssignmentId && x.StudentId == tempst);
if (grade1 is Grade)
{
Console.WriteLine($"Already assigned to {student.FirstName} {student.LastName} for this course!");
}
else if (course_Assignment is Course_Assignment)
{
grade.CourseId = tempcourid[i];
break;
}
else
{
Console.WriteLine("Assignment is NOT assigned to this course.Try again!");
}
}
}
if (grade.CourseId != 0)
{
grade.AssignmentId = assignment.AssignmentId;
grade.StudentId = tempst;
CreateData <Grade>(grade, "Grades");
}
else
{
Console.WriteLine("Process Failed");
}
Console.Write("Do you want to add more students to this assignment?:<Y> or <N>?:\n>");
} while (YesOrNo());
}