public static void ClearData(this UniversityResidenceDbContext context)
{
context.Employees.RemoveAll();
context.Halls.RemoveAll();
context.Rooms.RemoveAll();
context.Students.RemoveAll();
context.SaveChanges();
}
// not perfect, if you get an error, clear and try again
public static void GenerateData(this UniversityResidenceDbContext context)
{
var halls = GenerateHalls();
var rooms = GenerateRooms(halls, 30);
var students = GenerateStudents(rooms);
var emplyees = GenerateEmployees(halls, 10);
halls.ForEach(h => context.Halls.Add(h));
rooms.ForEach(r => context.Rooms.Add(r));
students.ForEach(s => context.Students.Add(s));
emplyees.ForEach(e => context.Employees.Add(e));
context.SaveChanges();
}