static void DoOneToMany(AvansContext db, string forPerson)
{
Random random = new Random();
Grade grade = new Grade
{
GradeName = $"Prog {random.Next(1, 4)}",
Result = random.Next(0, 10)
};
var person = db.People.First(x => x.Firstname.ToLower() == forPerson);
person.Grades.Add(grade);
db.SaveChanges();
}
static bool DoManyToMany(AvansContext db, string forPerson)
{
Random random = new Random();
int id = random.Next(1, 3);
var person = db.People.Include(x => x.Workshops).First(x => x.Firstname.ToLower() == forPerson);
var ws = db.Workshops.FirstOrDefault(x => x.Id == id);
if (ws != null)
{
if (!person.Workshops.Any(x => x.Id == ws.Id))
{
person.Workshops.Add(ws);
return(db.SaveChanges() > 1);
}
}
return(false);
}
private static void DisplayResult(AvansContext db, bool m2m)
{
foreach (var p in db.People.Include(g => g.Grades).Include(w => w.Workshops))
{
Console.WriteLine($"{p.Firstname} {p.Lastname}");
if (p.Grades.Any())
{
Console.WriteLine($"Grade average: {Math.Round(p.Grades.Average(c => c.Result), 2)}");
}
Console.WriteLine("Top 10 Grades:");
foreach (var g in p.Grades.Take(10))
{
Console.WriteLine($"\t{g.GradeName} {g.Result}");
}
foreach (var ws in p.Workshops)
{
Console.WriteLine($"Workshop:\t{ws.WorkshopName}");
}
Console.WriteLine();
}
}
static void Main(string[] args)
{
bool nogEenRondje = true;
Random random = new Random();
string[] peopleToChoose = { "bob", "eric", "stijn", "ronald" };
while (nogEenRondje)
{
using (var db = new AvansContext())
{
Console.WriteLine();
DoOneToMany(db, peopleToChoose[random.Next(0, 3)]);
bool m2m = DoManyToMany(db, peopleToChoose[random.Next(0, 3)]);
DisplayResult(db, m2m);
}
Console.WriteLine();
Console.WriteLine("Nog een rondje Y/N?");
nogEenRondje = Console.ReadKey().KeyChar.ToString().ToLower() == "y";
}
Console.ReadLine();
}
