private void Window_Loaded(object sender, RoutedEventArgs e)
{
curCont = new ElectionContext();
curCont.Candidates.Load();
curCont.Confidents.Load();
infoGrid.ItemsSource = curCont.Candidates.Local.ToBindingList();
secGrid.ItemsSource = curCont.Confidents.Local.ToBindingList();
this.Closing += Window_Closing;
}
public MainWindow()
{
using (ElectionContext db = new ElectionContext())
{
Candidate c1 = new Candidate {
Name = "Alex", Surname = "Lukashenko", Rating = 35
};
Candidate c2 = new Candidate {
Name = "Zianon", Surname = "Pozniak", Rating = 65
};
Candidate c3 = new Candidate {
Name = "Maria", Surname = "Vasilevish", Rating = 0
};
db.Candidates.AddRange(new List <Candidate>()
{
c1, c2, c3
});
Confident conf1 = new Confident {
FullName = "Alex Matskevich", Age = 40, PoliticalPreferences = "Neutral", Candidate = c1
};
Confident conf2 = new Confident {
FullName = "Karyna Kluchnik", Age = 18, PoliticalPreferences = "Monarch", Candidate = c2
};
Confident conf3 = new Confident {
FullName = "Tanya Verbovich", Age = 25, PoliticalPreferences = "Liberal", Candidate = c2
};
db.Confidents.AddRange(new List <Confident>()
{
conf1, conf2, conf3
});
Promise prom1 = new Promise {
Text = "Stop War"
};
Promise prom2 = new Promise {
Text = "Increase revenue"
};
prom1.Candidates.Add(c1);
prom2.Candidates.Add(c1);
prom2.Candidates.Add(c2);
db.Promises.AddRange(new List <Promise> {
prom1, prom2
});
db.SaveChanges();
CandidateProfile prof1 = new CandidateProfile {
Id = c1.Number, Age = 50, Description = "Current president"
};
CandidateProfile prof2 = new CandidateProfile {
Id = c2.Number, Age = 40, Description = "Legend"
};
db.CandidateProfiles.AddRange(new List <CandidateProfile> {
prof1, prof2
});
db.SaveChanges();
}
InitializeComponent();
}
private void updRating_Click(object sender, RoutedEventArgs e)
{
using (ElectionContext db = new ElectionContext())
{
var result2 = db.Candidates.Join(db.Confidents, p => p.Number,
c => c.CandidateId, (p, c) => new
{
Name = c.FullName,
CandidateSurname = p.Surname
}
).ToList();
infoGrid.ItemsSource = result2;
var result3 = db.Confidents.GroupBy(c => c.CandidateId).Select(g =>
new { ID = g.FirstOrDefault().Id, AvgAge = g.Average(c => c.Age) }).Join(db.Candidates,
a => a.ID,
b => b.Number, (a, b) => new
{
Name = b.Name,
Surname = b.Surname,
Age = a.AvgAge
}
).ToList(); secGrid.ItemsSource = result3;
}
}
