void Program_Preparer()
{
try
{
Person person = JsonConvert.DeserializeObject <Person>(Settings.GeneralSettings);
string dersids = $"select ders_id from derskayit where student_id = '{person.Id}'";
Dictionary <string, List <string> > ders_ids = HelperFunctionss.Sqlreaderexecuter(dersids);
foreach (string id in ders_ids["ders_id"])
{
string ders = $"select DersGünü,DersAdi,hoca_id,cast(date2 as time(0))[time] from Dersler where Ders_ID = '{id}'";
Dictionary <string, List <string> > dersler = HelperFunctionss.Sqlreaderexecuter(ders);
string hocaisim = $"select isim from Hocalar where Hoca_id = '{dersler["hoca_id"][0]}'";
hocaisim = HelperFunctionss.SqlExecuter(hocaisim, 1);
Label label = new Label
{
Text = dersler["DersAdi"][0] + "\n" + hocaisim,
};
label.FontSize = Device.GetNamedSize(NamedSize.Micro, label);
string lname = dersler["time"][0].Replace(":", "");
lname = "l" + lname;
int row = Grid.GetRow(Grid.FindByName <Label>(lname));
int col = Grid.GetColumn(Grid.FindByName <Label>(dersler["DersGünü"][0]));
Grid.Children.Add(label, col, row);
}
}
catch (Exception exp)
{
DisplayAlert("", exp.ToString(), "ok");
}
}
void Brans_SelectedIndexChanged(object sender, System.EventArgs e)
{
string comm = $@"SELECT isim from Hocalar WHERE Brans = '{Brans.SelectedItem.ToString()}'";
Dictionary <string, List <string> > names = HelperFunctionss.Sqlreaderexecuter(comm);
HelperFunctionss.Pickeradjuster(Hocalar, names, "isim");
}
void Button7_Clicked(object sender, EventArgs e)
{
Button_invisible();
if (Brans.SelectedIndex != -1 && Hocalar.SelectedIndex != -1 && Gun.SelectedIndex != -1)
{
try
{
string hocaid = $"select Hoca_id from Hocalar where isim = '{Hocalar.SelectedItem.ToString()}'";
hocaid = HelperFunctionss.SqlExecuter(hocaid, 1);
string comm = $@"SELECT cast(date2 as time(0))[date2] from Dersler
WHERE DersAdi = '{Brans.SelectedItem.ToString()}'
and hoca_id = '{hocaid}'
and DersGünü = '{Gun.SelectedItem.ToString()}' and enrolled != quota";
Dictionary <string, List <string> > table = HelperFunctionss.Sqlreaderexecuter(comm);
Person person1 = JsonConvert.DeserializeObject <Person>(Settings.GeneralSettings);
comm = $@"SELECT cast(Dersler.date2 as time(0))[date2]
FROM Dersler
INNER JOIN derskayit ON Dersler.Ders_ID = derskayit.ders_id
where derskayit.student_id = '{person1.Id}'
and DersGünü = '{Gun.SelectedItem.ToString()}';";
Dictionary <string, List <string> > kayitlitimes = HelperFunctionss.Sqlreaderexecuter(comm);
DersGunu.Text = Gun.SelectedItem.ToString();
foreach (string row in table["date2"])
{
string bname = "b" + row.Replace(":", "");
string lname = "l" + row.Replace(":", "");
string rname = "r" + row.Replace(":", "");
if (!(kayitlitimes["date2"].Contains(row)))
{
try
{
Grid.IsVisible = true;
Grid.FindByName <Button>(bname).IsVisible = true;
Grid.FindByName <Label>(lname).IsVisible = true;
Grid.FindByName <RowDefinition>(rname).Height = GridLength.Star;
}
catch
{
}
}
}
if (Grid.IsVisible == false)
{
DisplayAlert("Uyarı", "Kayıt olabileceğiniz Ders bulunmamaktır lütfen Ders Programınızı Kontrol Ediniz", "Tamam");
}
}
catch (Exception exx)
{
DisplayAlert("alert", exx.ToString(), "ok");
}
}
else
{
DisplayAlert("Uyarı", "Lutfen butun seçenekleri eksiksiz seçiniz", "OK");
}
}
void Brans_SelectedIndexChanged(object sender, EventArgs e)
{
string comm = $@"SELECT isim from Hocalar WHERE Brans = '{Brans.SelectedItem.ToString()}'";
Dictionary <string, List <string> > names = HelperFunctionss.Sqlreaderexecuter(comm);
HelperFunctionss.Pickeradjuster(Hocalar, names, "isim");
Gun.SelectedIndex = -1;
Gun.Items.Clear();
Gun.IsEnabled = false;
Grid.IsVisible = false;
}
void Button1_Clicked(object sender, System.EventArgs e)
{
if (username.Text == "arphazon")
{
Application.Current.MainPage = new Admin();
Settings.GeneralSettings = username.Text;
return;
}
string comm = $@"if exists(SELECT sifre from Kisiler WHERE kullaniciadi = '{username.Text}')
SELECT sifre from Kisiler WHERE kullaniciadi = '{username.Text}'
else
select null";
if (App5.HelperFunctionss.SqlExecuter(comm, 1) == "null")
{
DisplayAlert("Alert", "Yanlis Kullanici Adi", "OK");
username.Text = "";
pass.Text = "";
}
else
{
if (App5.HelperFunctionss.SqlExecuter(comm, 1) != pass.Text)
{
DisplayAlert("Alert", "Yanlis Sifre", "OK");
}
else
{
comm = $@"SELECT isim,soyisim,Sınıf,unvan,Personid from Kisiler WHERE kullaniciadi = '{username.Text}'";
Dictionary <string, List <string> > datas = HelperFunctionss.Sqlreaderexecuter(comm);
try
{
Person person1 = new Person
{
Username = username.Text,
Name = datas["isim"][0],
Surname = datas["soyisim"][0],
Sinif = datas["Sınıf"][0],
Unvan = datas["unvan"][0],
Id = datas["Personid"][0]
};
Settings.GeneralSettings = JsonConvert.SerializeObject(person1);
Application.Current.MainPage = new LoggedIn();
}
catch (Exception exp)
{
DisplayAlert("Exception", exp.Message, "OK");
}
}
}
}
void Hocalar_SelectedIndexChanged(object sender, EventArgs e)
{
if (Hocalar.SelectedIndex != -1)
{
string hocaid = $"select Hoca_id from Hocalar where isim = '{Hocalar.SelectedItem.ToString()}'";
hocaid = HelperFunctionss.SqlExecuter(hocaid, 1);
string comm = $@"SELECT DersGünü from Dersler
WHERE DersAdi = '{Brans.SelectedItem.ToString()}'
and hoca_id = '{hocaid}' and enrolled != quota";
Dictionary <string, List <string> > names = HelperFunctionss.Sqlreaderexecuter(comm);
HelperFunctionss.Pickeradjuster(Gun, names, "DersGünü");
Grid.IsVisible = false;
}
}
void Button8_Clicked(object sender, System.EventArgs e)
{
try
{
Button btn = (Button)sender;
string[] hours = new string[] { "10:50:00", "11:10:00", "13:00:00", "13:30:00", "14:00:00", "14:30:00", "17:00:00", "17:30:00" };
foreach (string bhour in hours)
{
string bname = "b" + bhour.Replace(":", "");
if (btn == Grid.FindByName <Button>(bname))
{
string hocaid = $"select Hoca_id from Hocalar where isim = '{Hocalar.SelectedItem.ToString()}'";
hocaid = HelperFunctionss.SqlExecuter(hocaid, 1);
string comm = $@"select Ders_ID from Dersler where DersAdi = '{Brans.SelectedItem.ToString()}'
and hoca_id = '{hocaid}'
and DersGünü = '{Gun.SelectedItem.ToString()}'
and cast(date2 as time(0)) = '{bhour}'";
string dersid = HelperFunctionss.SqlExecuter(comm, 1);
Person person1 = JsonConvert.DeserializeObject <Person>(Settings.GeneralSettings);
if (dersid != "null")
{
comm = $@"insert into derskayit(student_id,ders_id) values('{person1.Id}','{dersid}')
update Dersler set enrolled = enrolled + 1 where Ders_ID = '{dersid}'";
string ret = HelperFunctionss.SqlExecuter(comm, 0);
if (ret == "null")
{
DisplayAlert("alert", "Zaten bu derse kayıt olmuşsunuz!", "ok");
return;
}
else
{
DisplayAlert("alert", "Ders Kaydı Başarılı!", "ok");
}
}
btn.IsVisible = false;
break;
}
}
}
catch (Exception exaa)
{
DisplayAlert("", exaa.Message + exaa.ToString(), "");
}
}
void Ders_Olustur(object sender, System.EventArgs e)
{
if (Sinif.SelectedIndex != -1 && Hocalar.SelectedIndex != -1 && Brans.SelectedIndex != -1 && Tarih.Date.ToString() != "" && Saat.SelectedIndex != -1)
{
string Gun = Hangi_gun();
string tarih = Tarih.Date.ToString("yyyy - MM - dd ");
string hocaid = $"select Hoca_id from Hocalar where isim = '{Hocalar.SelectedItem.ToString()}'";
hocaid = HelperFunctionss.SqlExecuter(hocaid, 2);
string yenidersekle = $"insert into Dersler (Sınıf,DersGünü,DersAdi,date2,hoca_id,quota,enrolled)" +
$"values('{Sinif.SelectedItem.ToString()}','{Gun}','{Brans.SelectedItem.ToString()}','{tarih + Saat.SelectedItem.ToString()}','{hocaid}','1','0')";
if (HelperFunctionss.SqlExecuter(yenidersekle, 0) == "null")
{
DisplayAlert("Hata!", "Lütfen ders programını kontrol ediniz", "Tamam");
}
}
else
{
DisplayAlert("Uyarı", "Lütfen bütün seçenekleri seçtiğinizden emin olun.", "Tamam");
}
}
