private void btnSignUp_Click(object sender, EventArgs e)
{
using (var ctx = new UsersContext())
{
var login = MetaBackEnd.getCorrectLogin(tbLogin.Text);
var rawpass = MetaBackEnd.getCorrectLogin(tbPass.Text);
var birthDate = dtpBirthDate.Value;
var signUpDate = DateTime.Now;
var idSpecial = ctx.specials.SingleOrDefault(spec => tbSpecial.Text == spec.special_code).id;
var bsalt = MetaBackEnd.GenerateSalt();
var bpass = MetaBackEnd.CalcHash(rawpass, bsalt);
var newUser = new awp_users
{
gender = genderName,
login_ = login,
password = bpass,
birth_date = birthDate,
signup_date = signUpDate,
salt = bsalt,
id_special = idSpecial
};
ctx.awp_users.Add(newUser);
ctx.SaveChanges();
}
}
private void DeleteRecordWithCtx(UsersContext ctx, string table, object deletedObj)
{
// Question1!!! Ужос, везде код дублируется. Alt+shift+> помогает
switch (table) // Exlicipt casting to correct class type
{
case "awp_users":
{
awp_users delObj = (awp_users)deletedObj;
ctx.awp_users.Attach(delObj);
ctx.awp_users.Remove(delObj);
break;
}
case "specials":
{
special delObj = (special)deletedObj;
ctx.specials.Attach(delObj);
ctx.specials.Remove(delObj);
break;
}
default:
throw new Exception("ERROR\n in DeleteRecordWithCtx, wrong case ");
}
}
private void UpdateRecordWithCtx(UsersContext ctx, object updatedObj, string tableName)
{
// QUESTION как это исправить всё?
switch (tableName) // Exlicipt casting to correct class type
{
case "awp_users":
{
awp_users updObj = (awp_users)updatedObj; // create updated awp_users
var oldObj = ctx.awp_users.SingleOrDefault(o => o.id == updObj.id);
ctx.Entry(oldObj).CurrentValues.SetValues(updatedObj); // get entity's values and update the values
break;
}
case "specials":
{
special updObj = (special)updatedObj;
var oldObj = ctx.specials.SingleOrDefault(o => o.id == updObj.id);
ctx.Entry(oldObj).CurrentValues.SetValues(updatedObj);
break;
}
default:
throw new Exception("ERROR\n in UpdateRecordWithCtx, wrong case ");
}
}
private object GetCorrectObj(DataGridView dgv, int row, string dataBase) // return correct class instance
{
var curRowCells = dgv.Rows[row].Cells;
var idFromFirstCell = curRowCells[0].Value == null ? 0 : (int)curRowCells[0].Value; // Cell can be null......
switch (dataBase)
{
case "awp_users":
{
var obj = new awp_users
{
id = idFromFirstCell,
login_ = (string)curRowCells[1].Value,
password = (byte[])curRowCells[2].Value,
salt = (byte[])curRowCells[2].Tag,
id_special = (int)curRowCells[3].Value,
gender = (string)curRowCells[4].Value,
signup_date = (DateTime)curRowCells[5].Value,
birth_date = (DateTime)curRowCells[6].Value
};
return(obj);
}
case "specials":
{
var obj = new special
{
id = idFromFirstCell,
special_code = (string)curRowCells[1].Value,
id_role = (int)curRowCells[2].Value
};
return(obj);
}
default:
throw new Exception("Error in GetCorrectObj method");
}
}
