internal void DeleteNonClassDate(NonClassDate nonClassDate)
{
String query = " DELETE from non_class_date where id = " + nonClassDate.Id + ";";
try
{
SQLiteCommand command = new SQLiteCommand(query, conn);
command.ExecuteNonQuery();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
internal void AddNonClassDate(NonClassDate nonClassDate)
{
String query = " INSERT INTO non_class_date (non_class_date, class_id) VALUES (" +
" " + (nonClassDate.NonClassDateTime != null ? "'" + ((DateTime)nonClassDate.NonClassDateTime).ToString("yyyy-MM-dd HH:mm:ss") + "'" : "null") +
", " + nonClassDate.ClassId +
"); ";
try
{
SQLiteCommand command = new SQLiteCommand(query, conn);
command.ExecuteNonQuery();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
internal void AddNonClassDate()
{
if (null == NonClassDateListString) return;
if (!NonClassDateList.Any(item => item.NonClassDateTime.Equals(SelectedNonClassDateForAdd)))
{
NonClassDate newDate = new NonClassDate();
newDate.ClassId = CurrentSelectedClass.Id;
newDate.NonClassDateTime = SelectedNonClassDateForAdd;
_addNonClassDateList.Add(newDate);
NonClassDateList.Add(newDate);
NotifyPropertyChanged("NonClassDateList");
}
}
internal List<NonClassDate> FindNonClassDateListByClassId(int cid)
{
String query = " SELECT * FROM non_class_date WHERE class_id = " + cid + " order by non_class_date;";
List<NonClassDate> ncList = new List<NonClassDate>();
try
{
SQLiteCommand command = new SQLiteCommand(query, conn);
SQLiteDataReader reader = command.ExecuteReader();
while (reader.Read())
{
NonClassDate ndate = new NonClassDate();
ndate.Id = System.DBNull.Value != reader["id"] ? Convert.ToInt32(reader["id"]) : 0;
ndate.NonClassDateTime = System.DBNull.Value != reader["non_class_date"] ? (DateTime?)reader["non_class_date"] : (DateTime?)null;
ndate.ClassId = System.DBNull.Value != reader["class_id"] ? Convert.ToInt32(reader["class_id"]) : 0;
ncList.Add(ndate);
}
}
catch (Exception ex)
{
Console.Write(ex.Message);
}
return ncList;
}