private async void OnRemoveFaculty()
{
var facultySpecialities = await _sRepo.GetFilteredSpecialtiesAsync(s =>
s.FacultyId == SelectedFaculty.FacultyId);
if (facultySpecialities.Count > 0)
{
var result = MessageBox.Show(
"Вы точно хотите удалить факультет вместе с прикреплёнными специальностями и студентами?",
"К этому факультету прикреплены специальности.",
MessageBoxButton.YesNo);
switch (result)
{
case MessageBoxResult.Yes:
break;
case MessageBoxResult.No:
return;
default:
return;
}
}
await _repo.DeleteFacultyWithSpecialitiesAndStudentsAsync(SelectedFaculty.FacultyId);
var faculty = Faculties.FirstOrDefault(f => f.FacultyId == SelectedFaculty.FacultyId);
if (faculty != null)
{
Faculties.Remove(faculty);
}
}
public void RemoveFaculty(Faculty facultyToRemove)
{
if (Faculties.Contains(facultyToRemove))
{
Faculties.Remove(facultyToRemove);
}
}
private void RemoveRow_ButtonClick(object sender, RoutedEventArgs e)
{
try
{
if (CurrentRow != null)
{
var messageBoxResult = MessageBox.Show("Вы действительно удалить данный факультет?", "Подтверждение действия",
MessageBoxButton.YesNo, MessageBoxImage.Question);
if (messageBoxResult == MessageBoxResult.Yes)
{
Connection.Database.faculties.Remove(CurrentRow);
Faculties.Remove(CurrentRow);
Connection.Database.SaveChanges();
}
}
else
{
MessageBox.Show("Аудитория не выбрана.", "Ошибка", MessageBoxButton.OK, MessageBoxImage.Warning);
}
}
catch (Exception err)
{
MessageBox.Show(err.Message, "Ошибка сохранения", MessageBoxButton.OK, MessageBoxImage.Warning);
Connection.Database.faculties.Remove(CurrentRow);
}
}
// A realtime database transaction receives MutableData which can be modified
// and returns a TransactionResult which is either TransactionResult.Success(data) with
// modified data or TransactionResult.Abort() which stops the transaction with no changes.
TransactionResult AddScoreTransaction(MutableData mutableData)
{
List <object> Faculties = mutableData.Value as List <object>;
if (Faculties == null)
{
Faculties = new List <object>();
}
else if (mutableData.ChildrenCount >= MaxScores)
{
// If the current list of scores is greater or equal to our maximum allowed number,
// we see if the new score should be added and remove the lowest existing score.
long minScore = long.MaxValue;
object minVal = null;
foreach (var child in Faculties)
{
if (!(child is Dictionary <string, object>))
{
continue;
}
long childScore = (long)((Dictionary <string, object>)child)["score"];
string extension = (string)((Dictionary <string, object>)child)["extension"];
Debug.Log("extension url get working **************************************** " + extension);
if (childScore < minScore)
{
minScore = childScore;
minVal = child;
}
}
// If the new score is lower than the current minimum, we abort.
if (minScore > score)
{
return(TransactionResult.Abort());
}
// Otherwise, we remove the current lowest to be replaced with the new score.
Faculties.Remove(minVal);
}
// Now we add the new score as a new entry that contains the email address and score.
Dictionary <string, object> newScoreMap = new Dictionary <string, object>();
//newScoreMap["score"] = score;
//newScoreMap["email"] = email;
//***********************************************************************************************************************************************
newScoreMap["year"] = Global.year;
newScoreMap["facultyname"] = Global.faculty_name;
newScoreMap["subject"] = Global.subject;
newScoreMap["section"] = Global.section;
newScoreMap["category_name"] = Global.category_name;
newScoreMap["filename"] = Global.destination_filename_with_extension_for_uploading;
newScoreMap["extension"] = Global.extension;
//newScoreMap["filename_url"] = Global.faculty_name + "/" + Global.year + "/" + Global.subject + "/" + Global.section + "/" + Global.category_name + "/" + Global.destination_filename_with_extension_for_uploading;
//***********************************************************************************************************************************************
Faculties.Add(newScoreMap);
//Faculties.Add("Faculties/" + Global.faculty_name + "/" + Global.year + "/" + Global.subject + "/" + Global.section + "/" + Global.category_name + "/" + Global.destination_filename_with_extension_for_uploading );
// You must set the Value to indicate data at that location has changed.
mutableData.Value = Faculties;
return(TransactionResult.Success(mutableData));
}