private void OnCancel()
{
if (AddMode)
{
EventCollection.Remove(SelectedEvent);
SelectedEvent = null;
AddMode = false;
}
else if (EditMode)
{
SelectedEvent.CancelEdit();
EditMode = false;
}
else if (RemoveMode)
{
foreach (var item in EventCollection)
{
if (item.IsChecked)
{
item.IsChecked = false;
}
}
RemoveMode = false;
}
CanUseDatagrid = true;
CanEditFields = false;
}
private void ModifyCommandExecute(Object param)
{
SelectedEvent.BeginEdit();
if (AddNewEventFunc != null && AddNewEventFunc(SelectedEvent))
{
using (var context = new DataContext())
{
context.UpdateEventParticipators(SelectedEvent.Id, SelectedEvent.Participators);
context.UpdateEvent(SelectedEvent.ConvertBackToDalModel());
context.UpdateEventDocuments(SelectedEvent.Documents.Select(d => d.ConvertBackToDalModel()), SelectedEvent.Id);
SelectedEvent.EndEdit();
RefreshEvents();
return;
}
}
SelectedEvent.CancelEdit();
}
private async void OnSave()
{
if (AddMode)
{
var _event = Converter.ConvertFromEventModel(SelectedEvent);
int id = 0;
bool success = true;
string error = "";
OnInformationRequested("Loading...");
await Task.Run(() =>
{
try
{
using (Repository <Event> repo = new Repository <Event>())
{
var result = repo.InsertWithResult(_event);
if (result.Status.Success)
{
id = result.Data.ID;
}
else
{
success = false;
error = result.Status.ErrorMessage;
}
}
}
catch (Exception ex)
{
success = false;
error = $"An error occured. Message: {ex.Message}";
}
});
if (success)
{
SelectedEvent.Id = id;
OnInformationRequested("Data added successfully, refreshing service in the background...");
await Task.Run(() =>
{
var result = Controller.RefreshService();
if (!result.Success)
{
success = false;
error = result.ErrorMessage;
}
});
if (success)
{
OnInformationRequested("Service refreshed successfully");
}
else
{
OnErrorOccured(error);
}
}
else
{
EventCollection.Remove(SelectedEvent);
SelectedEvent = null;
OnErrorOccured(error);
}
AddMode = false;
}
else if (EditMode)
{
var _event = Converter.ConvertFromEventModel(SelectedEvent);
bool success = true;
string error = "";
OnInformationRequested("Loading...");
await Task.Run(() =>
{
try
{
using (Repository <Event> repo = new Repository <Event>())
{
var result = repo.Update(_event);
if (!result.Success)
{
success = false;
error = result.ErrorMessage;
}
}
}
catch (Exception ex)
{
success = false;
error = $"An error occured. Message: {ex.Message}";
}
});
if (success)
{
SelectedEvent.EndEdit();
OnInformationRequested("Data updated successfully, refreshing service in the background...");
await Task.Run(() =>
{
var result = Controller.RefreshService();
if (!result.Success)
{
success = false;
error = result.ErrorMessage;
}
});
if (success)
{
OnInformationRequested("Service refreshed successfully");
}
else
{
OnErrorOccured(error);
}
}
else
{
SelectedEvent.CancelEdit();
OnErrorOccured(error);
}
EditMode = false;
}
else if (RemoveMode)
{
var temp = from item in EventCollection
where item.IsChecked
select item;
var eventsToRemove = temp.Select(x => Converter.ConvertFromEventModel(x));
bool success = true;
string error = "";
OnInformationRequested("Loading...");
await Task.Run(() =>
{
try
{
using (Repository <Event> repo = new Repository <Event>())
{
var result = repo.Delete(eventsToRemove);
if (!result.Success)
{
success = false;
error = result.ErrorMessage;
}
}
}
catch (Exception ex)
{
success = false;
error = $"An error occured. Message: {ex.Message}";
}
});
if (success)
{
//to avoid Invalid Operation Exception
for (int i = 0; i < EventCollection.Count; i++)
{
if (EventCollection[i].IsChecked)
{
EventCollection.RemoveAt(i);
i--;
}
}
OnInformationRequested("Data removed successfully, refreshing service in the background...");
await Task.Run(() =>
{
var result = Controller.RefreshService();
if (!result.Success)
{
success = false;
error = result.ErrorMessage;
}
});
if (success)
{
OnInformationRequested("Service refreshed successfully");
}
else
{
OnErrorOccured(error);
}
}
else
{
OnErrorOccured(error);
}
RemoveMode = false;
}
CanUseDatagrid = true;
CanEditFields = false;
}