public JsonResult DeleteGroup(int groupId, int index) // index is group position on the page
{
var userId = UserId;
using (var transaction = new TransactionScope())
{
List <Seat> assignedSeats = _ballroomService.CollectAssignedSeats(userId); // has to be fetched before deleting group because inside seats table there is person id reference and delete rule is set to set null
Group groupToDelete = _groupService.GetToDelete(userId, groupId);
GroupUndo undoModel = CreateUnodModel(groupToDelete, assignedSeats, index);
_groupService.Delete(groupToDelete);
var undoCommand = new DeleteGroupUndoCommand {
Group = undoModel
};
Guid key = _undoService.RegisterUndoCommand(userId, undoCommand);
transaction.Complete();
string viewData = this.RenderPartialView("~/Views/Undo/_Undo.cshtml", new UndoModel {
Key = key, Description = undoCommand.Description
});
return(Json(viewData, JsonRequestBehavior.AllowGet));
}
}
private GroupUndo CreateUnodModel(Group deletedData, List <Seat> assignedSeats, int index)
{
GroupUndo undoModel = _autoMapperService.MapGroupEntitiesUndo(deletedData);
undoModel.Index = index;
UpdateUndoModelWithAssignedSeat(undoModel.Persons, assignedSeats);
return(undoModel);
}
public Group MapGroupUndoModel(GroupUndo groupUndo)
{
return(Mapper.Map <GroupUndo, Group>(groupUndo));
}
