public Task AddAsync(ISQEntryModel entry) => _info.Lock.Write(() =>
{
if (_info.Entries.Contains(entry))
{
return(Task.CompletedTask);
}
_addEntry(entry);
_context.IsqEntries.Add(entry);
return(Task.CompletedTask);
});
private void _addEntry(ISQEntryModel entry)
{
_info.CourseToEntries[entry.Course].Add(entry);
_info.ProfessorToEntries[entry.Professor].Add(entry);
_info.Entries.Add(entry);
}