public async Task Increment(CourseId id)
{
var counter = await _repository.Search() ?? InitializeCounter();
if (!counter.HasIncremented(id))
{
counter.Increment(id);
await _repository.Save(counter);
}
}
public async Task <CoursesCounterResponse> Find()
{
var coursesCounter = await _repository.Search() ?? throw new CoursesCounterNotInitialized();
return(new CoursesCounterResponse(coursesCounter.Total.Value));
}