public async Task <IReadOnlyList <TaskItemModel> > GetAsync(TaskItemsFilterModel filter)
{
var persistenceFilter = _mapper.Map <TaskItemsFilter>(filter);
var entities = await _taskItemRepository.FindAllByFilters(persistenceFilter);
var taskGenerationMap = (await _taskGenerationRepository.GetAllAsync())
.ToDictionary(x => x.Id);
return(entities
.Select(x => MapTaskItemModel(x, taskGenerationMap))
.ToList());
}