public async Task<Season> AddAsync(Season entity)
        {
            var intersections = await CheckTimeIntersections(entity);
            if (intersections.Count > 0)
                throw new SeasonDateTimeException(entity, intersections);

            return await _repo.AddAsync(entity);
        }

@CheckTimeIntersections
public async Task<Season> AddAsync(Season entity)
        {
            return await _repo.AddAsync(entity);
        }