public IEnumerable <MusicContract> GetMusicContracts(ProductFilter filter)
{
var availableContracts = _musicContractsRepo.GetAll();
if (filter != null)
{
// I have left this as two separate linq queries for readability
var distributionPartnerContracts = _distributionPartnerContractsRepo.GetAll()
.Where(d => filter.DistributionParnterContractFilter(d))
.Select(d => d.Usage)
.Distinct();
availableContracts = availableContracts
.Where(m => m.Usages.Any(u => distributionPartnerContracts.Any(d => u.IsSameAs(d))))
.Where(m => filter.MusicContractFilter(m));
}
return(availableContracts
.OrderBy(x => x.Artist)
.ThenByDescending(x => x.StartDate)
.ToList());
}