public IEnumerable <PublicationDto> GetAllPublications(DateTime?loanDate)
{
IEnumerable <Publication> pubs;
if (loanDate.HasValue)
{
pubs = _borrowRepo.GetAllPublicationsThatAreOnLoanByParticularDate((DateTime)loanDate);
}
else
{
pubs = _publicationRepo.GetAllPublications();
}
return(pubs.Select(p => new PublicationDto(p)));
}