public async Task <IActionResult> CreateAuthorCollection(IEnumerable <AuthorCreationDto> authors)
{
if (!authors.Any())
{
return(NotFound());
}
var authorsEntity = _mapper.Map <IEnumerable <Author> >(authors);
_courseLibraryRepository.AddAuthorRange(authorsEntity);
await _courseLibraryRepository.SaveAsync();
var authorCollectionToReturn = _mapper.Map <IEnumerable <AuthorDto> >(authorsEntity);
var idsToReturn = string.Join(",", authorCollectionToReturn.Select(c => c.Id));
return(CreatedAtRoute(
"GetAuthorCollection",
new
{
authorIds = idsToReturn
//authorIds = authorsEntity.Select(c => c.Id)
//authorIds = from author in authorsEntity select author.Id
},
authorCollectionToReturn));
}