public IActionResult GetAuthors([FromQuery] AuthorsResourceParameters authorsResourceParameters)
{
if (!_propertyMappingSerivce.ValidMappingExistsFor <AuthorDto, Author>(authorsResourceParameters.OrderBy))
{
return(BadRequest());
}
if (!_typeHelperService.TypeHasProperty <AuthorDto>(authorsResourceParameters.Fields))
{
return(BadRequest());
}
var authors = _libraryRepository.GetAuthors(authorsResourceParameters);
var paginationMetadata = new
{
totalCount = authors.TotalCount,
pageSize = authors.PageSize,
currentPage = authors.CurrentPage,
totalPages = authors.TotalPages,
};
Response.Headers.Add("X-Pagination", JsonConvert.SerializeObject(paginationMetadata));
var authorDtos = authors
.Select(a => new AuthorDto(a))
.ToList();
var shaped = EnumerableExtensions.ShapeData(authorDtos, authorsResourceParameters.Fields)
.Select(a =>
{
var dict = (IDictionary <string, object>)a;
var authorLinks = CreateLinksForAuthor((Guid)dict["Id"], authorsResourceParameters.Fields);
dict.Add("Links", authorLinks);
return(dict);
});
var links = CreateLinksForAuthors(authorsResourceParameters, authors.HasNext, authors.HasPrevious);
return(Ok(new
{
values = shaped,
links = links
}));
}