public ExpandoObject ShapeAndAddLinkToObject <T>(T obj, string resourceName, string fields)
{
var shapedObj = obj.ShapeData(fields);
var shapedObjAsDict = shapedObj as IDictionary <string, object>;
var linksForObj = _hateoasHelper.CreateLinksForResource((Guid)shapedObjAsDict["Id"], fields, resourceName);
((IDictionary <string, object>)shapedObj).Add("links", linksForObj);
return(shapedObj);
}
public async Task <IActionResult> GetArtistsWithHateoas([FromQuery] RequestParameters requestParameters)
{
if (string.IsNullOrWhiteSpace(requestParameters.OrderBy))
{
requestParameters.OrderBy = "StageName";
}
if (!_typeHelperService.TypeHasProperties <ArtistDto>(requestParameters.Fields))
{
return(BadRequest());
}
var artistPagedList = await GetPagedListOfArtists(requestParameters);
var paginationMetaData = _controllerHelper.CreatePaginationMetadataObject(artistPagedList, requestParameters, "GetArtists");
Response.Headers.Add("X-Pagination", JsonConvert.SerializeObject(paginationMetaData));
var artists = Mapper.Map <IEnumerable <ArtistDto> >(artistPagedList);
var shapedArtists = artists.ShapeData(requestParameters.Fields);
var shapedArtistsWithLinks = shapedArtists.Select(artist =>
{
var artistDict = artist as IDictionary <string, object>;
var linksForArtist = _hateoasHelper.CreateLinksForResource((Guid)artistDict["Id"], requestParameters.Fields, "Artist");
artistDict.Add("links", linksForArtist);
return(artistDict);
});
var links = _hateoasHelper.CreateLinksForResources(requestParameters, artistPagedList.HasNext, artistPagedList.HasPrevious, "Artist");
if (requestParameters.IncludeMetadata)
{
var linkedArtistsWithMetadata = _controllerHelper.CreateLinkedentityWithmetadataObject(paginationMetaData, shapedArtistsWithLinks, links);
return(Ok(linkedArtistsWithMetadata));
}
else
{
var linkedResourceCollection = new ExpandoObject();
((IDictionary <string, object>)linkedResourceCollection).Add("records", shapedArtistsWithLinks);
((IDictionary <string, object>)linkedResourceCollection).Add("links", links);
return(Ok(linkedResourceCollection));
}
}