public async Task <IActionResult> GetResources([FromQuery] QueryStringParameters queryStringParametersDto)
{
Parameters parameters =
_parametersProcessorService.ProcessParameters(Request.RouteValues, Request.QueryString);
string?query = _sparqlFactoryService.GetFinalQuery(
_endpointService.GetEntryResourceQuery(parameters.RouteParameters.Endpoint,
parameters.RouteParameters.Graph), parameters);
if (query != null)
{
var sparqlResults =
await _endpointService.ExecuteSelectSparqlQueryAsync(parameters.RouteParameters.Endpoint,
parameters.RouteParameters.Graph, query);
if (sparqlResults != null)
{
CurieVm curiesVm = _resultFormatterService.FormatSparqlResultToCurieList(sparqlResults);
return(Ok(curiesVm));
}
}
return(NotFound(new CustomErrorVm()
{
CustomErrorMessage =
$"No results were found! Check endpoint configuration at {UrlHelperClass.GetEndpointUrl(Request.GetEncodedUrl())}.",
GeneratedQuery = query
}));
}
public async Task <IActionResult> GetConcreteClass([FromQuery] QueryStringParameters queryStringParametersDto)
{
Parameters parameters =
_parametersProcessorService.ProcessParameters(Request.RouteValues, Request.QueryString);
string?query = _sparqlFactoryService.GetFinalSelectQueryForClass(parameters);
if (query != null)
{
var sparqlResults =
await _endpointService.ExecuteSelectSparqlQueryAsync(parameters.RouteParameters.Endpoint,
parameters.RouteParameters.Graph, query);
if (sparqlResults != null)
{
CurieVm curiesVm = _resultFormatterService.FormatSparqlResultToCurieList(sparqlResults);
return(Ok(curiesVm));
}
}
return(NotFound(new CustomErrorVm()
{
CustomErrorMessage = "No results were found!",
GeneratedQuery = query
}));
}
public CurieVm FormatSparqlResultToCurieList(IEnumerable <SparqlResult> sparqlResults)
{
CurieVm curieVm = new CurieVm();
foreach (var sparqlResult in sparqlResults)
{
string key = sparqlResult.FirstOrDefault().Key;
string value = sparqlResult.Value(key).ToString();
if (!_namespaceFactoryService.GetQnameFromAbsoluteUri(value, out var qname))
{
continue;
}
curieVm.Curies.Add(HttpUtility.UrlDecode(qname));
}
return(curieVm);
}