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 IActionResult RecursiveRouteRedirect()
{
Parameters parameters =
_parametersProcessorService.ProcessParameters(Request.RouteValues, Request.QueryString);
if (parameters.RouteParameters.Predicate == null)
{
return(Redirect(UrlHelperClass.ReduceUrl(Request.GetEncodedUrl(), "resource")));
}
return(Redirect(UrlHelperClass.ReduceUrl(Request.GetEncodedUrl(), "predicate")));
}
public IActionResult GetGraphsForEndpoint([FromRoute] string endpoint)
{
var graphs = _endpointService.GetEndpointGraphs(endpoint);
if (graphs != null)
{
return(Ok(graphs));
}
return(NotFound(new CustomErrorVm()
{
CustomErrorMessage =
$"No graphs found. Check selected endpoint configuration at {UrlHelperClass.GetEndpointUrl(Request.GetEncodedUrl())}"
}));
}
public IActionResult PostEndpoint(EndpointVm endpoint)
{
if (_endpointService.AddEndpoint(_mapper.Map <EndpointVm, Endpoint>(endpoint), out var finalEndpoint))
{
return(Created(
new Uri(UrlHelperClass.CreateEndpointUrl(Request.GetEncodedUrl(), endpoint.EndpointName)),
finalEndpoint));
}
return(BadRequest(new ValidationErrorVm()
{
CustomError = new CustomErrorVm()
{
CustomErrorMessage =
$"Given endpoint name is already assigned. Check this endpoint configuration at {UrlHelperClass.CreateEndpointUrl(Request.GetEncodedUrl(), endpoint.EndpointName)}"
}
}));
}
public async Task <IActionResult> DeleteResource()
{
Parameters parameters =
_parametersProcessorService.ProcessParameters(Request.RouteValues, Request.QueryString);
string?query = _sparqlFactoryService.GetFinalDeleteQueryForResource(parameters);
if (query != null)
{
bool successful = await _endpointService.ExecuteUpdateSparqlQueryAsync(
parameters.RouteParameters.Endpoint,
parameters.RouteParameters.Graph, query);
if (successful)
{
return(NoContent());
}
}
return(BadRequest(new CustomErrorVm()
{
CustomErrorMessage =
$"Resource could not have been deleted! Check endpoint configuration at {UrlHelperClass.GetEndpointUrl(Request.GetEncodedUrl())}.",
GeneratedQuery = query
}));
}
public async Task <IActionResult> PutPredicate(PredicateVm predicateVm)
{
Parameters parameters =
_parametersProcessorService.ProcessParameters(Request.RouteValues, Request.QueryString);
string?query = _sparqlFactoryService.GetFinalPutQueryForPredicate(parameters, predicateVm);
if (query != null)
{
bool successful = await _endpointService.ExecuteUpdateSparqlQueryAsync(
parameters.RouteParameters.Endpoint,
parameters.RouteParameters.Graph, query);
if (successful)
{
return(Created(new Uri(Request.GetEncodedUrl()), predicateVm));
}
}
return(BadRequest(new ValidationErrorVm()
{
CustomError = new CustomErrorVm()
{
CustomErrorMessage =
$"Predicate could not have been created! Check selected endpoint configuration at {UrlHelperClass.GetEndpointUrl(Request.GetEncodedUrl())}.",
GeneratedQuery = query
}
}));
}
