// TODO: Cache
public PidUriTemplateFlattened GetFlatPidUriTemplateByPidUriTemplate(Entity pidUriTemplate)
{
var result = new PidUriTemplateFlattened
{
Id = pidUriTemplate.Id
};
string idTypeProp = pidUriTemplate.Properties.GetValueOrNull(Common.Constants.PidUriTemplate.HasPidUriTemplateIdType, true);
if (!string.IsNullOrWhiteSpace(idTypeProp))
{
result.IdType = _metadataService.GetPrefLabelForEntity(idTypeProp);
}
string suffixProp = pidUriTemplate.Properties.GetValueOrNull(Common.Constants.PidUriTemplate.HasPidUriTemplateSuffix, true);
if (!string.IsNullOrWhiteSpace(suffixProp))
{
result.Suffix = _metadataService.GetPrefLabelForEntity(suffixProp);
}
result.BaseUrl = pidUriTemplate.Properties.GetValueOrNull(Common.Constants.PidUriTemplate.HasBaseUrl, true) ?? string.Empty;
result.Route = pidUriTemplate.Properties.GetValueOrNull(Common.Constants.PidUriTemplate.HasRoute, true) ?? string.Empty;
int.TryParse(pidUriTemplate.Properties.GetValueOrNull(Common.Constants.PidUriTemplate.HasIdLength, true) ?? "0", out int idLength);
result.IdLength = idLength;
return(result);
}
public async Task <ValidationResult> ValidateEntity(Entity entity, IList <MetadataProperty> metadataProperties)
{
var resourceGraph = GetResourceGraph(entity, metadataProperties);
var shapesGraph = GetShapesGraph();
var processor = new ShapesGraph(shapesGraph);
var report = processor.Validate(resourceGraph);
var validationResult = CreateValidationResult(report);
return(await Task.FromResult(validationResult));
}
/// <summary>
/// has side effects! updates triplestore
/// </summary>
/// <param name="entity"></param>
/// <param name="metadataProperties"></param>
/// <returns></returns>
public async Task <ValidationResult> ValidateEntity(Entity entity, IList <MetadataProperty> metadataProperties)
{
var resourceGraph = GetResourceGraph(entity, metadataProperties);
var shapesGraph = GetShapesGraph();
var processor = new ShapesGraph(shapesGraph);
var report = processor.Validate(resourceGraph);
var validationResult = CreateValidationResult(report);
NTriplesWriter rdfNTriplesWriter = new NTriplesWriter();
validationResult.Triples = VDS.RDF.Writing.StringWriter.Write(resourceGraph, rdfNTriplesWriter);
return(await Task.FromResult(validationResult));
}
/// <summary>
/// Converts the entity into an rdf graph
/// </summary>
/// <param name="entity">Entity to be converted</param>
/// <param name="metadataProperties">Metadata of the entity to be converted</param>
/// <returns>RDf graph of entity</returns>
private IGraph GetResourceGraph(Entity entity, IList <MetadataProperty> metadataProperties)
{
var store = new TripleStore();
//Create InsertString from resource
if (metadataProperties.IsNullOrEmpty())
{
string entityType = entity.Properties.GetValueOrNull(Graph.Metadata.Constants.RDF.Type, true).ToString();
metadataProperties = _metadataService.GetMetadataForEntityType(entityType);
}
var resourceInsertString = _entityRepository.GenerateInsertQuery(entity, metadataProperties, string.Empty, null);
store.ExecuteUpdate(resourceInsertString.ToString());
return(store.Graphs.FirstOrDefault());
}
private void RemoveEndpointFromProperties(Entity resource, Uri distributionEndpointPidUri)
{
// Remove distribution endpoint from pid entry
if (resource.Properties.TryGetValue(Graph.Metadata.Constants.Resource.Distribution, out List <dynamic> endpoints))
{
int indexToRemove = 0;
bool indexSet = false;
var index = 0;
foreach (var endpoint in endpoints)
{
if (DynamicExtension.IsType <Entity>(endpoint, out Entity distributionEndpoint))
{
if (distributionEndpoint.Properties.TryGetValue(EnterpriseCore.PidUri, out List <dynamic> pidUriValue))
{
Entity pidUriEntity = pidUriValue.FirstOrDefault();
if (pidUriEntity.Id == distributionEndpointPidUri.ToString())
{
indexToRemove = index;
indexSet = true;
break;
}
}
}
index++;
}
if (indexSet)
{
endpoints.RemoveAt(indexToRemove);
if (!endpoints.Any())
{
resource.Properties.Remove(Graph.Metadata.Constants.Resource.Distribution);
}
else
{
resource.Properties[Graph.Metadata.Constants.Resource.Distribution] = endpoints;
}
}
}
}
