Exemplo n.º 1
0
        // 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);
        }
Exemplo n.º 2
0
        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));
        }
Exemplo n.º 3
0
        /// <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));
        }
Exemplo n.º 4
0
        /// <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());
        }
Exemplo n.º 5
0
        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;
                    }
                }
            }
        }