public virtual AbstractEntityBuilder <T> WithPidUri(string pidUriString, string uriTemplate = "https://pid.bayer.com/kos/19050#cb849b80-6d00-4c3a-8810-6e4f91ee0cd1")
{
// Create properties for Pid Uri
IDictionary <string, List <dynamic> > pidUriProp = new Dictionary <string, List <dynamic> >();
pidUriProp.Add(RDF.Type, new List <dynamic>()
{
Identifier.Type
});
if (!string.IsNullOrWhiteSpace(uriTemplate))
{
pidUriProp.Add(Identifier.HasUriTemplate, new List <dynamic>()
{
uriTemplate
});
}
// Create Entity and assign properties to PID Uri
Entity pidUri = new Entity(pidUriString, pidUriProp);
// Create properties for resource
CreateOrOverwriteProperty(EnterpriseCore.PidUri, pidUri);
return(this);
}
private IList <string> GetAllIdentifiersOfResource(Entity entity)
{
IList <string> pidUris = new List <string>();
if (entity != null)
{
foreach (var property in entity.Properties)
{
if (property.Key == Graph.Metadata.Constants.EnterpriseCore.PidUri ||
property.Key == Graph.Metadata.Constants.Resource.BaseUri)
{
pidUris.Add(property.Value?.FirstOrDefault()?.Id);
}
else if (property.Key == Graph.Metadata.Constants.Resource.Distribution ||
property.Key == Graph.Metadata.Constants.Resource.MainDistribution)
{
foreach (var prop in property.Value)
{
if (DynamicExtension.IsType <Entity>(prop, out Entity parsedProp))
{
IList <string> nestedUris = GetAllIdentifiersOfResource(parsedProp);
pidUris.AddRange(nestedUris);
}
}
}
}
}
return(pidUris.Where(uri => !string.IsNullOrWhiteSpace(uri)).ToList());
}
private IList <UrlCheckingCTO> GetIdentifierAndTargetUrls(Entity resource)
{
var identifiers = new List <UrlCheckingCTO>();
foreach (var property in resource.Properties)
{
foreach (var prop in property.Value)
{
if (property.Key == Graph.Metadata.Constants.Resource.DistributionEndpoints.HasNetworkAddress)
{
identifiers.Add(new UrlCheckingCTO(property.Key, resource.Id, prop));
}
else if (DynamicExtension.IsType <Entity>(prop, out Entity parsedProp))
{
if (property.Key == Graph.Metadata.Constants.EnterpriseCore.PidUri || property.Key == Graph.Metadata.Constants.Resource.BaseUri)
{
if (!string.IsNullOrWhiteSpace(parsedProp.Id))
{
identifiers.Add(new UrlCheckingCTO(property.Key, resource.Id, parsedProp.Id));
}
}
else
{
identifiers.AddRange(GetIdentifierAndTargetUrls(parsedProp));
}
}
}
}
return(identifiers);
}
private IList <ValidationResultProperty> CheckDuplicatesInRepository(Entity resource, string resourceId, string previousVersion)
{
var duplicateErrors = new List <ValidationResultProperty>();
var pidUriResults = GetDuplicateResultsByIdentifierType(Graph.Metadata.Constants.EnterpriseCore.PidUri, resource, out var pidUri);
var baseUriResults = GetDuplicateResultsByIdentifierType(Graph.Metadata.Constants.Resource.BaseUri, resource, out var baseUri);
var targetUriResults = GetDuplicateResultsByTargetUri(resource, out var targetUri);
// allow the pidURI to be duplicate when changing resource type
if (pidUri != null && pidUri != string.Empty)
{
if (pidUriResults.Count == 2 && pidUriResults[0].Type != pidUriResults[1].Type && resource.Id != null)
{
pidUriResults.Clear();
}
}
// TODO: Piduri has no entry then duplicate, or if entry/entryDraft is not actual resource
if (CheckIdentifierIsDuplicate(pidUriResults, resource, resourceId, out bool orphanedPid))
{
var message = orphanedPid ? Common.Constants.Validation.DuplicateFieldOrphaned : Common.Constants.Validation.DuplicateField;
var pidUriValidationResult = new ValidationResultProperty(resource.Id, Graph.Metadata.Constants.EnterpriseCore.PidUri, pidUri, message, ValidationResultSeverity.Violation, ValidationResultPropertyType.DUPLICATE);
duplicateErrors.Add(pidUriValidationResult);
}
if (CheckBaseUriIsDuplicate(baseUriResults, resource, resourceId, pidUri, previousVersion, out bool orphanedBaseUri))
{
var message = orphanedBaseUri ? Common.Constants.Validation.DuplicateFieldOrphaned : Common.Constants.Validation.DuplicateField;
var baseUriValidatioResult = new ValidationResultProperty(resource.Id, Graph.Metadata.Constants.Resource.BaseUri, baseUri, message, ValidationResultSeverity.Violation, ValidationResultPropertyType.DUPLICATE, null);
duplicateErrors.Add(baseUriValidatioResult);
}
if (CheckIdentifierIsDuplicate(targetUriResults, resource, resourceId, out _))
{
var targetUriValidationResult = new ValidationResultProperty(resource.Id, Graph.Metadata.Constants.Resource.DistributionEndpoints.HasNetworkAddress, targetUri, Common.Constants.Validation.DuplicateField, ValidationResultSeverity.Info, ValidationResultPropertyType.DUPLICATE);
duplicateErrors.Add(targetUriValidationResult);
}
foreach (var property in resource.Properties)
{
// TODO: Check metadata property type is permanent identifier
if (property.Key != Graph.Metadata.Constants.EnterpriseCore.PidUri && property.Key != Graph.Metadata.Constants.Resource.BaseUri)
{
foreach (var prop in property.Value)
{
if (DynamicExtension.IsType <Entity>(prop, out Entity entity))
{
duplicateErrors.AddRange(CheckDuplicatesInRepository(entity, resourceId, string.Empty));
}
}
}
}
return(duplicateErrors);
}
/// <summary>
/// Delete all Identifiers, that belong to a resource.
/// </summary>
/// <param name="resource">The resource to delete from</param>
public void DeleteAllUnpublishedIdentifiers(Entity resource)
{
if (null == resource)
{
throw new ArgumentNullException(nameof(resource), Common.Constants.Messages.Resource.NullResource);
}
var actualPidUris = GetAllIdentifiersOfResource(resource);
foreach (var uri in actualPidUris)
{
_identifierRepository.Delete(new Uri(uri), GetResourceDraftInstanceGraph());
}
}
private IList <DuplicateResult> GetDuplicateResultsByTargetUri(Entity resource, out string targetUri)
{
targetUri = string.Empty;
if (resource.Properties.ContainsKey(Graph.Metadata.Constants.Resource.DistributionEndpoints.HasNetworkAddress))
{
string duplicateRequestTargetUri = resource.Properties.GetValueOrNull(Graph.Metadata.Constants.Resource.DistributionEndpoints.HasNetworkAddress, true);
if (!string.IsNullOrWhiteSpace(duplicateRequestTargetUri))
{
targetUri = duplicateRequestTargetUri;
return(CheckTargetUriDuplicate(duplicateRequestTargetUri));
}
}
return(new List <DuplicateResult>());
}
private IList <DuplicateResult> GetDuplicateResultsByIdentifierType(string identifierType, Entity resource, out string identifier)
{
identifier = string.Empty;
if (resource.Properties.ContainsKey(identifierType))
{
Entity duplicateRequestEntity = resource.Properties.GetValueOrNull(identifierType, true);
if (duplicateRequestEntity != null && !string.IsNullOrWhiteSpace(duplicateRequestEntity.Id))
{
identifier = duplicateRequestEntity.Id;
return(_identifierService.GetPidUriIdentifierOccurrences(duplicateRequestEntity.Id));
}
}
return(new List <DuplicateResult>());
}
private bool ResourceValueChanged(List <dynamic> firstValue, List <dynamic> secondValue)
{
if (firstValue.Count != secondValue.Count)
{
return(true);
}
else
{
for (int i = 0; i < firstValue.Count; i++)
{
firstValue.Sort();
secondValue.Sort();
string firstString;
string secondString;
if (!(firstValue[i] is string || secondValue[i] is string))
{
Entity entity = firstValue[i];
Entity entity2 = secondValue[i];
entity2.Properties = entity2.Properties.Where(x => x.Value.Count > 0).ToDictionary(x => x.Key, x => x.Value);
var entityProps = entity.Properties.Where(x => x.Key != COLID.Graph.Metadata.Constants.EnterpriseCore.PidUri).ToList().OrderBy(x => x.Key).ToDictionary(t => t.Key, t => t.Value);
var entityProps2 = entity2.Properties.Where(x => x.Key != COLID.Graph.Metadata.Constants.EnterpriseCore.PidUri).ToList().OrderBy(x => x.Key).ToDictionary(t => t.Key, t => t.Value);
firstString = JsonConvert.SerializeObject(entityProps).ToString(); //entity.ToString();
secondString = JsonConvert.SerializeObject(entityProps2).ToString(); //entity2.ToString();
}
else
{
firstString = firstValue[i].ToString();
secondString = secondValue[i].ToString();
}
using SHA256 sha256 = SHA256.Create();
var computedHash = HashGenerator.GetHash(sha256, firstString);
var computedHash2 = HashGenerator.GetHash(sha256, secondString);
if (computedHash != computedHash2)
{
return(true);
}
}
}
return(false);
}
private IList <string> GetMatchingPidUris(Entity resource, string regexForExistingPidUris)
{
var matchingPidUris = new List <string>();
var activePidUris = _pidUriTemplateRepository.GetMatchingPidUris(regexForExistingPidUris, _metadataService.GetInstanceGraph(COLID.Graph.Metadata.Constants.PIDO.PidConcept), _metadataService.GetInstanceGraph("draft"));
matchingPidUris.AddRange(activePidUris);
Entity resourcePidUri = resource.Properties.GetValueOrNull(Graph.Metadata.Constants.EnterpriseCore.PidUri, true);
Entity resourceBaseUri = resource.Properties.GetValueOrNull(Graph.Metadata.Constants.Resource.BaseUri, true);
if (!string.IsNullOrWhiteSpace(resourcePidUri?.Id))
{
matchingPidUris.Add(resourcePidUri.Id);
}
if (!string.IsNullOrWhiteSpace(resourceBaseUri?.Id))
{
matchingPidUris.Add(resourceBaseUri.Id);
}
foreach (var property in resource.Properties)
{
foreach (var prop in property.Value)
{
if (DynamicExtension.IsType <Entity>(prop, out Entity entity))
{
Entity nestedPidUri = entity.Properties.GetValueOrNull(Graph.Metadata.Constants.EnterpriseCore.PidUri, true);
if (nestedPidUri != null && !string.IsNullOrWhiteSpace(nestedPidUri.Id) && Regex.IsMatch(nestedPidUri.Id, regexForExistingPidUris))
{
matchingPidUris.Add(nestedPidUri.Id);
}
Entity nestedBaseUri = entity.Properties.GetValueOrNull(Graph.Metadata.Constants.Resource.BaseUri, true);
if (nestedBaseUri != null && !string.IsNullOrWhiteSpace(nestedBaseUri.Id) && Regex.IsMatch(nestedBaseUri.Id, regexForExistingPidUris))
{
matchingPidUris.Add(nestedBaseUri.Id);
}
}
}
}
return(matchingPidUris);
}
/// <summary>
/// Checks if the base uri in format of an uri is unique with one exception:
///
/// The base uri may only be the same across different versions of an entry.
/// </summary>
/// <param name="baseUriResults">All found entries with the same identifier</param>
/// <param name="resource">Id of the entity to be checked</param>
/// <param name="resourceId">Resource id of the main entry (parent entry id)</param>
/// <param name="pidUri">Pid uri of resource to be checked</param>
/// <param name="previousVersion">Pid uri of the previous version of the resource to be checked</param>
private bool CheckBaseUriIsDuplicate(IList <DuplicateResult> baseUriResults, Entity resource, string resourceId, string pidUri, string previousVersion, out bool orphanedBaseUri)
{
string resourceType = resource.Properties.GetValueOrNull(Graph.Metadata.Constants.RDF.Type, true);
orphanedBaseUri = false;
if (baseUriResults.IsNullOrEmpty())
{
return(false);
}
else if (baseUriResults.IsAnyDraftAndPublishedNull() || baseUriResults.IsAnyWithDifferentIdentifierType(Graph.Metadata.Constants.Resource.BaseUri))
{
orphanedBaseUri = true;
return(true);
}
else if (string.IsNullOrWhiteSpace(resourceId) && string.IsNullOrWhiteSpace(previousVersion))
{
return(true);
}
var resourceVersions = GetVersions(pidUri, previousVersion);
if (!baseUriResults.Any(result => resourceVersions.Any(version => result.Published == version.Id || result.Draft == version.Id)))
{
if (baseUriResults.IsAnyDraftAndPublishedNotEqualToIdentifier(resourceId))
{
return(true);
}
else if (baseUriResults.Any() && string.IsNullOrWhiteSpace(resourceId))
{
return(true);
}
else if (baseUriResults.IsAnyResultEqualToIdentifierAndHasDifferentType(resourceId, resourceType))
{
return(true);
}
}
return(false);
}
public IList <ValidationResultProperty> CheckDuplicates(Entity resource, string resourceId, string previousVersion)
{
var duplicateErrors = CheckDuplicatesInRepository(resource, resourceId, previousVersion);
// Create a flatten list of all pid, base and target uris of the given resource
var urls = GetIdentifierAndTargetUrls(resource);
// Group the flatten lists by uris to find duplicates inside of this (not yet) saved/published resource
var groupedPidUris = urls.GroupBy(r => r.Url).Where(r => r.Count() > 1);
foreach (var group in groupedPidUris)
{
duplicateErrors = duplicateErrors.Concat(group.Select(r =>
{
if (r.PropertyKey == Graph.Metadata.Constants.Resource.DistributionEndpoints.HasNetworkAddress)
{
return(new ValidationResultProperty(r.EntityId, r.PropertyKey, group.Key, $"This Target URI is identical with {group.Count() - 1} other Target URI of this entry", ValidationResultSeverity.Info, ValidationResultPropertyType.DUPLICATE));
}
return(new ValidationResultProperty(r.EntityId, r.PropertyKey, group.Key, $"This identifier is identical with {group.Count() - 1} other identifier of this entry", ValidationResultSeverity.Violation, ValidationResultPropertyType.DUPLICATE));
}
)).ToList();
}
return(duplicateErrors);
}
public async Task <Resource> AddAdditionalsAndRemovals(Entity Published, Entity DraftToBePublished)
{
if (Published.Properties[COLID.Graph.Metadata.Constants.EnterpriseCore.PidUri][0].Id != DraftToBePublished.Properties[COLID.Graph.Metadata.Constants.EnterpriseCore.PidUri][0].Id)
{
throw new BusinessException("The resources to be compared do not have the same PidUri");
}
List <string> ignoredProperties = new List <string>();
ignoredProperties.Add(COLID.Graph.Metadata.Constants.Resource.HasEntryLifecycleStatus);
ignoredProperties.Add(COLID.Graph.Metadata.Constants.Resource.HasRevision);
ignoredProperties.Add(COLID.Graph.Metadata.Constants.EnterpriseCore.PidUri);
ignoredProperties.Add(COLID.Graph.Metadata.Constants.Resource.HasSourceID);
if (DraftToBePublished.Properties.ContainsKey(COLID.Graph.Metadata.Constants.Resource.BaseUri) == Published.Properties.ContainsKey(COLID.Graph.Metadata.Constants.Resource.BaseUri))
{
ignoredProperties.Add(COLID.Graph.Metadata.Constants.Resource.BaseUri);
}
ignoredProperties.AddRange(COLID.Graph.Metadata.Constants.Resource.LinkTypes.AllLinkTypes);
var existingRevisions = Published.Properties.TryGetValue(COLID.Graph.Metadata.Constants.Resource.HasRevision, out List <dynamic> revisionValues) ? revisionValues : new List <dynamic>();
//IList <MetadataProperty> allMetaData = _metadataService.GetMetadataForEntityType(Published.Properties.GetValueOrNull(COLID.Graph.Metadata.Constants.RDF.Type, true));
List <MetadataProperty> allMetaData = _metadataService.GetMetadataForEntityTypeInConfig(Published.Properties.GetValueOrNull(COLID.Graph.Metadata.Constants.RDF.Type, true), Published.Properties.GetValueOrNull(COLID.Graph.Metadata.Constants.Resource.MetadataGraphConfiguration, true));
List <string> allMetaDataKeys = allMetaData.Select(x => x.Key).ToList();
List <MetadataProperty> allMetaData2 = _metadataService.GetMetadataForEntityTypeInConfig(DraftToBePublished.Properties.GetValueOrNull(COLID.Graph.Metadata.Constants.RDF.Type, true), DraftToBePublished.Properties.GetValueOrNull(COLID.Graph.Metadata.Constants.Resource.MetadataGraphConfiguration, true));
allMetaData.AddRange(allMetaData2.Where(x => !allMetaDataKeys.Contains(x.Key)).Select(y => y));
Dictionary <string, List <dynamic> > additionals = new Dictionary <string, List <dynamic> >();
Dictionary <string, List <dynamic> > removals = new Dictionary <string, List <dynamic> >();
foreach (var metadata in allMetaData)
{
if (ignoredProperties.Contains(metadata.Key))
{
continue;
}
if (Published.Properties.TryGetValue(metadata.Key, out List <dynamic> firstValue) && DraftToBePublished.Properties.TryGetValue(metadata.Key, out List <dynamic> secondValue))
{
if (ResourceValueChanged(firstValue, secondValue))
{
additionals.Add(metadata.Key, secondValue);
removals.Add(metadata.Key, firstValue);
}
}
else if (Published.Properties.TryGetValue(metadata.Key, out List <dynamic> OnlyfirstValue) && !DraftToBePublished.Properties.TryGetValue(metadata.Key, out List <dynamic> NotsecondValue))
{
removals.Add(metadata.Key, OnlyfirstValue);
}
else if (!Published.Properties.TryGetValue(metadata.Key, out List <dynamic> NotfirstValue) && DraftToBePublished.Properties.TryGetValue(metadata.Key, out List <dynamic> OnlysecondValue))
{
additionals.Add(metadata.Key, OnlysecondValue);
}
else
{
continue;
}
}
Resource resource = UpdateResourceProperties(additionals, removals, _mapper.Map <Resource>(Published));
//if(additionals.Count==1 && removals.Count==1 && additionals.ContainsKey(COLID.Graph.Metadata.Constants.Resource.DateModified))
string pattern = @"[^Rev]+$";
Regex rg = new Regex(pattern);
var revList = existingRevisions.Select(x => Int32.Parse(rg.Match(x).Value)).ToList();
var max = revList.Max();
string revisionGraphPrefix = Published.Id + "Rev" + (max + 1);
_resourceRepository.CreateProperty(new Uri(Published.Id), new Uri(COLID.Graph.Metadata.Constants.Resource.HasRevision), revisionGraphPrefix, GetResourceInstanceGraph());
(additionals, removals) = GetFinalAdditionalsAndRemovals(additionals, removals);
_resourceRepository.CreateAdditionalsAndRemovalsGraphs(additionals, removals, allMetaData, Published.Id, revisionGraphPrefix); //letzte revisionwert rausnehmen, counter erhöhen und damit dann die graphen erstellen
return(resource);
}
private (Dictionary <string, List <dynamic> > additionals, Dictionary <string, List <dynamic> > removals) GetFinalAdditionalsAndRemovals(Dictionary <string, List <dynamic> > additionals, Dictionary <string, List <dynamic> > removals)
{
Dictionary <string, List <dynamic> > final_additionals = new Dictionary <string, List <dynamic> >();
Dictionary <string, List <dynamic> > final_removals = new Dictionary <string, List <dynamic> >();
List <string> joinedKeys = additionals.Keys.Where(x => removals.Keys.Contains(x)).ToList();
final_additionals.AddRange(additionals.Where(y => !joinedKeys.Contains(y.Key)).ToList());
final_removals.AddRange(removals.Where(y => !joinedKeys.Contains(y.Key)).ToList());
foreach (var key in joinedKeys)
{
List <dynamic> AdditionalValues = additionals.GetValueOrDefault(key) != null?additionals.GetValueOrDefault(key) : new List <dynamic>();
List <dynamic> RemovalValues = removals.GetValueOrDefault(key) != null?removals.GetValueOrDefault(key) : new List <dynamic>();
List <dynamic> newAdditionalValues = new List <dynamic>();
List <dynamic> newRemovalValues = new List <dynamic>();
foreach (var value in AdditionalValues)
{
if (value.GetType().Name != "Entity")
{
if (!RemovalValues.Contains(value))
{
newAdditionalValues.Add(value);
}
}
else
{
Entity entity = value;
Entity entity2 = RemovalValues.Where(x => x.Id == entity.Id).FirstOrDefault();
entity2 = entity2 != null ? entity2 : new Entity();
var entityProps = entity.Properties.Where(x => x.Key != COLID.Graph.Metadata.Constants.EnterpriseCore.PidUri).ToList().OrderBy(x => x.Key).ToDictionary(t => t.Key, t => t.Value);
var entityProps2 = entity2.Properties.Where(x => x.Key != COLID.Graph.Metadata.Constants.EnterpriseCore.PidUri).ToList().OrderBy(x => x.Key).ToDictionary(t => t.Key, t => t.Value);
var firstString = JsonConvert.SerializeObject(entityProps).ToString(); //entity.ToString();
var secondString = JsonConvert.SerializeObject(entityProps2).ToString(); //entity2.ToString();
using SHA256 sha256 = SHA256.Create();
var computedHash = HashGenerator.GetHash(sha256, firstString);
var computedHash2 = HashGenerator.GetHash(sha256, secondString);
if (computedHash != computedHash2)
{
newAdditionalValues.Add(value);
}
}
}
foreach (var value in RemovalValues)
{
if (value.GetType().Name != "Entity")
{
if (!AdditionalValues.Contains(value))
{
newRemovalValues.Add(value);
}
}
else
{
Entity entity = value;
Entity entity2 = AdditionalValues.Where(x => x.Id == entity.Id).FirstOrDefault();
entity2 = entity2 != null ? entity2 : new Entity();
var entityProps = entity.Properties.Where(x => x.Key != COLID.Graph.Metadata.Constants.EnterpriseCore.PidUri).ToList().OrderBy(x => x.Key).ToDictionary(t => t.Key, t => t.Value);
var entityProps2 = entity2.Properties.Where(x => x.Key != COLID.Graph.Metadata.Constants.EnterpriseCore.PidUri).ToList().OrderBy(x => x.Key).ToDictionary(t => t.Key, t => t.Value);
var firstString = JsonConvert.SerializeObject(entityProps).ToString(); //entity.ToString();
var secondString = JsonConvert.SerializeObject(entityProps2).ToString(); //entity2.ToString();
using SHA256 sha256 = SHA256.Create();
var computedHash = HashGenerator.GetHash(sha256, firstString);
var computedHash2 = HashGenerator.GetHash(sha256, secondString);
if (computedHash != computedHash2)
{
newRemovalValues.Add(value);
}
}
}
final_additionals.Add(key, newAdditionalValues);
final_removals.Add(key, newRemovalValues);
}
return(final_additionals, final_removals);
}
public string GenerateIdentifierFromTemplate(PidUriTemplateFlattened pidUriTemplateFlat, Entity resource)
{
string prefix = pidUriTemplateFlat.BaseUrl + pidUriTemplateFlat.Route;
int idLength = pidUriTemplateFlat.IdLength;
string id;
if (pidUriTemplateFlat.IdType == Common.Constants.PidUriTemplateIdType.Guid)
{
id = Guid.NewGuid().ToString();
}
else if (pidUriTemplateFlat.IdType == Common.Constants.PidUriTemplateIdType.Number)
{
var regexForExistingPidUris = pidUriTemplateFlat.GetRegex();
var existingPidUrisForTemplate = GetMatchingPidUris(resource, regexForExistingPidUris);
existingPidUrisForTemplate.AddRange(GeneratedIdentifier.Where(t => Regex.IsMatch(t, regexForExistingPidUris)));
var pidUriNumbers = existingPidUrisForTemplate
.SelectMany(e => Regex.Matches(e, regexForExistingPidUris).Select(r => r.Groups[1]?.Value))
.Select(s =>
{
long pidUriAsNumber = -1;
long.TryParse(s, out pidUriAsNumber);
return(pidUriAsNumber);
})
.OrderBy(d => d);
long nextFreeNumber = 1;
foreach (double number in pidUriNumbers)
{
if (number < nextFreeNumber)
{
// in case we start at negative value
continue;
}
else if (number == nextFreeNumber)
{
// move forward and check next number
nextFreeNumber++;
}
else if (number > nextFreeNumber)
{
// found a free spot
break;
}
}
if (idLength > 0)
{
if (nextFreeNumber.ToString().Count() > idLength)
{
throw new System.Exception($"Next free id number '{nextFreeNumber}' exceeds the defined id length of '{idLength}'.");
}
var format = "D" + idLength;
id = nextFreeNumber.ToString(format);
}
else
{
id = nextFreeNumber.ToString();
}
}
else
{
throw new System.Exception($"Unrecognized id type {pidUriTemplateFlat.IdType}.");
}
var pidUri = prefix + id + pidUriTemplateFlat.Suffix;
return(pidUri);
}
/// <summary>
/// Calculates for resource properties with NodeKind IRI and nested metadata the difference between all subproperties in the list.
/// </summary>
/// <param name="metadataComparisonProperty">The current metadata property to compare in the given resources</param>
/// <param name="resources">resources to compare</param>
/// <returns>The comparison result for a specific property. While the returned key is the metadata key, the list contains the compared properties of both resources.</returns>
private IDictionary <string, IList <dynamic> > CalculateIRINestedValuesDifference(MetadataComparisonProperty metadataComparisonProperty, params Entity[] resources)
{
var propertyResults = new Dictionary <string, IList <dynamic> >();
var allFirstNestedEntities = resources[0].Properties.ContainsKey(metadataComparisonProperty.Key) ?
resources[0].Properties[metadataComparisonProperty.Key]?.Select(x => ((Entity)x)).ToList() :
null;
var allSecondNestedEntities = resources[1].Properties.ContainsKey(metadataComparisonProperty.Key) ?
resources[1].Properties[metadataComparisonProperty.Key]?.Select(x => ((Entity)x)).ToList() :
null;
if (allFirstNestedEntities != null)
{
propertyResults.Add(resources[0].Id, new List <dynamic>());
if (allSecondNestedEntities != null)
{
propertyResults.Add(resources[1].Id, new List <dynamic>());
}
// Compare all nested properties that are present in both resources.
// The existence of the nested properties is given by the fact that both nested properties have the same PID URI and
// the same resource type, e.g. Browsable Resource
foreach (var firstEntity in allFirstNestedEntities)
{
if (firstEntity.Properties.TryGetValue(Graph.Metadata.Constants.EnterpriseCore.PidUri, out List <dynamic> pidUriA))
{
var secondEntity = allSecondNestedEntities?.SingleOrDefault(b =>
{
if (b.Properties.TryGetValue(Graph.Metadata.Constants.EnterpriseCore.PidUri, out List <dynamic> pidUriB))
{
if (((Entity)pidUriA.First()).Id != ((Entity)pidUriB.First()).Id)
{
return(false);
}
if (firstEntity.Properties.TryGetValue(Graph.Metadata.Constants.RDF.Type, out List <dynamic> typeA) &&
b.Properties.TryGetValue(Graph.Metadata.Constants.RDF.Type, out List <dynamic> typeB))
{
if (typeA[0] == typeB[0])
{
return(true);
}
}
}
return(false);
});
// If the second resource has no nested property with the same PID URI,
// then add the found property to the first resource, mark all sub properties as deleted
// and continue with the next property
if (secondEntity == null)
{
// TODO SL: set all entries in entityA to <diffDel>
propertyResults[resources[0].Id].Add(firstEntity);
continue;
}
// If both properties are found with the same PID URI and the same resource type,
// compare all sub - properties using the resource metadata and calculate the differences
if (firstEntity.Properties.TryGetValue(Graph.Metadata.Constants.RDF.Type, out List <dynamic> typeA))
{
var metadata = metadataComparisonProperty.NestedMetadata.First(m => m.Key == typeA.First());
var firstComparedEntity = new Entity()
{
Id = firstEntity.Id
};
var secondComparedEntity = new Entity()
{
Id = secondEntity.Id
};
foreach (var prop in metadata.Properties)
{
try
{
if (prop.Key == Graph.Metadata.Constants.EnterpriseCore.PidUri)
{
firstComparedEntity.Properties.Add(prop.Key, firstEntity.Properties[Graph.Metadata.Constants.EnterpriseCore.PidUri]);
secondComparedEntity.Properties.Add(prop.Key, secondEntity.Properties[Graph.Metadata.Constants.EnterpriseCore.PidUri]);
continue;
}
var compareResult = CalculateLiteralValuesDifference(prop.Key, new Entity[] { firstEntity, secondEntity });
firstComparedEntity.Properties.Add(prop.Key, compareResult[firstEntity.Id].ToList());
secondComparedEntity.Properties.Add(prop.Key, compareResult[secondEntity.Id].ToList());
}
catch (KeyNotFoundException)
{
}
}
propertyResults[resources[0].Id].Add(firstComparedEntity);
propertyResults[resources[1].Id].Add(secondComparedEntity);
}
}
}
}
// In the previous comparison it was ignored that there are properties of the second resource
// that were not present in the first one. These must now be added and all sub properties must be marked as inserted.
var secondEntitiesNotFoundInFirst = allSecondNestedEntities?.Where(b => {
if (b.Properties.TryGetValue(Graph.Metadata.Constants.EnterpriseCore.PidUri, out List <dynamic> pidUriB))
{
if (allFirstNestedEntities.Any(a => ((Entity)a.Properties[Graph.Metadata.Constants.EnterpriseCore.PidUri].First()).Id == ((Entity)pidUriB.First()).Id))
{
return(false);
}
return(true);
}
return(false);
});
if (secondEntitiesNotFoundInFirst != null)
{
// TODO SL: set all entries in entity to <diffIns>
propertyResults[resources[1].Id].AddRange(secondEntitiesNotFoundInFirst);
}
return(propertyResults);
}
/// <summary>
/// Checks if an identifier in format of an uri is unique.
/// The base uri is a special kind of identifier and is therefore checked separately.
/// </summary>
/// <param name="pidUriResults">All found entries with the same identifier</param>
/// <param name="resource">Id of the entity to be checked</param>
/// <param name="resourceId">Resource id of the main entry (parent entry id)</param>
/// <returns></returns>
private bool CheckIdentifierIsDuplicate(IList <DuplicateResult> pidUriResults, Entity resource, string resourceId, out bool orphaned)
{
string resourceType = resource.Properties.GetValueOrNull(Graph.Metadata.Constants.RDF.Type, true);
orphaned = false;
if (pidUriResults.IsNullOrEmpty())
{
return(false);
}
else if (pidUriResults.IsAnyDraftAndPublishedNull())
{
orphaned = true;
return(true);
}
else if (string.IsNullOrWhiteSpace(resourceId))
{
return(true);
}
else if (pidUriResults.IsAnyDraftAndPublishedNotEqualToIdentifier(resourceId))
{
return(true);
}
else if (pidUriResults.IsAnyResultEqualToIdentifierAndHasDifferentType(resourceId, resourceType))
{
return(true);
}
return(false);
}