public Task <IResourceLinkage> Deserialize(JsonReader reader, string currentPath)
{
IResourceLinkage linkage;
if (reader.TokenType == JsonToken.StartArray)
{
var array = JToken.ReadFrom(reader);
var resourceIdentifiers = array.Select(t => ReadResourceIdentifier(t, currentPath)).ToArray();
linkage = new ToManyResourceLinkage(resourceIdentifiers);
}
else if (reader.TokenType == JsonToken.StartObject)
{
var obj = JToken.ReadFrom(reader);
var resourceIdentifier = ReadResourceIdentifier(obj, currentPath);
linkage = new ToOneResourceLinkage(resourceIdentifier);
}
else if (reader.TokenType == JsonToken.Null)
{
linkage = new ToOneResourceLinkage(null);
}
else
{
throw new DeserializationException("Invalid linkage for relationship",
"Expected an array, object, or null for linkage, but got " + reader.TokenType, currentPath);
}
return(Task.FromResult(linkage));
}
public void Identifiers_is_correct_for_present_identifiers()
{
var mockIdentifier1 = new Mock <IResourceIdentifier>(MockBehavior.Strict);
mockIdentifier1.Setup(i => i.Type).Returns("countries");
mockIdentifier1.Setup(i => i.Id).Returns("1000");
var mockIdentifier2 = new Mock <IResourceIdentifier>(MockBehavior.Strict);
mockIdentifier2.Setup(i => i.Type).Returns("cities");
mockIdentifier2.Setup(i => i.Id).Returns("4000");
var linkage = new ToManyResourceLinkage(new [] { mockIdentifier1.Object, mockIdentifier2.Object });
linkage.Identifiers.Length.Should().Be(2);
linkage.Identifiers[0].Type.Should().Be("countries");
linkage.Identifiers[0].Id.Should().Be("1000");
linkage.Identifiers[1].Type.Should().Be("cities");
linkage.Identifiers[1].Id.Should().Be("4000");
}
/// <summary>
/// Creates a JSON API resource object from the given CLR object
/// </summary>
/// <param name="modelObject"></param>
/// <param name="idDictionariesByType"></param>
/// <param name="currentPath"></param>
/// <param name="includePathExpressions"></param>
/// <param name="linkBaseUrl"></param>
/// <returns></returns>
protected ResourceObject CreateResourceObject(object modelObject, IDictionary<string, IDictionary<string, ResourceObject>> idDictionariesByType,
string currentPath, string[] includePathExpressions, string linkBaseUrl)
{
if (modelObject == null) return null;
var modelObjectRuntimeType = modelObject.GetType();
var resourceTypeRegistration = _resourceTypeRegistry.GetRegistrationForType(modelObjectRuntimeType);
var attributes = new Dictionary<string, JToken>();
var relationships = new Dictionary<string, IRelationshipObject>();
foreach (var attribute in resourceTypeRegistration.Attributes)
{
var propertyValue = attribute.GetValue(modelObject);
attributes[attribute.JsonKey] = propertyValue;
}
foreach (var modelRelationship in resourceTypeRegistration.Relationships)
{
IResourceLinkage linkage = null;
var childPath = currentPath == null
? modelRelationship.JsonKey
: (currentPath + "." + modelRelationship.JsonKey);
if (includePathExpressions != null &&
includePathExpressions.Any(e => PathExpressionMatchesCurrentPath(childPath, e)))
{
if (modelRelationship.IsToMany)
{
var propertyValue =
(IEnumerable<object>)modelRelationship.Property.GetValue(modelObject);
if (propertyValue != null)
{
var identifiers = new List<IResourceIdentifier>();
foreach (var relatedResource in propertyValue)
{
var identifier = GetResourceIdentifierForResource(relatedResource);
identifiers.Add(identifier);
IDictionary<string, ResourceObject> idDictionary;
if (!idDictionariesByType.TryGetValue(identifier.Type, out idDictionary))
{
idDictionary = new Dictionary<string, ResourceObject>();
idDictionariesByType[identifier.Type] = idDictionary;
}
ResourceObject relatedResourceObject;
if (!idDictionary.TryGetValue(identifier.Id, out relatedResourceObject))
{
relatedResourceObject = CreateResourceObject(relatedResource, idDictionariesByType,
childPath, includePathExpressions, linkBaseUrl);
idDictionary[identifier.Id] = relatedResourceObject;
}
}
linkage = new ToManyResourceLinkage(identifiers.ToArray());
}
}
else
{
var relatedResource = modelRelationship.Property.GetValue(modelObject);
if (relatedResource != null)
{
var identifier = GetResourceIdentifierForResource(relatedResource);
IDictionary<string, ResourceObject> idDictionary;
if (!idDictionariesByType.TryGetValue(identifier.Type, out idDictionary))
{
idDictionary = new Dictionary<string, ResourceObject>();
idDictionariesByType[identifier.Type] = idDictionary;
}
ResourceObject relatedResourceObject;
if (!idDictionary.TryGetValue(identifier.Id, out relatedResourceObject))
{
relatedResourceObject = CreateResourceObject(relatedResource, idDictionariesByType,
childPath, includePathExpressions, linkBaseUrl);
idDictionary[identifier.Id] = relatedResourceObject;
}
linkage = new ToOneResourceLinkage(identifier);
}
else
{
linkage = new ToOneResourceLinkage(null);
}
}
}
var selfLink = _linkConventions.GetRelationshipLink(modelObject, _resourceTypeRegistry, modelRelationship, linkBaseUrl);
var relatedResourceLink = _linkConventions.GetRelatedResourceLink(modelObject, _resourceTypeRegistry, modelRelationship, linkBaseUrl);
relationships[modelRelationship.JsonKey] = new RelationshipObject(linkage, selfLink, relatedResourceLink);
}
var resourceId = resourceTypeRegistration.GetIdForResource(modelObject);
return new ResourceObject(resourceTypeRegistration.ResourceTypeName, resourceId, attributes, relationships);
}
public void Returns_corrent_LinkageToken_for_empty_identifiers()
{
var linkage = new ToManyResourceLinkage(new IResourceIdentifier[] { });
linkage.Identifiers.Length.Should().Be(0);
}
public void Returns_corrent_LinkageToken_for_null_identifiers()
{
var linkage = new ToManyResourceLinkage(null);
linkage.Identifiers.Length.Should().Be(0);
}
/// <summary>
/// Creates a JSON API resource object from the given CLR object
/// </summary>
/// <param name="modelObject"></param>
/// <param name="idDictionariesByType"></param>
/// <param name="currentPath"></param>
/// <param name="includePathExpressions"></param>
/// <param name="linkBaseUrl"></param>
/// <param name="resourceObjectMetadata"></param>
/// <returns></returns>
protected ResourceObject CreateResourceObject(object modelObject, IDictionary <string, IDictionary <string, ResourceObject> > idDictionariesByType,
string currentPath, string[] includePathExpressions, string linkBaseUrl, IDictionary <object, IMetadata> resourceObjectMetadata)
{
if (modelObject == null)
{
return(null);
}
var modelObjectRuntimeType = modelObject.GetType();
var resourceTypeRegistration = _resourceTypeRegistry.GetRegistrationForType(modelObjectRuntimeType);
var attributes = new Dictionary <string, JToken>();
var relationships = new Dictionary <string, IRelationshipObject>();
foreach (var attribute in resourceTypeRegistration.Attributes)
{
var propertyValue = attribute.GetValue(modelObject);
attributes[attribute.JsonKey] = propertyValue;
}
foreach (var modelRelationship in resourceTypeRegistration.Relationships)
{
IResourceLinkage linkage = null;
var childPath = currentPath == null
? modelRelationship.JsonKey
: (currentPath + "." + modelRelationship.JsonKey);
if (includePathExpressions != null &&
includePathExpressions.Any(e => PathExpressionMatchesCurrentPath(childPath, e)))
{
if (modelRelationship.IsToMany)
{
var propertyValue =
(IEnumerable <object>)modelRelationship.Property.GetValue(modelObject);
if (propertyValue != null)
{
var identifiers = new List <IResourceIdentifier>();
foreach (var relatedResource in propertyValue)
{
var identifier = GetResourceIdentifierForResource(relatedResource);
identifiers.Add(identifier);
IDictionary <string, ResourceObject> idDictionary;
if (!idDictionariesByType.TryGetValue(identifier.Type, out idDictionary))
{
idDictionary = new Dictionary <string, ResourceObject>();
idDictionariesByType[identifier.Type] = idDictionary;
}
ResourceObject relatedResourceObject;
if (!idDictionary.TryGetValue(identifier.Id, out relatedResourceObject))
{
relatedResourceObject = CreateResourceObject(relatedResource, idDictionariesByType,
childPath, includePathExpressions, linkBaseUrl, resourceObjectMetadata);
idDictionary[identifier.Id] = relatedResourceObject;
}
}
linkage = new ToManyResourceLinkage(identifiers.ToArray());
}
}
else
{
var relatedResource = modelRelationship.Property.GetValue(modelObject);
if (relatedResource != null)
{
var identifier = GetResourceIdentifierForResource(relatedResource);
IDictionary <string, ResourceObject> idDictionary;
if (!idDictionariesByType.TryGetValue(identifier.Type, out idDictionary))
{
idDictionary = new Dictionary <string, ResourceObject>();
idDictionariesByType[identifier.Type] = idDictionary;
}
ResourceObject relatedResourceObject;
if (!idDictionary.TryGetValue(identifier.Id, out relatedResourceObject))
{
relatedResourceObject = CreateResourceObject(relatedResource, idDictionariesByType,
childPath, includePathExpressions, linkBaseUrl, resourceObjectMetadata);
idDictionary[identifier.Id] = relatedResourceObject;
}
linkage = new ToOneResourceLinkage(identifier);
}
else
{
linkage = new ToOneResourceLinkage(null);
}
}
}
var selfLink = _linkConventions.GetRelationshipLink(modelObject, _resourceTypeRegistry, modelRelationship, linkBaseUrl);
var relatedResourceLink = _linkConventions.GetRelatedResourceLink(modelObject, _resourceTypeRegistry, modelRelationship, linkBaseUrl);
relationships[modelRelationship.JsonKey] = new RelationshipObject(linkage, selfLink, relatedResourceLink);
}
var resourceId = resourceTypeRegistration.GetIdForResource(modelObject);
IMetadata thisResourceObjectsMetadata;
if (resourceObjectMetadata != null)
{
resourceObjectMetadata.TryGetValue(modelObject, out thisResourceObjectsMetadata);
}
else
{
thisResourceObjectsMetadata = null;
}
return(new ResourceObject(resourceTypeRegistration.ResourceTypeName, resourceId, attributes, relationships, metadata: thisResourceObjectsMetadata));
}
