public void Transform_UpdateDocument_To_Delta_OneField()
{
// Arrange
var updateDocument = new UpdateDocument
{
Data = new Dictionary<string, object>
{
{
"posts", JObject.FromObject(new PostUpdateOneField()
{
Title = "Food"
})
}
}
};
var configuration = (new ConfigurationBuilder())
.Resource<Post>()
.WithSimpleProperty(x => x.AuthorId)
.WithSimpleProperty(x => x.Id)
.WithSimpleProperty(x => x.Title);
var context = new Context { Configuration = configuration.ConfigurationBuilder.Build() };
var sut = new JsonApiTransformer() { TransformationHelper = new TransformationHelper() };
// Act
var resultDelta = sut.TransformBack(updateDocument, typeof(Post), context);
// Assert
resultDelta.ObjectPropertyValues.ContainsKey("title").ShouldBeTrue();
}
public void Transform_properties_with_reserverd_keyword()
{
var updateDocument = new UpdateDocument()
{
Data = new Dictionary<string, object>()
{
{ "posts", JObject.Parse("{ \"_id\":123, \"title\": \"someTitle\" }") }
}
};
var configuration = (new ConfigurationBuilder())
.Resource<Post>()
.WithSimpleProperty(x => x.AuthorId)
.WithSimpleProperty(x => x.Id)
.WithSimpleProperty(x => x.Title);
var context = new Context { Configuration = configuration.ConfigurationBuilder.Build() };
var sut = new JsonApiTransformer() { TransformationHelper = new TransformationHelper() };
// Act
var resultDelta = sut.TransformBack(updateDocument, typeof(Post), context);
// Assert
resultDelta.ObjectPropertyValues.ContainsKey("id").ShouldBeTrue();
}
public UpdateDocumentTypeWrapper(UpdateDocument updateDocument, Type type)
{
UpdateDocument = updateDocument;
Type = type;
}
private void ValidateUpdateDocument(UpdateDocument updateDocument)
{
if (updateDocument == null)
{
throw new JsonException("Json body can not be empty or whitespace.");
}
if (updateDocument.Data == null)
{
throw new JsonException("Json body should contain some content.");
}
}
public IDelta TransformBack(UpdateDocument updateDocument, Type type, Context context)
{
var mapping = context.Configuration.GetMapping(type);
var openGeneric = typeof(Delta<>);
var closedGenericType = openGeneric.MakeGenericType(type);
var delta = Activator.CreateInstance(closedGenericType) as IDelta;
if (delta == null)
{
return null;
}
var resourceKey = mapping.ResourceType;
if (!updateDocument.Data.ContainsKey(resourceKey))
{
return delta;
}
var resource = updateDocument.Data[resourceKey] as JObject;
if (resource == null)
{
return delta;
}
// Scan the data for which properties are only set
foreach (var propertySetter in mapping.PropertySettersExpressions)
{
JToken value;
resource.TryGetValue(propertySetter.Key, StringComparison.CurrentCultureIgnoreCase, out value);
if (value == null)
{
continue;
}
// Set only the properties that are present
var methodCallExpression = propertySetter.Value.Body as MethodCallExpression;
if (methodCallExpression != null)
{
Type returnType = methodCallExpression.Arguments[0].Type;
var resultValue = TransformationHelper.GetValue(value, returnType);
string key = propertySetter.Key.TrimStart('_');
delta.ObjectPropertyValues.Add(key, resultValue);
}
}
JToken linksToken;
resource.TryGetValue("links", StringComparison.CurrentCultureIgnoreCase, out linksToken);
JObject links = linksToken as JObject;
if (links != null)
{
foreach (var link in mapping.Relationships)
{
JToken value;
links.TryGetValue(link.RelationshipName, StringComparison.CurrentCultureIgnoreCase, out value);
if (value == null)
{
continue;
}
if (link.IsCollection)
{
var property = link.RelatedCollectionProperty;
if (property != null)
{
var resultValue = TransformationHelper.GetCollection(value, link);
string key = link.RelationshipName.TrimStart('_');
delta.ObjectPropertyValues.Add(key, resultValue);
}
}
else
{
delta.ObjectPropertyValues.Add(link.ParentResourceNavigationPropertyName, TransformationHelper.GetValue(value, link.ParentResourceNavigationPropertyType));
}
}
}
return delta;
}
