private static Relation ParseRelation(RelationDocument relationDocument, Layer layer, Graph graph)
{
Relation relation = new (relationDocument.id,
relationDocument.name,
new List <Entity>(),
layer,
new ());
if (relationDocument.referenced_entities != null)
{
foreach (Guid refEntityGuid in relationDocument.referenced_entities)
{
Entity?refEntity = graph.GetEntity(refEntityGuid);
if (refEntity != null)
{
relation.Entities.Add(refEntity);
}
else
{
Console.Error.WriteLine($"Could not find entity for guid: {refEntityGuid}");
}
}
}
if (relationDocument.properties != null)
{
foreach (var propertyDocument in relationDocument.properties)
{
var property = ParseProperty(propertyDocument);
relation.Properties.Add(property.Name, property);
}
}
return(relation);
}
private static RelationDocument MakeRelationDocument(Relation relation)
{
var referencedEntities = relation.Entities.ConvertAll(entity => entity.ID);
RelationDocument relationDocument = new RelationDocument()
{
id = relation.ID,
name = relation.Name,
referenced_entities = referencedEntities,
properties = new List <PropertyDocument>(relation.Properties.Values.Select(MakeAttributeDocument)),
};
return(relationDocument);
}