public TaxonomyTree(ILog log, TaxonRepository repo, RelationService relationSrv, int rootId)
{
this.log = log;
this.rootId = rootId;
this.repo = repo;
this.relationSrv = relationSrv;
rootEntity = repo.Get(rootId);
if (rootEntity == null)
{
if (rootId == 1)
{
rootEntity = new TaxonEntity()
{
Name = "Root",
Description = "Root node - parent of all taxon entries"
};
repo.Save(rootEntity);
}
else
{
throw new Exception("Root node is not found");
}
}
rootNode = new TaxonomyNode(this, rootEntity);
}
internal TaxonomyNode AddChildTo(TaxonomyNode taxon, string name, string description)
{
if (taxon.IsDetached)
{
throw new Exception(String.Format("Taxon '{0}' is detached", taxon.Name));
}
if (taxon.Children.Any(x => x.Name == name))
{
throw new DataLayerException("Duplicate taxon name in node");
}
var entity = new TaxonEntity()
{
Name = name,
Description = description
};
repo.Save(entity);
relationSrv.AddRelation(taxon.entity, entity, RelationDirection.Forward, rootNode);
var newNode = new TaxonomyNode(this, entity)
{
parent = taxon
};
taxon.children.Add(newNode);
return(newNode);
}