private TypedRelations GetPredefinedRelations(PredefinedRelationType relationType, Entity entity)
{
IEnumerable<Entity> relatedEntities = relationType.GetRelatedEntities (entity).Where (e => !e.IsDeleted);
return new TypedRelations (relationType)
{
Relations = relatedEntities.ToDictionary<Entity, Relation, Entity> (e => new Relation (), e => e)
};
}
private void AddPredefinedRelation(PredefinedRelationType relationType, Entity entity, Entity relatedEntity)
{
IEnumerable<Entity> relatedEntities = relationType.GetRelatedEntities (entity);
if (!relatedEntities.Contains (relatedEntity))
{
// Even though the type of objectiveEntities is IEnumerable<Entity>, it is sure that it is also
// ICollection<relationType.ObjectiveEntityType> so the Add method is surely found.
MethodInfo add = relatedEntities.GetType ().GetMethod ("Add");
add.Invoke (relatedEntities, new object[] { relatedEntity });
Db.SaveChanges ();
}
}