public static bool IsReverseRelationExists(this List <Relation> relations, Relation relation)
{
return
(relations.FirstOrDefault(
r =>
r.SourcePerson == relation.DestinationPerson && r.DestinationPerson == relation.SourcePerson &&
r.RelationType == relation.RelationType.GetReverseType()) != null);
}
public static Relation GetReverseRelation(this Relation relation)
{
return(new Relation
{
SourcePerson = relation.DestinationPerson,
DestinationPerson = relation.SourcePerson,
RelationType = relation.RelationType.GetReverseType()
});
}
public static Dal.Model.Relation ConvertToDalRelation(this Relation relation)
{
return(new Dal.Model.Relation
{
ParentId = relation.SourcePerson.Id,
ChildId = relation.DestinationPerson.Id,
RelationId = relation.RelationId,
RelationType = (int)relation.RelationType
});
}
public static Relation ConvertToViewRelation(this Dal.Model.Relation r, Func <int, Person> findPersonFunc)
{
var result = new Relation
{
RelationId = r.RelationId,
SourcePerson = findPersonFunc(r.ParentId),
DestinationPerson = findPersonFunc(r.ChildId),
RelationType = (RelationType)r.RelationType
};
return(result);
}