public Node <Person> AddPotentialFriend(Person main, Person friend, EnterType type)
{
Logger.Out("Adding potential friend to DB: {0}", MessageType.Debug, friend.Url);
var friendNode = db.Cypher
.Merge("(person:Person { Id: {id} })")
.OnCreate()
.Set("person = {friend}")
.WithParams(new
{
id = friend.Id,
friend
}).Return(person => person.Node <Person>())
.Results
.Single();
//create
db.Cypher
.Match("(mainPerson:Person)", "(friendPerson:Person)")
.Where((Person mainPerson) => mainPerson.Id == main.Id)
.AndWhere((Person friendPerson) => friendPerson.Id == friend.Id)
.CreateUnique("mainPerson-[:" + RelationString.ToString(type) + "]->friendPerson")
.ExecuteWithoutResults();
return(friendNode);
}
public void AddRelation(Person main, Person friend, EnterType type)
{
Logger.Out("Adding relation(Ids): {0} --> {1}", MessageType.Debug, main.Id, friend.Id);
//create
_db.Cypher
.Match("(mainPerson:Person)", "(friendPerson:Person)")
.Where((Person mainPerson) => mainPerson.Id == main.Id)
.AndWhere((Person friendPerson) => friendPerson.Id == friend.Id)
.CreateUnique("mainPerson-[:" + RelationString.ToString(type) + "]->friendPerson")
.ExecuteWithoutResults();
}
public Person[] GetUsersRelated(int userId, EnterType type)
{
//match (m:Person{Id:169033204})--(f) return f
try
{
var query = _db
.Cypher
.Match("(m:Person { Id: {id},Deleted:false})-[:" + RelationString.ToString(type) + "]-(f)")
.WithParams(new
{
id = userId
}
)
.Return(f => f.As <Person>());
var res = query.Results.ToArray();
return(res);
}
catch (Exception ex)
{
Logger.Out("Query error: {0}", MessageType.Error, ex.Message);
return(null);
}
}
