lib/redgraph/node.rb in redgraph-0.1.3 vs lib/redgraph/node.rb in redgraph-0.1.4

@@ -1,20 +1,28 @@
 # frozen_string_literal: true
 
 module Redgraph
   class Node
+    include Util
+
     attr_accessor :id, :label, :properties
 
-    def initialize(label:, properties: {})
+    def initialize(label: nil, properties: nil, id: nil)
+      @id = id
       @label = label
-      @properties = properties
+      @properties = (properties || {}).with_indifferent_access
     end
 
     def persisted?
-      !id.nil?
+      id.present?
     end
 
     def ==(other)
       super || other.instance_of?(self.class) && !id.nil? && other.id == id
+    end
+
+    def to_query_string(item_alias: 'node')
+      _label = ":#{label}" if label
+      "(#{item_alias}#{_label} #{properties_to_string(properties)})"
     end
   end
 end