lib/locabulary/items/base.rb in locabulary-0.3.1 vs lib/locabulary/items/base.rb in locabulary-0.5.0

@@ -50,13 +50,14 @@
       # @deprecated
       attr_reader :affiliation
 
       def initialize(attributes = {})
         attribute_names.each do |key|
-          value = attributes.fetch(key) { attributes.fetch(key.to_s, nil) }
+          value = attributes[key] || attributes[key.to_s]
           send("#{key}=", value)
         end
+        @children = []
       end
 
       def to_h
         attribute_names.each_with_object({}) do |key, mem|
           mem[key.to_s] = send(key) unless send(key).to_s.strip == ''
@@ -87,19 +88,58 @@
 
       include Comparable
 
       def <=>(other)
         predicate_name_sort = predicate_name <=> other.predicate_name
-        return predicate_name_sort unless predicate_name_sort == 0
+        return predicate_name_sort unless predicate_name_sort.zero?
         presentation_sequence_sort = presentation_sequence <=> other.presentation_sequence
-        return presentation_sequence_sort unless presentation_sequence_sort == 0
+        return presentation_sequence_sort unless presentation_sequence_sort.zero?
         term_label <=> other.term_label
       end
 
       SORT_SEQUENCE_FOR_NIL = 100_000_000
       private_constant :SORT_SEQUENCE_FOR_NIL
       def presentation_sequence
         default_presentation_sequence || SORT_SEQUENCE_FOR_NIL
       end
+
+      def children
+        @children.sort
+      end
+
+      def add_child(*input)
+        @children += input
+      end
+
+      HIERARCHY_DELIMITER = '::'.freeze
+      def slugs
+        term_label.split(HIERARCHY_DELIMITER)
+      end
+
+      def self.hierarchy_delimiter
+        HIERARCHY_DELIMITER
+      end
+
+      def parent_slugs
+        slugs[0..-2]
+      end
+
+      def parent_term_label
+        parent_slugs.join(HIERARCHY_DELIMITER)
+      end
+
+      def root_slug
+        slugs[0]
+      end
+
+      def selectable?
+        children.count.zero?
+      end
+
+      def selectable_label
+        slugs[-1]
+      end
+
+      alias selectable_id id
     end
   end
 end