Module: Hierarchy::ClassMethods

Defined in:
lib/hierarchy.rb

Instance Method Summary collapse

Instance Method Details

#treeified ⇒ Hash<ActiveRecord::Base, Hash<...>>

Returns All models organized into a tree structure. Returns a hash where each key is a tree root, and the values are themselves hashes whose keys are the children of the respective model.

Returns:

  • (Hash<ActiveRecord::Base, Hash<...>>) —

    All models organized into a tree structure. Returns a hash where each key is a tree root, and the values are themselves hashes whose keys are the children of the respective model.



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# File 'lib/hierarchy.rb', line 53

def treeified(root=nil, objects=nil)
  path = root ? root.content.my_path : ''
  root ||= Node.new(nil)
  objects ||= order('id ASC').all.sort_by { |o| [ o.index_path, o.id ] }

  while objects.first and objects.first.path == path
    child = objects.shift
    root << Node.new(child)
  end

  root.children.each do |child|
    treeified child, objects
  end

  return root
end