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Find All Children With Acts_as_tree

DZone's Guide to

Find All Children With Acts_as_tree

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#Find all children including grandchildren and children of their descendants recursively
#Using acts_as_tree
#inside example model Category


  def all_children
    all = []
    self.children.each do |category|
      all << category
      root_children = category.all_children.flatten
      all << root_children unless root_children.empty?
    end
    return all.flatten
  end
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