Created
March 9, 2015 05:53
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Display the category tree by awesome_nested_set
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| Category.roots.map do |root| | |
| tree = [] | |
| root.class.each_with_level(root.self_and_descendants) do |category, level| | |
| tree << "#{' ' * level}#{category.name}" | |
| end | |
| tree | |
| end.join("\n").display |
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