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iberianpig/id_hash.rb

Last active August 29, 2015 14:23
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3桁"/"区切りのurlを生成する。paperclipで生成されるurlをidから作る。
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id_hash.rb
#NOTE: create id_hash for paperclip's url
# e.g) photo_id = 14721; format("%09d", photo_id).split("").each_slice(3).map{ |array| array.join("") }.join("/")
# # => "000/014/721"
id_hash = format("%09d", photo_id).split("").each_slice(3).map{ |array| array.join("") }.join("/")
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