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@clee704
Created October 31, 2012 17:26
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Display proper Korean particles in error messages
# encoding: UTF-8
# Original article: http://dailyupgrade.me/post/6806676778/rubyonrails-full-messages-for-korean
# Modified to support more postpositions and client_side_validations gem.
#
# Add Korean translations like this:
# ko:
# errors:
# format: "%{message}"
# messages:
# blank: "%{attribute}((이)) 입력되지 않았습니다"
# taken: "이미 사용 중인 %{attribute}입니다"
# invalid: "잘못된 %{attribute}입니다"
# too_short: "%{attribute}((이)) 너무 짧습니다"
#
class Korean
POSTPOSITIONS = {"은" => "는", "이" => "가", "을" => "를", "과" => "와", "으로" => "로"}
def self.select_postposition(last_letter, postposition)
return postposition unless last_letter >= "가" && last_letter <= "힣"
final = last_letter.mb_chars.last.decompose[2]
if final.nil?
# 받침 없음
POSTPOSITIONS[postposition] || postposition
elsif final == "ㄹ" && (postposition == "으로" || postposition == "로")
# 'ㄹ 받침 + (으)로'를 위한 특별 규칙
"로"
else
# 받침 있음
POSTPOSITIONS.invert[postposition] || postposition
end
end
end
module ActiveModel
class Errors
old_generate_message = instance_method("generate_message")
define_method("generate_message") do |attribute, type = :invalid, options = {}|
msg = old_generate_message.bind(self).(attribute, type, options)
return msg unless I18n.locale == :ko
msg.gsub(/(?<=(.{1}))\(\((은|는|이|가|을|를|과|와|으로|로)\)\)/) do
Korean.select_postposition $1, $2
end
end
end
end
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