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29 lines
894 B
29 lines
894 B
class LanguagesController < ApplicationController
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def index
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redirect_to locale_root_path(locale: first_matching_language)
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end
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private
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def first_matching_language
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accept_languages = request.env["HTTP_ACCEPT_LANGUAGE"].to_s.split(",").map { |l|
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lang, q_factor = l.split(";q=")
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[ lang, (q_factor || "1").to_f ]
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}.sort_by { |_, q| -q }.map(&:first)
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available_languages = I18n.t("languages").keys.map(&:to_s)
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accept_languages.each do |lang|
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return lang if available_languages.include?(lang)
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lang_part = lang.split("-").first
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if available_languages.include?(lang_part)
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return lang_part
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else
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wildcard_match = available_languages.find { |l| l.start_with?("#{lang_part}-") }
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return wildcard_match if wildcard_match
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end
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end
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"en"
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end
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end
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