Module: Bp3::ActionDispatch::RequestLocale

Defined in:
lib/bp3/action_dispatch/request_locale.rb

Instance Method Summary collapse

Instance Method Details

#extract_locale ⇒ Object (private) 



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# File 'lib/bp3/action_dispatch/request_locale.rb', line 12

def extract_locale
  extract_locale_from_path ||
    extract_locale_from_params ||
    extract_locale_from_host ||
    extract_locale_from_header ||
    extract_locale_from_setting
end

#extract_locale_from_header ⇒ Object (private) 



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# File 'lib/bp3/action_dispatch/request_locale.rb', line 42

def extract_locale_from_header
  header = env['HTTP_ACCEPT_LANGUAGE']
  return if header.blank?

  languages = parse_header(header)
  sorted = languages.sort_by { |_l, q| q }.reverse
  locales = sorted.map(&:first)
  symbolized = locales.map { |l| locale_to_sym(l) }
  available = symbolized.select { |l| I18n.available_locales.include?(l) }
  locale = available.first
  @locale_from = 'header' if locale
  locale
end

#extract_locale_from_host ⇒ Object (private) 



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# File 'lib/bp3/action_dispatch/request_locale.rb', line 36

def extract_locale_from_host
  locale = locale_if_exists(host.split('.').last)
  @locale_from = 'host' if locale
  locale
end

#extract_locale_from_params ⇒ Object (private) 



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# File 'lib/bp3/action_dispatch/request_locale.rb', line 27

def extract_locale_from_params
  return nil if params[:locale].blank?

  locale = params[:locale]
  locale = locale_if_exists(locale)
  @locale_from = 'params' if locale
  locale
end

#extract_locale_from_path ⇒ Object (private) 



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# File 'lib/bp3/action_dispatch/request_locale.rb', line 20

def extract_locale_from_path
  locale = original_fullpath.split('/')[original_fullpath.starts_with?('/') ? 1 : 0]
  locale = locale_if_exists(locale)
  @locale_from = 'path' if locale
  locale
end

#extract_locale_from_setting ⇒ Object (private) 



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# File 'lib/bp3/action_dispatch/request_locale.rb', line 56

def extract_locale_from_setting
  return if request_site&.config.nil?

  locale = locale_if_exists(request_site.configs.locale.presence)
  @locale_from = 'setting' if locale
  locale
end

#locale_if_exists(locale) ⇒ Object (private) 



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# File 'lib/bp3/action_dispatch/request_locale.rb', line 74

def locale_if_exists(locale)
  locale = locale_to_sym(locale)
  I18n.available_locales.include?(locale) ? locale : nil
end

#locale_to_sym(locale) ⇒ Object (private) 



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# File 'lib/bp3/action_dispatch/request_locale.rb', line 79

def locale_to_sym(locale)
  return nil if locale.nil?
  return locale.to_sym if locale.length == 2

  locale, region = locale.split('-')
  return locale.to_sym if region.nil?

  :"#{locale}-#{region.upcase}"
end

#parse_header(header) ⇒ Object (private)

example format: 'en;q=0.1,nl'



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# File 'lib/bp3/action_dispatch/request_locale.rb', line 65

def parse_header(header)
  languages = header.split(',').map(&:strip)
  languages.map do |language|
    locale, quality = language.split(/\s*;\s*q\s*=\s*/i)
    quality = quality.blank? ? 1.0 : quality.to_f
    [locale, quality]
  end
end

#request_locale ⇒ Object 



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# File 'lib/bp3/action_dispatch/request_locale.rb', line 6

def request_locale
  @request_locale ||= extract_locale
end