Class: Rack::LocaleRootRedirect

Inherits:
Object
  • Object
show all
Defined in:
lib/rack/locale_root_redirect/version.rb,
lib/rack/locale_root_redirect/middleware.rb

Constant Summary collapse

VERSION = 
'0.4'
STATUS = 
302
ROOT_REQUEST_REGEX = 
%r{\A/(?<query_string>\?.*|\Z)}
RACK_ACCEPT_MISSING = 
'Rack::LocaleRootRedirect must be used after Rack::Accept. Please make your application use Rack::Accept before Rack::LocaleRootRedirect.'
REDIRECTED_RESPONSE_REGEX = 
%r{\A3\d\d\Z}

Instance Method Summary collapse

Constructor Details

#initialize(app, locales = {}) ⇒ LocaleRootRedirect

Returns a new instance of LocaleRootRedirect.



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# File 'lib/rack/locale_root_redirect/middleware.rb', line 9

def initialize(app, locales = {})
  @locales = locales
  @available_locales = locales.keys.map(&:to_s)
  @default_locale = @available_locales.first

  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/rack/locale_root_redirect/middleware.rb', line 18

def call(env)
  status, headers, response = @app.call(env)

  if should_redirect?(env, status)
    locale = best_locale(env)

    status = STATUS
    query_string = env['QUERY_STRING'] == '' ? '' : "?#{env['QUERY_STRING']}"
    headers['Vary'] = 'Accept-Language'
    headers['Location'] = @locales[locale.to_sym] + query_string
  end

  [status, headers, response]
end