Class: Wovnrb::UrlLanguageSwitcher

Inherits:
Object
  • Object
show all
Defined in:
lib/wovnrb/url_language_switcher.rb

Overview

URL Language switching helper, ported from html-swapper

Instance Method Summary collapse

Constructor Details

#initialize(store) ⇒ UrlLanguageSwitcher

Returns a new instance of UrlLanguageSwitcher.



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# File 'lib/wovnrb/url_language_switcher.rb', line 7

def initialize(store)
  @store = store
end

Instance Method Details

#add_lang_code(href, to_lang_code, headers) ⇒ Object

Adds language code to URL in “href” variable by “pattern” variable and own lang_code.

When lang_code is 'ja', add_lang_code('https://wovn.io', 'path', url) returns 'https://wovn.io/ja/'.

Parameters:

  • href (String) —

    original URL. (This condition is not validated against)

  • to_lang_code (String) —

    language code.



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# File 'lib/wovnrb/url_language_switcher.rb', line 15

def add_lang_code(href, to_lang_code, headers)
  return nil if href.nil?
  return href if href.match?(/^(#.*)?$/)

  href_scheme = href[/^[A-Za-z][A-Za-z0-9+\-.]*(?=:)/]
  return href if !href_scheme.nil? && href_scheme != 'http' && href_scheme != 'https'

  code_to_add = @store.custom_lang_aliases[to_lang_code] || to_lang_code
  if Wovnrb::URL.absolute_url?(href)
    add_lang_code_absolute_url(href, code_to_add, headers)
  else
    add_lang_code_relative_url(href, code_to_add, headers)
  end
end

#remove_lang_from_uri_component(uri, lang, headers = nil) ⇒ String

Removes language code from a URI component (path, hostname, query etc), and returns it.

Parameters:

  • uri (String) —

    original URI component

  • lang (String) —

    language code

  • headers (Header) (defaults to: nil) —

    headers

Returns:

  • (String) —

    removed URI



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# File 'lib/wovnrb/url_language_switcher.rb', line 36

def remove_lang_from_uri_component(uri, lang, headers = nil)
  lang_code = @store.settings['custom_lang_aliases'][lang] || lang

  return uri if lang_code.blank?

  case @store.settings['url_pattern']
  when 'query'
    lang_param_name = @store.settings['lang_param_name']
    uri.sub(/(^|\?|&)#{lang_param_name}=#{lang_code}(&|$)/, '\1').gsub(/(\?|&)$/, '')
  when 'subdomain'
    rp = Regexp.new("(^|(//))#{lang_code}\\.", 'i')
    uri.sub(rp, '\1')
  when 'path'
    # ^(.*://|//)?  1: schema (optional) like https://
    # ([^/]*/)?     2: host (optional) like wovn.io, with trailing '/' (mandatory)
    # (/|$)         3: path or end-of-string
    lang_code_pattern = %r{^(.*://|//)?([^/]*/)?#{lang_code}(/|$)}
    uri.sub(lang_code_pattern, '\1\2')
  when 'custom_domain'
    custom_domain_langs = @store.custom_domain_langs
    custom_domain_lang_to_remove = custom_domain_langs.custom_domain_lang_by_lang(lang_code)
    default_custom_domain_lang = custom_domain_langs.custom_domain_lang_by_lang(@store.default_lang)
    new_uri = uri
    if Wovnrb::URL.absolute_url?(uri)
      new_uri = CustomDomainLangUrlHandler.change_to_new_custom_domain_lang(uri, custom_domain_lang_to_remove, default_custom_domain_lang)
    elsif Wovnrb::URL.absolute_path?(uri)
      absolute_url = "#{headers.protocol}://#{headers.unmasked_host}#{uri}"
      absolute_url_with_lang = CustomDomainLangUrlHandler.change_to_new_custom_domain_lang(absolute_url, custom_domain_lang_to_remove, default_custom_domain_lang)
      segments = make_segments_from_absolute_url(absolute_url_with_lang)
      new_uri = segments['others']
    elsif uri == custom_domain_lang_to_remove.host
      absolute_url = "#{headers.protocol}://#{uri}#{headers.unmasked_pathname}"
      absolute_url_with_lang = CustomDomainLangUrlHandler.change_to_new_custom_domain_lang(absolute_url, custom_domain_lang_to_remove, default_custom_domain_lang)
      segments = make_segments_from_absolute_url(absolute_url_with_lang)
      new_uri = segments['host']
    end
    new_uri
  else
    raise RuntimeError("Invalid URL pattern: #{@store.settings['url_pattern']}")
  end
end