Feature | Support multi-lingual: UI Internationalization

Gemfile

@@ -54,6 +54,7 @@ gem 'flamegraph'
 gem 'graphql-client'
 gem 'haml', '~> 5.1'
 gem 'i18n'
+gem 'rails-i18n', '~> 7.0.0'
 gem 'iconv'
 gem 'multi_json'
 gem 'mysql2', '0.5.3'

Gemfile.lock

@@ -1,6 +1,6 @@
 GIT
   remote: https://github.com/ontoportal-lirmm/ontologies_api_ruby_client.git
-  revision: 0c8cd2b377d88b66a979664d5b16e5068b6d4548
+  revision: ca20880499a737803120f18ce99c14d3f10bc071
   branch: development
   specs:
     ontologies_api_client (2.2.0)
@@ -82,7 +82,7 @@ GEM
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
       tzinfo (~> 2.0)
-    addressable (2.8.1)
+    addressable (2.8.4)
       public_suffix (>= 2.0.2, < 6.0)
     airbrussh (1.4.1)
       sshkit (>= 1.6.1, != 1.7.0)
@@ -115,7 +115,7 @@ GEM
       capistrano-bundler (>= 1.1, < 3)
     capistrano-yarn (2.0.2)
       capistrano (~> 3.0)
-    capybara (3.38.0)
+    capybara (3.39.0)
       addressable
       matrix
       mini_mime (>= 0.1.3)
@@ -129,11 +129,13 @@ GEM
     coderay (1.1.3)
     concurrent-ruby (1.2.2)
     crass (1.0.6)
+    css_parser (1.14.0)
+      addressable
     cube-ruby (0.0.3)
     daemons (1.4.1)
     dalli (3.2.4)
     date (3.3.3)
-    debug (1.7.1)
+    debug (1.7.2)
       irb (>= 1.5.0)
       reline (>= 0.3.1)
     diff-lcs (1.5.0)
@@ -158,7 +160,7 @@ GEM
     flamegraph (0.9.5)
     globalid (1.1.0)
       activesupport (>= 5.0)
-    graphql (2.0.19)
+    graphql (2.0.21)
     graphql-client (0.18.0)
       activesupport (>= 3.0)
       graphql
@@ -170,17 +172,19 @@ GEM
       haml (>= 4.0)
       nokogiri (>= 1.6.0)
       ruby_parser (~> 3.5)
+    htmlbeautifier (1.4.2)
+    htmlentities (4.3.4)
     http-accept (1.7.0)
     http-cookie (1.0.5)
       domain_name (~> 0.5)
-    i18n (1.12.0)
+    i18n (1.13.0)
       concurrent-ruby (~> 1.0)
     iconv (1.0.8)
-    importmap-rails (1.1.5)
+    importmap-rails (1.1.6)
       actionpack (>= 6.0.0)
       railties (>= 6.0.0)
     io-console (0.6.0)
-    irb (1.6.3)
+    irb (1.6.4)
       reline (>= 0.3.0)
     jquery-rails (4.5.1)
       rails-dom-testing (>= 1, < 3)
@@ -194,9 +198,22 @@ GEM
     listen (3.8.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
-    loofah (2.19.1)
+    loofah (2.20.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
+    lookbook (1.5.5)
+      actioncable
+      activemodel
+      css_parser
+      htmlbeautifier (~> 1.3)
+      htmlentities (~> 4.3.4)
+      listen (~> 3.0)
+      railties (>= 5.0)
+      redcarpet (~> 3.5)
+      rouge (>= 3.26, < 5.0)
+      view_component (> 2.0, < 4)
+      yard (~> 0.9.25)
+      zeitwerk (~> 2.5)
     lz4-ruby (0.3.3)
     mail (2.8.1)
       mini_mime (>= 0.1.1)
@@ -210,8 +227,9 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2023.0218.1)
     mini_mime (1.1.2)
+    mini_portile2 (2.8.2)
     minitest (5.18.0)
-    msgpack (1.6.1)
+    msgpack (1.7.0)
     multi_json (1.15.0)
     multipart-post (2.3.0)
     mysql2 (0.5.3)
@@ -233,14 +251,15 @@ GEM
       net-protocol
     net-ssh (7.1.0)
     netrc (0.11.0)
-    newrelic_rpm (9.0.0)
-    nio4r (2.5.8)
-    nokogiri (1.14.2-x86_64-linux)
+    newrelic_rpm (9.2.2)
+    nio4r (2.5.9)
+    nokogiri (1.14.3)
+      mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
-    oj (3.14.2)
+    oj (3.14.3)
     open_uri_redirections (0.2.1)
-    parallel (1.22.1)
-    parser (3.2.1.1)
+    parallel (1.23.0)
+    parser (3.2.2.1)
       ast (~> 2.4.1)
     popper_js (1.16.1)
     pry (0.14.2)
@@ -251,10 +270,10 @@ GEM
     puma (5.6.5)
       nio4r (~> 2.0)
     racc (1.6.2)
-    rack (2.2.6.4)
+    rack (2.2.7)
     rack-accept (0.4.5)
       rack (>= 0.4)
-    rack-mini-profiler (3.0.0)
+    rack-mini-profiler (3.1.0)
       rack (>= 1.2.0)
     rack-test (2.1.0)
       rack (>= 1.3)
@@ -277,6 +296,9 @@ GEM
       nokogiri (>= 1.6)
     rails-html-sanitizer (1.5.0)
       loofah (~> 2.19, >= 2.19.1)
+    rails-i18n (7.0.6)
+      i18n (>= 0.7, < 2)
+      railties (>= 6.0.0, < 8)
     rails_autolink (1.1.8)
       actionview (> 3.1)
       activesupport (> 3.1)
@@ -296,43 +318,45 @@ GEM
     rdoc (6.3.3)
     recaptcha (5.9.0)
       json
-    regexp_parser (2.7.0)
-    reline (0.3.2)
+    redcarpet (3.6.0)
+    regexp_parser (2.8.0)
+    reline (0.3.3)
       io-console (~> 0.5)
     rest-client (2.1.0)
       http-accept (>= 1.7.0, < 2.0)
       http-cookie (>= 1.0.2, < 2.0)
       mime-types (>= 1.16, < 4.0)
       netrc (~> 0.8)
     rexml (3.2.5)
-    rspec-core (3.12.1)
+    rouge (4.1.0)
+    rspec-core (3.12.2)
       rspec-support (~> 3.12.0)
-    rspec-expectations (3.12.2)
+    rspec-expectations (3.12.3)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.12.0)
-    rspec-mocks (3.12.4)
+    rspec-mocks (3.12.5)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.12.0)
-    rspec-rails (6.0.1)
+    rspec-rails (6.0.2)
       actionpack (>= 6.1)
       activesupport (>= 6.1)
       railties (>= 6.1)
-      rspec-core (~> 3.11)
-      rspec-expectations (~> 3.11)
-      rspec-mocks (~> 3.11)
-      rspec-support (~> 3.11)
+      rspec-core (~> 3.12)
+      rspec-expectations (~> 3.12)
+      rspec-mocks (~> 3.12)
+      rspec-support (~> 3.12)
     rspec-support (3.12.0)
-    rubocop (1.48.1)
+    rubocop (1.50.2)
       json (~> 2.3)
       parallel (~> 1.10)
       parser (>= 3.2.0.0)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.26.0, < 2.0)
+      rubocop-ast (>= 1.28.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.28.0)
+    rubocop-ast (1.28.1)
       parser (>= 3.2.1.0)
     ruby-progressbar (1.13.0)
     ruby2_keywords (0.0.5)
@@ -348,11 +372,11 @@ GEM
       sprockets-rails
       tilt
     select2-rails (4.0.13)
-    selenium-webdriver (4.8.3)
+    selenium-webdriver (4.9.0)
       rexml (~> 3.2, >= 3.2.5)
       rubyzip (>= 1.2.2, < 3.0)
       websocket (~> 1.0)
-    sexp_processor (4.16.1)
+    sexp_processor (4.17.0)
     spawnling (2.1.5)
     sprockets (4.2.0)
       concurrent-ruby (~> 1.0)
@@ -364,19 +388,19 @@ GEM
     sshkit (1.21.4)
       net-scp (>= 1.1.2)
       net-ssh (>= 2.8.0)
-    stackprof (0.2.24)
+    stackprof (0.2.25)
     stimulus-rails (1.2.1)
       railties (>= 6.0.0)
     temple (0.10.0)
     terser (1.1.14)
       execjs (>= 0.3.0, < 3)
-    thin (1.8.1)
+    thin (1.8.2)
       daemons (~> 1.0, >= 1.0.9)
       eventmachine (~> 1.0, >= 1.0.4)
       rack (>= 1, < 3)
     thor (1.2.1)
     tilt (2.1.0)
-    time (0.2.1)
+    time (0.2.2)
       date
     timeout (0.3.2)
     turbo-rails (1.4.0)
@@ -394,7 +418,7 @@ GEM
       unf_ext
     unf_ext (0.0.8.2)
     unicode-display_width (2.4.2)
-    uri (0.12.0)
+    uri (0.12.1)
     view_component (2.82.0)
       activesupport (>= 5.2.0, < 8.0)
       concurrent-ruby (~> 1.0)
@@ -415,10 +439,11 @@ GEM
     will_paginate (3.3.1)
     xpath (3.2.0)
       nokogiri (~> 1.8)
-    zeitwerk (2.6.7)
+    yard (0.9.34)
+    zeitwerk (2.6.8)
 
 PLATFORMS
-  x86_64-linux
+  ruby
 
 DEPENDENCIES
   bcrypt_pbkdf (>= 1.0, < 2.0)
@@ -448,6 +473,7 @@ DEPENDENCIES
   jquery-ui-rails
   jsbundling-rails
   listen
+  lookbook (~> 1.5.5)
   multi_json
   mysql2 (= 0.5.3)
   net-ftp (~> 0.2.0)
@@ -461,6 +487,7 @@ DEPENDENCIES
   puma (~> 5.0)
   rack-mini-profiler
   rails (= 7.0.3)
+  rails-i18n (~> 7.0.0)
   rails_autolink
   rdoc
   recaptcha (~> 5.9.0)
@@ -484,5 +511,4 @@ DEPENDENCIES
   will_paginate (~> 3.0)
 
 BUNDLED WITH
-   2.3.23
-
+   2.4.12

app/controllers/application_controller.rb

@@ -13,6 +13,29 @@
 # Likewise, all the methods added will be available for all controllers.
 
 class ApplicationController < ActionController::Base
+
+  before_action :set_locale
+
+  # Sets the locale based on the locale cookie or the value returned by detect_locale.
+  def set_locale    
+    I18n.locale = cookies[:locale] || detect_locale
+    cookies.permanent[:locale] = I18n.locale if cookies[:locale].nil?
+  end
+
+  # Returns detedted locale based on the Accept-Language header of the request or the default locale if none is found.
+  def detect_locale    
+    languages = request.headers['Accept-Language']&.split(',')
+    supported_languages = I18n.available_locales
+
+    languages.each do |language|
+      language_code = language.split(/[-;]/).first.downcase.to_sym
+      return language_code if supported_languages.include?(language_code)
+    end
+
+    return I18n.default_locale 
+  end
+
+
   helper :all # include all helpers, all the time
   helper_method :bp_config_json, :current_license, :using_captcha?
   rescue_from ActiveRecord::RecordNotFound, with: :not_found_record

app/controllers/language_controller.rb

@@ -0,0 +1,21 @@
+class LanguageController < ApplicationController
+
+    # set locale to the language selected by the user
+    def set_locale_language
+        language = params[:language].strip.downcase.to_sym
+        supported_languages = I18n.available_locales
+
+        if language
+            if supported_languages.include?(language)
+                 cookies.permanent[:locale] = language
+            else
+                # in case we want to show a message if the language is not available
+                flash.now[:notice] = "#{language} translation not available"
+                logger.error flash.now[:notice]
+            end
+        end
+
+        redirect_to request.referer || root_path
+    end
+
+end

app/helpers/home_helper.rb

@@ -5,14 +5,11 @@
 module HomeHelper
 
   def render_footer_link(options = {})
-
-    link_content = options[:text].presence
-    link_content ||= image_tag(options[:img_src]) if options[:img_src].present?
-    link_content ||= content_tag(:i, '', class: options[:icon]) if options[:icon].present?
-
-    unless link_content.blank?
-      link_to(link_content, options[:url], target: options[:target], class: options[:css_class].to_s, style: options[:text].blank? ? 'text-decoration: none' : '')
-    end.to_s.html_safe
-
+    link_content = options[:text][I18n.locale] || options[:text][:en] if options[:text]
+    link_content ||= image_tag(options[:img_src]) if options[:img_src]
+    link_content ||= content_tag(:i, '', class: options[:icon]) if options[:icon]
+
+    link_to(link_content, options[:url], target: options[:target], class: options[:css_class].to_s, style: options[:text].blank? ? 'text-decoration: none' : '').html_safe if link_content
   end
+
 end

app/helpers/schemes_helper.rb

@@ -41,15 +41,13 @@ def get_schemes_labels(schemes, main_uri)
   end
 
   def concept_label_to_show(submission: @submission_latest)
-    submission&.hasOntologyLanguage == 'SKOS' ? 'Concepts' : 'Classes'
+    submission&.hasOntologyLanguage == 'SKOS' ? 'concepts' : 'classes'
   end
 
   def section_name(section)
-    if section.eql?('classes')
-      concept_label_to_show(submission: @submission_latest || @submission)
-    else
-      section.capitalize
-    end
+    section = concept_label_to_show(submission: @submission_latest || @submission) if section.eql?('classes')
+
+    t("ontology_details.sections.#{section}")
   end
 
   def scheme_path(scheme_id = '')