Initial support for i18n (#54)

---------
Co-authored-by: BGMP <jose@bgm.cl>

app/assets/stylesheets/nav.scss

@@ -138,3 +138,8 @@ nav {
   background-color: #fff !important;
   color: #000 !important;
 }
+
+.locale-flag {
+  height: 29px;
+  width: 29px;
+}

app/controllers/application_controller.rb

@@ -2,24 +2,33 @@ class ApplicationController < ActionController::Base
   include ApplicationHelper
   include RankingsHelper
 
+  before_action :set_locale
   before_action :build_navigation
 
+  def set_locale
+    I18n.locale = if user_signed_in?
+                    current_user.locale
+                  else
+                    I18n.default_locale
+                  end
+  end
+
   def build_navigation
     return unless user_signed_in?
 
     @admin_nav = [
-      { :name => 'Upload Session', :path => new_session_path },
-      { :name => 'Create Season', :path => new_season_path },
-      { :name => 'Import Tracks', :path => new_track_path },
-      { :name => 'Import Cars', :path => new_car_path },
-      # { :name => 'New Team', :path => new_team_path },
-      # { :name => 'New Tournament', :path => new_tournament_path },
-      { :name => 'Import Users', :path => users_new_path }
+      { :name => t('nav.user.admin.upload-session'), :path => new_session_path },
+      { :name => t('nav.user.admin.create-season'), :path => new_season_path },
+      { :name => t('nav.user.admin.import-tracks'), :path => new_track_path },
+      { :name => t('nav.user.admin.import-cars'), :path => new_car_path },
+      # { :name => t('nav.user.admin.new-team'), :path => new_team_path },
+      # { :name => t('nav.user.admin.new-tournament'), :path => new_tournament_path },
+      { :name => t('nav.user.admin.import-users'), :path => users_new_path }
     ]
     @nav = [
-      { :name => 'Admin', :path => '', :sub => @admin_nav, :admin => true },
-      { :name => 'My Profile', :path => user_path(current_user.username) },
-      { :name => 'Settings', :path => main_app.edit_user_registration_path }
+      { :name => t('nav.user.admin.title'), :path => '', :sub => @admin_nav, :admin => true },
+      { :name => t('nav.user.my-profile'), :path => user_path(current_user.username) },
+      { :name => t('nav.user.settings'), :path => main_app.edit_user_registration_path }
     ]
   end
 
@@ -75,18 +84,18 @@ def index
   end
 
   def authenticate_admin
-    redirect_to root_path, :notice => 'You do not have permission' unless user_is_admin?
+    redirect_to root_path, :notice => t('alerts.no-permission') unless user_is_admin?
   end
 
   def authenticate_mod
-    redirect_to root_path, :notice => 'You do not have permission' unless user_is_mod?
+    redirect_to root_path, :notice => t('alerts.no-permission') unless user_is_mod?
   end
 
   def authenticate_organizer
-    redirect_to root_path, :notice => 'You do not have permission' unless user_is_organizer?
+    redirect_to root_path, :notice => t('alerts.no-permission') unless user_is_organizer?
   end
 
   def authenticate_staff
-    redirect_to root_path, :notice => 'You do not have permission' unless user_is_staff?
+    redirect_to root_path, :notice => t('alerts.no-permission') unless user_is_staff?
   end
 end

app/controllers/users_controller.rb

@@ -82,6 +82,21 @@ def edit
     end
   end
 
+  def update_locale
+    return if !user_signed_in? || params[:locale].nil?
+
+    current_user.locale = params[:locale]
+    current_user.update!
+
+    respond_to do |format|
+      if current_user.update!
+        format.html { redirect_back fallback_location: root_path, :notice => "Language set to #{SYS::LOCALES_MAP.key(params[:locale].to_sym)}" }
+      else
+        format.html { redirect_to root_path, :status => :unprocessable_entity }
+      end
+    end
+  end
+
   def new
     @user = User.new
     @user.build_profile

app/models/user.rb

@@ -62,7 +62,7 @@ class User
   field :admin, :type => Boolean, :default => false
   field :mod, :type => Boolean, :default => false
   field :organizer, :type => Boolean, :default => false
-  field :locale, :type => String, :default => 'en_us'
+  field :locale, :type => String, :default => :en
   field :country, :type => String
 
   def has_team?

app/views/application/_footer.haml

@@ -14,9 +14,9 @@
       %div.col-xl-3.col-lg-3.col-md-3.col-sm-6.col-xs-6.col-6
         %ul.list-unstyled
           %li.heading
-            Organization
+            = t('footer.organization.title')
           %li
-            = link_to "Staff Listing", staff_path
+            = link_to t("footer.organization.staff"), staff_path
           %li
             = link_to t('footer.organization.logs'), web_repo_or_first
           %li

app/views/application/_nav.haml

@@ -15,26 +15,26 @@
         %li.nav-item
           %a.nav-link{:href => tracks_path}
             %i.fa.fa-map{:"aria-hidden" => "true"}
-            = "Tracks"
+            = t("nav.tracks")
         %li.nav-item
           %a.nav-link{:href => cars_path}
             %i.fa.fa-car{:"aria-hidden" => "true"}
-            = "Cars"
+            = t("nav.cars")
         %li.nav-item
           %a.nav-link{:href => seasons_path}
             %i.fa.fa-calendar
-            = "Seasons"
+            = t("nav.seasons")
         %li.nav-item.dropdown
           %a.nav-link.dropdown-toggle{:href => "", :"data-toggle" => "dropdown", :"aria-haspopup" => "true", :"aria-expanded" => "false"}
             %i.fa.fa-trophy{:"aria-hidden" => true}
-            = "League"
+            = t("nav.league.title")
           %div.dropdown-menu{:"aria-labelledby" => "dropdown01"}
             %a.dropdown-item{:href => stats_path}
               %i.fa.fa-line-chart{:"aria-hidden" => "true"}
-              = "Leaderboard"
+              = t("nav.league.leaderboard")
             %a.dropdown-item{:href => points_path}
               %i.fa.fa-list-ol{:"aria-hidden" => "true"}
-              = t('nav.rva.points')
+              = t('nav.league.point-system')
             %a.dropdown-item{:href => teams_path}
               %i.fa.fa-users
               = t('nav.league.teams')
@@ -47,8 +47,18 @@
             = t('nav.downloads')
         %li.nav-item
       %ul.navbar-nav
+        - if user_signed_in?
+          %li.dropdown
+            %a.nav-link.dropdown-toggle{:href => "", :"data-toggle" => "dropdown", :"aria-haspopup" => true, :"aria-expanded" => false}
+              = image_tag "i18n/#{I18n.locale}.png", :class => "locale-flag"
+            %ul.dropdown-menu.dropdown-menu-right{:"aria-labelledby" => "dropdown02"}
+              - I18n.available_locales.each do |l|
+                %a.dropdown-item{:"data-turbo" => "true", :"data-turbo-method" => "put", :href => users_locale_path(:locale => l)}
+                  = image_tag "i18n/#{l}.png", :class => "locale-flag"
+                  = SYS::LOCALES_MAP.key(l)
+
         %li.dropdown
-          %a.nav-link.dropdown-toggle{:id => "access-toggle", :style => "outline: none; #{user_signed_in? ? 'line-height: 0px' : ''};", :"data-toggle" => "dropdown", :href => "#"}
+          %a.nav-link.dropdown-toggle{:id => "access-toggle", :"data-toggle" => "dropdown", :href => "#"}
             - if user_signed_in?
               %span.current-username
                 = current_user.username
@@ -60,9 +70,9 @@
               - @nav.each do |item|
                 = render_navigation(item)
               %li
-                = link_to "Log out", destroy_user_session_path, :class => "dropdown-item", data: { turbo: true, turbo_method: :delete }
+                = link_to t("nav.user.log-out"), destroy_user_session_path, :class => "dropdown-item", data: { turbo: true, turbo_method: :delete }
             - else
               %li
-                = link_to "Login", new_user_session_path, :class => "dropdown-item"
+                = link_to t("nav.user.login"), new_user_session_path, :class => "dropdown-item"
               %li
-                = link_to "Register", new_user_registration_path, :class => "dropdown-item"
+                = link_to t("nav.user.register"), new_user_registration_path, :class => "dropdown-item"

app/views/application/_splash.haml

@@ -4,7 +4,8 @@
       %h1
         = ORG::NAME
       %p
-        The Website for the American community of Re-Volt, 1999
-        %br/
-        Download the game and meet players from all over the Americas!
-      %a.btn-important{ href: downloads_path } Downloads »
+        = t("application.splash.description1")
+        %br
+        = t("application.splash.description2")
+      %a.btn-important{ href: downloads_path }
+        = t("application.splash.download-button")

app/views/application/_subnav.haml

@@ -7,7 +7,7 @@
           / | Seasons | Tracks | Cars
           %li.nav-item
             %a.nav-link{:href => seasons_path, :class => "#{current_page?(seasons_path) ? 'active' : ''}"}
-              = "Seasons #{(defined?(season)) ? "»" : ""}"
+              = "#{t('sub-nav.seasons')} #{(defined?(season)) ? "»" : ""}"
 
           / Season »
           - if defined?(season) && !season.nil?
@@ -20,34 +20,34 @@
             %li.nav-item.dropdown
               %a.nav-link.dropdown-toggle{:href => "", :"data-toggle" => "dropdown", :"aria-haspopup" => "true", :"aria-expanded" => "false", :class => "#{defined?(ranking) && current_page?(ranking_path(ranking)) ? 'active' : ''}"}
                 - if defined?(ranking)
-                  = "Ranking #{ranking.number}"
+                  = "#{t('sub-nav.ranking')} #{ranking.number}"
                 - else
-                  = "Rankings"
+                  = t('sub-nav.rankings')
               .dropdown-menu{:"aria-labelledby" => "dropdown04"}
                 - rankings.each do |r|
                   %a.dropdown-item{:href => ranking_path(r), :class => "#{(defined?(ranking) && ranking == r) ? 'active' : ''}"}
-                    = "Ranking #{r.number}"
+                    = t('sub-nav.ranking-n', :n => r.number)
 
           -# NOTE: Our Session model name conflicts with ActionDispatch::Request::Session, so we have to check if the
           -# definition is ours ...
           - if defined?(session) && session.is_a?(Session) && !session.nil?
             %li.nav-item
               %a.nav-link{:href => session_path(session), :class => "#{(current_page?(session_path(session)) || current_page?(edit_session_path(session))) ? 'active' : ''}"}
-                = "Session #{session.number}"
+                = t('sub-nav.session-n', :n => session.number)
 
           - if current_page?(tracks_path) || (defined?(track) && !track.nil?)
             / Tracks »
             %li.nav-item
               %a.nav-link{:href => tracks_path, :class => "#{current_page?(tracks_path) ? 'active' : ''}"}
-                = "Tracks #{defined?(track) ? "»" : ""}"
+                = "#{t('sub-nav.tracks')} #{defined?(track) ? "»" : ""}"
             - if defined?(track) && !track.nil?
               %li.nav-item
                 %a.nav-link{:href => track_path(track), :class => "#{(current_page?(track_path(track)) || current_page?(edit_track_path(track))) ? 'active' : ''}"}
                   = track.name
             / Cars »
             %li.nav-item
               %a.nav-link{:href => cars_path, :class => "#{current_page?(cars_path) ? 'active' : ''}"}
-                = "Cars #{defined?(category) ? "»" : ""}"
+                = "#{t('sub-nav.cars')} #{defined?(category) ? "»" : ""}"
             - if defined?(category) && !category.nil?
               %li.nav-item
                 %a.nav-link{:href => car_category_path(category), :class => "#{current_page?(car_category_path(category)) ? 'active' : ''}"}
@@ -60,7 +60,7 @@
             / Cars »
             %li.nav-item
               %a.nav-link{:href => cars_path, :class => "#{current_page?(cars_path) ? 'active' : ''}"}
-                = "Cars #{defined?(category) ? "»" : ""}"
+                = "#{t('sub-nav.cars')} #{defined?(category) ? "»" : ""}"
             - if defined?(category) && !category.nil?
               %li.nav-item
                 %a.nav-link{:href => car_category_path(category), :class => "#{current_page?(car_category_path(category)) ? 'active' : ''}"}
@@ -72,7 +72,7 @@
             / Tracks »
             %li.nav-item
               %a.nav-link{:href => tracks_path, :class => "#{current_page?(tracks_path) ? 'active' : ''}"}
-                = "Tracks #{defined?(track) ? "»" : ""}"
+                = "#{t('sub-nav.tracks')} #{defined?(track) ? "»" : ""}"
             - if defined?(track) && !track.nil?
               %li.nav-item
                 %a.nav-link{:href => track_path(track), :class => "#{(current_page?(track_path(track)) || current_page?(edit_track_path(track))) ? 'active' : ''}"}
@@ -88,7 +88,7 @@
       / | Seasons | Tracks | Cars
       %li.nav-item
         %a{:href => seasons_path, :class => "#{current_page?(seasons_path) ? 'active' : ''}"}
-          = "Seasons"
+          = t('sub-nav.seasons')
 
       / Season »
       - if defined?(season) && !season.nil?
@@ -101,34 +101,34 @@
         %li.nav-item.dropdown
           %a.dropdown-toggle{:href => "", :"data-toggle" => "dropdown", :"aria-haspopup" => "true", :"aria-expanded" => "false", :class => "#{defined?(ranking) && current_page?(ranking_path(ranking)) ? 'active' : ''}"}
             - if defined?(ranking)
-              = "Ranking #{ranking.number}"
+              = t('sub-nav.ranking-n', :n => ranking.number)
             - else
-              = "Rankings"
+              = t('sub-nav.rankings')
           .dropdown-menu{:"aria-labelledby" => "dropdown04"}
             - rankings.each do |r|
               %a.dropdown-item{:href => ranking_path(r), :class => "#{(defined?(ranking) && ranking == r) ? 'active' : ''}"}
-                = "Ranking #{r.number}"
+                = t('sub-nav.ranking-n', :n => r.number)
 
       -# NOTE: Our Session model name conflicts with ActionDispatch::Request::Session, so we have to check if the
       -# definition is ours ...
       - if defined?(session) && session.is_a?(Session)
         %li.nav-item
           %a{:href => session_path(session), :class => "#{(current_page?(session_path(session)) || current_page?(edit_session_path(session))) ? 'active' : ''}"}
-            = "Session #{session.number}"
+            = t('sub-nav.session-n', :n => session.number)
 
           - if current_page?(tracks_path) || defined?(track)
             / Tracks »
             %li.nav-item
               %a{:href => tracks_path, :class => "#{current_page?(tracks_path) ? 'active' : ''}"}
-                = "Tracks"
+                = t('sub-nav.tracks')
             - if defined?(track) && !track.nil?
               %li.nav-item
                 %a{:href => track_path(track), :class => "#{(current_page?(track_path(track)) || current_page?(edit_track_path(track))) ? 'active' : ''}"}
                   = track.name
             / Cars »
             %li.nav-item
               %a{:href => cars_path, :class => "#{current_page?(cars_path) ? 'active' : ''}"}
-                = "Cars"
+                = t('sub-nav.cars')
             - if defined?(category) && !category.nil?
               %li.nav-item
                 %a{:href => car_category_path(category), :class => "#{current_page?(car_category_path(category)) ? 'active' : ''}"}
@@ -141,7 +141,7 @@
             / Cars »
             %li.nav-item
               %a{:href => cars_path, :class => "#{current_page?(cars_path) ? 'active' : ''}"}
-                = "Cars"
+                = t('sub-nav.cars')
             - if defined?(category) && !category.nil?
               %li.nav-item
                 %a{:href => car_category_path(category), :class => "#{current_page?(car_category_path(category)) ? 'active' : ''}"}
@@ -153,7 +153,7 @@
             / Tracks »
             %li.nav-item
               %a{:href => tracks_path, :class => "#{current_page?(tracks_path) ? 'active' : ''}"}
-                = "Tracks"
+                = t('sub-nav.tracks')
             - if defined?(track) && !track.nil?
               %li.nav-item
                 %a{:href => track_path(track), :class => "#{(current_page?(track_path(track)) || current_page?(edit_track_path(track))) ? 'active' : ''}"}

app/views/application/about.haml

@@ -1,7 +1,9 @@
 #about
   %section.jumbotron.text-center
     .container
-      %h1 About Re-Volt America
+      %h1
+        = t('application.about.title')
+        = t('application.about.description')
       %p.lead
         The largest Re-Volt community you'll find in the American Continent.
         Join our racing sessions, compete in our seasons and meet other Re-Volt players from around the world!

app/views/application/index.haml

@@ -6,27 +6,32 @@
     .col-lg-4
       = image_tag "index/community.png", :class => "img-fluid"
       %h2
-        = t("application.index.community")
-      %p We are an amazing Re-Volt community mainly made up of South American players, but you will also find people from all over the world playing online with us.
+        = t("application.index.community.title")
+      %p
+        = t("application.index.community.description")
       %p
         %a.btn-important{ href: play_path, role: "button" } Play »
     .col-lg-4
       = image_tag "index/competition.png", :class => "img-fluid"
-      %h2 Competition
-      %p In Re-Volt America we race in a seasonal format. Throughout each season, you will be able to race online daily and score points for every race you participate in!
+      %h2
+        = t("application.index.competition.title")
+      %p
+        = t("application.index.competition.description")
       %p
         %a.btn-important{ href: seasons_path, role: "button" } Seasons »
     .col-lg-4
       = image_tag "index/reliability.png", :class => "img-fluid"
-      %h2 Reliability
-      %p Re-Volt America has been designed with sustainability and scalability in mind. Most of the features you see here you will not find in any other Re-Volt community.
+      %h2
+        = t("application.index.reliability.title")
+      %p
+        = t("application.index.reliability.description")
       %p
         %a.btn-important{ href: about_path, role: "button" } About Us »
 
 #recent.mt-5
   - if @recent_sessions&.any?
     %h6.pb-2.mb-0
-      = "Recent Sessions"
+      = t("application.index.recent.title")
     .media-group
       - @recent_sessions.each do |session|
         %a.media.text-muted.pt-3{:href => session_path(session) }
@@ -37,8 +42,8 @@
           .media-body.pb-3.mb-0.small.lh-125
             .d-flex.justify-content-between.align-items-center.w-100
               %strong.text-gray-dark
-                = "#{session_category_name(session)} Races"
+                = t("application.index.recent.races", category: session_category_name(session))
               .session-date
                 = pretty_datetime(session.date)
             %span.d-block.session-host
-              = "Hosted by #{session.host}"
+              = t("application.index.recent.hosted-by", host: session.host)