Completando I18n

app/controllers/application_controller.rb

@@ -16,8 +16,10 @@ def switch_locale(&action)
     I18n.with_locale(locale, &action)
   end
 
-  def user_not_authorized
-    flash[:alert] = 'You are not authorized to perform this action.'
+  def user_not_authorized(exception)
+    policy_name = exception.policy.class.to_s.underscore
+
+    flash[:alert] = t "#{policy_name}.#{exception.query}", scope: 'pundit', default: :default
     redirect_to(request.referrer || root_path)
   end
 end

app/controllers/articles_controller.rb

@@ -42,7 +42,7 @@ def create
     @article = current_user.articles.new(article_params)
 
     if @article.save
-      redirect_to @article, notice: 'Article was successfully created.'
+      redirect_to @article, notice: t('.success')
     else
       render :new
     end
@@ -52,7 +52,7 @@ def edit; end
 
   def update
     if @article.update(article_params)
-      redirect_to @article, notice: 'Article was successfully updated.'
+      redirect_to @article, notice: t('.success')
     else
       render :edit
     end
@@ -61,7 +61,7 @@ def update
   def destroy
     @article.destroy
 
-    redirect_to root_path, notice: 'Article was successfully destroyed.'
+    redirect_to root_path, notice: t('.success')
   end
 
   private

app/controllers/categories_controller.rb

@@ -23,7 +23,7 @@ def create
 
     respond_to do |format|
       if @category.save
-        format.html { redirect_to categories_url, notice: 'Category was successfully created.' }
+        format.html { redirect_to categories_url, notice: t('app.create.success', model: Category.model_name.human) }
         format.json { render :show, status: :created, location: @category }
       else
         format.html { render :new, status: :unprocessable_entity }
@@ -36,7 +36,7 @@ def create
   def update
     respond_to do |format|
       if @category.update(category_params)
-        format.html { redirect_to categories_url, notice: 'Category was successfully updated.' }
+        format.html { redirect_to categories_url, notice: t('app.update.success', model: Category.model_name.human) }
         format.json { render :show, status: :ok, location: @category }
       else
         format.html { render :edit, status: :unprocessable_entity }
@@ -49,7 +49,7 @@ def update
   def destroy
     if @category.destroy
       respond_to do |format|
-        format.html { redirect_to categories_url, notice: 'Category was successfully destroyed.' }
+        format.html { redirect_to categories_url, notice: t('app.destroy.success', model: Category.model_name.human) }
         format.json { head :no_content }
       end
     else

app/controllers/comments_controller.rb

@@ -4,15 +4,15 @@ class CommentsController < ApplicationController
 
   def create
     @article.comments.create(comment_params.to_h.merge!({ user_id: current_user.id }))
-    redirect_to article_path(@article), notice: 'Comment was successfully created.'
+    redirect_to article_path(@article), notice: t('app.create.success', model: Comment.model_name.human)
   end
 
   def destroy
     comment = @article.comments.find(params[:id])
     authorize comment
 
     comment.destroy
-    redirect_to article_path(@article), notice: 'Comment was successfully destroyed.'
+    redirect_to article_path(@article), notice: t('app.destroy.success', model: Comment.model_name.human)
   end
 
   private

app/helpers/application_helper.rb

@@ -1,6 +1,10 @@
 module ApplicationHelper
-  def month_day_comma_year(datetime)
-    l(datetime, format: '%B %e, %Y').capitalize
+  def month_day_comma_year(value)
+    l(value, format: '%B %e, %Y').capitalize
+  end
+
+  def month_year(value)
+    l(value.to_datetime, format: '%B %Y').capitalize
   end
 
   def render_if(condition, template, record)

app/policies/category_policy.rb

@@ -1,7 +1,7 @@
 class CategoryPolicy < ApplicationPolicy
   class Scope < Scope
     def resolve
-      if user.admin? || user.has_role?(:moderator)
+      if user&.admin? || user&.has_role?(:moderator)
         scope.all
       else
         raise Pundit::NotAuthorizedError
@@ -14,14 +14,14 @@ def index?
   end
 
   def create?
-    user.admin? || user.has_role?(:moderator)
+    user&.admin? || user&.has_role?(:moderator)
   end
 
   def update?
-    user.admin? || user.has_role?(:moderator)
+    user&.admin? || user&.has_role?(:moderator)
   end
 
   def destroy?
-    user.admin?
+    user&.admin?
   end
 end

app/views/articles/_archives.html.erb

@@ -3,7 +3,7 @@
   <ol class="list-unstyled mb-0">
     <% @archives.each do |month_year, count| %>
       <li>
-        <%= link_to "#{month_year.capitalize} (#{count})", articles_path(month_year: month_year),
+        <%= link_to "#{month_year(month_year)} (#{count})", articles_path(month_year: month_year),
             class: "p-2 link-secondary #{'filter-active' if month_year == params[:month_year]}" %>
       </li>
     <% end %>

app/views/articles/_article.html.erb

@@ -8,11 +8,11 @@
 
   <p><%= link_to t('articles.continue_reading'), article, class: 'btn btn-link' %></p>
 
-  <%= link_to 'Edit', edit_article_path(article),
+  <%= link_to t('app.button.edit'), edit_article_path(article),
               class: 'btn btn-primary' if policy(article).update? %>
 
-  <%= link_to 'Destroy', article_path(article),
+  <%= link_to t('app.button.destroy'), article_path(article),
     method: :delete,
-    data: { confirm: 'Are you sure?' },
+    data: { confirm: t('app.message.confirm_destroy') },
     class: 'btn btn-danger' if policy(article).destroy? %>
 </article>

app/views/articles/_article_detail.html.erb

@@ -1,3 +1,3 @@
-<%= month_day_comma_year(article.created_at) %>  <%= t('app.words.by') %>
-<%= sub_masked_email(article.user.email) %> <%= t('app.words.in') %>
+<%= month_day_comma_year(article.created_at) %>  <%= t('app.word.by') %>
+<%= sub_masked_email(article.user.email) %> <%= t('app.word.in') %>
 <%= article.category.name %>

app/views/articles/_form.html.erb

@@ -2,11 +2,11 @@
   <div class="form-inputs">
     <%= f.input :title %>
     <%= f.input :body, input_html: { rows: 10 } %>
-    <%= f.association :category, collection: @categories, prompt: "Choose a Category" %>
+    <%= f.association :category, collection: @categories, prompt: t('articles.form.choose_category') %>
   </div>
 
   <div class="form-action">
     <%= f.button :submit, class: 'btn btn-primary' %>
-    <%= link_to 'Back', root_path, class: 'btn btn-secondary' %>
+    <%= link_to t('app.button.back'), root_path, class: 'btn btn-secondary' %>
   </div>
 <% end %>

app/views/articles/edit.html.erb

@@ -1,3 +1,3 @@
-<h1>Edit Article</h1>
+<h1><%= t('app.edit.title', model: Article.model_name.human) %></h1>
 
 <%= render 'form', article: @article %>

app/views/articles/index.html.erb

@@ -12,7 +12,7 @@
     </h3>
 
     <p>
-      <%= link_to t('.new_article'), new_article_path,
+      <%= link_to t('articles.new.title'), new_article_path,
                   class: 'btn btn-success' if user_signed_in? %>
     </p>
 

app/views/articles/new.html.erb

@@ -1,3 +1,3 @@
-<h1>New Article</h1>
+<h1><%= t '.title' %></h1>
 
 <%= render 'form', article: @article %>

app/views/articles/show.html.erb

@@ -6,23 +6,23 @@
 
   <p><%= @article.body %></p>
 
-  <%= link_to 'Edit', edit_article_path(@article),
+  <%= link_to t('app.button.edit'), edit_article_path(@article),
   class: 'btn btn-primary' if policy(@article).update? %>
 
-  <%= link_to 'Destroy', article_path(@article),
+  <%= link_to t('app.button.destroy'), article_path(@article),
     method: :delete,
-    data: { confirm: 'Are you sure?' },
+    data: { confirm: t('app.message.confirm_destroy') },
     class: 'btn btn-danger' if policy(@article).destroy? %>
 
-  <%= link_to 'Back', root_path, class: 'btn btn-secondary' %>
+  <%= link_to t('app.button.back'), root_path, class: 'btn btn-secondary' %>
 
-  <h2 class="mt-3">Comments</h2>
+  <h2 class="mt-3"><%= t('.comments') %></h2>
   <%= render @article.comments %>
 
-  <h2>Add a comment:</h2>
+  <h3><%= t('.add_comment') %></h3>
   <% if policy(:comment).create? %>
     <%= render 'comments/form' %>
   <% else %>
-    Please, login to create a comment.
+    <%= t('.login_create_comment') %>
   <% end %>
 </article>

app/views/categories/edit.html.erb

@@ -1,5 +1,5 @@
-<h1>Editing Category</h1>
+<h1><%= t('app.edit.title', model: Category.model_name.human) %></h1>
 
 <%= render 'form', category: @category %>
 
-<%= link_to 'Back', categories_path %>
+<%= link_to t('app.button.back'), categories_path %>

app/views/categories/index.html.erb

@@ -1,14 +1,14 @@
-<h1>Categories</h1>
+<h1><%= t Category.model_name.human(count: 2) %></h1>
 
 <p>
-  <%= link_to 'New Category', new_category_path,
+  <%= link_to t('categories.new.title', model: Category.model_name.human), new_category_path,
   class: 'btn btn-primary' if policy(:category).new? %>
 </p>
 
 <table class="table table-striped table-hover table-bordered">
   <thead>
     <tr>
-      <th>Name</th>
+      <th><%= t Category.human_attribute_name('name') %></th>
       <th>Actions</th>
     </tr>
   </thead>
@@ -18,9 +18,9 @@
       <tr>
         <td><%= category.name %></td>
         <td>
-          <%= link_to 'Edit', edit_category_path(category) if policy(category).edit? %>
-          <%= link_to 'Destroy', category,
-          method: :delete, data: { confirm: 'Are you sure?' } if policy(category).destroy? %>
+          <%= link_to t('app.button.edit'), edit_category_path(category) if policy(category).edit? %>
+          <%= link_to t('app.button.destroy'), category,
+          method: :delete, data: { confirm: t('app.message.confirm_destroy') } if policy(category).destroy? %>
         </td>
       </tr>
     <% end %>

app/views/categories/new.html.erb

@@ -1,5 +1,5 @@
-<h1>New Category</h1>
+<h1><%= t '.title' %></h1>
 
 <%= render 'form', category: @category %>
 
-<%= link_to 'Back', categories_path %>
+<%= link_to t('app.button.back'), categories_path %>

app/views/comments/_comment.html.erb

@@ -2,12 +2,12 @@
   <div class="card-body">
     <h5 class="card-title"><%= month_day_comma_year(comment.created_at) %></h5>
     <h6 class="card-subtitle mb-2 text-muted">
-      Commenter: <%= sub_masked_email(comment.user.email) %>
+      <%= t 'comments.index.commenter' %>: <%= sub_masked_email(comment.user.email) %>
     </h6>
     <p class="card-text"><%= comment.body %></p>
-    <%= link_to 'Destroy', article_comment_path(@article, comment),
+    <%= link_to t('app.button.destroy'), article_comment_path(@article, comment),
       method: :delete,
-      data: { confirm: 'Are you sure?' },
+      data: { confirm: t('app.message.confirm_destroy') },
       class: 'btn btn-danger' if policy(comment).destroy? %>
   </div>
 </div>

app/views/layouts/_footer.html.erb

@@ -2,7 +2,7 @@
   <p>
     <%= t 'app.footer.template_info' %>
     <a href="https://getbootstrap.com/">Bootstrap</a>
-    <%= t 'app.words.by' %>
+    <%= t 'app.word.by' %>
     <a href="https://twitter.com/mdo">@mdo</a>.
   </p>
   <p>

app/views/layouts/_locale_links.html.erb

@@ -0,0 +1,5 @@
+<% if I18n.locale == I18n.default_locale %>
+  <%= link_to 'English', { locale: :'en' }, class: 'link-secondary' %>
+<% else %>
+  <%= link_to 'Português', { locale: :'pt-BR' }, class: 'link-secondary' %>
+<% end %>

app/views/layouts/_topnavbar.html.erb

@@ -11,6 +11,8 @@
       </div>
 
       <div class="col-4 d-flex justify-content-end align-items-center">
+        <%= render 'layouts/locale_links' %>
+        &nbsp;&nbsp;
         <%= render 'layouts/account_links' %>
       </div>
     </div>

config/locales/models/article/en.yml

@@ -0,0 +1,11 @@
+en:
+  activerecord:
+    models:
+      article:
+        one: Article
+        other: Articles
+    attributes:
+      article:
+        title: Title
+        body: Body
+        category: Category

config/locales/models/article/pt-BR.yml

@@ -0,0 +1,11 @@
+pt-BR:
+  activerecord:
+    models:
+      article:
+        one: Artigo
+        other: Artigos
+    attributes:
+      article:
+        title: Título
+        body: Conteúdo
+        category: Categoria

config/locales/models/category/en.yml

@@ -0,0 +1,10 @@
+en:
+  activerecord:
+    models:
+      category:
+        one: Category
+        other: Categories
+    attributes:
+      category:
+        articles: Articles
+        name: Name

config/locales/models/category/pt-BR.yml

@@ -0,0 +1,10 @@
+pt-BR:
+  activerecord:
+    models:
+      category:
+        one: Categoria
+        other: Categorias
+    attributes:
+      category:
+        articles: Artigos
+        name: Nome

config/locales/models/comment/en.yml

@@ -0,0 +1,9 @@
+en:
+  activerecord:
+    models:
+      comment:
+        one: Comment
+        other: Comments
+    attributes:
+      comment:
+        body: Body

config/locales/models/comment/pt-BR.yml

@@ -0,0 +1,9 @@
+pt-BR:
+  activerecord:
+    models:
+      comment:
+        one: Comentário
+        other: Comentários
+    attributes:
+      comment:
+        body: Conteúdo

config/locales/views/articles/en.yml

@@ -9,3 +9,17 @@ en:
     index:
       subtitle: From my Experience
       new_article: New Article
+    new:
+      title: New Article
+    create:
+      success: Article was successfully created.
+    update:
+      success: Article was successfully updated.
+    destroy:
+      success: Article was successfully destroyed.
+    form:
+      choose_category: Choose a Category
+    show:
+      comments: Comments
+      add_comment: "Add a comment:"
+      login_create_comment: Please, login to create a comment.