Add comments translations

Co-Authored-By: Sebastia <sebastia.roig@gmail.com>

app/models/comment.rb

@@ -18,7 +18,10 @@ class Comment < ApplicationRecord
 
   attr_accessor :as_moderator, :as_administrator
 
-  validates :body, presence: true
+  translates :body, touch: true
+  include Globalizable
+
+  validates_translation :body, presence: true
   validates :user, presence: true
 
   validates :commentable_type, inclusion: { in: COMMENTABLE_TYPES }

db/migrate/20181205102153_add_comments_translations.rb

@@ -0,0 +1,14 @@
+class AddCommentsTranslations < ActiveRecord::Migration[4.2]
+  def self.up
+    Comment.create_translation_table!(
+      {
+        body:               :text
+       },
+      { migrate_data: true }
+    )
+  end
+
+  def self.down
+    Comment.drop_translation_table!
+  end
+end

db/schema.rb

@@ -415,6 +415,16 @@ ActiveRecord::Schema.define(version: 20190607160900) do
     t.index ["type"], name: "index_ckeditor_assets_on_type", using: :btree
   end
 
+  create_table "comment_translations", force: :cascade do |t|
+    t.integer  "comment_id", null: false
+    t.string   "locale",     null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.text     "body"
+    t.index ["comment_id"], name: "index_comment_translations_on_comment_id", using: :btree
+    t.index ["locale"], name: "index_comment_translations_on_locale", using: :btree
+  end
+
   create_table "comments", force: :cascade do |t|
     t.integer  "commentable_id"
     t.string   "commentable_type"

spec/models/comment_spec.rb

@@ -5,6 +5,7 @@ describe Comment do
   let(:comment) { build(:comment) }
 
   it_behaves_like "has_public_author"
+  it_behaves_like "globalizable", :comment
 
   it "is valid" do
     expect(comment).to be_valid