order books in serie

app/controllers/series_controller.rb

@@ -4,7 +4,7 @@ class SeriesController < ApplicationController
 	before_action :preferences, only: :index
 
 	def show
-		@serie = Serie.find(params[:id])
+		@serie = Serie.includes(books: :authors).references(:book).find(params[:id])
 		@title = @serie.name
 	end
 
@@ -14,7 +14,7 @@ class SeriesController < ApplicationController
 			.references(:books)
 			.order(:sort)
 			.paginate(pagination)
-		@title = "Series"
+		@title = t(:series)
 		respond_to do |format|
 			format.html 
 			format.js

app/models/book.rb

@@ -1,5 +1,6 @@
 class Book < ActiveRecord::Base
 	establish_connection Rails.configuration.database_configuration["calibre"]
+  scope :in_serie, -> { order(:series_index) }
 
 	has_and_belongs_to_many :authors,
 		join_table: "books_authors_link",

app/views/series/show.html.erb

@@ -9,7 +9,7 @@
 	<%= t(:serie_book, count: @serie.books.count) %>
 </h2>
 <ul>
-<% @serie.books.each do |book| %>
+<% @serie.books.in_serie.each do |book| %>
 	<li><%= book.series_index.to_i %>. <%= link_to book.title, book %></li>
 <% end %>
 </ul>