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POhas_may for a vote app
 

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    <p>I'm new on rails and I'm trying to make my own simple vote application. I have two models:</p> <pre><code>class Product &lt; ActiveRecord::Base attr_accessible :description, :title, :photo has_many :votes has_attached_file :photo, :styles =&gt; { :medium =&gt; "300x300" } before_save { |product| product.title = title.titlecase } validates :title, presence: true, uniqueness: { case_sensitive: false } validates :photo, :attachment_presence =&gt; true end class Vote &lt; ActiveRecord::Base belongs_to :product attr_accessible :user_id end </code></pre> <p>here is the product controller</p> <pre><code>class ProductsController &lt; ApplicationController http_basic_authenticate_with :name =&gt; "dhh", :password =&gt; "secret", :except =&gt; [:index] def index @products = Product.all end def indexprv @products = Product.all end def show @product = Product.find(params[:id]) end def edit @product = Product.find(params[:id]) end def new @product = Product.new end def create @product = Product.new(params[:product]) if @product.save redirect_to @product else render 'new' end end def update @product = Product.find(params[:id]) if @product.update_attributes(params[:product]) flash[:success] = "Producto Actualizado" redirect_to root_path else render 'edit' end end def destroy Product.find(params[:id]).destroy flash[:success] = "Producto Eliminado." redirect_to root_path end end </code></pre> <p>I have many questions. </p> <p>How can I show the total votes per products on my index page of products?</p> <p>How can I create a button on my index product page to add a vote for a product?</p> <p>I don't know how to do this and I couldn't find any tutorial o blog with a similar example.</p> <p>Thanks for your help.</p>
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