compliment_controller.rb

  def create
    Compliment.create compliment_params
    redirect_to '/compliments/index'
  end

routes.rb

  post 'compliments/index' => 'compliments#create'
  post 'compliments/index' => 'compliments#add_to_cart'

shopping_carts_controller.rb

  def add_to_cart
    @compliment_cart = Compliment.find(params[:compliment_id])
    @shopping_cart.add(@compliment_cart, @compliment_cart.price)
    redirect_to '/compliments/index'
  end

view.slim

/CODE POUR ADMIN
- if @user.role == "Admin"
  p
  | ==================== Espace Admin ===================

  p Bonjour M. l'Administrateur ! Ajouter des compliments ?

  /Add boostrap form
  div class="col-lg-12 col-md-12 col-sm-12 col-xs-12"
    div class="col-lg-4 col-md-4 col-sm-4 col-xs-4"
      = bootstrap_form_for @compliment, url: {action: "create"} do |f|
        br
        = f.text_field :category
        = f.text_area :content
        = f.number_field :price
        = f.submit class: "btn btn-primary btn-lg center-block"
        br
  p
  | ==================== Espace Client ===================
/CODE POUR CLIENT
- else
  p Bonjour #{@user.name}

h2 Les compliments suivants sont disponibles à l'achat :


- @compliments.each do |compliment|
  br
  .ul class='list-group'
    li class="list-group-item row"
      .textlist class="col-lg-10 col-md-10 col-sm-10 col-xs-9"
        .element_compliments
          h4 <b>Catégorie :</b>  #{compliment.category}
        .element_compliments
          h4 <b>Description :</b> #{compliment.content}
        .element_compliments
          h4 <b>Prix du compliment :</b> #{compliment.price} euros
        .element_compliments
          h4 <b>Quantite dans panier :</b> #{shopping_quantity(compliment)}
      = link_to raw('<i class="fa fa-cart-plus"><br><br>Ajouter</i>'),
          shopping_cart_path(:compliment_id => compliment.id),
          class: "btn btn-primary btn-right col-lg-1 col-md-1 col-sm-2 col-xs-3",
          method: :POST


= link_to raw('<i class="fa fa-cart-plus"><br><br>Checkout</i>'),
    shopping_cart_path,
    class: "btn btn-primary btn-right col-lg-1 col-md-1 col-sm-2 col-xs-3"