Fix view of orders/new

app/assets/javascripts/orders.js.coffee

@@ -1,3 +1,15 @@
 # Place all the behaviors and hooks related to the matching controller here.
 # All this logic will automatically be available in application.js.
 # You can use CoffeeScript in this file: http://coffeescript.org/
+ready = ->
+  $('.btn-inc').on 'click', ->
+    input = $(this).parent().parent().find('input').first()
+    input.val(parseInt(input.val()) + 1)
+
+  $('.btn-dec').on 'click', ->
+    input = $(this).parent().parent().find('input').first()
+    if input.val() != '0'
+      input.val(parseInt(input.val()) - 1)
+
+$(document).ready(ready)
+$(document).on('page:load', ready)

app/controllers/orders_controller.rb

@@ -8,26 +8,29 @@ class OrdersController < ApplicationController
     @user = User.find(params[:user_id])
     @order = @user.orders.build
     @products = Product.all
+    @order_products = @order.order_products
+
+    @products.each do |p|
+      @order.order_products.build(product: p)
+    end
   end
 
 
   def create
     @user = User.find(params[:user_id])
-    @order = @user.orders.build(order_params)
-    if @order.save
-      #flash[:success] = "order created!"
-      redirect_to overview_path
-    else
-      @products = Product.all
-      render 'new'
+    @order = @user.orders.build
+    @products = Product.all
+    @order_products = @order.order_products
 
+    @products.each do |p|
+      @order.order_products.build(product: p)
     end
+    render 'new'
   end
 
   private
 
     def order_params
-      #params.require(:order).permit(:products)
-      #
+      params.require(:order).permit(:products)
     end
 end

app/models/order.rb

@@ -11,6 +11,8 @@ class Order < ActiveRecord::Base
     end
   end
 
+  accepts_nested_attributes_for :order_products
+
   default_scope -> { order('created_at DESC') }
 
 end

app/models/order_product.rb

@@ -1,4 +1,6 @@
 class OrderProduct < ActiveRecord::Base
   belongs_to :order
   belongs_to :product
+
+  accepts_nested_attributes_for :product
 end

app/views/orders/new.html.erb

@@ -1,10 +1,25 @@
 <%= @user.name %>
 
-<% @products.each do |p| %>
-  <%= render "orders/order_button" , p: p %>
-<% end %>
-
 <%= form_for( @order, url: user_orders_path(@user)) do |f| %>
+  <% @order_products.each do |op| %>
+    <%= f.fields_for :products do |products| %>
+      <%= products.fields_for op.product.id.to_s do |product_field| %>
+          <div class="input-group">
+            <span class="input-group-btn">
+            <button class="btn btn-default btn-dec" type="button">
+              <span class="glyphicon glyphicon-minus"></span>
+            </button>
+          </span>
+          <%= product_field.text_field :count, class: 'form-control', value: 0 %>
+          <span class="input-group-btn">
+            <button class="btn btn-default btn-inc" type="button">
+              <span class="glyphicon glyphicon-plus"></span>
+            </button>
+          </span>
+        </div>
+      <% end %>
+    <% end %>
+  <% end %>
   <%= f.submit "Order", class: "btn btn-primary " %>
 <% end %>