#Class Pizza
class Pizza < ApplicationRecord
	has_many :ingredient_uses
end

#Class Ingredient
class Ingredient < ApplicationRecord
 	has_many :ingredient_uses
end

#Class IngredientUse
class IngredientUse < ApplicationRecord
  belongs_to :pizza
  belongs_to :ingredient
end

#View Show Pizza
<div class="panel-info">
	<div class="panel-heading">
		<h2><%= @title %></h2>
	</div>
	<div class="panel-body">
		<table class="table">
			<thead>
				<tr>
					<th>Value</th><th>Size</th><th>Description</th>
				</tr>
			</thead>
			<tbody>
				<tr>
					<td><%= number_to_currency(@pizza.value, unit: '$') %></td>
					<td><%= @pizza.size %></td>
					<td><%= @pizza.description %></td>
				</tr>
			</tbody>
		</table>
	</div>
	<div class="panel-footer">
		<%= link_to 'Back', pizzas_path, class: "btn btn-default" %>
		<%= link_to 'Edit', edit_pizza_path(@pizza), class: "btn btn-info" %>
		<%= link_to 'Delete', pizza_path(@pizza), method: :delete, data: {confirm: 'Delete this pizza?'}, class: "btn btn-danger" %>
		<%= link_to 'Add Ingredient', new_pizza_ingredient_use_path(@pizza), class: "btn btn-info" %>
	</div>
</div>

#Form IngredientUse
<h2>Add Ingredient</h2>

<%= form_for @ingredient_use do |f| %>

<p>
	<%= f.label :quantity %>
	<%= f.text_field :quantity %>
</p>


<% end %>

#IngreditUse Controller
class IngredientUsesController < ApplicationController

	def new
		@ingredient_use = IngredientUse.new
	end

	def create
		@pizza = Pizza.find(params[:id])
    #rest of code
	end

	private
	def ingredientuses_params
		params.require(:ingredient_use).permit(:quantity, :description, :pizza, :ingredient)
	end
end

#Error on click Add ingredient link
undefined method `ingredient_uses_path' for #<#<Class:0x000000028630b0>:0x00000004b53318>
Did you mean?  ingredient_path
               ingredients_path