Controllers

Generate and Destroy a Controller

rails g controller Post
rails g scaffold_controller Post
rails destroy controller Post

Code

class ProductsController < ApplicationController
  before_action :set_product, only: [:show, :edit, :update, :destroy]

  def index
    @products = Product.all
  end

  def show
  end

  def new
    @product = Product.new
  end

  def create
    @product = Product.new(product_params)

    if @product.save
      redirect_to @product, notice: 'Product was successfully created.'
    else
      render :new
    end
  end

  def edit
  end

  def update
    if @product.update(product_params)
      redirect_to @product, notice: 'Product was successfully updated.'
    else
      render :edit
    end
  end

  def destroy
    @product.destroy
    redirect_to products_url, notice: 'Product was successfully destroyed.'
  end

  private

  def set_product
    @product = Product.find(params[:id])
  end

  def product_params
    params.require(:product).permit(:name, :sku, :count, :description, :supplier, :popularity, :price, :available, :availableSince, :image)
  end
end

before_action
after_action
index,new,create,show,update,destroy
private
params
params.require.permit()
layout
@
flash
return
respond_with
redirect_to