articles_controller.rb

class ArticlesController < ApplicationController
    def new
      @article = Article.new
    end

    def create
        @article = Article.new(article_params)

        if @article.save
          redirect_to @article
        else
          render 'new'
        end
    end

    def show
        @article = Article.find(params[:id])
        @owner = 'Armand'
    end

    def edit
        @article = Article.find(params[:id])
    end

    def update
        @article = Article.find(params[:id])

        if Article.update(article_params)
          redirect_to @article
        else
          render 'edit'
        end
    end

    def index
        @articles = Article.all
    end

    private
      def article_params
          params.require(:article).permit(:title, :text)
      end
end