foo.rb

def create
    begin
      @todo_list = TodoList.find(params[:todo_list_id])
      @todo_item = @todo_list.todo_items.new(todo_item_params)
      if @todo_item.save
        flash[:success] = "Added todo list item."
        redirect_to todo_list_todo_items_path
      else
        flash[:error] = "There was a problem adding that todo list item."
        render action: :new
      end
    rescue ActiveRecord::RecordNotFound
      redirect_to new_todo_list_path
    end
  end

def destroy
    begin
      @todo_list = TodoList.find_by(id: params[:todo_list_id])
      @todo_item = @todo_list.todo_items.destroy(params[:id])
      puts @todo_item
      puts "------------------------------------------------"
      flash[:success] = "Your todo item was successfully removed."
      redirect_to todo_list_todo_items_path
    rescue ActiveRecord::RecordNotFound
      redirect_to new_todo_list_path
    end
  end