turbovault-app/app/controllers/items_controller.rb

class ItemsController < ApplicationController
  before_action :require_authentication
  before_action :set_item, only: [ :show, :edit, :update, :destroy ]

  def index
    @items = current_user.items.includes(:platform).order(date_added: :desc).page(params[:page]).per(25)
    @platforms = Platform.order(:name)
  end

  def show
  end

  def new
    @item = current_user.items.build
    @platforms = Platform.order(:name)
  end

  def create
    @item = current_user.items.build(item_params)

    if @item.save
      redirect_to @item, notice: "Item was successfully created."
    else
      @platforms = Platform.order(:name)
      render :new, status: :unprocessable_entity
    end
  end

  def edit
    @platforms = Platform.order(:name)
  end

  def update
    if @item.update(item_params)
      redirect_to @item, notice: "Item was successfully updated."
    else
      @platforms = Platform.order(:name)
      render :edit, status: :unprocessable_entity
    end
  end

  def destroy
    @item.destroy
    redirect_to items_path, notice: "Item was successfully deleted."
  end

  private

  def set_item
    @item = current_user.items.find(params[:id])
  end

  def item_params
    params.require(:item).permit(
      :name, :item_type, :platform_id, :condition, :price_paid,
      :location, :date_added, :notes, :igdb_id
    )
  end
end