fab-manager/app/controllers/api/categories_controller.rb

# frozen_string_literal: true

# API Controller for resources of type Category
# Categories are used to classify Events
class API::CategoriesController < API::APIController
  before_action :authenticate_user!, except: [:index]
  before_action :set_category, only: %i[show update destroy]

  def index
    @categories = Category.all
  end

  def show; end

  def create
    authorize Category
    @category = Category.new(category_params)
    if @category.save
      render :show, status: :created, location: @category
    else
      render json: @category.errors, status: :unprocessable_entity
    end
  end

  def update
    authorize Category
    if @category.update(category_params)
      render :show, status: :ok, location: @category
    else
      render json: @category.errors, status: :unprocessable_entity
    end
  end

  def destroy
    authorize Category
    if @category.safe_destroy
      head :no_content
    else
      render json: @category.errors, status: :unprocessable_entity
    end
  end

  private

  def set_category
    @category = Category.find(params[:id])
  end

  def category_params
    params.require(:category).permit(:name)
  end
end