<?php

namespace App\Http\Controllers;

use App\Models\Advert;
use App\Models\Category;

class CategoryController extends Controller
{

    /**
     * 显示分类
     * @param Category $category [description]
     * @return [type]             [description]
     */
    public function index(Category $category)
    {
        if ($category->type == Category::TYPE_SHOW && $category->article_id) {
            return redirect("articles/" . $category->article_id);
        } else {
            $articles = $category->relations(Category::TYPE_ARTICLE)->paginate(8);
            $parent   = $category;
            if ($category->childrens->isEmpty() && $category->patent) {
                $parent = $category->parent;
            }

            $advert = Advert::where('category_id', 73)->first();

            return view('category.show', compact('articles', 'category', 'parent', 'advert'));
        }
    }

}