lanzu_api_2021-12-26/app/Controller/v3/CategoryController.php

<?php

namespace App\Controller\v3;

use App\Controller\BaseController;
use App\Service\v3\Interfaces\CategoryServiceInterface;
use App\Service\v3\Interfaces\BannerServiceInterface;
use App\Constants\v3\Banner;
use Hyperf\Di\Annotation\Inject;

class CategoryController extends BaseController
{
    /**
     * @Inject
     * @var CategoryServiceInterface
     */
    protected $categoryService;

    /**
     * @Inject
     * @var BannerServiceInterface
     */
    protected $bannerService;

    /**
     * 获取分类页所有分类
     * 1、无参数
     * 2、远程关联获取所有分类信息
     * @return \Psr\Http\Message\ResponseInterface
     */
    public function all()
    {

        $category = $this->categoryService->all();

        //mock datas
        $gmarket_id = $this->request->input('gmarket_id', 0);
        if($gmarket_id == -1 ) $gmarket_id = 0;

        $banners = $this->bannerService->all(Banner::TYPE_APPLET_INDEX, $gmarket_id);
        foreach ($category as $key => &$item) {
            $hot_types = [];
            if(count($item['goods_types']) > 4){
                $hot_types = array_slice($item['goods_types'],0,2);
            }

            $hot_titles = ['当季热销','为你推荐','热卖品类'];
            $rand_index =  rand(0,2);
            $type_banners = [];
            if(count($banners)>0){
                $r = rand(0,count($banners)-1);

                $type_banners = [$banners[$r]];
            }
            
            $item['hot_category'] = ['title'=>$hot_titles[$rand_index],'goods_types'=>$hot_types,'banners'=>$type_banners];
            
        }

        return $this->success(['category' => $category]);
    }
}