<?php
namespace App\Services\Content;

use App\Models\AdCategory;
use App\Repositories\AdCategoryRepository;
use App\Repositories\AdRepository;

class AdService
{

    /**
     * @var AdCategoryRepository
     */
    protected $adCategoryRepository;
    protected $adRepository;

    public function __construct(AdCategoryRepository $adCategoryRepository, AdRepository $adRepository)
    {
        $this->adCategoryRepository = $adCategoryRepository;
        $this->adRepository = $adRepository;
    }

    public function getAds($data)
    {
        $where = array();
        $theme = 'default';
        if (array_key_exists('theme', $data)) {
            $theme = $data['theme'];
        }
        $where['c.theme'] = $theme;

        $org = 'Home';
        if (array_key_exists('org', $data)) {
            $org = $data['org'];
        }
        $where['c.org'] = $org;
        //错误提示
        if (!in_array($org, array('Home','Mobile','Apk'))) {
            throw new \Exception('参数不正确');
        }

        if (array_key_exists('alias', $data)) {
            $alias = $data['alias'];
            $where['c.alias'] = $alias;
        }
        $where['is_display'] = 1;

        $limit = $data['num'];
        //获取广告信息
        $ads = $this->adRepository->getAds($where, $limit);
        return $ads;
    }


}