bourse/app/home/controller/Carousel.php

<?php

namespace app\home\controller;

use app\home\service\CarouselService;
use app\model\BannerModel;
use app\model\LanguageSettingModel;
use think\response\Json;

class Carousel extends HomeBaseController
{

    /**
     * 获取首页广告图
     * @return Json
     */
    public function getCarousel(): Json
    {
        $result = (new CarouselService())->getCarousel();
        return json($result);
    }

    // 广告图
    public function index()
    {
        // 语言筛选
        $lang = $this->request->header('Language');
        if(empty($lang)){
            $lang = 'zh-cn';
        }

        $langId = 1;
        $langModel = LanguageSettingModel::where('language_code', $lang)->find();
        if(!empty($langModel)){
            $langId = $langModel->id;
        }

        $banner = BannerModel::where('status', BannerModel::STATUS_ON)
            ->where('is_delete', BannerModel::IS_DELETE_NO)
            ->where('lang', $langId)
            ->select();

        $res = [];
        if(!$banner->isEmpty()){
            foreach ($banner as $item){
                $res[] = [
                    'id' => $item['id'],
                    'title' => $item['title'],
                    'content' => $item['content'],
                    'image' => $item['path'],
                    'redirect_url' => '',
                    'type'=> '1'
                ];
            }
        }

        return json([
            'code'=>'0',
            'message' => 'Request successful.',
            'data' => $res,
        ]);
    }

    // 广告图详情
    public function detail()
    {
        $id = $this->request->param('id');
        if(empty($id)){
            return json([
                'code'=>'0',
                'message' => 'Request successful.',
                'data' => ['content' => '','title'=>''],
            ]);
        }

        $banner = BannerModel::where('id', $id)->where('status', BannerModel::STATUS_ON)->find();
        if(empty($banner)){
            return json([
                'code'=>'0',
                'message' => 'Request successful.',
                'data' => ['content' => '','title'=>''],
            ]);
        }


        // 判断是否修改了语言
        $lang = $this->request->header('Language');
        if(empty($lang)){
            return json([
                'code'=>'0',
                'message' => 'Request successful.',
                'data' => ['content' => $banner['content'],'title'=>$banner['title']],
            ]);
        }

        // 无效语言
        $langModel = LanguageSettingModel::where('language_code', $lang)->find();
        if(empty($langModel)){
            return json([
                'code'=>'0',
                'message' => 'Request successful.',
                'data' => ['content' => $banner['content'],'title'=>$banner['title']],
            ]);
        }

        // 语言相同
        if($langModel['id'] == $banner['lang']){
            return json([
                'code'=>'0',
                'message' => 'Request successful.',
                'data' => ['content' => $banner['content'],'title'=>$banner['title']],
            ]);
        }

        // 查询同名 其他语言文件
        $bannerChange = BannerModel::where('name', $banner['name'])
            ->where('status', BannerModel::STATUS_ON)
            ->where('lang', $langModel['id'])
            ->find();
        if(empty($bannerChange)){
            return json([
                'code'=>'0',
                'message' => 'Request successful.',
                'data' => ['content' => $banner['content'],'title'=>$banner['title']],
            ]);
        }

        // 返回原数据
        return json([
            'code'=>'0',
            'message' => 'Request successful.',
            'data' => ['content' => $bannerChange['content'],'title'=>$bannerChange['title']],
        ]);

    }
}