useds/app/common/controller/UsedCarController.php

<?php
namespace app\common\controller;

use app\common\controller\BaseController;
use app\common\model\UsedCar;
use app\common\model\UsedCarPdfLog;
use app\common\model\User;
use app\common\service\OssService;
use app\common\service\SparkService;
use app\common\traits\crud\CrudControllerTrait;
use app\common\service\UsedCarService;
use app\common\utils\pdf\service\MpdfDriver;
use app\queue\utils\XunfeiFanyi;
use support\exception\BusinessException;
use support\Request;

class UsedCarController extends BaseController
{
    use CrudControllerTrait;

    protected $service;

    protected $noNeedLogin = ['downloadPdf'];

    protected $noNeedHeaderData = ['downloadPdf'];

    protected $lang = [
        'en' => '英语',
        'ru' => '俄语',
        'es' => '西班牙语',
        'ar' => '阿拉伯语',
    ];
    protected $currency = [
        'USD' => '$',
        'RUB' => '₽',
        'AED' => 'د.إ',
        'EUR' => '€',
    ];

    public function __construct()
    {
        $this->service = new UsedCarService();
    }

    /**
     * 列表页数据格式化
     *
     * @param array $data
     * @return array
     */
     protected function indexFormat($data)
     {
         if (isset($data['created_at']))
             $data['created_at'] = date('Y-m-d H:i:s', $data['created_at']);
         if (isset($data['updated_at']))
             $data['updated_at'] = date('Y-m-d H:i:s', $data['updated_at']);
         if (!empty($data['images'])){
             $images = explode(',', $data['images']);
             $ossService = new OssService();
             $images_pull = [];
             foreach ($images as $image){
                 $images_pull[] = $ossService->generatePrivateUrl($image);
             }
             $data['images_pull'] = $images_pull;

         }
         return $data;
     }

    /**
     * 列表页数据格式化
     *
     * @param array $data
     * @return array
     */
     protected function showFormat($data)
     {
         if (isset($data['created_at']))
             $data['created_at'] = date('Y-m-d H:i:s', $data['created_at']);
         if (isset($data['updated_at']))
             $data['updated_at'] = date('Y-m-d H:i:s', $data['updated_at']);
         if (!empty($data['images'])){
             $images = explode(',', $data['images']);
             $ossService = new OssService();
             $images_pull = [];
             foreach ($images as $image){
                 $images_pull[] = $ossService->generatePrivateUrl($image);
             }
             $data['images_pull'] = $images_pull;

         }else{
             $data['images_pull'] = [];
         }
         if (!empty($data['attachment'])){
             //$attachments = explode(',', $data['attachment']);
             $attachments = json_decode($data['attachment'], true);
             $ossService = new OssService();
             $attachment_pull = [];
             foreach ($attachments as $attachment){
                 $attachment_pull[] = [
                     'name'=>$attachment['name'],
                     'src'=>$ossService->generatePrivateUrl($attachment['src'])
                 ];
             }
             $data['attachment_pull'] = $attachment_pull;

         }else{
             $data['attachment_pull'] = [];
         }

         return $data;
     }

     public function crawlKeyword(Request $request){
         try {
//             $keyword = $request->get('keyword');
             $data = $this->service->crawlKeyword($request);
             return $this->success($data);
         } catch (\Throwable $e) {
             return $this->error($e->getMessage());
         }
     }

    /**
     * 生成pdf
     * @param Request $request
     * @return \support\Response
     */
     public function producePdf(Request $request){
         try {
             $price = $request->get('price');
             $lang = $request->get('lang');
             $currency = $request->get('currency');
             if(empty($price)){
                 throw new BusinessException("请输入生成pdf中的价格");
             }
             if(empty($lang) || empty($this->lang[$lang])){
                 throw new BusinessException("语种错误");
             }
             if(empty($currency) || empty($this->currency[$currency])){
                 throw new BusinessException("币种错误");
             }
             $raw = $this->service->serviceShow($request);
             $data = $this->transformData($raw, method_exists($this, 'showFormat')
                 ? [$this, 'showFormat']
                 : null);
             $images = [];
             foreach ($data['images_pull'] as $image){
                 $images[] = $this->service->downloadImage($image);
             }
             $data['images'] = $images;

             $attachments = [];
             foreach ($data['attachment_pull'] as $attachment){
                 // 方法1：使用 pathinfo
                 $path = parse_url($attachment['src'], PHP_URL_PATH); // 获取路径部分
                 $extension = pathinfo($path, PATHINFO_EXTENSION); // 获取扩展名

                 if (strtolower($extension) === 'pdf') { //如果是pdf则下载到本地
                     $attachments[] = $this->service->downloadAttachment($attachment['src']);
                 }
             }
             $data['attachment'] = $attachments;
             $data['price'] = $price;
             $user = User::where('id',$request->user['id'])->first();
             $contact = $user['email'] ?? $user['phone'] ?? $user['whatsapp'] ?? null;
             if(!empty($user['social_code'])){
                 $ossService = new OssService();
                 $user['social_code'] = $ossService->generatePrivateUrl($user['social_code']);
                 $user['social_code'] = $this->service->downloadImage($user['social_code']);
             }

             $field = $this->field($lang);//字段相关外文
             $field['currency'] = $this->currency[$currency];
             $data = $this->fanyi($data, $lang);//车辆字段翻译外文
             $contactField = $this->contact($lang); //名片相关外文
             $pdf = (new MpdfDriver())->exportUsedCarPdf($field,$data,$user,$contactField,$contact,$lang);
             UsedCar::where('id', $data['id'])->update(['pdf_src' => $pdf]);

             array_map('unlink', glob(runtime_path('pdf/images/*.jpg')));
             array_map('unlink', glob(runtime_path('pdf/attachment/*.pdf')));

             UsedCarPdfLog::create([
                 'user_id' => $request->user['id'],
                 'used_car_id' => $request->get('id'),
                 'price_snapshot' => $price,
                 'pdf_path' => $pdf,
             ]);
             return $this->success($pdf);
         } catch (\Throwable $e) {
             return $this->error($e->getMessage().$e->getLine().$e->getFile());
         }
     }

     public function downloadPdf(Request $request){
         $raw = $this->service->serviceShow($request);
         $filePath = runtime_path('pdf') .'/'. $raw['pdf_src'];

         if (!file_exists($filePath)) {
             return response($filePath.'文件不存在', 404);
         }

         return response()->download(
             $filePath,
             $raw['product_name'].'-'.$raw['id'].'.pdf'   // 下载时显示的文件名
         );
     }

     public function fanyi($data, $to){
         foreach ($data as $k => $v) {
             if (in_array($k, ['product_name', 'source_place', 'body_color', 'condition_desc']) && !empty(trim($v))) {
//                 $xunfei = new XunfeiFanyi();
//                 $data[$k] = $xunfei->fanyi($v, $from = 'cn', $to);

                 $toLang = $this->lang[$to];
                 $spark = new SparkService();
                 $str = $spark->chat("将“{$v}”翻译为{$toLang},不要有多余的描述");
                 if(!empty($str)){
                     $str = preg_replace('/[\x{4e00}-\x{9fa5}]/u', '', $str);
                     $data[$k] =str_replace(['(',')','（','）','"'], '', $str);
                 }else{
                     $data[$k] = '';
                 }
             }
         }
         return $data;
     }

    /**
     * 字段名
     * @param $data
     * @param $to
     * @return mixed
     */
     public function field($to){
         $field = [
             'cn' => [
                 'price' => '车价',
                 'source_place' => '车源地',
                 'plate_time' => '上牌时间',
                 'displacement' => '排量',
                 'mileage' => '里程',
                 'power' => '马力',
                 'body_color' => '车身颜色',
                 'created_at' => '创建时间',
                 'condition_desc' => '车况介绍',
                 'images' => '产品图',
             ],

             'en' => [
                 'price' => 'Price',
                 'source_place' => 'Vehicle Location',
                 'plate_time' => 'Registration Date',
                 'displacement' => 'Engine Displacement',
                 'mileage' => 'Mileage',
                 'power' => 'Horsepower',
                 'body_color' => 'Body Color',
                 'created_at' => 'Created At',
                 'condition_desc' => 'Vehicle Condition',
                 'images' => 'Product image',
             ],

             'ru' => [
                 'price' => 'Цена',
                 'source_place' => 'Местонахождение автомобиля',
                 'plate_time' => 'Дата регистрации',
                 'displacement' => 'Объём двигателя',
                 'mileage' => 'Пробег',
                 'power' => 'Мощность',
                 'body_color' => 'Цвет кузова',
                 'created_at' => 'Дата создания',
                 'condition_desc' => 'Состояние автомобиля',
                 'images' => 'Фотографии',
             ],

             'es' => [
                 'price' => 'Precio',
                 'source_place' => 'Ubicación del vehículo',
                 'plate_time' => 'Fecha de matriculación',
                 'displacement' => 'Cilindrada',
                 'mileage' => 'Kilometraje',
                 'power' => 'Potencia',
                 'body_color' => 'Color de la carrocería',
                 'created_at' => 'Fecha de creación',
                 'condition_desc' => 'Estado del vehículo',
                 'images' => 'Imagen del producto',
             ],

             'ar' => [
                 'price' => 'السعر',
                 'source_place' => 'موقع السيارة',
                 'plate_time' => 'تاريخ التسجيل',
                 'displacement' => 'سعة المحرك',
                 'mileage' => 'المسافة المقطوعة',
                 'power' => 'قوة المحرك',
                 'body_color' => 'لون الهيكل',
                 'created_at' => 'تاريخ الإنشاء',
                 'condition_desc' => 'حالة السيارة',
                 'images' => 'خريطة المنتج',
             ],
         ];
         return $field[$to];
//         foreach ($field as $k => $v) {
////             $xunfei = new XunfeiFanyi();
////             $field[$k] = $xunfei->fanyi($v, $from = 'cn', $to);
//             $toLang = $this->lang[$to];
//             $spark = new SparkService();
//             $field[$k] = $spark->chat("“{$v}”翻译为{$toLang},不要有多余的描述");
//         }
//         return $field;
     }

    /**
     * 名片外文
     */
     public function contact($to){
         $contactField = [
             'cn' => [
                 'title' => '联系人名片',
                 'name' => '姓名',
                 'email' => '邮箱',
                 'phone' => '电话',
                 'WhatsApp' => 'WhatsApp',
                 'code' => '二维码',
                 'left' => '扫码即可联系本人',
                 'right' => '本资料随PDF自动生成',
             ],

             'en' => [
                 'title' => 'Contact Name Card',
                 'name' => 'Name',
                 'email' => 'Email',
                 'phone' => 'Phone',
                 'WhatsApp' => 'WhatsApp',
                 'code' => 'QR Code',
                 'left' => 'Scan the code to contact me',
                 'right' => 'This information is automatically generated with the PDF',
             ],

             'ru' => [
                 'title' => 'Контактная карточка',
                 'name' => 'Имя',
                 'email' => 'Электронная почта',
                 'phone' => 'Телефон',
                 'WhatsApp' => 'WhatsApp',
                 'code' => 'QR-код',
                 'left' => 'Код позволяет связаться с самим собой.',
                 'right' => 'Эта информация автоматически генерируется с помощью PDF',
             ],

             'es' => [
                 'title' => 'Tarjeta de visita de contacto',
                 'name' => 'Nombre',
                 'email' => 'Correo electrónico',
                 'phone' => 'Teléfono',
                 'WhatsApp' => 'WhatsApp',
                 'code' => 'Código QR',
                 'left' => 'Escanee el Código para contactarme.',
                 'right' => 'Esta información se genera automáticamente con pdf',
             ],

             'ar' => [
                 'title' => 'بطاقة الاتصال',
                 'name' => 'الاسم',
                 'email' => 'البريد الإلكتروني',
                 'phone' => 'الهاتف',
                 'WhatsApp' => 'واتساب',
                 'code' => 'رمز QR',
                 'left' => 'اكتساح رمز الاتصال بي',
                 'right' => 'هذه المعلومات تلقائيا مع قوات الدفاع الشعبي',
             ],
         ];

         return $contactField[$to];
     }

    public function getPdf(Request $request)
    {
        try {
            $raw = $this->service->serviceShow($request);
            $filePath = runtime_path('pdf') . '/' . $raw['pdf_src'];

            if (empty($raw['pdf_src']) || !file_exists($filePath)) {
                throw new BusinessException('文件不存在');
            }

            // 确保 public/pdf 存在
            $publicDir = public_path('pdf');
            if (!is_dir($publicDir)) {
                mkdir($publicDir, 0755, true);
            }

            // 拷贝到 public 目录
            $publicFile = $publicDir . '/' . $raw['pdf_src'];
            if (!file_exists($publicFile)) {
                copy($filePath, $publicFile);
            }
            
            // 从连接中获取协议（最可靠）
            $connection = $request->connection;
            $protocol = 'https';
            if ($connection && property_exists($connection, 'transport')) {
                $protocol = $connection->transport === 'ssl' ? 'https' : 'http';
            }

            // 返回访问地址
            $baseUrl = $protocol.'://' . request()->header('host');
            $url = $baseUrl . '/pdf/' . $raw['pdf_src'];

            return $this->success([
                'pdf_url' => $url,
                'file_name' => $raw['product_name'] . '-' . $raw['id'] . '.pdf'
            ]);
        } catch (\Throwable $e) {
            return $this->error($e->getMessage());
        }
    }

}