425 lines
14 KiB
PHP
425 lines
14 KiB
PHP
<?php
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namespace app\common\service;
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use app\common\validate\UsedCarValidate;
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use app\common\traits\crud\CrudServiceTrait;
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use app\common\model\UsedCar;
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use GuzzleHttp\Client;
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use support\exception\BusinessException;
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use support\Log;
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use support\Request;
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use app\common\model\User;
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use support\Redis;
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class UsedCarService
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{
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use CrudServiceTrait;
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/**
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* 指定当前要操作的模型
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*/
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protected string $modelClass = UsedCar::class;
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/**
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* 验证器
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*/
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protected $validator = UsedCarValidate::class;
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/**
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* 获取验证器
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*/
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public function getValidator()
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{
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return new $this->validator;
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}
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/**
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* 构造 CrudUtil 查询配置
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*/
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protected function buildQueryConfig(Request $request, string $scene = 'default'): array
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{
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$p = $request->all();
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$config = [];
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$config['model'] = $this->modelClass;
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switch ($scene) {
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case 'default':
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$config['where']['status'] = 1;
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$config['order']['sort'] = 'desc';
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$config['order']['id'] = 'desc';
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break;
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case 'index':
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$config['where']['role'] = 2;
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$config['where']['status'] = 1;
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if (isset($p['status']) && $p['status']=='archive') {
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$config['where']['status'] = ['in', [2, 3]];
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}elseif (isset($p['status'])) {
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$config['where']['status'] = $p['status'];
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}
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if (isset($p['scene']) && $p['scene'] == 'self') {
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$config['where']['user_id'] = $request->user['id'];
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unset($config['where']['role']);
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unset( $config['where']['status']);
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}
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// 关键字
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if (isset($p['keyword']) && $p['keyword']) {
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$k = '%' . $p['keyword'] . '%';
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foreach (['product_name','code'] as $col) {
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$config['orWhere'][] = [$col, 'like', $k];
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}
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}
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$config['order']['sort'] = 'desc';
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$config['order']['id'] = 'desc';
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break;
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case 'show':
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$config['where']['id'] = $p['id'];
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$config['where']['status'] = 1;
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break;
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case 'store':
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break;
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case 'update':
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$config['where']['id'] = $p['id'];
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break;
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case 'destroy':
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$config['where']['id'] = $p['id'];
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break;
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}
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return $config;
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}
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public function beforeServiceStore($data, Request $request): array
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{
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if (empty($data['product_name'])) {
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throw new BusinessException('产品名称不能为空');
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}
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if (empty($data['images'])) {
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throw new BusinessException('产品图片不能为空');
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}
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if (empty($data['price'])) {
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$data['price'] = 0;
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}
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if (!empty($data['attachment'])) {
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$data['attachment'] = json_encode($data['attachment']);
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}else{
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$data['attachment'] = '';
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}
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$data['user_id'] = $request->user['id'];
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$user = User::where('id', $request->user['id'])->first();
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$data['role'] = $user['role'];
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if(!empty($data['source_url'])){
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$used = UsedCar::where('source_url', $data['source_url']);
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if ($data['role'] == 1) {
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$used = $used->where('user_id', $data['user_id']);
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}
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$count = $used->count();
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if ($count) {
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throw new BusinessException('该车源已收录');
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}
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}
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$data['code'] = $this->getcode($request->user['id']);
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$data['mileage'] = str_replace(['K','M','k','m'], '', $data['mileage']);
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return $data;
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}
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public function beforeServiceUpdate($data, Request $request): array
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{
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if (empty($data['product_name'])) {
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throw new BusinessException('产品名称不能为空');
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}
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if (empty($data['images'])) {
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throw new BusinessException('产品图片不能为空');
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}
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if (empty($data['price'])) {
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$data['price'] = 0;
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}
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if (!empty($data['attachment'])) {
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$data['attachment'] = json_encode($data['attachment']);
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}else{
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$data['attachment'] = '';
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}
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$data['mileage'] = str_replace(['K','M','k','m'], '', $data['mileage']);
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return $data;
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}
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public function serviceUpdateStatus(Request $request, array $data)
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{
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if (empty($data['id'])) {
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throw new BusinessException('id不能为空');
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}
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if (!isset($data['status'])) {
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throw new BusinessException('status错误');
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}
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return UsedCar::where('id', $data['id'])->update(['status' => $data['status']]);
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}
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public function getcode($userId){
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$userCount = Redis::get('used_car_count_'.$userId, 0);
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$todayStart = strtotime('today');
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$count = UsedCar::where('user_id',$userId)->where('created_at','>=',$todayStart)->count();
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$count = $count<$userCount ? $userCount +1 : $count +1;
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$countCode = str_pad($count, 3, '0', STR_PAD_LEFT);
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$userCode = str_pad($userId, 3, '0', STR_PAD_LEFT);
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Redis::set('used_car_count_'.$userId, $count, 86400);
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$user = User::where('id',$userId)->first();
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$nameInitials = $this->getNameInitials($user['name']);
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return $nameInitials . $userCode . date('Ymd') . $countCode;
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}
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/**
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* 获取中文名拼音首字母
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*/
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function getNameInitials(string $name): string
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{
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$initials = '';
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$len = mb_strlen($name);
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for ($i = 0; $i < $len; $i++) {
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$char = mb_substr($name, $i, 1);
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$initials .= $this->getFirstChar($char);
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}
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return strtoupper($initials);
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}
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function getFirstChar(string $char): string
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{
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$s = iconv('UTF-8', 'GB2312//IGNORE', $char);
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$asc = ord($s[0]);
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if ($asc >= 65 && $asc <= 90) return $char;
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// 转码失败或长度不足
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if ($s === false || strlen($s) < 2) {
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return '';
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}
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$code = ord($s[0]) * 256 + ord($s[1]) - 65536;
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$map = [
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[-20319, -20284, 'A'],
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[-20283, -19776, 'B'],
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[-19775, -19219, 'C'],
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[-19218, -18711, 'D'],
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[-18710, -18527, 'E'],
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[-18526, -18240, 'F'],
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[-18239, -17923, 'G'],
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[-17922, -17418, 'H'],
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[-17417, -16475, 'J'],
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[-16474, -16213, 'K'],
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[-16212, -15641, 'L'],
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[-15640, -15166, 'M'],
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[-15165, -14923, 'N'],
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[-14922, -14915, 'O'],
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[-14914, -14631, 'P'],
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[-14630, -14150, 'Q'],
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[-14149, -14091, 'R'],
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[-14090, -13319, 'S'],
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[-13318, -12839, 'T'],
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[-12838, -12557, 'W'],
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[-12556, -11848, 'X'],
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[-11847, -11056, 'Y'],
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[-11055, -10247, 'Z']
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];
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foreach ($map as [$start, $end, $letter]) {
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if ($code >= $start && $code <= $end) {
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return $letter;
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}
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}
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return '';
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}
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/**
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* 抓取车型数据（通过接口）
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* @param Request $request
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* @return array
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* @throws \Exception
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*/
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public function crawlKeyword(Request $request): array
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{
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$keyword = $request->get('keyword');
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// 执行抓取
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$crawlService = new CrawlService();
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//懂车帝模糊搜索返回车系地址|单个车系id抓取
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$href = $crawlService->modelSearch($keyword);
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$seriesId = $this->extractSeriesId($href); //懂车帝车系id
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// if (empty($seriesId)) { //没有抓取到懂车帝系列id时，按关键词为品牌名抓取所有的系列名
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// $crawlSeries = $crawlService->brandSeries($keyword);
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// }
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//按关键词为品牌名抓取所有的系列名
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// $crawlSeries = $crawlService->brandSeries($keyword);
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if (empty($seriesId)) {
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throw new \Exception('抓取失败，请使用更精确的关键词');
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}
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// $brandSerieses = [];
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// if(empty($seriesId) && !empty($crawlSeries) || count($crawlSeries)>1){ //关键词为品牌名时抓取所有车系的懂车帝id
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// $href = $crawlService->modelSearch($crawlSeries[0]);
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// $seriesId = $this->extractSeriesId($href); //懂车帝车系id
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// //抓取品牌与系列
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// $brandSeries = $crawlService->crawlBrandSeries($seriesId);
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// foreach ($crawlSeries as $item) {
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//// $brandSerieses[] = $crawlService->brandSeries($keyword);
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// $brandSerieses[] = ['brand' => $brandSeries['brand'], 'series' => $item];
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// }
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// }elseif (!empty($seriesId) && empty($crawlSeries)){
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// //抓取品牌与系列
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// $brandSerieses[] = $crawlService->crawlBrandSeries($seriesId);
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// }
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//抓取品牌与系列
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$brandSerieses[] = $crawlService->crawlBrandSeries($seriesId);
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$result = [];
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try {
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foreach ($brandSerieses as $brandSeries) {
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$item = [];
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$item['brand'] = ['brand_name' => $brandSeries['brand']];
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$item['series'] = ['series_name' => $brandSeries['series']];
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//获取车型数据
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$item['model'] = [];
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if (count($brandSerieses) < 2) {
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$item['model'] = $this->crawlSeriesModel($seriesId);
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}
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$result[] = $item;
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}
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return $result[0];
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} catch (\Exception $e) {
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throw new \Exception($e->getMessage());
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}
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}
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/**
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* 获取车系下车型数据
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* @return array
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* @throws \GuzzleHttp\Exception\GuzzleException
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*/
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public function crawlSeriesModel($seriesId)
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{
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$client = new Client([
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'verify' => false, // 禁用 SSL 验证
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'timeout' => 10
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]);
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try {
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$response = $client->get('https://www.dongchedi.com/motor/pc/car/series/car_list', [
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'query' => ['series_id' => $seriesId],
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'headers' => [
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'User-Agent' => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36'
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]
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]);
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$data = json_decode($response->getBody()->getContents(), true);
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if ($data['status'] != 0 || (!isset($data['data']) && !isset($data['data']['tab_list']))) {
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Log::error('抓取车型数据失败' . $data['message'], $data);
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throw new \Exception('抓取车型数据失败' . $data['message']);
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}
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$models = [];
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foreach ($data['data']['tab_list'] as $item) {
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if ($item['tab_text'] == '在售' || $item['tab_text'] == '停售') {
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unset($item['data'][0]);
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$models = array_merge($models, $item['data']);
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}
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}
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foreach ($models as $key => $model) {
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if (!isset($model["info"]['car_name']) || $model['type'] != "1115") {
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unset($models[$key]);
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continue;
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}
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$official_price = 0;
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if (!isset($model["info"]['official_price'])) {
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$official_price = (int)(str_replace("万", "", $model["info"]['official_price_str']) * 10000) ?? 0;
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} else {
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$official_price = $model["info"]['official_price'] * 10000;
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}
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$models[$key] = [
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'title' => $model["info"]['year'] . '款 ' . $model["info"]['car_name'],
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'brand_id' => $model["info"]['brand_id'],
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'brand_name' => $model["info"]['brand_name'],
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'series_id' => $model["info"]['series_id'],
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'series_name' => $model["info"]['series_name'],
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'year' => $model["info"]['year'],
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'msrp' => $official_price,
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'car_id' => $model["info"]['id'],
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];
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}
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return array_values($models);
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} catch (\Exception $e) {
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throw new \Exception($e->getMessage());
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}
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}
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/**
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* 从懂车帝URL中提取series ID
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* @param string $url 完整的URL
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* @return string|null series ID或null
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*/
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function extractSeriesId($url)
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{
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// 解析URL获取路径部分
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$path = parse_url($url, PHP_URL_PATH);
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if (!$path) {
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return null;
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}
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// 按斜杠分割路径
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$pathParts = explode('/', trim($path, '/'));
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// 查找 'series' 的位置，下一个元素就是series ID
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$seriesIndex = array_search('series', $pathParts);
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if ($seriesIndex !== false && isset($pathParts[$seriesIndex + 1])) {
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return $pathParts[$seriesIndex + 1];
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}
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return null;
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}
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function downloadImage(string $url): string
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{
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$dir = runtime_path('pdf/images/');
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if (!is_dir($dir)) {
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mkdir($dir, 0755, true);
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}
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$filename = md5($url) . '.jpg';
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$path = $dir . $filename;
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if (!file_exists($path)) {
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$img = file_get_contents($url);
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file_put_contents($path, $img);
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}
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return $path;
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}
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function downloadAttachment(string $url): string
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{
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$dir = runtime_path('pdf/attachment/');
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if (!is_dir($dir)) {
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mkdir($dir, 0755, true);
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}
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$filename = md5($url) . '.pdf';
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$path = $dir . $filename;
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if (!file_exists($path)) {
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$img = file_get_contents($url);
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file_put_contents($path, $img);
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}
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return $path;
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}
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}
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