530 lines
16 KiB
PHP
530 lines
16 KiB
PHP
<?php
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namespace app\Service;
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use app\Model\UsedCar;
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use app\Model\UsedCarPdfLog;
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use app\Model\User;
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use support\Db;
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use support\Redis;
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/**
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* 二手车业务服务
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*/
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class UsedCarService
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{
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private UsedCarCrawlService $crawlService;
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public function __construct()
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{
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$this->crawlService = new UsedCarCrawlService();
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}
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/**
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* 获取二手车列表
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*
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* @param int $userId 用户ID
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* @param string $type 列表类型: all-全部, self-我创建的
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* @param int $page 页码
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* @param int $pageSize 每页数量
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* @param string|null $keyword 搜索关键词
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* @param int|null $status 状态筛选
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* @return array
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*/
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public function getList(int $userId, string $type = 'self', int $page = 1, int $pageSize = 20, ?string $keyword = null, ?int $status = null): array
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{
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$query = UsedCar::query();
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// 筛选条件
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switch ($type) {
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case 'self':
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$query->where('user_id', $userId);
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break;
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case 'all':
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// 管理员可以查看所有
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break;
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}
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// 状态筛选
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if ($status !== null) {
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$query->where('status', $status);
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} else {
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// 默认不显示已删除的
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$query->where('status', '!=', UsedCar::STATUS_DELETED);
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}
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// 关键词搜索
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if ($keyword) {
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$query->where(function ($q) use ($keyword) {
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$q->where('product_name', 'like', "%{$keyword}%")
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->orWhere('code', 'like', "%{$keyword}%");
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});
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}
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// 获取总数
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$total = $query->count();
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// 分页查询
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$list = $query->orderBy('sort', 'desc')
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->orderBy('id', 'desc')
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->offset(($page - 1) * $pageSize)
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->limit($pageSize)
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->get();
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// 格式化数据
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$formattedList = $list->map(function ($item) {
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return $this->formatListItem($item);
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})->toArray();
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return [
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'list' => $formattedList,
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'total' => $total,
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'page' => $page,
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'page_size' => $pageSize,
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];
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}
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/**
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* 获取二手车详情
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*
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* @param int $id 二手车ID
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* @param int $userId 当前用户ID
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* @return array
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* @throws \Exception
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*/
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public function getDetail(int $id, int $userId): array
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{
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$car = UsedCar::with(['pdfLogs', 'user'])->findOrFail($id);
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// 格式化数据
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return $this->formatDetailItem($car);
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}
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/**
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* 创建二手车记录
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*
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* @param array $data
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* @param int $userId
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* @return UsedCar
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* @throws \Exception
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*/
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public function create(array $data, int $userId): UsedCar
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{
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// 验证数据
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$this->validateCarData($data);
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return Db::connection()->transaction(function () use ($data, $userId) {
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// 获取用户信息
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$user = User::findOrFail($userId);
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// 生成唯一编号
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$code = $this->generateCode($userId, $user->name ?? '');
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// 处理图片
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$images = $data['images'] ?? [];
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if (!is_array($images)) {
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$images = explode(',', $images);
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}
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$images = array_filter($images);
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// 处理附件
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$attachment = $data['attachment'] ?? null;
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if (is_array($attachment)) {
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$attachment = json_encode($attachment, JSON_UNESCAPED_UNICODE);
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}
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// 检查source_url是否已存在
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if (!empty($data['source_url'])) {
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$exists = UsedCar::where('source_url', $data['source_url'])
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->where('user_id', $userId)
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->exists();
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if ($exists) {
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throw new \Exception('该车源已收录');
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}
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}
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// 创建记录
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$car = UsedCar::create([
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'code' => $code,
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'user_id' => $userId,
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'role' => $user->role ?? 1,
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'product_name' => $data['product_name'],
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'vin' => $data['vin'] ?? null,
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'price' => $this->parsePrice($data['price'] ?? 0),
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'source_place' => $data['source_place'] ?? null,
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'plate_place' => $data['plate_place'] ?? null,
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'plate_time' => $data['plate_time'] ?? null,
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'displacement' => $data['displacement'] ?? null,
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'mileage' => $this->parseMileage($data['mileage'] ?? 0),
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'power' => $this->parsePower($data['power'] ?? ''),
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'body_color' => $data['body_color'] ?? null,
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'images' => implode(',', $images),
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'condition_desc' => $data['condition_desc'] ?? null,
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'attachment' => $attachment,
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'source_url' => $data['source_url'] ?? null,
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'crawl_title' => $data['crawl_title'] ?? null,
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'crawl_brand' => $data['crawl_brand'] ?? null,
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'crawl_brand_id' => $data['crawl_brand_id'] ?? 0,
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'crawl_series' => $data['crawl_series'] ?? null,
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'crawl_series_id' => $data['crawl_series_id'] ?? 0,
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'crawl_year' => $data['crawl_year'] ?? null,
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'crawl_msrp' => $this->parsePrice($data['crawl_msrp'] ?? 0),
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'crawl_car_id' => $data['crawl_car_id'] ?? 0,
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'status' => UsedCar::STATUS_NORMAL,
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'sort' => $data['sort'] ?? 0,
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]);
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return $car;
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});
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}
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/**
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* 更新二手车记录
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*
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* @param int $id
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* @param array $data
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* @param int $userId
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* @return UsedCar
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* @throws \Exception
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*/
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public function update(int $id, array $data, int $userId): UsedCar
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{
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$car = UsedCar::findOrFail($id);
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// 检查权限
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if ($car->user_id !== $userId) {
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throw new \Exception('无权编辑此记录');
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}
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// 验证数据
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$this->validateCarData($data);
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// 处理图片
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if (isset($data['images'])) {
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$images = is_array($data['images']) ? $data['images'] : explode(',', $data['images']);
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$data['images'] = implode(',', array_filter($images));
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}
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// 处理附件
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if (isset($data['attachment']) && is_array($data['attachment'])) {
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$data['attachment'] = json_encode($data['attachment'], JSON_UNESCAPED_UNICODE);
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}
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// 处理价格和里程
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if (isset($data['price'])) {
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$data['price'] = $this->parsePrice($data['price']);
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}
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if (isset($data['mileage'])) {
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$data['mileage'] = $this->parseMileage($data['mileage']);
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}
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if (isset($data['power'])) {
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$data['power'] = $this->parsePower($data['power']);
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}
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if (isset($data['crawl_msrp'])) {
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$data['crawl_msrp'] = $this->parsePrice($data['crawl_msrp']);
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}
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// 只更新允许的字段
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$fillable = [
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'product_name', 'vin', 'price', 'source_place', 'plate_place',
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'plate_time', 'displacement', 'mileage', 'power', 'body_color',
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'images', 'condition_desc', 'attachment',
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];
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foreach ($fillable as $field) {
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if (array_key_exists($field, $data)) {
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$car->$field = $data[$field];
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}
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}
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$car->save();
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return $car;
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}
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/**
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* 删除二手车记录（软删除）
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*
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* @param int $id
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* @param int $userId
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* @return bool
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* @throws \Exception
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*/
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public function delete(int $id, int $userId): bool
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{
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$car = UsedCar::findOrFail($id);
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// 检查权限
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if ($car->user_id !== $userId) {
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throw new \Exception('无权删除此记录');
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}
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$car->status = UsedCar::STATUS_DELETED;
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return $car->save();
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}
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/**
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* 更新状态
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*
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* @param int $id
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* @param int $status
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* @param int $userId
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* @return bool
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* @throws \Exception
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*/
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public function updateStatus(int $id, int $status, int $userId): bool
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{
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$car = UsedCar::findOrFail($id);
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// 检查权限
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if ($car->user_id !== $userId) {
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throw new \Exception('无权修改此记录');
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}
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$car->status = $status;
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return $car->save();
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}
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/**
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* URL抓取车辆信息
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*
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* @param string $url
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* @return array
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* @throws \Exception
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*/
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public function crawlByUrl(string $url): array
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{
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$data = $this->crawlService->crawlByUrl($url);
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// 下载图片到临时目录
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$tempDir = runtime_path('tmp/usedcar_images/');
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$images = $data['images'] ?? [];
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return [
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'product_name' => $data['title'] ?? '',
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'price' => $this->parsePrice($data['price'] ?? 0),
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'source_place' => $data['source_place'] ?? '',
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'plate_time' => $data['plate_time'] ?? '',
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'displacement' => $data['displacement'] ?? '',
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'mileage' => $data['mileage'] ?? 0,
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'power' => $data['power'] ?? '',
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'body_color' => $data['body_color'] ?? '',
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'images' => $images,
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'condition_desc' => $data['condition_desc'] ?? '',
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'source_url' => $data['source_url'] ?? $url,
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'crawl_title' => $data['title'] ?? '',
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'crawl_brand' => $data['brand_name'] ?? '',
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'crawl_brand_id' => $data['brand_id'] ?? 0,
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'crawl_series' => $data['series_name'] ?? '',
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'crawl_series_id' => $data['series_id'] ?? 0,
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'crawl_year' => $data['year'] ?? '',
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'crawl_car_id' => $data['car_id'] ?? 0,
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'used_car_id' => $data['used_car_id'] ?? 0,
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];
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}
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/**
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* 生成唯一编号
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*
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* @param int $userId
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* @param string $userName
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* @return string
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*/
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private function generateCode(int $userId, string $userName): string
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{
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// 获取用户名拼音首字母
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$nameInitials = $this->getNameInitials($userName);
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$userCode = str_pad($userId, 3, '0', STR_PAD_LEFT);
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// 从Redis获取今日计数
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$redisKey = 'used_car_count_' . $userId;
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$todayStart = strtotime('today');
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// 检查数据库中今日已创建的数量
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$count = UsedCar::where('user_id', $userId)
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->where('created_at', '>=', $todayStart)
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->count();
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// 从Redis获取缓存计数
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$cachedCount = Redis::get($redisKey, 0);
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$count = max($count, $cachedCount) + 1;
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// 更新Redis缓存（24小时过期）
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Redis::setex($redisKey, 86400, $count);
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$countCode = str_pad($count, 3, '0', STR_PAD_LEFT);
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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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private 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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/**
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* 获取单个汉字的首字母
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*/
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private function getFirstChar(string $char): string
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{
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// 英文字母直接返回
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if (preg_match('/^[a-zA-Z]$/', $char)) {
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return strtoupper($char);
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}
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// 转换为GB2312编码
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$s = @iconv('UTF-8', 'GB2312//IGNORE', $char);
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if ($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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$map = [
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[-20319, -20284, 'A'], [-20283, -19776, 'B'], [-19775, -19219, 'C'],
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[-19218, -18711, 'D'], [-18710, -18527, 'E'], [-18526, -18240, 'F'],
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[-18239, -17923, 'G'], [-17922, -17418, 'H'], [-17417, -16475, 'J'],
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[-16474, -16213, 'K'], [-16212, -15641, 'L'], [-15640, -15166, 'M'],
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[-15165, -14923, 'N'], [-14922, -14915, 'O'], [-14914, -14631, 'P'],
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[-14630, -14150, 'Q'], [-14149, -14091, 'R'], [-14090, -13319, 'S'],
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[-13318, -12839, 'T'], [-12838, -12557, 'W'], [-12556, -11848, 'X'],
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[-11847, -11056, 'Y'], [-11055, -10247, 'Z']
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];
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foreach ($map as [$start, $end, $letter]) {
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if ($code >= $start && $code <= $end) {
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return $letter;
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}
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}
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return '';
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}
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/**
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* 解析价格（单位统一转换为分）
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*/
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private function parsePrice($price): int
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{
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$price = floatval(str_replace(['万', ','], '', $price));
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// 如果小于200，说明是以万为单位
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if ($price < 200 && $price > 0) {
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$price = $price * 10000;
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}
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return (int)($price * 100); // 转换为分
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}
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/**
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* 解析里程（移除单位）
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*/
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private function parseMileage($mileage): int
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{
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$mileage = str_replace(['万', 'K', 'M', 'k', 'm', '公里'], '', $mileage);
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return (int)floatval($mileage);
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}
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/**
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* 解析马力（移除单位）
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*/
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private function parsePower($power): string
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{
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return str_replace(['P', 'S', 'p', 's', '马力', 'Ps', 'PS'], '', $power);
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}
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/**
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* 验证车辆数据
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*/
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private function validateCarData(array $data): void
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{
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if (empty($data['product_name'])) {
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throw new \Exception('产品名称不能为空');
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}
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}
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/**
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* 格式化列表项
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*/
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private function formatListItem(UsedCar $car): array
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{
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$data = $car->toArray();
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// 格式化时间
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if ($car->created_at) {
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$data['created_at'] = $car->created_at->toDateTimeString();
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}
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if ($car->updated_at) {
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$data['updated_at'] = $car->updated_at->toDateTimeString();
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}
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// 处理图片
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$data['images_array'] = [];
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if (!empty($car->images)) {
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$data['images_array'] = explode(',', $car->images);
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}
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return $data;
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}
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/**
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* 格式化详情项
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*/
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private function formatDetailItem(UsedCar $car): array
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{
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$data = $car->toArray();
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// 格式化时间
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if ($car->created_at) {
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$data['created_at'] = $car->created_at->toDateTimeString();
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}
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if ($car->updated_at) {
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$data['updated_at'] = $car->updated_at->toDateTimeString();
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}
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// 处理图片
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$data['images_array'] = [];
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if (!empty($car->images)) {
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$data['images_array'] = explode(',', $car->images);
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}
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// 处理附件
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$data['attachment_array'] = [];
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if (!empty($car->attachment)) {
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$attachment = json_decode($car->attachment, true);
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if (is_array($attachment)) {
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$data['attachment_array'] = $attachment;
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}
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}
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// 添加用户信息
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if ($car->user) {
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$data['user'] = [
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'id' => $car->user->id,
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'name' => $car->user->name,
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];
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}
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// PDF生成日志
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if ($car->pdfLogs) {
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$data['pdf_logs'] = $car->pdfLogs->map(function ($log) {
|
|
return [
|
|
'id' => $log->id,
|
|
'price_snapshot' => $log->price_snapshot,
|
|
'pdf_path' => $log->pdf_path,
|
|
'created_at' => $log->created_at ? $log->created_at->toDateTimeString() : null,
|
|
];
|
|
})->toArray();
|
|
}
|
|
|
|
return $data;
|
|
}
|
|
}
|