126 lines
4.6 KiB
PHP
126 lines
4.6 KiB
PHP
<?php
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namespace App\Service\wx;
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use App\BaseApp\BaseWxService;
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use App\Models\business\CatalogueModel;
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use App\Models\business\CategoryModel;
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use App\Models\business\ImageModel;
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use App\Models\business\WxUserModel;
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use App\Service\business\PriceService;
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/**
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* 小程序商品列表与详情
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*
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* 价格倍率与可见性统一走 PriceService，后台与小程序共用同一套规则，
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* 避免出现「后台看原价、小程序看倍率价」对不上账的老问题。
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*/
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class WxProductService extends BaseWxService
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{
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/**
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* 商品列表：分类点到二级时按父分类下的所有子分类查
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*/
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public function list(): array
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{
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$title = (string) request()->get('title', '');
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$categoryId = request()->get('category_id');
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$childIds = [];
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if (!empty($categoryId)) {
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$childIds = CategoryModel::where('pid', $categoryId)->where('deleted_at', 0)->pluck('id')->all();
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}
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// 小程序前端发的是 size（见 pages/product|search getProductList），老接口曾用 pageSize，
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// 这里两者都接，避免改一边漏一边
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$pageSize = (int) (request()->get('pageSize') ?: request()->get('size') ?: 10);
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$result = CatalogueModel::when($title !== '', function ($query) use ($title) {
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$query->where('title', 'like', '%' . $title . '%');
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})->when(!empty($categoryId) && empty($childIds), function ($query) use ($categoryId) {
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$query->where('category_id', $categoryId);
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})->when(!empty($childIds), function ($query) use ($childIds) {
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$query->whereIn('category_id', $childIds);
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})->where('deleted_at', 0)
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->orderBy('id', 'desc')
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->paginate($pageSize)
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->toArray();
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return [
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'page' => $result['current_page'],
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'size' => $result['per_page'],
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'page_count' => $result['last_page'],
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// 小程序 productWaterfall / product.vue 读的是 last_page（不是 page_count），两个键都给
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'last_page' => $result['last_page'],
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'total' => $result['total'],
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'items' => $result['data'],
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'data' => $result['data'],
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];
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}
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/**
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* 商品详情
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*
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* 带 p_user_id 说明是代理商分享进来的：普通新用户会被绑到该代理商名下并继承其倍率，
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* 这是老项目的既有行为，不能改，否则代理商体系的价格会全部失效。
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*/
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public function detail(int $id, int $shareUserId = 0): array
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{
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if ($shareUserId > 0) {
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$this->inheritAgentPrice($shareUserId);
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}
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$info = CatalogueModel::with([
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'category',
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'images' => fn ($query) => $query->where('deleted_at', 0),
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'priceSheet' => fn ($query) => $query->where('deleted_at', 0),
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])->where('deleted_at', 0)->find($id);
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if (empty($info)) {
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$this->utils->errorThrow('商品不存在');
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}
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$info = $info->toArray();
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// 渲染图作为详情轮播
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$info['carousel'] = [];
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foreach ($info['images'] ?? [] as $image) {
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if ((int) $image['type'] === ImageModel::TYPE_RENDER) {
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$info['carousel'][] = $image['url'];
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}
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}
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$showPrice = $this->canSeePrice();
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$applied = PriceService::getInstance()->applyToRows($info['price_sheet'] ?? [], $showPrice, $this->priceMultiplier());
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$info['price_sheet'] = $applied['rows'];
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$info['is_show_price'] = $applied['is_show_price'];
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return $info;
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}
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/**
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* 继承分享代理商的倍率
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*
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* 只有「还没有上级、自己也不是代理商」的用户会被绑定；已绑定同一个上级时同步最新倍率，
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* 代理商改了倍率下级要跟着变。
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*/
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private function inheritAgentPrice(int $shareUserId): void
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{
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$isAgent = (int) ($this->userInfo['is_p'] ?? 0) === 1;
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$pid = (int) ($this->userInfo['pid'] ?? 0);
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if ($isAgent) {
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return;
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}
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if ($pid !== 0 && $pid !== $shareUserId) {
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return;
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}
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$agent = WxUserModel::where('id', $shareUserId)->where('deleted_at', 0)->first();
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if (empty($agent) || (int) $agent['is_p'] !== 1) {
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return;
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}
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$this->userInfo['show_price'] = 1;
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$this->userInfo['price_number'] = $agent['price_number'];
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WxUserModel::where('id', $this->userId)->update([
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'pid' => $shareUserId,
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'show_price' => 1,
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'price_number' => $agent['price_number'],
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'updated_at' => time(),
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]);
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}
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}
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