huahuibao/app-mall/controllers/CategoryController.php

<?php

namespace mall\controllers;

use bizHd\custom\classes\CustomClass;
use bizHd\goods\classes\GoodsUseCaseClass;
use bizHd\goods\classes\UseCaseClass;
use bizMall\goods\services\CategoryService;
use Yii;
use common\components\util;

class CategoryController extends BaseController
{

    /**
     * 游客可浏览分类与商品列表（商城分类页未登录浏览）；下单/建客仍走登录后流程
     * buildRelation 对空 user 直接 return，游客不会建客
     */
    public $guestAccess = ['list', 'use-case-list', 'goods-list'];

    //获取分类 ssh 2019.12.2（游客可浏览，不依赖 user；无店铺上下文时返回空）
    public function actionList()
    {
        // 未登录场景必须有 account→mainId，否则无法定位门店分类
        if (empty($this->shop) || empty($this->mainId)) {
            util::success([]);
        }

        $get = Yii::$app->request->get();
        $flower = $get['flower'] ?? -1;

        //普莲花艺、叶上花、丰行、小武鲜花、九江云朵、源花汇、紫荆不能在花卉宝下单，多处要同步修改，关键词ls_mall_not_open
        $mainId = $this->mainId;
        if (getenv('YII_ENV') == 'production') {
            if (in_array($mainId, [40057, 7779, 42940, 26374, 10536, 65381])) {
                util::fail('暂无商品哦，编号25395');
            }
        } else {
            if (in_array($mainId, [0, 1])) {
                util::fail('暂无商品哦！编号639942');
            }
        }

        //建立客户关系（未登录时 buildRelation 直接返回，不建客）
        CustomClass::buildRelation($this->shop, $this->user);
        $mainId = $this->mainId ?? 0;
        $where = ['mainId' => $mainId, 'delStatus' => 0, 'status' => 1];
        if ($flower > -1) {
            $where['flower'] = $flower;
        }
        //默认列出正常分类，美团等第三方分类不列表
        $where['style'] = 0;
        $return = CategoryService::getAllCategory($where);
        util::success($return);
    }

    //取分类下商品 ssh 2019.12.2（游客可浏览，custom 为空时按散客价组装）
    // 列表按唯一商品分页：同一商品多分类去重后仍保证每页条数，避免商城列表无法触底加载
    public function actionGoodsList()
    {
        $get = Yii::$app->request->get();
        $shop = $this->shop;
        if (empty($shop)) {
            util::success(['list' => []]);
        }
        $custom = !empty($this->custom) ? $this->custom : [];
        $params = [];
        //调用花店端的方法，后面再分离 (为了代码维护可以不分离，免得一处改了，另一处没修改到。--- 所以分离好后，又还原了)
        $data = \bizHd\goods\classes\GoodsCategoryClass::getGoodsList($get, $shop, $custom, $params);
        $data['list'] = $this->appendUseCaseInfo($data['list'] ?? []);
        util::success($data);
    }

    /**
     * 场景列表（商城筛选弹窗用）
     * 游客可访问，未登录返回空数组
     */
    public function actionUseCaseList()
    {
        $user = $this->user;
        if (empty($user)) {
            util::success([]);
        }
        $mainId = intval($this->mainId ?? 0);
        if ($mainId <= 0) {
            util::success([]);
        }
        $list = UseCaseClass::getAllByCondition(
            ['mainId' => $mainId, 'status' => 1, 'delStatus' => 0],
            'inTurn DESC',
            'id,useCaseName'
        );
        util::success($list ?: []);
    }

    /**
     * 批量为商品列表补充场景 ID 与名称，供列表页标签展示
     *
     * @param array $list
     * @return array
     */
    private function appendUseCaseInfo($list)
    {
        if (empty($list)) {
            return [];
        }
        $goodsIds = array_column($list, 'id');
        if (empty($goodsIds)) {
            return $list;
        }

        $relations = GoodsUseCaseClass::getAllByCondition(
            ['goodsId' => ['in', $goodsIds]],
            null,
            'goodsId,useCaseId'
        );
        $useCaseIds = array_unique(array_column($relations ?: [], 'useCaseId'));
        $nameMap = [];
        if (!empty($useCaseIds)) {
            $useCases = UseCaseClass::getAllByCondition(
                [
                    'id' => ['in', $useCaseIds],
                    'mainId' => intval($this->mainId ?? 0),
                    'delStatus' => 0,
                ],
                null,
                'id,useCaseName'
            );
            foreach ($useCases ?: [] as $uc) {
                $nameMap[intval($uc['id'])] = $uc['useCaseName'] ?? '';
            }
        }

        $goodsUseCaseMap = [];
        foreach ($relations ?: [] as $rel) {
            $gid = intval($rel['goodsId']);
            $uid = intval($rel['useCaseId']);
            if (!isset($goodsUseCaseMap[$gid])) {
                $goodsUseCaseMap[$gid] = [];
            }
            if (!isset($nameMap[$uid])) {
                continue;
            }
            $goodsUseCaseMap[$gid][] = [
                'id' => $uid,
                'name' => $nameMap[$uid],
            ];
        }

        foreach ($list as &$item) {
            $gid = intval($item['id'] ?? 0);
            $cases = $goodsUseCaseMap[$gid] ?? [];
            $item['useCaseIdList'] = array_column($cases, 'id');
            $item['useCaseNames'] = array_values(array_filter(array_column($cases, 'name')));
        }
        unset($item);

        return $list;
    }

}