// +---------------------------------------------------------------------- declare (strict_types=1); namespace app\common\model; use cores\BaseModel; use think\model\relation\BelongsTo; /** * 商品规格关系模型 * Class GoodsSpecRel * @package app\common\model */ class GoodsSpecRel extends BaseModel { // 定义表名 protected $name = 'goods_spec_rel'; // 定义主键 protected $pk = 'id'; protected $updateTime = false; /** * 关联规格组 * @return BelongsTo */ public function spec(): BelongsTo { return $this->belongsTo('Spec'); } /** * 关联规格值 * @return BelongsTo */ public function specValue(): BelongsTo { return $this->belongsTo('SpecValue'); } /** * 指定商品的规格列表 * @param int $goodsId 商品ID * @return array * @throws \think\db\exception\DataNotFoundException * @throws \think\db\exception\DbException * @throws \think\db\exception\ModelNotFoundException */ public static function getSpecList(int $goodsId): array { // 获取指定商品的规格值关系记录 $data = static::getList($goodsId); // 规格组 $groupData = []; foreach ($data as $groupKey => $item) { $groupData[$item['spec_id']] = [ 'spec_id' => $item['spec']['spec_id'], 'spec_name' => $item['spec']['spec_name'] ]; } // 去除索引 $specList = array_values($groupData); // 规格值 foreach ($specList as $groupKey => &$group) { $group['key'] = $groupKey; foreach ($data as $valueKey => $item) { ($item['spec_id'] == $group['spec_id']) && $group['valueList'][] = [ 'key' => isset($group['valueList']) ? count($group['valueList']) : 0, 'groupKey' => $groupKey, 'spec_value_id' => $item['specValue']['spec_value_id'] ?? 0, 'spec_value' => $item['specValue']['spec_value'] ?? "" ]; } } return $specList; } /** * 获取指定商品的规格值关系记录 * @param int $goodsId 商品ID * @return iterable|\think\model\Collection|\think\Paginator * @throws \think\db\exception\DataNotFoundException * @throws \think\db\exception\DbException * @throws \think\db\exception\ModelNotFoundException */ private static function getList(int $goodsId) { $list = (new static)->where('goods_id', '=', $goodsId)->select(); // $spec_ids = array_column($list, "spec_id"); // $spec_value_ids = array_column($list, "spec_value_id"); // $specs = Spec::whereIn('spec_id', $spec_ids)->select()->toArray(); // $specs = array_column($specs, null, "spec_id"); // $spec_values = SpecValue::whereIn('spec_value_id', $spec_value_ids)->select()->toArray(); // $spec_values = array_column($spec_values, null, "spec_id"); // foreach ($list as $key => &$value) { // $value['spec'] = $specs[$value['spec_id']] ?? []; // $value['specValue'] = $spec_values[$value['spec_value_id']] ?? []; // } // // echo "

";
        // // print_r($list);
        // // exit();
        // return $list;
        // echo "";
        // print_r($list->toArray());
        //exit();
        self::$storeId = 0;
        app()->request->setStoreId(0);
        return static::preload($list, ['spec', 'specValue']);
    }

    /**
     * 批量写入商品与规格值关系记录
     * @param int $goodsId 商品ID
     * @param array $specList 规格数据
     * @param int|null $storeId 商城ID
     * @return array|false
     */
    public static function increased(int $goodsId, array $specList, int $storeId = null)
    {
        $dataset = [];
        foreach ($specList as $item) {
            foreach ($item['valueList'] as $specValueItem) {
                $dataset[] = [
                    'goods_id' => $goodsId,
                    'spec_id' => $item['spec_id'],
                    'spec_value_id' => $specValueItem['spec_value_id'],
                    'store_id' => $storeId ?: self::$storeId
                ];
            }
        }
        return (new static)->addAll($dataset);
    }
}