ClassService.php

<?php

namespace App\Http\Services;

use Illuminate\Support\Facades\Redis;

class ClassService
{
    //获取首页需要的所有分类,没有英文名称的不要
    public static function getClassificationForHome()
    {
        //先获取所有分类
        $classCache = Redis::hgetall('pool_class_info');
        $secondClassList = [];
        foreach ($classCache as $key => &$class) {
            $class = json_decode($class, true);
            if (!$class['parent_id']) {
                if (empty($class['class_name_en'])) {
                    continue;
                }
                $secondClassList[] = $class;
            }
        }
        unset($class);
        foreach ($classCache as $key => $class) {
            if (!$class['parent_id']) {
                continue;
            }
            foreach ($secondClassList as &$secondClass) {
                if ($secondClass['class_id'] == $class['parent_id']) {
                    if (empty($class['class_name_en'])) {
                        continue;
                    }
                    $class['sku_number'] = Redis::hget('pool_class_info_count', $class['class_id']) ?: 0;
                    $secondClass['children'][] = $class;
                }
            }
            unset($secondClass);
        }

        $topClassMapping = config('field.top_class_mapping');
        $topFields = [];
        foreach ($topClassMapping as $key => $mapping) {
            $topFields[$key] = [
                'class_name' => $key,
            ];
        }
        foreach ($topClassMapping as $key => $mapping) {
            foreach ($secondClassList as $secondClass) {
                if (in_array($secondClass['class_id'], $topClassMapping[$key])) {
                    if (empty($secondClass['class_name_en'])) {
                        continue;
                    }
                    $topFields[$key]['children'][] = $secondClass;
                }
            }
        }
        return array_values($topFields);
    }

    public static function getClassificationById($classId,$includeChildren = false)
    {
        $classification = Redis::hget('pool_class_info', $classId);
        $classification = json_decode($classification,true);
        if ($classification['parent_id']) {
            return $classification;
        }
        //获取子分类
        $classificationCache = Redis::hgetall('pool_class_info');
        $totalSkuNumber = 0;
        foreach ($classificationCache as $classCache) {
            $classCache = json_decode($classCache, true);
            if ($classCache['parent_id'] == $classId) {
                if (empty($classCache['class_name_en'])) {
                    continue;
                }
                $classCache['sku_number'] = Redis::hget('pool_class_info_count', $classCache['class_id']) ?: 0;
                $totalSkuNumber += $classCache['sku_number'];
                $classification['children'][] = $classCache;
            }
        }
        $classification['sku_number'] = $totalSkuNumber;
        return $classification;
    }

}