wordpress-theme-aksrt/src/Sms/SMSProviderFactory.php

<?php
/**
 * @package AKSRT
 */

namespace AKSRT\Sms;

defined('ABSPATH') || exit;

class SMSProviderFactory {

    private static $providers = [];

    /**
     * 获取供应商 adapter 实例
     */
    public static function get(string $key): ?ProviderInterface {
        $key = sanitize_key($key);
        if ($key === '') return null;

        if (isset(self::$providers[$key])) {
            return self::$providers[$key];
        }

        $instance = self::create($key);
        if ($instance !== null) {
            self::$providers[$key] = $instance;
        }
        return $instance;
    }

    /**
     * 获取所有已注册供应商
     *
     * @return ProviderInterface[]
     */
    public static function all(): array {
        $keys = ['aliyun', 'tencent', 'huawei', 'custom'];
        $result = [];
        foreach ($keys as $key) {
            $provider = self::get($key);
            if ($provider !== null) {
                $result[$key] = $provider;
            }
        }
        return $result;
    }

    /**
     * 创建 adapter 实例
     */
    private static function create(string $key): ?ProviderInterface {
        switch ($key) {
            case 'aliyun':
                return class_exists('AKSRT\\Sms\\SMSProviderAliyun') ? new SMSProviderAliyun() : null;
            case 'tencent':
                return class_exists('AKSRT\\Sms\\SMSProviderTencent') ? new SMSProviderTencent() : null;
            case 'huawei':
                return class_exists('AKSRT\\Sms\\SMSProviderHuawei') ? new SMSProviderHuawei() : null;
            case 'custom':
                return class_exists('AKSRT\\Sms\\SMSProviderCustom') ? new SMSProviderCustom() : null;
            default:
                return null;
        }
    }
}