CakePHP中间件：集成推送通知和消息提醒实现实时通知

'PushNotification' => [
    'fcm' => [
        'server_key' => 'YOUR_SERVER_KEY',
        'sender_id' => 'YOUR_SENDER_ID',
    ],
    'jpush' => [
        'app_key' => 'YOUR_APP_KEY',
        'master_secret' => 'YOUR_MASTER_SECRET',
    ],
],

<?php
namespace AppMiddleware;

use CakeCoreConfigure;
use CakeHttpResponse;
use CakeHttpServerRequest;
use CakeORMTableRegistry;
use JPushClient as JPushClient;
use PsrHttpMessageResponseInterface;
use PsrHttpMessageServerRequestInterface;
use RuntimeException;

class PushNotificationMiddleware
{
    public function __invoke(ServerRequestInterface $request, ResponseInterface $response, $next)
    {
        // 获取请求参数
        $data = $request->getParsedBody();
        
        // 获取需要发送的推送通知内容
        $message = $data['message'];
        $userId = $data['user_id'];
        
        // 获取用户deviceId
        $table = TableRegistry::getTableLocator()->get('Devices');
        $device = $table->find()->where(['user_id' => $userId])->first();
        $deviceId = $device->device_id;
        
        // 发送推送通知
        $this->sendPushNotification($message, $deviceId);
        
        return $next($request, $response);
    }
    
    private function sendPushNotification($message, $deviceId)
    {
        // 获取推送服务配置
        $pushConfig = Configure::read('PushNotification');
        
        // 使用极光推送发送推送通知
        $jpush = new JPushClient($pushConfig['jpush']['app_key'], $pushConfig['jpush']['master_secret']);
        $jpush->push()
            ->setPlatform('all')
            ->addAlias($deviceId)
            ->message($message)
            ->send();
    }
}

$this->addMiddleware(new AppMiddlewarePushNotificationMiddleware());

<?php
namespace AppControllerComponent;

use CakeControllerComponent;
use CakeControllerComponentRegistry;
use CakeORMTableRegistry;

class NotificationComponent extends Component
{
    protected $_defaultConfig = [];
    
    public function notify($userId, $message)
    {
        // 获取用户的未读消息数
        $table = TableRegistry::getTableLocator()->get('Notifications');
        $notification = $table->find()->where(['user_id' => $userId])->first();
        
        // 更新未读消息数
        if (!$notification) {
            $notification = $table->newEntity(['user_id' => $userId]);
        }
        
        $notification->unread_count++;
        $table->save($notification);
        
        // 发送消息通知
        $this->Flash->success($message);
    }
    
    public function markAsRead($userId)
    {
        $table = TableRegistry::getTableLocator()->get('Notifications');
        $notification = $table->find()->where(['user_id' => $userId])->first();
        
        // 标记所有消息为已读
        $notification->unread_count = 0;
        $table->save($notification);
    }
}

public function index()
{
    // 加载Notification组件
    $this->loadComponent('Notification');
    
    // 发送消息通知
    $this->Notification->notify($userId, '您有一条新消息！');
    
    // 标记所有消息为已读
    $this->Notification->markAsRead($userId);
}