Page--user/src/main/java/com/example/web/service/RealTimeDataService.java

package com.example.web.service;

import com.example.web.dto.NotificationDTO;
import com.example.web.dto.UserProductCartDTO;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.messaging.simp.SimpMessagingTemplate;
import org.springframework.stereotype.Service;

import java.time.LocalDateTime;
import java.time.ZoneOffset;
import java.util.List;

@Service
public class RealTimeDataService {

    @Autowired
    private SimpMessagingTemplate messagingTemplate;

    /**
     * 推送客户数据更新
     */
    public void pushCustomerUpdate(String customerId, UserProductCartDTO customerData) {
        messagingTemplate.convertAndSend("/topic/customers/" + customerId, customerData);
    }

    /**
     * 推送公海池数据更新
     */
    public void pushPublicSeaUpdate(List<UserProductCartDTO> customerList) {
        messagingTemplate.convertAndSend("/topic/public-sea", customerList);
    }

    /**
     * 推送所有客户数据更新
     */
    public void pushAllCustomersUpdate(List<UserProductCartDTO> customerList) {
        messagingTemplate.convertAndSend("/topic/all-customers", customerList);
    }

    /**
     * 推送通知
     */
    public void pushNotification(String type, String title, String message, String customerId) {
        NotificationDTO notification = new NotificationDTO();
        notification.setType(type);
        notification.setTitle(title);
        notification.setMessage(message);
        notification.setCustomerId(customerId);
        notification.setTimestamp(LocalDateTime.now(ZoneOffset.UTC));
        messagingTemplate.convertAndSend("/topic/notifications", notification);
    }
}