community-service/app/Console/Commands/ContentFeedDelete.php

<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2019/7/17
 * Time: 9:33
 */
namespace App\Console\Commands;


use App\Repositories\FeedRepositories;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\Log;
use PhpAmqpLib\Connection\AMQPStreamConnection;

class ContentFeedDelete extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'content:feed_delete';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = '取消关注删除对应feed';

    protected $channel;
    protected $connection;

    protected $queue = 'cancel_follow';
    /**
     * Create a new command instance.
     *
     * @return void
     */
    public function __construct(FeedRepositories $feedRepositories)
    {
        parent::__construct();
        $this->feedRepositories = $feedRepositories;
        $this->connection = $this->getConnection();
        $this->channel = $this->connection->channel();
        $this->channel->exchange_declare($this->queue, 'fanout', false, true, false);
    }

    public function getConnection()
    {
        $conn = false;
        if ($this->connection) {
            return $this->connection;
        }
        for ($i = 0; $i < 3; $i++) {
            $connection = $this->createConn();
            if ($connection) {
                $conn = $connection;
                break;
            }
            Log::info("create amqp conn retry=" . $i);
        }
        return $conn;
    }

    public function createConn()
    {
        try {
            $connection = new AMQPStreamConnection(env('MQ_HOST'), env('MQ_PORT'), env('MQ_USERNAME'), env('MQ_PWD'), env('MQ_VHOST'));
        } catch (\Exception $exception) {
            Log::info("AMQP connection Error" . $exception->getMessage());
            $connection = false;
        }
        return $connection;
    }

    /**
     * Execute the console command.
     *
     * @return mixed
     */
    public function handle()
    {
        Log::info('取消关注删除对应feed');
        $queue_name = $this->queue.'_delete_feed';
        $this->channel->queue_declare($queue_name, false, true, false, false);
        $this->channel->queue_bind($queue_name, $this->queue);
        $callback = function ($msg) {
            $this->line(date('Y-m-d H:i:S').$msg->body);
            $data = \GuzzleHttp\json_decode($msg->body, true);
            $this->line('收到数据' . $msg->body);
            $this->feedRepositories->contentFeedDelete($data);
            $msg->delivery_info['channel']->basic_ack($msg->delivery_info['delivery_tag']);
        };
        $this->channel->basic_consume($queue_name, '', false, false, false, false, $callback);

        while (count($this->channel->callbacks)) {
            $this->channel->wait();
        }
        $this->channel->close();
        $this->connection->close();


    }
}