Chapters

48 Chapters | 5:05:05 |

01

Installing Messenger

6:15
02

Message, Handler & the Bus

8:36
03

Doing Work in the Handler

6:32
04

Message, Handler & debug:messenger

5:51
05

Transport: Do Work Later (Async)

7:33
06

Worker Command

5:34
07

Problems with Entities in Messages

4:53
08

Passing Entity Ids inside of Messages

8:00
09

Dispatching a Message inside a Handler?

5:30
10

Partial Handler Failures & Advanced Routing

4:35
11

Envelopes & Stamps

6:23
12

Retrying on Failure

5:11
13

Retry Delay & Retry Strategy

4:40
14

The Failure Transport

5:37
15

Investigating & Retrying Failed Messages

5:41
16

Middleware

5:59
17

Tracking Messages with Middleware & a Stamp

5:31
18

Logger Channel Setup and Autowiring

5:26
19

Middleware Message Lifecycle Logging

7:47
20

High Priority Transports

5:40
21

Handling Messages Sync while Developing

5:54
22

Functional Test for the Upload Endpoint

9:22
23

Testing with the "in-memory" Transport

5:26
24

Deployment & Supervisor

9:08
25

Killing Workers Early & on Deploy

5:55
26

Events & Event Bus

5:22
27

Creating & Handling Events

7:55
28

Dispatching the Event & No Handlers

7:06
29

Messenger vs EventDispatcher

3:18
30

Doctrine Transaction & Validation Middleware

5:58
31

Event & Command Bus Organization

7:23
32

Query Bus

8:47
33

Advanced Handler Config: Handler Subscribers

7:58
34

Sending Handlers to Different Transports: from_transport

3:21
35

AMQP with RabbitMQ

7:22
36

AMQP Internals: Exchanges & Queues

8:10
37

AMQP Priority Exchange

7:15
38

Delaying in AMQP: Dead Letter Exchange

7:23
39

Exchange Routing and Binding Keys

6:38
40

Dynamic AMQP Routing Key (AmqpStamp)

7:50
41

Serializing Messages as JSON

6:41
42

JSON, Message Headers & Serializer Options

3:15
43

Setup for Messages from an Outside System

6:01
44

Transport for Consuming External Messages

5:51
45

Custom Transport Serializer

6:33
46

The Lifecycle of a Message & its Stamps

8:16
47

Graceful Failure in the Transport Serializer

4:47
48

Mapping Messages to Classes in a Transport Serializer

4:56

> Symfony 5 > Messenger! Queue work for Later

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41.

Serializing Messages as JSON

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3 Comments

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Roman P. 6 years ago edited

Hi there Guys!
I've added this serializer to another project and faced a problem:


class SomeComand
{
    private int $id;

    public function __construct(int $id)
    {
        $this->id = $id;
    }

    public function id(): int
    {
        return $this->id;
    }
}

I don't want to use 'getter-setter' pattern and this is a problem for the serializer: the Serializer::encode method returns an empty array in body property
Is there any bypass for this?

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weaverryan SFCASTS Roman P. 6 years ago edited

Hey Roman P.!

Yea... the problem is that, by default. the Symfony serializer uses something called an ObjectNormalizer, which uses the PropertyAccessor component to figure out which fields to serialize. That is a fancy way of saying that it looks for public properties and getter methods. If you rename your method to getId() it will work perfectly. If you don't want to do this, you'll probably need to register your own custom serializer with a custom normalizer that is able to call the correct methods to get the data :).

Cheers!

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Roman P. weaverryan 6 years ago edited

cool, I'll try this
thanks weaverryan =)
public properties equals no encapsulation

|

This tutorial is built with Symfony 4.3, but will work well on Symfony 4.4 or 5.

Symfony 4.3

What PHP libraries does this tutorial use?

// composer.json
{
    "require": {
        "php": "^7.1.3",
        "ext-ctype": "*",
        "ext-iconv": "*",
        "composer/package-versions-deprecated": "^1.11", // 1.11.99
        "doctrine/annotations": "^1.0", // v1.8.0
        "doctrine/doctrine-bundle": "^1.6.10", // 1.11.2
        "doctrine/doctrine-migrations-bundle": "^1.3|^2.0", // v2.0.0
        "doctrine/orm": "^2.5.11", // v2.6.3
        "intervention/image": "^2.4", // 2.4.2
        "league/flysystem-bundle": "^1.0", // 1.1.0
        "phpdocumentor/reflection-docblock": "^3.0|^4.0", // 4.3.1
        "sensio/framework-extra-bundle": "^5.3", // v5.3.1
        "symfony/console": "4.3.*", // v4.3.2
        "symfony/dotenv": "4.3.*", // v4.3.2
        "symfony/flex": "^1.9", // v1.21.6
        "symfony/framework-bundle": "4.3.*", // v4.3.2
        "symfony/messenger": "4.3.*", // v4.3.4
        "symfony/property-access": "4.3.*", // v4.3.2
        "symfony/property-info": "4.3.*", // v4.3.2
        "symfony/serializer": "4.3.*", // v4.3.2
        "symfony/validator": "4.3.*", // v4.3.2
        "symfony/webpack-encore-bundle": "^1.5", // v1.6.2
        "symfony/yaml": "4.3.*" // v4.3.2
    },
    "require-dev": {
        "easycorp/easy-log-handler": "^1.0.7", // v1.0.7
        "symfony/debug-bundle": "4.3.*", // v4.3.2
        "symfony/maker-bundle": "^1.0", // v1.12.0
        "symfony/monolog-bundle": "^3.0", // v3.4.0
        "symfony/stopwatch": "4.3.*", // v4.3.2
        "symfony/twig-bundle": "4.3.*", // v4.3.2
        "symfony/var-dumper": "4.3.*", // v4.3.2
        "symfony/web-profiler-bundle": "4.3.*" // v4.3.2
    }
}

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