クリーンアーキテクチャの考え方にもとづく Laravel との付き合い方 #phpconokinawa

Laravel
PHP Conference Okinawa 2019
@okashoi WILLGATE, Inc.

•
• 🙆
•
• #phpconokinawa
2

※ 2019/09/21  
PHP 2019  
3

• 2
• 3
• 5
• Laravel 10
• 3
• 2
4

• 2
• 3
• 5
• Laravel 10
• 3
• 2
5

• 2
• 3
• 5
• Laravel 10
• 3
• 2
6

• 2
• 3
• 5
• Laravel 10
• 3
• 2
7

• 2
• 3
• 5
• Laravel 10
• 3
• 2
8

• 2
• 3
• 5
• Laravel 10
• 3
• 2
9

• 2
• 3
• 5
• Laravel 10
• 3
• 2
12

2012
”The Clean Architecture - The Clean Code Blog”,
https://blog.cleancoder.com/uncle-bob/2012/08/13/the-clean-architecture.html
13

”The Clean Architecture - The Clean Code Blog”,
https://blog.cleancoder.com/uncle-bob/2012/08/13/the-clean-architecture.html
15

• 2
• 3
• 5
• Laravel 10
• 3
• 2
19

• Enterprise Business Rules
•
•
• Application Business Rules
•
25

https://little-hands.hatenablog.com/entry/2019/07/26/
domain-knowledge 26

package foo;
import bar;
class Foo {
bar.Bar x;
function doFoo() {
x.process();
}
}
30
package bar;
class Bar {
function process() {
// do something...
}
}

package foo;
import bar;
class Foo {
bar.Bar x;
function doFoo() {
x.process();
}
}
31
package bar;
class Bar {
// do something...
}
}
foo bar = foo → bar

package foo;
import bar;
class Foo {
bar.Bar x;
function doFoo() {
x.process();
}
}
32
package bar;
class Bar {
// do something...
}
}

package foo;
import bar;
class Foo {
bar.Bar x;
function doFoo() {
x.process();
}
}
33
package bar;
class Bar {
// do something...
}
}
foo → bar
foo → bar

package foo;
class Foo {
Buz x;
function doFoo() {
x.process();
}
}
interface Buz {
function process();
}
34
package bar;
import foo;
class Bar implements foo.Buz {
// do something...
}
}

package foo;
class Foo {
Buz x;
function doFoo() {
x.process();
}
}
interface Buz {
function process();
}
35
package bar;
import foo;
// do something...
}
}

package foo;
class Foo {
Buz x;
function doFoo() {
x.process();
}
}
interface Buz {
function process();
}
36
package bar;
import foo;
// do something...
}
}

package foo;
class Foo {
Buz x;
function doFoo() {
x.process();
}
}
interface Buz {
function process();
}
37
package bar;
import foo;
// do something...
}
}
bar foo = foo ← bar

package foo;
class Foo {
Buz x;
function doFoo() {
x.process();
}
}
interface Buz {
function process();
}
38
package bar;
import foo;
// do something...
}
}
foo → bar
foo ← bar

• 2
• 3
• 5
• Laravel 10
• 3
• 2
43

Laravel
• DI
• Eloquent
44

Laravel
•  
Service Provider
• Laravel  
45

Laravel
•  
Service Provider
• Laravel  
46

@Laravel JP Conference 2019
https://speakerdeck.com/mikakane/laravel-package-
development 47

Service Provider
•
•  
• =
• =
49

Service Provider
50
class AppServiceProvider extends ServiceProvider
{
/**
* Register any application services.
*
* @return void
*/
public function register()
{
$this->app->bind(IdProvider::class, AutoIncrementTaskIdProvider::class);
$this->app->bind(TaskRepositoryInterface::class, TaskRepository::class);
}

Service Container
 
51
/**
* Interactor constructor.
* @param IdProvider $idProvider
* @param TaskRepository $taskRepository
* @param NormalOutputBoundary $normalOutputBoundary
*/
public function __construct(IdProvider $idProvider, TaskRepository $taskRepository, …
{
$this->idProvider = $idProvider;
$this->taskRepository = $taskRepository;
$this->normalOutputBoundary = $normalOutputBoundary;
}

Laravel
•  
Service Provider
• Laravel  
52

Clean Architecture
Clean Architecture
Kindle No. 3228/6016 53

•
•
• POPO Plain Old PHP Object
➡
57

PHP
58
<?php
namespace MyAppEntitiesTask;
use DatetimeImmutable;
/**
* Class Inbox
* @package MyAppEntitiesTask
*/
final class Inbox extends Task
{
/**
* @var EstimatedTime|null
*/
private $estimatedTime;

62
<?php
namespace MyAppComponentsCreateInboxUseCase;
use MyAppEntitiesTask{Task, Id};
/**
* Interface TaskRepository
* @package MyAppComponentsCreateInboxUseCase
*/
interface TaskRepository
{
/**
* 与えられたタスクを永続化する
*
* @param Task $task
*/
public function save(Task $task): void;

Web UI
•
• 🙆
• Eloquent
66

<?php
namespace MyAppComponentsCreateInboxDataAccessDatabaseRepositories;
// 略
/**
* Class TaskRepository
* @package MyAppComponentsCreateInboxDataAccessDatabaseRepositories
*/
class TaskRepository implements TaskRepositoryInterface
{
/**
*
* @param Task $task
*/
public function save(Task $task): void
{
$taskRecord = EloquentsTask::create([
'name' => $task->name()->value(),
'note' => $task->note()->value(),
]);
67

<?php
namespace MyAppComponentsCreateInboxDataAccessDatabaseRepositories;
// 略
/**
* Class TaskRepository
* @package MyAppComponentsCreateInboxDataAccessDatabaseRepositories
*/
class TaskRepository implements TaskRepositoryInterface
{
/**
*
* @param Task $task
*/
public function save(Task $task): void
{
$taskRecord = EloquentsTask::create([
'name' => $task->name()->value(),
'note' => $task->note()->value(),
]);
Eloquent
68

WIP
https://github.com/okashoi/laravel-clean-
architecture
•
•
•
70

• 2
• 3
• 5
• Laravel 10
• 3
• 2
71

package foo;
class Foo {
Buz x;
function doFoo() {
x.process();
}
}
interface Buz {
function process();
}
73
package bar;
import foo;
// do something...
}
}

Laravel
•  
Service Provider
• Laravel  
74

• 2
• 3
• 5
• 10
• 3
• 2
75

• Laravel JP Conference 2020
81https://conference2020.laravel.jp/

クリーンアーキテクチャの考え方にもとづく Laravel との付き合い方 #phpconokinawa

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クリーンアーキテクチャの考え方にもとづく Laravel との付き合い方 #phpconokinawa