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Greg0ire
ne-soyez-plus-l-esclave-de-doctrine
Commits
51e1d11c
Commit
51e1d11c
authored
7 years ago
by
Maxime Veber
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Started real slides :D :D :D :D
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51e1d11c
# Hello World
# Ne soyez plus l'esclave de Doctrine
---
## Hello!
<div
style=
"width: 50%; float: left;"
>
Grégoire Paris
</div>
<div
style=
"width: 50%; float: right;"
>
Maxime Veber
</div>
---
### Une application classique
<pre
style=
"width: 50%; float: left;"
>
.
├── AppBundle
├── Admin
├── AppBundle.php
├── Controller
├── DataFixtures
├── DependencyInjection
├── Entity
├── Form
├── Listeners
├── OAuth
├── Resources
├── Tag
└── Twig
</pre>
---
### Vous avez dit entité ?
```
php
<?php
class
TypicalArticle
{
private
$id
;
private
$content
;
public
function
getId
()
{
return
$this
->
id
;
}
public
function
getContent
()
{
return
$this
->
content
;
}
public
function
setContent
(
$content
)
{
$this
->
content
=
$content
;
return
$this
;
}
}
```
Notes:
-
Pas de validation
-
Pas de règles métier
-
Aucune logique (pas de tests nécessaires)
final
class
Countdown
---
### Nous aimons le DDD
-
Séparer le
**domaine**
de l'infrastructure
-
Représenter les
**règles métier**
dans les entités
-
Avoir une API expressive
---
### Doctrine n'a pas besoin de setters
```
php
class
NotThatTypicalArticle
{
private
$ryan
;
private
$id
;
private
$content
;
public
function
__construct
(
string
$content
)
{
$this
->
content
=
$content
;
}
// getters
}
```
Notes:
-
intégrité du domaine
-
Pas de setters par défaut, ni Doctrine ni sf n'en ont besoin
---
### Les règles métier
```
php
class
Article
{
private
$id
;
private
$content
;
public
function
__construct
(
string
$content
)
{
if
(
empty
(
$content
))
{
throw
new
ArticleHasNoContent
();
}
$this
->
content
=
$content
;
}
// getters
}
```
Note:
-
Impossible de persister une entité invalide
-
Validation compliquée quand on a trop de propriétés
---
### Les value objects
```
php
class
ArticleContent
{
private
$content
;
private
$lastModification
;
public
function
__construct
(
string
$content
)
{
if
(
empty
(
$content
))
{
throw
new
ArticleHasNoContent
();
}
$this
->
content
=
$content
;
$this
->
lastModification
=
new
\DatetimeImmutable
();
}
}
```
Note:
-
Déportation de la validation dans les value objects
-
Début d'arborescence
-
Doctrine Embeddables
-
Custom types
---
### Les constructeurs nommés
```
php
class
BetterArticle
{
public
static
function
createFromNative
(
string
$content
)
{
return
new
self
(
new
ArticleContent
(
$content
));
}
}
```
---
# Emoji test
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