DWX2015 Code Generierung

Code-GenerierungCode-Generierung
Mit der Konsole

Repository: https://github.com/RalfEggert/dwx2015-code-generierung
Slides: http://de.slideshare.net/eggertralf/dwx2015-codegenerierung
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Über michÜber mich
2 / 59www.RalfEggert.dewww.RalfEggert.de

[B01]
MotivationMotivation
3 / 59

Frage ans PublikumFrage ans Publikum
4 / 59
[b02][b02]

Einsatzzwecke: KonsoleEinsatzzwecke: Konsole
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Codegenerierung
DeploymentSkripte
InstallationsSkripte
Datenbank Migration
SocketServerCron Jobs
Spider / Crawler

Tools Konsole & CodeTools Konsole & Code
7 / 59
Konsole Code

Tools Konsole & CodeTools Konsole & Code
8 / 59
Konsole Code

VariantenVarianten
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Zend Framework 2
Full-Stack ZF2 Applikation
Mit MVC
Gute ZF2-Kenntnisse
ZendCodeGenerator
ZendConsole
ZFConsole
»Richtige« Konsolen-Anwendung
Ohne MVC
Wenige ZF2-Kenntnisse
ZendCodeGenerator
ZendConsole

VariantenVarianten
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Zend Framework 2
Full-Stack ZF2 Applikation
Mit MVC
Gute ZF2-Kenntnisse
ZendCodeGenerator
ZendConsole
ZFConsole
»Richtige« Konsolen-Anwendung
Ohne MVC
Wenige ZF2-Kenntnisse
ZendCodeGenerator
ZendConsole

???
BausteineBausteine
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PHP 5.5
C0mposer
ZFConsole
ZendConsole
ZendCode
ZendConfig
ZendDb
ZendFilter
ZendValidator

Composer.jsonComposer.json
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{
"name": "ralfeggert/dwx2015-code-generierung",
"description": "DWX2015: Tool zur Code-Generierung",
"license": "MIT",
"require": {
"php": ">=5.5",
"zfcampus/zf-console": "~1.0",
"zendframework/zend-code": "~2.5",
"zendframework/zend-config": "~2.5",
"zendframework/zend-console": "~2.5",
"zendframework/zend-db": "~2.5",
"zendframework/zend-filter": "~2.5",
"zendframework/zend-validator": "~2.5"
},
"autoload": {
"psr-4": {
"PHPCG": "src/PHPCG"
}
},
"bin": ["bin/phpcg.php"]
}

InstallationInstallation
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// Projekt klonen
$ cd /home/devhost/
$ git clone https://github.com/RalfEggert/dwx2015-code-generierung
$ cd dwx2015-code-generierung/
// Abhängigkeiten per Composer installieren
$ php composer.phar install
// PHP Code Generator ausführen
$ bin/phpcg.php

[B00]
ZFConsoleZFConsole
14 / 59

ProjektProjekt
https://github.com/zfcampus/zf-console 15 / 59
[b00]

ApplicationApplication
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<?php
// Datei /bin/phpcg.php
use ZendConsoleConsole;
use ZFConsoleApplication;
define('DWX2015_PHPCG_ROOT', __DIR__ . '/..');
define('VERSION', '1.0.0');
include DWX2015_PHPCG_ROOT . '/vendor/autoload.php';
$routes = include DWX2015_PHPCG_ROOT . '/config/routes.php';
$console = Console::getInstance();
$application = new Application(
'PHP Code Generator (DWX2015)', VERSION, $routes, $console
);
$exit = $application->run();
exit($exit);

AutovervollständigungAutovervollständigung
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// Autovervollständigung einrichten
$ sudo bin/phpcg.php autocomplete > /etc/bash_completion.d/phpcg.php.sh
$ source /etc/bash_completion.d/phpcg.php.sh
// Autovervollständigung nutzen
$ bin/phpcg.php <TAB>
autocomplete create-hello-you-class create-user-entities
hello-someone hello-world hello-you
update-user-entities help version

PHAR GenerierenPHAR Generieren
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// PHAR Paket erstellen lassen
$ bin/create-phar.php
Phar created successfully in /home/devhost/dwx2015-code-generate/phpcg.phar
// Phar Paket verwenden
$ php phpcg.phar
---------------------------------------------------------------------------
PHP Code Generator (DWX2015), version 1.0.0
Available commands:
autocomplete Command autocompletion setup
create-hello-you-class Create hello you class
create-user-entities Create user entities
hello-someone Hello someone
hello-world Hello world
hello-you Hello you
help Get help for individual commands
update-user-entities Update user entities
version Display the version of the script
---------------------------------------------------------------------------

HilfeHilfe
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// Autovervollständigung einrichten
$ bin/phpcg.php help
---------------------------------------------------------------------------
Available commands:
autocomplete Command autocompletion setup
create-hello-you-class Create hello you class
create-user-entities Create user entities
hello-someone Hello someone
hello-world Hello world
hello-you Hello you
help Get help for individual commands
update-user-entities Update user entities
version Display the version of the script
---------------------------------------------------------------------------

Routing BeispieleRouting Beispiele
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// Route ohne Parameter 'say-stuff'
$ bin/phpcg.php say-stuff
// Route mit obligatorischem Wertparameter 'say-stuff <stuff>'
$ bin/phpcg.php say-stuff Whatever
// Route mit optionalem Flag 'do-stuff [--strict|-s]:strict'
$ bin/phpcg.php do-stuff -s
// Route mit optionalem Wertparameter 'do-stuff [--target=]'
$ bin/phpcg.php do-stuff --target=Whatever

[B04]
KommandosKommandos
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RouteRoute
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<?php
// Datei /config/routes.php
return array(
array(
'name' => 'hello-world',
'route' => 'hello-world',
'description' => 'Say hello to the world',
'short_description' => 'Hello world',
'handler' => 'PHPCGCommandHelloWorld',
),
[...]
);

KommandoKommando
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<?php
// Datei /src/PHPCG/Command/HelloWorld.php
namespace PHPCGCommand;
use ZendConsoleAdapterAdapterInterface as Console;
use ZendConsoleColorInterface as Color;
use ZFConsoleRoute;
class HelloWorld
{
public function __invoke(Route $route, Console $console)
{
$console->writeLine('Hello World', Color::YELLOW);
}
}

KonsoleKonsole
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$ bin/phpcg.php hello-world
---------------------------------------------------------------------------
Hello World
---------------------------------------------------------------------------

RouteRoute
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<?php
return array(
array(
'name' => 'hello-you',
'route' => 'hello-you <you>',
'description' => 'Say hello to you',
'short_description' => 'Hello you',
'options_descriptions' => array(
'<you>' => 'Your name'
),
'handler' => 'PHPCGCommandHelloYou',
),
[...]
);

KommandoKommando
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<?php
// Datei /src/PHPCG/Command/HelloYou.php
use ZFConsoleRoute;
class HelloYou
{
{
$you = $route->getMatchedParam('you');
$console->write('Hello ');
$console->write(sprintf('"%s"', $you), Color::YELLOW);
$console->writeLine(' ...');
}
}

KonsoleKonsole
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$ bin/phpcg.php hello-you Ralf
---------------------------------------------------------------------------
Hello "Ralf" ...
---------------------------------------------------------------------------

RouteRoute
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<?php
return array(
array(
'name' => 'hello-someone',
'route' => 'hello-someone',
'description' => 'Say hello to someone',
'short_description' => 'Hello someone',
'handler' => 'PHPCGCommandHelloSomeOne',
),
[...]
);

KommandoKommando
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<?php
// Datei /src/PHPCG/Command/HelloSomeOne.php
[...]
use ZendConsolePromptLine;
use ZendConsolePromptSelect;
class HelloSomeOne
{
{
$prompt = new Line('Please enter any name: ');
$you = $prompt->show();
$options = array(Color::BLACK => 'BLACK', [...], Color::BLUE => 'BLUE');
$prompt = new Select('Please choose any color: ', $options);
$color = $prompt->show();
$console->write('Hello ');
$console->write(sprintf(' %s ', $you), Color::WHITE, $color);
$console->writeLine(' ...');
}
}

KonsoleKonsole
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$ bin/phpcg.php hello-someone
---------------------------------------------------------------------------
Please enter any name: Ralf
Please choose any color:
1) BLACK
2) RED
3) GREEN
4) YELLOW
5) BLUE
Hello ...
---------------------------------------------------------------------------
ralf@ralf-HP-2013:/home/devhost/dwx2015-code-generierung$
Ralf

[B05]
CODECODE
GeneratorGenerator
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ProjektProjekt
https://github.com/zendframework/zend-code 32 / 59
[b00]

GeneratorenGeneratoren
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Body Generator
Class Generator
Doc Block Generator
FileGenerator
Method Generator
Parameter Generator
PropertyGenerator
TRAIT Generator
Value Generator
Weitere Generatoren

RouteRoute
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<?php
return array(
array(
'name' => 'create-hello-you-class',
'route' => 'create-hello-you-class',
'description' => 'Create a hello you class',
'short_description' => 'Create hello you class',
'handler' => 'PHPCGCommandCreateHelloYou',
),
[...]
);

Class Generator IClass Generator I
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<?php
// Datei /src/PHPCG/Generator/HelloYouClassGenerator.php
namespace PHPCGGenerator;
use ZendCodeGeneratorClassGenerator;
use ZendCodeGeneratorMethodGenerator;
use ZendCodeGeneratorParameterGenerator;
use ZendCodeGeneratorPropertyGenerator;
class HelloYouClassGenerator
{
private $class;
public function getClass()
{
return $this->class;
}
public function createClass() {}
}

Class Generator IIClass Generator II
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<?php
public function createClass()
{
$nameProperty = new PropertyGenerator('name');
$nameProperty->addFlag(PropertyGenerator::FLAG_PRIVATE);
$nameSetMethod = new MethodGenerator('setName');
$nameSetMethod->addFlag(MethodGenerator::FLAG_PUBLIC);
$nameSetMethod->setParameter(new ParameterGenerator('name'));
$nameSetMethod->setBody('$this->name = $name;');
$greetMethod = new MethodGenerator('greet');
$greetMethod->addFlag(MethodGenerator::FLAG_PUBLIC);
$greetMethod->setBody('return sprintf("Hello %s!", $this->name);');
$this->class = new ClassGenerator('HelloYou', 'HelloGreeting');
$this->class->addPropertyFromGenerator($nameProperty);
$this->class->addMethods(array($nameSetMethod, $greetMethod));
}

FILE GeneratorFILE Generator
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<?php
// Datei /src/PHPCG/Generator/ClassFileGenerator.php
use ZendCodeGeneratorDocBlockGenerator;
use ZendCodeGeneratorFileGenerator;
class ClassFileGenerator
{
private $file;
public function getFile()
{
return $this->file;
}
public function createFile(ClassGenerator $class)
{
$docBlock = new DocBlockGenerator([...]);
$this->file = new FileGenerator();
$this->file->setClass($class);
$this->file->setDocBlock($docBlock);
}
}

KommandoKommando
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<?php
// Datei /src/PHPCG/Command/CreateHelloYouClass.php
[...]
class CreateHelloYouClass
{
{
$fileName = DWX2015_PHPCG_ROOT . '/tmp/HelloYouClass.php';
$classGenerator = new HelloYouClassGenerator();
$classGenerator->createClass();
$class = $classGenerator->getClass();
$fileGenerator = new ClassFileGenerator();
$fileGenerator->createFile($class);
$file = $fileGenerator->getFile();
file_put_contents($fileName, $file->generate());
[...]
}
}

KonsoleKonsole
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$ bin/phpcg.php create-hello-you-class
----------------------------------------------------------------------------------------
Created class HelloYou in file
/home/devhost/dwx2015-code-generierung/tmp/HelloYouClass.php
<?php
namespace HelloGreeting;
class HelloYou
{
private $name = null;
public function setName($name)
{
$this->name = $name;
}
public function greet()
{
return sprintf("Hello %s!", $this->name);
}
}
----------------------------------------------------------------------------------------

[B06]
DatenbankDatenbank
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ProjektProjekt
https://github.com/zendframework/zend-db 41 / 59
[b00]

ZendDb KomponentenZendDb Komponenten
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Adapter
Metadata
Result Set
RowGateway
SQL
Table Gateway

DatenbankmodellDatenbankmodell
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DB KonfigurationDB Konfiguration
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<?php
// Datei /config/db.php
return array(
'adapter' => array(
'driver' => 'Pdo',
'dsn' => 'mysql:dbname=dwx2015.user;host=localhost;charset=utf8',
'user' => 'dwx2015',
'pass' => 'dwx2015',
),
);

Meta Data Collector IMeta Data Collector I
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<?php
// Datei /src/PHPCG/MetaData/Collector.php
namespace PHPCGCollector;
use ZendDbMetadataMetadata;
use ZendDbMetadataObjectColumnObject;
class MetaDataCollector
{
public function __construct(Metadata $metaData)
{
$this->metaData = $metaData;
}
public function fetchTableColumns($tableName)
{
$tableColumns = array();
[...]
return $tableColumns;
}
}

Meta Data Collector IIMeta Data Collector II
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<?php
[...]
foreach ($tableMeta->getColumns() as $column) {
$config = array('required' => !$column->getIsNullable());
if (in_array($column->getDataType(), array('varchar','text','enum'))) {
$config['type'] = 'string';
} else {
$config['type'] = 'integer';
}
if ($column->getDataType() == 'varchar') {
$config['max_length'] = $column->getCharacterMaximumLength();
} elseif ($column->getDataType() == 'enum') {
$config['values'] = $column->getErrata('permitted_values');
}
$tableColumns[$column->getName()] = $config;
}

User Entity Generator IUser Entity Generator I
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<?php
// Datei /src/PHPCG/Generator/UserEntityGenerator.php
use ZendCodeGeneratorDocBlockGenerator;
use ZendCodeGeneratorMethodGenerator;
use ZendCodeGeneratorParameterGenerator;
use ZendCodeGeneratorPropertyGenerator;
use ZendCodeGeneratorValueGenerator;
use ZendFilterWordUnderscoreToCamelCase;
class UserEntityGenerator extends ClassGenerator
{
private $class;
private $filterUTCC;
public function __construct() {}
public function getClass() {}
public function createClass() {}
public function addEntityProperties(array $columns = array()) {}
}

User Entity Generator IIUser Entity Generator II
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<?php
public function __construct()
{
$this->filterUTCC = new UnderscoreToCamelCase();
}
public function getClass()
{
return $this->class;
}
public function createClass()
{
$this->class = new ClassGenerator('UserEntity', 'UserEntity');
$this->class->setDocBlock(
new DocBlockGenerator([...])
);
}

User Entity Generator IIIUser Entity Generator III
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<?php
public function addEntityProperties()
{
foreach ($this->columns as $name => $attributes) {
$property = $this->generateProperty($name, $attributes);
$getMethod = $this->generateGetMethod($name, $attributes);
$setMethod = $this->generateSetMethod($name, $attributes);
$this->class->addPropertyFromGenerator($property);
$this->class->addMethodFromGenerator($getMethod);
$this->class->addMethodFromGenerator($setMethod);
}
}
private function generateProperty($name, array $attributes = array())
{
$property = new PropertyGenerator($name);
$property->addFlag(PropertyGenerator::FLAG_PROTECTED);
return $property;
}

User Entity Generator IVUser Entity Generator IV
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<?php
private function generateGetMethod($name, array $attributes = array())
{
$methodName = 'get' . $this->filterUTCC->filter($name);
$getMethod = new MethodGenerator($methodName);
$getMethod->addFlag(MethodGenerator::FLAG_PUBLIC);
$getMethod->setBody('return $this->' . $name . ';');
return $getMethod;
}

User Entity Generator VUser Entity Generator V
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<?php
private function generateSetMethod($name, array $attribs = array())
{
$methodName = 'set' . $this->filterUTCC->filter($name);
$defaultValue = !$attribs['required'] ? new ValueGenerator(null) : null;
$setMethod = new MethodGenerator($methodName);
$setMethod->addFlag(MethodGenerator::FLAG_PUBLIC);
$setMethod->setParameter(
new ParameterGenerator($name, null, $defaultValue)
);
$setMethod->setBody('$this->' . $name . ' = $' . $name . ';');
return $setMethod;
}

Kommando IKommando I
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<?php
// Datei /src/PHPCG/Command/CreateUserEntities.php
use PHPCGCollectorMetaDataCollector;
use PHPCGGeneratorClassFileGenerator;
use PHPCGGeneratorUserEntityGenerator;
use ZendDbAdapterAdapter;
use ZendDbMetadataMetadata;
use ZFConsoleRoute;
class CreateUserEntities
{
{
[...]
}
}

Kommando IIKommando II
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<?php
{
$dbConfig = include DWX2015_PHPCG_ROOT . '/config/db.php';
$fileName = DWX2015_PHPCG_ROOT . '/tmp/UserEntity.php';
$dbAdapter = new Adapter($dbConfig['adapter']);
$metaData = new Metadata($dbAdapter);
$collector = new MetaDataCollector($metaData);
$userColumns = $collector->fetchTableColumns('user');
$classGenerator = new UserEntityGenerator();
$classGenerator->createClass();
$classGenerator->addEntityProperties($userColumns);
$class = $classGenerator->getClass();
$fileGenerator = new ClassFileGenerator();
$fileGenerator->createFile($class);
$file = $fileGenerator->getFile();
file_put_contents($fileName, $file->generate());
[...]
}

KonsoleKonsole
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$ bin/phpcg.php create-user-entities
-------------------------------------------------------------------------------------------------
Created class UserEntity in file
/home/devhost/dwx2015-code-generierung/tmp/UserEntity.php
<?php
namespace UserEntity;
class UserEntity
{
protected $id = null;
[...]
public function getId()
{
return $this->id;
}
public function setId($id)
{
$this->id = $id;
}
[...]
}
-------------------------------------------------------------------------------------------------

[B07]
War es das?War es das?
55 / 59

Weitere IdeenWeitere Ideen
56 / 59
Entities
Aktualisieren
✓
Formulare
generieren
Validierung
In Entity
✓
Entities
löschen
InputFilter
Generieren

Fragen vom Publikum?Fragen vom Publikum?
57 / 59
[b08]

DANKEDANKE
Für Ihre / Eure Aufmerksamkeit!

Repository: https://github.com/RalfEggert/dwx2015-code-generierung
Slides: http://de.slideshare.net/eggertralf/dwx2015-codegenerierung
58 / 59

BildnachweisBildnachweis
[B00] Fotos von Ralf Eggert
[B01] Carrot And Stick Incentives Lead Manage http://www.workcompass.com/ von Alan O'Rourke - CC-BY https://creativecommons.org/licenses/by/2.0/
[B02] Frontiers 2011 - Day 2 https://www.flickr.com/photos/frontiersofinteraction/5866676276/ von Frontiersofinteraction - CC-BY https://creativecommons.org/licenses/by/2.0/
[B03] Multi Tools https://www.flickr.com/photos/pennuja/5363515039 von Jim Pennucci - CC-BY https://creativecommons.org/licenses/by/2.0/
[B04] Command https://www.flickr.com/photos/shearforce/3838603833/ von Margaret Shear - CC-BY-SA https://creativecommons.org/licenses/by-sa/2.0/
[B05] Propeller Generator in the Sunset https://www.flickr.com/photos/jiazi/2060352110/ von Tim Wang - CC-BY-SA https://creativecommons.org/licenses/by-sa/2.0/
[B06] Fixing the database https://www.flickr.com/photos/dahlstroms/4140461901 von Håkan Dahlström - CC-BY https://creativecommons.org/licenses/by/2.0/
[B07] I have an idea @ home https://www.flickr.com/photos/ful1to/3783198574/ von Julian Santacruz - CC-BY https://creativecommons.org/licenses/by/2.0/
[B08] Etech05: Audience https://www.flickr.com/photos/oreilly/6648470 von James Duncan Davidson - CC-BY https://creativecommons.org/licenses/by/2.0/
Alle weiteren Screenshots wurden von Ralf Eggert erstellt.
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DWX2015 Code Generierung