<?php
interface ActionHandler
{
public function execute();
}
#[Attribute]
class SetUp {}
class CopyFile implements ActionHandler
{
public string $fileName;
public string $targetDirectory;
#[SetUp]
public function fileExists()
{
if (!file_exists($this->fileName)) {
throw new RuntimeException("File does not exist");
}
}
#[SetUp]
public function targetDirectoryExists()
{
if (!file_exists($this->targetDirectory)) {
mkdir($this->targetDirectory);
} elseif (!is_dir($this->targetDirectory)) {
throw new RuntimeException("Target directory $this->targetDirectory is not a directory");
}
}
public function execute()
{
copy($this->fileName, $this->targetDirectory . '/' . basename($this->fileName));
}
}
function executeAction(ActionHandler $actionHandler)
{
$reflection = new ReflectionObject($actionHandler);
foreach ($reflection->getMethods() as $method) {
$attributes = $method->getAttributes(SetUp::class);
if (count($attributes) > 0) {
$methodName = $method->getName();
$actionHandler->$methodName();
}
}
$actionHandler->execute();
}
$copyAction = new CopyFile();
$copyAction->fileName = "/tmp/foo.jpg";
$copyAction->targetDirectory = "/home/user";
executeAction($copyAction);