Merge pull request #5078 from miguelex/main

#30 - php

Author: Roswell468

Roadmap/30 - SOLID DIP/php/miguelex.php

@@ -0,0 +1,130 @@
+<?php
+
+// Ejemplo de código que viola el principio de inversión de dependencias
+
+class CreditCardPayment {
+    public function process($amount) {
+
+        echo "Procesando pago de $amount con tarjeta de crédito\n";
+    }
+}
+
+class PaymentProcessor {
+    private $paymentMethod;
+
+    public function __construct() {
+        $this->paymentMethod = new CreditCardPayment();
+    }
+
+    public function processPayment($amount) {
+        $this->paymentMethod->process($amount);
+    }
+}
+
+// Uso
+echo "\n\nEjemplo de mala implementacion\n\n";
+$paymentProcessor = new PaymentProcessor();
+$paymentProcessor->processPayment(100);
+
+?>
+
+
+<?php
+
+// Ejemplo de codigo que cumple el principio de inversion de dependencias
+interface PaymentMethodInterface {
+    public function process($amount);
+}
+
+// Implementación concreta de la interfaz
+class CreditCardPayment2 implements PaymentMethodInterface {
+    public function process($amount) {
+
+        echo "Procesando pago de $amount con tarjeta de crédito\n";
+    }
+}
+
+class PayPalPayment implements PaymentMethodInterface {
+    public function process($amount) {
+        // Lógica para procesar el pago con PayPal
+        echo "Procesando pago de $amount con PayPal\n";
+    }
+}
+
+class PaymentProcessor2 {
+    private $paymentMethod;
+
+    public function __construct(PaymentMethodInterface $paymentMethod) {
+        $this->paymentMethod = $paymentMethod;
+    }
+
+    public function processPayment($amount) {
+        $this->paymentMethod->process($amount);
+    }
+}
+
+echo "\n\nEjemplo correcto\n\n";
+$creditCardPayment = new CreditCardPayment2();
+$paymentProcessor = new PaymentProcessor2($creditCardPayment);
+$paymentProcessor->processPayment(100);
+
+echo "\n\nAhora probemos usando paypal\n\n";
+$paypalPayment = new PayPalPayment();
+$paymentProcessor = new PaymentProcessor2($paypalPayment);
+$paymentProcessor->processPayment(200);
+
+// Ejercicio extra
+
+interface NotificationInterface {
+    public function send($message, $recipient);
+}
+
+class EmailNotification implements NotificationInterface {
+    public function send($message, $recipient) {
+        // Lógica para enviar un correo electrónico
+        echo "Enviando email a $recipient: $message\n";
+    }
+}
+
+class PushNotification implements NotificationInterface {
+    public function send($message, $recipient) {
+        // Lógica para enviar una notificación push
+        echo "Enviando notificación push a $recipient: $message\n";
+    }
+}
+
+class SMSNotification implements NotificationInterface {
+    public function send($message, $recipient) {
+        // Lógica para enviar un SMS
+        echo "Enviando SMS a $recipient: $message\n";
+    }
+}
+
+class NotificationService {
+    private $notificationMethod;
+
+    // Inyección de la dependencia a través del constructor
+    public function __construct(NotificationInterface $notificationMethod) {
+        $this->notificationMethod = $notificationMethod;
+    }
+
+    public function notify($message, $recipient) {
+        $this->notificationMethod->send($message, $recipient);
+    }
+}
+
+echo "\n\nEjercicio extra\n\n";
+
+$emailNotification = new EmailNotification();
+$pushNotification = new PushNotification();
+$smsNotification = new SMSNotification();
+
+// Crear el servicio de notificaciones con diferentes métodos
+$emailService = new NotificationService($emailNotification);
+$pushService = new NotificationService($pushNotification);
+$smsService = new NotificationService($smsNotification);
+
+// Enviar notificaciones utilizando el servicio
+$emailService->notify("Hola, mundo!", "[email protected]");
+$pushService->notify("Tienes una nueva actualización", "usuario123");
+$smsService->notify("Tu código de verificación es 123456", "666666666");