Merge pull request mouredev#4942 from miguelex/main

#29 - php

Author: Roswell468

Roadmap/29 - SOLID ISP/php/miguelex.php

@@ -0,0 +1,150 @@
+<?php
+
+// Ejemplo basico sin ISP
+
+interface PaymentInterface {
+    public function payOnline($amount);
+    public function payInCash($amount);
+}
+
+class OnlinePayment implements PaymentInterface {
+    public function payOnline($amount) {
+        echo "Procesando el pago online de " . $amount . " €\n";
+    }
+
+    public function payInCash($amount) {
+        throw new Exception("El pago Online no admite el pago en efectivo");
+    }
+}
+
+class CashPayment implements PaymentInterface {
+    public function payOnline($amount) {
+        throw new Exception("El pago en efectivo no permite el pago por medios online");
+    }
+
+    public function payInCash($amount) {
+        echo "Procesando el pago en efectivo de " . $amount. " €\n";
+    }
+}
+
+echo "\n Ejemplo basico sin ISP\n";
+$onlinePayment = new OnlinePayment();
+$cashPayment = new CashPayment();
+
+$onlinePayment->payOnline(100);
+//$onlinePayment->payInCash(100); 
+
+//$cashPayment->payOnline(100); 
+$cashPayment->payInCash(100);
+
+// Ejemplo basico aplicando ISP
+
+interface OnlinePaymentInterface {
+    public function payOnline($amount);
+}
+
+interface CashPaymentInterface {
+    public function payInCash($amount);
+}
+
+class OnlinePayment2 implements OnlinePaymentInterface {
+    public function payOnline($amount) {
+        echo "Procesando el pago online de " . $amount. " €\n";
+    }
+}
+
+class CashPayment2 implements CashPaymentInterface {
+    public function payInCash($amount) {
+        echo "Procesando el pago en efectivo de " . $amount. " €\n";
+    }
+}
+
+echo "\n Ejemplo basico con ISP\n";
+$onlinePayment = new OnlinePayment2();
+$cashPayment = new CashPayment2();
+
+$onlinePayment->payOnline(100);
+
+$cashPayment->payInCash(100);
+
+// Extra
+
+interface BlackAndWhitePrintInterface {
+    public function printBlackAndWhite($document);
+}
+
+interface ColorPrintInterface {
+    public function printColor($document);
+}
+
+interface ScanInterface {
+    public function scan($document);
+}
+
+interface FaxInterface {
+    public function sendFax($document);
+}
+
+class BlackAndWhitePrinter implements BlackAndWhitePrintInterface {
+    public function printBlackAndWhite($document) {
+        echo "Imprimiendo el documento " . $document . " en ByN\n";
+    }
+}
+
+class ColorPrinter implements ColorPrintInterface {
+    public function printColor($document) {
+        echo "Imprimiendo el documento " . $document . " en color\n";
+    }
+}
+
+class MultifunctionPrinter implements BlackAndWhitePrintInterface, ColorPrintInterface, ScanInterface, FaxInterface {
+    public function printBlackAndWhite($document) {
+        echo "Imprimiendo el documento " . $document . " en ByN\n";
+    }
+
+    public function printColor($document) {
+        echo "Imprimiendo el documento " . $document . " en color\n";
+    }
+
+    public function scan($document) {
+        echo "Escaneando el documento " . $document . "\n";
+    }
+
+    public function sendFax($document) {
+        echo "Mandando por fax el documento ". $document . "\n";
+    }
+}
+
+function testPrinter(BlackAndWhitePrintInterface $bwPrinter = null, ColorPrintInterface $colorPrinter = null, ScanInterface $scanner = null, FaxInterface $faxMachine = null) {
+    $document = "Test_Document.doc";
+
+    if ($bwPrinter !== null) {
+        $bwPrinter->printBlackAndWhite($document);
+    }
+
+    if ($colorPrinter !== null) {
+        $colorPrinter->printColor($document);
+    }
+
+    if ($scanner !== null) {
+        $scanner->scan($document);
+    }
+
+    if ($faxMachine !== null) {
+        $faxMachine->sendFax($document);
+    }
+}
+
+$bwPrinter = new BlackAndWhitePrinter();
+$colorPrinter = new ColorPrinter();
+$multifunctionPrinter = new MultifunctionPrinter();
+
+echo "\nExtra\n";
+echo "Probando impresora ByN:\n";
+testPrinter($bwPrinter);
+
+echo "\nProbanco impresora color:\n";
+testPrinter(null, $colorPrinter);
+
+echo "\nProbando impresora multifunción:\n";
+testPrinter($multifunctionPrinter, $multifunctionPrinter, $multifunctionPrinter, $multifunctionPrinter);