more simple an concise example of AbstractFactory

.gitignore

@@ -2,7 +2,7 @@
 .idea
 /nbproject
 /vendor/
-_build/
+/_build/
 *.mo
 .vagrant/
 phpunit.xml

Creational/AbstractFactory/CsvParser.php

@@ -1,36 +0,0 @@
-<?php
-
-namespace DesignPatterns\Creational\AbstractFactory;
-
-class CsvParser implements Parser
-{
-    const OPTION_CONTAINS_HEADER = true;
-    const OPTION_CONTAINS_NO_HEADER = false;
-
-    /**
-     * @var bool
-     */
-    private $skipHeaderLine;
-
-    public function __construct(bool $skipHeaderLine)
-    {
-        $this->skipHeaderLine = $skipHeaderLine;
-    }
-
-    public function parse(string $input): array
-    {
-        $headerWasParsed = false;
-        $parsedLines = [];
-
-        foreach (explode(PHP_EOL, $input) as $line) {
-            if (!$headerWasParsed && $this->skipHeaderLine === self::OPTION_CONTAINS_HEADER) {
-                $headerWasParsed = true;
-                continue;
-            }
-
-            $parsedLines[] = str_getcsv($line);
-        }
-
-        return $parsedLines;
-    }
-}

Creational/AbstractFactory/DigitalProduct.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace DesignPatterns\Creational\AbstractFactory;
+
+class DigitalProduct implements Product
+{
+    /**
+     * @var int
+     */
+    private $price;
+
+    public function __construct(int $price)
+    {
+        $this->price = $price;
+    }
+
+    public function calculatePrice(): int
+    {
+        return $this->price;
+    }
+}

Creational/AbstractFactory/JsonParser.php

@@ -1,11 +0,0 @@
-<?php
-
-namespace DesignPatterns\Creational\AbstractFactory;
-
-class JsonParser implements Parser
-{
-    public function parse(string $input): array
-    {
-        return json_decode($input, true);
-    }
-}

Creational/AbstractFactory/Parser.php

@@ -1,8 +0,0 @@
-<?php
-
-namespace DesignPatterns\Creational\AbstractFactory;
-
-interface Parser
-{
-    public function parse(string $input): array;
-}

Creational/AbstractFactory/ParserFactory.php

@@ -1,16 +0,0 @@
-<?php
-
-namespace DesignPatterns\Creational\AbstractFactory;
-
-class ParserFactory
-{
-    public function createCsvParser(bool $skipHeaderLine): CsvParser
-    {
-        return new CsvParser($skipHeaderLine);
-    }
-
-    public function createJsonParser(): JsonParser
-    {
-        return new JsonParser();
-    }
-}

Creational/AbstractFactory/Product.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace DesignPatterns\Creational\AbstractFactory;
+
+interface Product
+{
+    public function calculatePrice(): int;
+}

Creational/AbstractFactory/ProductFactory.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace DesignPatterns\Creational\AbstractFactory;
+
+class ProductFactory
+{
+    const SHIPPING_COSTS = 50;
+
+    public function createShippableProduct(int $price): Product
+    {
+        return new ShippableProduct($price, self::SHIPPING_COSTS);
+    }
+
+    public function createDigitalProduct(int $price): Product
+    {
+        return new DigitalProduct($price);
+    }
+}

Creational/AbstractFactory/README.rst

@@ -21,27 +21,27 @@ Code
 
 You can also find this code on `GitHub`_
 
-Parser.php
+Product.php
 
-.. literalinclude:: Parser.php
+.. literalinclude:: Product.php
    :language: php
    :linenos:
 
-CsvParser.php
+ShippableProduct.php
 
-.. literalinclude:: CsvParser.php
+.. literalinclude:: ShippableProduct.php
    :language: php
    :linenos:
 
-JsonParser.php
+DigitalProduct.php
 
-.. literalinclude:: JsonParser.php
+.. literalinclude:: DigitalProduct.php
    :language: php
    :linenos:
 
-ParserFactory.php
+ProductFactory.php
 
-.. literalinclude:: ParserFactory.php
+.. literalinclude:: ProductFactory.php
    :language: php
    :linenos:
 

Creational/AbstractFactory/ShippableProduct.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace DesignPatterns\Creational\AbstractFactory;
+
+class ShippableProduct implements Product
+{
+    /**
+     * @var float
+     */
+    private $productPrice;
+
+    /**
+     * @var float
+     */
+    private $shippingCosts;
+
+    public function __construct(int $productPrice, int $shippingCosts)
+    {
+        $this->productPrice = $productPrice;
+        $this->shippingCosts = $shippingCosts;
+    }
+
+    public function calculatePrice(): int
+    {
+        return $this->productPrice + $this->shippingCosts;
+    }
+}

Creational/AbstractFactory/Tests/AbstractFactoryTest.php

@@ -2,59 +2,42 @@
 
 namespace DesignPatterns\Creational\AbstractFactory\Tests;
 
-use DesignPatterns\Creational\AbstractFactory\CsvParser;
-use DesignPatterns\Creational\AbstractFactory\JsonParser;
-use DesignPatterns\Creational\AbstractFactory\ParserFactory;
+use DesignPatterns\Creational\AbstractFactory\DigitalProduct;
+use DesignPatterns\Creational\AbstractFactory\ProductFactory;
+use DesignPatterns\Creational\AbstractFactory\ShippableProduct;
 use PHPUnit\Framework\TestCase;
 
 class AbstractFactoryTest extends TestCase
 {
-    public function testCanCreateCsvParser()
+    public function testCanCreateDigitalProduct()
     {
-        $factory = new ParserFactory();
-        $parser = $factory->createCsvParser(CsvParser::OPTION_CONTAINS_HEADER);
+        $factory = new ProductFactory();
+        $product = $factory->createDigitalProduct(150);
 
-        $this->assertInstanceOf(CsvParser::class, $parser);
+        $this->assertInstanceOf(DigitalProduct::class, $product);
     }
 
-    public function testCsvParserCanParse()
+    public function testCanCreateShippableProduct()
     {
-        $factory = new ParserFactory();
-        $parser = $factory->createCsvParser(CsvParser::OPTION_CONTAINS_NO_HEADER);
+        $factory = new ProductFactory();
+        $product = $factory->createShippableProduct(150);
 
-        $result = $parser->parse("A0,A1,A2" . PHP_EOL . "B0,B1,B2" . PHP_EOL . "C0,C1,C2");
-
-        $this->assertEquals(
-            [
-                ['A0', 'A1', 'A2'],
-                ['B0', 'B1', 'B2'],
-                ['C0', 'C1', 'C2']
-            ],
-            $result
-        );
+        $this->assertInstanceOf(ShippableProduct::class, $product);
     }
 
-    public function testCsvParserCanSkipHeader()
+    public function testCanCalculatePriceForDigitalProduct()
     {
-        $factory = new ParserFactory();
-        $parser = $factory->createCsvParser(CsvParser::OPTION_CONTAINS_HEADER);
+        $factory = new ProductFactory();
+        $product = $factory->createDigitalProduct(150);
 
-        $result = $parser->parse("A0,A1,A2" . PHP_EOL . "B0,B1,B2" . PHP_EOL . "C0,C1,C2");
-
-        $this->assertEquals(
-            [
-                ['B0', 'B1', 'B2'],
-                ['C0', 'C1', 'C2']
-            ],
-            $result
-        );
+        $this->assertEquals(150, $product->calculatePrice());
     }
 
-    public function testCanCreateJsonParser()
+    public function testCanCalculatePriceForShippableProduct()
     {
-        $factory = new ParserFactory();
-        $parser = $factory->createJsonParser();
+        $factory = new ProductFactory();
+        $product = $factory->createShippableProduct(150);
 
-        $this->assertInstanceOf(JsonParser::class, $parser);
+        $this->assertEquals(200, $product->calculatePrice());
     }
 }

Creational/AbstractFactory/uml/AbstractFactory.uml

@@ -1,29 +1,29 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Diagram>
   <ID>PHP</ID>
-  <OriginalElement>\DesignPatterns\Creational\AbstractFactory\CsvParser</OriginalElement>
+  <OriginalElement>\DesignPatterns\Creational\AbstractFactory\DigitalProduct</OriginalElement>
   <nodes>
-    <node x="116.5" y="0.0">\DesignPatterns\Creational\AbstractFactory\Parser</node>
-    <node x="0.0" y="288.0">\DesignPatterns\Creational\AbstractFactory\ParserFactory</node>
-    <node x="0.0" y="146.5">\DesignPatterns\Creational\AbstractFactory\JsonParser</node>
-    <node x="168.0" y="101.0">\DesignPatterns\Creational\AbstractFactory\CsvParser</node>
+    <node x="0.0" y="112.0">\DesignPatterns\Creational\AbstractFactory\DigitalProduct</node>
+    <node x="0.0" y="265.0">\DesignPatterns\Creational\AbstractFactory\ProductFactory</node>
+    <node x="204.0" y="101.0">\DesignPatterns\Creational\AbstractFactory\ShippableProduct</node>
+    <node x="147.5" y="0.0">\DesignPatterns\Creational\AbstractFactory\Product</node>
   </nodes>
   <notes />
   <edges>
-    <edge source="\DesignPatterns\Creational\AbstractFactory\CsvParser" target="\DesignPatterns\Creational\AbstractFactory\Parser">
-      <point x="0.0" y="-71.0" />
-      <point x="307.0" y="76.0" />
-      <point x="227.5" y="76.0" />
-      <point x="37.0" y="25.5" />
+    <edge source="\DesignPatterns\Creational\AbstractFactory\ShippableProduct" target="\DesignPatterns\Creational\AbstractFactory\Product">
+      <point x="0.0" y="-59.5" />
+      <point x="369.0" y="76.0" />
+      <point x="272.0" y="76.0" />
+      <point x="41.5" y="25.5" />
     </edge>
-    <edge source="\DesignPatterns\Creational\AbstractFactory\JsonParser" target="\DesignPatterns\Creational\AbstractFactory\Parser">
-      <point x="0.0" y="-25.5" />
-      <point x="74.0" y="76.0" />
-      <point x="153.5" y="76.0" />
-      <point x="-37.0" y="25.5" />
+    <edge source="\DesignPatterns\Creational\AbstractFactory\DigitalProduct" target="\DesignPatterns\Creational\AbstractFactory\Product">
+      <point x="0.0" y="-48.5" />
+      <point x="92.0" y="76.0" />
+      <point x="189.0" y="76.0" />
+      <point x="-41.5" y="25.5" />
     </edge>
   </edges>
-  <settings layout="Hierarchic Group" zoom="1.0" x="107.5" y="91.0" />
+  <settings layout="Hierarchic Group" zoom="1.0" x="140.0" y="91.0" />
   <SelectedNodes />
   <Categories>
     <Category>Fields</Category>