Merge pull request #13 from ololower/rss-version

Version attribute for RSS element added

Author: vitalybaev

src/Feed.php

@@ -36,18 +36,27 @@ class Feed
      */
     private $items = [];
 
+    /**
+     * Rss version attribute
+     *
+     * @var string
+     */
+    private $rssVersion;
+
     /**
      * Feed constructor.
      *
      * @param string $title
      * @param string $link
      * @param string $description
+     * @param string $rssVersion
      */
-    public function __construct($title, $link, $description)
+    public function __construct($title, $link, $description, $rssVersion = "")
     {
         $this->title = $title;
         $this->link = $link;
         $this->description = $description;
+        $this->rssVersion = $rssVersion;
     }
 
     /**
@@ -60,6 +69,15 @@ public function addProduct($product)
         $this->items[] = $product;
     }
 
+    /**
+     * Set
+     * @param $rssVersion
+     */
+    public function setRssVersion($rssVersion)
+    {
+        $this->rssVersion = $rssVersion;
+    }
+
     /**
      * Generate string representation of this feed.
      *
@@ -96,6 +114,6 @@ public function build()
             $xmlStructure['channel'][] = $item->getXmlStructure($namespace);
         }
 
-        return $xmlService->write('rss', $xmlStructure);
+        return $xmlService->write('rss', new RssElement($xmlStructure, $this->rssVersion));
     }
 }

src/RssElement.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace Vitalybaev\GoogleMerchant;
+
+class RssElement implements \Sabre\Xml\XmlSerializable
+{
+
+    private $value;
+
+    /**
+     * Rss version attribute
+     * @var string
+     */
+    private $rssVersion;
+
+    /**
+     * RssElement constructor.
+     *
+     * @param $value
+     * @param string $rssVersion
+     */
+    public function __construct($value, $rssVersion = '')
+    {
+        $this->value = $value;
+        $this->rssVersion = (string)$rssVersion;
+    }
+
+    public function xmlSerialize(\Sabre\Xml\Writer $writer)
+    {
+        if ($this->rssVersion) {
+            $writer->writeAttribute('version', $this->rssVersion);
+        }
+
+        $writer->write($this->value);
+    }
+}

tests/feed/ProductTest.php

@@ -134,6 +134,95 @@ public function testProductShipping()
   </item>
  </channel>
 </rss>
+';
+
+        $this->assertEquals($expectedFeedXml, $feedXml);
+    }
+
+    /**
+     * Tests setting Id to product.
+     */
+    public function testFeedSetRssVersionFromConstructor()
+    {
+        $shipping = new Shipping();
+        $shipping->setCountry('US');
+        $shipping->setRegion('CA, NSW, 03');
+        $shipping->setPostalCode('94043');
+        $shipping->setLocationId('21137');
+        $shipping->setService('UPS Express');
+        $shipping->setPrice('1300 USD');
+
+        $product = new Product();
+        $product->setShipping($shipping);
+
+        // Create feed object
+        $feed = new Feed("My awesome store", "https://example.com", "My awesome description", "2.0");
+        $feed->addProduct($product);
+
+        $feedXml = $feed->build();
+        $expectedFeedXml = '<?xml version="1.0"?>
+<rss xmlns:g="http://base.google.com/ns/1.0" version="2.0">
+ <channel>
+  <title>My awesome store</title>
+  <link>https://example.com</link>
+  <description>My awesome description</description>
+  <item>
+   <g:shipping>
+    <g:country>US</g:country>
+    <g:region>CA, NSW, 03</g:region>
+    <g:postal_code>94043</g:postal_code>
+    <g:location_id>21137</g:location_id>
+    <g:service>UPS Express</g:service>
+    <g:price>1300 USD</g:price>
+   </g:shipping>
+  </item>
+ </channel>
+</rss>
+';
+
+        $this->assertEquals($expectedFeedXml, $feedXml);
+    }
+
+    /**
+     * Tests setting Id to product.
+     */
+    public function testFeedSetRssVersionViaSetter()
+    {
+        $shipping = new Shipping();
+        $shipping->setCountry('US');
+        $shipping->setRegion('CA, NSW, 03');
+        $shipping->setPostalCode('94043');
+        $shipping->setLocationId('21137');
+        $shipping->setService('UPS Express');
+        $shipping->setPrice('1300 USD');
+
+        $product = new Product();
+        $product->setShipping($shipping);
+
+        // Create feed object
+        $feed = new Feed("My awesome store", "https://example.com", "My awesome description");
+        $feed->setRssVersion("1.0");
+        $feed->addProduct($product);
+
+        $feedXml = $feed->build();
+        $expectedFeedXml = '<?xml version="1.0"?>
+<rss xmlns:g="http://base.google.com/ns/1.0" version="1.0">
+ <channel>
+  <title>My awesome store</title>
+  <link>https://example.com</link>
+  <description>My awesome description</description>
+  <item>
+   <g:shipping>
+    <g:country>US</g:country>
+    <g:region>CA, NSW, 03</g:region>
+    <g:postal_code>94043</g:postal_code>
+    <g:location_id>21137</g:location_id>
+    <g:service>UPS Express</g:service>
+    <g:price>1300 USD</g:price>
+   </g:shipping>
+  </item>
+ </channel>
+</rss>
 ';
 
         $this->assertEquals($expectedFeedXml, $feedXml);