Add images to sitemap generation

Author: Jérôme Poskin

Resources/views/Sitemap/sitemap.xml.twig

@@ -1,17 +1,38 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:image="http://www.google.com/schemas/sitemap-image/1.1">
     {% for url in sitemap.urls %}
-    <url>
-        <loc>{{ url.loc }}</loc>
-        {% if url.lastmod is defined %}
-        <lastmod>{{ url.lastmod|date(constant('DATE_W3C')) }}</lastmod>
-        {% endif %}
-        {% if url.changefreq is defined %}
-        <changefreq>{{ url.changefreq }}</changefreq>
-        {% endif %}
-        {% if url.priority is defined %}
-        <priority>{{ url.priority }}</priority>
-        {% endif %}
-    </url>
+        <url>
+            <loc>{{ url.loc }}</loc>
+            {% if url.lastmod is defined %}
+                <lastmod>{{ url.lastmod|date(constant('DATE_W3C')) }}</lastmod>
+            {% endif %}
+            {% if url.changefreq is defined %}
+                <changefreq>{{ url.changefreq }}</changefreq>
+            {% endif %}
+            {% if url.priority is defined %}
+                <priority>{{ url.priority }}</priority>
+            {% endif %}
+            {% if url.images is defined %}
+                {% for image in url.images %}
+                    <image:image>
+                        {% if image.path is defined %}
+                            <image:loc>{{ image.path }}</image:loc>
+                        {% endif %}
+                        {% if image.path is defined %}
+                            <image:caption>{{ image.caption }}</image:caption>
+                        {% endif %}
+                        {% if image.geo_location is defined %}
+                            <image:geo_location>{{ image.geo_location }}</image:geo_location>
+                        {% endif %}
+                        {% if image.title is defined %}
+                            <image:title>{{ image.title }}</image:title>
+                        {% endif %}
+                        {% if image.licence is defined %}
+                            <image:licence>{{ image.licence }}</image:licence>
+                        {% endif %}
+                    </image:image>
+                {% endfor %}
+            {% endif %}
+        </url>
     {% endfor %}
 </urlset>

Sitemap/AbstractSitemap.php

@@ -30,9 +30,10 @@ abstract class AbstractSitemap
      * @param \DateTime $lastMod
      * @param string $changeFreq
      * @param mixed $priority
+     * @param array $images
      * @return AbstractSitemap
      */
-    protected function addUrl($loc, \DateTime $lastMod = null, $changeFreq = null, $priority = null)
+    protected function addUrl($loc, \DateTime $lastMod = null, $changeFreq = null, $priority = null, $images = array())
     {
         $url = array(
             'loc' => $loc
@@ -48,6 +49,10 @@ protected function addUrl($loc, \DateTime $lastMod = null, $changeFreq = null, $
             $this->validatePriority($priority);
             $url['priority'] = $priority;
         }
+        foreach ($images as $image) {
+            $url['images'][] = $image;
+        }
+
         $this->urls[] = $url;
         return $this;
     }