Merge pull request #1 from andersundsehr/external_sitemaps

Classes/Middleware/RootSitemapMiddleware.php

@@ -63,13 +63,32 @@ private function getSitemapsPerLanguage(Site $site): array
             $uri = $this->uriBuilder
                 ->setTargetPageUid($site->getRootPageId())
                 ->setCreateAbsoluteUri(true)
-                ->setArguments([
-                    'type' => '1533906435',
-                ])
+                ->setArguments(['type' => '1533906435'])
                 ->setLanguage((string)$language->getLanguageId())
                 ->buildFrontendUri();
 
-            $urls[] = new Uri($uri);
+            if ($uri) {
+                $urls[] = new Uri($uri);
+            }
+        }
+
+        $externalSitemaps = $site->getConfiguration()['external_sitemaps'];
+        $base = $site->getBase();
+        foreach (GeneralUtility::trimExplode("\n", $externalSitemaps, true) as $externalSitemap) {
+            $uri = new Uri($externalSitemap);
+            if (!$uri->getScheme()) {
+                $uri = $uri->withScheme($base->getScheme());
+            }
+
+            if (!$uri->getHost()) {
+                $uri = $uri->withHost($base->getHost());
+            }
+
+            if (!$uri->getPort()) {
+                $uri = $uri->withPort($base->getPort());
+            }
+
+            $urls[] = $uri;
         }
 
         return $urls;

Configuration/SiteConfiguration/Overrides/sites.php

@@ -0,0 +1,20 @@
+<?php
+
+// Experimental example to add a new field to the site configuration
+
+// Configure a new simple required input field to site
+$GLOBALS['SiteConfiguration']['site']['columns']['external_sitemaps'] = [
+    'label' => 'Additional Sitemaps',
+    'description' => 'add one external Sitemap per line (starting with /.. or with full https://domain...',
+    'config' => [
+        'type' => 'text',
+    ],
+];
+
+
+// And add it to showitem
+$GLOBALS['SiteConfiguration']['site']['types']['0']['showitem'] = str_replace(
+    'base,',
+    'base, external_sitemaps, ',
+    (string) $GLOBALS['SiteConfiguration']['site']['types']['0']['showitem']
+);

README.md

@@ -13,6 +13,11 @@ This sitemap includes all active language sitemaps like: `/en/?type=1533906435`
 
 You do not need to configure anything.
 
+## Additional sitemaps form e.g. other systems:
+
+if you want to add additional sitemaps from e.g. external Systems like a Shop system:  
+you can add them in the Sites Configuration:
+![Screenshot of sites configuration addition](./Documentation/external_sitemaps.png)
 
 ### I want nicer URLS: