Merge pull request #247 from statikbe/issue-239

#239: hide cookiebanner for search engines

composer.json

@@ -16,6 +16,7 @@
     "craftcms/postmark": "3.0.0",
     "hybridinteractive/craft-position-fieldtype": "4.0.0",
     "hybridinteractive/craft-width-fieldtype": "^4.0",
+    "jaybizzle/crawler-detect": "^1.2",
     "mikehaertl/php-shellcommand": "^1.6",
     "mmikkel/cp-field-inspect": "1.4.4",
     "nystudio107/craft-imageoptimize": "4.0.5",

modules/statik/src/web/twig/StatikExtension.php

@@ -2,14 +2,15 @@
 
 namespace modules\statik\web\twig;
 
+use Jaybizzle\CrawlerDetect\CrawlerDetect;
 use Twig\Extension\AbstractExtension;
+use Twig\Extension\GlobalsInterface;
 use Twig\TwigFilter;
 use Twig\TwigFunction;
-use Twig\TwigTest;
 use craft\elements\Entry;
 use craft\helpers\ElementHelper;
 
-class StatikExtension extends AbstractExtension
+class StatikExtension extends AbstractExtension implements GlobalsInterface
 {
     private const SECTIONS_NO_INDEX_NO_FOLLOW = [
         'searchResults',
@@ -25,18 +26,17 @@ class StatikExtension extends AbstractExtension
         'setPasswordConfirmation',
     ];
 
+    private CrawlerDetect $crawlerDetect;
 
-    public function getFilters(): array
+    public function __construct()
     {
-        return [
-            new TwigFilter('slugify', [$this, 'slugify']),
-        ];
+        $this->crawlerDetect = new CrawlerDetect();
     }
 
-    public function getTests(): array
+    public function getFilters(): array
     {
         return [
-            new TwigTest('isBot', [$this, 'isBot']),
+            new TwigFilter('slugify', [$this, 'slugify']),
         ];
     }
 
@@ -47,19 +47,15 @@ public function getFunctions(): array
         ];
     }
 
-
-    public function isBot(string $userAgent = '/bot|crawl|facebook|google|slurp|spider|mediapartners/i'): bool
+    public function getGlobals(): array
     {
-        if (isset($_SERVER['HTTP_USER_AGENT'])) {
-            return $_SERVER['HTTP_USER_AGENT'] && preg_match($userAgent, $_SERVER['HTTP_USER_AGENT']);
-        }
-        return false;
+        return [
+            'isBot' => $this->crawlerDetect->isCrawler(),
+        ];
     }
 
     /**
-     * Create slugs from titles in contentbuilder for the anchor link
-     * @param $string
-     * @return string
+     * remove all non-alphanumeric characters and replace spaces with dashes
      */
     public function slugify(string $string): string
     {

templates/_site/_layout.twig

@@ -44,11 +44,12 @@
 		{% endif %}
 
 		{# Cookiebanner #}
-		{{ craft.cookieBanner.render({
-            supportIE: true,
-			showCookieBanner: (entry.type is defined and entry.type.handle != 'cookiePolicy')
-        }) }}
-
+		{% if not isBot %}
+			{{ craft.cookieBanner.render({
+			    supportIE: true,
+			    showCookieBanner: (entry.type is defined and entry.type.handle != 'cookiePolicy'),
+			}) }}
+		{% endif %}
 		<div class="flex flex-col min-h-screen page-wrap " id="mainContentBlock">
 
 			<div class="sr-only skip-to-main ie-sr-only">