Add google consent, DEV-406

Model/Config.php

@@ -13,6 +13,7 @@
     public const XML_PATH_COOKIEBOT_ID = 'web/cookiebot/id';
     public const XML_PATH_DATA_CULTURE = 'web/cookiebot/data_culture';
     public const XML_PATH_USE_EU_CDN = 'web/cookiebot/use_eu_cdn';
+    public const XML_PATH_USE_GOOGLE_CONSENT_MODE = 'web/cookiebot/use_google_consent_mode';
 
     /**
      * @var ScopeConfigInterface
@@ -24,23 +25,28 @@
         $this->scopeConfig = $scopeConfig;
     }
 
     public function isEnabled(): bool
     {
         return $this->scopeConfig->isSetFlag(self::XML_PATH_COOKIEBOT_ENABLED, ScopeInterface::SCOPE_STORE);
     }
 
     public function getId(): string
     {
         return (string)$this->scopeConfig->getValue(self::XML_PATH_COOKIEBOT_ID, ScopeInterface::SCOPE_STORE);
     }
 
     public function getDataCulture(): string
     {
         return (string)$this->scopeConfig->getValue(self::XML_PATH_DATA_CULTURE, ScopeInterface::SCOPE_STORE);
     }
 
     public function useEuCdn(): bool
     {
         return $this->scopeConfig->isSetFlag(self::XML_PATH_USE_EU_CDN, ScopeInterface::SCOPE_STORE);
     }
+
+    public function isGoogleConsentModeEnabled(): bool
+    {
+        return $this->scopeConfig->isSetFlag(self::XML_PATH_USE_GOOGLE_CONSENT_MODE, ScopeInterface::SCOPE_STORE);
+    }
 }

Test/Integration/AddScriptTest.php

@@ -30,6 +30,16 @@ public function testScriptAddedOnHomepage(): void
         self::assertStringContainsString($this->script, $this->getResponse()->getBody());
     }
 
+    /**
+     * @magentoConfigFixture current_store web/cookiebot/use_google_consent_mode 1
+     * @magentoConfigFixture current_store web/cookiebot/id 123-456-789
+     */
+    public function testGoogleConsentScriptAddedOnHomepage(): void
+    {
+        $this->dispatch('/');
+        self::assertStringContainsString('gtag("set", "ads_data_redaction", true);', $this->getResponse()->getBody());
+    }
+
     /**
      * @magentoDataFixture   Magento/Catalog/_files/product_simple.php
      * @magentoConfigFixture current_store web/cookiebot/enabled 1

ViewModel/Script.php

@@ -34,4 +34,9 @@ public function getScript(): string
 
         return $this->scriptGenerator->generate();
     }
+
+    public function isGoogleConsentModeEnabled(): bool
+    {
+        return $this->config->isGoogleConsentModeEnabled();
+    }
 }

etc/adminhtml/system.xml

@@ -25,6 +25,10 @@
                     <label>Use European CDN</label>
                     <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
                 </field>
+                <field id="use_google_consent_mode" translate="label" type="select" sortOrder="50" showInDefault="1" showInWebsite="1" showInStore="1">
+                    <label>Google Consent Mode</label>
+                    <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
+                </field>
             </group>
         </section>
     </system>

etc/config.xml

@@ -8,6 +8,7 @@
                 <id/>
                 <data_culture/>
                 <use_eu_cdn>0</use_eu_cdn>
+                <use_google_consent_mode>1</use_google_consent_mode>
             </cookiebot>
         </web>
     </default>

view/frontend/templates/script.phtml

@@ -2,3 +2,28 @@
 <?php /** @var CustomGento\Cookiebot\ViewModel\Script $viewModel */ ?>
 <?php $viewModel = $block->getData('view_model') ?>
 <?= /* @noEscape */ $viewModel->getScript() ?>
+
+<?php
+if ($viewModel->isGoogleConsentModeEnabled()):
+    ?>
+    <script data-cookieconsent="ignore">
+        window.dataLayer = window.dataLayer || [];
+
+        function gtag() {
+            dataLayer.push(arguments);
+        }
+
+        gtag("consent", "default", {
+            ad_personalization: "denied",
+            ad_storage: "denied",
+            ad_user_data: "denied",
+            analytics_storage: "denied",
+            functionality_storage: "denied",
+            personalization_storage: "denied",
+            security_storage: "granted",
+            wait_for_update: 500,
+        });
+        gtag("set", "ads_data_redaction", true);
+        gtag("set", "url_passthrough", true);
+    </script>
+<?php endif; ?>