4567 - Adding custom gtm js file with basic dataset publisher pull

ckanext/datagovtheme/fanstatic_library/scripts/gtmCustomizations.js

@@ -0,0 +1,47 @@
+// Only execute this code on dataset pages
+if (window.location.pathname.match(/^\/dataset\/.*$/g)) {
+  const getPublisher = () => {
+    const nodeList = document.querySelectorAll(`[property="dct:publisher"]`);
+    if (nodeList.length === 1) {
+      return nodeList[0]?.innerHTML.replaceAll(/<[^>]*>/gi, '').trim();
+    }
+
+    return 'err - multiple or no publisher';
+  };
+
+  const getOrgKeys = () => {
+    const idNodeList = document.querySelectorAll('div[class="org_type"] a');
+    const nameNodeList = document.querySelectorAll('div[class="org_type"] h1[class="heading"]');
+    const keys = {
+      organizationId: 'err - multiple or no organization',
+      organizationName: 'err - multiple or no organization',
+    };
+
+    if (idNodeList.length === 1) {
+      keys.organizationId = idNodeList[0]?.getAttribute('href').split('/organization/').pop();
+    }
+
+    if (nameNodeList.length === 1) {
+      keys.organizationName = nameNodeList[0]?.innerHTML.trim();
+    }
+
+    return keys;
+  };
+
+  window.dataLayer = window.dataLayer || [];
+  const publisherObjIndex = window.dataLayer.findIndex((o) => o.id === 'customDatasetKeys');
+  const publisherObj = {
+    id: 'customDatasetKeys',
+    event: 'new_view',
+    publisher: getPublisher(),
+    ...getOrgKeys(),
+    dataSetName: document.querySelectorAll('h1[itemprop="name"]')[0]?.innerText || null,
+    uri: window.location.pathname,
+  };
+
+  if (publisherObjIndex === -1) {
+    window.dataLayer.push(publisherObj);
+  } else {
+    window.dataLayer[publisherObjIndex] = publisherObj;
+  }
+}

ckanext/datagovtheme/fanstatic_library/webassets.yml

@@ -12,6 +12,7 @@ js:
     - scripts/hideMaxListItem.js
     - scripts/sorting.js
     - scripts/vendor/uswds.js
+    - scripts/gtmCustomizations.js
 
 styles:
   # This name is used in development/debug mode, must match the css file in test_datagovtheme.py