adjust view_item_list

add categories to ecommerce-DataLayer

Application/views/ga4/view_item_list.tpl

@@ -1,5 +1,6 @@
 [{$smarty.block.parent}]
 [{assign var="gtmProducts" value=$oView->getArticleList()}]
+[{assign var="gtmCategory" value=$oView->getActiveCategory()}]
 
 [{assign var="breadCrumb" value=''}]
 
@@ -8,12 +9,19 @@
     <script>
         /* ga4 */
         dataLayer.push({ecommerce: null});
+
+        let itemCategories = '[{if $gtmCategory}][{$gtmCategory->getLink()|parse_url:5|ltrim:"/"|rtrim:"/"}][{else}]no category[{/if}]'.split('/');
+
         dataLayer.push({
             'event':'view_item_list',
             'event_name': 'view_item_list',
             'ecommerce': {
-              'item_list_id': '[{$oView->getCategoryId()}]',
-              'item_list_name': '[{foreach from=$oView->getBreadCrumb() item=sCrum}][{if $sCrum.title }][{$breadCrumb|cat:$sCrum.title|cat:" > "}][{/if}][{/foreach}]',
+                'item_category':  itemCategories[0] || 'no category',
+                'item_category_2':itemCategories[1] || '',
+                'item_category_3':itemCategories[2] || '',
+                'item_category_4':itemCategories[3] || '',
+                'item_list_id': '[{$oView->getCategoryId()}]',
+                'item_list_name': '[{foreach from=$oView->getBreadCrumb() item=sCrum}][{if $sCrum.title }][{$breadCrumb|cat:$sCrum.title|cat:" > "}][{/if}][{/foreach}]',
                 'items': [
                     [{foreach from=$gtmProducts name="gtmProducts" item="gtmProduct"}]
                     [{assign var="d3PriceObject" value=$gtmProduct->getPrice()}]