ISTWCMS-3591: adding module file and preprocessing function to get out CTA values

uw_ct_embedded_call_to_action.module

+<?php
+
+/**
+ * Implements template_preprocess_block().
+ */
+function uw_ct_embedded_call_to_action_preprocess_block(&$variables) {
+
+  // If we are on the CTA, preprocess the values.
+  if(isset($variables['derivative_plugin_id']) && $variables['derivative_plugin_id'] == 'uw_ebr_cta') {
+
+    // Step through each CTA and get out the values.
+    foreach ($variables['content'][0]['field_uw_cta'] as $key => $cta) {
+
+      // If the key is an integer it is a paragraph and we need
+      // to get out the values from it.
+      if (is_int($key)) {
+
+        // Set a variable with paragraph.
+        $para = $cta['#paragraph'];
+
+        // Get the values of the CTA into an array.
+        $ctas[] = [
+
+          // The link of the CTA.
+          'link' => $para->get('field_uw_cta_link')->getValue() ? $para->get('field_uw_cta_link')->getValue()[0]['uri'] : NULL,
+
+          // The big text of the CTA.
+          'big_text' => $para->get('field_uw_cta_big_text')->getValue() ? $para->get('field_uw_cta_big_text')->getValue()[0]['value'] : NULL,
+
+          // The medium text of the CTA.
+          'medium_text' => $para->get('field_uw_cta_medium_text')->getValue() ? $para->get('field_uw_cta_medium_text')->getValue()[0]['value'] : NULL,
+
+          // The small text of the CTA.
+          'small_text' => $para->get('field_uw_cta_small_text')->getValue()    ? $para->get('field_uw_cta_small_text')->getValue()[0]['value'] : NULL,
+
+          // The theme of the CTA.
+          'theme' => $para->get('field_uw_cta_theme')->getValue()[0]['value'],
+        ];
+      }
+    }
+
+    // If there is CTAS that were processed, unset the content variable
+    // and set the ctas variables.
+    if (isset($ctas)) {
+
+      // Unset content variable.
+      unset($variables['content']);
+
+      // Set the ctas variable.
+      $variables['ctas'] = $ctas;
+    }
+  }
+}