ISTWCMS-5846: adding fake required for blank summaries and drupal validation for the summary

uw_cfg_common.module

@@ -38,6 +38,48 @@ function uw_cfg_common_preprocess_form_element(&$variables) {
   }
 }
 
+/**
+ * Implements template_preprocess_form_element_label().
+ */
+function uw_cfg_common_preprocess_form_element_label(&$variables) {
+
+  // Check if we need to add the form required to the label.
+  // Conditions are not the blank summary checkbox,
+  // the id of the label contains edit-field-uw and has
+  // either summary or position in the id.
+  if (
+    $variables['element']['#id'] !== 'edit-field-uw-blank-summary-value' &&
+    str_contains($variables['element']['#id'], 'edit-field-uw-') &&
+    (
+      str_contains($variables['element']['#id'], 'summary') ||
+      str_contains($variables['element']['#id'], 'position')
+    )
+  ) {
+
+    // Try and get the node type, by replacing the id of the label.
+    $node_type = $variables['element']['#id'];
+    $node_type = str_replace('edit-field-uw-', '', $node_type);
+    $node_type = str_replace('-summary-0-value', '', $node_type);
+    $node_type = str_replace('-position-0-value', '', $node_type);
+
+    // The node types to place the form required on the label.
+    $blank_summary_node_types = [
+      'blog',
+      'event',
+      'news',
+      'opportunity',
+      'profile',
+      'project',
+    ];
+
+    // If we are on a node that needs a form required
+    // on the label add the class.
+    if (in_array($node_type, $blank_summary_node_types)) {
+      $variables['attributes']['class'][] = 'form-required';
+    }
+  }
+}
+
 /**
  * Implements hook_sendgrid_integration_categories_alter().
  *
@@ -955,13 +997,13 @@ function uw_cfg_common_form_alter(array &$form, FormStateInterface $form_state,
 
       // Set the states of the summary, required and visible.
       $form[$field_name]['widget'][0]['#states'] = [
-        'required' => [
-          ':input[name="field_uw_blank_summary[value]"]' => ['checked' => FALSE],
-        ],
         'visible' => [
           ':input[name="field_uw_blank_summary[value]"]' => ['checked' => FALSE],
         ],
       ];
+
+      // Add custom validation for blank summaries.
+      $form['#validate'][] = '_uw_cfg_common_blank_summaries_validation';
     }
   }
 
@@ -1163,6 +1205,38 @@ function _uw_cfg_common_alias_validate(array &$form, FormStateInterface $form_st
   }
 }
 
+/**
+ * Validates submission values for banners on nodes.
+ */
+function _uw_cfg_common_blank_summaries_validation(array &$form, FormStateInterface $form_state) {
+
+  // Get the values from the form state.
+  $values = $form_state->getValues();
+
+  // Get the node type.
+  $node_type = str_replace('node_uw_ct_', '', $form['#form_id']);
+  $node_type = str_replace('_edit', '', $node_type);
+  $node_type = str_replace('_form', '', $node_type);
+  $node_type = str_replace('_item', '', $node_type);
+
+  // If the node type is an opportunity, we have to give
+  // the specific field name, if not just use the field name.
+  if ($node_type == 'opportunity') {
+    $field_name = 'field_uw_opportunity_position';
+  }
+  else {
+    $field_name = 'field_uw_' . $node_type . '_summary';
+  }
+
+  // If the blank summary is checked and the summary is null,
+  // then set an error.
+  if (!$values['field_uw_blank_summary']['value']) {
+    if ($values[$field_name][0]['value'] == '') {
+      $form_state->setError($form[$field_name]['widget'][0], t('Summary/position field is required.'));
+    }
+  }
+}
+
 /**
  * Validates submission values for banners on nodes.
  */