Issue #3269015 by RenatoG: Apply entityPresave with Uppercase or Lowercase according to selecion

block_class.module

@@ -37,9 +37,10 @@ function block_class_help($route_name, RouteMatchInterface $route_match) {
  * Implements hook_ENTITY_TYPE_presave().
  */
 function block_class_block_presave(BlockInterface $entity) {
-  if (empty($entity->getThirdPartySetting('block_class', 'classes'))) {
-    $entity->unsetThirdPartySetting('block_class', 'classes');
-  }
+
+  // Call the helper class to implement the presave logic.
+  \Drupal::service('block_class.helper')->blockClassPreSave($entity);
+
 }
 
 /**
@@ -56,7 +57,7 @@ function block_class_form_block_form_alter(&$form, FormStateInterface $form_stat
  * Implements hook_preprocess_HOOK().
  */
 function block_class_preprocess_block(&$variables) {
-  // return;
+
   // Call the helper class to implement the preprocess block logic.
   \Drupal::service('block_class.helper')->blockClassPreprocessBlock($variables);
 

src/Service/BlockClassHelperService.php

@@ -122,6 +122,45 @@ class BlockClassHelperService {
     $this->entityRepository = $entityRepository;
   }
 
+  /**
+   * Method to do the presave block.
+   */
+  public function blockClassPreSave(&$entity) {
+
+    // If there is no class, unset the Third Party Setting.
+    if (empty($entity->getThirdPartySetting('block_class', 'classes'))) {
+      $entity->unsetThirdPartySetting('block_class', 'classes');
+    }
+
+    // Get the config object.
+    $config = $this->configFactory->getEditable('block_class.settings');
+
+    // Get the default case on settings.
+    $default_case = $config->get('default_case', 'standard');
+
+    // Get the block class.
+    $block_classes = $entity->getThirdPartySetting('block_class', 'classes');
+
+    switch ($default_case) {
+
+      case 'uppercase':
+
+        $block_classes = strtoupper($block_classes);
+
+        break;
+
+      case 'lowercase':
+
+        $block_classes = strtolower($block_classes);
+
+        break;
+
+    }
+
+    $entity->setThirdPartySetting('block_class', 'classes', $block_classes);
+
+  }
+
   /**
    * Method to redirect to Bulk Operations.
    */
@@ -139,6 +178,33 @@ class BlockClassHelperService {
 
   }
 
+  /**
+   * Method to do the preprocess block.
+   */
+  public function blockClassPreprocessBlock(&$variables) {
+
+    // Blocks coming from page manager widget does not have id. If there is no
+    // Block ID, skip that.
+    if (empty($variables['elements']['#id'])) {
+      return;
+    }
+
+    // Load the block by ID.
+    $block = Block::load($variables['elements']['#id']);
+
+    // Verify if the current block has Third Party Settings with classes.
+    if ($block && $classes = $block->getThirdPartySetting('block_class', 'classes')) {
+
+      // Get all classes if exists.
+      $classes_array = explode(' ', $classes);
+
+      // Add all classes.
+      foreach ($classes_array as $class) {
+        $variables['attributes']['class'][] = Html::cleanCssIdentifier($class, []);
+      }
+    }
+  }
+
   /**
    * Method to do a form alter.
    */
@@ -190,31 +256,4 @@ class BlockClassHelperService {
     }
   }
 
-  /**
-   * Method to do the preprocess block.
-   */
-  public function blockClassPreprocessBlock(&$variables) {
-
-    // Blocks coming from page manager widget does not have id. If there is no
-    // Block ID, skip that.
-    if (empty($variables['elements']['#id'])) {
-      return;
-    }
-
-    // Load the block by ID.
-    $block = Block::load($variables['elements']['#id']);
-
-    // Verify if the current block has Third Party Settings with classes.
-    if ($block && $classes = $block->getThirdPartySetting('block_class', 'classes')) {
-
-      // Get all classes if exists.
-      $classes_array = explode(' ', $classes);
-
-      // Add all classes.
-      foreach ($classes_array as $class) {
-        $variables['attributes']['class'][] = Html::cleanCssIdentifier($class, []);
-      }
-    }
-  }
-
 }