Issue #1: Nested paragraphs fix

replicate_paragraphs.module

@@ -15,19 +15,8 @@ function replicate_paragraphs_replicate_entity_paragraphs_item(&$entity) {
  * Implements hook_replicate_field_FIELD_TYPE().
  */
 function replicate_paragraphs_replicate_field_paragraphs(&$entity, $entity_type, $field_name) {
-  foreach ($entity->$field_name as $language => $values) {
-    replicate_paragraphs_clone_items($entity, $entity_type, $field_name, $language);
-  }
-}
-
-/**
- * Implements hook_help().
- */
-function replicate_paragraphs_help($path, $arg) {
-  switch ($path) {
-    case 'admin/help#replicate_paragraphs_item':
-      // Return a line-break version of the module README.txt.
-      return check_markup(file_get_contents(dirname(__FILE__) . "/README.txt"));
+  foreach ($entity->$field_name as $langcode => $values) {
+    replicate_paragraphs_clone_items($entity, $entity_type, $field_name, $langcode);
   }
 }
 
@@ -40,19 +29,17 @@ function replicate_paragraphs_help($path, $arg) {
  *   Entity type.
  * @param string $field_name
  *   Name of the field.
- * @param string $language
- *   Language of the field.
+ * @param string $langcode
+ *   Language code of the field.
  */
-function replicate_paragraphs_clone_items(&$entity, $entity_type, $field_name, $language = LANGUAGE_NONE) {
+function replicate_paragraphs_clone_items(&$entity, $entity_type, $field_name, $langcode = LANGUAGE_NONE) {
   // Reset the field_language static.
   // If we don't, the language returned by field_language()
-  // is FALSE, resulting in de metadata-wrapper (or field_get_items())
+  // is FALSE, resulting in the metadata-wrapper (or field_get_items())
   // to get a FALSE / an empty array,
   // which means that the fields in it won't be cloned.
   backdrop_static_reset('field_language');
-
-  $entity_wrapper = entity_metadata_wrapper($entity_type, $entity);
-  $old_items = $entity_wrapper->{$field_name}->value();
+  $old_items = $entity->{$field_name}[$langcode];
   if (is_null($old_items)) {
     $old_items = array();
   }
@@ -62,12 +49,14 @@ function replicate_paragraphs_clone_items(&$entity, $entity_type, $field_name, $
 
   // Clean the previous entities from the field, so the new
   // can be saved instead.
-  unset($entity->{$field_name}[$language]);
+  unset($entity->{$field_name}[$langcode]);
 
   foreach ($old_items as $old_item) {
     if (!empty($old_item)) {
-      $new_item = replicate_clone_entity('paragraphs_item', $old_item);
-      $new_item->setHostEntity($entity_type, $entity, $language);
+      $old_paragraph_id = $old_item['value'];
+      $old_entity = entity_load('paragraphs_item', array($old_paragraph_id));
+      $new_item = replicate_clone_entity('paragraphs_item', $old_entity[$old_paragraph_id]);
+      $new_item->setHostEntity($entity_type, $entity, $langcode);
       // Don't save the new paragraphs,
       // it will be saved along with the host entity.
     }