function ContentEntityBase::hasTranslationChanges

File

core/lib/Drupal/Core/Entity/ContentEntityBase.php, line 1402

Class

ContentEntityBase

Implements Entity Field API specific enhancements to the Entity class.

Namespace

Code

public function hasTranslationChanges() {
    if ($this->isNew()) {
        return TRUE;
    }
    // $this->original only exists during save. See
    // \Drupal\Core\Entity\EntityStorageBase::save(). If it exists we re-use it
    // here for performance reasons.
    
    /** @var \Drupal\Core\Entity\ContentEntityBase $original */
    $original = $this->original ? $this->original : NULL;
    if (!$original) {
        $id = $this->getOriginalId() !== NULL ? $this->getOriginalId() : $this->id();
        $original = $this->entityTypeManager()
            ->getStorage($this->getEntityTypeId())
            ->loadUnchanged($id);
    }
    // If the current translation has just been added, we have a change.
    $translated = count($this->translations) > 1;
    if ($translated && !$original->hasTranslation($this->activeLangcode)) {
        return TRUE;
    }
    // Compare field item current values with the original ones to determine
    // whether we have changes. If a field is not translatable and the entity is
    // translated we skip it because, depending on the use case, it would make
    // sense to mark all translations as changed or none of them. We skip also
    // computed fields as comparing them with their original values might not be
    // possible or be meaningless.
    
    /** @var \Drupal\Core\Entity\ContentEntityBase $translation */
    $translation = $original->getTranslation($this->activeLangcode);
    $langcode = $this->language()
        ->getId();
    // The list of fields to skip from the comparision.
    $skip_fields = $this->getFieldsToSkipFromTranslationChangesCheck();
    // We also check untranslatable fields, so that a change to those will mark
    // all translations as affected, unless they are configured to only affect
    // the default translation.
    $skip_untranslatable_fields = !$this->isDefaultTranslation() && $this->isDefaultTranslationAffectedOnly();
    foreach ($this->getFieldDefinitions() as $field_name => $definition) {
        // @todo Avoid special-casing the following fields. See
        //    https://www.drupal.org/node/2329253.
        if (in_array($field_name, $skip_fields, TRUE) || $skip_untranslatable_fields && !$definition->isTranslatable()) {
            continue;
        }
        $items = $this->get($field_name)
            ->filterEmptyItems();
        $original_items = $translation->get($field_name)
            ->filterEmptyItems();
        if ($items->hasAffectingChanges($original_items, $langcode)) {
            return TRUE;
        }
    }
    return FALSE;
}