Store "null" when no language couldn't be detected

diff --git a/src/Model/Item.php b/src/Model/Item.php
index 06838630ac9b477b03334d67fc09088ae28e9a68..c3f38ca6da8a02e01056b59a42d5fe71b60c0d85 100644 (file)
--- a/src/Model/Item.php
+++ b/src/Model/Item.php
@@ -1996,7 +1996,7 @@ class Item
         * @return string detected language
         * @throws \Text_LanguageDetect_Exception
         */
-       private static function getLanguage(array $item): string
+       private static function getLanguage(array $item): ?string
        {
                if (!empty($item['language'])) {
                        return $item['language'];
@@ -2007,13 +2007,15 @@ class Item
                        $transmitted[$language] = 0;
                }
 
-               if (!in_array($item['gravity'], [self::GRAVITY_PARENT, self::GRAVITY_COMMENT]) || empty($item['body'])) {
-                       return empty($transmitted) ? '' : json_encode($transmitted);
+               $content = trim(($item['title'] ?? '') . ' ' . ($item['content-warning'] ?? '') . ' ' . ($item['body'] ?? ''));
+
+               if (!in_array($item['gravity'], [self::GRAVITY_PARENT, self::GRAVITY_COMMENT]) || empty($content)) {
+                       return !empty($transmitted) ? json_encode($transmitted) : null;
                }
 
-               $languages = self::getLanguageArray($item['title'] . ' ' . ($item['content-warning'] ?? '') . ' ' . $item['body'], 3, $item['uri-id'], $item['author-id']);
+               $languages = self::getLanguageArray($content, 3, $item['uri-id'], $item['author-id']);
                if (empty($languages)) {
-                       return empty($transmitted) ? '' : json_encode($transmitted);
+                       return !empty($transmitted) ? json_encode($transmitted) : null;
                }
 
                if (!empty($transmitted)) {