修改个人键盘多语言兜底策略

src/main/java/com/yolo/keyborad/service/impl/KeyboardCharacterServiceImpl.java

@@ -159,6 +159,9 @@ public class KeyboardCharacterServiceImpl extends ServiceImpl<KeyboardCharacterM
     public List<KeyboardUserCharacterVO> selectListByUserId(String acceptLanguage) {
         long loginId = StpUtil.getLoginIdAsLong();
         String locale = RequestLocaleUtils.resolveLanguage(acceptLanguage);
+        if (!StringUtils.hasText(locale)) {
+            locale = DEFAULT_FALLBACK_LOCALE;
+        }
         return keyboardUserCharacterMapper.selectByUserId(loginId, locale);
     }
 

src/main/resources/mapper/KeyboardUserCharacterMapper.xml

@@ -9,7 +9,7 @@
         SELECT
         kuc.id,
         kuc.character_id,
-        kci.character_name,
+        COALESCE(kci.character_name, kci_en.character_name) AS character_name,
         kuc.emoji
         FROM keyboard_user_character kuc
         JOIN keyboard_user_sort kus
@@ -17,6 +17,9 @@
         LEFT JOIN keyboard_character_i18n kci
         ON kuc.character_id = kci.character_id
         AND kci."locale" = #{locale}
+        LEFT JOIN keyboard_character_i18n kci_en
+        ON kuc.character_id = kci_en.character_id
+        AND kci_en."locale" = 'en'
         WHERE kuc.user_id = #{loginId}
         AND kuc.deleted = FALSE
         ORDER BY array_position(kus.user_characteu_id_sort, kuc.id) NULLS LAST;