完善获取图片url的方法

models/emoji_db.py

@@ -70,7 +70,7 @@ def check_emoji(uuid: str, connection = connect_db()) -> bool:
         logger.error(f"检查UUID失败: {uuid}, 错误: {e}")
         return False
 
-def get_emoji_content(uuid: str, content_index: str = 'url', connection = connect_db()) -> str | None:
+def get_emoji_content(uuid: str, content_index: str, connection = connect_db()) -> str | None:
     """
      获取图片信息，检查图片在 approved 库中检索 approved 是否为 1，为 1 则返回获取到的索引内容
 
@@ -105,6 +105,22 @@ def get_emoji_content(uuid: str, content_index: str = 'url', connection = connec
         logger.error(f"获取失败: {uuid}, 错误: {e}")
         return None
 
+def get_emoji_url(uuid: str) -> str:
+    """
+         获取图片的 url
+
+        Args:
+            uuid: emoji 的UUID
+
+        Returns:
+            content: 获取到的图片的 url
+        """
+    url = get_emoji_content(uuid, 'url')
+    if url is not None:
+        return url
+    return ''
+
 if __name__ == "__main__":
-    record = check_emoji("ffe1663c-44e1-4719-a5ba-01485f70a87e")
+    test_uuid = "c3151774-2c4c-48f6-a3ac-b8802cf95498"
-    print(record)
+    print(check_emoji(test_uuid))
+    print(get_emoji_url(test_uuid))