Update main.py

main.py

@@ -65,6 +65,18 @@ async def webhook(
 
 #設定open AI API 金鑰
 OPENAI_API_KEY = os.environ.get("OPENAI_API_KEY") 
+# 使用字典模擬用戶訊息歷史存儲
+user_message_history = defaultdict(list)
+
+def store_user_message(user_id, message_type, message_content):
+    """
+    儲存用戶的訊息
+    """
+    user_message_history[user_id].append({
+        "type": message_type,
+        "content": message_content
+    })
+    
 def get_image_url(message_id):
     """
     從 LINE API 獲取圖片數據並保存為本地文件
@@ -124,17 +136,8 @@ def analyze_with_openai(image_path, user_text):
         # 提取回應內容
         return response["choices"][0]["message"]["content"]
     
-# 使用字典模擬用戶訊息歷史存儲
-user_message_history = defaultdict(list)
 
-def store_user_message(user_id, message_type, message_content):
-    """
-    儲存用戶的訊息
-    """
-    user_message_history[user_id].append({
-        "type": message_type,
-        "content": message_content
-    })
+
 
 def get_previous_message(user_id):
     """