Update main.py

main.py

@@ -74,57 +74,6 @@ async def webhook(
         raise HTTPException(status_code=400, detail="Invalid signature")
     return "ok"
     
-#==========================
-# 使用者上傳圖片
-#==========================
-def get_image_url(message_id):
-    try:
-        message_content = line_bot_api.get_message_content(message_id)
-        file_path = f"/tmp/{message_id}.png"
-        with open(file_path, "wb") as f:
-            for chunk in message_content.iter_content():
-                f.write(chunk)
-        return file_path
-    except Exception as e:
-        print(f"Error getting image: {e}")
-        return None
-
-# 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 analyze_with_gemini(image_path, user_text):
-    """
-    分析用戶問題和圖片，並返回 Gemini 的回應
-    """
-    try:
-        # 確保圖片存在
-        if not os.path.exists(image_path):
-            raise FileNotFoundError(f"圖片路徑無效：{image_path}")
-        
-        organ = PIL.Image.open(image_path)
-        response = chat.send_message([user_text, organ])
-        
-        # 提取回應內容
-        return response.text
-
-    except Exception as e:
-        return f"發生錯誤: {e}"
-    
-def get_previous_message(user_id):
-    """
-    獲取用戶的上一則訊息
-    """
-    if user_id in user_message_history and len(user_message_history[user_id]) > 0:
-        # 返回最後一則訊息
-        return user_message_history[user_id][-1]
-    return None
 
 #==========================
 # 主程式(圖片與文字)