Update main.py

main.py

@@ -1,4 +1,4 @@
-import json, os, pathlib, glob
+import json, os, glob
 from fastapi.middleware.cors import CORSMiddleware
 from fastapi import FastAPI, Request,  Header, BackgroundTasks, HTTPException, status
 from google import genai
@@ -15,7 +15,7 @@ generation_config = genai.types.GenerateContentConfig(max_output_tokens=3000, te
 
 # Retrieve the PDF
 files = glob.glob('docs/*.pdf')
-files_content = [genai.types.Part.from_bytes(data=(pathlib.Path(filepath)).read_bytes(), mime_type='application/pdf') for filepath in files]
+files_content = [client.files.upload(filefilepath) for filepath in files]
 
 # 設定 Line Bot 的 API 金鑰和秘密金鑰
 line_bot_api = LineBotApi(os.environ["CHANNEL_ACCESS_TOKEN"])
@@ -89,8 +89,7 @@ def handle_message(event):
             # 取得使用者輸入的文字
             prompt = event.message.text
             # Combine the PDF contents and the new prompt into a single list for the 'contents' argument
-            combined_contents = [prompt] + files_content
-            # 使用 client.models.generate_content
+            combined_contents = files_content + [prompt]
             completion = client.models.generate_content(
                                 model="gemini-2.5-flash",
                                 contents=combined_contents,