Update main.py

main.py

@@ -18,23 +18,34 @@ def root():
 @app.post("/callback")
 async def callback(
     request: Request,
-    background_tasks: BackgroundTasks,
-    x_line_signature=Header(None),
 ):
-    body = await request.body()
-
+    # get X-Line-Signature header value
+    signature = request.headers['X-Line-Signature']
+    # get request body as text
+    body = request.get_data(as_text=True)
+    app.logger.info("Request body: " + body)
+    # handle webhook body
     try:
-        background_tasks.add_task(
-            handler.handle, body.decode("utf-8"), x_line_signature
-        )
+        line_handler.handle(body, signature)
     except InvalidSignatureError:
-         raise HTTPException(status_code=400, detail="Invalid signature")
- 
-    return "ok"
+        abort(400)
+    return 'OK'
  
-@handler.add(MessageEvent)
+@line_handler.add(MessageEvent, message=TextMessage)
 def handle_message(event):
-    if event.type != "message" or event.message.type != "text":
+    global working_status
+    if event.message.text == "再見":
+        working_status = True
+        line_bot_api.reply_message(
+            event.reply_token,
+            TextSendMessage(text="Bye!"))
         return
-    message = TextMessage(text=event.message.text)
-    line_bot_api.reply_message(event.reply_token, message)
+
+    if working_status:
+
+        out = event.message.text
+        if not out:
+            out = "不懂您的意思!"
+        line_bot_api.reply_message(
+            event.reply_token,
+            TextSendMessage(text=out))