line_chatbot_reply.py

import json

from flask import Flask, request, abort

from linebot import (
    LineBotApi, WebhookHandler
)
from linebot.exceptions import (
    InvalidSignatureError
)
from linebot.models import (
    MessageEvent, PostbackEvent, 
    TextSendMessage, TemplateSendMessage,
    TextMessage, ButtonsTemplate,
    PostbackTemplateAction, MessageTemplateAction,
    URITemplateAction, 
)

app = Flask(__name__)


line_bot_api = LineBotApi('YOUR_CHANNEL_ACCESS_TOKEN')
handler = WebhookHandler('YOUR_CHANNEL_SECRET')


@app.route("/callback", methods=['POST'])
def callback():
    # 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:
        handler.handle(body, signature)
    except InvalidSignatureError:
        abort(400)

    return 'OK'


@handler.add(PostbackEvent)
def handle_post_message(event):
# can not get event text
    print("event =", event)
    line_bot_api.reply_message(
                event.reply_token,
                TextMessage(
                    text=str(str(event.postback.data)),
                )
            )


@handler.add(MessageEvent, message=TextMessage)
def handle_message(event):
    print("event =", event)
    if event.message.text == "查詢個人檔案":
        user_id = event.source.user_id
        profile = line_bot_api.get_profile(user_id, timeout=None)
        line_bot_api.reply_message(
                    event.reply_token,
                    TextMessage(
                        text=str(profile),
                    )
                )

    else:
        button_template_message =ButtonsTemplate(
                                thumbnail_image_url="https://i.imgur.com/eTldj2E.png?1",
                                title='Menu', 
                                text='Please select',
                                image_size="cover",
                                actions=[
    #                                PostbackTemplateAction 點擊選項後，
    #                                 除了文字會顯示在聊天室中，
    #                                 還回傳data中的資料，可
    #                                 此類透過 Postback event 處理。
                                    PostbackTemplateAction(
                                        label='查詢個人檔案顯示文字-Postback', 
                                        text='查詢個人檔案',
                                        data='action=buy&itemid=1'
                                    ),
                                    PostbackTemplateAction(
                                        label='不顯示文字-Postback', 
                                        text = None,
                                        data='action=buy&itemid=1'
                                    ),
                                    MessageTemplateAction(
                                        label='查詢個人檔案-Message', text='查詢個人檔案'
                                    ),
                                ]
                            )
                            
        line_bot_api.reply_message(
            event.reply_token,
            TemplateSendMessage(
                alt_text="Template Example",
                template=button_template_message
            )
        )



@app.route('/')
def homepage():
    return 'Hello, World!'

if __name__ == "__main__":
    app.run()