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# app.py
# 首先匯入 config，以設定環境變數
import config
from flask import Flask, request, abort, send_from_directory
from linebot.v3 import WebhookHandler
from linebot.v3.exceptions import InvalidSignatureError
from linebot.v3.messaging import (
Configuration, ApiClient, MessagingApi,
ReplyMessageRequest
)
from linebot.v3.webhooks import MessageEvent, TextMessageContent
# 匯入指令處理器
from command_handler import process_message
# ------------------------------------------------------------------------------
# Flask & LINE Bot 設定
# ------------------------------------------------------------------------------
app = Flask(__name__)
line_config = Configuration(access_token=config.CHANNEL_ACCESS_TOKEN)
handler = WebhookHandler(config.CHANNEL_SECRET)
# ------------------------------------------------------------------------------
# Web 伺服器路由
# ------------------------------------------------------------------------------
@app.route("/", methods=["GET"])
def home():
"""[修改] 渲染一個簡潔的機器人狀態首頁。"""
return """
<!doctype html>
<html lang="zh-Hant">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>LINE Bot Server Status</title>
<style>
body {
background-color: #0f1115;
color: #e6e8ef;
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
margin: 0;
text-align: center;
}
.container {
padding: 2rem;
}
h1 {
font-size: 2.2rem;
margin-bottom: 1rem;
color: #ffffff;
}
.status-ok {
color: #22c55e; /* Green */
}
p {
font-size: 1.1rem;
color: #9aa4b2;
line-height: 1.6;
max-width: 600px;
}
.active {
font-weight: bold;
color: #22c55e; /* Green */
}
</style>
</head>
<body>
<div class="container">
<h1><span class="status-ok">✓</span> LINE Bot Server is Running</h1>
<p>This is the backend service for the Earthquake Alert Bot.</p>
<p>The service is <span class="active">active</span> and listening for webhook events from LINE.</p>
</div>
</body>
</html>
"""
@app.route("/healthz")
def healthz():
"""健康檢查端點。"""
return "ok"
@app.route("/static/<path:filename>")
def serve_static(filename):
"""提供靜態檔案（例如，生成的地圖）。"""
return send_from_directory(config.STATIC_DIR, filename)
# ------------------------------------------------------------------------------
# LINE Webhook 處理器
# ------------------------------------------------------------------------------
@app.route("/callback", methods=["POST"])
def callback():
"""處理來自 LINE 平台的傳入 Webhooks。"""
signature = request.headers.get("X-Line-Signature")
body = request.get_data(as_text=True)
try:
handler.handle(body, signature)
except InvalidSignatureError:
abort(400)
return "OK"
@handler.add(MessageEvent, message=TextMessageContent)
def handle_message(event):
"""
處理來自使用者的文字訊息並回覆。
所有邏輯都委派給 command_handler。
"""
base_url = request.url_root.rstrip("/")
reply_messages = process_message(event.message.text, base_url)
with ApiClient(line_config) as api_client:
line_bot_api = MessagingApi(api_client)
line_bot_api.reply_message_with_http_info(
ReplyMessageRequest(
reply_token=event.reply_token,
messages=reply_messages
)
)
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