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Create news_service.py
Browse files- news_service.py +75 -0
news_service.py
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# news_service.py
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import requests
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import json
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from datetime import datetime
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# 從 config.py 匯入 API URL
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from config import PTS_NEWS_API
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def fetch_today_news() -> str:
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"""
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從公視新聞網 API 擷取今日新聞並格式化為易於閱讀的文字訊息。
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"""
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try:
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# 發送 API 請求
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response = requests.get(PTS_NEWS_API, timeout=20)
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response.raise_for_status() # 確保請求成功
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# 解析 JSON 回應
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data = response.json()
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source = data.get("source", "未知來源")
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last_updated_raw = data.get("last_updated")
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# 格式化資料更新時間
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if last_updated_raw:
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try:
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# 處理可能包含時區資訊的 ISO 格式時間
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last_updated_dt = datetime.fromisoformat(last_updated_raw.replace("Z", "+00:00"))
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last_updated_str = last_updated_dt.strftime('%Y-%m-%d %H:%M')
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except (ValueError, TypeError):
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last_updated_str = str(last_updated_raw)
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else:
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last_updated_str = "未知"
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# 建立訊息標頭
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lines = [
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f"📰 今日新聞摘要 ({source})",
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f" (資料更新: {last_updated_str})",
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"─" * 25
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]
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articles = data.get("articles", [])
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if not articles:
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lines.append("\nℹ️ 目前沒有可顯示的新聞。")
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return "\n".join(lines)
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# 逐條解析並格式化新聞
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for i, article in enumerate(articles[:10]): # 最多顯示 10 則新聞
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title = article.get("title", "無標題").strip()
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link = article.get("link", "#")
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summary = article.get("summary", "無摘要。").strip()
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# 組合單條新聞訊息
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article_lines = [
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f"📌 {title}",
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f"📝 摘要: {summary}",
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f"🔗 閱讀全文: {link}"
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]
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lines.append("\n".join(article_lines))
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# 在新聞之間加入分隔線
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if i < len(articles) - 1:
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lines.append("-" * 15)
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return "\n\n".join(lines)
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except requests.exceptions.Timeout:
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return "❌ 新聞查詢失敗:連線超時。"
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except requests.exceptions.RequestException as e:
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return f"❌ 新聞查詢失敗:網路連線錯誤。\n錯誤訊息:{e}"
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except json.JSONDecodeError:
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return "❌ 新聞查詢失敗:無法解析伺服器回傳的資料格式。"
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except Exception as e:
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return f"❌ 新聞查詢失敗:發生未預期的錯誤。\n錯誤訊息:{e}"
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