新闻智能跟踪系统检测到以下异常，请及时处理：
{rows}", ) send_email(subject, html) db.add_log("error", subject, len(errors), [], status="ok", detail="系统错误邮件通知") def _try_send_pending(): """按通知策略发送待通知错误（受静默时段 + 冷却频率控制）。返回发送条数。""" cfg = _errnotify_cfg() if not cfg.get("enabled") or cfg.get("mode") == "off": return 0 if _in_quiet_period(): return 0 # 静默时段不发，等待调度器在静默结束后 flush # 冷却频率：两次错误邮件最小间隔 last_sent = db.get_err_last_send() if last_sent: try: lt = datetime.strptime(last_sent, "%Y-%m-%d %H:%M:%S") cooldown = max(0, int(cfg.get("cooldown_min", 60) or 0)) if cooldown > 0 and (datetime.now() - lt).total_seconds() < cooldown * 60: return 0 # 冷却中 except Exception: pass errors = db.pending_system_errors(limit=int(cfg.get("max_items", 10) or 10)) if not errors: return 0 try: _send_error_digest(errors) except Exception: # 邮件发送失败：保留 pending，下次重试 return 0 now = datetime.now().strftime("%Y-%m-%d %H:%M:%S") db.mark_errors_notified([e["id"] for e in errors], now) db.set_err_last_send(now) return len(errors) def report_error(source, message, detail=""): """记录一条系统错误；immediate 模式下尝试立即发送（受冷却/静默控制）。""" try: db.add_system_error(source, message, detail) except Exception: return None cfg = _errnotify_cfg() if not cfg.get("enabled") or cfg.get("mode") not in ("immediate", "cooldown"): return None if cfg.get("mode") == "immediate": try: _try_send_pending() except Exception: pass return True def flush_pending_errors(): """后台调度器定时调用：把待通知错误按策略发送（冷却 + 静默控制）""" return _try_send_pending() def test_error_notify(): """发送一封测试错误邮件（无视冷却/静默，用于设置页测试按钮）""" _send_error_digest([{ "source": "测试", "message": "这是一封测试错误通知邮件", "detail": "如果你收到了这封邮件，说明系统错误邮件通知链路正常。", "count": 1, "first_seen": datetime.now().strftime("%Y-%m-%d %H:%M:%S"), "last_seen": datetime.now().strftime("%Y-%m-%d %H:%M:%S"), }]) return True def _score_color(score): if score >= 80: return "#e74c3c" if score >= 60: return "#e67e22" return "#7f8c8d" def _card(art): ents = "、".join(art.get("entities") or []) src = db.get_source(art.get("source_id") or 0) if art.get("source_id") else None custom = bool(src and src.get("kind") == "custom") badge = ('🎯 定制监控命中') if custom else "" return f"""以下 {len(articles)} 条资讯对您重点关注领域很重要，已自动甄别：
{cards}", ) send_email(subject, html) ids = [a["id"] for a in articles] for aid in ids: db.update_article(aid, notified=1) db.add_log("realtime", subject, len(articles), ids, status="ok", detail="实时通知") return len(articles) def send_daily_summary(articles, window_label): """新闻机制：每日汇总（默认每天10点）——普通源的重要/相关资讯""" if not articles: return 0 top = articles[: int(db.get_setting("max_summary_items", config.AUTO_DEFAULTS["max_summary_items"]))] cards = "".join(_card(a) for a in top) # 分领域统计 from collections import Counter dom_cnt = Counter(a.get("domain") or "未分类" for a in articles) stats = " · ".join(f"{k} {v}条" for k, v in dom_cnt.most_common(6)) subject = f"📰 AI资讯日报 {window_label} · 共{len(articles)}条 重点{len(top)}条" html = _html_wrap( "AI 重要资讯日报", f"""汇总时段：{window_label}
领域分布：{stats}
重点资讯（按综合分排序）：
{cards} """, ) send_email(subject, html) ids = [a["id"] for a in articles if a["id"]] db.add_log("summary", subject, len(articles), ids, status="ok", detail=f"汇总{len(top)}条") for aid in ids: art = db.get_article(aid) if art and art.get("status") != "summarized": db.update_article(aid, status="summarized") return len(top) def send_custom_summary(articles, window_label): """定制监控机制：独立汇总邮件——定制源在窗口内命中推送标准的资讯（单独配置/单独时间）""" if not articles: return 0 top = articles[: int(db.get_setting("custom_max_summary_items", config.CUSTOM_DEFAULTS["custom_max_summary_items"]))] cards = "".join(_card(a) for a in top) subject = f"🎯 定制监控汇总 {window_label} · 命中{len(articles)}条" html = _html_wrap( "定制监控命中汇总", f"""汇总时段：{window_label}
以下为定制监控源中达到推送标准的资讯（由大模型按各源推送标准判定）：
{cards} """, ) send_email(subject, html) ids = [a["id"] for a in articles if a["id"]] db.add_log("custom_summary", subject, len(articles), ids, status="ok", detail=f"汇总{len(top)}条") return len(top)