v1.4.0: 通知日志分页+筛选 / 仪表盘TOP10+更多链接 / 数据源走web-capture-api抓取(获取方式与参数可编辑) / 系统错误邮件通知(频率+静默时段)

notifier.py

@@ -4,6 +4,7 @@
 支持 plain / starttls / ssl 三种 SMTP 模式，发送实时重要资讯与每日汇总。
 """
 import smtplib
+from datetime import datetime
 from email.header import Header
 from email.mime.multipart import MIMEMultipart
 from email.mime.text import MIMEText
@@ -43,6 +44,130 @@ def send_email(subject, html, to=None):
     return True
 
 
+# ============ 系统错误邮件通知（频率 + 静默时段） ============
+
+def _esc(s):
+    return str(s or "").replace("&", "&amp;").replace("<", "&lt;").replace(">", "&gt;").replace('"', "&quot;")
+
+
+def _errnotify_cfg():
+    cfg = dict(config.ERRNOTIFY_DEFAULTS)
+    cfg.update(db.get_all_settings().get("errnotify", {}))
+    return cfg
+
+
+def _in_quiet_period(now=None):
+    """是否处于静默时段。支持多段、跨午夜（如 23:00-07:30）。"""
+    cfg = _errnotify_cfg()
+    if not cfg.get("quiet_enabled"):
+        return False
+    now = now or datetime.now()
+    cur_min = now.hour * 60 + now.minute
+    for p in cfg.get("quiet_periods") or []:
+        p = (p or "").strip()
+        if not p or "-" not in p:
+            continue
+        try:
+            s, e = p.split("-")
+            sh, sm = map(int, s.strip().split(":"))
+            eh, em = map(int, e.strip().split(":"))
+        except Exception:
+            continue
+        s_min, e_min = sh * 60 + sm, eh * 60 + em
+        if s_min <= e_min:
+            if s_min <= cur_min < e_min:
+                return True
+        else:  # 跨午夜
+            if cur_min >= s_min or cur_min < e_min:
+                return True
+    return False
+
+
+def _send_error_digest(errors):
+    """发送一封错误通知邮件（受调用方冷却/静默控制），并记录通知日志"""
+    rows = "".join(
+        f"<div style='border:1px solid #fecaca;border-left:4px solid #dc2626;border-radius:6px;"
+        f"padding:10px 14px;margin:8px 0;'>"
+        f"<div style='font-weight:bold;color:#b91c1c;'>{_esc(e.get('source', ''))} · 发生 {e.get('count', 1)} 次</div>"
+        f"<div style='font-size:13px;color:#374151;margin-top:2px;'>{_esc(e.get('message', ''))}</div>"
+        f"<div style='font-size:12px;color:#6b7280;'>{_esc(e.get('detail', ''))}</div>"
+        f"<div style='font-size:11px;color:#9ca3af;'>最近: {_esc(e.get('last_seen', ''))} · "
+        f"首次: {_esc(e.get('first_seen', ''))}</div></div>"
+        for e in errors
+    )
+    subject = f"⚠️ 系统异常通知 · {len(errors)} 类错误"
+    html = _html_wrap(
+        "系统运行异常提醒",
+        f"<p style='color:#374151;font-size:13px;'>新闻智能跟踪系统检测到以下异常，请及时处理：</p>{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"