修改企业微信推送

backend/app/main.py

@@ -16,7 +16,7 @@ from .periods import get_daybefore_period, get_today_period, get_yesterday_perio
 from .scheduler import job_finalize_yesterday, job_push_wecom, job_refresh_today, start_scheduler, startup_tasks, stop_scheduler
 from .stats import compute_three_day_stats
 from .aggregator import aggregate_period
-from .wecom import build_markdown, build_push_payload, send_wecom_markdown
+from .wecom import build_markdown, build_push_payload, send_push_payload
 from .state import get_today_cache
 
 logging.basicConfig(
@@ -111,14 +111,17 @@ async def api_push_test():
         snap = get_latest_snapshot("yesterday")
     if not snap:
         raise HTTPException(500, "无法生成昨日数据")
-    ok, msg = await send_wecom_markdown(payload["markdown"])
+    ok, msg = await send_push_payload(payload)
     log_push(snap["period_start"], snap["period_end"], ok, msg)
     if not ok:
         raise HTTPException(500, f"推送失败: {msg}")
+    parts = payload.get("parts", 1)
     return {
         "success": True,
-        "message": f"已推送 {payload.get('count', 0)} 个三日交集币种",
+        "message": f"已推送 {payload.get('count', 0)} 个币种"
+        + (f"（分 {parts} 条消息）" if parts > 1 else ""),
         "count": payload.get("count", 0),
+        "parts": parts,
     }
 
 

backend/app/scheduler.py

@@ -13,7 +13,7 @@ from .periods import get_daybefore_period, get_today_period, get_yesterday_perio
 from .state import get_today_cache, set_today_cache
 from .funding_store import prefetch_funding
 from .kline_store import prefetch_symbols
-from .wecom import build_push_payload, send_wecom_markdown
+from .wecom import build_push_payload, send_push_payload
 
 logger = logging.getLogger(__name__)
 
@@ -112,7 +112,7 @@ async def job_push_wecom() -> None:
     if not payload.get("ok"):
         logger.warning("WeCom push skipped: %s", payload.get("message"))
         return
-    ok, msg = await send_wecom_markdown(payload["markdown"])
+    ok, msg = await send_push_payload(payload)
     log_push(ps, pe, ok, msg)
     if ok:
         logger.info("WeCom push succeeded")

backend/app/wecom.py

@@ -9,6 +9,9 @@ from .stats import compute_three_day_stats
 
 logger = logging.getLogger(__name__)
 
+# 企业微信 markdown 单条上限 4096，预留余量
+WECOM_MD_MAX = 3800
+
 
 def _format_period_label(period_start: str, period_end: str) -> str:
     start = period_start[:16].replace("T", " ")
@@ -16,17 +19,64 @@ def _format_period_label(period_start: str, period_end: str) -> str:
     return f"{start} ~ {end}"
 
 
-def _day_line(label: str, row: dict | None) -> str:
+def _day_seg(label: str, row: dict | None) -> str:
     if not row or row.get("rank") is None:
-        return f"> {label}：—"
-    pct = row.get("price_change_pct_fmt") or f"{row.get('price_change_pct', 0):+.2f}%"
-    vol = row.get("quote_volume_fmt") or str(row.get("quote_volume", ""))
-    fr = row.get("funding_rate_fmt") or "—"
-    return f"> {label}：#{row['rank']} · 额 {vol} · 涨跌 {pct} · 费率 {fr}"
+        return f"{label}—"
+    pct = row.get("price_change_pct_fmt") or f"{row.get('price_change_pct', 0):+.1f}%"
+    return f"{label}#{row['rank']}{pct}"
+
+
+def _coin_line(rank: int, row: dict) -> str:
+    sym = row["symbol"]
+    y, t, b = row.get("yesterday"), row.get("today"), row.get("daybefore")
+    return (
+        f"**{rank}. {sym}** "
+        f"{_day_seg('昨', y)} {_day_seg('今', t)} {_day_seg('前', b)}"
+    )
+
+
+def _build_header(period_label: str, count: int, part: int | None = None) -> list[str]:
+    title = "## 币安 U本位 · 三日Top30交集"
+    if part and part > 1:
+        title += f"（{part}）"
+    lines = [
+        title,
+        "",
+        f"> 昨日周期 {period_label}",
+        f"> 共 **{count}** 个 · 昨/今/前 = 排名+涨跌幅",
+        "",
+    ]
+    return lines
+
+
+def _split_messages(
+    period_label: str, count: int, items: list[dict]
+) -> list[str]:
+    """按企微长度限制拆成多条 markdown。"""
+    if not items:
+        body = "\n".join(_build_header(period_label, 0) + ["**暂无交集币种**"])
+        return [body]
+
+    messages: list[str] = []
+    part = 1
+    lines = _build_header(period_label, count, part)
+    for i, row in enumerate(items, 1):
+        coin = _coin_line(i, row)
+        extra = len(coin) + 1
+        if len("\n".join(lines)) + extra > WECOM_MD_MAX and len(lines) > 5:
+            messages.append("\n".join(lines).rstrip())
+            part += 1
+            lines = _build_header(period_label, count, part)
+        lines.append(coin)
+    if part == 1:
+        lines.append("")
+        lines.append("> 仅三日均为 Top30 交集，涨跌不限")
+    messages.append("\n".join(lines).rstrip())
+    return messages
 
 
 def build_push_payload() -> dict[str, Any]:
-    """构建企微推送内容：仅三日 Top30 交集，列表排版（非表格）。"""
+    """构建企微推送：仅三日 Top30 交集，紧凑单行/币，超长自动分批。"""
     stats = compute_three_day_stats()
     periods = stats.get("periods") or {}
     y_meta = periods.get("yesterday") or {}
@@ -53,65 +103,51 @@ def build_push_payload() -> dict[str, Any]:
             "count": 0,
             "period_label": period_label,
             "markdown": md,
+            "messages": [md],
+            "parts": 1,
             "items": [],
         }
 
     items = stats.get("items") or []
-    lines = [
-        "## 币安 U本位 · 三日Top30交集",
-        "",
-        f"> **昨日周期**（北京时间 8:00 切日）",
-        f"> {period_label}",
-        f"> 连续三日成交额均为 Top{settings.top_n}，共 **{len(items)}** 个",
-        "",
-    ]
+    messages = _split_messages(period_label, len(items), items)
 
     preview_items: list[dict] = []
     for i, row in enumerate(items, 1):
-        sym = row["symbol"]
-        t, y, b = row.get("today"), row.get("yesterday"), row.get("daybefore")
-        lines.append(f"### {i}. {sym}")
-        lines.append(_day_line("昨日", y))
-        lines.append(_day_line("今日", t))
-        lines.append(_day_line("前日", b))
-        lines.append("")
         preview_items.append(
             {
                 "rank": i,
-                "symbol": sym,
-                "today": t,
-                "yesterday": y,
-                "daybefore": b,
+                "symbol": row["symbol"],
+                "today": row.get("today"),
+                "yesterday": row.get("yesterday"),
+                "daybefore": row.get("daybefore"),
                 "total_quote_volume": row.get("total_quote_volume"),
             }
         )
 
-    if not items:
-        lines.append("**暂无交集币种**（请确认今日/昨日/前日快照均已生成）")
-
-    lines.append("---")
-    lines.append("> 说明：仅推送三日均为成交额 Top30 的合约；涨跌不限")
-
     return {
         "ok": True,
         "message": stats.get("criteria", ""),
         "count": len(items),
         "period_label": period_label,
-        "markdown": "\n".join(lines),
+        "markdown": messages[0] if messages else "",
+        "messages": messages,
+        "parts": len(messages),
         "items": preview_items,
     }
 
 
 def build_markdown(snapshot: dict | None = None) -> str:
-    """兼容旧调用：返回企微 Markdown 文本（忽略 snapshot，以三日交集为准）。"""
     _ = snapshot
-    return build_push_payload()["markdown"]
+    payload = build_push_payload()
+    return payload.get("markdown") or ""
 
 
 async def send_wecom_markdown(content: str) -> tuple[bool, str]:
     url = settings.wecom_webhook_url.strip()
     if not url:
         return False, "WECOM_WEBHOOK_URL 未配置"
+    if len(content) > 4096:
+        return False, f"内容过长({len(content)}字)，请使用分批推送"
     payload = {"msgtype": "markdown", "markdown": {"content": content}}
     last_err = ""
     for attempt in range(3):
@@ -128,3 +164,20 @@ async def send_wecom_markdown(content: str) -> tuple[bool, str]:
             last_err = str(e)
             logger.warning("WeCom push attempt %d failed: %s", attempt + 1, e)
     return False, last_err
+
+
+async def send_push_payload(payload: dict) -> tuple[bool, str]:
+    """发送推送，超长时按 messages 列表逐条发送。"""
+    parts = payload.get("messages") or [payload.get("markdown", "")]
+    if not parts or not parts[0]:
+        return False, "无推送内容"
+    for i, content in enumerate(parts, 1):
+        ok, msg = await send_wecom_markdown(content)
+        if not ok:
+            suffix = f"（第 {i}/{len(parts)} 条）" if len(parts) > 1 else ""
+            return False, f"{msg}{suffix}"
+        if i < len(parts):
+            logger.info("WeCom push part %d/%d sent", i, len(parts))
+    if len(parts) > 1:
+        return True, f"已分 {len(parts)} 条发送"
+    return True, "ok"