增加大模型

backend/app/wecom.py

@@ -1,9 +1,11 @@
 import logging
+from typing import Any
 
 import httpx
 
 from .config import settings
 from .http_client import httpx_client_kwargs
+from .stats import compute_three_day_stats
 
 logger = logging.getLogger(__name__)
 
@@ -14,36 +16,96 @@ def _format_period_label(period_start: str, period_end: str) -> str:
     return f"{start} ~ {end}"
 
 
-def build_markdown(snapshot: dict) -> str:
-    items = snapshot.get("items", [])
-    period_label = _format_period_label(
-        snapshot.get("period_start", ""),
-        snapshot.get("period_end", ""),
-    )
-    lines = [
-        "## 币安 U本位合约 成交额 Top30",
-        f"> 统计周期（北京时间 8:00 切日）",
-        f"> **{period_label}**",
-        "",
-        "| 排名 | 合约 | 成交额(USDT) | 涨跌幅 | 资金费率 | 标记 |",
-        "| --- | --- | --- | --- | --- | --- |",
-    ]
-    for row in items:
-        tags = []
-        if row.get("is_high_volume"):
-            tags.append("千万+")
-        if row.get("is_high_change"):
-            tags.append("涨跌5%+")
-        tag_str = " ".join(tags) if tags else "-"
-        vol = row.get("quote_volume_fmt") or f"{row.get('quote_volume', 0):.0f}"
-        pct = row.get("price_change_pct_fmt") or f"{row.get('price_change_pct', 0):+.2f}%"
-        fr = row.get("funding_rate_fmt") or "-"
-        lines.append(
-            f"| {row['rank']} | {row['symbol']} | {vol} | {pct} | {fr} | {tag_str} |"
+def _day_line(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}"
+
+
+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）。"""
+    stats = compute_three_day_stats()
+    periods = stats.get("periods") or {}
+    y_meta = periods.get("yesterday") or {}
+    period_label = ""
+    if y_meta.get("ready"):
+        period_label = _format_period_label(
+            y_meta.get("period_start", ""),
+            y_meta.get("period_end", ""),
         )
-    lines.append("")
-    lines.append("> 标记说明：千万+ = 成交额≥1000万 USDT；涨跌5%+ = |涨跌幅|≥5%")
-    return "\n".join(lines)
+
+    if not stats.get("ok"):
+        md = "\n".join(
+            [
+                "## 币安 U本位 · 三日Top30交集",
+                "",
+                f"> 昨日周期 {period_label or '—'}",
+                "",
+                f"**暂无法推送**：{stats.get('message', '数据未就绪')}",
+            ]
+        )
+        return {
+            "ok": False,
+            "message": stats.get("message", ""),
+            "count": 0,
+            "period_label": period_label,
+            "markdown": md,
+            "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",
+        "",
+    ]
+
+    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,
+                "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),
+        "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"]
 
 
 async def send_wecom_markdown(content: str) -> tuple[bool, str]: