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xiaobai-review/backend/features/review/service.py
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189 lines
7.8 KiB
Python

from __future__ import annotations
from datetime import date, datetime, timedelta
from typing import Any
from backend.bootstrap.config import normalize_date, tushare_code, validate_text
from backend.data.providers.tushare_client import TushareError
from backend.features.review.agent import ReviewAssistantError, stream_review_assistant
class ReviewServiceMixin:
def trade_entries(
self, start_date: str = "", end_date: str = "", code: str = ""
) -> dict[str, Any]:
return self.trade_journal.list_entries(
self.current_user_id, start_date, end_date, code
)
def review_watchlist(self, trade_date: str) -> dict[str, Any]:
normalized_date = normalize_date(trade_date)
items = self.database.list_watchlist(self.current_user_id)
if not items:
return {"items": [], "trade_date": normalized_date}
resolved_date = normalized_date
if self.configured:
try:
client = self._tushare_client()
resolved_date, _ = client.resolve_trade_context(normalized_date)
history = self.database.watchlist_price_history(
[str(item["code"]) for item in items], resolved_date
)
missing_codes = [
str(item["code"]) for item in items
if len(history.get(str(item["code"])) or []) < 6
]
start_date = (
datetime.strptime(resolved_date, "%Y%m%d") - timedelta(days=24)
).strftime("%Y%m%d")
for code in missing_codes:
rows = client.query(
"daily",
{
"ts_code": tushare_code(code),
"start_date": start_date,
"end_date": resolved_date,
},
"ts_code,trade_date,open,high,low,close,pct_chg,vol,amount",
)
if rows:
self.database.upsert_daily_bars(rows)
if missing_codes:
history = self.database.watchlist_price_history(
[str(item["code"]) for item in items], resolved_date
)
except (TushareError, ValueError):
history = self.database.watchlist_price_history(
[str(item["code"]) for item in items], resolved_date
)
else:
history = self.database.watchlist_price_history(
[str(item["code"]) for item in items], resolved_date
)
auction_scores: dict[str, Any] = {}
try:
auction = self.auction_center(normalized_date, False)
auction_scores = {
str(row.get("code") or ""): row.get("attention_score")
for row in (auction.get("watchlist_rows") or [])
if row.get("available", True)
}
except (TushareError, ValueError):
pass
enriched = []
for item in items:
code = str(item.get("code") or "")
bars = history.get(code) or []
latest = bars[-1] if bars else {}
close = float(latest.get("close") or 0)
base_close = float(bars[-6].get("close") or 0) if len(bars) >= 6 else 0
enriched.append(
{
**item,
"change": (
round(float(latest.get("pct_chg") or 0), 2) if latest else None
),
"return_5d": (
round((close / base_close - 1) * 100, 2)
if close > 0 and base_close > 0 else None
),
"attention_score": auction_scores.get(code),
"market_date": str(latest.get("trade_date") or ""),
}
)
return {"items": enriched, "trade_date": resolved_date}
def save_trade_entry(self, payload: dict[str, Any]) -> dict[str, Any]:
trade_id = self.trade_journal.save(self.current_user_id, payload)
return {"id": trade_id, **self.trade_entries()}
def delete_trade_entry(self, trade_id: int) -> dict[str, Any]:
deleted = self.trade_journal.delete(self.current_user_id, trade_id)
return {"deleted": deleted, **self.trade_entries()}
def assistant_messages(self) -> list[dict[str, Any]]:
return self.database.list_assistant_messages(self.current_user_id)
def clear_assistant_messages(self) -> int:
return self.database.delete_assistant_messages(self.current_user_id)
def assistant_stream(self, payload: dict[str, Any]):
question = validate_text(payload.get("question"), "问题", 2000, required=True)
trade_date = normalize_date(
str(payload.get("trade_date") or date.today().isoformat())
)
context = self._assistant_context(trade_date)
history = [
{"role": item["role"], "content": str(item["content"])[:4000]}
for item in self.assistant_messages()[-12:]
if item.get("role") in {"user", "assistant"}
]
def generate():
answer_parts: list[str] = []
events = self.llm_gateway.stream(
"assistant",
"review-assistant-v1",
lambda profile: stream_review_assistant(
context,
question,
history,
profile.api_key,
profile.base_url,
profile.model,
),
(ReviewAssistantError,),
)
for event in events:
if event.kind == "delta":
chunk = str(event.value or "")
answer_parts.append(chunk)
yield chunk
elif event.kind == "complete":
self.database.save_assistant_exchange(
self.current_user_id,
question,
"".join(answer_parts).strip(),
trade_date,
)
return generate()
def _assistant_context(self, trade_date: str) -> dict[str, Any]:
dashboard = self.get_dashboard(trade_date)
actual_date = normalize_date(
str((dashboard.get("meta") or {}).get("trade_date") or trade_date)
)
sentiment = self.sentiment_history(actual_date, 10)
tracking = self.strategy_tracking.list_tracking(self.current_user_id, 5)
alerts = self.alert_service.list_alerts(
self.current_user_id, "all", date.today().isoformat()
)
trades = self.trade_journal.list_entries(
self.current_user_id, end_date=actual_date
)
return {
"data_date": actual_date,
"market": {
"overview": dashboard.get("overview") or {},
"top_sectors": (dashboard.get("sectors") or [])[:8],
"limit_performance": dashboard.get("limit_performance") or {},
"sentiment_history": (sentiment.get("rows") or [])[-10:],
},
"personal": {
"watchlist": self.database.list_watchlist(self.current_user_id)[:30],
"review_notes": self.database.list_notes(
self.current_user_id, scope="daily"
)[:10],
"strategy_tracking": {
"summary": tracking.get("summary") or {},
"batches": (tracking.get("batches") or [])[:5],
},
"alerts": (alerts.get("items") or [])[:20],
"trade_summary": trades.get("summary") or {},
"trade_entries": (trades.get("items") or [])[:30],
},
}