dekun
50 lines
1.6 KiB
Python
50 lines
1.6 KiB
Python
"""实例数据统计:复盘 KPI + 资金曲线 API,以及后台现金采样."""
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from __future__ import annotations
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from typing import Any, Callable
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from flask import Flask, jsonify, request
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def install_instance_data_stats(app: Flask, app_module: Any) -> None:
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get_db: Callable = app_module.get_db
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login_required = app_module.login_required
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def _fetch_balances() -> dict[str, Any]:
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ex = getattr(app_module, "exchange_options", None)
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if ex is None:
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return {}
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from lib.exchange.okx_options_lib import fetch_options_balances
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return fetch_options_balances(ex, force=False) or {}
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@app.route("/api/instance/cash_curve")
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@login_required
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def api_instance_cash_curve():
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from lib.instance.instance_cash_sample_lib import (
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query_cash_series_with_db,
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sample_once,
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)
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# 打开页面时尽量补一笔最新点(失败忽略)
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try:
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sample_once(get_db, _fetch_balances)
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except Exception:
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pass
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range_key = (request.args.get("range") or "7d").strip()
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conn = get_db()
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try:
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return jsonify(query_cash_series_with_db(conn, range_key=range_key))
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except Exception as e:
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return jsonify({"ok": False, "msg": f"加载资金曲线失败: {e}"}), 500
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finally:
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conn.close()
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# 后台采样(daemon);无密钥时会空转跳过
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try:
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from lib.instance.instance_cash_sample_lib import start_cash_sample_loop
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start_cash_sample_loop(get_db, _fetch_balances)
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except Exception as e:
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print(f"[instance_cash_sample] start skipped: {e}", flush=True)
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