Files
PolyWeather/web/services/scan_api.py
T

102 lines
3.2 KiB
Python

"""Market scan API service functions."""
from __future__ import annotations
from typing import Any, Dict
from fastapi import HTTPException, Request
from fastapi.concurrency import run_in_threadpool
from web.services.market_overview_api import build_market_overview_payload
import web.routes as legacy_routes
def _boolish(value: Any) -> bool:
return str(value or "false").lower() in {"1", "true", "yes", "on"}
async def _json_body_or_empty(request: Request) -> Dict[str, Any]:
try:
body = await request.json()
except Exception:
body = {}
if not isinstance(body, dict):
raise HTTPException(status_code=400, detail="Invalid JSON body")
return body
def _extract_required_city(body: Dict[str, Any]) -> str:
city = str(body.get("city") or "").strip()
if not city:
raise HTTPException(status_code=400, detail="city is required")
return city
async def get_scan_terminal_payload(
request: Request,
*,
scan_mode: str = "tradable",
min_price: float = 0.05,
max_price: float = 0.95,
min_edge_pct: float = 2.0,
min_liquidity: float = 500.0,
high_liquidity_only: bool = False,
market_type: str = "maxtemp",
time_range: str = "today",
limit: int = 25,
force_refresh: bool = False,
region: str = "",
timezone_offset_seconds: int | None = None,
) -> Dict[str, Any]:
legacy_routes._assert_entitlement(request)
filters: Dict[str, Any] = {
"scan_mode": scan_mode,
"min_price": min_price,
"max_price": max_price,
"min_edge_pct": min_edge_pct,
"min_liquidity": min_liquidity,
"high_liquidity_only": high_liquidity_only,
"market_type": market_type,
"time_range": time_range,
"limit": limit,
}
if timezone_offset_seconds is not None:
filters["timezone_offset_seconds"] = timezone_offset_seconds
if region:
filters["trading_region"] = region
return await run_in_threadpool(
legacy_routes.build_scan_terminal_payload,
filters,
force_refresh=force_refresh,
)
async def get_scan_terminal_ai_payload(request: Request) -> Dict[str, Any]:
legacy_routes._assert_entitlement(request)
body = await _json_body_or_empty(request)
filters = body.get("filters") if isinstance(body.get("filters"), dict) else {}
snapshot_id = str(body.get("snapshot_id") or "").strip() or None
return await run_in_threadpool(
legacy_routes.build_scan_terminal_ai_payload,
filters,
snapshot_id=snapshot_id,
)
async def get_scan_terminal_overview_payload(request: Request) -> Dict[str, Any]:
try:
body = await request.json()
except Exception:
body = {}
if not isinstance(body, dict):
raise HTTPException(status_code=400, detail="Invalid JSON body")
rows = body.get("rows") if isinstance(body.get("rows"), list) else []
locale = str(body.get("locale") or "zh-CN").strip()
force_refresh = str(body.get("force_refresh") or "false").strip().lower() in {"1", "true", "yes"}
return await run_in_threadpool(
build_market_overview_payload,
rows,
locale=locale,
force_refresh=force_refresh,
)