megaproxy
61a7884ee5
Full-stack self-hosted finance app with FastAPI backend and React frontend. Features: - Accounts, transactions, budgets, investments with GBP base currency - CSV import with auto-detection for 10 UK bank formats - ML predictions: spending forecast, net worth projection, Monte Carlo - 7 selectable themes (Obsidian, Arctic, Midnight, Vault, Terminal, Synthwave, Ledger) - Receipt/document attachments on transactions (JPEG, PNG, WebP, PDF) - AES-256-GCM field encryption, RS256 JWT, TOTP 2FA, RLS, audit log - Encrypted nightly backups + key rotation script - Mobile-responsive layout with bottom nav Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
74 lines
2.4 KiB
Python
74 lines
2.4 KiB
Python
import structlog
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logger = structlog.get_logger()
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PAIRS = [
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("GBP", "USD"), ("GBP", "EUR"), ("GBP", "JPY"), ("GBP", "CAD"),
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("GBP", "AUD"), ("GBP", "CHF"), ("USD", "GBP"), ("EUR", "GBP"),
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]
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async def fx_sync_job() -> None:
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from app.dependencies import get_session_factory
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session_factory = get_session_factory()
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if not session_factory:
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return
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try:
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import requests
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r = requests.get(
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"https://api.exchangerate-api.com/v4/latest/GBP",
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timeout=10,
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)
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r.raise_for_status()
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data = r.json()
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rates = data.get("rates", {})
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except Exception as exc:
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logger.error("fx_fetch_failed", error=str(exc))
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return
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from datetime import datetime, timezone
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from decimal import Decimal
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import uuid as _uuid
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from sqlalchemy import select
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from app.db.models.currency import ExchangeRate # type: ignore[attr-defined]
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async with session_factory() as db:
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try:
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now = datetime.now(timezone.utc)
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for base, quote in PAIRS:
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if base == "GBP":
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rate_val = rates.get(quote)
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else:
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gbp_to_base = rates.get(base)
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if not gbp_to_base or gbp_to_base == 0:
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continue
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rate_val = 1 / gbp_to_base
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if not rate_val:
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continue
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result = await db.execute(
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select(ExchangeRate).where(
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ExchangeRate.base_currency == base,
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ExchangeRate.quote_currency == quote,
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)
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)
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existing = result.scalar_one_or_none()
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if existing:
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existing.rate = Decimal(str(round(rate_val, 8)))
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existing.fetched_at = now
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else:
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db.add(ExchangeRate(
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id=_uuid.uuid4(),
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base_currency=base,
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quote_currency=quote,
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rate=Decimal(str(round(rate_val, 8))),
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source="exchangerate-api",
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fetched_at=now,
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))
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await db.commit()
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logger.info("fx_sync_done", pairs=len(PAIRS))
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except Exception as exc:
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await db.rollback()
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logger.error("fx_sync_db_failed", error=str(exc))
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